CN203978287U - A kind ofly can unload fast native drilling bit of rotary-digging drilling rig - Google Patents
A kind ofly can unload fast native drilling bit of rotary-digging drilling rig Download PDFInfo
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- CN203978287U CN203978287U CN201420402081.3U CN201420402081U CN203978287U CN 203978287 U CN203978287 U CN 203978287U CN 201420402081 U CN201420402081 U CN 201420402081U CN 203978287 U CN203978287 U CN 203978287U
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Abstract
The utility model discloses and a kind ofly can unload fast native Spiral digging machine drill bit, be mainly used in the construction of major diameter engineering pile pile hole operation, belong to building foundation engineering mechanical field.It is characterized in that: auxiliary soil-discharging device is set drill bit box hat 10 is interior.Comprise soil extruding steel plate 1 and soil compaction connecting rod 2, the top of soil compaction connecting rod 2 is provided with cushion pad 4, soil compaction connecting rod 2 bottoms and soil extruding steel plate 1 are hinged by rotating shaft 12, in cushion pad 4 bottoms, through soil compaction connecting rod 2, be provided with limit spring 3, soil extruding steel plate 1 is provided with for opening connecting rod 9 tie rod holes 14 of passing and the earth discharging hole not of uniform size 13 that can allow dregs pass.When this drill bit can effectively prevent that rotary drilling rig from working and unloading native operation under cohesive soil environment, owing to combining closely between drill bit box hat inwall and cohesive soil, producing excessive cohesion causes dregs to be difficult for discharging drill bit, thereby raising efficiency of construction, saves human and material resources and financial resources.
Description
Technical field
The utility model belongs to building foundation engineering mechanical field, relates to a kind ofly unloading fast native drilling bit of rotary-digging drilling rig, can effectively cohesive soil be discharged fast from drill bit the inside low noise, thereby improve efficiency of construction.
Background technology
At present, in the major diameter engineering pile piles such as foundation of civil work engineering, bridge engineering and Support of Foundation Pit Excavation, rotary drilling rig with its construction have efficiently, low noise, environmental protection, the plurality of advantages such as speed of fulfiling hole is fast, mechanization degree is high, easy to operate, comfortable, on-the-spot displacement is convenient and be used widely.And the main pore-forming accessory of rotary drilling rig is drilling bit of rotary-digging drilling rig, whether the design of drill bit structure is excellent, determined that can rig give full play to function.The form of China's drilling bit of rotary-digging drilling rig is to come from external sand hopper, bucket and the citation form such as spiral at first, in order to adapt to the needs on domestic construction stratum, has occurred again afterwards the green bit that some are multi-form.But because China region is wide, geological condition is complicated and changeable, and cohesive soil is widely distributed, operation under stickiness soil layer environment, drill bit is dug in general revolving can face the situation that the dregs of drill bit the inside is discharged smoothly of being difficult in native unloading.If the cohesion of cohesive soil is enough large, need to spend a large amount of time, and coordinate manually, the dregs of its inside could be discharged, so not only reduce efficiency of construction and the application life of rotary drilling rig, but also can aggravate the noise pollution to surrounding enviroment generation.Therefore, in order can efficiently dregs being discharged in drill bit very rapidly, to improve the efficiency that rotary drilling rig unloads soil and rig, to have extended its application life and reduce noise pollution, be necessary drill bit to improve.
Summary of the invention
In order to address the above problem, the utility model provides a kind of can unload native drilling bit of rotary-digging drilling rig fast, while preventing that rotary drilling rig from working and unloading native operation under cohesive soil environment, owing to combining closely between drill bit box hat inwall and cohesive soil, producing excessive cohesion causes dregs to be difficult for discharging drill bit, thereby raising efficiency of construction, saves human and material resources and financial resources.
The technical solution of the utility model is: a kind ofly can unload fast native drilling bit of rotary-digging drilling rig, open connecting rod through drill bit box hat, by pivot link, be connected with drill bit bottom, drill bit bottom below connects bores tooth, drill bit bottom is connected by bottom rotating shaft with drill bit box hat, it is characterized in that: auxiliary soil-discharging device is set in drill bit box hat.
The structure of described auxiliary soil-discharging device is: comprise soil extruding steel plate and soil compaction connecting rod, the top of soil compaction connecting rod is provided with cushion pad, soil compaction connecting rod bottom and soil extruding steel plate are hinged by rotating shaft, in cushion pad bottom, through soil compaction connecting rod, be provided with limit spring, soil extruding steel plate is provided with for opening the connecting rod tie rod holes of passing and the earth discharging hole not of uniform size that can allow dregs pass.
Described soil compaction connecting rod is arranged near drill bit box hat, relative with the position that starts connecting rod.
The Length Ratio unlatching connecting rod that described soil compaction connecting rod stretches out outside drill bit box hat stretches out the little 200～300mm of length outside drill bit box hat.
Described soil extruding steel plate is circle or rectangle, and when adopting soil extruding steel plate to be rectangle, the external diameter of a circle of soil extruding steel plate is less than the internal diameter of drill bit box hat.
Described limit spring is high rigid spring, should guarantee that soil extruding steel plate can return to initial position, and making soil compaction connecting rod stretch out Length Ratio outside drill bit box hat, to open the length that connecting rod stretches out outside drill bit box hat little.
Described cushion pad is high-quality rubber pad.
The utility model beneficial effect passes through application attestation: 1. this drilling bit of rotary-digging drilling rig is applicable to multiple geological environment, is especially plastic cohesive soil under soft-plastic state; 2. when rotary drilling rig unloads native job execution, without artificial help, just the dregs of drill bit the inside can be discharged rapidly efficiently, save manpower, financial resources and material resources; 3. can reduce greatly while unloading soil, the number of revolutions of drilling machine drilling rod, reduces the fatigue failure of drilling rod, extends the application life of rotary drilling rig at every turn; .4. reduce and unload the soil time, and improve the efficiency of construction of rotary drilling rig, reduce hand labor intensity, reduce noise pollution and the life impact on periphery resident that construction produces.
Accompanying drawing explanation
Fig. 1 is drilling bit of rotary-digging drilling rig schematic diagram of the present utility model.
Fig. 2 is soil extruding steel plate sectional drawing in drilling bit of rotary-digging drilling rig of the present utility model.
Fig. 3 is circular soil extruding steel plate plan view in drilling bit of rotary-digging drilling rig of the present utility model.
Fig. 4 is rectangle soil extruding steel plate plan view in drilling bit of rotary-digging drilling rig of the present utility model.
In figure: 1-soil extruding steel plate, 2-soil compaction connecting rod, 3-limit spring, 4-cushion pad, the rotating shaft of 5-bottom, 6-bore tooth, 7-drill bit bottom, 8-pivot link, 9-unlatching connecting rod, 10-drill bit box hat, 11-dregs, 12-rotating shaft, 13-earth discharging hole, 14-tie rod holes.
The specific embodiment
Below by drawings and Examples, the utility model is described in further detail, but protection domain of the present utility model is not limited to described content.
embodiment 1:
As shown in accompanying drawing 1,2,3, a kind ofly can unload fast native drilling bit of rotary-digging drilling rig, whole cylindrical, open connecting rod 9 through drill bit box hat 10, by pivot link 8, be connected with drill bit bottom 7, drill bit bottom 7 belows connect bores tooth 6, and drill bit bottom 7 is connected by bottom rotating shaft 5 with drill bit box hat 10.Soil extruding steel plate 1 and soil compaction connecting rod 2 have formed auxiliary soil-discharging device, and auxiliary soil-discharging device is arranged in drill bit box hat 10.Soil compaction connecting rod 2 is a steel pole, soil compaction connecting rod 2 is arranged near drill bit box hat 10, relative with the position that starts connecting rod 9, play the effect of power transmission and location, the top of soil compaction connecting rod 2 is provided with cushion pad 4, cushion pad is high-quality rubber pad, and the bottom of soil compaction connecting rod 2 and soil extruding steel plate 1 are hinged by rotating shaft 12, and the length of soil compaction connecting rod 2 can be dug the length of drill bit and practice of construction and requires specifically to determine according to being revolved.In cushion pad 4 bottoms, through soil compaction connecting rod 2, be provided with limit spring 3, the rigidity of limit spring 3 and length can specifically be determined according to the weight of soil extruding steel plate 1, guarantee that the Length Ratio unlatching connecting rod 9 that soil compaction connecting rod 2 stretches out outside drill bit box hat 10 stretches out the little 200mm of length outside drill bit box hat 10, so just, in the time of can guaranteeing that rotary drilling rig unloads native operation, first start and open connecting rod 9, and then start soil compaction connecting rod 2.Soil extruding steel plate 1 is circular, and soil extruding steel plate 1 is provided with for opening connecting rod 9 tie rod holes 14 of passing and the earth discharging hole not of uniform size 13 that can allow dregs pass, to prevent that the dregs 11 of soil extruding steel plate 1 bottom is extruded to obtain overstocked and difficult discharge.When rotary drilling rig unloads native operation, first by opening connecting rod 9, open drill bit bottom 8 with pivot link 8, unload in advance soil, and then press soil compaction connecting rod 2 by soil extruding steel plate 1 extruding dregs 11, add quick shake and the whipping of drilling rod, acting in conjunction is discharged dregs 11 outside drill bit simultaneously.
When revolving and digging pile driving construction, first at the point of appointment, bury casing underground, then rig is in place, starts pore-forming.During pore-forming, first unclamp rig master winch, reversion release drilling rod, drilling rod drives drill bit down at the bottom of hole, forward drilling rod then, the operation of fetching earth.When completing, once fetch earth after operation, the release of reversion drilling rod, starts master winch and unit head, by telescopic drill rod, the drill bit that carries full dregs is promoted to aperture and unloads soil.
At rotary drilling rig, carry out rig drill bit is proposed from boring, while unloading native operation.By the first pressing opening connecting rod 9 of the unit head on rotary drilling rig, open connecting rod 9 and drive pivot link 8 motions, thereby make drill bit bottom 7 from unclamping with contacting of pivot link 8 Xie Chu that stumbles, around bottom rotating shaft 5 upsets, open downwards, the dregs of drill bit the inside down moves and just can discharge outside drill bit by self gravitation, unloads in advance soil.Then unit head recompression soil compaction connecting rod 2, and soil compaction connecting rod drives the dregs in the downward Pressing drill of soil extruding steel plate 1, under the effect of soil extruding steel plate 1, outside the discharge drill bit that the dregs under soil extruding steel plate 1 just can be very fast.Complete and unload after soil, by telescopic drill rod decline drill bit, to earth's surface, forward drilling rod closes drill bit bottom 7, and in drill bit, soil extruding steel plate, under the effect of limit spring, turns back to initial rest position.Rotary drilling rig just can carry out the operation of fetching earth of a new round like this.
embodiment 2:
As shown in accompanying drawing 1,2,4, a kind ofly can unload fast native drilling bit of rotary-digging drilling rig, whole cylindrical, open connecting rod 9 through drill bit box hat 10, by pivot link 8, be connected with drill bit bottom 7, drill bit bottom 7 belows connect bores tooth 6, and drill bit bottom 7 is connected by bottom rotating shaft 5 with drill bit box hat 10.Soil extruding steel plate 1 and soil compaction connecting rod 2 have formed auxiliary soil-discharging device, and auxiliary soil-discharging device is arranged in drill bit box hat 10.Soil compaction connecting rod 2 is a steel pole, soil compaction connecting rod 2 is arranged near drill bit box hat 10, relative with the position that starts connecting rod 9, play the effect of power transmission and location, the top of soil compaction connecting rod 2 is provided with cushion pad 4, cushion pad is high-quality rubber pad, and the bottom of soil compaction connecting rod 2 and soil extruding steel plate 1 are hinged by rotating shaft 12, and the length of soil compaction connecting rod 2 can be dug the length of drill bit and practice of construction and requires specifically to determine according to being revolved.In cushion pad 4 bottoms, through soil compaction connecting rod 2, be provided with limit spring 3, the rigidity of limit spring 3 and length can specifically be determined according to the weight of soil extruding steel plate 1, guarantee that the Length Ratio unlatching connecting rod 9 that soil compaction connecting rod 2 stretches out outside drill bit box hat 10 stretches out the little 300mm of length outside drill bit box hat 10, so just, in the time of can guaranteeing that rotary drilling rig unloads native operation, first start and open connecting rod 9, and then start soil compaction connecting rod 2.Soil extruding steel plate 1 is rectangle, the external diameter of a circle of soil extruding steel plate 1 is less than the internal diameter of drill bit box hat 10, soil extruding steel plate 1 is provided with for opening connecting rod 9 tie rod holes 14 of passing and the earth discharging hole not of uniform size 13 that can allow dregs pass, to prevent that the dregs 11 of soil extruding steel plate 1 bottom is extruded to obtain overstocked and difficult discharge.When rotary drilling rig unloads native operation, first by opening connecting rod 9, open drill bit bottom 8 with pivot link 8, unload in advance soil, and then press soil compaction connecting rod 2 by soil extruding steel plate 1 extruding dregs 11, add quick shake and the whipping of drilling rod, acting in conjunction is discharged dregs 11 outside drill bit simultaneously.
