CN203905973U - Mining downhole recycling device for anchor rods - Google Patents
Mining downhole recycling device for anchor rods Download PDFInfo
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- CN203905973U CN203905973U CN201420312379.5U CN201420312379U CN203905973U CN 203905973 U CN203905973 U CN 203905973U CN 201420312379 U CN201420312379 U CN 201420312379U CN 203905973 U CN203905973 U CN 203905973U
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Abstract
The utility model discloses a mining downhole recycling device for anchor rods. The device comprises a wet-type electric coal drill, a switching connector, a combined hollow spiral drill rod and a core taking drill bit, wherein the electric coal drill is connected with one end of the combined hollow spiral drill rod through the switching connector, the hollow core taking drill bit is installed at the other end of the combined hollow spiral drill rod, the combined hollow spiral drill rod is formed by connecting a plurality of detachable segmented hollow spiral drill rods, and the inner diameter of the combined hollow spiral drill rod and the inner diameter of the core taking drill bit are slightly larger than the diameter of each anchor rod. The device is simple and reliable in structure, convenient and flexible to operate and small in number of parts, the parts are disassembled and assembled conveniently, the anchor rod recycling time is greatly shortened, and therefore the recycling device has the advantages of being capable of fast recycling the anchor rods under the condition that the device is applicable to a downhole operation environment, high in practicability, reliability, recycling efficiency and reuse rate of the recycled anchor rods and the like.
Description
Technical field
The utility model relates to anchor recovering equipment, particularly a kind of mine anchor rod well recovering apparatus.
Background technology
In underground mining process, bolt support has been widely applied in the middle of underworkings Surrounding Rock Control as a kind of traditional support pattern, and generally adopt be twisted steel anchor rod.Along with scrapping of the extraction of subterranean resource, tunnel, there is a large amount of anchor poles to reclaim multiplexing, first, can save supporting and drop into, reduce production costs, improve Business Economic Benefit; Secondly,, in the middle of manufacturing process, for ease of Stope roof control, need to remove local support action, to reduce potential safety hazard; Again, anchor pole Metallic rod residual in coal-face rib is known from experience the normal operation that has influence on the equipment such as coal-winning machine, drag conveyor, and potential safety hazard is larger.But, when needs reclaim bolt support material or remove bolt support and do the used time, due to down-hole spatial limitation and the reason such as resource distribution is limited, be often difficult to be achieved, so not only can cause the very large wasting of resources, be also unfavorable for downhole safety production simultaneously.
At present, the method of on-the-spot application anchor recovering mainly contains: 1. recovering stock is installed, anchor pole itself possesses the function of recovery, but the anchored force of recoverable anchor rod depends primarily on the quality of anchor pole itself and near the integrality of (coal) rock mass of anchor point, and in coal road the inside, general application is less; 2. directly extract anchor pole by equipment such as hydraulic jack, the construction of this kind of method is simple, but operates dangerously, and the anchor pole stretching torsional deformation reclaiming is serious, and reusability is low; 3. destroy the anchorage part of anchor pole by the special medicament of employing, thereby reclaim anchor pole, the fault that the method reclaims is less, can reclaim rapidly anchor pole, and shortcoming is that general chemical agent has pollution to environment more, applies less.
What up till now, there is no that a kind of process equipment of anchor recovering and method can adapt to the inner anchor pole of coal-face, coal road and half coal rock tunnel country rock completely fast and safely effectively reclaims operation.
Utility model content
The utility model object is to overcome the defect of prior art, and a kind of simple to operation, strong adaptability, the effective mine anchor rod well recovering apparatus of anchor pole under recovery well are provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of mine anchor rod well recovering apparatus, comprise wet coal electric drill, crossover sub, Combined hollow auger stem and coring bit, by crossover sub, wet coal electric drill is connected with Combined hollow auger stem one end, the Combined hollow auger stem other end is installed hollow coring bit, described Combined hollow auger stem is connected to form by some dismountable segmentation hollow screw drilling rods, and Combined hollow auger stem and coring bit internal diameter are all slightly larger than bolt diameter.
Described Combined hollow auger stem is connected to form by some dismountable segmentation hollow screw drilling rods, and each segmentation hollow screw drilling rod is made up of seamless steel pipe periphery welding helical blade, and blade height is 6～10mm.
Described each segmentation hollow screw drill rod end arranges threaded joints, and the each segmentation hollow screw drilling rod portion of being threaded connection interconnects, and Combined hollow auger stem and coring bit are threaded connection.
Described crossover sub and Combined hollow auger stem adopt socket connection mode, by inserting the elastic elliptic anticreep latch in pin hole on crossover sub and Combined hollow auger stem, changing-over head and hollow screw drilling rod are connected and fixed.
Described each segmentation hollow screw run of steel is 500～1000mm.
The utlity model has following advantage:
The utility model is by wet coal electric drill, crossover sub, Combined hollow auger stem and coring bit composition, apparatus structure is simple and reliable, flexible to operation, Combined hollow auger stem is connected to form and not limited by underground job space size by some dismountable segmentation hollow screw drilling rods, device feature is few, dismounting and easy for installation between wet coal electric drill and crossover sub and each parts, greatly reduce the anchor recovering time, thereby ensure that this recovery apparatus can reclaim fast anchor pole in the situation that adapting to working environment at coal mines, have practical, good reliability, organic efficiency height and the high feature of recovery anchor pole reusability.
Brief description of the drawings
Fig. 1 is the each parts connection diagram of the utility model;
Fig. 2 is Combined hollow auger stem connection diagram;
Wherein: wet coal electric drill 1, crossover sub 2, hollow screw drilling rod 3, coring bit 4, water inlet 5, pin hole 6, helical blade 7, threaded joints 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model will be further described:
As shown in Figure 1, the utility model roofbolt recovering device structure is as follows: wet coal electric drill 1 offers Combined hollow auger stem 3 and coring bit 4 by crossover sub 2 and water inlet 5 by power and water supply.As shown in Figure 2, Combined hollow auger stem 3 is connected to form by some dismountable segmentation hollow screw drilling rods, each segmentation hollow screw drill rod end arranges threaded joints 8, each segmentation hollow screw drilling rod is threaded connection portion 8 and interconnects, Combined hollow auger stem 3 is threaded connection with coring bit 4, and each segmentation hollow screw drilling rod internal diameter and coring bit 4 internal diameters are all slightly larger than bolt diameter.In the situation that not possessing, can select down-hole anchor recovering operating location dynamic condition dry type electric coal drill to replace wet coal electric drill, possess two kinds of anchor recovering modes of dry type and wet type, can be applicable to the anchor recovering operation of down-hole coal excavation work plane, coal road and half coal rock tunnel.Adopt linear cylindrical to get core mode, operation is not limited by narrow space, can protect operation site surrounding not crept into dust pollution.
As further prioritization scheme, each segmentation hollow screw drilling rod is made up of seamless steel pipe periphery welding helical blade 7.Combined hollow auger stem is designed to helically blade type, and blade height is 6～10mm, is combined by 2～4 joint segmentation hollow screw drilling rods, and every joint length is 500～1000mm, between each segmentation hollow screw drilling rod, adopts thread connecting mode.Crossover sub 2 adopts socket connection mode with Combined hollow auger stem 3, the pin hole 6 that when connection, elastic elliptic anticreep latch inserts on crossover sub 2 and hollow screw drilling rod 3 is connected and fixed the two, while reclaiming operation, the elasticity auto-lock function of elastic elliptic anticreep latch makes it be difficult for rotating and coming off, convenient disassembly, connects reliable.
The utility model operating principle is as follows:
While reclaiming anchor bolt construction, first remove termination point of anchor rod hold-down nut and pallet, hollow screw drilling rod is connected with coring bit 4, after first segment segmentation hollow screw drilling rod is connected with crossover sub 2, coring bit is enclosed within to anchor pole end face, connect wet type coal 1 electric drill and crossover sub 2, insert after oval anticreep latch, creep into until first segment segmentation hollow screw drilling rod while being about to pierce coal body along anchor pole, pull down elastic elliptic anticreep latch, extract crossover sub, be threaded connection second section segmentation hollow screw drilling rod at the segmentation hollow screw drilling rod afterbody that pierces coal body, then coupling adapter continues to creep into along anchor pole, until pierce eyeground anchor pole Automatic-falling, anchor recovering finishes.。
The utility model is the underground of colliery and other use anchor pole; a kind of mine anchor rod well recovering apparatus is provided the in the situation that at working space, limited and operating environment needing protection; adopt hollow screw to drill through anchor pole under the method recovery well of core; be applicable to the recovery operation at down-hole coal excavation work plane, coal road or any anchor pole of half coal rock tunnel, there is practical, good reliability, organic efficiency high and reclaim the high feature of anchor pole reusability.
