CN208473715U - A kind of spiral soil compaction drill bit - Google Patents
A kind of spiral soil compaction drill bit Download PDFInfo
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- CN208473715U CN208473715U CN201820912138.2U CN201820912138U CN208473715U CN 208473715 U CN208473715 U CN 208473715U CN 201820912138 U CN201820912138 U CN 201820912138U CN 208473715 U CN208473715 U CN 208473715U
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Abstract
The utility model relates to civil engineering spiral Squeezing Soil Pile equipment technical fields, specifically a kind of spiral soil compaction drill bit, the drill bit includes apex point, soil compaction bar and helical blade, the lower end of the soil compaction bar is equipped with apex point, the upper end of soil compaction bar is connect with drilling rod, it is characterized in that soil compaction bar, which is equipped at least one soil compaction, expands body unit, soil compaction expansion body unit is diametrically gradually reduced pyramidal from bottom to top, soil compaction bar and soil compaction expand body unit, and continuous winding has squeezed helical blade from bottom to top, squeezed helical blade is smoothly connected with the helical blade on drilling rod, squeezed helical blade is diametrically gradually increased pyramidal from bottom to top, it is described to be wrapped in soil compaction bar and the screw pitch of squeezed helical blade that soil compaction expands on body unit is gradually increased from bottom to top, reality is acted on simultaneously by the squeezed helical blade that upper conical soil compaction expands body unit and taper Now quick lower hole drilling and reaming has many advantages, such as the spiral soil compaction drill bit for the bearing capacity and frictional resistance that soil compaction effect is good, extruding efficiency is high, increases stake.
Description
Technical field
The present invention relates to civil engineering spiral Squeezing Soil Pile equipment technical field, specifically a kind of structure is simple, makes
With convenient, soil compaction effect is good, extruding efficiency is high, increases the bearing capacity of stake and the spiral soil compaction drill bit of frictional resistance.
Background technique
It is well known that long auger stake is usually to connect bolt with the lower end of common long screw drill rod in construction
Then the upper end of drilling rod is mounted on long-spiral drilling machine again and drills by soil compaction drill bit, existing soil compaction drill bit is typically all
It is made of apex point, soil compaction bar and helical blade, the soil in drilling process within the scope of drill pipe diameter is right all as blade rises to outside hole
Surrounding soil when handling collapsible loess or needing the compacted soil body also needs to increase compacted substantially without crowd in-out effects
Stake, therefore the soil compaction bar between helical blade can be equipped with to the soil compaction that diameter is gradually increased from bottom to top and expand body, increase in this way
Crowd in-out effects will generate obstruction to moving up for soil in this way, no since the diameter that the soil compaction expands body is gradually increased from bottom to top
Only reduce soil moves up speed, and influence entire drill body moves down speed, influences soil compaction effect, especially existing soil compaction
Brill generally is difficult to pierce weathered rock formation, poor to effect is bored under the soil of weathered rock formation.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, easy to use, soil compaction effect
Fruit is good, extruding efficiency is high, increases the bearing capacity of stake and the spiral soil compaction drill bit of frictional resistance.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of spiral soil compaction drill bit, the drill bit include apex point, soil compaction bar and helical blade, and the lower end of the soil compaction bar is set
There is apex point, the upper end of soil compaction bar is connect with drilling rod, it is characterised in that soil compaction bar is equipped at least one soil compaction and expands body unit, soil compaction
Expand body unit and be diametrically gradually reduced from bottom to top pyramidal, the taper angle that pyramidal soil compaction expands body unit is 30 ~ 85 degree, crowded
Native bar and soil compaction expand body unit, and continuous winding has squeezed helical blade, the helical-blade on squeezed helical blade and drilling rod from bottom to top
Piece is smoothly connected, and squeezed helical blade is diametrically gradually increased pyramidal from bottom to top, the cone of pyramidal squeezed helical blade
Spending angle is 7 degree ~ 19 degree, and the described screw pitch for being wrapped in soil compaction bar and the squeezed helical blade on soil compaction expansion body unit is from bottom to top
It is gradually increased, increases compacted effect, reality is acted on by the squeezed helical blade that upper conical soil compaction expands body unit and taper simultaneously
Now quick lower hole drilling and reaming.
Soil compaction on soil compaction bar of the present invention expands body unit and is arranged successively to be connected in continuity, squeezed helical blade by
Soil compaction is wrapped in upwards down to expand on body unit and be smoothly connected with the helical blade on drilling rod.
Soil compaction on soil compaction bar of the present invention expands body unit and connects in intermittent, and squeezed helical blade is from bottom to top
It is wrapped on soil compaction expansion body unit and soil compaction bar and continuously coupled with the helical blade on drilling rod.
Soil compaction of the present invention expand body unit upper surface and lower end surface respectively be wrapped in soil compaction and expand body unit upper end
The squeezed helical blade of face and lower end surface is overlapped, and soil is deposited in the gap for preventing soil compaction from expanding between body unit and squeezed helical blade, is protected
Card soil moves up effect.
The soil compaction of soil compaction bar of the present invention the top expands the straight of the upper surface diameter of body unit and the lower end surface of drilling rod
Diameter is in mating connection, guarantees the continuity of soil compaction, guarantees earth-working effect.
The edge of squeezed helical blade of the present invention is equipped with the brill tooth towards blade outboard, and assist drill bit cuts soil,
Increase moves down speed.
The bottom end of squeezed helical blade of the present invention is equipped with auxiliary apex point downwards, the auxiliary drill spivot
Line is parallel with apex point axis, increases drill bit by auxiliary apex point and moves down speed.
The present invention expands body unit since soil compaction bar is equipped at least one soil compaction, and soil compaction expands body unit from bottom to top diametrically
What is be gradually reduced is pyramidal, and the taper angle that pyramidal soil compaction expands body unit is 30 ~ 85 degree, and soil compaction bar and soil compaction expand body unit under
Upward continuous winding has squeezed helical blade, and squeezed helical blade is smoothly connected with the helical blade on drilling rod, squeezed helical-blade
Piece is diametrically gradually increased pyramidal from bottom to top, and the taper angle of pyramidal squeezed helical blade is 7 degree ~ 19 degree, squeezed spiral shell
The edge of vane piece is equipped with the brill tooth towards blade outboard, expands the squeezed helical-blade of body unit and taper by upper conical soil compaction
Piece acts on realization quickly lower hole drilling and reaming, the squeezed helical blade being wrapped on soil compaction bar and soil compaction expansion body unit simultaneously
Screw pitch be gradually increased from bottom to top, increase compacted effect, soil compaction on the soil compaction bar expands body unit and is arranged successively in connecting
Continuous property connection, the soil compaction that squeezed helical blade is wrapped in from bottom to top expand on body unit and with the smooth company of helical blade on drilling rod
It connects, the soil compaction on the soil compaction bar expands body unit and connects in intermittent, and squeezed helical blade is wrapped in soil compaction from bottom to top
Expand soil compaction on body unit and soil compaction bar and continuously coupled with the helical blade on drilling rod, described and expands the upper surface of body unit under
End face is overlapped with the squeezed helical blade for being wrapped in soil compaction expansion body unit upper surface and lower end surface respectively, prevents soil compaction from expanding body unit
Soil is deposited in gap between squeezed helical blade, guarantees that soil moves up effect, the soil compaction of described soil compaction bar the top expands body unit
Upper surface diameter and drilling rod lower end surface diameter it is in mating connection, guarantee the continuity of soil compaction, guarantee earth-working effect, it is described
The bottom end of squeezed helical blade be equipped with auxiliary apex point downwards, the auxiliary apex point is parallel with apex point, passes through auxiliary
Apex point increases drill bit and moves down speed, has the carrying that structure is simple, easy to use, soil compaction effect is good, extruding efficiency is high, increases stake
The spiral soil compaction drill bit of power and frictional resistance.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is that soil compaction expands the continuously coupled structural schematic diagram of body unit on drilling rod of the present invention.
Fig. 3 is the structural schematic diagram that soil compaction expands the connection of body unit interval on drilling rod of the present invention.
Fig. 4 is drilling rod and drill bit coupling part cross-sectional view in Fig. 2.
Fig. 5 is the partial schematic diagram of helical blade in the present invention.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of spiral soil compaction drill bit, the drill bit include apex point 1, soil compaction bar 2 and helical blade, described
The lower end of soil compaction bar 2 is equipped with apex point 1, and the upper end of soil compaction bar 2 is connect with drilling rod 6, it is characterised in that soil compaction bar 2 is equipped at least one
A soil compaction expands body unit 4, and soil compaction expands body unit 4 and is diametrically gradually reduced pyramidal, pyramidal soil compaction expansion body list from bottom to top
The taper angle B of member 4 is 30 ~ 85 degree, and continuous winding has squeezed helical blade 3 from bottom to top for soil compaction bar 2 and soil compaction expansion body unit 4,
Squeezed helical blade 3 is smoothly connected with the helical blade on drilling rod 6, and squeezed helical blade 3 is diametrically gradually increased from bottom to top
It is pyramidal, the taper angle A of pyramidal squeezed helical blade 3 is 7 degree ~ 19 degree, and the edge of squeezed helical blade 3 is equipped with towards leaf
Brill tooth on the outside of piece is acted under realization quickly simultaneously by the squeezed helical blade 3 that upper conical soil compaction expands body unit 4 and taper
Hole drilling and reaming, it is described to be wrapped in soil compaction bar 2 and soil compaction expands the screw pitch of squeezed helical blade 3 on body unit 4 from bottom to top gradually
Increase, screw pitch L1, L2 and L3 as shown in figure 1, L1 are less than L3 less than L2, increase compacted effect, the soil compaction on the soil compaction bar 2
Expand body unit 4 to be arranged successively and connects in continuity, the soil compaction that squeezed helical blade 3 is wrapped in from bottom to top expand on body unit 4 and with
Helical blade on drilling rod 6 is smoothly connected, and the soil compaction on the soil compaction bar 2 expands body unit 4 and connects in intermittent, squeezed spiral
The soil compaction that is wrapped in from bottom to top of blade 3 expands on body unit 4 and soil compaction bar 2 and, institute continuously coupled with the helical blade on drilling rod 6
The soil compaction stated expand body unit 4 upper surface and lower end surface respectively be wrapped in soil compaction and expand squeezing for 4 upper surface of body unit and lower end surface
Expand helical blade 3 to be overlapped, soil is deposited in the gap for preventing soil compaction from expanding between body unit 4 and squeezed helical blade 3, guarantees that soil moves up effect
Fruit, the upper surface diameter that the soil compaction of described 2 the top of soil compaction bar expands body unit 4 are matched with the diameter of the lower end surface of drilling rod 6
Connection, guarantees the continuity of soil compaction, guarantees earth-working effect, and the bottom end of the squeezed helical blade 3 is equipped with downwards auxiliary
Apex point 11 is helped, the auxiliary apex point 11 is parallel with apex point 1, increases drill bit by auxiliary apex point 11 and moves down speed, institute of the present invention
The upper end for the soil compaction bar 2 stated is connected through connection component with drilling rod 6, and the connection component is by connection backplate 7, connection bolt 8
Composition, one end of the connection backplate 7 are connected with the lower end of drilling rod 6, and the other end of connection backplate 7 is wrapped in soil compaction bar 2
The top soil compaction expand body unit 4 outer surface on and through connect bolt 8 be attached, the lower end surface of the drilling rod 6 is equipped with
Connect boss 9, the upper surface of soil compaction bar 2 be equipped with the connecting groove 10 that connect cooperation of boss 9, pass through connection boss 9 and connect
The mating connection realization drill bit of groove 10 and being located by connecting for drilling rod 6.
In the use of the present invention, drilling rod is connected with the drill bit first, the rotary head is driven to revolve by driving mechanism after connection
Turn to move down, during moving under rotation, since the squeezed helical blade 3 in the drill bit is inferior pyramidal, be conducive to lower brill in this way,
Downstream rate is improved, simultaneously because soil compaction bar 2, which is equipped with, expands body unit 4 in upper conical soil compaction, such soil compaction expands body unit 4
Cutting blade is formed, is conducive to cut, while soil compaction can be carried out, is conducive to soil-shifting uplink, while reaction force pushes squeezed spiral
3 downlink of blade has compacted effect to soil, improves construction efficiency, especially upper conical soil compaction expands body unit can be to drill bit
The soil progress of surrounding is compacted, realizes back that power squeezes to the concrete-pile of filling after compacted, and then increase the carrying of concrete-pile
Power increases the stability of stake, and the soil compaction bar and drilling rod in the present invention are all same as the prior art, is set as hollow form, facilitates coagulation
The conveying of soil, the present invention expand body unit 4 since soil compaction bar 2 is equipped at least one soil compaction, and soil compaction expands body unit 4 and is in from bottom to top
Diameter is gradually reduced pyramidal, soil compaction expand body unit 4 taper angle B be 30 ~ 85 degree, soil compaction bar 2 and soil compaction expansion body unit 4 by
Upward continuous winding has squeezed helical blade 3 down, and squeezed helical blade 3 is smoothly connected with the helical blade on drilling rod 6, squeezed spiral shell
Vane piece 3 is diametrically gradually increased pyramidal from bottom to top, and the taper angle A of pyramidal squeezed helical blade 3 is 7 degree ~ 19 degree,
The edge of squeezed helical blade 3 is equipped with the brill tooth towards blade outboard, passes through squeezing for upper conical soil compaction expansion body unit 4 and taper
Expansion helical blade 3 acts on realization quickly lower hole drilling and reaming simultaneously, and described is wrapped in squeezing on soil compaction bar 2 and soil compaction expansion body unit 4
The screw pitch for expanding helical blade 3 is gradually increased from bottom to top, and screw pitch L1, L2 and L3 as shown in figure 1, L1 are less than L2 less than L3, increase
Compacted effect, the soil compaction on the soil compaction bar 2 expands body unit 4 and is arranged successively to be connected in continuity, and squeezed helical blade 3 is under
Soil compaction is wrapped in upwards to expand on body unit 4 and be smoothly connected with the helical blade on drilling rod 6, the soil compaction on the soil compaction bar 2
Expand body unit 4 to connect in intermittent, the soil compaction that is wrapped in from bottom to top of squeezed helical blade 3 expands on body unit 4 and soil compaction bar 2 simultaneously
It is continuously coupled with the helical blade on drilling rod 6, the soil compaction expand body unit 4 upper surface and lower end surface respectively be wrapped in it is crowded
Soil expands 4 upper surface of body unit and the squeezed helical blade 3 of lower end surface is overlapped, and prevents soil compaction from expanding body unit 4 and squeezed helical blade 3
Between gap deposit soil, guarantee that soil moves up effect, the soil compaction of described 2 the top of soil compaction bar expands the upper surface diameter of body unit 4
It is in mating connection with the diameter of the lower end surface of drilling rod 6, guarantee the continuity of soil compaction, guarantees earth-working effect, the squeezed spiral
The bottom end of blade 3 is equipped with auxiliary apex point 11 downwards, and the auxiliary apex point 11 is parallel with apex point 1, by assisting apex point
11 increase drill bits move down speed, and the upper end of soil compaction bar 2 of the present invention is connected through connection component with drilling rod 6, the company
Connected components are made of connection backplate 7, connection bolt 8, and one end of the connection backplate 7 is connected with the lower end of drilling rod 6, connection
The top soil compaction that the other end of backplate 7 is wrapped in soil compaction bar 2 expands on the outer surface of body unit 4 and is connected through connecting bolt 8
It connects, the lower end surface of the drilling rod 6 is equipped with connection boss 9, and the upper surface of soil compaction bar 2 is equipped with and the connection that connect boss 9 and cooperate
Groove 10 has structure by connection boss 9 and the mating connection realization drill bit of connecting groove 10 and being located by connecting for drilling rod 6
Simply, easy to use, soil compaction effect is good, extruding efficiency is high, increase stake bearing capacity and frictional resistance spiral soil compaction drill bit etc. it is excellent
Point.
Claims (7)
1. a kind of spiral soil compaction drill bit, the drill bit includes apex point, soil compaction bar and helical blade, and the lower end of the soil compaction bar is equipped with
The upper end of apex point, soil compaction bar is connect with drilling rod, it is characterised in that at least one soil compaction that soil compaction bar is equipped with expands body unit, and soil compaction expands
Body unit is diametrically gradually reduced pyramidal from bottom to top, and the taper angle that pyramidal soil compaction expands body unit is 30 ~ 85 degree, soil compaction
Bar and soil compaction expand body unit, and continuous winding has squeezed helical blade, the helical blade on squeezed helical blade and drilling rod from bottom to top
It is smoothly connected, squeezed helical blade is diametrically gradually increased pyramidal from bottom to top, the taper of pyramidal squeezed helical blade
Angle is 7 degree ~ 19 degree, the described screw pitch for being wrapped in soil compaction bar and the squeezed helical blade on soil compaction expansion body unit from bottom to top by
It is cumulative big, realization quickly lower hole drilling and reaming is acted on by the squeezed helical blade that upper conical soil compaction expands body unit and taper simultaneously.
2. a kind of spiral soil compaction drill bit according to claim 1, it is characterised in that the soil compaction on the soil compaction bar expands body
Unit is arranged successively to be connected in continuity, squeezed helical blade be wrapped in from bottom to top soil compaction expand body unit on and on drilling rod
Helical blade is smoothly connected.
3. a kind of spiral soil compaction drill bit according to claim 1, it is characterised in that the soil compaction on the soil compaction bar expands body
Unit is connected in intermittent, squeezed helical blade be wrapped in from bottom to top soil compaction expand on body unit and soil compaction bar and on drilling rod
Helical blade it is continuously coupled.
4. a kind of spiral soil compaction drill bit according to claim 1,2 or 3, it is characterised in that the squeezed helical blade
Edge is equipped with the brill tooth towards blade outboard.
5. a kind of spiral soil compaction drill bit according to claim 1,2 or 3, it is characterised in that the soil compaction expands body unit
Upper surface and lower end surface are overlapped with the squeezed helical blade for being wrapped in soil compaction expansion body unit upper surface and lower end surface respectively.
6. a kind of spiral soil compaction drill bit according to claim 1,2 or 3, it is characterised in that described soil compaction bar the top
Soil compaction expands the upper surface diameter of body unit and the diameter of the lower end surface of drilling rod is in mating connection.
7. a kind of spiral soil compaction drill bit according to claim 1, it is characterised in that the bottom end of the squeezed helical blade
Equipped with auxiliary apex point downwards, drill bit is increased by auxiliary apex point and moves down speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912138.2U CN208473715U (en) | 2018-06-13 | 2018-06-13 | A kind of spiral soil compaction drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820912138.2U CN208473715U (en) | 2018-06-13 | 2018-06-13 | A kind of spiral soil compaction drill bit |
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| Publication Number | Publication Date |
|---|---|
| CN208473715U true CN208473715U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820912138.2U Active CN208473715U (en) | 2018-06-13 | 2018-06-13 | A kind of spiral soil compaction drill bit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561085A (en) * | 2018-06-13 | 2018-09-21 | 威海市水利岩土工程有限公司 | A kind of spiral soil compaction drill bit |
| RU2758920C1 (en) * | 2020-11-03 | 2021-11-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | Screw drill for frozen soils |
| RU2787661C1 (en) * | 2022-05-11 | 2023-01-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | Screw drill for frozen soils |
-
2018
- 2018-06-13 CN CN201820912138.2U patent/CN208473715U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561085A (en) * | 2018-06-13 | 2018-09-21 | 威海市水利岩土工程有限公司 | A kind of spiral soil compaction drill bit |
| CN108561085B (en) * | 2018-06-13 | 2024-06-11 | 威海市水利岩土工程有限公司 | Spiral soil extrusion drill bit |
| RU2758920C1 (en) * | 2020-11-03 | 2021-11-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | Screw drill for frozen soils |
| RU2787661C1 (en) * | 2022-05-11 | 2023-01-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный технический университет имени Гагарина Ю.А." (СГТУ имени Гагарина Ю.А.) | Screw drill for frozen soils |
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