CN203559771U - Piling drilling tool - Google Patents
Piling drilling tool Download PDFInfo
- Publication number
- CN203559771U CN203559771U CN201320640201.9U CN201320640201U CN203559771U CN 203559771 U CN203559771 U CN 203559771U CN 201320640201 U CN201320640201 U CN 201320640201U CN 203559771 U CN203559771 U CN 203559771U
- Authority
- CN
- China
- Prior art keywords
- drill rod
- sleeve
- fixedly connected
- sliding
- rock
- 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 99
- 239000011435 rock Substances 0.000 claims abstract description 70
- 230000036346 tooth eruption Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model provides a piling drilling tool. The piling drilling tool comprises a drilling rod, a helical blade, a first rock drilling mechanism and a second rock drilling mechanism, wherein the outer wall of the drilling rod is sleeved with the helical blade, and the helical blade is fixedly connected with the drilling rod; the first rock drilling mechanism is fixedly connected with the helical blade, and one end of the second rock drilling mechanism is fixedly connected with the bottom of the drilling rod. In the process of practical operation, an external acting force acted on the drilling rod is transmitted to the second rock drilling mechanism to perform drilling; when the piling drilling tool is used for drilling downwards, firstly, a small opening is formed in the rock through the second rock drilling mechanism, then the helical blade and the first rock drilling mechanism are adopted to enlarge the small opening to the required pore diameter gradually; meanwhile, the outer wall of the drill rod is sleeved with the helical blade, so that the broken rockfill can be conveyed upwards to form a pile hole. According to the piling drilling tool, the rock breaking ability of the piling drilling tool can be further improved, the rockfill can be automatically eliminated through the helical blade, and the piling drilling tool has double functions of rock breaking and rockfill removing.
Description
Technical Field
The utility model belongs to the technical field of piling machinery, in particular to piling drilling tool.
Background
At present, the rock entering drill bit mode is mainly that rock strata are broken through a drill bit, then broken stones are taken out through other tools, so that a pile hole is formed, a special grouting tool is used for pouring concrete, and the pile hole forming operation mode is complex in operation and low in operation efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a piling drilling tool is provided, this drilling tool has broken rock, the dual function of stone discharging in stake hole shaping operation mode, and has the characteristics that broken rock ability is strong.
For solving the technical problem, the foundation the utility model discloses an aspect provides a piling drilling tool, include: the drilling device comprises a drill rod, a helical blade for rotary operation, a first rock entering mechanism for drilling operation and a second rock entering mechanism for drilling operation; the spiral blade is sleeved on the outer wall of the drill rod and is fixedly connected with the drill rod; the first rock entering mechanism is fixedly connected with the helical blade; one end of the second rock entering mechanism is fixedly connected with the bottom of the drill rod.
Further, the first rock entering mechanism comprises: a plurality of first picks; each first cutting tooth is fixedly connected with the helical blade; any two adjacent first cutting teeth are sequentially distributed in an involute manner at equal intervals.
Further, the second rock entering mechanism comprises: the drill bit and a plurality of second cutting picks; one end of the drill bit is fixedly connected with the bottom of the drill rod; the other end of the drill bit is fixedly connected with each second cutting pick; any two adjacent second cutting teeth are sequentially distributed at equal intervals in an involute manner.
According to another aspect of the present invention, there is provided a piling drilling tool, including: the drilling device comprises a drill rod, a helical blade for rotary operation, a first rock entering mechanism for drilling operation, a second rock entering mechanism for drilling operation and a sliding sleeve assembly for connecting the drill rod and the second rock entering mechanism; wherein the interior of the drill rod is of a hollow structure; the helical blade is sleeved on the outer wall of the drill rod and is fixedly connected with the drill rod; the first rock entering mechanism is fixedly connected with the helical blade; one end of the second rock entering mechanism is fixedly connected with the lower part of the sliding sleeve assembly, the middle upper part of the sliding sleeve assembly is movably connected with the bottom of the drill rod, and the outer wall of the sliding sleeve assembly and the inner wall of the bottom of the drill rod can realize relative sliding; the side wall of the sliding sleeve assembly is provided with a plurality of through hole structures, and when the middle upper part of the sliding sleeve assembly slides into the bottom hollow structure of the drill rod, the through hole structures are contacted with the bottom inner wall of the drill rod; or when the middle upper part of the sliding sleeve assembly slides out of the bottom hollow structure of the drill rod, the inner hollow structure of the drill rod and the inner hollow structure of the sliding sleeve assembly are communicated with the outside through the through hole structure.
Further, the first rock entering mechanism comprises: a plurality of first picks; each first cutting tooth is fixedly connected with the helical blade; any two adjacent first section teeth are sequentially distributed in an involute manner at equal intervals; and/or the second rock entering mechanism comprises: the drill bit and a plurality of second cutting picks; one end of the drill bit is fixedly connected with the lower part of the sliding sleeve assembly; the other end of the drill bit is fixedly connected with each second cutting pick; any two adjacent second cutting teeth are sequentially distributed at equal intervals in an involute manner.
Further, the sliding sleeve assembly comprises: the device comprises a supporting plate, a sleeve and a sliding mechanism for the relative sliding of the sleeve and the drill rod; the upper surface of the supporting plate is fixedly connected with the bottom of the sleeve; the lower surface of the supporting plate is fixedly connected with one end of the drill bit; the middle upper part of the sleeve is movably connected with the bottom of the drill rod through the sliding mechanism, and the outer wall of the sliding sleeve assembly can slide relative to the inner wall of the bottom of the drill rod through the sliding mechanism; the side wall of the sleeve is provided with a plurality of through hole structures, and when the middle upper part of the sleeve slides into the bottom hollow structure of the drill rod, the through hole structures are contacted with the inner wall of the bottom of the drill rod; or when the middle upper part of the sleeve slides out of the bottom hollow structure of the drill rod, the inner hollow structure of the drill rod and the inner hollow structure of the sleeve are communicated with the outside through the through hole structure.
Further, the slide mechanism includes: the sliding grooves are formed in the side wall of the sleeve; a plurality of threaded holes are formed in the side wall of the bottom of the drill rod; the screw rods are respectively matched with the sliding grooves in quantity and the threads in the threaded holes in quantity; the screw rod sequentially penetrates through the threaded hole and the sliding groove correspondingly to connect the sleeve and the drill rod; the sleeve can slide relative to the drill rod through the sliding groove.
Further, the number of the chutes is 2; the number of the threaded holes is 2; the number of the screws is 2; the 2 sliding grooves are distributed on two sides of the sleeve in a central symmetrical structure by taking a central vertical axis of the sleeve as a central symmetrical axis; the 2 threaded holes are distributed on two sides of the sleeve in a centrosymmetric structure by taking the central vertical axis of the drill rod as a central symmetric axis.
Further, the through hole structure is a square door hole; the number of the square door holes is 2; the 2 square door holes are distributed on two sides of the sleeve in a central symmetrical structure by taking a central vertical axis of the sleeve as a central symmetrical axis; the square door holes and the sliding grooves are sequentially and alternately distributed on the side wall of the sleeve at equal intervals.
Further, the fixed connection is a weld, a screw connection or a bolt connection.
The utility model provides a piling drilling tool, which is characterized in that a helical blade is sleeved on the outer wall of a drill rod and is fixedly connected with the drill rod; fixedly connecting the first rock entering mechanism with the helical blade; one end of the second rock entering mechanism is fixedly connected with the bottom of the drill rod; the action force acted on the drill rod from the outside is transmitted to the second rock entering mechanism to drill in the actual operation process; when the piling drilling tool drills downwards, firstly, the rock stratum is broken through the second rock entering mechanism to form a small opening, then the drilled hole is gradually enlarged to a required aperture by utilizing the helical blade and the first rock entering mechanism, and meanwhile, the helical blade is sleeved (coiled) on the outer wall of the drilling rod to convey broken gravels upwards to form a pile hole; the utility model provides a piling drilling tool goes into rock mechanism and helical blade through setting up first rock mechanism, second, has further improved piling drilling tool's broken rock ability, and can get rid of the rubble through helical blade is automatic, has broken rock and the dual function of stone discharging.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an overall structure of a piling drilling tool according to a first embodiment of the present invention; and
fig. 2 is a schematic view of an overall structure of a piling drilling tool according to a second embodiment of the present invention; and
fig. 3 is a front view of the overall structure of the piling drilling tool according to the second embodiment of the present invention; and
fig. 4 is a schematic cross-sectional view of the piling drilling tool a-a according to fig. 3 according to the second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example one
Referring to fig. 1, a piling drilling tool according to an embodiment of the present invention includes: the drilling device comprises a drill rod 1, a helical blade 2 for rotary operation, a first rock entering mechanism for drilling operation and a second rock entering mechanism for drilling operation; wherein, the helical blade 2 is sleeved (coiled) on the outer wall of the drill rod 1, and the inner side of the helical blade 2 is fixedly connected with the outer wall of the drill rod 1; one end (fixed end) of the first rock entering mechanism is fixedly connected with the outer side of the helical blade 2; the other end (drilling end) of the first rock entering mechanism expands outwards and is distributed in an involute manner; one end of the second rock entering mechanism is fixedly connected with the bottom of the drill rod 1.
In this embodiment, preferably, the first rock entering mechanism includes: a plurality of first cutting teeth 101; wherein, one end (fixed end) of each first cutting pick 101 is respectively and fixedly connected with the outer side of the helical blade 2; meanwhile, the distance between any two adjacent first cutting teeth 101 is equal, and the other end (drilling end) of each first cutting tooth 101 is sequentially expanded outwards and distributed in an involute manner (i.e. the drilling end of the first cutting tooth 101 is expanded outwards relative to the fixed end thereof away from the central vertical axis of the drill rod 1).
In the first embodiment, preferably, the second rock entering mechanism includes: a drill bit 3 and a plurality of second picks 102; wherein, one end of the drill bit 3 is fixedly connected with the bottom of the drill rod 1; the other end of the drill bit 3 is fixedly connected with one end (fixed end) of each second cutting pick 102; meanwhile, the distance between any two adjacent second cutting picks 102 is equal, and the other end (drilling end) of each second cutting pick 102 is sequentially expanded outwards and distributed in an involute shape (i.e. the drilling end of the second cutting pick 102 is expanded outwards relative to the central vertical axis of the fixed end of the second cutting pick away from the drill rod 1).
In one embodiment, the fixed connection is preferably a weld, screw or bolt connection.
In the piling drilling tool provided by the first embodiment, in the actual operation process, the helical blade 2 and the drill bit 3 are main bearing bodies of the cutting force of the piling drilling tool, and the acting force acting on the drill rod 1 from the outside during drilling is transmitted to the drilling end of the second cutting pick 102 through the drill bit 3 to perform drilling; when the piling drilling tool drills downwards, firstly, the drill bit 3 and the second cutting tooth 102 are used for breaking a small opening in a rock stratum, then the spiral blade 2 and the first cutting tooth 101 are used for gradually expanding a drilled hole to a required aperture, and meanwhile, the spiral blade 2 is sleeved (coiled) on the outer wall of the drill rod 1 to convey broken gravels upwards to form a pile hole; the piling drilling tool provided by the embodiment further improves the rock breaking capacity of the piling drilling tool by arranging the first cutting pick 101, the second cutting pick 102 and the helical blade 2, can automatically remove broken stones through the helical blade 2, has dual functions of rock breaking and stone removing, and has the characteristic of simple structure.
Example two
Referring to fig. 2-4, another piling drilling tool provided in the second embodiment of the present invention includes: the drilling device comprises a drill rod 1, a helical blade 2 for rotary operation, a first rock entering mechanism for drilling operation, a second rock entering mechanism for drilling operation and a sliding sleeve assembly for connecting the drill rod 1 and the second rock entering mechanism; wherein the interior of the drill rod 1 is of a hollow cylindrical structure; the helical blade 2 is sleeved (coiled) on the outer wall of the drill rod 1, and the inner side of the helical blade 2 is fixedly connected with the outer wall of the drill rod 1; one end (fixed end) of the first rock entering mechanism is fixedly connected with the outer side of the helical blade 2; one end of the second rock entering mechanism is fixedly connected with the lower part of the sliding sleeve assembly, the middle upper part of the sliding sleeve assembly is movably connected with the bottom of the drill rod 1, and the outer wall of the sliding sleeve assembly and the inner wall of the bottom of the drill rod can realize relative sliding; meanwhile, the side wall of the sliding sleeve assembly is provided with a plurality of through hole structures, in the actual operation process, when the middle upper part of the sliding sleeve assembly slides into the bottom hollow structure of the drill rod 1, the through hole structures are contacted with the bottom inner wall of the drill rod 1, namely, the through hole structures arranged on the side wall of the sliding sleeve assembly are enveloped in the inner hollow structure by the bottom of the drill rod 1, and at the moment, the inner hollow structure of the drill rod 1 and the inner space of the sliding sleeve assembly are not communicated with the outside; when the middle upper part of the sliding sleeve assembly slides out of the bottom hollow structure of the drill rod 1, namely, the through hole structure arranged on the side wall of the sliding sleeve assembly is separated from the bottom envelope of the drill rod 1, so that the internal hollow structure of the drill rod 1 and the internal space of the sliding sleeve assembly are communicated with the outside through the through hole structure.
In the second embodiment, preferably, the first rock entering mechanism includes: a plurality of first cutting teeth 101; wherein, one end (fixed end) of each first cutting pick 101 is respectively and fixedly connected with the outer side of the helical blade 2; meanwhile, the distance between any two adjacent first cutting teeth 101 is equal, and the other end (drilling end) of each first cutting tooth 101 is sequentially expanded outwards and distributed in an involute manner (i.e. the drilling end of the first cutting tooth 101 is expanded outwards relative to the fixed end thereof away from the central vertical axis of the drill rod 1).
In the second embodiment, preferably, the second rock entering mechanism includes: a drill bit 3 and a plurality of second picks 102; wherein, one end of the drill bit 3 is fixedly connected with the lower part of the sliding sleeve assembly; the other end of the drill bit 3 is fixedly connected with one end (fixed end) of each second cutting pick 102; meanwhile, the distance between any two adjacent second cutting picks 102 is equal, and the other end (drilling end) of each second cutting pick 102 is sequentially expanded outwards and distributed in an involute shape (i.e. the drilling end of the second cutting pick 102 is expanded outwards relative to the central vertical axis of the fixed end of the second cutting pick away from the drill rod 1).
In a second embodiment, the sliding sleeve assembly includes: the device comprises a supporting plate 4 (a square transverse plate), a sleeve 5 and a sliding mechanism, wherein the sliding mechanism is used for enabling the outer wall of the sleeve 5 to slide relative to the inner wall of the bottom of the drill rod 1; wherein, the upper surface of the supporting plate 4 is fixedly connected with the bottom of the sleeve 5; the lower surface of the supporting plate 4 is fixedly connected with one end of the drill bit 1; the middle upper part of the sleeve 5 is movably connected with the bottom of the drill rod 1 through a sliding mechanism, and the outer wall of the sliding sleeve assembly can realize relative sliding with the inner wall of the bottom of the drill rod 1 through the sliding mechanism; the side wall of the sleeve 5 is provided with a plurality of through hole structures, in the actual operation process, when the middle upper part of the sleeve 5 slides into the bottom hollow structure of the drill rod 1, the through hole structures are contacted with the inner wall of the bottom of the drill rod 1, namely, the through hole structures arranged on the side wall of the sleeve 5 are enveloped in the inner hollow structure by the bottom of the drill rod 1, and at the moment, the inner hollow structure of the drill rod 1 and the inner space of the sleeve 5 are not communicated with the outside; when the middle upper part of the sleeve 5 slides out of the bottom hollow structure of the drill rod 1, namely the through hole structure arranged on the side wall of the sleeve 5 is separated from the bottom envelope of the drill rod 1, the communication between the internal hollow structure of the drill rod 1 and the internal space of the sleeve 5 and the outside is realized through the through hole structure.
In this embodiment, the slide mechanism includes: a plurality of sliding chutes 6 arranged on the side wall of the sleeve 5; a plurality of threaded holes 7 formed in the side wall of the bottom of the drill rod 1; and a plurality of screws 8 which are respectively matched with the number of the sliding chutes 6 and the internal threads of the threaded holes 7; wherein, each screw 8 correspondingly passes through the corresponding threaded hole 7 and the corresponding chute 6 to connect the sleeve 5 and the drill rod 1; the sleeve 5 can slide relative to the drill rod 1 via a sliding groove 6. Preferably, the number of runners 6 is 2; the number of the threaded holes 7 is 2; the number of screws 8 is 2; the 2 sliding chutes 6 are distributed on two sides of the sleeve 5 in a central symmetrical structure by taking the central vertical axis of the sleeve 5 as a central symmetrical axis; the 2 threaded holes 7 are distributed on two sides of the sleeve 5 in a centrosymmetric structure by taking the central vertical axis of the drill rod 1 as a central symmetric axis; preferably, the through hole structure is a square door hole 9; the number of the square door holes 9 is 2; the 2 square door holes 9 are distributed on the two sides of the sleeve 5 in a central symmetrical structure by taking the central vertical axis of the sleeve 5 as a central symmetrical axis; the square door holes 9 and the sliding chutes 6 are sequentially and alternately distributed on the side wall of the sleeve 5 at equal intervals.
In the second embodiment, preferably, the fixed connection is welding, screwing or bolting.
In the piling drilling tool provided by the second embodiment, in the actual operation process, the helical blade 2, the sleeve 5 and the drill bit 3 are main bearing bodies of the cutting force of the piling drilling tool, and on one hand, the acting force acted on the drill rod 1 from the outside during drilling is transmitted to the drilling end of the second cutting pick 102 through the sleeve 5 and the drill bit 3 in sequence to drill; when the piling drilling tool drills downwards, firstly, the drill bit 3 and the second cutting tooth 102 are used for breaking a small opening in a rock stratum, then the spiral blade 2 and the first cutting tooth 101 are used for gradually expanding a drilled hole to a required aperture, and meanwhile, the spiral blade 2 is sleeved (coiled) on the outer wall of the drill rod 1 to convey broken gravels upwards to form a pile hole; on the other hand, the inside hollow structure of drilling rod 1, the inside hollow structure of sleeve pipe 5 and square door hole 9 form the passageway of concreting, when the piling drilling tool creeps into downwards, promote through soil layer natural resistance and be equipped with in the sleeve pipe 3 of square door hole 9 slides to the hollow structure of drilling rod 1 bottom, effectively avoided opening the condition that makes ground get into the interior jam drilling rod of drilling rod 1 because of square door hole, drill bit 3 when the piling drilling tool up lifts simultaneously, sleeve pipe 5 relies on self gravity lapse, expose square door hole 9 and then let the concrete that pours into in the drilling rod 1 flow into the stake hole through sleeve pipe 5. According to the piling drilling tool provided by the second embodiment, the first cutting pick 101, the second cutting pick 102 and the helical blade 2 are arranged, so that the rock breaking capacity of the piling drilling tool is further improved, and broken stones can be automatically removed through the helical blade 2; meanwhile, the sleeve 5 and the sliding mechanism are additionally arranged, so that the automatic concrete pouring in the pile hole is realized when the piling drilling tool is lifted, the multiple functions of rock breaking, stone discharging and grouting are realized, and the pile drilling tool has the characteristics of simple structure, easiness in operation and high operation efficiency.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A piling drilling tool, comprising:
the drilling device comprises a drill rod, a helical blade for rotary operation, a first rock entering mechanism for drilling operation and a second rock entering mechanism for drilling operation; wherein,
the helical blade is sleeved on the outer wall of the drill rod and is fixedly connected with the drill rod; the first rock entering mechanism is fixedly connected with the helical blade; one end of the second rock entering mechanism is fixedly connected with the bottom of the drill rod.
2. The piling drilling tool of claim 1, wherein the first rock entering mechanism comprises:
a plurality of first picks; each first cutting tooth is fixedly connected with the helical blade; any two adjacent first cutting teeth are sequentially distributed in an involute manner at equal intervals.
3. The piling drilling tool of claim 1, wherein the second rock entering mechanism comprises:
the drill bit and a plurality of second cutting picks; one end of the drill bit is fixedly connected with the bottom of the drill rod; the other end of the drill bit is fixedly connected with each second cutting pick; any two adjacent second cutting teeth are sequentially distributed at equal intervals in an involute manner.
4. A piling drilling tool, comprising:
the drilling device comprises a drill rod, a helical blade for rotary operation, a first rock entering mechanism for drilling operation, a second rock entering mechanism for drilling operation and a sliding sleeve assembly for connecting the drill rod and the second rock entering mechanism; wherein,
the interior of the drill rod is of a hollow structure; the helical blade is sleeved on the outer wall of the drill rod and is fixedly connected with the drill rod; the first rock entering mechanism is fixedly connected with the helical blade; one end of the second rock entering mechanism is fixedly connected with the lower part of the sliding sleeve assembly, the middle upper part of the sliding sleeve assembly is movably connected with the bottom of the drill rod, and the outer wall of the sliding sleeve assembly and the inner wall of the bottom of the drill rod can realize relative sliding;
the side wall of the sliding sleeve assembly is provided with a plurality of through hole structures, and when the middle upper part of the sliding sleeve assembly slides into the bottom hollow structure of the drill rod, the through hole structures are contacted with the bottom inner wall of the drill rod; or when the middle upper part of the sliding sleeve assembly slides out of the bottom hollow structure of the drill rod, the inner hollow structure of the drill rod and the inner hollow structure of the sliding sleeve assembly are communicated with the outside through the through hole structure.
5. The piling drilling tool of claim 4, wherein:
the first mechanism of going into rock includes: a plurality of first picks; each first cutting tooth is fixedly connected with the helical blade; any two adjacent first section teeth are sequentially distributed in an involute manner at equal intervals;
and/or the presence of a gas in the gas,
the second rock entering mechanism comprises: the drill bit and a plurality of second cutting picks; one end of the drill bit is fixedly connected with the lower part of the sliding sleeve assembly; the other end of the drill bit is fixedly connected with each second cutting pick; any two adjacent second cutting teeth are sequentially distributed at equal intervals in an involute manner.
6. The piling drilling tool of claim 5, wherein said sliding sleeve assembly includes:
the device comprises a supporting plate, a sleeve and a sliding mechanism for the relative sliding of the sleeve and the drill rod;
the upper surface of the supporting plate is fixedly connected with the bottom of the sleeve; the lower surface of the supporting plate is fixedly connected with one end of the drill bit; the middle upper part of the sleeve is movably connected with the bottom of the drill rod through the sliding mechanism, and the outer wall of the sliding sleeve assembly can slide relative to the inner wall of the bottom of the drill rod through the sliding mechanism; the side wall of the sleeve is provided with a plurality of through hole structures, and when the middle upper part of the sleeve slides into the bottom hollow structure of the drill rod, the through hole structures are contacted with the inner wall of the bottom of the drill rod; or when the middle upper part of the sleeve slides out of the bottom hollow structure of the drill rod, the inner hollow structure of the drill rod and the inner hollow structure of the sleeve are communicated with the outside through the through hole structure.
7. The piling drilling tool of claim 6, wherein the sliding mechanism comprises:
the sliding grooves are formed in the side wall of the sleeve; a plurality of threaded holes are formed in the side wall of the bottom of the drill rod; the screw rods are respectively matched with the sliding grooves in quantity and the threads in the threaded holes in quantity;
the screw rod sequentially penetrates through the threaded hole and the sliding groove correspondingly to connect the sleeve and the drill rod; the sleeve can slide relative to the drill rod through the sliding groove.
8. The piling drilling tool of claim 7, wherein:
the number of the sliding grooves is 2; the number of the threaded holes is 2; the number of the screws is 2; the 2 sliding grooves are distributed on two sides of the sleeve in a central symmetrical structure by taking a central vertical axis of the sleeve as a central symmetrical axis; the 2 threaded holes are distributed on two sides of the sleeve in a centrosymmetric structure by taking the central vertical axis of the drill rod as a central symmetric axis.
9. The piling drilling tool of claim 8, wherein:
the through hole structure is a square door hole; the number of the square door holes is 2; the 2 square door holes are distributed on two sides of the sleeve in a central symmetrical structure by taking a central vertical axis of the sleeve as a central symmetrical axis; the square door holes and the sliding grooves are sequentially and alternately distributed on the side wall of the sleeve at equal intervals.
10. The piling drilling tool of any one of claims 4 to 9, wherein:
the fixed connection is welding, screw connection or bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640201.9U CN203559771U (en) | 2013-10-16 | 2013-10-16 | Piling drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640201.9U CN203559771U (en) | 2013-10-16 | 2013-10-16 | Piling drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559771U true CN203559771U (en) | 2014-04-23 |
Family
ID=50509499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320640201.9U Expired - Lifetime CN203559771U (en) | 2013-10-16 | 2013-10-16 | Piling drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510850A (en) * | 2013-10-16 | 2014-01-15 | 武汉武船机电设备有限责任公司 | Piling drilling rig |
| CN104863524A (en) * | 2015-05-25 | 2015-08-26 | 中国矿业大学 | Drill rod with cutting teeth on helical blade |
-
2013
- 2013-10-16 CN CN201320640201.9U patent/CN203559771U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510850A (en) * | 2013-10-16 | 2014-01-15 | 武汉武船机电设备有限责任公司 | Piling drilling rig |
| CN103510850B (en) * | 2013-10-16 | 2017-04-05 | 武汉武船机电设备有限责任公司 | A kind of piling drilling rig |
| CN104863524A (en) * | 2015-05-25 | 2015-08-26 | 中国矿业大学 | Drill rod with cutting teeth on helical blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102996074B (en) | A kind of boring expands combined drill | |
| CN201730540U (en) | Rotary drilling machine and cylindrical drill thereof | |
| CN203594367U (en) | Spiral half soil squeezing and dumping drilling tool | |
| CN103216196A (en) | Drilling head capable of drilling into rock used for engineering pile | |
| CN102996075B (en) | A kind of boring expands way-type drilling unit | |
| CN102704519B (en) | Underground concrete wall making machine | |
| CN202227989U (en) | Combined drilling tool | |
| CN203559771U (en) | Piling drilling tool | |
| CN103510850B (en) | A kind of piling drilling rig | |
| CN102011548A (en) | Three-layer rock-socketed tube drill of rotary drilling rig | |
| CN217580231U (en) | Mine ecological remediation slope embedded greening structure | |
| CN206035386U (en) | Two waist hoop drill bits of drilling bored concrete pile three wings of drilling rod are pull in area | |
| CN102797254B (en) | Construction method for bottom-expanded pile casting by long-spiral drilling and compacted half soil sampling | |
| CN104612136B (en) | Soil taking type positive thread forming drilling tool structure and screw pile with varying thread pitches | |
| CN201062357Y (en) | Reaming bit for end oversized grout pile | |
| CN106761422A (en) | A kind of staged Percusion spiral drill head | |
| CN201031622Y (en) | Drill of rotary dig/drill machine | |
| CN201763243U (en) | Three-layer rock-socketed cylindrical drill for rotary drilling rig | |
| CN204728999U (en) | Drilling rig | |
| CN204225771U (en) | The embedding rock reaming bit of long auger guncreting pile | |
| CN204920798U (en) | Can receive a formula both wings ream bit | |
| CN202866658U (en) | Assembling type hole dilating drill | |
| CN206386140U (en) | One kind construction ground tension anchor rod | |
| CN202055750U (en) | Screw-type compact drilling device | |
| CN105201410A (en) | Combined rotary excavation drilling tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140423 Effective date of abandoning: 20170405 |