CN203925295U - A kind of revolving dug drill bit - Google Patents
A kind of revolving dug drill bit Download PDFInfo
- Publication number
- CN203925295U CN203925295U CN201420011007.9U CN201420011007U CN203925295U CN 203925295 U CN203925295 U CN 203925295U CN 201420011007 U CN201420011007 U CN 201420011007U CN 203925295 U CN203925295 U CN 203925295U
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- CN
- China
- Prior art keywords
- drill bit
- cylindrical shell
- tooth plate
- cutting tooth
- revolving
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of revolving and digs drill bit, comprises dish assembly, cylindrical shell, open-and-close mechanism, cutter assembly; Upper dish assembly comprises top board, connects square hole, through hole, and drill bit connects by being connected square hole with drilling rod, and open-and-close mechanism is through through hole; The top of cylindrical shell is together with upper dish components welding, and the bottom of cylindrical shell comprises connecting bushing, has axis of rotation, open-and-close mechanism to comprise locating rack, back-moving spring, hook, support bar in connecting bushing, and locating rack is placed in above top board; Cutter assembly comprises revolving part, circular arc ring, clinching element, cutting tooth plate, cutting teeth is welded on cutting tooth plate, drill bit comprises polylith cutting tooth plate, it is tapered that every cutting tooth plate is welded on respectively bottom and these cutting teeth slab integrals of circular arc ring, a side welding revolving part and opposite side welding clinching element on circular arc ring top, revolving part is connected with the connecting bushing of cylindrical shell, and hook catches on clinching element.In clay, cobble, argillaceous rock layer energy high efficiency, creep into, drilling life of bit is long, reduce super side measures phenomenon.
Description
Technical field
The utility model relates to the technical field of piling machinery, especially relates to a kind of revolving and digs drill bit.
Background technology
At present, in stake work construction, while running into the intricately conditions such as clay layer, shale layer, boulder bed when piling, generally adopt Double bottom to revolve to dig drill bit and Split type drill carries out drilling construction.For the Double bottom of minor diameter, revolve and dig drill bit, its bottom slag inlet is generally all very little, creeps into resistance very large when construction is crept into, and drilling efficiency is low; When adopting Split type drill, although drilling efficiency is higher, but the cylindrical shell of Split type drill is two valve structures, when powerful drilling, two lobe cylindrical shells easily separate, and cause after creeping into stake boring ratio out actual large, and concrete is used super side to measure, and Split type drill bulk strength is poor, be very easy to damage.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of revolving and digs drill bit, and it can high efficiency creeps at clay, cobble, argillaceous rock layer, the overall structure of drill bit is strengthened, drilling life of bit is long, concrete super side's amount phenomenon while reducing piling.
The technical scheme addressing the above problem is: this revolving dug drill bit, and it comprises dish assembly, cylindrical shell, open-and-close mechanism, cutter assembly; Upper dish assembly comprises top board, connects square hole, through hole, and drill bit connects by being connected square hole with drilling rod, and open-and-close mechanism is through through hole; The top of cylindrical shell is together with upper dish components welding, and the bottom of cylindrical shell comprises connecting bushing, has axis of rotation, open-and-close mechanism to comprise locating rack, back-moving spring, hook, support bar in connecting bushing, and locating rack is placed in above top board; Cutter assembly comprises revolving part, circular arc ring, clinching element, cutting tooth plate, cutting teeth is welded on cutting tooth plate, drill bit comprises polylith cutting tooth plate, it is tapered that every cutting tooth plate is welded on respectively bottom and these cutting teeth slab integrals of circular arc ring, a side welding revolving part and opposite side welding clinching element on circular arc ring top, revolving part is connected with the connecting bushing of cylindrical shell, and hook catches on clinching element.
Due to, cutting teeth is welded on cutting tooth plate, drill bit comprises polylith cutting tooth plate, it is tapered that every cutting tooth plate is welded on respectively bottom and these cutting teeth slab integrals of circular arc ring, a side welding revolving part and opposite side welding clinching element on circular arc ring top, revolving part is connected with the connecting bushing of cylindrical shell, hook catches on clinching element, so the utility model revolves at the bottom of by common double and digs drill bit and Split type drill effectively combines, therefore at clay, cobble, argillaceous rock layer can high efficiency creep into, the overall structure of drill bit is strengthened, drilling life of bit is long, concrete super side's amount phenomenon while reducing piling.
Accompanying drawing explanation
Fig. 1 is according to the structural representation that digs drill bit that revolves of the present utility model;
Fig. 2 is the structural representation that revolves the cutter assembly that digs drill bit according to of the present utility model.
The specific embodiment
As shown in Figure 1-2, this revolving dug drill bit, and it comprises dish assembly 1, cylindrical shell 2, open-and-close mechanism 3, cutter assembly 4; Upper dish assembly comprises top board 11, connects square hole 12, through hole 13, and drill bit connects by being connected square hole with drilling rod, and open-and-close mechanism is through through hole; The top of cylindrical shell is together with upper dish components welding, and the bottom of cylindrical shell comprises connecting bushing 21, has axis of rotation 22 in connecting bushing, and open-and-close mechanism comprises locating rack 31, back-moving spring, hook 32, support bar 33, and locating rack is placed in above top board; Cutter assembly comprises revolving part 41, circular arc ring 42, clinching element 43, cutting tooth plate 44, cutting teeth 45 is welded on cutting tooth plate, drill bit comprises polylith cutting tooth plate, it is tapered that every cutting tooth plate is welded on respectively bottom and these cutting teeth slab integrals of circular arc ring, a side welding revolving part and opposite side welding clinching element on circular arc ring top, revolving part is connected with the connecting bushing of cylindrical shell, and hook catches on clinching element.
Due to, cutting teeth is welded on cutting tooth plate, drill bit comprises polylith cutting tooth plate, it is tapered that every cutting tooth plate is welded on respectively bottom and these cutting teeth slab integrals of circular arc ring, a side welding revolving part and opposite side welding clinching element on circular arc ring top, revolving part is connected with the connecting bushing of cylindrical shell, hook catches on clinching element, so the utility model revolves at the bottom of by common double and digs drill bit and Split type drill effectively combines, therefore at clay, cobble, argillaceous rock layer can high efficiency creep into, the overall structure of drill bit is strengthened, drilling life of bit is long, concrete super side's amount phenomenon while reducing piling.
Preferably, the quantity of cutting tooth plate is 2, and every forms specified angle with ground.During practice of construction, the cutting tooth plate on cutter assembly can also weld polylith as required.When construction, can be according to geological condition, the model of rig, adjusts the angle of inclination on cutting tooth plate and ground, or adjusts the type of cutting teeth, to improve drilling efficiency, extends drilling life of bit.
Preferably, clinching element is shackle, and hook is put into shackle.
Preferably, clinching element is hook frame, and hook is put into hook frame.
Preferably, revolving part is rotary sleeve, and it is connected with the connecting bushing of cylindrical shell.
Preferably, revolving part is axle, its insert cylindrical shell connecting bushing and with the same axis of axis of rotation.
When construction, drilling rod is inserted to drill bit top and connect square hole, insertion connecting pin, drilling rod is mentioned drill bit to specifying stake hole site, and drilling rod is transferred drill bit to ground, starts to be rotated in the forward, and at rotation while drilling rod, drill bit is applied to certain pressure, and drill bit is started working.Dregs in stake hole is along with creeping into by two slag inlets of drill bit enters drill bit internal, be kept in cylindrical shell, when dregs is full of after whole cylindrical shell, drilling rod stops operating, be promoted to above ground level after, move to assigned address, with rig platen, press opening-closing structure top downwards, the hook of open-and-close mechanism bottom and the hook of cutter assembly depart from, and cutter assembly is along axis of rotation opening, and dregs is poured out outside cylinder under Action of Gravity Field.Drilling rod with drilling rod to transferring, together with the hook of open-and-close mechanism is reconnected with the hook frame of cutter assembly.Drilling rod is mentioned drill bit to continue to repeat step above, until finish in whole stake hole.
The utility model, revolving at the bottom of common double on the basis of digging drill bit in conjunction with the advantage of Split type drill, develops Novel rotary and digs drill bit, and its processing cost revolves than split type that to dig drill bit low, and overall construction intensity is higher than Split type drill.The scope of application is wider than above-mentioned two kinds of drill bits, can be widely used in the complexity such as soil layer, clay layer, boulder bed.And can not produce the super side's amount of concrete phenomenon, improve the quality of stake, and reduced construction cost.The utility model reasonable integral structure, intensity is higher.The utility model is easy to operate, in mode of operation, with common, revolves that to dig drill bit the same, makes operator can be easy to grasp method of operating.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. revolve and dig a drill bit, it is characterized in that: it comprises dish assembly (1), cylindrical shell (2), open-and-close mechanism (3), cutter assembly (4); Upper dish assembly comprises top board (11), connects square hole (12), through hole (13), and drill bit connects by being connected square hole with drilling rod, and open-and-close mechanism is through through hole; The top of cylindrical shell is together with upper dish components welding, the bottom of cylindrical shell comprises connecting bushing (21), in connecting bushing, have axis of rotation (22), open-and-close mechanism comprises locating rack (31), back-moving spring, hook (32), support bar (33), and locating rack is placed in above top board; Cutter assembly comprises revolving part (41), circular arc ring (42), clinching element (43), cutting tooth plate (44), cutting teeth (45) is welded on cutting tooth plate, drill bit comprises polylith cutting tooth plate, it is tapered that every cutting tooth plate is welded on respectively bottom and these cutting teeth slab integrals of circular arc ring, a side welding revolving part and opposite side welding clinching element on circular arc ring top, revolving part is connected with the connecting bushing of cylindrical shell, and hook catches on clinching element.
2. according to claim 1 revolving dug drill bit, it is characterized in that: the quantity of cutting tooth plate is 2, and every forms specified angle with ground.
3. according to claim 1 and 2 revolving dug drill bit, it is characterized in that: clinching element is shackle, and hook is put into shackle.
4. according to claim 1 and 2 revolving dug drill bit, it is characterized in that: clinching element is hook frame, and hook is put into hook frame.
5. according to claim 1 and 2 revolving dug drill bit, it is characterized in that: revolving part is rotary sleeve, and it is connected with the connecting bushing of cylindrical shell.
6. according to claim 1 and 2 revolving dug drill bit, it is characterized in that: revolving part is axle, its insert cylindrical shell connecting bushing and with the same axis of axis of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011007.9U CN203925295U (en) | 2014-01-02 | 2014-01-02 | A kind of revolving dug drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011007.9U CN203925295U (en) | 2014-01-02 | 2014-01-02 | A kind of revolving dug drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925295U true CN203925295U (en) | 2014-11-05 |
Family
ID=51821124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420011007.9U Expired - Fee Related CN203925295U (en) | 2014-01-02 | 2014-01-02 | A kind of revolving dug drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925295U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018213941A1 (en) * | 2017-05-22 | 2018-11-29 | 邵忠 | Full-casing drilling tool |
| CN112252989A (en) * | 2020-09-22 | 2021-01-22 | 廊坊聚力勘探科技有限公司 | Ultra-large-diameter rotary drilling bit |
| CN112267839A (en) * | 2020-11-13 | 2021-01-26 | 中铁四局集团建筑工程有限公司 | Drill bit for rotary drilling rig |
| CN115839218A (en) * | 2023-02-20 | 2023-03-24 | 陕西晖煌建筑劳务有限公司 | Highway construction rotary drilling device |
-
2014
- 2014-01-02 CN CN201420011007.9U patent/CN203925295U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018213941A1 (en) * | 2017-05-22 | 2018-11-29 | 邵忠 | Full-casing drilling tool |
| CN112252989A (en) * | 2020-09-22 | 2021-01-22 | 廊坊聚力勘探科技有限公司 | Ultra-large-diameter rotary drilling bit |
| CN112267839A (en) * | 2020-11-13 | 2021-01-26 | 中铁四局集团建筑工程有限公司 | Drill bit for rotary drilling rig |
| CN115839218A (en) * | 2023-02-20 | 2023-03-24 | 陕西晖煌建筑劳务有限公司 | Highway construction rotary drilling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160102 |
|
| EXPY | Termination of patent right or utility model |