When revolving and digging pile driving construction, first at the point of appointment, bury casing underground, then rig is in place, starts pore-forming.During pore-forming, first unclamp rig master winch, reversion release drilling rod, drilling rod drives drill bit down at the bottom of hole, forward drilling rod then, the operation of fetching earth.When completing, once fetch earth after operation, the release of reversion drilling rod, starts master winch and unit head, by telescopic drill rod, the drill bit that carries full dregs is promoted to aperture and unloads soil.
At rotary drilling rig, carry out rig drill bit is proposed from boring, while unloading native operation.By the first pressing opening connecting rod 9 of the unit head on rotary drilling rig, open connecting rod 9 and drive pivot link 8 motions, thereby make drill bit bottom 7 from unclamping with contacting of pivot link 8 Xie Chu that stumbles, around bottom rotating shaft 5 upsets, open downwards, the dregs of drill bit the inside down moves and just can discharge outside drill bit by self gravitation, unloads in advance soil.Then unit head recompression soil compaction connecting rod 2, and soil compaction connecting rod drives the dregs in the downward Pressing drill of soil extruding steel plate 1, under the effect of soil extruding steel plate 1, outside the discharge drill bit that the dregs under soil extruding steel plate 1 just can be very fast.Complete and unload after soil, by telescopic drill rod decline drill bit, to earth's surface, forward drilling rod closes drill bit bottom 7, and in drill bit, soil extruding steel plate, under the effect of limit spring, turns back to initial rest position.Rotary drilling rig just can carry out the operation of fetching earth of a new round like this.
In the above-described embodiments, use when the rotary drilling rig that can unload fast native drilling bit of rotary-digging drilling rig being housed constructing, key step is as follows:
1. according to Geological condition and engineering design requirement, determine and revolve the construction parameter that digs stake;
2. according to revolving the construction parameter that digs stake, select suitable rotary drilling rig, and the size of definite drill bit of drilling machine;
3. according to practice of construction situation, select auxiliary soil-discharging device, and the length of definite soil compaction connecting rod 1, the size and dimension of the length of limit spring 3 and rigidity and soil extruding steel plate 1;
4. the sinking drilling bit of rotary-digging drilling rig operation of fetching earth;
5. promote drill bit of drilling machine and unload native operation, while unloading soil, pass through flexible borer drill rod, first start and open connecting rod 9, by pivot link 8, open drill bit bottom 7, unload in advance soil, and then start soil compaction connecting rod 2 extruding soil extruding steel plates 1, by assisting of soil extruding steel plate 1, just dregs 11 can be discharged outside drill bit rapidly.
Claims (7)
1. one kind can be unloaded native drilling bit of rotary-digging drilling rig fast, open connecting rod (9) through drill bit box hat (10), by pivot link (8), be connected with drill bit bottom (7), drill bit bottom (7) below connects bores tooth (6), drill bit bottom (7) is connected by bottom rotating shaft (5) with drill bit box hat (10), it is characterized in that: in drill bit box hat (10), auxiliary soil-discharging device is set.
2. according to claim 1ly can unload fast native drilling bit of rotary-digging drilling rig, it is characterized in that: the structure of described auxiliary soil-discharging device is: comprise soil extruding steel plate (1) and soil compaction connecting rod (2), the top of soil compaction connecting rod (2) is provided with cushion pad (4), soil compaction connecting rod (2) bottom and soil extruding steel plate (1) are hinged by rotating shaft (12), in cushion pad (4) bottom, through soil compaction connecting rod (2), be provided with limit spring (3), soil extruding steel plate (1) is provided with the tie rod holes (14) of passing for unlatching connecting rod (9) and the earth discharging hole not of uniform size (13) that can allow dregs pass.
3. according to claim 2ly can unload fast native drilling bit of rotary-digging drilling rig, it is characterized in that: described soil compaction connecting rod (2) is arranged near drill bit box hat (10), relative with the position that starts connecting rod (9).
4. according to claim 2ly can unload fast native drilling bit of rotary-digging drilling rig, it is characterized in that: described soil compaction connecting rod (2) stretches out the outer Length Ratio of drill bit box hat (10) and opens the little 200～300mm of length that connecting rod (9) stretches out drill bit box hat outer (10).
5. according to claim 2ly can unload fast native drilling bit of rotary-digging drilling rig, it is characterized in that: described soil extruding steel plate (1) is circle or rectangle, when adopting soil extruding steel plate (1) to be rectangle, the external diameter of a circle of soil extruding steel plate (1) is less than the internal diameter of drill bit box hat (10).
