CN2475832Y - Anchor rod recovery apparatus - Google Patents
Anchor rod recovery apparatus Download PDFInfo
- Publication number
- CN2475832Y CN2475832Y CN 01216582 CN01216582U CN2475832Y CN 2475832 Y CN2475832 Y CN 2475832Y CN 01216582 CN01216582 CN 01216582 CN 01216582 U CN01216582 U CN 01216582U CN 2475832 Y CN2475832 Y CN 2475832Y
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- drill
- anchor pole
- drilling rod
- jointing
- utility
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Abstract
The utility model relates to a recovery device for anchor rods, which is suitable for recovering anchor rods in coal roads and soft rock roads. When the utility model is driven by a dry type electric coal drill, the utility model is composed of a twist drill tail, a side type water injector, a connector lug, a tube type drill rod and a drill head; when the utility model is driven by a wet type electric coal drill, the side type water injector is omitted. The front end of the twist drill tail is orderly fastened and connected with the connector lug, the tube type drill rod and the drill head through a core shaft of the side type water injector by threads, or the front end of the twist drill tail is directly and orderly fastened and connected with the connector lug, the tube type drill rod and the drill head by the threads; drill teeth of the drill head not protrude to the inner wall of the body of the drill head. The utility model has the advantages of simple structure, simple and convenient operation, safety, reliability and high efficiency; the anchor rods are not easy to damage, the reutilization rate of each anchor rod is high, and one anchor rod can be recovered by two to four minutes.
Description
The utility model relates to mine bolt support field, particularly a kind ofly is applicable to that coal road and soft-rock tunnel reclaim the anchor pole recovery apparatus that anchor pole is used under the coal mine.
Along with the exploitation of adopting face, scrapping of tunnel will have a large amount of anchor poles to reclaim.The recovery of anchor pole is multiplexing, saves a large amount of raw material, produces to reduce to the colliery and drops into, and reduces cost of ton coal, increases economic efficiency.At present, the method that anchor pole reclaims has: 1. blow out recoverys: this method expends explosives and detonators, easily causes the anchor pole damage, and the pressure-bearing of protection pillar is caused adverse effect.2. utilize winch to reclaim anchor pole: make easily that anchor pole is broken, bending and undergauge, reduce anchor rod strength, it is many to take equipment, and the place to use is restricted.As when certain work plane anchor pole reclaims, break rate 8%, diameter reducing rate 15% reclaims reusability 77%.
China Patent Gazette for Utility Models the 10th volume, the patent that name is called " anchor pole recovery machine ", its patent No.: ZL94205472.5, notification number: CN 218478Y are disclosed for No. 49.Its purpose provides a kind of anchor pole recovery machine that down-hole, mine abandoned working support anchor rod reclaims that is used for.Its formation is to be controlled upper cylinder half chamber, high pressure chest and the low pressure chamber of hydraulic pressure stalk pulling device by hydraulic pump, hydraulically operated valve; Hanging with clamping dop in the upper cylinder half chamber clamps or unclamps and the pull bar that is connected by the bar that weighs anchor, and draws in the high pressure chest with clamping dop firm grip pull bar, and high pressure liquid promotion piston also drives pull bar and moves down, and pulls up the anchor pole that push up in the lane; Weak point is to adopt the method for powerful drawing easily to make anchor pole draw bad or undergauge, reduces reusability.
Purpose of design of the present utility model is to avoid the deficiencies in the prior art part and a kind of simple in structure, easy and simple to handle, safety labor-saving, efficient height is provided, and can reduce the damage of anchor pole, improve the anchor pole reusability, be fit to coal road and soft-rock tunnel and reclaim the anchor pole recovery apparatus that anchor pole is used.
Purpose of design of the present utility model can reach by following measure:
The anchor pole recovery apparatus that adopts the dry type electric coal drill to drive is made of fluted drill tail, side formula injector, jointing, tubular type drilling rod and drill bit; The front end of its fluted drill tail through the stem stem of side formula injector, sequentially connects by screw threads for fastening successively with jointing, tubular type drilling rod and drill bit.The anchor pole recovery apparatus that adopts the wet type electric coal drill to drive is made of hollow fluted drill tail, jointing, tubular type drilling rod and drill bit; Hollow fluted drill tail, jointing, tubular type drilling rod and drill bit sequentially connect by screw threads for fastening successively.The brill tooth of drill bit is not outstanding to the inwall of bit body.
Purpose of design of the present utility model can also reach by following measure:
Between the jointing and tubular type drilling rod of this anchor pole recovery apparatus, adjunction extension arm and transition joint.That is,, more piece tubular type drilling rod is connected use by transition joint.
The internal diameter of the tubular type drilling rod of this anchor pole recovery apparatus and drill bit and extension arm and transition joint when anchoring agent anchoring strength is not too high, is selected to get final product greater than the diameter of square; When anchoring agent anchoring strength is higher, the diameter that the selection of their internal diameter is solidified greater than the anchoring agent.
The utility model compared with prior art has following advantage:
1. safe and reliable, technology is simple, efficient is high, can not only return the anchor pole in the supporting scope before the excess of export in advance, and should not cause anchor pole to damage, and improves the reusability of anchor pole.As adopt the utility model to reclaim anchor pole for a long time at certain work plane coal road, reclaim reusability and reach 100%.Each drill bit is recoverable anchor rod more than 50 at least.2～4 minutes is a recyclable anchor pole.
2. simple in structure, easily manufactured, cost is low.
The drawing of accompanying drawing is described as follows:
Fig. 1: the structural representation front view that the utility model adopts the dry type electric coal drill to drive
Fig. 2: side formula injector and the structural representation sectional view that connects with fluted drill tail, jointing thereof
Fig. 3: the structural representation front view that the utility model adopts the wet type electric coal drill to drive
Fig. 4: the structural representation front view of drill bit
Fig. 5: the structural representation sectional view of drill bit
Fig. 6: the connection schematic diagram sectional view of transition joint
The utility model is described in further detail below in conjunction with drawings and Examples:
Embodiment 1:
Structure when Fig. 1 shows 1 driving of the utility model anchor pole recovery apparatus employing dry type electric coal drill.It is made of fluted drill tail 2, side formula injector 3, jointing 4, tubular type drilling rod 5, drill bit 6.The front end of its fluted drill tail 2, through mandrel 7 and jointing 4, tubular type drilling rod 5 and the drill bit 6 of side formula injector, by after forward, sequentially connect successively by screw threads for fastening, and keep the axle center unanimity of each part.
Match with the shape in dry type electric coal drill 1 output shaft core hole in fluted drill tail 2 rear portions; Fluted drill tail 2 front ends are tapped cover tubular interface, and this interface cooperates connection with the external screw thread of side formula injector mandrel 7 rear ends.The external screw thread of side formula injector mandrel 7 front ends connects with the screw-internal thread fit of jointing 4 rear ends.
Tubular type drilling rod 5 is the round steel pipe of a length greater than rock-bolt length, and external screw thread all is with at its two ends, connects with the drill bit 6 of its front and back, the screw-internal thread fit of jointing 4 respectively.The internal diameter of tubular type drilling rod 5 when anchoring agent anchoring strength is not too high, can be selected bigger than the diameter of square; When anchoring agent anchoring strength was higher, the internal diameter of selection can be greater than the diameter that solidifies of anchoring agent.
Fig. 2 show side formula injector 3 structure and with the connecting of fluted drill tail 1, jointing 4.Side formula injector 3 is made of overcoat 9, mandrel 7, door 8 etc.Overcoat 9 is cylindrical, two ends band internal thread.Two doors 8 are loaded on overcoat 9 two ends by screw thread; And wherein overcoat 9 front ends are that left-hand thread connects with connecting of door 8.Mandrel 7 is positioned at the axle center of overcoat 9, and its two ends pass from the axle center hole of door 8, connects with fluted drill tail 2, jointing 4 respectively; Be hydroecium between the stage casing of mandrel 7 and the overcoat 9; There is an axially extending bore in the axle center of mandrel 7, claims water-guiding hole, and mandrel 7 middle parts also have a radial hole, claims the inlet opening, and two holes are communicated with, and communicates with hydroecium; Between the both sides of hydroecium, overcoat 9 and door 8 inner faces packing 10 is housed.The overcoat 8 middle parts outsides has water to chew 11, and water is chewed 11 core hole and communicated with hydroecium.Water is chewed also available snap joint and is replaced.
Chew 11 water that inject side formula injectors 3 hydroeciums by water pipe through water, the inlet opening on mandrel 7 flows into water-guiding hole, and then through jointing 4, tubular type drilling rod 5 and drill bit 6, flows into boring at last, washes away drilling cuttings.
Fig. 4,5 show the structure of drill bit 6, are made of bit body 17 and brill tooth 16.Bit body 17 is the pipe shape, its rear end band internal thread, connects with tubular type drilling rod 5; Tooth 16 is bored in its front end end setting-in welding, bores tooth 16 numbers and is generally 6～8.Boring tooth 16 must not be outstanding to the inwall of bit body 17, in order to avoid the collision anchor pole.The selection of the internal diameter of drill bit 6, consistent with the internal diameter of tubular type drilling rod 5.
Embodiment 2:
Formation when Fig. 3 shows the utility model anchor pole recovery apparatus and wet type electric coal drill 12 and is used.At this moment, the anchor pole recovery apparatus is by hollow fluted drill tail 13, jointing 4, tubular type drilling rod 5, and drill bit 6 constitutes; They by after sequentially connect successively forward by screw threads for fastening.Hollow fluted drill tail 13 rear portions cooperate with wet type electric coal drill 12 output shaft core holes; The external screw thread of its front end connects with the screw-internal thread fit of jointing 4 rear ends, and jointing 4 connects with tubular type drilling rod 5 and drill bit 6, has saved side formula injector 3.
The output shaft axle core hole of wet type electric coal drill 12 taps into water pipe, and there is the inlet opening in the axle center of hollow fluted drill tail 13.By the current of water pipe through 12 injections of wet type electric coal drill, through the inlet opening of hollow fluted drill tail 13, so that the jointing 4 of flowing through, tubular type drilling rod 5 and drill bit 6, flow into boring at last, wash away drilling cuttings.
Embodiment 3:
The structure of adjunction extension arm 14 and transition joint 15 has been shown among Fig. 3 and Fig. 6 between the jointing 4 and tubular type drilling rod 5 of anchor pole recovery apparatus.At this moment, can use for reclaiming long anchor pole.Perhaps, connect the short tubular type rod boring of more pieces, operate when the narrow space to adapt to transition joint 15.The selection of extension arm 14 and transition joint 15 internal diameters, identical with tubular type drilling rod 5 and drill bit 6 internal diameter selection principles.
Processing and fabricating:
The brill tooth of drill bit welds with brazing with manganese steel or other carbide alloy.Drilling rod is processed with seamless steel pipe.Side formula injector or it and the two-in-one member of fluted drill tail can be chosen off-the-shelf.
Using method:
Use the dry type electric coal drill, be used as power, plus side formula injector as the MZ-12A type; Use the wet type electric coal drill, during as SMZ-12A or SMZ-15A type, plus side formula injector not then.Except that the anchor pole recovery apparatus, also to use kit: six minutes sleeve pipe 0.8m, one of 12 cun spanner, two of pipe wrench.Need two people operation.
1. will reclaim the anchor pole pallet, supporting plate is laid down; If the anchor pole external end head is not straight, application of sleeve is pulled earlier directly;
2. by good drilling tool, drill with electric coal drill wet drilling mode, the water yield should be controlled well, and capacity just can;
3. in creeping into, the drilling rod direction should be consistent with the anchor pole direction all the time, at the bottom of former square;
4. stop to bore, extract drilling rod, anchor pole will together be taken out of, then from drill bit taking-up anchor pole wherein.
These facility are suitable for reclaiming the anchor pole of coal road and soft-rock tunnel, and the anchor pole that is unsuitable for hard rock mass reclaims.
Claims (3)
1. anchor pole recovery apparatus is characterized in that: when its afterbody and dry type electric coal drill (1) when linking, it comprises fluted drill tail (2), side formula injector (3), jointing (4), tubular type drilling rod (5) and drill bit (6); The front end of fluted drill tail (2) through the mandrel (7) of side formula injector (3), with jointing (4), tubular type drilling rod (5) and drill bit (6), sequentially connects by screw threads for fastening successively; When its afterbody and wet type electric coal drill (12) when linking, it comprises hollow fluted drill tail (13), jointing (4), tubular type drilling rod (5) and drill bit (6); Four sequentially connect by screw threads for fastening successively; The brill tooth (16) of drill bit is not outstanding to the inwall of bit body (17).
2. anchor pole recovery apparatus according to claim 1 is characterized in that: between said jointing (4) and the tubular type drilling rod (5), add and be connected to extension arm (14) and transition joint (15).
3. anchor pole recovery apparatus according to claim 1 and 2, it is characterized in that: said tubular type drilling rod (5) and drill bit (6), and the internal diameter of extension arm (14) and transition joint (15), when anchoring agent anchoring strength is not too high, can be greater than the diameter of square; When anchoring agent anchoring strength was higher, its internal diameter was greater than the diameter that solidifies of anchoring agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216582 CN2475832Y (en) | 2001-02-26 | 2001-02-26 | Anchor rod recovery apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216582 CN2475832Y (en) | 2001-02-26 | 2001-02-26 | Anchor rod recovery apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2475832Y true CN2475832Y (en) | 2002-02-06 |
Family
ID=33634973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01216582 Expired - Fee Related CN2475832Y (en) | 2001-02-26 | 2001-02-26 | Anchor rod recovery apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2475832Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737070B (en) * | 2008-11-07 | 2012-05-23 | 中国矿业大学 | Anchor rod for measuring large deformation of roadway floor heave and method thereof |
| CN103452572A (en) * | 2013-10-09 | 2013-12-18 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Drill rod special for anchor rod recovery |
| CN104929664A (en) * | 2015-05-11 | 2015-09-23 | 邹城兖矿泰德工贸有限公司 | Anchor rod recycling device |
| CN106378835A (en) * | 2016-09-26 | 2017-02-08 | 卓拓精密工具（苏州）有限公司 | Novel long-service-life hard alloy drill bit |
| 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 |
| 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 |
-
2001
- 2001-02-26 CN CN 01216582 patent/CN2475832Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737070B (en) * | 2008-11-07 | 2012-05-23 | 中国矿业大学 | Anchor rod for measuring large deformation of roadway floor heave and method thereof |
| CN103452572A (en) * | 2013-10-09 | 2013-12-18 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Drill rod special for anchor rod recovery |
| 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 |
| CN106378835A (en) * | 2016-09-26 | 2017-02-08 | 卓拓精密工具（苏州）有限公司 | Novel long-service-life hard alloy drill bit |
| 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 |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |