CN220267598U - Stone blocking drill bit suitable for rotary digging of filling layer of filling pile - Google Patents
Stone blocking drill bit suitable for rotary digging of filling layer of filling pile Download PDFInfo
- Publication number
- CN220267598U CN220267598U CN202321994663.0U CN202321994663U CN220267598U CN 220267598 U CN220267598 U CN 220267598U CN 202321994663 U CN202321994663 U CN 202321994663U CN 220267598 U CN220267598 U CN 220267598U
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- China
- Prior art keywords
- stone
- drill
- connector
- plate
- stone blocking
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- 239000004575 stone Substances 0.000 title claims abstract description 91
- 230000000903 blocking effect Effects 0.000 title claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 28
- 239000002002 slurry Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to the technical field of engineering machinery, and discloses a stone blocking drill bit suitable for rotary digging of a filling layer of a filling pile, which comprises a drilling barrel and a connector for connecting a drill rod, wherein the bottom of the connector is abutted to the top of the drilling barrel from top to bottom, and stone blocking plates for bearing stone blocks falling are arranged on the top of the connector and are horizontally arranged; the periphery of the connector is provided with a plurality of reinforcing rib plates which deviate from the connector and extend to the bottom edge of the stone baffle plate; the drill cylinder receives the stone blocks falling in the stone filling layer of the pile hole through the stone blocking plate, the stone blocks are prevented from being directly crashed and falling on the drill cylinder, the drill cylinder is separated from the stone blocking plate by the reinforcing rib plates, the protection of the drill cylinder is increased, the reinforcing rib plates are used as the supporting bearing capacity of the stone blocking plate, and the falling stone blocks can be conveyed out of the pile hole through the stone blocking plate in the process that the stone blocking drill head moves out of the pile hole; the problem that drilling construction even possibly causes the rotary drilling bit to drop under the condition that the connection strength of the drill rod and the drill bit is weak is solved.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a stone blocking drill bit suitable for rotary digging of a filling layer of a filling pile.
Background
The rotary-digging cast-in-place pile is widely applied to the construction of the cast-in-place pile due to the characteristics of high construction efficiency, easy construction management, less mud and waste residues generated in the construction process, and the like.
When the rotary drilling rig drills in the stone filling area, the stone blocks are continuously rubbed with the drill bit in the rotary drilling process, so that the reinforcing rib plate at the top of the drill bit is worn, meanwhile, the stone blocks are quite loose and are easily affected by drilling construction disturbance, the drill bit part is broken by falling, the connection strength of the mechanical drill rod and the drill bit is reduced, the torsion is reduced, if the stone blocks fall between the cylinder wall and the hole wall, the resistance of rotary drilling of the drill bit is increased, the rotary drilling friction is increased, the drilling is difficult, and the rotary drilling bit is even possibly caused under the condition that the connection strength of the drill rod and the drill bit is weak.
Disclosure of Invention
The utility model aims to provide a stone blocking drill bit suitable for rotary drilling of a filling layer of a filling pile, and aims to solve the problem that in the prior art, the rotary drilling drill bit is possibly dropped even in drilling construction under the condition of weak connection strength of a drill rod and the drill bit.
The utility model discloses a stone blocking drill bit suitable for rotary digging of a filling pile stone filling layer, which comprises a drill cylinder and a connector for connecting a drill rod, wherein the bottom of the connector is propped against the top of the drill cylinder from top to bottom;
the periphery of connector is gone up has a plurality of deep floor that deviate from the bottom outside edge that the connector extends to the baffle plate, a plurality of deep floor is along the periphery circumference interval arrangement of connector, a plurality of deep floor all is located in the support region.
Further, the middle part of baffle plate has the mounting hole that supplies the connector to run through the gomphosis, the inside wall butt of mounting hole is on the lateral wall of connector, the top terminal surface of connector flushes with the top terminal surface of baffle plate and arranges or the top terminal surface of connector is higher than the top terminal surface of baffle plate.
Further, the top of the drilling barrel is provided with a plurality of through holes for slurry circulation; the stone baffle plate is provided with a plurality of flow holes for slurry to circulate, a plurality of flow holes penetrate through the stone baffle plate along the circumferential surrounding interval of the stone baffle plate, and the flow holes are communicated with the penetrating holes.
Further, the diameter of the stone blocking plate is the same as that of the drill cylinder.
Further, the reinforcing rib plate is provided with a communication hole for slurry circulation, and the communication hole is respectively communicated with the communication hole and the through hole.
Further, the bottom of deep floor welds on the top of boring a section of thick bamboo, the top butt of deep floor is on the bottom of fender slabstone.
Further, the reinforcing rib plate and the stone baffle plate are welded and fixed.
Further, the adjacent reinforcing rib plates are vertically arranged.
Further, a plurality of protection plates for protecting the reinforcing rib plates are arranged on the periphery of the drill cylinder, and the protection plates are circumferentially arranged at intervals along the periphery of the drill cylinder.
Further, the lower part of the protection plate is fixed on the drill cylinder, the upper part of the protection plate is exposed on the top of the drill cylinder, and the upper part of the protection plate is abutted on the outer side of the reinforcing rib plate.
Compared with the prior art ， According to the baffle Dan Zuantou suitable for rotary digging of the filling layer of the filling pile, the drill barrel receives the falling stone in the filling layer of the pile hole through the baffle plate, the stone is prevented from being directly crashed and falls on the drill barrel, the drill barrel is separated from the baffle plate by the reinforcing rib plate, the protection of the drill barrel is increased, the reinforcing rib plate is used as the supporting bearing capacity of the baffle plate, and in the process of moving out of the pile hole, the falling stone can be transported out of the pile hole through the baffle plate; the problem that drilling construction even possibly causes the rotary drilling bit to drop under the condition that the connection strength of the drill rod and the drill bit is weak is solved.
Drawings
Fig. 1 is a schematic perspective view of a stone blocking drill bit suitable for rotary excavation of a filling pile stone filling layer.
In the figure: drill pipe 100, connector 200, stone baffle plate 300, support area 400, through hole 101, protection plate 102, reinforcing rib 201, communication hole 202, mounting hole 301, and flow hole 302.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present utility model, and specific meanings of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
Referring to FIG. 1, a preferred embodiment of the present utility model is shown.
The stone blocking drill bit suitable for rotary digging of a filling pile stone filling layer comprises a drill cylinder 100 and a connector 200 for connecting a drill rod, wherein the bottom of the connector 200 is abutted against the top of the drill cylinder 100 from top to bottom, a stone blocking plate 300 for receiving stone blocks to fall is arranged on the top of the connector 200, the stone blocking plate 300 is horizontally arranged, and the bottom of the stone blocking plate 300 and the top of the drill cylinder 100 are oppositely arranged at intervals to form a supporting area 400;
the connector 200 has a plurality of reinforcing ribs 201 on its outer periphery extending away from the connector 200 to the bottom outer edge of the baffle plate 300, the plurality of reinforcing ribs 201 being circumferentially spaced along the outer periphery of the connector 200, the plurality of reinforcing ribs 201 being located in the support region 400.
The stone blocking drill head suitable for rotary digging of the filling layer of the filling pile, provided by the utility model, has the advantages that the drill cylinder 100 receives the stone blocks falling in the stone filling layer of the pile hole through the stone blocking plate 300, the stone blocks are prevented from directly smashing and falling on the drill cylinder 100, the drill cylinder 100 is separated from the stone blocking plate 300 by the reinforcing rib plate 201, the protection of the drill cylinder 100 is increased, the reinforcing rib plate 201 is used as the supporting bearing capacity of the stone blocking plate 300, and the falling stone blocks can be transported out of the pile hole through the stone blocking plate 300 in the process of moving out of the pile hole; the problem that drilling construction even possibly causes the rotary drilling bit to drop under the condition that the connection strength of the drill rod and the drill bit is weak is solved.
The middle part of the baffle plate 300 is provided with a mounting hole 301 for the connector 200 to penetrate and be embedded, and the inner side wall of the mounting hole 301 is abutted on the outer side wall of the connector 200, so that the connection and the positioning between the baffle plate 300 and the connector 200 can be increased; the top end surface of the connector 200 is arranged flush with the top end surface of the stone baffle plate 300, so that the stone baffle plate 300 can be pressed against the reinforcing rib plate 201 through the drill rod; or the top end surface of the connector 200 is higher than the top end surface of the stone blocking plate 300, so that the convenience of mounting and dismounting the stone blocking plate 300 and the connector 200 can be improved.
A plurality of through holes 101 for slurry circulation are formed in the top of the drill cylinder 100; the stone blocking plate 300 is provided with a plurality of flow holes 302 for slurry to flow through, the plurality of flow holes 302 are arranged in a penetrating way along the circumferential surrounding interval of the stone blocking plate 300, and the flow holes 302 are communicated with the penetrating holes 101; thus facilitating the circulation of the wall protection slurry during the construction process.
The diameter of the stone blocking plate 300 is the same as the diameter of the drill barrel 100; in this way, the stone blocking plate 300 can be fully received by the stone blocks falling from the stone filling layer of the pile hole, and the stone blocks can be prevented from falling on the outer side wall of the drill pipe 100, thereby increasing friction resistance.
The reinforcing rib plate 201 is provided with a communication hole 202 for slurry to circulate, and the communication hole 202 is respectively communicated with a circulation hole 302 and the through hole 101; thus facilitating the circulation of the wall protection slurry during the construction process.
The bottom of the reinforcing rib plate 201 is welded on the top of the drill cylinder 100, and the top of the reinforcing rib plate 201 is abutted on the bottom of the baffle plate 300; in this way, the connectivity between the reinforcing rib 201 and the drill pipe 100 can be increased, and thus a stable supporting force can be provided to the reinforcing rib 201.
The reinforcing rib plate 201 and the stone baffle plate 300 are welded and fixed; the connection relation between the reinforcing rib plate 201 and the stone blocking plate 300 can be increased, and the drill pipe 100 can be protected.
The adjacent reinforcing rib plates 201 are vertically arranged; in this way, the bearing capacity of the stone blocking plate 300 can be increased.
In this embodiment, the outer periphery of the drill pipe 100 is provided with a plurality of protection plates 102 for protecting the reinforcing rib plate 201, and the plurality of protection plates 102 are circumferentially and circumferentially arranged at intervals along the outer periphery of the drill pipe 100; the lower part of the protection plate 102 is fixed on the drill drum 100, the upper part of the protection plate 102 is exposed on the top of the drill drum 100, and the upper part of the protection plate 102 is abutted on the outer side of the reinforcing rib plate 201 。
The drill pipe 100 protects the reinforcing rib plate 201 through the protection plate 102 so as to reduce damage of stone block friction to the reinforcing rib plate 201 in the drilling process of the drill pipe 100.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The stone blocking drill bit is characterized by comprising a drill cylinder and a connector for connecting a drill rod, wherein the bottom of the connector is propped against the top of the drill cylinder from top to bottom, stone blocking plates for bearing stones falling off are arranged on the top of the connector, the stone blocking plates are horizontally arranged, and the bottom of the stone blocking plates and the top of the drill cylinder are oppositely arranged at intervals to form a supporting area;
the periphery of connector is gone up has a plurality of deep floor that deviate from the bottom outside edge that the connector extends to the baffle plate, a plurality of deep floor is along the periphery circumference interval arrangement of connector, a plurality of deep floor all is located in the support region.
2. The stone blocking drill bit suitable for rotary excavation of a filling pile stone filling layer according to claim 1, wherein a mounting hole for a connector to penetrate and be embedded is formed in the middle of the stone blocking plate, the inner side wall of the mounting hole is abutted to the outer side wall of the connector, and the top end face of the connector is arranged flush with the top end face of the stone blocking plate or the top end face of the connector is higher than the top end face of the stone blocking plate.
3. The stone blocking drill bit suitable for rotary drilling of a filling pile stone layer according to claim 2, wherein a plurality of through holes for slurry circulation are formed on the top of the drill barrel; the stone baffle plate is provided with a plurality of flow holes for slurry to circulate, a plurality of flow holes penetrate through the stone baffle plate along the circumferential surrounding interval of the stone baffle plate, and the flow holes are communicated with the penetrating holes.
4. A stone blocking drill bit suitable for rotary drilling of a filling layer of a cast-in-place pile according to claim 3, wherein the stone blocking plate has the same diameter as the drill drum.
5. A stone blocking drill suitable for rotary drilling of a filling pile stone filling layer according to claim 3, wherein the reinforcing rib plate is provided with communication holes for slurry circulation, and the communication holes are respectively communicated with the communication holes and the through holes.
6. A stone blocking drill suitable for rotary drilling of a filling layer of a cast-in-place pile according to any one of claims 1 to 5, wherein the bottom of the reinforcing rib plate is welded to the top of the drill barrel, and the top of the reinforcing rib plate abuts against the bottom of the stone blocking plate.
7. The stone blocking drill suitable for rotary drilling of a filling layer of a cast-in-place pile according to claim 6, wherein the reinforcing rib plates are welded and fixed with the stone blocking plates.
8. A stone drill suitable for rotary drilling of a filling layer of a cast-in-place pile according to any one of claims 1 to 5, wherein adjacent reinforcing rib plates are vertically arranged.
9. A stone drill bit for rotary drilling of a filling layer of a cast-in-place pile according to any one of claims 1 to 5, wherein a plurality of protection plates for protecting reinforcing ribs are provided on the outer circumference of the drill barrel, and the plurality of protection plates are circumferentially arranged at intervals along the outer circumference of the drill barrel.
10. The stone drill for rotary drilling of a filling pile stone layer according to claim 9, wherein the lower part of the protection plate is fixed on the drill drum, the upper part of the protection plate is exposed on the top of the drill drum, and the upper part of the protection plate is abutted on the outer side of the reinforcing rib plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994663.0U CN220267598U (en) | 2023-07-26 | 2023-07-26 | Stone blocking drill bit suitable for rotary digging of filling layer of filling pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321994663.0U CN220267598U (en) | 2023-07-26 | 2023-07-26 | Stone blocking drill bit suitable for rotary digging of filling layer of filling pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267598U true CN220267598U (en) | 2023-12-29 |
Family
ID=89312662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321994663.0U Active CN220267598U (en) | 2023-07-26 | 2023-07-26 | Stone blocking drill bit suitable for rotary digging of filling layer of filling pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267598U (en) |
-
2023
- 2023-07-26 CN CN202321994663.0U patent/CN220267598U/en active Active
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