CN219974406U - Rotary drilling bit with stronger complex geological adaptability - Google Patents
Rotary drilling bit with stronger complex geological adaptability Download PDFInfo
- Publication number
- CN219974406U CN219974406U CN202321123905.9U CN202321123905U CN219974406U CN 219974406 U CN219974406 U CN 219974406U CN 202321123905 U CN202321123905 U CN 202321123905U CN 219974406 U CN219974406 U CN 219974406U
- Authority
- CN
- China
- Prior art keywords
- drilling tool
- sleeve
- rotary drilling
- bit
- spiral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 83
- 230000003044 adaptive effect Effects 0.000 claims 2
- 239000002689 soil Substances 0.000 description 12
- 239000004576 sand Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 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
- -1 bei Keceng Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a rotary drilling bit with stronger complex geological adaptability, which relates to the technical field of rotary drilling rigs and comprises a rotary drilling tool, a through hole, a sleeve, a spiral bit and an ejection mechanism.
Description
Technical Field
The utility model relates to the technical field of rotary drilling rigs, in particular to a rotary drilling bit with stronger complex geological adaptability.
Background
The rotary drilling rig is a construction machine suitable for pore-forming operation in building foundation engineering, is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like, and has wide application in foundation construction of various foundations such as pouring columns, conjoined walls, foundation reinforcement and the like.
The common drilling tools are as follows: sha Zuantou, core bit, spiral bit, roller bit, bottom expanding bit, clear bit, soil squeezing bit, etc.
However, when complex operations are performed, such as complex geology including loess, powdery clay, coarse sand, pebble and the like in the pile body range, the conventional rotary drilling rig needs to frequently replace drill bits suitable for different geology, and cannot perform hole forming to the designed depth once.
Disclosure of Invention
Aiming at the problems, the utility model provides the rotary drilling bit with stronger complex geology adaptability, the automatic ejection operation can be realized in the downward movement process of the bit through the ejection mechanism, the ejected spiral bit rotates along with the rotary drilling tool, the high-efficiency drilling operation is carried out on the hard pebble stratum, and the rotary drilling bit is matched with the conventional rotary drilling tool to work for complex geology.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a complicated geology adaptability is stronger dig drill bit soon, dig drilling tool soon, the opening, the sleeve pipe, auger bit and ejection mechanism including dig the drilling tool soon, the opening has been seted up to the dipper door central point of dig drilling tool soon, sleeve pipe first end links firmly with dig drilling tool soon up end, the sleeve pipe is in dig drilling tool soon inboard, the sleeve pipe second end is corresponding with the opening, auger bit sliding connection is in the sleeve pipe, auger bit follows sleeve pipe axial sliding, auger bit can pass through the opening, ejection mechanism is connected with auger bit, ejection mechanism is used for driving auger bit slip ejection.
Further, ejection mechanism includes two bracing pieces, two interlock poles, two pushing blocks and two connecting rods, two bracing pieces link firmly respectively in the both sides of digging the drilling tool soon, the bracing piece is in dig the drilling tool soon inboard, two interlock poles and two bracing pieces one-to-one, the slide column has all been linked firmly at interlock pole both ends, two pushing blocks sliding connection respectively in dig the both sides of drilling tool section of thick bamboo wall soon, the pushing block slides along the sleeve pipe axial, first spout has been seted up on the pushing block, corresponding slide column slides in first spout, two connecting rods link firmly respectively in the both sides of auger bit, the second spout has been seted up on the connecting rod, corresponding slide column slides in the second spout, the straight flute that supplies the connecting rod motion has all been seted up to the sleeve pipe both sides.
Further, a rectangular column is coaxially and fixedly connected in the sleeve, and the spiral drill sleeve is sleeved on the rectangular column to slide.
Further, the limiting plate is fixedly connected in the sleeve, the spiral drill bit penetrates through the limiting plate, the spiral drill bit is in sliding connection with the limiting plate, and a reset spring is arranged between the limiting plate and the connecting rod.
Further, the outside inclined plane of the pushing block is arranged.
The beneficial effects of the utility model are as follows: according to the utility model, through the spiral drill bit which is arranged in a sliding manner, when the spiral drilling tool is used for piling operation, the practicability of the traditional spiral drilling tool can be improved, the spiral drilling tool is suitable for complex terrains such as hard soil layers, sand gravel layers and strong weathered terrains, when the complex terrains are handled, the drilling tool is not required to be replaced again, one-time pore-forming operation can be realized, through the arranged ejection mechanism, automatic ejection operation can be realized in the downward movement process of the drilling tool, the ejected spiral drilling tool rotates along with the spiral drilling tool, high-efficiency drilling operation is carried out on the hard pebble stratum, and the spiral drilling tool can be matched with the traditional spiral drilling tool to handle relatively complex terrains.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the internal structure of the rotary drilling tool according to the present utility model.
Fig. 3 is a schematic view of an ejection mechanism according to the present utility model.
Fig. 4 is a schematic view of the position of the limiting plate according to the present utility model.
Reference numerals: 1. rotary drilling tool; 2. a through port; 3. a sleeve; 4. a helical drill; 5. an ejection mechanism; 51. a support rod; 52. a linkage rod; 53. a spool; 54. a pushing block; 55. a first chute; 56. a connecting rod; 57. a second chute; 58. a straight groove; 6. rectangular columns; 7. a limiting plate; 8. and a return spring.
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.
As shown in fig. 1-4, the rotary drilling bit with stronger complex geological adaptability provided by the embodiment comprises a rotary drilling tool 1, a through hole 2, a sleeve 3, a spiral drilling bit 4 and an ejection mechanism 5, wherein the through hole 2 is formed in the center of a hopper door of the rotary drilling tool 1, the first end of the sleeve 3 is fixedly connected with the upper end face of the rotary drilling tool 1, the sleeve 3 is positioned on the inner side of the rotary drilling tool 1, the second end of the sleeve 3 corresponds to the through hole 2, the spiral drilling bit 4 is slidably connected in the sleeve 3, the spiral drilling bit 4 axially slides along the sleeve 3, the spiral drilling bit 4 can penetrate through the through hole 2, the ejection mechanism 5 is connected with the spiral drilling bit 4, and the ejection mechanism 5 is used for driving the spiral drilling bit 4 to slidably eject.
According to the utility model, through the spiral drill bit 4 which is arranged in a sliding manner, when the rotary drilling tool 1 is used for piling, the practicability of the traditional rotary drilling tool 1 can be improved, the spiral drill bit 4 is suitable for complex terrains such as hard soil layers, sand-gravel layers and strong weathered terrains, when the complex terrains are handled, the drilling tool is not required to be replaced again, one-time pore-forming operation can be realized, through the ejection mechanism 5, automatic ejection operation can be realized in the downward movement process of the drill bit, the ejected spiral drill bit 4 rotates along with the rotary drilling tool 1, high-efficiency drilling operation is carried out on the hard pebble stratum, and the spiral drilling tool can be used for handling complex geology by being matched with the traditional rotary drilling tool 1.
In the embodiment, the utility model is improved on the traditional sand fishing drilling tool, and the traditional sand fishing drilling tool can cope with complex terrains such as sandy soil layers, silt clay, compact clay, bei Keceng, iron plate sand and the like with higher water content and can be properly combined with the spiral drilling tool with high crushing effect.
Specifically, as shown in fig. 2-4, the ejection mechanism 5 includes two support rods 51, two linkage rods 52, two pushing blocks 54 and two connecting rods 56, the two support rods 51 are respectively and fixedly connected to two sides of the rotary drilling tool 1, the support rods 51 are located at the inner side of the rotary drilling tool 1, the two linkage rods 52 are in one-to-one correspondence with the two support rods 51, sliding columns 53 are fixedly connected to two ends of the linkage rods 52, the two pushing blocks 54 are respectively and slidably connected to two sides of the wall of the rotary drilling tool 1, the pushing blocks 54 axially slide along the casing 3, a first sliding groove 55 is formed in each pushing block 54, the corresponding sliding columns 53 slide in the first sliding groove 55, the two connecting rods 56 are respectively and fixedly connected to two sides of the spiral drilling tool 4, a second sliding groove 57 is formed in each connecting rod 56, and straight grooves 58 for the movement of the connecting rods 56 are formed in two sides of the casing 3.