6. according to claim 2ly can unload fast native drilling bit of rotary-digging drilling rig, it is characterized in that: described limit spring (3) is high rigid spring, should guarantee that soil extruding steel plate (1) can return to initial position, make soil compaction connecting rod (2) stretch out the outer Length Ratio of drill bit box hat (10) and open connecting rod (9) to stretch out the outer length of drill bit box hat (10) little.
7. according to claim 2ly can unload fast native drilling bit of rotary-digging drilling rig, it is characterized in that: described cushion pad (4) is high-quality rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402081.3U CN203978287U (en) | 2014-07-21 | 2014-07-21 | A kind ofly can unload fast native drilling bit of rotary-digging drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402081.3U CN203978287U (en) | 2014-07-21 | 2014-07-21 | A kind ofly can unload fast native drilling bit of rotary-digging drilling rig |
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| CN203978287U true CN203978287U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420402081.3U Expired - Fee Related CN203978287U (en) | 2014-07-21 | 2014-07-21 | A kind ofly can unload fast native drilling bit of rotary-digging drilling rig |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917587A (en) * | 2015-12-28 | 2017-07-04 | 北京东方新星石化工程股份有限公司 | Drill bit and rotary drilling rig |
| CN108005576A (en) * | 2017-11-30 | 2018-05-08 | 中建三局第建设工程有限责任公司 | It is a kind of to separate the rotary drilling rig and rotary digging drilling construction method slagged tap |
| CN110318701A (en) * | 2019-05-09 | 2019-10-11 | 潍坊学院 | Large capacity speed unloads type rotary drilling digger |
| CN110924869A (en) * | 2019-12-05 | 2020-03-27 | 中铁四局集团建筑工程有限公司 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
| CN113107407A (en) * | 2021-05-17 | 2021-07-13 | 中建桥梁有限公司 | Speed-increasing noise-reducing soil discharging additional device of rotary drilling rig |
| CN113513253A (en) * | 2021-07-17 | 2021-10-19 | 北京地矿工程建设有限责任公司 | Drill bit of impact type drilling machine, soil pulling frame and method for quickly taking and unloading soil |
-
2014
- 2014-07-21 CN CN201420402081.3U patent/CN203978287U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917587A (en) * | 2015-12-28 | 2017-07-04 | 北京东方新星石化工程股份有限公司 | Drill bit and rotary drilling rig |
| CN106917587B (en) * | 2015-12-28 | 2019-01-08 | 北京东方新星勘察设计有限公司 | Drill bit and rotary drilling rig |
| CN108005576A (en) * | 2017-11-30 | 2018-05-08 | 中建三局第建设工程有限责任公司 | It is a kind of to separate the rotary drilling rig and rotary digging drilling construction method slagged tap |
| CN108005576B (en) * | 2017-11-30 | 2019-05-17 | 中建三局第一建设工程有限责任公司 | It is a kind of to separate the rotary drilling rig and rotary digging drilling construction method slagged tap |
| CN110318701A (en) * | 2019-05-09 | 2019-10-11 | 潍坊学院 | Large capacity speed unloads type rotary drilling digger |
| CN110924869A (en) * | 2019-12-05 | 2020-03-27 | 中铁四局集团建筑工程有限公司 | Mute slag-discharging drill bit for construction of bored pile of rotary drilling rig |
| CN113107407A (en) * | 2021-05-17 | 2021-07-13 | 中建桥梁有限公司 | Speed-increasing noise-reducing soil discharging additional device of rotary drilling rig |
| CN113513253A (en) * | 2021-07-17 | 2021-10-19 | 北京地矿工程建设有限责任公司 | Drill bit of impact type drilling machine, soil pulling frame and method for quickly taking and unloading soil |
| CN113513253B (en) * | 2021-07-17 | 2024-02-23 | 北京地矿工程建设有限责任公司 | Impact drilling machine drill bit, soil pulling frame and method for rapidly taking and unloading soil |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 650220 Yunnan Province Economic Development Zone of Kunming city information industry base, Forest Creek Road No. 188 Yunnan Construction Group 5 floor Patentee after: Yunnan construction investment foundation engineering Co., Ltd. Address before: 650220 Yunnan city of Kunming province Kunming City Economic and Technological Development Zone Forest Road No. 188 Patentee before: YANTAI CONSTRUCTION ENGINEERING FOUNDATION ENGINEERING CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |