CN203939432U - A kind of reverse borehole-enlarging drilling tool - Google Patents
A kind of reverse borehole-enlarging drilling tool Download PDFInfo
- Publication number
- CN203939432U CN203939432U CN201420238768.8U CN201420238768U CN203939432U CN 203939432 U CN203939432 U CN 203939432U CN 201420238768 U CN201420238768 U CN 201420238768U CN 203939432 U CN203939432 U CN 203939432U
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- drilling tool
- reverse
- lower wall
- hook
- borehole
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Abstract
The utility model embodiment discloses a kind of reverse borehole-enlarging drilling tool, relates to drilling tool field.Can make rig reaming rate of penetration get a promotion.The drilling tool of described reverse reaming comprises: upper dish and lower wall, and described upper dish is connected with guide groove by guide rail with lower wall; On described guide rail and guide groove, be provided with hooking device; On described, coil and be articulated with at least two first connecting rods, be articulated with at least two second connecting rods on described lower wall, described first connecting rod is connected by bearing pin with second connecting rod; On described first connecting rod, be provided with the supine hobboing cutter of work.The utility model is applicable to the reaming drilling construction in drilling well.
Description
Technical field
The utility model relates to a kind of drilling tool, relates in particular to a kind of reverse borehole-enlarging drilling tool.
Background technology
In drilling process, generally adopt forward reaming drilling technology at home at present, this technology is carried out basipetal reaming and is crept into, although can creep into but speed very slowly and in drilling process can produce the chip after a large amount of fragmentations, thereby chip can drop to shaft bottom and by the multiple broken speed that reaming is crept into that reduced of bit weight.Therefore often need to mention drill bit draws hole operation, thereby has extended the time that reaming is crept into.
Utility model content
In view of this, the utility model provides a kind of reverse borehole-enlarging drilling tool, and the speed that can make rig reaming creep into gets a promotion.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
On the one hand, the utility model provides a kind of reverse borehole-enlarging drilling tool, comprising: upper dish and lower wall, and described upper dish is connected with guide groove by guide rail with lower wall; On described guide rail and guide groove, be provided with hooking device; On described, coil and be articulated with at least two first connecting rods, be articulated with at least two second connecting rods on described lower wall, described first connecting rod is connected by bearing pin with second connecting rod; On described first connecting rod, be provided with the supine hobboing cutter of work.
Optionally, described guide groove is arranged on described and coils, and described guide rail is arranged on described lower wall; Wherein said lower wall comprises: pilot bit, in described pilot bit upper end, be connected with dirt trap lower wall, and described pilot bit bottom is provided with roller; Wherein, described dirt trap lower wall is connected with described guide rail; On described dirt trap lower wall, be provided with slag suction mouth; Described second connecting rod is provided with collection slag chute;
Described reverse borehole-enlarging drilling tool is when reaming is crept into, and the landwaste after fragmentation, under the effect of deadweight, is slipped to described slag suction mouth place along described collection slag chute.
Optionally, at described slag suction mouth place, be also provided with block.
Optionally, described guide groove is arranged on described and coils, and described guide rail is arranged on described lower wall; Wherein said hooking device comprises:
Peg, one end of described peg and the first peg seat are articulated, and the other end is provided with elastic parts, is provided with the hook that turns over that can upwards rotate on described peg; Described elastic parts is connected on the second peg seat, and described the second peg seat is fixed on described chute;
Hook, is fixed on described slide rail;
When described guide groove direction guiding rail direction moves, described hook backs down and turns over hook and be interlocked with the described hook that turns over, and the drilling tool of described reverse reaming is in open configuration; When described guide groove and guide rail move in opposite direction, the power of turning on hook described in described hook is applied to is greater than after predetermined force, described hook with turn over hook and throw off, the drilling tool of described reverse reaming is in rounding state.
Optionally, described elastic parts comprises: the first jacket casing and the second jacket casing matching with described the first jacket casing, be provided with spring between described the first jacket casing and the second jacket casing; Between described spring and described the first jacket casing and/or the second jacket casing, be provided with pad.
Optionally, described upper dish top is connected with guider, and described guider is column, and described guider edge is evenly distributed with at least two cylinder rollers.
