CN220167878U - Combined rotary drilling tool - Google Patents
Combined rotary drilling tool Download PDFInfo
- Publication number
- CN220167878U CN220167878U CN202321624069.2U CN202321624069U CN220167878U CN 220167878 U CN220167878 U CN 220167878U CN 202321624069 U CN202321624069 U CN 202321624069U CN 220167878 U CN220167878 U CN 220167878U
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- drilling tool
- combined rotary
- rotary drilling
- outer drilling
- plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 110
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 10
- 239000004575 stone Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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Abstract
The utility model discloses a combined rotary drilling tool, which relates to a drilling tool and comprises an outer drilling tool, wherein an inner drilling tool is arranged in the outer drilling tool, outer drilling teeth are arranged at the lower part of the outer drilling tool, a connecting square head is arranged at the upper part of the outer drilling tool, and a connecting assembly is arranged between the outer drilling tool and the connecting square head. The utility model adopts a brand new assembly and a brand new connection relation, abandons the traditional drilling tool, combines the external drilling tool with the internal drilling tool, can prevent the drilling tool from being blocked by rock scraps, soil blocks or stones, reduces the service efficiency of the drilling tool, and simultaneously has an opening, thereby being convenient for throwing out the rock scraps, the soil blocks or the stones and increasing the working efficiency of the drilling tool.
Description
Technical Field
The utility model relates to a drilling tool, in particular to a combined rotary drilling tool.
Background
Along with the high-speed development of the economy in China, the foundation construction range is continuously accelerated, and the rotary drilling rig has been widely used in the foundation construction due to high efficiency, less pollution, flexibility and multiple functions.
In the foundation construction, the rotary drilling tool is a cylindrical drill in site construction, and the construction efficiency is high, the capacity is large, and the rotary drilling tool is quick and convenient; the other type is a spiral drilling tool, compared with a barrel drilling tool, the spiral drilling tool has the advantages of convenient slag unloading, good guiding performance and better pore-forming quality than the barrel drilling tool, but the spiral drilling tool has small capacity, no barrel drilling efficiency and low working efficiency. Since the drilling tool is one of the key components of the rotary drilling machine, the drilling tool directly affects the working efficiency of the machine, and therefore, a combined rotary drilling tool needs to be proposed to solve the above problems.
Disclosure of Invention
The utility model aims to provide a combined rotary drilling tool, which solves the problem of low construction efficiency of the rotary drilling tool in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the combined rotary drilling tool comprises an outer drilling tool, an inner drilling tool is arranged in the outer drilling tool, outer drilling teeth are arranged at the lower part of the outer drilling tool, a connecting square head is arranged at the upper part of the outer drilling tool, and a connecting assembly is arranged between the outer drilling tool and the connecting square head.
According to the combined rotary drilling tool, the outer drilling tool is provided with the opening.
The combined rotary drilling tool comprises the spiral central tube, the spiral central tube is provided with the spiral blades, and gaps exist between the spiral blades and the inner wall of the outer drilling tool.
In the combined rotary drilling tool, the lowest end of the spiral blade is provided with the inner drilling teeth.
The combined rotary drilling tool comprises the square flange, the lower part of the square flange is provided with the vertical plate, the vertical plate is provided with the rib plate, and the rib plate is vertically arranged on the connecting assembly.
According to the combined rotary drilling tool, the vertical plate is provided with the pin holes.
The combined rotary drilling tool comprises an upper top plate, wherein the upper top plate is arranged at the top end of the outer drilling tool, a clamping plate is sleeved at the top end of the outer drilling tool and connected with the upper top plate, and a connecting square head is arranged on the upper top plate.
The utility model has the advantages that: the utility model adopts a brand new assembly and a brand new connection relation, abandons the traditional drilling tool, combines the external drilling tool with the internal drilling tool, can prevent the drilling tool from being blocked by rock scraps, soil blocks or stones, reduces the service efficiency of the drilling tool, and simultaneously has an opening, thereby being convenient for throwing out the rock scraps, the soil blocks or the stones and increasing the working efficiency of the drilling tool.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model; fig. 2 is a schematic diagram of the structure of the present utility model.
Reference numerals: 1. an external drilling tool; 2. an inner drilling tool; 3. outer drill teeth; 4. connecting square heads; 5. a connection assembly; 11. an opening; 21. a spiral central tube; 22. a helical blade; 23. inner drill teeth; 41. a square flange; 42. a vertical plate; 43. rib plates; 44. a pin hole; 51. an upper top plate; 52. and (5) clamping plates.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, a combined rotary drilling tool comprises an outer drilling tool 1, an inner drilling tool 2 is arranged in the outer drilling tool 1, outer drilling teeth 3 are arranged at the lower part of the outer drilling tool 1, a connecting square head 4 is arranged at the upper part of the outer drilling tool 1, and a connecting component 5 is arranged between the outer drilling tool 1 and the connecting square head 4. Drilling teeth are arranged on the outer drilling tool 1 and the inner drilling tool 2; in the drilling process, firstly, under the action of drilling pressure, the utility model drills in the center of a working surface to form a broken free surface, cutting teeth positioned on the helical blades 22 follow to form drilling holes, cut rock fragments, soil, stones and the like rise reversely along the helical blades 22 and fill between the helical blades 22, and are pressed to the outer drilling tool 1 under the action of centrifugal inertia force, when the utility model works, the helical central tube 21 transmits pressure and torque to the outer drilling tool 1, the rock mass is cut by the section length of the bottom of the outer drilling tool 1, along with the increase of drilling depth, the cut rock scraps, soil and stones are continuously cut by the helical blades 22, the cut rock scraps, soil and stones and the like rise along the helical blades 22 reversely to fill the space between the helical blades 22 and are pressed to the inner wall of the outer drilling tool 1 under the action of centrifugal inertia force, the opening 11 on the outer drilling tool 1 throws the generated rock scraps, soil and Dan Shuaichu of the outer drilling tool 1 to the periphery of a pit, and the construction efficiency is greatly improved.
Specifically, as shown in fig. 1-2, the outer drill 1 according to this embodiment is provided with an opening 11. The rock cuttings, soil and Dan Shuaichu external drilling tool 1 are facilitated.
Specifically, as shown in fig. 1-2, the inner drilling tool 2 in this embodiment includes a spiral central tube 21, a spiral blade 22 is disposed on the spiral central tube 21, a gap exists between the spiral blade 22 and the inner wall of the outer drilling tool 1, and an inner drilling tooth 23 is disposed at the lowermost end of the spiral blade 22. The rock cuttings, soil and Dan Shuaichu external drilling tool 1 are facilitated.
Further, as shown in fig. 1-2, the connection square head 4 in this embodiment includes a square flange 41, a vertical plate 42 is disposed at the lower portion of the square flange 41, a rib plate 43 is disposed on the vertical plate 42, the rib plate 43 is vertically disposed on the connection assembly 5, and a pin hole 44 is disposed on the vertical plate 42. And the connection with external equipment is convenient.
Further, as shown in fig. 1-2, the connecting assembly 5 of the present embodiment includes an upper top plate 51, the upper top plate 51 is disposed at the top end of the outer drilling tool 1, a clamping plate 52 is sleeved on the top end of the outer drilling tool 1, the clamping plate 52 is connected with the upper top plate 51, and a connecting square head 4 is disposed on the upper top plate 51. Ensuring the tightness of the connection of the inner drilling tool 2 and the outer drilling tool 1.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. A combined rotary drilling tool is characterized in that: including outer drilling tool (1), the inside interior drilling tool (2) that is equipped with of outer drilling tool (1), outer drilling tool (1) lower part is equipped with outer brill tooth (3), and outer drilling tool (1) upper portion is equipped with connects square head (4), is equipped with coupling assembling (5) between outer drilling tool (1) and the connection square head (4).
2. The combined rotary drilling tool of claim 1, wherein: an opening (11) is arranged on the outer drilling tool (1).
3. The combined rotary drilling tool of claim 1, wherein: the inner drilling tool (2) comprises a spiral central tube (21), a spiral blade (22) is arranged on the spiral central tube (21), and a gap exists between the spiral blade (22) and the inner wall of the outer drilling tool (1).
4. A combined rotary drilling tool according to claim 3, wherein: the lowest end of the spiral blade (22) is provided with an inner drilling tooth (23).
5. The combined rotary drilling tool of claim 1, wherein: the connecting square head (4) comprises a square flange (41), a vertical plate (42) is arranged at the lower part of the square flange (41), a rib plate (43) is arranged on the vertical plate (42), and the rib plate (43) is vertically arranged on the connecting assembly (5).
6. The combined rotary drilling tool of claim 5, wherein: the vertical plate (42) is provided with a pin hole (44).
7. The combined rotary drilling tool of claim 1, wherein: the connecting assembly (5) comprises an upper top plate (51), the upper top plate (51) is arranged at the top end of the outer drilling tool (1), a clamping plate (52) is sleeved on the top end of the outer drilling tool (1), the clamping plate (52) is connected with the upper top plate (51), and a connecting square head (4) is arranged on the upper top plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321624069.2U CN220167878U (en) | 2023-06-26 | 2023-06-26 | Combined rotary drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321624069.2U CN220167878U (en) | 2023-06-26 | 2023-06-26 | Combined rotary drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220167878U true CN220167878U (en) | 2023-12-12 |
Family
ID=89056336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321624069.2U Active CN220167878U (en) | 2023-06-26 | 2023-06-26 | Combined rotary drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220167878U (en) |
-
2023
- 2023-06-26 CN CN202321624069.2U patent/CN220167878U/en active Active
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