CN103953374B - A kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod - Google Patents
A kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod Download PDFInfo
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- CN103953374B CN103953374B CN201410198146.1A CN201410198146A CN103953374B CN 103953374 B CN103953374 B CN 103953374B CN 201410198146 A CN201410198146 A CN 201410198146A CN 103953374 B CN103953374 B CN 103953374B
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Abstract
The invention discloses a kind of shaft construction prepackage borehole wall and hang the installation method of interim geomantic omen pipeline Special anchor rod, its step is as follows: (1) earth's surface welding assembled bolt seat also screws in anchor pole seat fixed cover；(2) pit shaft metal form formwork erection centering location；(3) metal form perforate；(4) by the perforate of metal form, assembled bolt seat is put into；(5) metal form carries out watering concrete；(6), after the borehole wall concrete setting after concrete to be poured, from assembled bolt seat, anchor pole seat fixed cover is screwed out；(7) metal formwork stripping；(8) anchor pole seat overarm arm is screwed in assembled bolt seat.
Description
Technical field
The present invention relates to the installation method of a kind of anchor pole, particularly relate to a kind of shaft construction prepackage borehole wall and hang the installation method of interim geomantic omen pipeline Special anchor rod.
Background technology
At present, during underground mine shaft construction, confession airduct used by temporary construction, drainpipe, feed pipe and air duct have employing stable vehicles steel wire rope earth's surface hang, also the employing borehole wall is had to beat the mode etc. that rockbolt installation girder steel fixes, use earth's surface that the mode of stable vehicles is installed, one to be as mining shaft construction more and more deeper, earth's surface stable car requires that the weight hung is increasing, therefore it is required that the input of sinking shaft stable car and steel wire rope quantity and fund is the biggest, two is that sinking shaft stable car in earth's surface is arranged more, near well head, occupied ground area is big, device layout is more chaotic, three weight-bearing load being the increase in sinking headframe, the biggest to the safety effects of derrick, four is owing to wellbore space is little, the geomantic omen pipeline and the steel wire rope that hang in pit shaft are more, the influence on system operation that pit shaft is dug under construction process elevator is bigger.Therefore mostly use now the borehole wall to be beaten by rock drill during deep shaft construction to hang by the way of then square installs anchor metal for airduct, drainpipe, feed pipe and air duct etc..This mode one is to save the space that pit shaft takies, two be reduce earth's surface hang stable car quantity and steel wire rope quantity reach investment reduction purpose, three is that well head layout occupied ground is few, four weight-bearing load being the reduction of derrick, it is ensured that many advantages such as the security of derrick.Its shortcoming is could to implement after this mode needs to wait borehole wall shaping, geomantic omen pipeline etc. is hung by the way of beating square on the borehole wall and then anchor pole being installed, big to the shaft lining breakage of construction casting concrete aftershaping, the construction quality of pit shaft is had a certain impact, has had a strong impact on overall security and the aesthetic property of shaping pit shaft.
Summary of the invention
Present invention aim to address in traditional construction, the security that the destruction of the pit shaft borehole wall is brought and aesthetic property problem, it is provided that a kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod.
The technical solution used in the present invention is: a kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod, and its step is as follows: (1) earth's surface welding assembled bolt seat also screws in anchor pole seat fixed cover；(2) pit shaft metal form formwork erection centering location；(3) metal form perforate；(4) by the perforate of metal form, assembled bolt seat is put into；(5) metal form carries out watering concrete；(6), after the borehole wall concrete setting after concrete to be poured, from assembled bolt seat, anchor pole seat fixed cover is screwed out；(7) metal formwork stripping；(8) anchor pole seat overarm arm is screwed in assembled bolt seat.
As a further improvement on the present invention, the diameter of described metal form institute perforate is slightly larger than anchor pole fixed cover maximum gauge 1～2mm.
As the further improvement of the present invention, when anchor pole seat fixed cover is put in the perforate of metal form, the periphery at anchor pole seat fixed cover is wound around one layer of mull.
As the further improvement of the present invention, described metal form formwork erection centering location must formwork erection centering in the wellbore.
The present invention uses and provides the benefit that: the present invention is once being to calculate in advance according to the position placing geomantic omen pipe pipeline in pit shaft by holding the hole putting assembled bolt seat, this hole height and circumferential position during in metal form manufacturing process successfully.Having installed assembled bolt seat after utilizing metal form centering before concreting, then carried out concreting, after pouring concrete setting shaping, assembled bolt seat becomes an overall structure with concrete walling, does not affect the quality of the borehole wall, safety and attractive in appearance.Greatly save and before geomantic omen pipe is installed, beaten square and time of installation anchor pole
.Two is the horizontal and vertical precision being ensured assembled bolt seat by the anchor pole seat fixed cover of auxiliary, it is suspended in pit shaft owing to metal form uses three independent suspending steel wire ropes, metal form in the wellbore without circumference and move radially, it is ensured that the level of the assembled bolt seat of placement and radial accuracy.Thus ensure that the position of anchor pole overarm arm is the most in alignment the most fixing on the pit shaft borehole wall.Three be treat shaft construction after, the pipeline of interim installation can be dismantled easily and recycle anchor pole overarm arm, reaching the purpose of saving steel and cost.
Accompanying drawing explanation
Fig. 1 is process flow chart of the present invention.
Fig. 2 is Special anchor rod schematic diagram of the present invention.
Shown in figure: 1 anchor pole seat, 2 anchor pole seat fixed covers, 3 anchor pole overarm arms, 4 nuts, 5 locking nuts.
Detailed description of the invention
Below in conjunction with Fig. 1, Fig. 2, the present invention is described further.
As it is shown in figure 1, a kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod, its step is as follows: (1) earth's surface welding assembled bolt seat also screws in anchor pole seat fixed cover；(2) pit shaft metal form formwork erection centering location；(3) metal form perforate；(4) by the perforate of metal form, assembled bolt seat is put into；(5) metal form carries out watering concrete；(6), after the borehole wall concrete setting after concrete to be poured, from assembled bolt seat, anchor pole seat fixed cover is screwed out；(7) metal formwork stripping；(8) anchor pole seat overarm arm is screwed in assembled bolt seat.
Heretofore described Special anchor rod is as described in Figure 2, it includes anchor pole seat 1 and anchor pole overarm arm 3, anchor pole seat 1 is connected by anchor pole seat fixed cover 2 with anchor pole overarm arm 3, anchor pole overarm arm 3 leading portion is connected with nut 4 and locking nut 5 in turn, anchor pole seat 1 rear end symmetry is separated in 7 °, anchor pole overarm arm 3 threaded anchor pole seat fixed cover 2, anchor pole seat 1 and the welding of anchor pole seat fixed cover 2 constitute assembled bolt seat.
Choose preference, further describe the present invention.
Metal form is adding opened ￠ 62 in man-hour hole, after metal form formwork erection centering, the anchor pole seat fixed cover of auxiliary is put into perforate fixed Combination anchor pole seat on metal form before casting concrete, owing on metal form, institute's perforate is roughly equal with anchor pole seat fixed cover size, thereby may be ensured that anchor pole seat is horizontal and vertical with borehole wall tangent line, as in anchor pole seat fixed cover, the width of ￠ 60 size is designed to size with the thickness of metal form, and when ensureing to install, in anchor pole seat fixed cover, ￠ 60 size all gauges with pattern hole ￠ 62 overlap.After doubting admittedly Deng concrete, before metal formwork stripping, anchor pole seat fixed cover is rotated dismounting, then carries out metal formwork stripping.Anchor pole overarm arm can screw in before pit shaft pipeline is installed or screw in the most permissible before hanging scaffold is transferred the most in advance.
Metal form must determine position of opening in template according to the deployment scenarios of the hitch point of pit shaft pendent form steel wire rope and geomantic omen pipeline before making, it is simple to metal form places assembled bolt seat during watering concrete.After metal form formwork erection centering, the prepackage borehole wall hangs interim geomantic omen pipeline Special anchor rod in advance.
Metal form carries out perforate according to the position of pit shaft design placement geomantic omen pipeline after processing, determine anchor pole position, it is advisable slightly larger than the diameter 1 ~ 2mm of anchor pole seat fixed cover in the aperture, hole opened, as excessive be susceptible to spillage and be not easy ensure vertical with borehole wall tangent to periphery, as too small anchor pole seat fixed cover is not easy to put into.During the anchor pole seat fixed cover put in metal form perforate simultaneously, the periphery at anchor pole seat fixed cover can be wound around one layer of mull, rises and seals and fastening effect.
Before Special anchor rod is installed, metal form have to formwork erection centering in the wellbore, it is ensured that the center of metal form overlaps with wellbore centre position.After metal form formwork erection centering, it is ensured that the center line of metal form overlaps with wellbore centre line.By Special anchor rod position consistency to be mounted on the position of opening of metal form and the borehole wall.
Anchor pole overarm arm screws in borehole wall assembled bolt seat and must screw, it is impossible to the phenomenon that gets loose occurs.
The installation of assembled bolt is that ￠ 62 hole opened on metal form by the anchor pole seat fixed cover of auxiliary carries out positioning and centering, thus the tram in the borehole wall after ensureing rockbolt installation.Before screwing in anchor pole overarm, the recovery of piggy-back anchor pole socket fixed cover is re-used next time.Assembled bolt seat to ensure straight with anchor pole overarm arm, it is impossible to has bending.
The present invention is widely used in the interim geomantic omen pipeline borehole wall during shaft construction and hangs the installation of Special anchor rod, and during being particularly suitable for the deep shaft construction of underground mine, interim suspension becomes apparent from for object effects such as airduct, drainpipe, feed pipe and underground ventilating air ducts.Special anchor rod can single or paired use on the borehole wall, height and the distance of pit shaft borehole wall suspension geomantic omen pipeline according to metal form determine to install the spacing etc. of Special anchor rod, it can fix short girder steel or directly fix objects such as hanging geomantic omen pipeline pipe clamp on Special anchor rod.
Use metal form to pre-install the borehole wall before watering concrete and hang interim geomantic omen pipeline Special anchor rod, then the method for anchor metal is installed compares with traditional square of beating on the borehole wall after the borehole wall is molded, one, owing to being pre-plugged assembled bolt seat before metal form waters concrete, anchor pole overarm arm immediately or is screwed in before pipeline is installed after metal formwork stripping, substantially it is not take up the shaft construction activity duration, it is saved greatly and traditional after the borehole wall is molded, on the borehole wall, beats square then the time of anchor metal is installed, reduce pit shaft subsidiary operation time, thus improve shaft construction efficiency, by shaft construction drill footage per month 60 meters calculating, the most monthly save 48 hours time, saving steel cost 60%.Two, beat in the method that then square installs anchor metal due to traditional on the borehole wall after the borehole wall is molded, workmen is at pit shaft hanging operation, dangerous high, unfavorable to safety in production, and after using metal form to pre-install, before watering concrete, the method that the borehole wall hangs interim geomantic omen pipeline Special anchor rod, the safety of operating personnel is protected.Three, anchor pole stability is good, it is simple to installs operation and recycles, and rockbolt installation precision is easy to control.
Those skilled in the art should know; the protection scheme of the present invention is not limited only to the above embodiments; various permutation and combination and conversion can also be carried out on the basis of above-described embodiment; on the premise of spirit of the present invention, the various conversion carrying out the present invention all fall within protection scope of the present invention.
Claims (4)
1. the shaft construction prepackage borehole wall hangs an installation method for interim geomantic omen pipeline Special anchor rod, and its step is as follows:
(1) earth's surface is welded assembled bolt seat and screws in anchor pole seat fixed cover；
(2) pit shaft metal form formwork erection centering location；
(3) metal form perforate；
(4) by the perforate of metal form, assembled bolt seat is put into；
(5) metal form carries out watering concrete；
(6), after the borehole wall concrete setting after concrete to be poured, from assembled bolt seat, anchor pole seat fixed cover is screwed out；
(7) metal formwork stripping；
(8) anchor pole seat overarm arm is screwed in assembled bolt seat.
A kind of shaft construction the most according to claim 1 prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod, it is characterized in that the diameter of described metal form institute perforate is slightly larger than anchor pole fixed cover maximum gauge 1～2mm.
A kind of shaft construction the most according to claim 2 prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod, it is characterized in that when anchor pole seat fixed cover is put in the perforate of metal form, and the periphery at anchor pole seat fixed cover is wound around one layer of mull.
A kind of shaft construction the most according to claim 1 prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod, it is characterized in that described metal form formwork erection centering location must formwork erection centering in the wellbore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198146.1A CN103953374B (en) | 2014-05-13 | 2014-05-13 | A kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410198146.1A CN103953374B (en) | 2014-05-13 | 2014-05-13 | A kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod |
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| Publication Number | Publication Date |
|---|---|
| CN103953374A CN103953374A (en) | 2014-07-30 |
| CN103953374B true CN103953374B (en) | 2016-09-07 |
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| CN201410198146.1A Active CN103953374B (en) | 2014-05-13 | 2014-05-13 | A kind of shaft construction prepackage borehole wall hangs the installation method of interim geomantic omen pipeline Special anchor rod |
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| CN105971644B (en) * | 2016-05-11 | 2017-12-12 | 四川芙蓉集团实业有限责任公司 | Administer the quick metal anchors wall construction method that karst region mine total return air lane is leaked out |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657720A (en) * | 2005-01-31 | 2005-08-24 | 常华北 | External anchor steel reinforcing method for anchor bolt and reinforced concrete structure |
| US7033109B2 (en) * | 2003-04-22 | 2006-04-25 | Platipus Anchors Holdings Limited | Ground anchor drainage apparatus and a method of installation of ground drainage apparatus |
| CN1908322A (en) * | 2006-08-04 | 2007-02-07 | 曾庆义 | Anchor bolt containing framework in grouting and construction method thereof |
| CN103195454A (en) * | 2013-04-16 | 2013-07-10 | 铜陵有色金属集团股份有限公司安庆铜矿 | Method for supporting filling roadway or chamber |
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2014
- 2014-05-13 CN CN201410198146.1A patent/CN103953374B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7033109B2 (en) * | 2003-04-22 | 2006-04-25 | Platipus Anchors Holdings Limited | Ground anchor drainage apparatus and a method of installation of ground drainage apparatus |
| CN1657720A (en) * | 2005-01-31 | 2005-08-24 | 常华北 | External anchor steel reinforcing method for anchor bolt and reinforced concrete structure |
| CN1908322A (en) * | 2006-08-04 | 2007-02-07 | 曾庆义 | Anchor bolt containing framework in grouting and construction method thereof |
| CN103195454A (en) * | 2013-04-16 | 2013-07-10 | 铜陵有色金属集团股份有限公司安庆铜矿 | Method for supporting filling roadway or chamber |
Non-Patent Citations (1)
| Title |
|---|
| 超大超深立井施工设备选型及布置;张传余;《采矿技术》;20131115;第13卷(第6期);正文第103页左栏第8-10行、第104页左栏第1-25行，附图2 * |
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