Optionally, described guider top is connected with universal drilling rod, described universal drilling rod top is connected with central tube, described universal drilling rod comprises: lower contact, described lower contact upper end is connected with cross head drilling rod, on described cross head drilling rod, be provided with flexible joint, described cross head drilling rod upper end is connected with top connection, and described central tube is connected in described top connection.
The drilling tool of the reverse reaming that the utility model embodiment provides, can utilize reverse borehole-enlarging drilling tool to hole, described reverse borehole-enlarging drilling tool is when oppositely creeping into, because rock can be reversed borehole-enlarging drilling tool to the leading hole direction extruding being drilled with in advance, make the suffered clipping power of rock less, thereby make reverse reamer prodigiosin easily and reaming fast, with regard to having reduced the time of ream operation, improved the speed that reaming is crept into like this.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of reverse borehole-enlarging drilling tool one embodiment of the utility model;
Fig. 2 expands the structural representation of the drilling tool embodiment at the end to leading hole in the utility model embodiment;
Fig. 3 is the structural representation of a kind of reverse borehole-enlarging drilling tool one embodiment of the utility model;
Fig. 4 is a kind of reverse borehole-enlarging drilling tool one embodiment guide structure schematic diagram of the utility model;
Fig. 5 is the universal drilling rod structural representation of a kind of reverse borehole-enlarging drilling tool one embodiment of the utility model;
Fig. 6 is that a kind of reverse borehole-enlarging drilling tool one embodiment of the utility model pushes the structural representation that turns over hook open;
Fig. 7 is that a kind of reverse borehole-enlarging drilling tool one embodiment of the utility model pins the structural representation that turns over hook.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of reverse borehole-enlarging drilling tool of the utility model embodiment is described in detail.
Should be clear and definite, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, a kind of reverse borehole-enlarging drilling tool embodiment of the utility model, comprising: above coil 17 and lower wall 18, described upper dish 17 is connected with guide groove 19 by guide rail 20 with lower wall 18; On described guide rail 20 and guide groove 19, be provided with hooking device 21; On described upper dish 17, be articulated with at least two first connecting rods 22, on described lower wall 18, be articulated with at least two second connecting rods 23, described first connecting rod 22 is connected by bearing pin with second connecting rod 23; On described first connecting rod 22, be provided with the supine hobboing cutter 24 of work.
The reverse borehole-enlarging drilling tool that the utility model embodiment provides, can utilize reverse borehole-enlarging drilling tool to hole, described reverse borehole-enlarging drilling tool is when oppositely creeping into, because rock can be reversed borehole-enlarging drilling tool to the leading hole direction extruding being drilled with in advance, make the suffered clipping power of rock less, thereby make reverse reamer prodigiosin easily and reaming fast, with regard to having reduced the time of ream operation, improved the speed that reaming is crept into like this.
In the embodiment of the reverse borehole-enlarging drilling tool of the utility model, optional, described guide groove 19 is arranged on described upper dish 17, and described guide rail 20 is arranged on described lower wall 18; Wherein said lower wall 18 comprises: pilot bit 1, in described pilot bit 1 upper end, be connected with dirt trap lower wall 25, and described pilot bit 1 bottom is provided with roller 26; Wherein, described dirt trap lower wall 25 is connected with described guide rail 20; On described dirt trap lower wall 25, be provided with slag suction mouth; Described second connecting rod 23 is provided with collection slag chute 27; Described reverse borehole-enlarging drilling tool is when reaming is crept into, and the landwaste after fragmentation, under the effect of deadweight, is fallen described slag suction mouth place along described collection slag chute sliding 27.
In the utility model embodiment, described reverse borehole-enlarging drilling tool is connected with collection slag chute and the rock scrap collecting producing in drilling process can be got up and transfers to ground by slag suction mouth, has so just avoided rock chip to fall into having reduced bottom hole the time of emptying operation to improve the speed that reaming is crept into.
In the embodiment of the reverse borehole-enlarging drilling tool of the utility model, optional, at described slag suction mouth, place is also provided with block 28.
In the utility model embodiment, described block can be calmed the anger the rock chip gear producing in reverse reaming process to be promoted reverse circulation system and takes ground at slag suction mouth place, prevents that rock chip from falling in hole.