In the above embodiment, in the process of rotating and moving down the rotary drilling tool 1, the pushing blocks 54 on both sides are in contact with the soil layer on the wall of the hole, and as the pushing blocks 54 are located on the outer side of the wall of the rotary drilling tool 1, the soil layer acts on the pushing blocks 54 to enable the pushing blocks 54 to slide upwards on the wall of the rotary drilling tool 1, at this time, the corresponding sliding columns 53 slide in the first sliding grooves 55, the pushing blocks 54 drive the linkage rod 52 to rotate, the sliding columns 53 on the other side of the linkage rod 52 slide in the second sliding grooves 57 of the connecting rod 56, and then the connecting rod 56 and the spiral drill bit 4 are pressed down, so that the spiral drill bit 4 moves down to be ejected from the through hole 2 and rotates along with the rotary drilling tool 1.
Specifically, as shown in fig. 4, a rectangular column 6 is coaxially and fixedly connected in the sleeve 3, and the spiral drill bit 4 is sleeved on the rectangular column 6 to slide.
In the above embodiment, the rectangular column 6 realizes the sliding connection of the auger bit 4, and can drive the auger bit 4 to synchronously rotate along with the rotary drilling tool 1.
Specifically, as shown in fig. 4, a limiting plate 7 is fixedly connected in the sleeve 3, the spiral drill bit 4 penetrates through the limiting plate 7, the spiral drill bit 4 is slidably connected with the limiting plate 7, and a return spring 8 is arranged between the limiting plate 7 and the connecting rod 56.
In the above embodiment, the limiting plate 7 and the return spring 8 make the screw drill 4 have an automatic return effect, and when the rotary drilling tool 1 is taken out, the screw drill 4 is retracted into the sleeve due to the elastic force of the return spring 8.
Specifically, as shown in fig. 3, the outside inclined surface of the push block 54 is provided.
In the above embodiment, the pushing block 54 provided with the inclined surface can not only contact with the hole wall, but also prevent the hole wall from being damaged.
The working principle of the utility model is as follows: when piling, the rotary drilling tool 1 rotates and enters the stratum, when the stratum is contacted with the pushing blocks 54 at two sides, the pushing blocks 54 move upwards relative to the rotary drilling tool 1, the pushing blocks 54 drive the linkage rods 52 to rotate, corresponding sliding columns 53 slide in the first sliding grooves 55 at the moment, the linkage rods 52 rotate to press down the connecting rods 56, the corresponding sliding columns 53 slide in the second sliding grooves 57 at the moment, the connecting rods 56 move down to drive the spiral drilling tool 4 to move down and extend out of the through holes 2, the reset springs 8 are in a compressed state, the spiral drilling tool 4 breaks complex terrains such as hard soil layers, sand-egg sand layers and strong weathered rock layers, at the moment, the crushed soil part enters the sleeve 3, and then is discharged to the inner side of the rotary drilling tool 1 through the straight grooves 58 at two sides of the sleeve.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.
Claims (5)
1. The utility model provides a complicated geology adaptability is stronger digs drill bit soon, includes digs drilling tool (1) soon, its characterized in that still includes:
a through hole (2) is formed in the center of the bucket gate of the rotary drilling tool (1);
the first end of the sleeve (3) is fixedly connected with the upper end face of the rotary drilling tool (1), the sleeve (3) is positioned at the inner side of the rotary drilling tool (1), and the second end of the sleeve (3) corresponds to the through hole (2);
the spiral drill bit (4) is connected in the sleeve (3) in a sliding manner, the spiral drill bit (4) axially slides along the sleeve (3), and the spiral drill bit (4) can penetrate through the through hole (2);
the ejection mechanism (5) is connected with the spiral drill bit (4), and the ejection mechanism (5) is used for driving the spiral drill bit (4) to slide and eject.
2. A more complex geology adaptive rotary drill bit according to claim 1, characterized in that the ejection mechanism (5) comprises:
the two support rods (51) are respectively and fixedly connected to two sides of the rotary drilling tool (1), and the support rods (51) are positioned at the inner side of the rotary drilling tool (1);
the two linkage rods (52) are in one-to-one correspondence with the two support rods (51), and sliding columns (53) are fixedly connected to two ends of each linkage rod (52);
the two pushing blocks (54) are respectively connected to the two sides of the wall of the rotary drilling tool (1) in a sliding manner, the pushing blocks (54) axially slide along the sleeve (3), a first sliding groove (55) is formed in each pushing block (54), and the corresponding sliding column (53) slides in the corresponding first sliding groove (55);
the two connecting rods (56) are respectively fixedly connected to two sides of the spiral drill bit (4), a second sliding groove (57) is formed in each connecting rod (56), and the corresponding sliding column (53) slides in each second sliding groove (57);
straight grooves (58) for the connecting rod (56) to move are formed in two sides of the sleeve (3).
3. The rotary drilling bit with stronger complex geological adaptability according to claim 1 is characterized in that a rectangular column (6) is coaxially and fixedly connected in the sleeve (3), and the spiral drilling bit (4) is sleeved on the rectangular column (6) to slide.
4. The rotary drilling bit with stronger complex geological adaptability according to claim 2, characterized in that a limiting plate (7) is fixedly connected in the sleeve (3), the spiral drilling bit (4) penetrates through the limiting plate (7), the spiral drilling bit (4) is in sliding connection with the limiting plate (7), and a reset spring (8) is arranged between the limiting plate (7) and the connecting rod (56).
5. A more complex geology adaptive rotary drill bit according to claim 2, characterized in that the push block (54) is provided with an outboard bevel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321123905.9U CN219974406U (en) | 2023-05-11 | 2023-05-11 | Rotary drilling bit with stronger complex geological adaptability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321123905.9U CN219974406U (en) | 2023-05-11 | 2023-05-11 | Rotary drilling bit with stronger complex geological adaptability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974406U true CN219974406U (en) | 2023-11-07 |
Family
ID=88597291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321123905.9U Active CN219974406U (en) | 2023-05-11 | 2023-05-11 | Rotary drilling bit with stronger complex geological adaptability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974406U (en) |
-
2023
- 2023-05-11 CN CN202321123905.9U patent/CN219974406U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205638237U (en) | Rock -entering tamps drill bit | |
| CN219974406U (en) | Rotary drilling bit with stronger complex geological adaptability | |
| FI76865C (en) | FOERFARANDE OCH ANORDNING FOER BORRNING AV DJUPA HAOL I BERG ELLER LIKNANDE. | |
| CN112179702B (en) | Fixed point coal sample taking device | |
| CN206090565U (en) | Concrete pile's construction equipment | |
| US5431238A (en) | Drilling tool for use in constructing large diameter piles, ventilating shafts and other similar mining works | |
| CN217897802U (en) | Efficient rotary excavator drill bucket | |
| CN116291471A (en) | Construction method and tunneling equipment for large-diameter vertical shaft of upper soft and lower hard stratum | |
| AU2008100106A4 (en) | Drills for piles | |
| CN215949409U (en) | Rope coring drilling tool suitable for ocean drilling | |
| CN212614488U (en) | Special rotary drilling equipment for deep concrete block and gravel layer | |
| CN213627445U (en) | Special drilling tool is dug soon to gravel-containing coarse sandstone | |
| CN112112590A (en) | Rope coring drilling tool suitable for ocean drilling and process method | |
| CN2298338Y (en) | Drilling for construction in clayed layer large tube shed | |
| CN112377093A (en) | Relates to a rotary drilling construction method for deep concrete blocks and gravel layers and special rotary drilling equipment | |
| CN115266199B (en) | Petroleum geological exploration sampling device and method | |
| CN213898914U (en) | Drill bit for rotary drilling of viscous soil layer | |
| CN213775253U (en) | Spiral drill bucket | |
| AU2008200540B2 (en) | Drills for piles | |
| CN213510493U (en) | Drill bit connecting structure for CFG pile drilling machine | |
| CN217001677U (en) | Cylindrical drill for karst cave crossing | |
| CN117605405B (en) | Multi-power head combined multifunctional drilling machine | |
| CN213807568U (en) | Novel rock drill barrel with replaceable inner barrel | |
| CN212958465U (en) | Reaming device of rotary drilling rig | |
| CN115030677B (en) | Down-the-hole drill bit salvaging equipment and salvaging method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |