CN203321394U - Single-bottom adjustable valve bottom-cleaning drill - Google Patents
Single-bottom adjustable valve bottom-cleaning drill Download PDFInfo
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- CN203321394U CN203321394U CN2013203351068U CN201320335106U CN203321394U CN 203321394 U CN203321394 U CN 203321394U CN 2013203351068 U CN2013203351068 U CN 2013203351068U CN 201320335106 U CN201320335106 U CN 201320335106U CN 203321394 U CN203321394 U CN 203321394U
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- clear
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Abstract
A single-bottom adjustable valve bottom-cleaning drill relates to a device for cleaning off sediment on the bottoms of pile holes in engineering construction. The single-bottom adjustable valve bottom-cleaning drill comprises a barrel and a bottom-cleaning plate on the bottom of the barrel, and a scraper is mounted on the bottom of the bottom-cleaning plate. The key technique of the single-bottom adjustable valve bottom-cleaning drill is that: the bottom-cleaning plate is a single-bottom bottom-cleaning plate, a valve mechanism is mounted on the bottom-cleaning plate and located at a sediment inlet, the valve mechanism comprises a first cover plate and a second cover plate, the first cover plate is connected with the second cover plate through a first hinge, and a valve adjustment mechanism is mounted at a position on the bottom-cleaning plate, which corresponds to the valve mechanism. The beneficial effects of the single-bottom adjustable valve bottom-cleaning drill are as follows: the drill is provided with only one layer of bottom plate, the structure ensures that an earth intake step is reduced by 3cm to 4cm in comparison with the earth intake step of a double-bottom bottom-cleaning drill, and thereby a favorable condition is provided to meet sediment thickness less than 5cm; since only one layer of bottom plate is arranged, the single-bottom bottom-cleaning drill is formed, and does not need to use a drilling bucket body to connect two bottom plates like the double-bottom bottom-cleaning drill, consequently, while material is saved, the structure of the drill is simplified, and thereby the cost and fault rate of the drill are decreased.
Description
Technical field:
The clear subdrilling of single adjustable valve in the end, relate in engineering construction carrying out the device of scarfing cinder at the bottom of the stake hole.
Background technology:
In the construction of stake work, need to be cleared up the sediment at the bottom of the stake hole, at the bottom of the hole of stake correspondence not of the same race, sediment thickness requires also different.General lagging pile, friction pile require lower (General Requirements sediment thickness<10cm) to sediment thickness, and bearing peg have relatively high expectations (General Requirements sediment thickness<5cm).And the normal equipment used of pore-forming (drilling diameter: 0.6 meter～3.5 meters) is rotary drilling rig at present, its general cleanout bit used is " the clear subdrilling of Double bottom ".As the patent No. 201220321627.3 discloses a kind of " clear subdrilling ", this clear subdrilling is fixing upper plate on the drilling bucket main body, and upper plate connects lower shoe, forms by " the clear subdrilling of Double bottom ", is welded with subdrilling scraper plate clearly on lower shoe.This device is in the situation that suitably slag input after pressurization rotation 6-8 circle during work, and after slag input, reversion 1 circle is shut valve, then promotes drilling tool and unblank, and sediment is outwelled and completed the scarfing cinder process.Because it is Double bottom, when scarfing cinder, enter the rank, earthen platform relatively high, during the reversion lower shoe, easily make sediment return leakage, so the about 10cm of remaining sediment thickness left and right after cleaning; Less and require sediment thickness to be less than the bearing peg sediment of 5cm for sediment particles such as mud water holes, this device is difficult to achieve the goal, and remaining sediment thickness is the requirement to sediment thickness much larger than bearing peg.Also have, due to the restriction of this clear subdrilling blade structure, cause this clear subdrilling can only the peaceful end, and scraper plate to enter the rank, earthen platform relatively thick, easily leak sediment.The patent No. 201020671581.9 discloses a kind of " the clear subdrilling bucket of hole-expanding pile ", it comprises bores top and drill body, the bottom of drill body is provided with bores at the end, bore at the end symmetrical working wing is arranged, each working wing comprises junction plate and scraper plate, and junction plate is connected to rotationally and bores at the end, and scraper plate is fixed on junction plate, bore at the end through hole is arranged, the through hole below is provided with soil collecting plate.During work, drilling bucket turns clockwise, and working wing outwards launches, and under the effect of scraper plate, the sandstone at the bottom of hole are assembled, and by soil collecting plate, are shoveled in drill body, after cleaning out, are rotated counterclockwise drilling rod and drilling bucket, and working wing is inwardly packed up.There is following shortcoming in the drilling bucket of this structure: 1, it is opened to the through hole in drill body and fixes, and can not arbitrarily adjust the size of through hole, and the slag input particle diameter will be restricted, and affects scarfing cinder effect and progress; 2, will be rotated counterclockwise equally drilling bucket after scarfing cinder and close through hole, easily make sediment return leakage, after cleaning, remaining sediment thickness does not reach desirable requirement; 3, soil collecting plate is very wide very thick, enters the rank, earthen platform relatively high, is not easy to clean out sediment when shovel soil.
