CN219691585U - Inverted underpants type drop shaft structural system - Google Patents

Abstract

The utility model discloses a vent type drop shaft structure system, which structurally comprises a stage transportation roadway and a sectional connection drop shaft, wherein the sectional connection drop shaft is provided with a first connecting drop shaft and a second connecting drop shaft which are symmetrical, the adjacent sectional connection drop shafts are communicated with a converging connecting groove and a converging groove through the second connecting drop shaft to form a vent type drop shaft structure, a plurality of vent type drop shaft structures are mutually connected to form a drop shaft structure system, meanwhile, the first connecting drop shaft of each sectional connection drop shaft is communicated with an independent sectional transportation roadway, so that the problem that ore is unloaded at a high position and at a low position, the ore can be unloaded normally, the grid screen of a lower section is prevented from being damaged, then the converging connecting groove is arranged at a longer part than the converging groove, when the ore is slipped down, the ore is buffered by the buffering pad firstly and then slipped down to the lower section, each section is provided with the buffering pad to buffer down the ore, the impact force of unloading ore is reduced, the damage of the well wall is reduced, the problem that dust is large is reduced, and the ore is unloaded at the same time and the ore is unloaded uniformly.

Description

Inverted underpants type drop shaft structural system

Technical Field

The utility model belongs to the field of mine drop shafts, and particularly relates to an inverted underpants type drop shaft structure system.

Background

The drop shaft is a roadway for sliding ores from top to bottom by utilizing dead weight, is widely applied to mines developed by a footrill or a vertical shaft, and has two types of drop shafts: one is that the upper stage transfers ore or waste rock to the lower stage or lower ore bin, serving one or more stages, called main drop shaft, which belongs to auxiliary development roadway; the other is that ore is transferred to a stage transportation roadway in a stope, a stope drop shaft serving one or more stopes belongs to a quasi-roadway, a non-coal mine is usually multi-section and simultaneously mined, multi-section ore is stored and unloaded to the bottom stage transportation roadway through the drop shaft and then transported uniformly, the drop shaft structure is generally used for connecting all sections of a main drop shaft to directly drop down ore, the technology is improved along with the rapid development of scientific technology, but when the technology is used in the multi-section drop shaft, the ore drop down speed and the like are caused, in order to ensure the safety of ore unloading, the sections of the lower layer cannot be simultaneously unloaded, even if branch dislocation is adopted for unloading, the upper layer ore is blocked, so that abnormal ore unloading is caused, meanwhile, the lower section grid screen is easy to be broken due to the impact of ore drop down, the well wall structure is easy to damage, the ore drop down section production is influenced by a large amount of dust, the drop down impact force can be reduced, the ore drop down in the multi-section gate is adopted to control the drop shaft, the ore drop down speed is difficult to be controlled, the drop shaft is difficult to be controlled, the ore drop down speed is difficult to be caused due to the high, the problem of the drop shaft is difficult to be caused due to the fact that the section drop shaft is difficult to be easily down in the drop down, the existing technology is difficult to be easily down in the drop down, and the drop down speed is difficult to be easily down in the section is caused due to the drop down section down, the drop down speed is not easy to have the impact down drop down speed.

Disclosure of Invention

First, the technical problem to be solved

In order to overcome the defects of the prior art, a pull-down type drop shaft structure system is provided to solve the problems that in the prior art, when a high-position drop shaft is used for unloading, because of the speed of ore falling and the like, in order to ensure the safety of unloading, the lower layer of segments cannot simultaneously unload the ore, even if branches are adopted for dislocating the ore, the lower layer of segments can be blocked by the upper layer of ore, so that the ore cannot normally fall, and meanwhile, because of the impact force of ore falling, a lower segment grid is easy to smash, the well wall structure is easy to be damaged, and a large amount of dust is easy to generate to influence the lower segment production, although the multi-segment drop gate is adopted for controlling the ore to slide, the impact force of ore falling can be reduced, and the ore can be stored in the multi-segment drop shaft, but the gate is adopted for controlling the ore to slide at high cost, the construction is difficult, the subsequent maintenance is not convenient, and the ore storage amount is not as high as in the case of a straight drop shaft;

secondly, when using with solving prior art, because the difference in height and the unloading speed of each segmentation transportation lane lead to the unloading of each segmentation unable even, seriously influence the speed of unloading and appear empty slot and influence the condition of ore deposit volume in the drop shaft easily.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides an inverted underpants type drop shaft structure system, which structurally comprises a mine tunnel structure, a mountain body and a mine body, wherein the mine body is arranged in the mountain body, and the mine tunnel structure is used for conveying the mine body out of the mountain body;

the mine tunnel structure comprises a stage transportation roadway, a sectional connection drop shaft, a bottom connection drop shaft and a unified transportation roadway, wherein the unified transportation roadway is arranged at the bottom of a mountain, one end of the unified transportation roadway penetrates through the mountain, the top end of the unified transportation roadway is communicated with the bottom of the bottom connection drop shaft, and the top end of the bottom connection drop shaft is communicated with the stage transportation roadway through the sectional connection drop shaft;

the stage transportation roadway comprises a top transportation roadway, a first section transportation roadway, a second section transportation roadway, a third section transportation roadway and a bottom transportation roadway, wherein the top transportation roadway, the first section transportation roadway, the second section transportation roadway, the third section transportation roadway and the bottom transportation roadway are all communicated with a mine body, different section connecting drop shafts are respectively communicated with the ends of the top transportation roadway, the first section transportation roadway, the second section transportation roadway, the third section transportation roadway and the bottom transportation roadway, the bottoms of the section connecting drop shafts communicated with the top of the unified transportation roadway through the bottom connecting drop shafts, the third section transportation roadway is arranged above the bottom transportation roadway, the section connecting drop shafts communicated with the bottom transportation roadway are arranged above the third section transportation roadway, the section connecting drop shafts communicated with the third section transportation roadway are communicated with the section connecting drop shafts communicated with the first section transportation roadway, the first section transportation roadway is arranged above the second section transportation roadway, the first section connecting drop shafts are communicated with the top of the first section transportation roadway, the first section transportation roadway is communicated with the top of the second section transportation roadway, the first section transportation roadway is communicated with the top section transportation roadway, the first section transportation roadway is communicated with the third section transportation roadway, and the third section transportation roadway is communicated with the top section transportation roadway, and the third section transportation roadway is communicated with the top section transportation roadway.

Further, the adjacent intervals of the top transportation lane, the first section transportation lane, the second section transportation lane, the third section transportation lane, the bottom transportation lane and the unified transportation lane are optimally 15 meters, and the first section transportation lane, the second section transportation lane and the third section transportation lane which are more or less can be arranged along with the height of the mine in the stage transportation lane.

Further, the number of the section connecting drop shafts is more than 2, the number of the section connecting drop shafts is the same as the total number of the top conveying lane, the first section conveying lane, the second section conveying lane, the third section conveying lane and the bottom conveying lane, the more than 2 section connecting drop shafts are arranged from top to bottom and are mutually communicated, and the bottom of the section connecting drop shaft is communicated with the unified conveying lane.

Further, the sectional connection drop shaft comprises a collecting groove, a buffer cushion, a collecting connecting groove, a first connecting drop shaft and a second connecting drop shaft, the top is communicated with the collecting connecting groove, the bottom of the collecting groove is communicated with the bottom connecting drop shaft or the second connecting drop shaft, the long side of the top of the collecting groove is shorter than the long side of the collecting connecting groove, the short side of the top of the collecting groove is the same as the short side of the collecting connecting groove in size, the two sides of the long side of the collecting connecting groove are longer than the collecting groove by the same distance, the buffer cushion is arranged on the longer part, mineral powder can be piled up to form, the two sides of the top of the long side of the collecting connecting groove are respectively connected with the first connecting drop shaft and the second connecting drop shaft, the top of the collecting connecting groove is far away from the second connecting drop shaft, the side of the collecting connecting groove is communicated with a top conveying lane or a first sectional conveying lane or a third sectional conveying lane or a bottom conveying lane, the two communicated sectional connecting drop shafts are positioned on the vertical planes of the two intersecting sectional connecting drop shafts, the two connecting drop shafts are in the same vertical planes, and the two connecting drop shafts are connected by the vertical planes are equal to each other, and the two connecting drop shafts are in the vertical planes, and the two connecting drop shafts are equal in the vertical planes, and have the best equal to the vertical connecting angle.

Further, the collecting groove is an inverted isosceles trapezoid-shaped groove.

(III) beneficial effects

One of the above technical solutions has the following advantages or beneficial effects:

1) In order to solve the problems that in the prior art, when the ore is unloaded from a high-order drop shaft, the lower layer of the lower-stage screen cannot be simultaneously unloaded due to the falling speed of the ore and the like, and even if the lower-stage screen is in dislocation of the branches, the lower-stage screen can be blocked by the upper-stage ore, so that the lower-stage screen cannot normally be unloaded, and meanwhile, the lower-stage screen is easy to be crushed due to the falling impact force of the ore, the method has the advantages that the method is easy to damage the well wall structure and produce a large amount of dust to affect the sectional production, although the gate with a plurality of sections of slide gates is adopted to control the ore to slide, the impact force of ore falling can be reduced, and the ore can be stored in a plurality of sections of slide shafts, the gate is adopted to control the ore to slide and release, the cost is high, the construction is difficult, the subsequent maintenance is inconvenient, the ore storage amount is not as large as that of a straight slide shaft, the sectional transportation lanes are communicated with the sectional connection slide shafts through the slide shafts, meanwhile, the sectional connection drop shafts are mutually communicated through the other drop shafts until being communicated to a unified transportation roadway, so that an drop shaft system of an inverted underpants structure is realized, meanwhile, the adjacent sectional connection drop shafts are all positioned on an intersecting vertical plane, buffer cushions arranged in the sectional connection drop shafts are matched, so that falling ore can firstly enter a collecting tank after being buffered and decelerated through the buffer cushions, and then is turned, and the like until falling to the unified transportation roadway, and as the connecting drop shafts of the sectional connection drop shafts and the stage transportation roadway are separated, the ore unloading can be directly carried out on the unified transportation roadway, meanwhile, the low stage transportation roadway can also normally unload ore when the ore is unloaded at a high position, meanwhile, the high-position ore unloading impact force can be well reduced, the damage of a lower sectional grid sieve and a well wall can be well prevented, and the problem of large ore unloading dust can be avoided.

2) In order to solve the problems that in the prior art, because of the height difference and the blanking speed difference of each segmented transportation lane, the blanking of each segment cannot be uniform, the blanking speed is seriously influenced, empty grooves are easily formed in a drop shaft, and the ore storage quantity is influenced, through the fact that the inverted isosceles trapezoid collecting grooves are formed, high-level ore unloading ores are buffered by the buffer pads and the direction of the buffer pads and then slide down along with one side of the isosceles trapezoid, and ore unloaded from a new stage transportation lane also slides down from the other side after being buffered, so that ore in each stage transportation lane entering the segmented connection drop shaft collecting grooves can be decelerated and evenly slide down after being mixed with the ore unloaded from the new stage transportation lane, the uniform blanking of each segment can be better ensured, and meanwhile, the ore storage empty grooves are better reduced, and the ore storage quantity is increased.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of an inverted underpants type drop shaft system according to the utility model;

FIG. 2 is a schematic view of a mountain section structure of a connecting surface of a mine cavity structure and a mine body according to the present utility model;

FIG. 3 is a schematic view of a cross-sectional view of a mountain portion of the right view of the unified haulage roadway of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of a cross-sectional view of a mountain portion of the left view of the unified haulage roadway of FIG. 2 in accordance with the present utility model;

FIG. 5 is a schematic view of the structure of the stage conveying roadway and the sectional connecting drop shaft of the present utility model;

in the figure: the mining tunnel comprises a mine tunnel structure-1, a mountain-2, a mine body-3, a stage transportation lane-a, a section connecting drop shaft-b, a bottom connecting drop shaft-c, a unified transportation lane-d, a top transportation lane-a 1, a first section transportation lane-a 2, a second section transportation lane-a 3, a third section transportation lane-a 4, a bottom transportation lane-a 5, a collecting tank-b 1, a buffer pad-b 2, a collecting connecting tank-b 3, a first connecting drop shaft-b 4 and a second connecting drop shaft-b 5.

Detailed Description

The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.

The utility model provides an inverted underpants type drop shaft structure system which comprises a box body, a box body and a box cover, wherein the box body is provided with a box cover, the box cover is provided with a: the structure comprises a mine tunnel structure 1, a mountain 2 and a mine body 3, wherein the mine body 3 is arranged in the mountain 2, and the mine tunnel structure 1 is used for conveying the mine body 3 out of the mountain 2;

the mine tunnel structure 1 comprises a stage transportation lane a, a sectional connection drop shaft b, a bottom connection drop shaft c and a unified transportation lane d, wherein the unified transportation lane d is arranged at the bottom of a mountain 2, one end of the unified transportation lane d penetrates through the mountain 2, the top end of the unified transportation lane d is communicated with the bottom of the bottom connection drop shaft c, and the top end of the bottom connection drop shaft c is communicated with the stage transportation lane a through the sectional connection drop shaft b;

the stage transportation roadway a comprises a top transportation roadway a1, a first section transportation roadway a2, a second section transportation roadway a3, a third section transportation roadway a4 and a bottom transportation roadway a5, wherein the top transportation roadway a1, the first section transportation roadway a2, the second section transportation roadway a3, the third section transportation roadway a4 and the bottom transportation roadway a5 are all communicated with the ore body 3, the top transportation roadway a1, the first section transportation roadway a2, the second section transportation roadway a3, the third section transportation roadway a4 and the bottom transportation roadway a5 are respectively communicated with different section connection roadway b at the end far away from the ore body 3, the bottom of the section connection roadway a5 communicated with the top of the unified transportation roadway d through a bottom connection roadway c, the third section transportation roadway a4 is arranged above the bottom transportation roadway a5, the section connection roadway b communicated with the bottom transportation roadway a5 is arranged above the third section transportation roadway a3, the section connection roadway a4 is arranged above the third section transportation roadway a4, the section connection roadway a4 is communicated with the top of the third section transportation roadway a2, the section transportation roadway a4 is communicated with the top section transportation roadway a2, the section connection roadway a5 is communicated with the top section transportation roadway a2 The unified transportation roadway d is opened from top to bottom, and a safe mining height is reserved between two adjacent roadways.

The adjacent intervals of the top transportation lane a1, the first section transportation lane a2, the second section transportation lane a3, the third section transportation lane a4, the bottom transportation lane a5 and the unified transportation lane d are optimally 15 meters, and the first section transportation lane a2, the second section transportation lane a3 and the third section transportation lane a4 which are more or less can be arranged in the stage transportation lane a along with the height of the mine.

The number of the sectional connecting drop shafts b is more than 2, the total number of the sectional connecting drop shafts b is the same as the total number of the top conveying lane a1, the first sectional conveying lane a2, the second sectional conveying lane a3, the third sectional conveying lane a4 and the bottom conveying lane a5, the sectional connecting drop shafts b are arranged from top to bottom and are mutually communicated, and the bottom of the sectional connecting drop shaft b is communicated with the unified conveying lane d.

The sectional connection drop shaft b comprises a collection groove b1, a buffer cushion b2, a collection connection groove b3, a first connection drop shaft b4 and a second connection drop shaft b5, wherein the top is communicated with the collection connection groove b3, the bottom of the collection groove b1 is communicated with a bottom connection drop shaft c or the second connection drop shaft b5, the long side of the top of the collection groove b1 is shorter than the long side of the collection connection groove b3, the short side of the top of the collection groove b1 is the same as the short side of the collection connection groove b3 in size, the two sides of the long side of the collection connection groove b3 are longer than the collection groove b1 by the same distance, the buffer cushion b2 is arranged at the longer part, mineral powder can be piled up, the two sides of the top of the long side of the collection connection groove b3 are respectively connected with the first connection drop shaft b4 and the second connection drop shaft b5, the second connection drop shaft b5 is used for connecting the collection connection groove b3 of the adjacent sectional connection drop shaft b, the top of the collection connection groove b3 is far away from the second connection groove b5, the top of the section b3 is far from the second connection groove b4 or the first transportation drop shaft b is communicated with the bottom section b2 a, the top section b is communicated with the first transportation drop shaft 2, the section b is communicated with the top section b2 is communicated with the first transportation drop shaft 2, the section b is communicated with the bottom section 2, the section 2 is communicated with the top section 2 b2, and the section 2 is communicated with the top section 2;

wherein the collecting groove b1 is an inverted isosceles trapezoid-shaped groove.

The utility model discloses a segment-connection drop shaft b, which is provided with a symmetrical first connecting drop shaft b4 and a symmetrical second connecting drop shaft b5, wherein the symmetrical first connecting drop shaft b4 and the symmetrical second connecting drop shaft b5 are communicated with a converging groove b1 through a converging connecting groove b3, the converging groove b1 with an inverted isosceles trapezoid shape at the upper layer is connected with the second connecting drop shaft b5 at the lower layer to form an inverted vent type drop shaft structure, the adjacent upper and lower layer segment-connection drop shafts b are mutually connected through the inverted vent type drop shaft structure to form a drop shaft structure system, the adjacent segment inverted vent type drop shaft structures are positioned on intersecting vertical planes, the inverted vent type drop shaft structure system can ensure that each segment converging connecting groove b3 is communicated with a single stage conveying lane a through the first connecting drop shaft b4, thereby solving the problem that the low-level segment can normally unload ores at the same time of high-level segment unloading, meanwhile, the situation that the grid screen of the lower section is damaged is avoided, then the longer part of the collecting connecting groove b3 than the collecting groove b1 is avoided, namely, the buffer pads b2 are uniformly distributed under the communicating parts of the first connecting drop shaft b4 and the second connecting drop shaft b5 and the collecting connecting groove b3, when ore entering the upper section connecting drop shaft b slides downwards, the ore can be buffered by the buffer pads b2 for speed reduction and then slides to the lower section connecting drop shaft b again through the chute, each section connecting drop shaft b has the same buffer pad b2 for buffering ore unloading, the high-position ore unloading impact force is reduced, the damage of a well wall is effectively reduced, the problem of large ore powder unloading dust is reduced, and the ore of each section can slide downwards at the same speed and uniformly is integrally realized, and the specific implementation scheme is as follows:

in the using process of the equipment, when the ore is unloaded, the ore in each sectional stage transportation lane a can be unloaded from the top transportation lane a1, the first sectional transportation lane a2, the second sectional transportation lane a3, the third sectional transportation lane a4 and the bottom transportation lane a5, the ore mined from the ore body 3 can be conveyed to the position of the sectional connecting drop shaft b which is connected independently through the lane, the ore is unloaded from the top of the first connecting drop shaft b4 through the first connecting drop shaft b4 which is connected independently, the ore in each sectional stage transportation lane a can be reduced and buffered from the first connecting drop shaft b4 to a buffer b2 which is arranged on a part which is longer than the collecting groove b1, then the ore can slide into the collecting groove b1, at this moment, the second connecting drop shaft b5 of the sectional connecting drop shaft b connected with the top transportation lane a1 can slide down from the first connecting groove b3 to the buffer b1, the ore can slide down from the first connecting groove b2 to the buffer b1, the ore can slide down from the top of the buffer b1 is further arranged on the first connecting groove 1 to the buffer b1, the buffer b1 is further arranged on the side of the connecting groove 1, the buffer b2 is connected with the buffer b1, and then the ore can slide down into the collecting groove b1 from the buffer groove b1, then the principle of ore slip mixing with the top transportation lane a1 and the first section transportation lane a2 is adopted, the ore in the collection tank b1 connected with the first section transportation lane a2 is also slipped to the uniform transportation lane d after being mixed with the ore in the collection tank b1 connected with the first section transportation lane a2 and the second section transportation lane a3, and so on, a plurality of stage transportation lanes a can be infinitely overlapped for slip use, each of the collection tank b1 connected with the stage transportation lane a is decelerated and is mixed with the transportation lane of the stage collection tank b1 until the ore in the collection tank b1 which is slipped to the bottom transportation lane a5 is mixed with the ore in the bottom transportation lane a5, and then the ore is slipped to the uniform transportation lane d from the bottom connection chute c, so that the subsequent transportation from the uniform transportation lane d is facilitated, and the connection chute connected with each section connection chute b is separated, so that the ore is ensured to be directly dumped to the uniform transportation lane d, the low-position transportation lane a can be simultaneously decelerated and unloaded in the high-position, and the buffer of the ore in the stages b1 can be well prevented from being well down to the buffer the well wall of the well, and the problem of the well wall of the buffer and the well wall of the buffer can be well prevented from being unloaded;

and because the collecting trough b1 of each sectional connection drop shaft b is in an inverted isosceles trapezoid, the ore discharged from a high position can enter the collecting trough b1 and slide again from one side of the isosceles trapezoid of the collecting trough b1 after being buffered and slowed down by the buffer cushion b2, and the ore discharged from the new stage conveying roadway a can slide to the other side of the isosceles trapezoid of the collecting trough b1 after being buffered and slowed down again, so that the ore of each stage conveying roadway a entering the sectional connection drop shaft b collecting trough b1 can be slowed down and evenly slid and discharged after being mixed with the ore discharged from the new stage conveying roadway a, the uniform discharging of each section can be better ensured, and meanwhile, the ore storage empty trough can be better reduced to increase the ore storage capacity.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The structure of the inverted underpants type drop shaft structure system comprises a mine tunnel structure (1), a mountain body (2) and a mine body (3), wherein the mine body (3) is arranged in the mountain body (2), and the mine tunnel structure (1) is used for conveying the mine body (3) out of the mountain body (2);

the method is characterized in that: the mine tunnel structure (1) comprises a stage transportation roadway (a), a sectional connection drop shaft (b), a bottom connection drop shaft (c) and a unified transportation roadway (d), wherein the unified transportation roadway (d) is arranged at the bottom of a mountain body (2), one end of the unified transportation roadway (d) penetrates through the mountain body (2), the top end of the unified transportation roadway (d) is communicated with the bottom of the bottom connection drop shaft (c), and the top end of the bottom connection drop shaft (c) is communicated with the stage transportation roadway (a) through the sectional connection drop shaft (b);

the stage conveying roadway (a) comprises a top conveying roadway (a 1), a first sectional conveying roadway (a 2), a second sectional conveying roadway (a 3), a third sectional conveying roadway (a 4) and a bottom conveying roadway (a 5), wherein the top conveying roadway (a 1), the first sectional conveying roadway (a 2), the second sectional conveying roadway (a 3), the third sectional conveying roadway (a 4) and the bottom conveying roadway (a 5) are all communicated with a ore body (3), the top conveying roadway (a 1), the first sectional conveying roadway (a 2), the second sectional conveying roadway (a 3), the third sectional conveying roadway (a 4) and the bottom conveying roadway (a 5) are respectively communicated with different sectional connecting slide shafts (b) at the ends far away from the ore body (3), the bottoms of the sectional connecting slide shafts (b) communicated with the bottom of the bottom conveying roadway (a 5) are communicated with the top of the unified conveying roadway (d) through bottom connecting slide shafts (c), the third sectional conveying roadway (a 4) are arranged above the bottom conveying roadway (a 5), the third sectional conveying roadway (a 4) is communicated with the bottom conveying roadway (a 4) and the third sectional conveying roadway (a 4) is communicated with the bottom conveying roadway (a 5), the utility model discloses a safe roadway construction method, including the segmentation transportation lane (a 2), top transportation lane (a 1) is located in the segmentation transportation lane (a 2), and the segmentation transportation lane (a 4), bottom transportation lane (a 5), unified transportation lane (d) are offered simultaneously and are kept safe height between two adjacent two roadways from top to bottom, the segmentation connection drop shaft (b) of second segmentation transportation lane (a 3) intercommunication communicates with segmentation connection drop shaft (b) of third segmentation transportation lane (a 4) intercommunication with, the segmentation connection drop shaft (b) of first segmentation transportation lane (a 2) communicates with each other, first segmentation transportation lane (a 2), second segmentation transportation lane (a 3), third segmentation transportation lane (a 4), bottom transportation lane (a 5), unified transportation lane (d) are located above first segmentation transportation lane (a 2).

2. A pull-in vent construction system according to claim 1, wherein: the adjacent intervals of the top transportation lane (a 1), the first section transportation lane (a 2), the second section transportation lane (a 3), the third section transportation lane (a 4), the bottom transportation lane (a 5) and the unified transportation lane (d) are optimally 15 meters, and the first section transportation lane (a 2), the second section transportation lane (a 3) and the third section transportation lane (a 4) which are more or less can be arranged in the stage transportation lane (a) along with the height of the mine.

3. A pull-in vent construction system according to claim 1, wherein: the section connection drop shafts (b) are provided with more than 2, the number of the section connection drop shafts (b) is the same as the total number of the top conveying lane (a 1), the first section conveying lane (a 2), the second section conveying lane (a 3), the third section conveying lane (a 4) and the bottom conveying lane (a 5), the section connection drop shafts (b) are arranged from top to bottom and are mutually communicated, and the bottom of the section connection drop shafts (b) is communicated with the unified conveying lane (d).

4. A pull-down type drop shaft construction system according to claim 3, wherein: the sectionalized connecting drop shaft (b) comprises a collecting groove (b 1), a buffer pad (b 2), a collecting connecting groove (b 3), a first connecting drop shaft (b 4) and a second connecting drop shaft (b 5), wherein the top is communicated with the collecting connecting groove (b 3), the bottom of the collecting groove (b 1) is communicated with a bottom connecting drop shaft (c) or the second connecting drop shaft (b 5), the long side of the top of the collecting groove (b 1) is shorter than the long side of the collecting connecting groove (b 3), the short side of the top of the collecting groove (b 1) is the same as the short side of the collecting connecting groove (b 3), the two sides of the long side of the collecting connecting groove (b 3) are longer than the collecting groove (b 1) by the same distance, the buffer pad (b 2) is arranged at the longer part, the buffer pad (b 2) can be piled up, the two sides of the long side of the collecting connecting groove (b 3) are respectively connected with the first connecting drop shaft (b 4) and the second connecting drop shaft (b 5), the second connecting drop shaft (b 5) is used for connecting the adjacent sectionalized connecting groove (b) and the second connecting channel (b 3) or the second connecting channel (b 3) is far away from the first connecting channel (b 4 a) or the second transporting channel (b 1), the 2 communicated sectionally connected drop shafts (b) are positioned on intersecting vertical planes, the intersecting angle of the vertical planes of the 2 communicated sectionally connected drop shafts (b) is optimal to 90 degrees, and the sizes of the first connected drop shaft (b 4), the second connected drop shaft (b 5), the bottom connected drop shaft (c) and the bottom of the collecting groove (b 1) are consistent.

5. The inverted underpants type drop shaft construction system according to claim 4, wherein: the collecting groove (b 1) is an inverted isosceles trapezoid-shaped groove.