CN207499900U - The concrete vacation bottom structure of mining with stowing - Google Patents
The concrete vacation bottom structure of mining with stowing Download PDFInfo
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- CN207499900U CN207499900U CN201820241616.1U CN201820241616U CN207499900U CN 207499900 U CN207499900 U CN 207499900U CN 201820241616 U CN201820241616 U CN 201820241616U CN 207499900 U CN207499900 U CN 207499900U
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Abstract
This disclosure relates to a kind of concrete vacation bottom structure of mining with stowing, the structure includes the concrete vacation copy for the record or for reproduction body (1) being located in the nugget (100) bottom tunnel and drop shaft (2), the bottom tunnel is divided into the stope space (200) of top and the ore drawing space (300) of lower section by the concrete vacation copy for the record or for reproduction body (1), and the drop shaft (2) is from top to bottom through the concrete vacation copy for the record or for reproduction body (1) for ore drawing.The disclosure separates bottom tunnel as stope space and ore drawing space by concrete vacation copy for the record or for reproduction body, so as to which the ore that the explosion of stope space is got off be enable to be transferred by drop shaft into ore drawing space, convenient for car-haul, improves safety and the efficiency of mining.
Description
Technical field
A kind of this disclosure relates to mining technique field, and in particular, to the concrete vacation bottom structure of mining with stowing.
Background technology
When underground metal mine tilts vein orebody for the very thin pole that exploitated ore grade is higher, Value of Ore Deposits is larger,
Mostly using scarps filling mining method, avalanche country rock and ore are distinguished in exploitation process, lower ore is adopted and is then released through drop shaft, avalanche
Barren rock then remain in goaf and filled, support country rock is simultaneously used as actual mining platform, and this method is using setting foundation
Mode carries out adopting standard, and safety is poor, and mining efficiency is low.
Utility model content
The purpose of the disclosure is to provide a kind of concrete vacation bottom structure of simple and practical mining with stowing.
To achieve these goals, the disclosure provides a kind of concrete vacation bottom structure of mining with stowing, and the structure includes being located at
The bottom tunnel is divided into top by concrete vacation copy for the record or for reproduction body and drop shaft in the tunnel of the nugget bottom, the concrete vacation copy for the record or for reproduction body
Stope space and the ore drawing space of lower section, the drop shaft is from top to bottom through the concrete vacation copy for the record or for reproduction body for ore drawing.
Optionally, the concrete vacation copy for the record or for reproduction body is horizontally disposed polylith, and is formed between adjacent concrete vacation copy for the record or for reproduction body
There is gap, the drop shaft is set in the gap.
Optionally, covered with lintel on the gap of the drop shaft side, the lintel is overlapped on adjacent concrete vacation copy for the record or for reproduction body
Side.
Optionally, the lintel is concrete lintel, steel mesh including reinforcing bar, above reinforcing bar and be wrapped in reinforcing bar and
Concrete on the outside of steel mesh.
Optionally, the length of the lintel and concrete vacation copy for the record or for reproduction body overlap joint is 25-50 centimetres, and the thickness of the lintel is
15-40 centimetres, the length of the lintel is 1.5-2.5 meters.
Optionally, the drop shaft includes being set to drop shaft cylinder between adjacent concrete vacation copy for the record or for reproduction body and from the gap to downward
The drop shaft mouth stretched.
Optionally, the internal diameter of the drop shaft mouth from top to bottom reduces.
Optionally, the drop shaft cylinder is by up to lower coaxially connected multiple, passing through iron between neighbouring drop shaft cylinder
Silk is connected.
Optionally, the drop shaft cylinder is up big and down small undergauge section, and connection is arranged between adjacent drop shaft cylinder.
Optionally, two parallel supporting rods are provided on the gap, the drop shaft mouth is hung on the supporting rod,
The drop shaft bylinder of bottom is above the supporting rod.
The disclosure separates bottom tunnel as stope space and ore drawing space by concrete vacation copy for the record or for reproduction body, so as to make stope space quick-fried
Breaking the ore to get off can be transferred by drop shaft into ore drawing space, and convenient for car-haul, improve mining safety and
Efficiency.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure, but do not form the limitation to the disclosure together.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of specific embodiment of structure that the disclosure provides.
Fig. 2 is the structure diagram for the structure another kind specific embodiment that the disclosure provides.
Fig. 3 is the schematic diagram in A-A directions in Fig. 2.
Fig. 4 is the schematic diagram in B-B directions in Fig. 2.
Reference sign
12 drop shaft of concrete vacation copy for the record or for reproduction body, 3 gap
4 supporting rod, 5 lintel
100 nugget, 200 stope space, 300 ore drawing space
Specific embodiment
The specific embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower " used typically refers to structure reality
" upper and lower " when border uses, specifically can be with the page of reference chart 1.
As shown in Figure 1, the disclosure provides a kind of concrete vacation bottom structure of mining with stowing, the structure includes being located at the nugget
The bottom tunnel is divided into adopting for top by concrete vacation copy for the record or for reproduction body 1 and drop shaft 2 in 100 bottoms tunnel, the concrete vacation copy for the record or for reproduction body 1
Field space 200 and the ore drawing space 300 of lower section, the drop shaft 2 is from top to bottom through the concrete vacation copy for the record or for reproduction body 1 for ore drawing.
Bottom tunnel can be divided into the stope space of top and the ore drawing space of lower section by the structure that the disclosure provides, so as to make top
The ore that the borehole blasting of stope space is fallen can be fallen in the mine car in ore drawing space by drop shaft, and upper with exploitation
It goes, the barren rock that explosion is got off can be filled on concrete vacation copy for the record or for reproduction body, fall ore deposit in order to carry out slotting on the top plate in stope space, carry
The high safety of mining and fortune ore deposit convenience.
According to the disclosure, concrete vacation copy for the record or for reproduction body is by concreting, the progress poured for convenience, as shown in Figures 2 and 4, institute
It can be horizontally disposed polylith, and could be formed with gap 3 between adjacent concrete vacation copy for the record or for reproduction body 1 to state concrete vacation copy for the record or for reproduction body 1,
The gap is generally strip, and the drop shaft 2 can be set in the gap 3, so as to make pouring for every piece of concrete vacation copy for the record or for reproduction body
It can independently carry out, and drop shaft can be installed in gap, it is convenient and efficient.The length of every piece of concrete vacation copy for the record or for reproduction body can be 8-
10 meters, gap can be 1-2 meters.
Ore and barren rock are fallen to from gap in ore drawing space in order to prevent, as in Figure 2-4,2 side of drop shaft
Gap 3 on can be covered with lintel 5, the lintel 5 can be overlapped on 1 top of adjacent concrete vacation copy for the record or for reproduction body, so as to cover lintel
Cap subdivided gap reduces the Luo Kuang between concrete vacation copy for the record or for reproduction body and falls barren rock.
According to the disclosure, lintel is generally prepared by rigid material, can be wood and steel etc., but during stope mining
Reserved gap top is the barren rock of stope filling, and with the increase of stope mining height, pressure gradually increases, so as to drop shaft mouth
The canopy shield intensity requirement of position is higher, and the cost of timber and steel canopy shield is higher, and is influenced by low pressure and groundwater erosion, timber
With the perishable deformation of steel, security risk is formed, increases maintenance cost, is unfavorable for safety management.If drop shaft mouth canopy protects material
Material deformation, when the fore-set of lower part stage casing stope recycles operation, the ore pillar of corresponding position can not recycle, and ore pillar is caused to lose, and influence
Economic benefit.Therefore, the lintel 5 is preferably concrete lintel, can include reinforcing bar, steel mesh and package above reinforcing bar
Concrete on the outside of reinforcing bar and steel mesh, it is low, yielding rotten and safe so as to solve the existing intensity slipped when pit head shed protects
The problems such as environment is poor creates condition for the recycling of bottom stage casing stope fore-set, reduces ore pillar loss, increase benefit.
According to the disclosure, lintel can construct with concrete vacation bottom, and lintel is overlapped on concrete vacation copy for the record or for reproduction body, in order to support
The filling waste stone of top, it has been experienced that, the length of the lintel 5 and the concrete vacation copy for the record or for reproduction body 1 overlap joint is preferably 25-50 centimetres,
The thickness of the lintel 5 is preferably 15-40 centimetres, and the length of the lintel 5 is preferably 1.5-2.5 meters, the material according to used in lintel
The difference of material, above-mentioned size can be adjusted, and the disclosure repeats no more.
According to the disclosure, in order to facilitate increasing with back production height, drop shaft height increases, and the drop shaft 2 can wrap
The drop shaft cylinder being set between adjacent concrete vacation copy for the record or for reproduction body 1 and the drop shaft mouth extended downwardly from the gap 3 are included, and when concrete vacation copy for the record or for reproduction
When needing filling waste stone on body 1, drop shaft cylinder can be overlapped again above drop shaft cylinder, so as to which drop shaft cylinder be made to increase with back production height
It is high and increase, improve the efficiency of mining.
In order to facilitate in ore drawing to mine car, as shown in Figure 1, the internal diameter of the drop shaft mouth from top to bottom reduces, so as to make to slip
The ore in well gonys portion can be accurately fallen in mine car, reduced the loss of ore and improved the efficiency of ores lifting.
According to the disclosure, the drop shaft cylinder can be by up to lower coaxially connected multiple, neighbouring drop shaft cylinders it
Between can be connected by iron wire, it is described in addition, in order to reduce the seam between drop shaft cylinder so as to make drop shaft cylinder easy to connect
Drop shaft cylinder can be up big and down small undergauge section, connection is arranged between adjacent drop shaft cylinder, so as to reduce gap between drop shaft cylinder
The loss of middle ore.
According to the disclosure, set up drop shaft for convenience, as shown in figure 4, can be provided on the gap 3 two it is parallel
Supporting rod 4, the drop shaft mouth can be hung on the supporting rod 4, the drop shaft cylinder of bottom can frame on the supporting rod 4
Working efficiency so as to which drop shaft mouth and drop shaft bylinder be made to set conveniently, improves in side.The opposite end of the drop shaft mouth can be provided with extension
Hangers on supporting rod, the supporting rod can be steel column.
The disclosure is further illustrated below by embodiment, but the disclosure is not therefore any way limited.
Embodiment
Concrete lintel uses reinforced concrete structure, with φ 10mm round steel distributions, net degree 25cm.Concrete using 425 cement,
In thin river sand, 3-6cm rubbles, by 1：2：4 are matched (weight ratio), and concrete crosses beam strength and reaches C20, thickness 25cm.Concrete lintel
It constructs with concrete vacation bottom, is overlapped on concrete vacation bottom top, length 2.0m, more than both sides lap of splice 25cm, width is from tunnel
Disk starts to drop shaft mouth position.Cover all spaces in addition to drop shaft mouth.
Stope is arranged by 80m resuing stopings, concrete vacation bottom has 8 drop shaft mouths that canopy is needed to protect altogether per 8.0 meters of segment length, if
It is protected using timber and steel canopy, needs timber 2.4m3, steel 960kg, safeguarded in addition adopting rear I-steel under stope, it must steel
670kg amounts to consumable material cost 8400 yuan (support costs).Bottom stage casing stope stays 8 sections, every section of 2.0m long of Permanent pillar,
3.0m is thick, loses ore deposit amount about 120t, loss economic benefit is about 13000 yuan.Using 170 yuan/section × 8 section of concrete lintel consuming cost
=1360 yuan.It compares conventional method 8400+13000=21400 members and saves more than 20000 yuan.
The structure of the disclosure has saved the maintenance cost of timber, the consumption of steel and later stage, increases the peace of operating environment
Quan Xing.Permanent pillar can be no longer reserved during the stope fore-set recycling of bottom stage casing, reduces ore losses.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought should equally be considered as disclosure disclosure of that.
Claims (10)
1. the concrete vacation bottom structure of a kind of mining with stowing, which is characterized in that the structure includes being located at the nugget (100) bottom lane
The bottom tunnel is divided into the stope of top by concrete vacation copy for the record or for reproduction body (1) and drop shaft (2) in road, the concrete vacation copy for the record or for reproduction body (1)
Space (200) and the ore drawing space (300) of lower section, the drop shaft (2) from top to bottom through the concrete vacation copy for the record or for reproduction body (1) for
Ore drawing.
2. structure according to claim 1, which is characterized in that the concrete vacation copy for the record or for reproduction body (1) is horizontally disposed
Polylith, and gap (3) is formed between adjacent concrete vacation copy for the record or for reproduction body (1), the drop shaft (2) is set in the gap (3).
3. structure according to claim 2, which is characterized in that covered with lintel on the gap (3) of drop shaft (2) side
(5), the lintel (5) is overlapped on above adjacent concrete vacation copy for the record or for reproduction body (1).
4. structure according to claim 3, which is characterized in that the lintel (5) is concrete lintel, including reinforcing bar, is located at
Steel mesh above reinforcing bar and the concrete being wrapped on the outside of reinforcing bar and steel mesh.
5. structure according to claim 3, which is characterized in that the lintel (5) and the concrete vacation copy for the record or for reproduction body (1) overlap joint
Length is 25-50 centimetres, and the thickness of the lintel (5) is 15-40 centimetres, and the length of the lintel (5) is 1.5-2.5 meters.
6. structure according to claim 2, which is characterized in that the drop shaft (2) is including being set to adjacent concrete vacation copy for the record or for reproduction body
(1) drop shaft cylinder between and the drop shaft mouth extended downwardly from the gap (3).
7. structure according to claim 6, which is characterized in that the internal diameter of the drop shaft mouth from top to bottom reduces.
8. structure according to claim 6, which is characterized in that the drop shaft cylinder be by up to lower coaxially connected multiple,
It is connected between neighbouring drop shaft cylinder by iron wire.
9. structure according to claim 8, which is characterized in that the drop shaft cylinder is up big and down small undergauge section, adjacent to slip
Connection is arranged between pit shaft.
10. structure according to claim 8, which is characterized in that be provided with two parallel supporting rods on the gap (3)
(4), the drop shaft mouth is hung on the supporting rod (4), and the drop shaft bylinder of bottom is above the supporting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820241616.1U CN207499900U (en) | 2018-02-09 | 2018-02-09 | The concrete vacation bottom structure of mining with stowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820241616.1U CN207499900U (en) | 2018-02-09 | 2018-02-09 | The concrete vacation bottom structure of mining with stowing |
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| Publication Number | Publication Date |
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| CN207499900U true CN207499900U (en) | 2018-06-15 |
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ID=62509695
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| CN201820241616.1U Active CN207499900U (en) | 2018-02-09 | 2018-02-09 | The concrete vacation bottom structure of mining with stowing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410140A (en) * | 2019-07-26 | 2019-11-05 | 内蒙古工业大学 | A kind of large span artificial false bottom and preparation method thereof |
| CN112065402A (en) * | 2020-08-28 | 2020-12-11 | 内蒙古金陶股份有限公司 | Construction method of pedestrian conveying channel in mining stope |
-
2018
- 2018-02-09 CN CN201820241616.1U patent/CN207499900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410140A (en) * | 2019-07-26 | 2019-11-05 | 内蒙古工业大学 | A kind of large span artificial false bottom and preparation method thereof |
| CN112065402A (en) * | 2020-08-28 | 2020-12-11 | 内蒙古金陶股份有限公司 | Construction method of pedestrian conveying channel in mining stope |
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