CN211008461U - Drill bit for unmanned pneumatic caisson excavation - Google Patents
Drill bit for unmanned pneumatic caisson excavation Download PDFInfo
- Publication number
- CN211008461U CN211008461U CN201921822843.4U CN201921822843U CN211008461U CN 211008461 U CN211008461 U CN 211008461U CN 201921822843 U CN201921822843 U CN 201921822843U CN 211008461 U CN211008461 U CN 211008461U
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- drill bit
- spiral
- blade
- blocks
- mosaic
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Abstract
The utility model discloses a drill bit for unmanned air pressure caisson excavation, which comprises at least five drill bit blades, wherein the drill bit blades are uniformly distributed on the circumference, and the circle center of the drill bit blades is a gathering point of the drill bit blades; the drill bit blade comprises a blade and a plurality of layers of spiral mosaic blocks, and the spiral mosaic blocks are arranged in a ladder way; a clamping cavity is formed between the blade and the nearest spiral mosaic block. The bottom blade of the drill bit with the structure can cut into soil from the bottom surface to ensure that the soil layer can be smoothly screwed up so as to complete the following soil body transfer work. The multilayer spiral mosaic blocks can ensure that the screwed soil is gradually transferred from the bottom layer and discharged, and meanwhile, when the blade is blocked when encountering stones or wood blocks in the soil body in the rotating process, the stones or the wood blocks are occluded through corresponding operation, and then the stones and the soil body are upwards transferred to the cleaning platform along the spiral mosaic blocks layer by layer to be cleaned.
Description
Technical Field
The utility model relates to an unmanned atmospheric pressure caisson construction field especially relates to a drill bit for unmanned atmospheric pressure caisson excavation.
Background
With the development of the construction business of the national traffic infrastructure, the large caisson foundation is increasingly widely applied, and the caisson excavation sinking method is also more and more emphasized. When the existing caisson is excavated and sunk, manual operation is difficult, the caisson construction efficiency is low, and the common caisson soil taking method can not meet the requirement of quickly taking soil from a large caisson. At present, the supporting condition of the caisson is remotely monitored in real time, the bottom cantilever excavator is adjusted and distributed, and the efficiency of caisson excavation operation is enhanced. When the geological environment is complicated, if stones or rotten wood blocks are doped in the soil body, the traditional unmanned excavation equipment needs to be matched with the stone crusher and the rotary arm cutter to complete the construction task, the requirements on construction equipment are increased, and when the traditional unmanned excavation equipment faces large stones, the working effect of the stone crusher is often poor, the construction efficiency is reduced, even the construction cannot be carried out, meanwhile, the construction risk is increased, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of prior art, provide a drill bit for unmanned atmospheric pressure caisson excavation, can effectively improve the efficiency of construction under the complicated geology excavation environment.
The utility model adopts the technical proposal that: a drill bit for unmanned pneumatic caisson excavation comprises at least five drill bit blades, wherein the drill bit blades are uniformly distributed on the circumference, and the circle center of the drill bit blades is a gathering point of the drill bit blades; the drill bit blade comprises a blade and a plurality of layers of spiral mosaic blocks, and the spiral mosaic blocks are arranged in a ladder way; a clamping cavity is formed between the blade and the nearest spiral mosaic block.
As a further improvement of the utility model, the drill blade comprises at least three layers of spiral mosaic blocks.
The utility model discloses a beneficial effect be: the bottom blade of the drill bit with the structure can cut into soil from the bottom surface to ensure that the soil layer can be smoothly screwed up so as to complete the following soil body transfer work. The multilayer spiral mosaic blocks can ensure that the screwed soil is gradually transferred from the bottom layer and discharged, and meanwhile, when the blade is blocked when encountering stones or wood blocks in the soil body in the rotating process, the stones or the wood blocks are occluded through corresponding operation, and then the stones and the soil body are upwards transferred to the cleaning platform along the spiral mosaic blocks layer by layer to be cleaned.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of a drill blade according to the present invention.
Figure 3 is the cooperation the utility model discloses a connecting piece schematic diagram of excavation equipment.
Shown in the figure: 1 drill bit blade, 2 clearance platforms, 3 screw connection spare, 4 blade connecting pieces, 11 blades, 12 spiral mosaic blocks.
Detailed Description
The present invention will be further described with reference to fig. 1 to 3.
As shown in the figure, the drill bit for unmanned pneumatic caisson excavation comprises at least five drill bit blades 1, wherein the drill bit blades 1 are uniformly distributed on the circumference, and the circle center of the drill bit blades 1 is a gathering point of the drill bit blades 1; the drill bit blade 1 comprises a blade 11 and a plurality of layers of spiral mosaic blocks 12, wherein the spiral mosaic blocks 12 are arranged in a ladder way; a clamping cavity is formed between the blade 11 and the nearest spiral insert 12.
The drill bit with a complete spiral structure is formed by 7 drill bit blades with the same specification, wherein each drill bit blade is formed by four layers from bottom to top by taking a circle center as an axis, the bottom layer of the structure is a blade, three layers of spiral embedded blocks are arranged above the blade, a connecting piece of matched excavation equipment is shown in figure 3, the connecting piece is provided with a spiral connecting piece 3 matched with a spiral embedded block 12 and a blade connecting piece 4 matched with a blade 11, and the upper part of the connecting piece is a cleaning platform 2. The structural design ensures that the bottom soil layer can be completely transferred to the upper cleaning platform 2, and the soil mass stones or rotten wood blocks can be crushed or transferred. The first layer of blades are used for cutting into soil from the bottom surface to ensure that the soil layer can be smoothly screwed up so as to complete the following soil body transfer work. Three layers of spiral mosaic blocks on the bottom layer are used: 1) and 2) when the first layer of blades are clamped by meeting stones or wood blocks embedded in soil during rotation, the ground operator regulates and controls the connecting equipment to enable the first layer of blades to gradually move backwards, then to rotate downwards, the operation is repeated, the blades are gradually drilled downwards to a certain depth, and then the spiral structure blocks of the second layer and the third layer are gradually adjusted, so that the whole excavating equipment can complete the work of meshing the stones or the wood blocks. And starting the machine to enable the stone blocks and the soil body to be upwards transferred to the cleaning platform to be cleaned 2 layer by layer along the spiral structure. If the soil body contains rotten wood blocks, the design of the first layer of blades and the spiral mosaic block structure completely meets the requirement of smashing the wood blocks through mechanical rotation. A clamping cavity is formed between the blade 11 and the nearest spiral mosaic block 12, and the three layers of spiral structural blocks are matched to finish the work.
The utility model discloses accomplish the rubble simultaneously, transport the effect of excavation soil body in the face of different geological conditions, avoided the loaded down with trivial details shortcoming of equipment among the traditional art, reduce work load to better overcome geological environment's influence. The utility model can play a positive role in both underwater excavation and urban construction, and can achieve the crushing effect especially in the case of complex geological environment, such as the existence of interference factors of stones, rotten wood blocks and the like in the soil body; to large-scale stone, the spiral structural design makes large-scale stone accomplish to transmit the top clearance platform, has avoided the risk that probably exists, and more succinct convenient to use.
The construction method comprises the following steps:
1. on-site preparation
The site layout should be according to the construction scheme, construction requirement and equipment construction demand rational arrangement water, electric wire way, the interim facility of construction, ground control room etc. notice the air compressor machine parking position, air supply line arranges etc.. And the reserve machinery reservation of the site construction machinery, an emergency generator and the like are considered.
And training mechanical equipment assembly control personnel and high-voltage operating personnel in advance.
2. Assembly of floor equipment
According to the construction demand, equipment unmanned excavation equipment, including bottom cutting edge position equipment, spiral mosaic structure equipment.
3. The caisson can be manufactured for multiple times according to construction requirements, and sinks for multiple times, and the bottom caisson foundation sinks to be accurately placed on the cleaning platform according to the arrangement of excavation equipment. When the bottom plate is manufactured, related embedded parts and embedded pipeline arrangement need to be considered.
4. And after the bottom plate is manufactured, the bottom caisson is placed, and then the working chamber and the construction equipment on the bottom plate are installed.
5. The construction equipment on the bottom plate mainly includes: automatic excavator, belt conveyor, personnel advance to go out the tower, and the material advances to go out tower and equipment such as illumination in the studio, communication, control. And meanwhile, a water level observation well is required to be drilled on site to observe the change condition of the underground water level.
6. Sinking the caisson for the first time, inserting the equipment blade into the undisturbed soil for 1-2 m, charging air pressure into the working chamber, and beginning unmanned air pressure sinking construction
7. The air pressure in the caisson working chamber is limited by the external water pressure at the balance cleaning platform, and can be slightly higher than the corresponding interface, so that the requirements of normal operation of soil excavation and the like are met.
8. And (3) the caisson is unearthed, the spiral excavation equipment is started, ground constructors perform monitoring and camera shooting according to a working room, the forms of the excavation equipment for processing different conditions are correspondingly adjusted, the normal operation of the construction process is ensured, the automatic excavator on the cleaning platform automatically unearthes in the form of a belt conveyor, and the ground constructors above perform the final soil body transportation processing. The unearthing process does not need frequent inflation and deflation processes, and the construction efficiency and the construction environment safety and the operation convenience of constructors are improved. The material tower crane bucket unearthing mode can be used as a standby measure.
9. And (3) a bottom sealing construction step, namely, excavating equipment below the ground operator is lifted axially, the air pressure of a working chamber is controlled during the period, the air pressure inside and outside the working chamber is balanced, the device is ensured to be pulled up smoothly, then the platform is inwards moved to the center according to the blocks of the spiral structures of the corresponding parts and is pulled up together with the excavation setting, the caisson foundation is fixed during the period, and the pressure in different directions can be applied by the jacks to control the posture of the caisson. After the excavation equipment and the cleaning platform components are completely removed, directly pouring concrete into the working chamber by using a pump truck until the concrete is full of the whole working chamber space, and after the bottom sealing concrete reaches the strength, performing pressure injection cement paste treatment on gaps between the bottom plates.
10. Studio equipment maintenance and repair
The construction equipment in the studio needs personnel to observe the equipment operation condition through the supervisory equipment in the work progress, if there is needs, needs the staff to enter into the high atmospheric pressure environment in the studio through personnel business turn over tower and maintains the maintenance. And the operators still go out of the cabin through the personnel tower according to the specified procedures after the operation is finished.
11. Safety of high-pressure operation
In order to ensure the safety of high-pressure operators, relevant personnel need to be trained professionally and reserve relevant doctors on site. When the operating personnel enter and exit the tower and enter and exit the high-pressure operating environment, the body is treated strictly according to relevant regulations. And a movable decompression chamber is required to be equipped for emergency standby on site.
12. Problems of advanced manufacture and installation of devices
The equipment with different construction requirements needs to be manufactured in advance and installed on site so as to meet the requirements of dismantling and recycling the unmanned excavation equipment in the bottom sealing construction step and cleaning the platform.
It should be known to those skilled in the art that the protection scheme of the present invention is not limited to the above-mentioned embodiments, and various permutations, combinations and transformations can be performed on the basis of the above-mentioned embodiments, without violating the spirit of the present invention, all the transformations performed by the present invention fall within the protection scope of the present invention.
Claims (2)
1. A drill bit for unmanned air pressure caisson excavation is characterized by comprising at least five drill bit blades (1), wherein the drill bit blades (1) are uniformly distributed on the circumference, and the circle center of the drill bit blades (1) is a gathering point of the drill bit blades (1); the drill bit blade (1) comprises a blade (11) and a plurality of layers of spiral mosaic blocks (12), wherein the spiral mosaic blocks (12) are arranged in a ladder way; a clamping cavity is formed between the blade (11) and the nearest spiral mosaic block (12).
2. A drill bit for unmanned air caisson excavation according to claim 1, characterized in that the drill bit blade (1) comprises at least three layers of helical mosaic blocks (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822843.4U CN211008461U (en) | 2019-10-28 | 2019-10-28 | Drill bit for unmanned pneumatic caisson excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921822843.4U CN211008461U (en) | 2019-10-28 | 2019-10-28 | Drill bit for unmanned pneumatic caisson excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008461U true CN211008461U (en) | 2020-07-14 |
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ID=71476918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921822843.4U Expired - Fee Related CN211008461U (en) | 2019-10-28 | 2019-10-28 | Drill bit for unmanned pneumatic caisson excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211008461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888977A (en) * | 2022-05-09 | 2022-08-12 | 黑龙江省水利水电集团有限公司 | Drilling device for crushing large stone blocks in road construction |
-
2019
- 2019-10-28 CN CN201921822843.4U patent/CN211008461U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888977A (en) * | 2022-05-09 | 2022-08-12 | 黑龙江省水利水电集团有限公司 | Drilling device for crushing large stone blocks in road construction |
| CN114888977B (en) * | 2022-05-09 | 2024-04-05 | 黑龙江省水利水电集团有限公司 | Drilling device for large stone block broken stone in road construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20211028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |