CN217580107U - Telescopic cement mixing pile drill bit capable of adjusting mixing diameter - Google Patents
Telescopic cement mixing pile drill bit capable of adjusting mixing diameter Download PDFInfo
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- CN217580107U CN217580107U CN202221027374.9U CN202221027374U CN217580107U CN 217580107 U CN217580107 U CN 217580107U CN 202221027374 U CN202221027374 U CN 202221027374U CN 217580107 U CN217580107 U CN 217580107U
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Abstract
The utility model discloses a telescopic cement mixing pile drill bit with adjustable mixing diameter, which belongs to the field of cement mixing piles and comprises a drill rod, wherein the end head of the upper part of the drill rod is provided with a drill bit connecting piece, two groups of horizontal mixing rods are arranged on the drill rod, a mounting groove and a first mounting hole are arranged on each horizontal mixing rod, a telescopic rod is arranged in the mounting groove, a second mounting hole is arranged on each telescopic rod, the first mounting hole and the second mounting hole are both provided with a plurality of groups, and a bolt connection is suitable for mounting between the first mounting hole and the second mounting hole; the horizontal stirring rod and the telescopic rod are both provided with vertical mixing pieces, the drill rod is provided with a cement slurry outlet hole, and the bottom of the drill rod is provided with a stirring rod tip; the drill connecting piece is suitable for being connected with a cement mixing pile machine, and the two groups of horizontal mixing rods are in a cross shape and are distributed in a vertically staggered 45-degree included angle mode. The utility model provides a diameter adjustment of well drill bit stirring wastes time and energy in the prior art, leads to stirring the technical problem of inefficiency.
Description
Technical Field
The utility model belongs to cement mixing pile field, concretely relates to telescopic cement mixing pile drill bit of adjustable stirring diameter.
Background
The cement mixing pile is widely applied to foundation pit supporting engineering at present, because the cement mixing pile diameters of complicated and changeable different positions of geology are often different, the cement mixing pile condition of multiple diameters exists in a common engineering, most mixing pile machine drill bits adopt on-site welding to adjust the drill bit diameter at present, time and labor are consumed, and meanwhile, the mixing drill bit is unqualified in shape, so that the mixing is uneven easily caused, and the pile forming quality cannot be guaranteed.
Disclosure of Invention
In order to solve the problem that the stirring efficiency is low due to the fact that the diameter of the drill stirring is adjusted in the prior art, time and labor are wasted. The inventor obtains the technical scheme of the utility model through practice and summary, the utility model discloses a telescopic cement mixing pile drill bit with adjustable mixing diameter, which comprises a drill rod, wherein the end head of the upper part of the drill rod is provided with a drill bit connecting piece, the drill rod is provided with two groups of horizontal mixing rods, the horizontal mixing rods are provided with mounting grooves and first mounting holes, telescopic rods are arranged in the mounting grooves, the telescopic rods are provided with second mounting holes, the first mounting holes and the second mounting holes are both provided with multiple groups, and the first mounting holes and the second mounting holes are suitable for mounting bolt connection; the horizontal stirring rod and the telescopic rod are both provided with vertical mixing pieces, the drill rod is provided with a cement slurry outlet hole, and the bottom of the drill rod is provided with a stirring rod tip;
the drill bit connecting piece is suitable for being connected with a cement mixing pile machine, and the horizontal mixing rods are crossed and distributed at 45-degree included angles in an up-and-down staggered mode.
Furthermore, the cement grout outlet is located the middle lower part of drilling rod and is provided with 2 groups of symmetry, the aperture of cement grout outlet is 20mm.
Furthermore, the horizontal stirring rod is arc-surface relative to the drill rod and is welded with the surface of the drill rod, the vertical mixing pieces at two ends of the horizontal stirring rod are positioned on different side surfaces, and the vertical mixing pieces on the telescopic rod are positioned at one end of the telescopic rod far away from the horizontal stirring rod.
Furthermore, first mounting hole and second mounting hole all are provided with 4 groups, and the aperture diameter is 22mm, and the interval between the adjacent second mounting hole is 100mm, and the interval between the adjacent first mounting hole is 100mm.
Furthermore, the bolt is suitable for being arranged on each horizontal stirring rod in 2 numbers, the diameter of the bottom of the bolt is 20mm, the end of the bolt is larger than 22mm, and the end of the bolt is suitable for being clamped outside the first mounting hole.
Furthermore, the lower part of bolt is provided with spacing hole, horizontal joint has the pin in the spacing hole.
Compared with the prior art, the utility model discloses can obtain following technological effect:
compared with the prior art, the utility model provides a majority stir stake machine drill bit and adopted the spot welding to adjust the drill bit diameter, the problem that is hard consuming time, provided the adjustable stirring diameter's of adjusting stirring diameter customization processing drill bit according to the construction requirement, reduced frequent change pile head time, be favorable to the quick change drill bit stirring cross-section, improve the efficiency of construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a view showing the structure of the apparatus of the present invention;
fig. 2 is a cross-sectional view of the installation of the plug pin of the present invention.
In the figure: 1. a drill bit connector; 2. drilling a rod; 3. a tip of the stirring rod; 4. a horizontal stirring rod 5 and a telescopic rod; 21. a cement slurry outlet; 41. a bolt; 42. a pin; 43. vertical mixing sheets; 44. a second mounting hole; 45. a first mounting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
in order to realize an implementation scheme of the utility model, the telescopic cement mixing pile drill bit with adjustable mixing diameter comprises a drill rod 2, wherein the upper end of the drill rod 2 is provided with a drill bit connecting piece 1, two groups of horizontal mixing rods 4 are arranged on the drill rod 2, a mounting groove and a first mounting hole 45 are arranged on each horizontal mixing rod 4, a telescopic rod 5 is arranged in the mounting groove, a second mounting hole 44 is arranged on each telescopic rod 5, a plurality of groups of the first mounting hole 45 and the second mounting hole 44 are arranged, and the first mounting hole 45 is connected with the second mounting hole 44 by a mounting bolt 41; the horizontal stirring rod 4 and the telescopic rod 5 are both provided with vertical mixing pieces 43, the drill rod 2 is provided with a cement slurry outlet hole 21, and the bottom of the drill rod 2 is provided with a stirring rod tip 3;
the drill bit connecting piece 1 is suitable for being connected with a cement mixing pile machine, and the horizontal mixing rods 4 are crossed and vertically staggered at 45-degree included angles. The staggered stirring rods can quickly cut and stir.
The cement grout outlet 21 is positioned at the middle lower part of the drill rod 2 and is symmetrically provided with 2 groups, and the aperture of the cement grout outlet 21 is 20mm. The horizontal positions of the two groups of cement grout outlet holes 21 are different, so that blockage can be avoided at different positions, and the cement grout outlet holes are not limited to be only provided with two groups.
Furthermore, the horizontal stirring rod 4 is arc-shaped relative to the drill rod 2 and is welded with the surface of the drill rod 2, the vertical mixing pieces 43 positioned at the two ends of the horizontal stirring rod 4 are positioned on different side surfaces, and the vertical mixing pieces 43 on the telescopic rod 5 are positioned at one end of the telescopic rod 5 far away from the horizontal stirring rod 4.
Further, first mounting hole 45 and second mounting hole 44 all are provided with 4 groups, and the aperture diameter is 22mm, and the interval between adjacent second mounting hole 44 is 100mm, and the interval between adjacent first mounting hole 45 is 100mm.
The number of the inserted pins 41 is 2, the diameter of the bottom of each inserted pin 41 is 20mm, the diameter of the end of each inserted pin 41 is larger than 22mm, and the end of each inserted pin 41 is suitable for being clamped outside the first mounting hole 45.
The lower part of the bolt 41 is provided with a limiting hole, and a pin 42 is transversely clamped in the limiting hole. The drill rod 2 is a cylindrical steel pipe with the outer diameter of 100mm and the wall thickness of 8 mm; the cement grout outlet 21 at the bottom is positioned about 200mm below the horizontal stirring rod 4 at the lower side, and the telescopic rod 5 is a steel pipe with the size of 40mm in the direction and the length of 400mm; the vertical mixing piece 43 is a rectangular square piece with the length of 100mm and the width of 30 mm.
The installation mode is as follows: firstly, a first mounting hole 45 is formed in a horizontal stirring rod 4, a second mounting hole 44 is formed in a telescopic rod 5, four groups of the four groups are all arranged at intervals of 100mm, the telescopic rod 5 is inserted into the horizontal stirring rod 4, a vertical mixing piece 43 is welded, two groups of horizontal stirring rods 4 are welded on a drill rod 2, each group of the horizontal stirring rods 4 is limited to be in the same level, cement grout outlet holes 21 with different positions are formed in the drill rod 2, and then the positions of bolts are limited by using bolts 41 and pins 42.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
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 (6)
1. The utility model provides a telescopic soil cement mixing pile drill bit of adjustable stirring diameter which characterized in that: the drill rod comprises a drill rod (2), a drill bit connecting piece (1) is arranged at the end head of the upper part of the drill rod (2), two groups of horizontal stirring rods (4) are arranged on the drill rod (2), a mounting groove is formed in each horizontal stirring rod (4) and is provided with a first mounting hole (45), a telescopic rod (5) is arranged in each mounting groove, a second mounting hole (44) is formed in each telescopic rod (5), multiple groups of first mounting holes (45) and multiple groups of second mounting holes (44) are formed in each first mounting hole (45) and each second mounting hole (44), and the first mounting holes (45) and the second mounting holes (44) are suitable for being connected through mounting bolts (41); the horizontal stirring rod (4) and the telescopic rod (5) are both provided with vertical mixing pieces (43), the drill rod (2) is provided with a cement slurry outlet hole (21), and the bottom of the drill rod (2) is provided with a stirring rod tip (3);
the drill bit connecting piece (1) is suitable for being connected with a cement mixing pile machine, and the horizontal mixing rods (4) are crossed and vertically staggered at an included angle of 45 degrees.
2. The telescopic cement mixing pile drill bit with the adjustable mixing diameter as recited in claim 1, characterized in that the cement grout outlet (21) is positioned at the middle lower part of the drill rod (2) and is symmetrically provided with 2 groups, and the diameter of the cement grout outlet (21) is 20mm.
3. The telescopic cement mixing pile drill bit with the adjustable mixing diameter as recited in claim 1, characterized in that the horizontal mixing rod (4) is arc-shaped relative to the drill rod (2) and is welded with the surface of the drill rod (2), the vertical mixing pieces (43) at the two ends of the horizontal mixing rod (4) are located at different sides, and the vertical mixing pieces (43) on the telescopic rod (5) are located at one end of the telescopic rod (5) far away from the horizontal mixing rod (4).
4. The telescopic cement mixing pile drill bit with the adjustable mixing diameter as recited in claim 1, wherein the first mounting holes (45) and the second mounting holes (44) are provided with 4 groups, the diameter of each hole is 22mm, the distance between the adjacent second mounting holes (44) is 100mm, and the distance between the adjacent first mounting holes (45) is 100mm.
5. A telescopic mixing diameter cement mixing pile bit as claimed in claim 1, characterised in that the said bolt (41) is adapted to set 2 on each horizontal mixing rod (4), the said bolt (41) has a bottom diameter of 20mm and an end larger than 22mm, the end of the said bolt (41) is adapted to snap-fit outside the first mounting hole (45).
6. The telescopic cement mixing pile drill bit with the adjustable mixing diameter as claimed in claim 5, characterized in that the lower part of the bolt (41) is provided with a limiting hole, and a pin (42) is transversely clamped in the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221027374.9U CN217580107U (en) | 2022-04-28 | 2022-04-28 | Telescopic cement mixing pile drill bit capable of adjusting mixing diameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221027374.9U CN217580107U (en) | 2022-04-28 | 2022-04-28 | Telescopic cement mixing pile drill bit capable of adjusting mixing diameter |
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| CN217580107U true CN217580107U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221027374.9U Active CN217580107U (en) | 2022-04-28 | 2022-04-28 | Telescopic cement mixing pile drill bit capable of adjusting mixing diameter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272477A (en) * | 2023-03-30 | 2023-06-23 | 中国十七冶集团有限公司 | Accelerating straw mud stirring tool and mounting method |
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2022
- 2022-04-28 CN CN202221027374.9U patent/CN217580107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272477A (en) * | 2023-03-30 | 2023-06-23 | 中国十七冶集团有限公司 | Accelerating straw mud stirring tool and mounting method |
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