Summary of the invention:
Problem to be solved in the utility model provides a kind of sediment of can arbitrarily regulating to advance Tu Kou for above deficiency exactly, meets the clear subdrilling that the stake work requires bearing peg sediment thickness<5cm.Its technical scheme is as follows:
It comprises the clear base plate of ladle body and ladle body bottom, on clear base plate, has slag inlet, below clear base plate, clean-up scraper is installed.Its key technology is that base plate is the clear base plate in single end clearly, be positioned at the slag inlet place on clear base plate valve mechanism is installed, valve mechanism comprises the first cover plate and the second cover plate, the first cover plate and the second cover plate are by the first gemel connection, with the valve mechanism correspondence position, the valve guiding mechanism is installed on clear base plate, the valve guiding mechanism comprises spacing control panel and the arc-shaped limit plate be connected with spacing control panel.
The beneficial effect compared with prior art the utlity model has is:
1, this drill bit base plate only has one deck, and such structure makes into the rank, earthen platform the rank, earthen platform of advancing of " the clear subdrilling of Double bottom " relatively reduce 3cm～4cm, for meeting sediment thickness, is less than 5cm advantage is provided; Because only have one deck base plate, form " the clear subdrilling in single end ", do not need picture " the clear subdrilling of Double bottom " by the drilling bucket main body, two base plates to be connected, saving material simultaneously, also simplified drilling tool structure like this, drilling tool cost and fault rate are reduced.
2, this drill bit advances Tu Kou at base plate a valve mechanism has been installed, this valve mechanism relies on self gravitation to complete the action of closing the door, the process that does not have reversion to close the door, saved lockup, improved operating efficiency, avoided " the clear subdrilling of Double bottom " reversion sediment caused of closing the door in process to return leakage situation, effective sediment at the bottom of cleaning hole, after having solved stake work work progress insoluble scarfing cinder, sediment thickness does not conform to a problem of work standard, then the requirement of stake work to bearing peg sediment thickness<5cm that coordinated other structure to guarantee.
3, installed a valve guiding mechanism additional above valve mechanism, the effect that it is regulated the folding height limited location of valve, and can coordinate clear subdrilling to adapt to Different Strata, to stratum and stake type strong adaptability.
The cross section of the clean-up scraper of 4, installing at the base plate soffit is wedge structure, it is very thin that it advances the soil end, enter the rank, earthen platform lower, about 3cm, can carry out accommodation to its setting angle and shape according to strata condition, nose end shape, when soil shovel avoided the leakage of sediment, is well positioned to meet like this type Design Requirement Drawing and a stake work code requirement, and such compliance be " the clear subdrilling of Double bottom " can only the peaceful end simple function not available; Advance the drill bit intermediate flow at the base plate lower surface edge, allow end scraper plate clearly can better complete end operation clearly simultaneously.
The accompanying drawing explanation:
Fig. 1 is the utility model structural representation;
Fig. 2 is that Figure 1A is to view;
Fig. 3 is the utility model clean-up scraper structural representation;
Fig. 4 is the utility model exploded perspective view;
Fig. 5 is the local enlarged diagram of Fig. 4.
The specific embodiment:
Referring to Fig. 1-Fig. 5, the utility model comprises the clear base plate 8 of ladle body 4 and ladle body 4 bottoms, on clear base plate 8, has slag inlet, below clear base plate 8, clean-up scraper 7 is installed.Its key technology is that base plate 8 is the clear base plate in single end clearly, be positioned at the slag inlet place, by the second hinge 11, valve mechanism be installed on clear base plate 8, valve mechanism comprises the first cover plate 6 and the second cover plate 12, the first cover plate 6 is connected by the first hinge 10 with the second cover plate 12, with the valve mechanism correspondence position, the valve guiding mechanism is installed on clear base plate 8, the valve guiding mechanism comprises spacing control panel 2 and the arc-shaped limit plate 3 be connected with spacing control panel 2 by bearing pin.
Also be installed into native drainage plate 9 below described clear base plate 8.
The cross section of described clean-up scraper 7 is wedge structure, and it is very thin that it advances soil end 13, enters the rank, earthen platform lower, and about 3cm has avoided the leakage of sediment during shovel soil.
In figure, 1 is the 3rd hinge, and 5 is the drilling rod square toes.
The course of work of the present utility model is:
While 1, using, need be for geological condition, operating mode, valve mechanism is carried out to spacing adjustment, the sediment of clearing up if need is the gravel particle that particle diameter is larger etc., slag inlet need to be transferred to greatest extent, rotate arc limiting plate 3, make the bottom of arc-shaped limit plate 3 away from the second cover plate 12, with bearing pin, that arc-shaped limit plate 3 is fixing with spacing control panel 2; If needing the sediment of cleaning is mud that particle is less etc., need slag inlet is adjusted a little bit smaller, rotate arc limiting plate 3, make the bottom of arc-shaped limit plate 3 push down the second cover plate 12, with bearing pin by arc-shaped limit plate 3 and fixing the getting final product of spacing control panel 2.
2, do not pressurize (floating) at the bottom of clear subdrilling is transferred to hole, the subdrilling clearly that turns clockwise, advance native drainage plate 9 by sludge collection to clean-up scraper 7 places, clean-up scraper 7 is sent sediment to slag inlet, sediment is constantly got into ladle body 4 from valve mechanism.
3, turn clockwise 5～6 turn after, scarfing cinder completes, valve mechanism relies on self gravitation to complete the action of closing the door, and there is no the process of reversing and closing the door.Directly mention drill bit and unblank to unload soil, complete De Qing hole, a hole job.Through the scarfing cinder experiment of on-the-spot stake work building site, after detecting, sediment thickness, less than 3cm, has met the requirement of stake work to bearing peg sediment thickness<5cm well.
The utility model " double door " is identical with " single open-door " principle, just many slag inlets.
Claims (3)
1. the clear subdrilling of the adjustable valve in single end, the clear base plate (8) that comprises ladle body (4) and ladle body (4) bottom, have slag inlet on clear base plate (8), below clear base plate (8), clean-up scraper (7) is installed, it is characterized in that base plate (8) is the clear base plate in single end clearly, be positioned at the slag inlet place on clear base plate (8) valve mechanism is installed, valve mechanism comprises the first cover plate (6) and the second cover plate (12), the first cover plate (6) is connected by the first hinge (10) with the second cover plate (12), upper and the valve mechanism correspondence position installation valve guiding mechanism at clear base plate (8), the valve guiding mechanism comprises spacing control panel (2) and the arc-shaped limit plate (3) be connected with spacing control panel (2).
2. the clear subdrilling of single adjustable valve in the end according to claim 1, is characterized in that also being installed into native drainage plate (9) below clear base plate (8).
3. the clear subdrilling of single adjustable valve in the end according to claim 1, the cross section that it is characterized in that clean-up scraper (7) is wedge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203351068U CN203321394U (en) | 2013-06-09 | 2013-06-09 | Single-bottom adjustable valve bottom-cleaning drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203351068U CN203321394U (en) | 2013-06-09 | 2013-06-09 | Single-bottom adjustable valve bottom-cleaning drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321394U true CN203321394U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203351068U Expired - Fee Related CN203321394U (en) | 2013-06-09 | 2013-06-09 | Single-bottom adjustable valve bottom-cleaning drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321394U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334710A (en) * | 2013-06-09 | 2013-10-02 | 四川四海达通工程机械有限公司 | Single-bottom adjustable valve bottom cleaning drill |
| CN112726616A (en) * | 2020-12-29 | 2021-04-30 | 广州市建筑科学研究院有限公司 | Reaming pile bottom slag removal device for heel-while-drilling tubular pile and construction method thereof |
| CN113356780A (en) * | 2021-07-27 | 2021-09-07 | 北京三一智造科技有限公司 | Drill bottom structure, rotary drilling bucket and rotary drilling rig |
-
2013
- 2013-06-09 CN CN2013203351068U patent/CN203321394U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334710A (en) * | 2013-06-09 | 2013-10-02 | 四川四海达通工程机械有限公司 | Single-bottom adjustable valve bottom cleaning drill |
| CN112726616A (en) * | 2020-12-29 | 2021-04-30 | 广州市建筑科学研究院有限公司 | Reaming pile bottom slag removal device for heel-while-drilling tubular pile and construction method thereof |
| CN112726616B (en) * | 2020-12-29 | 2022-03-18 | 广州市建筑科学研究院有限公司 | Reaming pile bottom slag removal device for heel-while-drilling tubular pile and construction method thereof |
| CN113356780A (en) * | 2021-07-27 | 2021-09-07 | 北京三一智造科技有限公司 | Drill bottom structure, rotary drilling bucket and rotary drilling rig |
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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: 20131204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |