CN211549592U

CN211549592U - Convenient anchor rope ground anchor is with tub drill bit

Info

Publication number: CN211549592U
Application number: CN201922331258.0U
Authority: CN
Inventors: 陆富章; 陆云庭; 魏韶伟
Original assignee: Guangzhou Henggao Machinery Technology Co ltd
Current assignee: Guangzhou Henggao Machinery Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-22
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to a drill bit, more specifically say, it relates to a convenient anchor rope ground anchor heel tube drill bit, and its technical scheme main points are: one end of the cross rod is hinged in the first groove, and the second groove falls into the rotating track of the cross rod; and the pressing part is arranged in the second groove and used for clamping the cross rod in the second groove, and the pressing force direction of the pressing part is positioned in the cross section of the drill bit main body. Has the advantages that: firstly, the operation is convenient, the drill bit can be pulled out after the drilling process is finished by directly grouting, and the drilled hole is prevented from collapsing in the hole. And secondly, a cross rod is arranged along the diameter direction of the drill bit main body, and cutters are arranged on the cross rod and the drill bit main body, so that the drilling efficiency is improved, and the cost is reduced. Thirdly, when one end of the cross rod is clamped in the second groove, the cross rod can be used as a cutter; when the steel cord is required to be lowered and grouting is required, in order to provide an inner cavity for convenient grouting, the cross rod can be pushed outside to enable the cross rod to be in a vertical state.

Description

Convenient anchor rope ground anchor is with tub drill bit

Technical Field

The utility model relates to a drill bit, more specifically say, it relates to a convenient anchor rope ground anchor heel tube drill bit.

Background

Slope protection is an effective means for limiting weathering spalling or damage of slope rock and soil mass and dangerous rock collapse. The stability of reinforcing the side slope by drilling holes in the side slope and adding concrete is an important means in the existing side slope protection means.

The existing drilling mode is that the drilling tool is pulled out of a hole after the drilling tool drills the hole, then the assembled steel strand falls to be fixed in the hole, and then grouting is carried out, because soil layers of a side slope often contain a large amount of pebbles and broken stones, the hole is easy to collapse, the drilled hole can be continuously filled with the pebbles and the broken stones, the grouting space in the hole is reduced, grouting in the hole is insufficient, and the effect of drilling, grouting and stabilizing the side slope cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a convenient anchor rope ground anchor is with tub drill bit has the advantage that can once bore slip casting.

The above technical purpose of the utility model is that can realize through following technical scheme, a convenient anchor rope ground anchor is followed tub drill bit includes: the cutting tool is arranged on the rod body of the cross rod;

the drill bit comprises a drill bit body, a first groove and a second groove are arranged on the upper side surface of the drill bit body; one end of the cross rod is hinged in the first groove, and the other end of the cross rod can be placed in the second groove;

the pressing part is arranged in the second groove and used for clamping the cross rod in the second groove, and the pressing direction of the pressing part is parallel to the cross section of the drill bit main body.

Optionally, the cross bar is a rectangular cross bar, the first groove and the second groove are shaped like a Chinese character 'ao', and the cross section of the cross bar is matched with the shapes of the first groove and the second groove.

Optionally, a line connecting the first groove and the second groove is in a cross-sectional diameter of the bit body.

Optionally, the upper side of the drill bit body is provided with a cutter.

Optionally, the folding rack further comprises a shaft pin, two ends of the shaft pin are respectively fixed in two inner side surfaces of the first groove, and the cross bar is hinged to the first groove through the shaft pin.

Optionally, the drill bit main body further includes a first through hole and a second through hole, and the first through hole and the second through hole are respectively formed in two inner side surfaces of the second groove;

the pressing portion comprises two pressing screws, two positioning ejector blocks and two compression springs, one pressing screw, one positioning ejector block and one compression spring are respectively arranged in the first through hole and the second through hole, the pressing screws are fixedly arranged in the first through hole and the second through hole, the pressing screws in the first through hole and the second through hole are in transmission connection with the positioning ejector blocks through the compression springs, and the first through hole and the positioning ejector blocks in the second through hole are opposite to each other.

Optionally, the outer wall of the bit body is provided with a thread.

Optionally, the positioning device further comprises a hemispherical top, one end of each of the two positioning top blocks close to the cross bar is provided with a top, and the positioning top is connected to the bottom surface of the hemispherical top; the diameter of the opening at the junction of the first through hole and the second groove is smaller than the maximum diameter of the annular top piece; the diameter of the opening at the junction of the second through hole and the second groove is smaller than the maximum diameter of the roof-top.

To sum up, the utility model discloses following beneficial effect has:

firstly, the operation is convenient, the drill bit can be pulled out after the drilling process is finished by directly grouting, and the drilled hole is prevented from collapsing in the hole.

And secondly, a cross rod is arranged along the diameter direction of the drill bit main body, and cutters are arranged on the cross rod and the drill bit main body, so that the drilling efficiency is improved, and the cost is reduced.

Thirdly, when one end of the cross rod is clamped in the second groove, the cross rod can be used as a cutter; when the steel cord is required to be lowered and grouting is required, in order to provide an inner cavity for convenient grouting, the cross rod can be pushed outside to enable the cross rod to be in a vertical state.

Drawings

FIG. 1 is a schematic view of a portable anchor cable ground anchor casing bit according to the present embodiment;

FIG. 2 is a schematic structural view of a drill bit body according to the present embodiment;

FIG. 3 is a schematic structural diagram of a second groove in the present embodiment;

FIG. 4 is a side view of a portable anchor rope ground anchor heel tube drill bit;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a top view of a portable anchor rope ground anchor heel tube drill bit;

FIG. 7 is a cross-sectional view taken along plane C-C of FIG. 6;

fig. 8 is a schematic structural view of the pressing portion.

In the figure: 1. a cross bar; 2. a cutter; 3. a drill bit body; 301. a first groove; 302. a second groove; 3021. a first through hole; 3022, mixing the components together; a second through hole; 4. a pressing part; 401. a compression screw; 402. positioning a top block; 403. a compression spring; 5. a shaft pin; 6. a top-mounted member.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

For convenience of description, spatially relative terms, such as "left", "right", "upper", "lower", and the like, may be used herein to describe spatial positional relationships as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The utility model provides a convenient anchor rope ground anchor is with tub drill bit, as shown in fig. 1, including cylindric drill bit main part 3, the inner wall of drill bit main part 3 is provided with the screw thread, makes rig and ordinary casing threaded connection earlier, the sleeve pipe again with 3 screw-thread fit fixed connection of drill bit main part. And the upper side of the drill body 3 is provided with several cutters 2, wherein the cutters 2 may be selected according to the actual application environment. Wherein drill bit main part 3 sets up to the cylindric, makes 3 middle fretworks of drill bit main part can, and the fretwork portion is for being used for the reservation station of slip casting.

In some embodiments, adopt the convenient anchor rope ground anchor heel pipe drill bit of this application to be applied to in the side slope protection, because contain cobble and rubble head etc. in the side slope soil layer, the hot pressing composite sheet material of alloy and carborundum is adopted to the 3 materials of drill bit main part of this application.

As shown in fig. 2, the drill body 3 includes a first groove 301 and a second groove 302 disposed on the upper side of the drill body 3, the first groove 301 and the second groove 302 are both shaped like a Chinese character 'ao', and a connecting line of the first groove 301 and the second groove 302 is located on the diameter of the drill body 3, and the first groove 301 and the second groove 302 are both installation stations of the subsequent cross rod 1.

The utility model provides a convenient anchor rope ground anchor is with tub drill bit still includes horizontal pole 1 and pivot 5, and horizontal pole 1 sets up to the cuboid form, the length of horizontal pole 1 and the diameter looks adaptation of drill bit main part 3. Two ends of the shaft pin 5 are respectively fixed in two inner side surfaces of the first groove 301, the cross bar 1 is hinged with the first groove 301 through the shaft pin 5, and the other end of the cross bar 1 is arranged in the second groove 302. The cross section shape of the cross bar 1 is matched with the shape of the first groove 301, and the cross bar 1 plays a role in digging in the working process, so that the cross bar 1 can be subjected to external force perpendicular to the cross bar 1, and when the cross bar 1 is clamped in the first groove 301 and the second groove 302, the cross section shape of the cross bar 1 is matched with the shape of the first groove 301, so that the left side surface and the right side surface of the first groove 301 can limit the cross bar 1.

In some embodiments, the bit body 3 further includes a first through hole 3021, a second through hole 3022, and a compression part 4, the compression part 4 is disposed in the second recess 302, the first through hole 3021 and the second through hole 3022 are disposed on left and right sides of the second recess 302, and the first through hole 3021 and the second through hole 3022 are disposed perpendicular to sides of the second recess 302. The pressing part 4 comprises two pressing screws 401, two positioning top blocks 402 and two compression springs 403, one pressing screw 401, one positioning top block 402 and one compression spring 403 are respectively arranged in a first through hole 3021 and a second through hole 3022, the pressing screws 401 are fixedly arranged in the first through hole 3021 and the second through hole 3022, the pressing screws 401 in the first through hole 3021 and the second through hole 3022 are in transmission connection with the positioning top blocks 402 through the compression springs 403, the first through hole 3021 and the positioning top blocks 402 in the second through hole 3022 are arranged oppositely, so that the positioning top blocks 402 in the first through hole 3021 and the second through hole 3022 are both subjected to the resilience force of the compression springs 403 in the respective through holes, and the resilience forces of the two positioning top blocks 402 are opposite and opposite, so that the left side and the right side of the cross bar 1 in the second groove 302 are pressed by the two positioning top blocks 402. However, the transverse rod 1 is pressed in the left-right direction, and does not receive pressing force in the up-down direction, so that an operator can push the transverse rod 1 outwards along the inner cavity of the drill bit body 3, and the transverse rod 1 is separated from the limit of the positioning top block 402 in the second groove 302.

In some embodiments, the portable anchor cable ground anchor heel tube drill bit of the present application further includes a hemispherical top-piece 6, one end of each of the two positioning top-pieces 402 close to the cross rod 1 is provided with one top-piece 6, and the positioning top-pieces 402 are connected to the bottom surface of the hemispherical top-piece 6, the positioning top-pieces 402 and the screw bodies of the compression screws 401 are both located inside the compression springs 403, and the two ends of the compression springs 403 are supported on the nail heads of the compression screws 401 and the bottom surface of the hemispherical top-piece 6, so that the top-piece 6 is constantly under the elastic force of the compression screws.

In some embodiments, the diameter of the opening at the junction of the first through hole 3021 and the second recess 302 is smaller, the diameter of the opening at the junction of the second through hole 3022 and the second recess 302 is smaller, and the two diameters are smaller than the maximum diameter of the spherical head part 6, so that the spherical part of the semi-sphere of the head part 6 can partially protrude out of the first through hole 3021 or the second through hole 3022, but cannot fully protrude out of the first through hole 3021 and the second through hole 3022. When the cross bar 1 is dropped into the second recess 302, it is pressed by the top-piece 6 on the left and right sides in the second recess 302, and when the cross bar 1 is out of the second recess 302, the top-piece 6 is limited by the first through hole 3021 and the second through hole 3022, and cannot completely protrude from the first through hole 3021 and the second through hole 3022. And the overhead-parts 6 are arranged to be semi-spherical, when the cross bar 1 needs to be pressed into the second recess 302, because the overhead-parts 6 are semi-spherical, the cross bar 1 will give a pushing force to the semi-spherical overhead-parts 6 towards the first through hole 3021 or the second through hole 3022, so that the overhead-parts 6 are partially pushed back to the first through hole 3021 or the second through hole 3022, and the cross bar 1 falls into the second recess 302 to obtain the clamping of the two overhead-parts 6 again.

The cross rod 1 comprises a cutter 2 arranged on the rod body of the cross rod 1, the cutter 2 is arranged on the left side surface and the right side surface of the cross rod 1, and pebbles, crushed stones and soil in the range of the inner cavity of the drill bit main body 3 can be crushed by the arrangement of the cross rod 1. When the drill bit body 3 rotates, the cutter 2 on the drill bit body 3 and the cutter 2 on the cross rod 1 can both play a role of drilling.

The working process is as follows: with the convenient anchor rope ground anchor of this application on being connected to the sleeve pipe with a tub drill bit, sheathed tube length is according to actual drilling depth design, and sheathed tube one end is connected in the rig, and the sheathed tube other end is connected in the anchor drill bit down of this application, and the rig drives convenient anchor rope ground anchor with a tub drill bit and rotates to require drilling according to implementing, cutter 2 and the cutter 2 of the 1 left and right sides face of horizontal pole of drilling in-process drill bit main part 3 top surface all play and dig the effect to earth. The sleeve pipe sinks to the certain degree of depth in ground after the drilling is accomplished, promote the take the altitude with the sleeve pipe, the sleeve pipe drives convenient anchor rope ground anchor and follows the same height that the pipe drill bit rises, outside personnel insert the intraductal horizontal pole 1 that promotes of sleeve pipe from the subsurface, make horizontal pole 1 break away from second recess 302, horizontal pole 1 receives self action of gravity and rotates around pivot 5 and falls to vertical state, then fix the steel strand wires in downthehole for the supported hole effect, then toward intraductal slip casting of cover, extract sleeve pipe and drilling tool after the slip casting is accomplished can.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a convenient anchor rope ground anchor is with tub drill bit which characterized in that includes: the cutting tool is arranged on the rod body of the cross rod;

2. The portable anchor rope ground anchor pipe-following drill bit of claim 1, wherein: the cross bar is a cuboid cross bar, the first groove and the second groove are concave, and the cross section of the cross bar is matched with the shapes of the first groove and the second groove.

3. The portable anchor rope ground anchor pipe-following drill bit of claim 1, wherein: a line connecting the first groove and the second groove is in a cross-sectional diameter of the bit body.

4. The portable anchor rope ground anchor pipe-following drill bit of claim 1, wherein: the upper side surface of the drill bit main body is provided with a cutter.

5. The portable anchor rope ground anchor pipe-following drill bit of claim 1, wherein: the two ends of the shaft pin are respectively fixed in the two inner side surfaces of the first groove, and the cross bar is hinged with the first groove through the shaft pin.

6. The portable anchor rope ground anchor pipe-following drill bit of claim 1, wherein: the drill bit main body further comprises a first through hole and a second through hole, and the first through hole and the second through hole are respectively formed in two inner side surfaces of the second groove;

7. The portable anchor rope ground anchor pipe-following drill bit of claim 1, wherein: the inner wall or the outer wall of the drill bit main body is provided with threads.

8. The portable anchor rope ground anchor heel tube drill bit of claim 6, wherein: the positioning top block is connected to the bottom surface of the semi-spherical top piece; the opening diameter of the joint of the first through hole and the second groove is smaller than the maximum diameter of the top piece; the diameter of the opening at the junction of the second through hole and the second groove is smaller than the maximum diameter of the overhead piece.