CN206458322U - A kind of Telescopic high-pressure rotary churning pile drill bit - Google Patents
A kind of Telescopic high-pressure rotary churning pile drill bit Download PDFInfo
- Publication number
- CN206458322U CN206458322U CN201720108929.5U CN201720108929U CN206458322U CN 206458322 U CN206458322 U CN 206458322U CN 201720108929 U CN201720108929 U CN 201720108929U CN 206458322 U CN206458322 U CN 206458322U
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- China
- Prior art keywords
- bit body
- leaf
- fixed block
- drill bit
- pressure rotary
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Abstract
The utility model discloses a kind of Telescopic high-pressure rotary churning pile drill bit, solve existing drilling bit and use the less problem of scope, its drip irrigation device is a kind of Telescopic high-pressure rotary churning pile drill bit, including bit body, offered in the bit body along its axis direction into stock tank, radially direction is offered with entering the gunniting hole that stock tank is connected the bit body, fixed block is fixedly connected with the outer wall of the bit body, the brill leaf for preventing stake holes from reducing is fixedly connected with the fixed block, the radial direction sliding that leaf is bored along bit body is connected on fixed block.The brill leaf slid by left and right so that boring the distance between the outermost end of leaf and the axle center of bit body can constantly change, and drill bit can prevent different radii stake holes from reducing, and increase the use scope of drill bit.
Description
Technical field
The utility model is related to building field, more specifically, it relates to a kind of Telescopic high-pressure rotary churning pile drill bit.
Background technology
High-pressure rotary jet grouting pile is to bore rotary jet grouting pipe and shower nozzle using rig to be placed in a bottom design altitude, will be prepared in advance
Slurries by high-voltage generator make liquid stream obtain huge energy after, ejected from the nozzle high speed of slip casting tube edge, shape
The liquid stream concentrated into one energy height, is directly destroyed in the soil body, course of injection, and drilling rod is lifted in rotation, makes slurries and soil
Body is thoroughly mixed, and the column induration of certain diameter is formed in soil, so that ground is reinforced.Typically divide in construction
For two workflows, i.e., first drill, it is lower again after pore-forming to bore injection, it is then lifted out rotation.When drill bit is jet grouting pile construction
Critical component, its one side can go deep into stratum and be crept into, on the other hand can spray slurries.
At present, Publication No. CN2818549U Chinese patent discloses a kind of Telescopic high-pressure rotary churning pile drill bit, including
There are bit body, gunniting hole, provided with two symmetrical brill leaves on the bit body above gunniting hole, bore the upper and lower surface and water of leaf
Plane has angle, and the distance bored between leaf two ends matches with stake footpath.The brill leaf being fixedly connected on drill bit is merely able to be applied to
In the stake holes of fixed size, when needing to get out the larger or smaller stake holes of radius, it is merely able to be replaced with and is bored with different length
The drill bit of leaf, the use scope of above-mentioned drill bit is smaller.
Utility model content
In view of the deficienciess of the prior art, the utility model is to provide a kind of Telescopic high-pressure rotary churning pile drill bit, lead to
Cross the brill leaf of left and right sliding so that boring the distance between the outermost end of leaf and the axle center of bit body can constantly change, drill bit energy
Enough prevent different radii stake holes from reducing, increase the use scope of drill bit.
To achieve the above object, the utility model provides following technical scheme：A kind of Telescopic high-pressure rotary churning pile drill bit,
Including bit body, offered in the bit body along its axis direction into stock tank, radially direction is offered the bit body
It is fixedly connected with entering to be fixedly connected with the gunniting hole that stock tank is connected, the outer wall of the bit body on fixed block, the fixed block
There is the brill leaf for preventing stake holes from reducing, radial direction sliding of the brill leaf along bit body is connected on fixed block.
By using above-mentioned technical proposal, left and right sliding drilling leaf, the spacing bored between leaf and bit body can constantly change,
When the stake holes for needing to get out different radii, left and right sliding drilling leaf bores the distance between the outermost end of leaf and the axle center of bit body
The radius of stake holes is opened up needed for being slightly less than, drill bit drills downwards, boring leaf energy outer end can prevent stake holes from reducing, and drill bit can be applicable
In the use scope in the stake holes of different radii, increasing drill bit.
The utility model is further arranged to：The brill leaf is fixedly connected with threaded rod close to the side of bit body, described
Side of the fixed block away from bit body offers the first screwed hole, and the threaded rod is connected to close to the threaded one end of bit body
In one screwed hole.
By using above-mentioned technical proposal, boring leaf can be fixedly connected on fixed block by threaded rod, directly rotated and bored
Leaf is that can be achieved to bore the left and right sliding of leaf, realizes the change of spacing between the outermost end for boring leaf and bit body axle center, facilitates
The left and right sliding of leaf is bored, stability when boring leaf sliding is also increased.
The utility model is further arranged to：The brill leaf offers the second screwed hole close to the side of bit body, described
Threaded one end of the threaded rod away from bit body is connected in the second screwed hole.
By using above-mentioned technical proposal, threaded rod is fixed on after the first screwed hole, it is adjusting drilling leaf to rotate and bore leaf
Angle, the angle of leaf and slurries is bored when facilitating regulation bit.
The utility model is further arranged to：The hand of spiral of first screwed hole and the second screwed hole is on the contrary, first
Screwed hole is identical with the second screw thread hole length, and the hand of spiral at the threaded rod two ends is opposite.
By using above-mentioned technical proposal, when the threaded rod two ends being threaded in the first screwed hole and the second screwed hole
When hand of spiral is opposite, threaded rod is directly rotated, you can realize the change for boring spacing between leaf outer end and bit body axle center, reduce
The operating process of leaf is bored in regulation, facilitates the operation of operator.
The utility model is further arranged to：The one end of the fixed block away from bit body is fixedly connected with gag lever post, institute
State and bore leaf spacing hole for gag lever post clamping is offered close to the side of bit body.
By using above-mentioned technical proposal, it is that can be achieved to bore the left and right sliding of leaf to rotate threaded rod, add fixed block with
Bore the constraint between leaf so that bore leaf and be difficult to rotate, reduce and bore the possibility that leaf is rotated, reduce drill bit in rotation process,
Boring leaf rotation drives threaded rod to rotate so that boring the possibility that leaf departs from, and adds the stability for boring leaf.
The utility model is further arranged to：Side of the fixed block away from bit body offers sliding groove, the brill
Leaf is slidably connected in sliding groove along the radial direction of bit body.
By using above-mentioned technical proposal, boring leaf can slide left and right in sliding groove, reduce brill leaf and slide hour offset
Possibility, add bore leaf stability.
The utility model is further arranged to：The fixed block is fixedly connected with leaf is bored by screw bolt and nut, described solid
Determine to offer on block is used for the fixing hole that bolt is passed through through fixed block, and the brill leaf is close to one end of fixed block along bit body
Several the 3rd screwed holes are offered in the radial direction, and the bolt thread is connected in the 3rd screwed hole.
By using above-mentioned technical proposal, leaf can will be bored by screw thread and be fixedly connected on fixed block, bolt is unclamped, will
Fixing hole is alignd with diverse location fixing hole, then bolt is worn, and is fixed on by nut on bolt, and fixation can be fixed on by boring leaf
The diverse location of block.
The utility model is further arranged to：The fixing hole is waist-shaped hole, radial direction of the bolt along bit body
Sliding is connected in fixing hole.
By using above-mentioned technical proposal, bolt is fixedly connected on the diverse location of fixing hole, i.e., by left and right sliding bolt
Spacing between outer end and bit body axle center that can be to boring leaf is finely adjusted, and adds the accuracy of drill bit adjusting position.
The utility model is further arranged to：Spacing is equal between several the 3rd screwed holes, and the fixing hole is along drill bit
The length of body in the radial direction is more than the spacing between two neighboring 3rd screwed hole.
By using above-mentioned technical proposal so that there can be the 3rd screwed hole in fixing hole all the time, leaf outer end is bored with boring
The distance between head body axle center can be jumpily adjusted to maximum from most lower value nothing.
The utility model is further arranged to：The upper and lower surface for boring leaf favours horizontal plane.
By using above-mentioned technical proposal, the brill leaf being obliquely installed enables bit body to be driven in rotation under slurries
Drop, slurries can impact to the lower end of stake holes, add the drilling efficiency of bit body.
In summary, the utility model has the advantages that：Left and right sliding brills leaf cause bore leaf outermost end and
The distance between axle center of bit body can constantly change, and drill bit can prevent different radii stake holes from reducing, and increase drill bit
Use scope.
Brief description of the drawings
Fig. 1 is the stereogram of embodiment one；
Fig. 2 is explosive view of the fixed block with boring leaf in embodiment one；
Fig. 3 is the stereogram of brill leaf in embodiment one；
Fig. 4 is the stereogram of embodiment two；
Fig. 5 is explosive view of the fixed block with boring leaf in embodiment two.
Reference：1st, bit body；2nd, stock tank is entered；3rd, gunniting hole；4th, fixed block；5th, gag lever post；6th, the first screwed hole；7、
Bore leaf；8th, the second screwed hole；9th, spacing hole；10th, threaded rod；11st, sliding groove；12nd, fixing hole；13rd, the 3rd screwed hole；14th, spiral shell
Bolt；15th, nut；16th, pad.
Embodiment
The utility model is described further referring to figs. 1 to Fig. 5.
Embodiment one：As shown in Figure 1 to Figure 3, a kind of Telescopic high-pressure rotary churning pile drill bit, including bit body 1, bit body 1
Sophisticated direction, offer in bit body 1 into stock tank 2, the lower end of bit body 1 offers gunniting hole 3, three gunniting holes 3 are along brill
The axle center of head body 1 is evenly distributed on the lower end of bit body 1；Its axle center of the upper end edge of bit body 1 is uniformly fixedly connected with three admittedly
Determine block 4, three fixed blocks 4 favour horizontal plane, and the angle of inclination of fixed block 4 is preferably 15 °, and each fixed block 4 is respectively positioned on two
Between individual gunniting hole 3；The outside left and right ends of fixed block 4 have been fixedly connected with a gag lever post 5, the middle part in the outside of fixed block 4
The first screwed hole 6 is offered, the outer end of fixed block 4 is provided with the brill leaf 7 parallel to fixed block 4, bore section and the fixed block of leaf 7
4 cross-sectional sizes are identical, and the left and right ends for boring the inner side of leaf 7 offer the spacing hole 9 coordinated with gag lever post 5, gag lever post 5 can before
Sliding is connected in spacing hole 9 afterwards, and the middle part for boring the inner side of leaf 7 is fixedly connected with the second screwed hole 8, the length of the second screwed hole 8
Identical with the length of the first screwed hole 6, the hand of spiral of the second screwed hole 8 and the first screwed hole 6 is on the contrary, bore leaf 7 and fixed block 4
It can be connected by threaded rod 10, the hand of spiral at the two ends of threaded rod 10 is on the contrary, the inner of threaded rod 10 can be threaded in
In first screwed hole 6, the outer end of threaded rod 10 can be threaded in into the second screwed hole 8.
Operation principle：Leaf 7 will be bored to align with fixed block 4, i.e., spacing hole 9 is alignd with gag lever post 5, then threaded rod 10 is placed
Boring between leaf 7 and fixed block 4, rotating threaded rod 10, boring leaf 7 can be to one end sliding close to the axle center of bit body 1 until supporting
It is connected on fixed block 4, gag lever post 5 can slide along inside and outside the length direction of spacing hole 9, rotates threaded rod 10 and can be achieved to bore leaf
The change of distance between 7 outermost ends and the axle center of bit body 1.
Embodiment two：Embodiment two is that fixed block 4 is different with the fixed form for boring leaf 7 from embodiment one.
As shown in Figure 4 and Figure 5, radial direction of the outside of fixed block 4 along bit body 1 offers sliding groove 11, bores the energy of leaf 7
Enough to be connected to along the length direction sliding of sliding groove 11 in sliding groove 11, the both sides up and down of the outer end of fixed block 4 offer one
Fixing hole 12, fixing hole 12 is waist-shaped hole, and length in the radial direction of the fixing hole 12 along bit body 1 is more than adjacent 3rd spiral shell
Spacing between pit 13, bores the 3rd screwed hole 13 for offering several on leaf 7 along along its thickness direction through brill leaf 7, the
Radial direction of three screwed holes 13 along bit body 1 is evenly spaced on brill leaf 7, and screw thread can be passed through on fixed block 4 from upper end
Two screwed holes 13 of fixing hole 12 and the 3rd, lower end is fixed by nut 15, and two pads 16, one are also arranged with bolt 14
Pad 16 is connected to the upside of fixed block 4, and another pad 16 can be connected between the downside of nut 15 and fixed block 4.
Operation principle：Bolt 14, inside and outside sliding drilling leaf 7 are removed, then bolt 14 is passed through into the screwed hole of fixing hole 12 and the 3rd
13 can will bore leaf 7 fixes with fixed block 4 so that the outermost end and the axle center of bit body 1 for boring leaf 7 can change.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. opened up in a kind of Telescopic high-pressure rotary churning pile drill bit, including bit body (1), the bit body (1) along its axis direction
Have into stock tank (2), radially direction is offered with entering the gunniting hole (3) that stock tank (2) is connected, its feature the bit body (1)
It is：It is fixedly connected with fixed block (4), the fixed block (4) and is fixedly connected with for preventing on the outer wall of the bit body (1)
The brill leaf (7) that only stake holes reduces, the radial direction sliding for boring leaf (7) along bit body (1) is connected on fixed block (4).
2. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 1, it is characterised in that：The brill leaf (7) is close
The side of bit body (1) is fixedly connected with threaded rod (10), and side of the fixed block (4) away from bit body (1) offers the
One screwed hole (6), the threaded rod (10) is connected in the first screwed hole (6) close to the threaded one end of bit body (1).
3. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 2, it is characterised in that：The brill leaf (7) is close
The side of bit body (1) offers the second screwed hole (8), and threaded one end of the threaded rod (10) away from bit body (1) is connected
In the second screwed hole (8).
4. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 3, it is characterised in that：First screwed hole
(6) with the hand of spiral of the second screwed hole (8) on the contrary, the first screwed hole (6) is identical with the second screwed hole (8) length, the spiral shell
The hand of spiral at rasp bar (10) two ends is opposite.
5. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 2, it is characterised in that：The fixed block (4) is remote
One end from bit body (1) is fixedly connected with gag lever post (5), and the side for boring the close bit body (1) of leaf (7), which is offered, to be used for
The spacing hole (9) of gag lever post (5) clamping.
6. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 1, it is characterised in that：The fixed block (4) is remote
Side from bit body (1) offers sliding groove (11), and the radial direction for boring leaf (7) along bit body (1) is slidably connected at
In sliding groove (11).
7. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 6, it is characterised in that：The fixed block (4) and
Bore leaf (7) to be fixedly connected with nut (15) by bolt (14), offer on the fixed block (4) is used for through fixed block (4)
The fixing hole (12) that bolt (14) is passed through, the radial direction for boring leaf (7) close to one end of fixed block (4) along bit body (1)
On offer several the 3rd screwed holes (13), the bolt (14) is threaded in the 3rd screwed hole (13).
8. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 7, it is characterised in that：The fixing hole (12) is
Waist-shaped hole, radial direction sliding of the bolt (14) along bit body (1) is connected in fixing hole (12).
9. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 8, it is characterised in that：Several the 3rd screwed holes
(13) spacing is equal between, and the fixing hole (12) is more than two neighboring 3rd spiral shell along the length of bit body (1) in the radial direction
Spacing between pit (13).
10. a kind of Telescopic high-pressure rotary churning pile drill bit according to claim 2 or 6, it is characterised in that：The brill leaf (7)
Upper and lower surface favour horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720108929.5U CN206458322U (en) | 2017-02-05 | 2017-02-05 | A kind of Telescopic high-pressure rotary churning pile drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720108929.5U CN206458322U (en) | 2017-02-05 | 2017-02-05 | A kind of Telescopic high-pressure rotary churning pile drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458322U true CN206458322U (en) | 2017-09-01 |
Family
ID=59693507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720108929.5U Expired - Fee Related CN206458322U (en) | 2017-02-05 | 2017-02-05 | A kind of Telescopic high-pressure rotary churning pile drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530433A (en) * | 2021-07-17 | 2021-10-22 | 无锡市政建设集团有限公司 | Triaxial reducing stirring drill rod |
| CN113832974A (en) * | 2021-10-20 | 2021-12-24 | 中建市政工程有限公司 | Cement mixing pile construction equipment |
-
2017
- 2017-02-05 CN CN201720108929.5U patent/CN206458322U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530433A (en) * | 2021-07-17 | 2021-10-22 | 无锡市政建设集团有限公司 | Triaxial reducing stirring drill rod |
| CN113530433B (en) * | 2021-07-17 | 2024-02-20 | 无锡市政建设集团有限公司 | Triaxial reducing stirring drill rod |
| CN113832974A (en) * | 2021-10-20 | 2021-12-24 | 中建市政工程有限公司 | Cement mixing pile construction equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20210205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |