CN104265359A - Drawhole device - Google Patents
Drawhole device Download PDFInfo
- Publication number
- CN104265359A CN104265359A CN201410456827.3A CN201410456827A CN104265359A CN 104265359 A CN104265359 A CN 104265359A CN 201410456827 A CN201410456827 A CN 201410456827A CN 104265359 A CN104265359 A CN 104265359A
- Authority
- CN
- China
- Prior art keywords
- door shield
- drawhole
- perisporium
- guide plate
- post connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000003141 lower extremity Anatomy 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a drawhole device which comprises an ore channel (10). The ore channel (10) comprises a circumferential wall (11) extending vertically and a bottom wall (12) extending obliquely downwards from a part of the circumferential wall at the bottom of the circumferential wall. A drawhole (40) is formed between the bottom wall (12) and the other part of the circumferential wall (11), a downward opening portion (15) serving as a part of the drawhole (40) is arranged on the other part of the circumferential wall (11), a door shield covers the opening portion (15), and the distance between the lower edge of the door shield and the bottom wall is adjustable. According to the technical scheme, the lower edge of the door shield and the bottom wall limit the passing section of ore, when a large block of ore cannot pass through the drawhole, the distance between the lower edge of the door shield and the bottom wall is adjusted so that the ore can pass through the drawhole, and the situations that the ore is blocked and the drawhole must be widened in an explosion mode are avoided.
Description
Technical field
The present invention relates to the Pass drawing technology of ore, particularly, relate to a kind of drawhole device for Pass drawing.
Background technology
In mining process, a large amount of use mine chute conveying mineral.In fixing drawhole formula Pass drawing system conventional at present, in order to prevent ore drawhole place run slip, drawhole needs to limit certain size, can not arrange too large, but, after limiting drawhole size, Chang Fashengyin the ore fragmentation not entering drop shaft blocks drawhole too greatly, causes the phenomenon of ore circulation blocking.At this moment because drawhole size is fixed, drawhole itself does not have regulating power, drawhole can only be dredged by the mode of oversized fragment ore, not only be wasted time and energy by the mode process of explosion, also can cause damage to facilities and equipments such as the drop shaft borehole wall and ore drawing machines in blast process.
Therefore, need to improve drawhole form of structure, to facilitate the problem of process ore blocking.
Summary of the invention
The object of this invention is to provide a kind of drawhole device, this drawhole device appropriateness can regulate drawhole size, is convenient to the problem processing ore blocking drawhole.
To achieve these goals, the invention provides a kind of drawhole device, this drawhole device comprises ore passage, described ore passage comprises the perisporium of vertically extension and is tilted to the diapire of downward-extension in the bottom of this perisporium from a part for this perisporium, drawhole is formed between another part of this diapire and described perisporium, it is characterized in that, described another part of described perisporium has down and as the opening portion of a described drawhole part, door shield has been blocked in this opening portion, and this door shield lower limb is adjustable relative to the distance of described diapire.
Pass through technique scheme, another part of described perisporium is provided with opening portion, this opening portion is provided with door shield and this door shield lower limb can regulate relative to the distance of ore channel bottom wall, thus the side of the lower limb of this door shield and described diapire and opening portion limits the cross section of ore circulation jointly, when there being the ore of large lumpiness not block by this cross section, can regulate described door shield that the distance of the lower limb of door shield and described diapire is expanded, thus make indivedual jammed ore pass through drawhole, avoid ore blocking drawhole and the mode of explosion must be used to evacuate the problem of drawhole.
Preferably, described another part of described perisporium offers inwardly below and runs through the inlet slot of described perisporium on described opening portion, the width of this inlet slot is greater than the width of described opening portion, guide plate is fixedly installed along the both sides of described opening portion vertical direction at the medial surface of described another part of described perisporium, described another part of described perisporium be formed with the door shield groove be communicated with described inlet slot between described guide plate, the bottom of this door shield groove is formed with step; Described door shield comprises the many door shield posts at least supported by described step in described door shield groove, and door shield post described in every root has and can rupture or point formal similarity according to control.
Preferably, described door shield post comprises door shield post connector and multiple door shield joint, adjacent door shield joint is connected by described door shield post connector and is longitudinally fixedly connected on the two ends of described door shield post connector, and described door shield post connector can rupture or decompose according to control.
Preferably, described door shield joint is tubulose, and described door shield post connector is at least column in end, and described door shield joint is set in one end of described door shield post connector.
Preferably, described door shield post connector middle part is longitudinally provided with the described door shield of restriction and saves the flange part be inserted in.
Preferably, described door shield post connector is multiple, and described door shield joint is for multiple accordingly.
Preferably, described door shield post connector is made up of low-melting-point metal or alloy, and described door shield post connector inside is provided with heater, and by controlling the heating of this heater, described door shield post connector can melt thus rupture.
Preferably, the top of described guide plate is formed with bending part, and this bending part is connected with the medial surface of another part of described perisporium.
Preferably, described guide plate comprises superposed rigidity guide plate and is connected to the flexible guide plate of this rigidity guide plate bottom.
Preferably, described rigidity guide plate and the connecting portion of described flexible guide plate and the upper edge of described opening portion substantially concordant.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the cross-sectional view of a kind of preferred embodiment of drawhole device of the present invention.
Fig. 2 is that A, to the view observed, schematically illustrates the front of drawhole from Fig. 1.
Fig. 3 is the generalized section from B-B cutting in Fig. 1, and cutting plane is through rigidity guide plate.
Fig. 4 is the generalized section from C-C cutting in Fig. 1, and cutting plane is through flexible guide plate.
Fig. 5 is a kind of preferred structure schematic diagram of a shelves post.
Description of reference numerals
10 ore passage 11 perisporiums
12 diapire 13 steps
14 inlet slot 15 opening portions
20 guide plate 21 bending parts
The flexible guide plate of 20 rigidity guide plate 21
24 shelves groove 30 door shield posts
31 door shield post connector 32 door shield joints
33 heater 34 conducting rings
35 wire 36 flange parts
40 drawhole 50 bobbing machines
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
Shown in Fig. 4, as the basic form of implementation of drawhole device of the present invention, drawhole device of the present invention comprises ore path 10, described ore path 10 comprises the perisporium 11 vertically extended and the diapire 12 being tilted to downward-extension in the bottom of this perisporium from a part for this perisporium, drawhole 40 is formed between this diapire 12 and another part of described perisporium 11, described another part of described perisporium has down and the opening portion 15 of a part as described drawhole 40, door shield has been blocked in this opening portion 15, this door shield lower limb is adjustable relative to the distance of described diapire 12.
The above-mentioned perisporium 11 surrounding described ore path 10 can be the perisporium with square sectional, and the perisporium of also can be cross sectional shape be rectangle, circle or other suitable shape, Fig. 1 to 4 schematically illustrates a kind of form that perisporium is square-section.The perisporium 11 of ore path 10 extends straight down, in the bottom of this perisporium, a part for this perisporium tilts to extend to form diapire 12, drawhole 40 is formed between this diapire 12 and another part of perisporium 11, arrow in Fig. 1 schematically illustrates the circulation path of ore in ore path 10, and show by another part of diapire 12 and perisporium 11 and between the lateral plan of drawhole 40 that formed (in FIG, diapire 12 is also provided with bobbing machine 50, ore can more move smoothly through drawhole 40 by the vibration of this bobbing machine), Fig. 2 shows the Facad structure of this drawhole 40, another part of described perisporium 11 has the opening portion 15 of downwardly facing opening, this opening portion 15 and the space between this opening portion and diapire 12 together form drawhole 40, a shelves is provided with in opening portion 15, these shelves have sheltered from the part at least top, opening portion, thus the in fact lower limb of this drawhole 40 limited by the lower limb of these shelves and diapire, described door shield lower limb is adjustable relative to the distance of described diapire 12.
Pass through technique scheme, the lower limb of door shield and the side of described diapire and opening portion limit the cross section of ore circulation jointly, when there being the ore of large lumpiness not block by this cross section, can regulate described door shield that the distance of the lower limb of door shield and described diapire is expanded, thus make indivedual jammed ore by drawhole, avoid ore blocking drawhole and the mode of explosion must be used to evacuate the problem of drawhole.
In the scope of the above-mentioned technical conceive of drawhole device of the present invention, preferably, see Fig. 1, shown in Fig. 2, described another part of described perisporium 11 offers inwardly below and runs through the inlet slot 14 of described perisporium 11 on described opening portion 15, the width of this inlet slot 14 is greater than the width of described opening portion 15, guide plate 20 is fixedly installed along the both sides of described opening portion 15 vertical direction at the medial surface of described another part of described perisporium 11, described another part of described perisporium 11 be formed with the door shield groove 24 be communicated with described inlet slot 14 between described guide plate 20, the bottom of this door shield groove 24 is formed with step 13, described door shield comprises the many door shield posts 30 at least supported by described step 13 in described door shield groove 24, and door shield post 30 described in every root has and can rupture or point formal similarity according to control.
Above-mentioned preferred embodiment in, door shelves are made up of multiple independently door shelves post 30, described another part of perisporium offers inlet slot 14, a shelves groove 24 is formed between the inner side of described another part of perisporium and guide plate 20, this shelves groove 24 is communicated with inlet slot 14 thus forms the space limiting described door shield post, door shield post is put into from the entrance of inlet slot, slip in described inlet slot under gravity and in door shelves groove, the door shield post of bottommost is supported on step 13 (step 13 can be protruded to the inside by the bottom of described another part of perisporium and be formed), a upper door shield post is supported on next door shield post successively, the length of door shield post is greater than the width of described opening portion 15, be less than or equal to the width distance between two the door shelves grooves in left and right in the width of described inlet slot and Fig. 2, thus the door shelves be made up of door shelves post can block described opening portion.
Above-mentioned door shield post 30 has and can rupture or point formal similarity according to control, operationally, multiple door shield post 30 is arranged in a shelves groove 24 and inlet slot 14, the door shelves post of bottommost is supported on step 13, the top of drawhole 40 is limited by the door shelves post 30 of bottommost, bottom is limited by diapire 12, when the size of relatively large ore is greater than this drawhole top and the bottom size, ore is at least stopped by the door shield post of bottommost, now, the door shield post fracture of bottommost can be made according to controlling or decompose, thus eliminate the stop of bottommost door shield post, ore can pass through this drawhole under its Action of Gravity Field, if ore size is larger, fracture or decompose bottommost door shield post after still by stopping from bottommost second door shield post upwards not by, can fracture be continued according to control or decompose this second door shield post, if desired, upwards progressively can also rupture or decompose other door shield post until ore is by this drawhole, when ore is by drawhole, fracture or the door shield post decomposed are taken away by ore, in door shelves groove 24, this position is vacated, the door shield post on top moves down under the downward squeezing action of gravity and ore stream, again be supported on described step 13, the position on drawhole top is limited again, drawhole size restoration is to the size preset.
Below the door shelves be made up of multiple independently door shield post are devised dexterously, on the one hand by the progressively fracture of door shield post or decompose and can progressively expand drawhole size, it is allowed to pass through individually thus remove blocking according to the size of ore, on the other hand when the door shelves post fracture of bottom or decomposition and after ore passes through, the door shield post on top automatically moves down and is supported on step, again limits the size of drawhole and returns to default size.
In the structure of above-mentioned drawhole device, the both sides of the medial surface of described another part of described perisporium can be fixedly connected with guide plate 20 by arranging support.Preferably, the top of described guide plate 20 is formed with bending part 21, and this bending part 21 is connected with the medial surface of another part of described perisporium 11.This bending part 21 is set and can stops that mineral enter in a shelves groove from top.Further preferably, described bending part 21 can be set to consistent with the angle of inclination of described inlet slot 14 and the position arranging described bending part makes the inwall of its inwall and described inlet slot 14 be positioned at same plane.
In the structure of above-mentioned drawhole device, preferred described guide plate 20 comprises superposed rigidity guide plate 22 and is connected to the flexible guide plate 23 of this rigidity guide plate bottom.Arranging rigidity guide plate makes guide plate have certain structural strength, can support from the side and limiting door bumping post, it is because flexible guide plate can not produce larger chucking power that the bottom of guide plate arranges flexible guide plate, when the fracture of door shield post or after decomposing, the chucking power be subject at step place is less, easily discharge from step, equally, flexible guide plate is also conducive to the mineral fallen in a shelves groove and discharges.In said structure, preferred described rigidity guide plate 22 is substantially concordant with the upper edge of described opening portion 15 with the connecting portion of described flexible guide plate 23.Above-mentioned rigidity guide plate preferably adopts abrasion-proof manganese steel plate, and flexible guide plate preferably adopts abrasive rubber.
Door shield post 30 has suitable structural strength, can bear pressure and the impact force of ore, and can rupture or decompose according to control.Door shield post can have multiple setting, such as mechanical latch structure can be set, door shield post is enable to disconnect thus rupture by controlling snap close, or in the local of door shield post, decomposable structure is set, miniature demolition set is such as set, controlled blasting thus door shield post is ruptured, or adopt the mode ruptured by local melting that will describe after the present invention.Fig. 5 shows a kind of preferred structure mode of door shield post, described door shield post 30 comprises door shield post connector 31 and multiple door shield joint 32, adjacent door shield joint 32 is connected by described door shield post connector 31 and is longitudinally fixedly connected on the two ends of described door shield post connector 31, and described door shield post connector 31 can rupture or decompose according to control.In the structure shown here, door shield post saves 32 by door shield post connector 31 and door shield and forms, and door shield joint is main braced structures, and door shield post connector plays connection function and can decompose or fracture according to control, and this structure enables the manufacture of door shield post Modularly.
In the structure of above-mentioned door shield post, preferred described door shield joint 32 is tubulose, described door shield post connector 31 is at least column in end, and described door shield joint 32 is set in one end of described door shield post connector 31, above-mentioned sheathed can directly sheathed also can be threaded connection sheathed.Adopt this connected mode, the connected mode of door shield post connector and door shield joint is very simple.Door shield joint 32 is set in after on described door shield post connector 31, can also strengthen the connection of door shield joint 32 and door shield post connector 31 by welding such as spot welding further.Further, in order to limit the degree of depth of being inserted in, described door shield post connector 31 middle part is longitudinally provided with the flange part 36 that the described door shield joint 32 of restriction is inserted in, and when door shield joint 32 arrives this flange part 36, flange part stops door shield joint to be inserted in further.
In the structure of above-mentioned door shield, preferred described door shield joint 32 is steel pipe.Adopt steel pipe to have good structural strength, the material of steel pipe easily obtains simultaneously.
In the structure of above-mentioned door shield post, preferably, described door shield post connector 31 is multiple, and described door shield joint 32 is multiple accordingly, and multiple door shield joint connects successively, thus reaches required length.Such as described door shield post connector 31 is two, and described door shield joint 32 is three.Adopt this structure, door shield post can reach certain length, simultaneously when the fracture of door shelves connector or when decomposing, the door shield festival-gathering of a middle joint departs from the position of described step support because of fracture, and be positioned at the door shield joint at two ends because lose the support of the other end, ore stream can be fallen under the drive of ore.
In the structure of above-mentioned door shield post connector, a kind of preferred frame mode is that described door shield post connector 31 is made up of low-melting-point metal or alloy, the inside of described door shield post connector 31 is provided with heater 33, heat by controlling this heater 33, described door shield post connector 31 can melt thus rupture.In this approach, heater 33 preferably can comprise the resistive heater be arranged in door shield post connector, such as an accommodation hole is set in door shield post connector, this resistive heater is placed in accommodation hole, two electrodes of resistive heater are drawn out to the outside of accommodation hole, such as can draw from the two ends of door shield post connector and be connected to be positioned at the conducting ring 34 at these two ends, conducting ring 34 is connection control power supply respectively, thus resistive heater can be heated by controlling the control of power supply, and then make the door shield post connector be made up of low-melting-point metal or alloy melt and rupture.Can also arrange wire guide in above-mentioned door shelves connector, the wire 35 of drawing from the conducting ring 34 at two ends passes this wire guide and draws from door shield post connector side, such as draws from flange part 36.It is pointed out that above-mentioned door shield post connector and resistive heater and conducting ring 34, wire 35 insulate, such as can by adopting aluminium oxide ceramics or the isolation of similar material of heat conductive insulating, preventing short circuit, can conduct heat simultaneously preferably.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. drawhole device, this drawhole device comprises ore passage (10), described ore passage (10) comprises the perisporium (11) vertically extended and the diapire (12) being tilted to downward-extension in the bottom of this perisporium from a part for this perisporium, drawhole (40) is formed between another part of this diapire (12) and described perisporium (11), it is characterized in that, described another part of described perisporium (11) have down and as described drawhole (40) part opening portion (15), door shield has been blocked in this opening portion (15), this door shield lower limb is adjustable relative to the distance of described diapire.
2. drawhole device according to claim 1, it is characterized in that, described another part of described perisporium (11) offers inwardly below and runs through the inlet slot (14) of described perisporium (11) on described opening portion (15), the width of this inlet slot (14) is greater than the width of described opening portion (15), guide plate (20) is fixedly installed along the both sides of described opening portion (15) vertical direction at the medial surface of described another part of described perisporium (11), described another part of described perisporium (11) be formed with the door shield groove (24) be communicated with described inlet slot (14) between described guide plate (20), the bottom of this door shield groove (24) is formed with step (13),
Described door shield comprises the many door shield posts (30) at least supported by described step (13) in described door shield groove (24), and door shield post (30) described in every root has and can rupture or point formal similarity according to control.
3. drawhole device according to claim 2, it is characterized in that, described door shield post (30) comprises door shield post connector (31) and multiple door shield joint (32), adjacent door shield joint (32) is connected by described door shield post connector (31) and is longitudinally fixedly connected on the two ends of described door shield post connector (31), and described door shield post connector (31) can be ruptured or decompose according to control.
4. drawhole device according to claim 3, it is characterized in that, described door shield joint (32) is tubulose, described door shield post connector (31) is at least column in end, and described door shield joint (32) is set in one end of described door shield post connector (31).
5. drawhole device according to claim 4, is characterized in that, described door shield post connector (31) middle part is longitudinally provided with the flange part (36) that described door shield joint (32) of restriction is inserted in.
6. drawhole device according to claim 3, is characterized in that, described door shield post connector (31) is for multiple, and described door shield joint (32) is multiple accordingly.
7. drawhole device according to claim 3, it is characterized in that, described door shield post connector (31) is made up of low-melting-point metal or alloy, described door shield post connector (31) inside is provided with heater (33), by controlling this heater (33) heating, described door shield post connector (31) can be melted thus rupture.
8. drawhole device according to claim 2, it is characterized in that, the top of described guide plate (20) is formed with bending part (21), and this bending part (21) is connected with the medial surface of another part of described perisporium (11).
9. drawhole device according to claim 2, is characterized in that, described guide plate (20) comprises superposed rigidity guide plate (22) and is connected to the flexible guide plate (23) of this rigidity guide plate (22) bottom.
10. drawhole device according to claim 9, is characterized in that, described rigidity guide plate (22) is concordant with the upper edge of described opening portion (15) with the connecting portion of described flexible guide plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456827.3A CN104265359A (en) | 2014-09-10 | 2014-09-10 | Drawhole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456827.3A CN104265359A (en) | 2014-09-10 | 2014-09-10 | Drawhole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104265359A true CN104265359A (en) | 2015-01-07 |
Family
ID=52156917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410456827.3A Pending CN104265359A (en) | 2014-09-10 | 2014-09-10 | Drawhole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104265359A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318801A (en) * | 2019-07-23 | 2019-10-11 | 中国恩菲工程技术有限公司 | Boxhole structure and its remodeling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201512300U (en) * | 2009-09-06 | 2010-06-23 | 招金矿业股份有限公司大尹格庄金矿 | Ore drawing device |
| CN201882607U (en) * | 2010-11-30 | 2011-06-29 | 南京梅山冶金发展有限公司 | Chute type hydraulic ore drawing hopper |
| CN202090946U (en) * | 2011-05-25 | 2011-12-28 | 山东华联矿业股份有限公司 | Orepass with ore drawing hopper |
| CN202784413U (en) * | 2012-07-06 | 2013-03-13 | 鞍钢集团工程技术有限公司 | Weighing funnel unloading four connecting bar mechanism strobe |
| CN203079281U (en) * | 2013-01-22 | 2013-07-24 | 颜旭华 | Reciprocating type coal feeder with regulating gate |
| CN204082207U (en) * | 2014-09-10 | 2015-01-07 | 攀钢集团矿业有限公司 | A kind of drawhole device |
-
2014
- 2014-09-10 CN CN201410456827.3A patent/CN104265359A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201512300U (en) * | 2009-09-06 | 2010-06-23 | 招金矿业股份有限公司大尹格庄金矿 | Ore drawing device |
| CN201882607U (en) * | 2010-11-30 | 2011-06-29 | 南京梅山冶金发展有限公司 | Chute type hydraulic ore drawing hopper |
| CN202090946U (en) * | 2011-05-25 | 2011-12-28 | 山东华联矿业股份有限公司 | Orepass with ore drawing hopper |
| CN202784413U (en) * | 2012-07-06 | 2013-03-13 | 鞍钢集团工程技术有限公司 | Weighing funnel unloading four connecting bar mechanism strobe |
| CN203079281U (en) * | 2013-01-22 | 2013-07-24 | 颜旭华 | Reciprocating type coal feeder with regulating gate |
| CN204082207U (en) * | 2014-09-10 | 2015-01-07 | 攀钢集团矿业有限公司 | A kind of drawhole device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318801A (en) * | 2019-07-23 | 2019-10-11 | 中国恩菲工程技术有限公司 | Boxhole structure and its remodeling method |
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Application publication date: 20150107 |