Claims (5)
1. a mine anchor rod well recovering apparatus, it is characterized in that: comprise wet coal electric drill (1), crossover sub (2), Combined hollow auger stem (3) and coring bit (4), by crossover sub (2), wet coal electric drill is connected with Combined hollow auger stem (3) one end, Combined hollow auger stem (3) other end is installed hollow coring bit (4), described Combined hollow auger stem (3) is connected to form by some dismountable segmentation hollow screw drilling rods, Combined hollow auger stem (3) and coring bit (4) internal diameter are all slightly larger than bolt diameter.
2. mine anchor rod well recovering apparatus according to claim 1, is characterized in that: described each segmentation hollow screw drilling rod is made up of seamless steel pipe periphery welding helical blade (7), and blade height is 6～10mm.
3. mine anchor rod well recovering apparatus according to claim 2, it is characterized in that: described each segmentation hollow screw drill rod end arranges threaded joints (8), each segmentation hollow screw drilling rod is threaded connection portion (8) and interconnects, and Combined hollow auger stem (3) is threaded connection with coring bit (4).
4. according to the mine anchor rod well recovering apparatus described in claim 1-3 any one, it is characterized in that: described crossover sub (2) adopts socket connection mode with Combined hollow auger stem (3), by the elastic elliptic anticreep latch inserting in the upper pin hole (6) of crossover sub (2) and Combined hollow auger stem (3), changing-over head (2) and hollow screw drilling rod (3) are connected and fixed.
5. according to the mine anchor rod well recovering apparatus described in claim 1-3 any one, it is characterized in that: described each segmentation hollow screw run of steel is 500～1000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312379.5U CN203905973U (en) | 2014-06-12 | 2014-06-12 | Mining downhole recycling device for anchor rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312379.5U CN203905973U (en) | 2014-06-12 | 2014-06-12 | Mining downhole recycling device for anchor rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905973U true CN203905973U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420312379.5U Active CN203905973U (en) | 2014-06-12 | 2014-06-12 | Mining downhole recycling device for anchor rods |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929664A (en) * | 2015-05-11 | 2015-09-23 | 邹城兖矿泰德工贸有限公司 | Anchor rod recycling device |
| CN105888707A (en) * | 2016-06-22 | 2016-08-24 | 王跃平 | Anchor retrograding device drill bit |
| CN106368725A (en) * | 2016-11-25 | 2017-02-01 | 中国矿业大学 | Pore-broadening self-rotating anchor rod and use method |
| CN107401417A (en) * | 2017-08-23 | 2017-11-28 | 山西煤炭运销集团裕兴煤业有限公司 | A kind of mine coal helps anchor recovering method |
| CN107433353A (en) * | 2017-09-14 | 2017-12-05 | 张家港钻通设备有限公司 | A kind of combined drill device with multistage drill bit |
| CN112324480A (en) * | 2020-11-25 | 2021-02-05 | 山西潞安集团余吾煤业有限责任公司 | Collapsible anchor rod device that moves back |
-
2014
- 2014-06-12 CN CN201420312379.5U patent/CN203905973U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929664A (en) * | 2015-05-11 | 2015-09-23 | 邹城兖矿泰德工贸有限公司 | Anchor rod recycling device |
| CN104929664B (en) * | 2015-05-11 | 2017-09-29 | 邹城兖矿泰德工贸有限公司 | Roofbolt recovering device |
| CN105888707A (en) * | 2016-06-22 | 2016-08-24 | 王跃平 | Anchor retrograding device drill bit |
| CN106368725A (en) * | 2016-11-25 | 2017-02-01 | 中国矿业大学 | Pore-broadening self-rotating anchor rod and use method |
| CN107401417A (en) * | 2017-08-23 | 2017-11-28 | 山西煤炭运销集团裕兴煤业有限公司 | A kind of mine coal helps anchor recovering method |
| CN107433353A (en) * | 2017-09-14 | 2017-12-05 | 张家港钻通设备有限公司 | A kind of combined drill device with multistage drill bit |
| CN112324480A (en) * | 2020-11-25 | 2021-02-05 | 山西潞安集团余吾煤业有限责任公司 | Collapsible anchor rod device that moves back |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |