CN203223170U - Percussion drill hammerhead applied to drilling for pile foundation under inclined rock geological condition - Google Patents

Percussion drill hammerhead applied to drilling for pile foundation under inclined rock geological condition Download PDF

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Publication number
CN203223170U
CN203223170U CN 201320101424 CN201320101424U CN203223170U CN 203223170 U CN203223170 U CN 203223170U CN 201320101424 CN201320101424 CN 201320101424 CN 201320101424 U CN201320101424 U CN 201320101424U CN 203223170 U CN203223170 U CN 203223170U
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China
Prior art keywords
tup
sidewall
distribution beam
pile foundation
base
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CN 201320101424
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Chinese (zh)
Inventor
孙艳明
李恒国
郝胜利
齐鹏
马振民
石虎强
张洪文
杨勇
梁磊磊
王坤
骆彦兵
刘新虎
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CCCC SHEC Second Engineering Co Ltd
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CCCC SHEC Second Engineering Co Ltd
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Abstract

The utility model discloses a percussion drill hammerhead applied to drilling for a pile foundation under an inclined rock geological condition. The percussion drill hammerhead at least comprises a hammerhead (1) connected with a winch (3) in a drill body through a steel wire rope (4), and is characterized in that the hammerhead (1) has a tubular structure, wherein the external diameter of the tubular hammerhead (1) is smaller than the aperture of a drilled pile (5) by 2 to 4cm. According to the hammerhead, the problem of inclined hole phenomenon of a tapered hammerhead of the conventional percussion drill in an inclined rock surface drilling process is solved, the inclination of the hammerhead is limited to a great extent, the hammerhead is easy and convenient to use, and the drilling construction efficiency can be improved.

Description

Be applicable to the percussive drill tup of oblique rock geology pile foundation boring
Technical field
The utility model relates to inclination scar geological condition percussive drill drilling construction field, particularly a kind of percussive drill tup that is applicable to oblique rock geology pile foundation boring.
Background technology
Along with expanding economy, China's speedway, high-speed railway, city traffic network all develop rapidly, and bridge is being played the part of important role in the various networks of communication lines.Development along with bridge foundation drilling construction equipment, it is more and more littler that the bridge design addressing is influenced by geological condition, but the problem that still exists some to solve for the bridge foundation drilling construction of some complicated geologies, relatively more difficult always as the inclination scar drilling construction that intensity is higher, we generally select percussive drill for use for this inclination scar drilling construction, common percussive drill tup is taper, the rig of this tup of adapted is easy to occur the inclined hole phenomenon during drilling construction on the inclination scar, for rectify a deviation can only the backfill slabstone and materials such as clay or fill concrete back and forth creep into, waste time and energy.
Summary of the invention
The purpose of this utility model is that conventional impact rig " taper " tup inclined hole phenomenon problem occurs at boring procedure when having overcome the boring of inclination scar, a kind of percussive drill tup that is applicable to oblique rock geology pile foundation boring is provided, this tup has limited its inclination to a great extent, use simple and conveniently, can improve drilling construction efficient.
The technical scheme that its technical problem that solves the utility model adopts is: the percussive drill tup that is applicable to oblique rock geology pile foundation boring, which comprises at least the tup that is connected with hoist engine in the rig body by wire rope, it is characterized in that: wherein tup is tubular structure, and the external diameter of tubular tup is less than the aperture 2-4cm of drilled pile.
The height of described tubular tup is 1 ~ 2 times of diameter.
Described tubular tup comprises base, hammer tooth, sidewall, the top distribution beam, base is the center radial structure, fixedly connected with the bottom of sidewall on the ring-type outer ring of radial base, the inside top of sidewall is connected with the top distribution beam, the base bottom is distributed with the hammer tooth, and the center of top distribution beam is useful on the pin shaft hole that is connected with the wire rope of hoist engine.
Structure in the ring-type outer ring of the radial base in described center be " " type or " " type or " " type or " " type, the structure of top distribution beam is identical with the structure of the radial base in center.
Described hammer tooth is made up of sledgehammer tooth, hand hammer tooth and middle general hammer tooth, and wherein sledgehammer tooth and hand hammer interdental septa are distributed in the below, ring-type outer ring of base, and middle general hammer tooth is distributed in the center of base and the below of spoke.
The external surface of described sidewall is fixedly connected with wear-resistant block, and some wear-resistant blocks evenly distribute on sidewall or distribute arbitrarily.
The loop configuration upper fixed at the top of described sidewall has an intilted tup of circle guiding device suitable for reading.
Be plugged with the hammer pin in the pin shaft hole of distribution beam center, described top, hammer pin bottom is connected with nut thread, and hammer pin top is useful on the through hole that connects wire rope, and the external diameter of nut is greater than the internal diameter of top distribution beam pin shaft hole.
Also be equipped with damping spring between described top distribution beam and the nut, going back solderless wrapped connection between each spoke of top distribution beam has insurance steel cable.
Between described base, sidewall, the top distribution beam stiffener is arranged fixedly, first stiffener is wherein fixedly arranged between sidewall and the base, between sidewall and the top distribution beam second stiffener is arranged fixedly, between the pin shaft hole sidewall at top distribution beam and distribution beam center, top the 3rd stiffener is arranged fixedly.
The beneficial effects of the utility model are: tup drops in the process at the bottom of the drilled pile hole, because the tubular structure of tup, the sidewall of tup plays guide effect in tup free-falling process, just can lateral tilt or lateral sliding when tubular tup bottom runs into tilted stratum, avoided boring procedure the inclined hole phenomenon to occur.There is the tubular tup of certain altitude to limit self simultaneously, takes place thereby effectively controlled the inclined hole phenomenon.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is further specified:
Fig. 1 is fundamental diagram of the present utility model;
Fig. 2 is Fig. 1 tup part elevation;
Fig. 3 is the bottom surface structural representation of Fig. 2;
Fig. 4 is the top surface structure schematic diagram of Fig. 2.
Among the figure: 1, tup; 2, percussive drill; 3, hoist engine; 4, wire rope; 5, drilled pile; 6, platform; 7, tilted stratum; 8, sledgehammer tooth; 9, hand hammer tooth; 10, middle general hammer tooth; 11, base; 12, sidewall; 13, wear-resistant block; 14, tup guiding device suitable for reading; 15, top distribution beam; 16, first stiffener; 17, second stiffener; 18, the 3rd stiffener; 19, bearing pin; 20, damping spring; 21, nut; 22, insurance steel cable.
The specific embodiment
Embodiment 1
As shown in Figure 1, percussive drill 2 mainly is to be made of rig body and tup 1, hoist engine 3 is fixedly arranged in the rig body, tup 1 is connected with hoist engine 3 by wire rope 4, hoist engine 3 can draw tup 1 and rise to certain altitude, after unclamping the brake of hoist engine 3, tup 1 free-falling, the drilled pile 5 bottom rocks that will be positioned at tilted stratum 7 upper mounting plates 6 smash.
Wherein tup 1 is tubular structure, the tubular external diameter of tup 1 is than the little 2-4cm in the aperture of drilled pile 5, tup 1 drops in the process at the bottom of drilled pile 5 holes, because the tubular structure of tup 1, the sidewall 12 of tup 1 plays guide effect in tup 1 free-falling process, just can lateral tilt or lateral sliding when tubular tup 1 bottom runs into tilted stratum 7, avoided boring procedure the inclined hole phenomenon to occur.
The height of tubular tup 1 is 1 ~ 2 times of diameter, and the drilled pile aperture is more big, and multiple is more little, otherwise then more big.Hoist engine 3 elevating capacities are complementary on the weight of tup 1 and the percussive drill, and general drilled pile aperture is also big, and used tup is more heavy.In drilled pile 5 pore forming process, there is the tubular tup 1 of certain altitude to limit self, take place thereby effectively controlled the inclined hole phenomenon.
Embodiment 2
As shown in Figure 2, tubular tup 1 comprises base 11, hammer tooth, sidewall 12, top distribution beam 15, base 11 is center radial structures, fixedly connected with the bottom of sidewall 12 on the ring-type outer ring of radial base 11, the inside top of sidewall 12 is connected with top distribution beam 15, and base 11 bottoms are distributed with the hammer tooth.
Structure in the ring-type outer ring of the radial base 11 in center be " " type or " " type or " " type or " " type, base 11 divergence are directly proportional with drilled pile 5 diameters, and drilled pile 5 diameters are more big, and the divergence of base 11 is more many, otherwise then more few, does so both to have guaranteed that base 11 had certain intensity, has guaranteed that again boring mud can discharge from the space.
The structure of top distribution beam 15 is identical with the structure of the radial base 11 in center, is the center radial structure equally, radial top, center distribution beam 15 be " " type or " " type or " " type or " " the type structure, the center of top distribution beam 15 is useful on the pin shaft hole that is connected with the wire rope 4 of hoist engine 3.
Embodiment 3
As shown in Figure 3, the hammer tooth is made up of sledgehammer tooth 8, hand hammer tooth 9 and middle general hammer tooth 10, and wherein sledgehammer tooth 8 and hand hammer tooth 9 are distributed in the below, ring-type outer ring of base 11, and middle general hammer tooth 10 is distributed in the center of base 11 and the below of spoke.These hammer teeth that base 11 belows distribute have certain intensity, can smash solid rock at boring procedure, and protection base 11 is not damaged.
Embodiment 4
For the sidewall 12 of protecting tup 1 is unlikely in long-term boring procedure serious wear; external surface at sidewall 12 is fixedly connected with wear-resistant block 13; some wear-resistant blocks 13 evenly distribute on sidewall 12 or distribute arbitrarily; it is corresponding to be positioned at fixing sledgehammer tooth 8 positions in sidewall 12 nethermost wear-resistant blocks 13 and sidewall 12 bottoms; wear-resistant block 13 on the sidewall 12 not only plays a protective role; simultaneously between sidewall 12 and drilled pile 5 hole walls, form the space, avoided card hammer phenomenon to take place.
The loop configuration upper fixed at the top of sidewall 12 has an intilted tup of circle guiding device 14 suitable for reading, see Fig. 2, tup guiding device 14 effects suitable for reading are that intilted tup guiding device 14 suitable for reading is avoided tup 1 suitable for reading being stuck on drilled pile 5 hole walls when hoist engine 3 promotes tup 1.
Embodiment 5
The wire rope 4 of hoist engine 3 connects by the pin shaft hole of distribution beam 15 centers, tup 1 top suitable for reading, the pin shaft hole at top distribution beam 15 and center thereof will promote stress point and concentrate on tup 1 axis, as shown in Figure 2, be plugged with hammer pin 19 in the pin shaft hole of top distribution beam 15 centers, hammer pin 19 bottoms are threaded with nut 21, hammer pin 19 tops are useful on the through hole that connects wire rope 4, and the external diameter of nut 21 is greater than the internal diameter of top distribution beam 15 pin shaft holes.
For reducing vibration effect, between top distribution beam 15 and nut 21, also be equipped with damping spring 20.
Go back solderless wrapped connection between each spoke of top distribution beam 15 insurance steel cable 22 is arranged, insurance steel cable 22 main effects are as abnormal conditions such as wire rope 4 or 19 fractures of hammer pin take place at boring procedure, tup 1 is fallen at the bottom of drilled pile 5 holes, can utilize recovery hook to tangle insurance steel cable 22, and tup 1 is salvaged.
Embodiment 6
As shown in Figure 4, for guaranteeing tup 1 whole reliability, between base 11, sidewall 12, top distribution beam 15, stiffener is arranged fixedly, as shown in Figure 2, first stiffener 16 is wherein fixedly arranged between sidewall 12 and the base 11, second stiffener 17 is fixedly arranged between sidewall 12 and the top distribution beam 15, between the pin shaft hole sidewall at top distribution beam 15 and top distribution beam 15 centers the 3rd stiffener 18 is arranged fixedly.

Claims (10)

1. be applicable to the percussive drill tup of oblique rock geology pile foundation boring, which comprises at least the tup (1) that is connected with hoist engine (3) in the rig body by wire rope (4), it is characterized in that: wherein tup (1) is tubular structure, and the external diameter of tubular tup (1) is less than the aperture 2-4cm of drilled pile (5).
2. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 1, it is characterized in that: described tubular tup (1) comprises base (11), the hammer tooth, sidewall (12), top distribution beam (15), base (11) is the center radial structure, fixedly connected with the bottom of sidewall (12) on the ring-type outer ring of radial base (11), the inside top of sidewall (12) is connected with top distribution beam (15), base (11) bottom is distributed with the hammer tooth, and the center of top distribution beam (15) is useful on the pin shaft hole that is connected with the wire rope (4) of hoist engine (3).
3. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 1 and 2, it is characterized in that: the height of described tubular tup (1) is 1 ~ 2 times of diameter.
4. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 2 is characterized in that: the structure in the ring-type outer ring of the radial base in described center (11) be " " type or " " type or " " type or " " type, the structure of top distribution beam (15) is identical with the structure of the radial base in center (11).
5. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 2, it is characterized in that: described hammer tooth is made up of sledgehammer tooth (8), hand hammer tooth (9) and middle general hammer tooth (10), wherein sledgehammer tooth (8) and hand hammer tooth (9) are distributed in the below, ring-type outer ring of base (11), and middle general hammer tooth (10) is distributed in the center of base (11) and the below of spoke.
6. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 2, it is characterized in that: the external surface of described sidewall (12) is fixedly connected with wear-resistant block (13), and some wear-resistant blocks (13) are gone up at sidewall (12) and evenly distributed or distribute arbitrarily.
7. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 2 is characterized in that: the loop configuration upper fixed at the top of described sidewall (12) has a circle intilted tup guiding device suitable for reading (14).
8. the percussive drill tup that is applicable to oblique rock geology pile foundation boring according to claim 2, it is characterized in that: be plugged with hammer pin (19) in the pin shaft hole of described top distribution beam (15) center, hammer pin (19) bottom is threaded with nut (21), hammer pin (19) top is useful on the through hole that connects wire rope (4), and the external diameter of nut (21) is greater than the internal diameter of top distribution beam (15) pin shaft hole.
9. according to claim 2 or the 8 described percussive drill tups that are applicable to oblique rock geology pile foundation boring, it is characterized in that: also be equipped with damping spring (20) between described top distribution beam (15) and the nut (21), going back solderless wrapped connection between each spoke of top distribution beam (15) has insurance steel cable (22).
10. according to claim 2 or the 8 described percussive drill tups that are applicable to oblique rock geology pile foundation boring, it is characterized in that: described base (11), sidewall (12), top distribution beam fixedly have stiffener between (15), wherein between sidewall (12) and the base (11) first stiffener (16) is arranged fixedly, between sidewall (12) and the top distribution beam (15) second stiffener (17) is arranged fixedly, between the pin shaft hole sidewall at top distribution beam (15) and top distribution beam (15) center the 3rd stiffener (18) is arranged fixedly.
CN 201320101424 2013-03-06 2013-03-06 Percussion drill hammerhead applied to drilling for pile foundation under inclined rock geological condition Active CN203223170U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320101424 CN203223170U (en) 2013-03-06 2013-03-06 Percussion drill hammerhead applied to drilling for pile foundation under inclined rock geological condition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320101424 CN203223170U (en) 2013-03-06 2013-03-06 Percussion drill hammerhead applied to drilling for pile foundation under inclined rock geological condition

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105780783A (en) * 2016-04-28 2016-07-20 中国水电基础局有限公司 Trenching construction method of large-inclination angle steep rock
CN111075383A (en) * 2019-12-12 2020-04-28 中国二十冶集团有限公司 Hammerhead fishing device of punching cast-in-place pile machine and using method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105780783A (en) * 2016-04-28 2016-07-20 中国水电基础局有限公司 Trenching construction method of large-inclination angle steep rock
CN105780783B (en) * 2016-04-28 2018-03-27 中国水电基础局有限公司 High inclination-angle abrupt slope rock forming construction method thereof
CN111075383A (en) * 2019-12-12 2020-04-28 中国二十冶集团有限公司 Hammerhead fishing device of punching cast-in-place pile machine and using method thereof

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