Referring to Fig. 3, Fig. 6 and Fig. 7, in the embodiment of the reverse borehole-enlarging drilling tool of the utility model, optional, described guide groove 19 is arranged on described upper dish 17, and described guide rail 20 is arranged on described lower wall 18; Wherein said hooking device 21 comprises: peg 9, one end of described peg 9 and the first peg seat 8 are articulated, the other end is provided with elastic parts 29, on described peg 9, be provided with can upwards rotate turn over hook 14; Described elastic parts 29 is connected on the second peg seat 15, and described the second peg seat 15 is fixed on described guide groove 19; Hook 16, is fixed on described guide rail 20; When described guide groove 19 direction guiding rail 20 directions move, described hook 16 backs down and turns over hook 14 and be interlocked with the described hook 14 that turns over, and the drilling tool of described reverse reaming is in open configuration; When described guide groove 19 and guide rail 20 move in opposite direction, the power of turning on hook 14 described in described hook 16 is applied to is greater than after predetermined force, described hook 16 with turn over hook 14 and throw off, the drilling tool of described reverse reaming is in rounding state.
In the utility model embodiment, in described hooking device hook and turn over hook by described guide groove and guide rail relatively move fasten and separate and can control flexibly like this opening and closing up of reverse borehole-enlarging drilling tool.
Referring to Fig. 3, in the embodiment of the reverse borehole-enlarging drilling tool of the utility model, optional, described elastic parts 29 comprises: the first jacket casing 10 and the second jacket casing 13 matching with described the first jacket casing, be provided with spring 12 between described the first jacket casing 10 and the second jacket casing 13; Between described spring 12 and described the first jacket casing 10 and/or the second jacket casing 13, be provided with pad 11.
In the utility model embodiment, the spacer thickness arranging between described the first jacket casing and/or the second jacket casing can regulate, by regulating the thickness of described pad can regulate described hook to turn over the specified predetermined force on hook described in being applied to.
Referring to Fig. 1 and Fig. 4, in the embodiment of the reverse borehole-enlarging drilling tool of the utility model, optional, described upper dish 17 tops are connected with guider 5, and described guider 5 is column, and described guider 5 edges are evenly distributed with at least two cylinder rollers 30.
In the utility model embodiment, the roller on described guider can play the guiding role for creeping into of described reverse borehole-enlarging drilling tool.
Referring to Fig. 1 and Fig. 5, in the embodiment of the reverse borehole-enlarging drilling tool of the utility model, optionally, described guider 5 tops are connected with universal drilling rod 6, and described universal drilling rod 6 tops are connected with central tube 7, and described universal drilling rod 6 comprises: lower contact 31, described lower contact 31 upper ends are connected with cross head drilling rod 32, on described cross head drilling rod 32, be provided with flexible joint 33, described cross head drilling rod 32 upper ends are connected with top connection 34, and described central tube 7 is connected in described top connection 34.
In the utility model embodiment, described universal drilling rod guarantees the smooth transition in drilling tool and leading hole, eliminates central tube stress and concentrates, and efficiently solves a bit bouncing difficult problem.
The utility model also provides a kind of embodiment of the method for reverse reaming, comprising: be drilled with leading hole to projected depth; The end, is expanded in described leading hole of to; Reverse borehole-enlarging drilling tool is transferred to bottom, leading hole and carried out reverse reaming.
The method of the reverse reaming that the utility model embodiment provides, when oppositely creeping into, because rock can be reversed borehole-enlarging drilling tool to the leading hole direction extruding being drilled with in advance, make the suffered clipping power of rock less, thereby make reverse reamer prodigiosin easily and reaming fast, with regard to having reduced the time of ream operation, improved the speed that reaming is crept into like this.
Referring to Fig. 2, in the embodiment of the reverse expanding method of the utility model, optionally, describedly the end, is expanded in described leading hole of to comprised: the bottom expanding drill that bottom expanding drill 3 is installed is being lowered in leading hole after the drilling to completion of leading hole, under the Action of Gravity Field of bottom expanding drill 3, the linkage of bottom expanding drill is progressively opened, the rig rotation being at this moment connected with described bottom expanding drill, bottom expanding drill is progressively transferred, and carries out ream drilling.
In the utility model embodiment, described ream drilling for described in next step oppositely the reverse borehole-enlarging drilling tool of reaming in creeping into be lowered in leading hole and to open described reverse borehole-enlarging drilling tool ready.
Referring to Fig. 2, in the embodiment of the reverse expanding method of the utility model, optional, the method for described reverse reaming also comprises: described bottom expanding drill comprises the leading collet 2 that is arranged on bottom, in the bottom of described leading collet 2, is provided with roller; Described rig rotation, when drilling tool is progressively transferred, relies on the support of the roller that is arranged on leading collet bottom, and described leading collet can not down creep into.
In the utility model embodiment, the described roller that is arranged on leading collet bottom both can support whole reverse borehole-enlarging drilling tool, can when described rig rotation, guarantee that described drilling tool is not down creeping into again, thereby guarantee the stability that reverse reaming is crept into, improve reaming speed.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 6 and Fig. 7, in the embodiment of the reverse expanding method of the utility model, optional, described reverse borehole-enlarging drilling tool comprises: above coil 17 and lower wall 18, described upper dish 17 is connected with guide groove by guide rail with lower wall 18; On described guide rail and guide groove, be provided with hooking device; On described, coil and be articulated with at least two first connecting rods, be articulated with at least two second connecting rods on described lower wall, described first connecting rod is connected by bearing pin with second connecting rod; On described first connecting rod, be provided with the supine hobboing cutter of work; Described guide groove is arranged on described upper dish 17, and described guide rail is arranged on described lower wall 18;
Wherein said lower wall comprises: pilot bit, in described pilot bit upper end, be connected with dirt trap lower wall, and described pilot bit bottom is provided with roller; Wherein, described dirt trap lower wall is connected with described guide rail; On described dirt trap lower wall, be provided with slag suction mouth; Described second connecting rod is provided with collection slag chute; Described reverse borehole-enlarging drilling tool is when reaming is crept into, and the landwaste after fragmentation, under the effect of deadweight, is slipped to described slag suction mouth place along described collection slag chute;
By described reverse borehole-enlarging drilling tool in decentralization process in leading hole, the peg 16 in the hooking device of described reverse borehole-enlarging drilling tool with turn over hook 14 and throw off, oppositely borehole-enlarging drilling tool is in becoming rounding state; Pilot bit 1 is transferred in leading hole and is transferred at the end, under Action of Gravity Field, and peg in hooking device 16 and turn over hook 14 and buckle, the linkage of reaming bit pins, and oppositely borehole-enlarging drilling tool is in open configuration; Rig up promotes and rotary drilling, has started reverse reaming and has crept into; Wherein, the pressure of the drill oppositely creeping into provides by rig lifting force.
In the utility model embodiment, described pilot bit on earth after, under Action of Gravity Field, peg in hooking device and turning on fastener, because drilling tool self gravitation opens reverse borehole-enlarging drilling tool, on drilling tool structure, saved like this dynamical system of described reverse borehole-enlarging drilling tool, designs simplification has reduced cost, has saved resource.
In the embodiment of the reverse expanding method of the utility model, optionally, described reverse borehole-enlarging drilling tool is transferred and to bottom, leading hole, carried out reverse reaming and comprise: described reaming is crept into mode and selected once oppositely complete dark the or forward and reverse reaming of segmentation of reamer to creep into according to strata condition.
In the utility model embodiment, if rock decay band is relatively stable, while generally not falling bulk, can select once reverse reamer entirely dark; If rock decay band is broken serious, easily fall rock block, in alluvium and rock section, adopt reverse reaming to creep into, at zone of fracture, adopt forward chambering process, while avoiding reverse reaming, at weathered zone, by the fractured rock of bulk, blocked or smash reverse borehole-enlarging drilling tool.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. a reverse borehole-enlarging drilling tool, is characterized in that, comprising:
Upper dish and lower wall, described upper dish is connected with guide groove by guide rail with lower wall;
On described guide rail and guide groove, be provided with hooking device;
On described, coil and be articulated with at least two first connecting rods, be articulated with at least two second connecting rods on described lower wall, described first connecting rod is connected by bearing pin with second connecting rod;
On described first connecting rod, be provided with the supine hobboing cutter of work.
2. reverse borehole-enlarging drilling tool according to claim 1, is characterized in that,
Described guide groove is arranged on described and coils, and described guide rail is arranged on described lower wall; Wherein
Described lower wall comprises: pilot bit, in described pilot bit upper end, be connected with dirt trap lower wall, and described pilot bit bottom is provided with roller; Wherein, described dirt trap lower wall is connected with described guide rail;
On described dirt trap lower wall, be provided with slag suction mouth;
Described second connecting rod is provided with collection slag chute;
Described reverse borehole-enlarging drilling tool is when reaming is crept into, and the landwaste after fragmentation, under the effect of deadweight, is slipped to described slag suction mouth place along described collection slag chute.
3. reverse borehole-enlarging drilling tool according to claim 2, is characterized in that, at described slag suction mouth, place is also provided with block.
4. reverse borehole-enlarging drilling tool according to claim 1, is characterized in that, described guide groove is arranged on described and coils, and described guide rail is arranged on described lower wall; Wherein
Described hooking device comprises:
Peg, one end of described peg and the first peg seat are articulated, and the other end is provided with elastic parts, is provided with the hook that turns over that can upwards rotate on described peg; Described elastic parts is connected on the second peg seat, and described the second peg seat is fixed on described guide groove;
Hook, is fixed on described guide rail;
When described guide groove direction guiding rail direction moves, described hook backs down and turns over hook and be interlocked with the described hook that turns over, and the drilling tool of described reverse reaming is in open configuration; When described guide groove and guide rail move in opposite direction, the power of turning over described in described hook is applied on hook is greater than after predetermined force, and described elastic parts produces compressive deformation, and described peg rotates around described the first peg seat, described hook with turn over hook and throw off, the drilling tool of described reverse reaming is in rounding state.
5. reverse borehole-enlarging drilling tool according to claim 4, is characterized in that, described elastic parts comprises:
The first jacket casing and the second jacket casing matching with described the first jacket casing, be provided with spring between described the first jacket casing and the second jacket casing;
Between described spring and described the first jacket casing and/or the second jacket casing, be provided with pad.
6. reverse borehole-enlarging drilling tool according to claim 1, is characterized in that, described upper dish top is connected with guider, and described guider is column, and described guider edge is evenly distributed with at least two cylinder rollers.
7. reverse borehole-enlarging drilling tool according to claim 6, is characterized in that, described guider top is connected with universal drilling rod, and described universal drilling rod top is connected with central tube;
Described universal drilling rod comprises: lower contact, and described lower contact upper end is connected with cross head drilling rod, on described cross head drilling rod, is provided with flexible joint, and described cross head drilling rod upper end is connected with top connection, and described central tube is connected in described top connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238768.8U CN203939432U (en) | 2014-05-09 | 2014-05-09 | A kind of reverse borehole-enlarging drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238768.8U CN203939432U (en) | 2014-05-09 | 2014-05-09 | A kind of reverse borehole-enlarging drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939432U true CN203939432U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238768.8U Expired - Fee Related CN203939432U (en) | 2014-05-09 | 2014-05-09 | A kind of reverse borehole-enlarging drilling tool |
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| CN (1) | CN203939432U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018782A (en) * | 2014-05-09 | 2014-09-03 | 中煤矿山建设集团有限责任公司 | Reverse reaming method and reverse reaming drilling tool |
| CN104674793A (en) * | 2015-02-14 | 2015-06-03 | 王运举 | Light-grab piling device for deep-foundation well |
| CN108612093A (en) * | 2017-03-06 | 2018-10-02 | 李海兰 | A kind of arcuate building ground pile-forming equipment |
-
2014
- 2014-05-09 CN CN201420238768.8U patent/CN203939432U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018782A (en) * | 2014-05-09 | 2014-09-03 | 中煤矿山建设集团有限责任公司 | Reverse reaming method and reverse reaming drilling tool |
| CN104674793A (en) * | 2015-02-14 | 2015-06-03 | 王运举 | Light-grab piling device for deep-foundation well |
| CN104674793B (en) * | 2015-02-14 | 2016-10-26 | 王运举 | A kind of deep Ji Jing gently grabs piling equipment |
| CN108612093A (en) * | 2017-03-06 | 2018-10-02 | 李海兰 | A kind of arcuate building ground pile-forming equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160509 |