CN209855712U - Drill bit for rotary pile digging in deep rock in sandstone area - Google Patents
Drill bit for rotary pile digging in deep rock in sandstone area Download PDFInfo
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- CN209855712U CN209855712U CN201920495717.6U CN201920495717U CN209855712U CN 209855712 U CN209855712 U CN 209855712U CN 201920495717 U CN201920495717 U CN 201920495717U CN 209855712 U CN209855712 U CN 209855712U
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Abstract
The utility model discloses a rotary pile-digging drill bit for sandstone areas deep rock, which comprises a drill bit body with the diameter of 3000mm, wherein steel surrounding plates with the diameter of 3200mm are welded at the upper end and the lower end of the drill bit body, a connecting plate is welded between the steel surrounding plates and the outer side wall of the drill bit body, and an expanding tooth head is welded along the diameter direction of the drill bit body; and the bottom of the drill bit body is also provided with a lower digging tooth head. The utility model discloses a welding diameter is 3200 mm's steel bounding wall on the lateral wall of diameter 3000 mm's drill bit body to fix on the lateral wall of drill bit body through the connecting plate connection, the 100mm interval of the current drill bit of abundant utilization and pile driver, and the part that increases the diameter still welds the hole enlargement tooth head, so make the pile driver in former SR420II stake can realize the pile in 3200mm aperture.
Description
Technical Field
The utility model belongs to the technical field of the building equipment and specifically relates to a rotary drill bit of digging a pile of rock is deepened in sandstone area.
Background
Along with the development of the times, more and more high-rise buildings can relieve the shortage of urban land and improve the utilization rate of urban land; with the increasing of high-rise buildings and the more and more extensive use of large-diameter piles, the piles have the characteristics of super large diameter, large pile length, deep rock penetration and the like, and the construction difficulty is high by using the conventional machine. The diameter of each project engineering pile is various, in order to reduce waste, a drill bit with a standard diameter is usually customized, and the drill bit can be modified and increased in a simple mode for non-standard pile diameter piles with similar diameters so as to adapt to construction of various pile diameters of projects; the existing SR420II pile driver is matched with a 3000mm drill bit at the maximum, so that 3200mm diameter piles cannot be driven, and the pile driver is suitable for piling sandy rock layers.
Therefore, improvements to the prior art are yet to be made.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sandstone area goes deep into rotatory drill bit of digging a stake of rock aims at solving the unable stake technical problem who beats 3200mm diameter of realization of drill bit of current SR420II stake machine.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a rotary pile-digging drill bit for deep rock in sandstone areas comprises a drill bit body with the diameter of 3000mm, wherein steel enclosing plates with the diameter of 3200mm are welded at the upper end and the lower end of the drill bit body, a connecting plate is welded between each steel enclosing plate and the outer side wall of the drill bit body, and an expanding tooth head is welded along the diameter direction of the drill bit body; and the bottom of the drill bit body is also provided with a lower digging tooth head.
The sandstone area goes deep into the drill bit of the rotatory dug stake of rock, wherein, the top of drill bit body still is provided with the connector that is used for the pile driver drilling rod to connect.
The sandstone area go deep into the drill bit of the rotatory dug stake of rock, wherein, the periphery of connector sets up the triangle-shaped board that increases firm intensity.
The sandstone area goes deep into the drill bit of the rock rotary pile digging, wherein the connector is square or round.
The sandstone area goes deep into the drill bit of the rock rotary pile digging, wherein the outer side edge of the lower digging tooth head is also provided with a trimming tooth head.
The sandstone area goes deep into the drill bit for the rock rotary pile digging, wherein the connecting plates are respectively welded between the steel coaming and the outer side wall of the drill bit body in a manner of pressing the diameter direction of the drill bit body to be uniform.
Has the advantages that: the utility model discloses a welding diameter is 3200 mm's steel bounding wall on the lateral wall of diameter 3000 mm's drill bit body to fix on the lateral wall of drill bit body through the connecting plate connection, the 100mm interval of the current drill bit of abundant utilization and pile driver, and the part that increases the diameter still welds the hole enlargement tooth head, so make original SR420II stake machine can realize the pile of 3200mm diameter.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is another overall angle structure diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
Since the conventional SR420II pile driver is matched with a 3000mm drill bit at the maximum, a 3200mm diameter pile cannot be driven, so that the diameter of the drill bit needs to be increased to drive the 3200mm pile, but the distance between the drill rods of the pile driver and the body is limited, so that the diameter cannot be increased, and the distance needs to be reasonably utilized.
As shown in fig. 1-2, the utility model discloses a rotary pile-digging drill bit for sandstone areas deep rock, which comprises a drill bit body 1 with a diameter of 3000mm, wherein steel surrounding plates 2 with a diameter of 3200mm are welded at the upper end and the lower end of the drill bit body 1, a connecting plate 3 is welded between the steel surrounding plates 2 and the outer side wall of the drill bit body 1, and an expanding tooth head 4 is welded along the diameter direction of the drill bit body 1; and the bottom of the drill bit body 1 is also provided with a lower digging tooth head 5.
After the structure of the oil field sandstone excavation device is adopted, the utility model discloses a weld the steel bounding wall that the diameter is 3200mm respectively in the upper end and the lower extreme of the lateral wall of drill bit body, also increase 100mm on the radius of current drill bit body, so the diameter direction increases 200mm, weld between drill bit body and steel bounding wall through the connecting plate, so not only can realize expanding the drill bit body hole, still ensure the steel bounding wall that increases simultaneously, when the pile driver carries out the pile rotation, can not be by extrusion deformation, can provide sufficient holding power for the steel bounding wall, owing to enlarged diameter simultaneously, through hole enlargement tooth head and lower tooth head, mutually support and can realize the earth in sandstone excavation area, ensure the hole enlargement back, the part of expanding can realize the dredging.
The sandstone area goes deep into a rock and is used for rotatably digging a pile, wherein the top of the drill bit body 1 is also provided with a connector 11 for connecting a drill rod of a pile driver; so that it can be connected with the drill rod of the pile driver.
The sandstone area goes deep into a rock and is used for rotatably digging a pile, wherein a triangular plate 12 for increasing the stability strength is arranged on the periphery of the connector 11; therefore, after the connector 11 is connected with the drill rod, the drill rod can drive the drill bit body to rotate, then the pile is driven, and the torsion force brought by the drill rod can be resisted.
The sandstone area goes deep into the drill bit of the rock rotary pile digging, wherein the connector 11 is square or round, so that the drill rod with different shapes can be matched.
The sandstone area goes deep into the drill bit for rotationally digging the pile, wherein the trimming tooth head 6 is further arranged on the outer side edge of the lower digging tooth head 5, so that when the pile is driven in the sandstone area, the pile hole is kept flat by trimming through the trimming tooth head when the edge is not flat, and the pile is conveniently driven downwards continuously.
The sandstone area goes deep into the drill bit for rock rotary pile digging, wherein the connecting plates 3 are respectively welded between the steel coaming 2 and the outer side wall of the drill bit body 1 in a manner of pressing the diameter direction of the drill bit body to be uniform.
The utility model discloses a welding diameter is 3200 mm's steel bounding wall on the lateral wall of diameter 3000 mm's drill bit body to fix on the lateral wall of drill bit body through the connecting plate connection, the 100mm interval of the current drill bit of abundant utilization and pile driver, and the part that increases the diameter still welds the hole enlargement tooth head, so make original SR420II stake machine can realize the pile of 3200mm diameter.
The above is a preferred embodiment of the present invention, and certainly not to limit the scope of the present invention, it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solutions of the present invention without creative efforts may not depart from the protection scope of the technical solutions of the present invention.
Claims (6)
1. The rotary pile-digging drill bit for the sandstone areas deep into rock is characterized by comprising a drill bit body with the diameter of 3000mm, wherein steel enclosing plates with the diameter of 3200mm are welded at the upper end and the lower end of the drill bit body, a connecting plate is welded between each steel enclosing plate and the outer side wall of the drill bit body, and an expanding tooth head is welded along the diameter direction of the drill bit body; and the bottom of the drill bit body is also provided with a lower digging tooth head.
2. The sandstone area deep rock rotary pile-digging drill bit as claimed in claim 1, wherein the top of the drill bit body is further provided with a connector for connecting a drill rod of a pile driver.
3. The rotary deep rock piling drill bit for sandstone areas as claimed in claim 2, wherein the connector is provided with a triangular plate at the periphery for increasing the stability.
4. The sandstone area in-depth rock rotary piling drill bit of claim 2, wherein the connector is square or round.
5. The sandstone area deep rock rotary pile-digging drill bit according to claim 1, wherein the outer side edge of the lower digging tooth head is also provided with a trimming tooth head.
6. The sandstone area in-depth rock rotary pile-digging drill bit according to claim 1, wherein the connecting plates are respectively welded between the steel coaming and the outer side wall of the drill bit body in a manner of pressing the drill bit body to be uniform in the diameter direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495717.6U CN209855712U (en) | 2019-04-12 | 2019-04-12 | Drill bit for rotary pile digging in deep rock in sandstone area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495717.6U CN209855712U (en) | 2019-04-12 | 2019-04-12 | Drill bit for rotary pile digging in deep rock in sandstone area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209855712U true CN209855712U (en) | 2019-12-27 |
Family
ID=68937564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920495717.6U Active CN209855712U (en) | 2019-04-12 | 2019-04-12 | Drill bit for rotary pile digging in deep rock in sandstone area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209855712U (en) |
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2019
- 2019-04-12 CN CN201920495717.6U patent/CN209855712U/en active Active
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