CN217174339U - Cross transportation bridge and culvert for strip mine and cross transportation system for strip mine - Google Patents

Abstract

The utility model provides a strip mine alternately transports bridge and culvert and strip mine alternately transport system. Strip mine alternately transports bridge includes pontic and a plurality of culvert, and the pontic includes: the height of each retaining wall is gradually reduced from the center to the two ends; the filling layer is arranged between the two groups of retaining walls and fills the cavity between the two groups of retaining walls; the hardening layer is laid on the surface of one side of the filling layer, which is far away from the ground; the culverts respectively penetrate through the two retaining walls and the filling layer. Adopt the utility model discloses, with the help of the pontic and culvert for the coal transporting cart is by broken station through the culvert travel to the end group road, and the dolly of transportation earth and rockfill goes above the pontic, and the dolly need not detour, has reduced manufacturing cost, and dolly and cart independently go in parallel on vertical, has avoided the conflict problem that the vehicle crossed, has improved the operating efficiency of vehicle transportation.

Description

Cross transportation bridge and culvert for strip mine and cross transportation system for strip mine

Technical Field

The utility model relates to a three-dimensional transportation technical field of opencut, concretely relates to opencut alternately transports bridge and culvert and opencut alternately transport system.

Background

Surface mining, an important branch of the mining industry, is responsible for an increasingly important coal mining task, which essentially strips the overburden from the ore body to obtain useful minerals. The existing opencast coal mine generally adopts a combined operation mode of self-operation and outsourcing to strip earthwork and stone, wherein small transportation equipment (a load 25-60 ton-class dump truck is hereinafter referred to as a 'trolley') is adopted by outsourcing stripping engineering units, and large transportation equipment (a load 154-220 ton-class dump truck is hereinafter referred to as a 'trolley') is adopted by self-operation coal mining engineering units.

The open coal mine is influenced by the foundation construction excavation engineering of the crushing station and the arrangement position of the transportation adhesive tape, and an outsourcing transportation trolley needs to detour to and fro a working side and a dumping yard to carry out dumping operation, so that the transportation distance is increased, and the transportation cost is higher; if the outsourcing travelling bogie carries out the abandonment operation through the end slope road in front of the crushing station, the distance can be shortened, the transportation cost is reduced, but the traffic flow crossing is formed between the end slope travelling bogie and the cart at the inlet position of the crushing station, a dense conflict area of truck intersection of the end slope travelling road is formed, and a series of problems such as outstanding transportation safety problem, low equipment transportation efficiency, difficult transportation organization management and the like are caused to appear in the area.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a strip mine alternately transports bridge and culvert and strip mine alternately transport system. An open pit mine cross transportation bridge is built between a crushing station and an end slope road, so that a large vehicle for transporting coal blocks runs to the end slope road from the crushing station through a culvert, a small vehicle for transporting earthwork runs above a bridge body, and the two transportation vehicles transport independently in the same space, so that the defects of the prior art are overcome.

The utility model provides a strip mine alternately transports bridge and culvert includes the pontic and a plurality of culvert. The bridge body includes: the height of each retaining wall is gradually reduced from the center to two ends; the filling layer is arranged between the two groups of retaining walls and fills a cavity between the two groups of retaining walls; the hardening layer is paved on the surface of one side, far away from the ground, of the filling layer; and the culverts respectively penetrate through the retaining walls and the filling layers.

Optionally, the strip mine cross transport bridges and culverts further comprise anti-collision walls, and the anti-collision walls are fixedly connected with the two opposite sides of the extension direction of the hardened layer.

Optionally, the strip mine cross transportation bridge culvert further comprises a guardrail, and the guardrail and the anti-collision wall are far away from one end fixed connection of the hardening layer.

Optionally, the guardrail comprises: the upright columns are arranged at intervals along the extending direction of the anti-collision wall and are fixedly connected with the anti-collision wall; a plurality of railings, adjacent two all be connected with a plurality ofly between the stand the railing.

Optionally, the guardrail further comprises a plurality of guardrail rollers, a plurality of guardrail rollers are arranged between two adjacent railings, and the guardrail rollers are rotatably connected with the railings.

Optionally, the strip mine cross transport bridge further comprises: the anchor net is connected with the surface of one side, back to the filling layer, of the retaining wall; and the anchor net and the retaining wall are arranged in a penetrating way.

Optionally, each retaining wall comprises: a base plate; the wall plate is vertically and fixedly connected with the bottom plate; a plurality of backup pads, it is a plurality of the backup pad set up in the wallboard orientation one side of filling layer, each the first end of backup pad all with bottom plate fixed connection, each the second end of backup pad all with wallboard fixed connection.

Optionally, each of the wall panels has a plurality of drainage holes formed therethrough.

Optionally, the strip mine cross transport bridge further comprises a reverse filtering layer, and the reverse filtering layer is connected with one side surface of the wallboard facing the filling layer.

The utility model also provides a strip mine cross transport system, including broken station and end group road, still include above-mentioned arbitrary strip mine cross transport bridge, strip mine cross transport bridge is two sets of the barricade is on a parallel with the end group road, and set up in broken station with between the end group road, a plurality of culverts of strip mine cross transport bridge correspond broken station sets up.

The utility model provides an above technical scheme compares with prior art, has following beneficial effect at least:

adopt the utility model discloses strip mine alternately transports bridge and culvert and strip mine alternately transport system with the help of the pontic and culvert for the coal transporting cart is by broken station through the culvert travel to the end road of group, and the dolly of transporting the earth stone side is traveled above the pontic, and the dolly need not detour, has reduced manufacturing cost, and dolly and cart independently go in parallel on the vertical, has avoided the conflict problem that the vehicle crossed, has improved the operating efficiency of vehicle transportation.

Drawings

Fig. 1 is a schematic view of a strip mine cross transport bridge according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a bridge body of the open-pit mine cross transport bridge shown in fig. 1;

fig. 3 is a sectional view of a culvert of the strip mine cross transport bridge of fig. 1;

FIG. 4 is a partial enlarged view of the position of the guard rails of the sectional view of the culvert shown in FIG. 3;

FIG. 5 is a side view of the guardrail of FIG. 4;

fig. 6 is a diagram showing a positional relationship between the open-pit mine cross transport bridges and culverts, the crushing stations, and the end slope roads shown in fig. 1.

Reference numerals:

1: a bridge body; 11: retaining walls; 111: a base plate; 112: a wallboard; 113: a support plate; 114: a water drain hole; 12: a filling layer; 13: a hardened layer; 2: a culvert; 3: an anti-collision wall; 4: a guardrail; 41: a column; 42: a railing; 43: a guardrail roller; 44: mounting a plate; 45: mounting holes; 46: a support bar; 5: a crushing station; 6: and (4) end slope roads.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or component to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Fig. 1 is a schematic view of a strip mine cross transportation bridge according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a bridge body of the strip mine cross transport bridge of fig. 1; fig. 3 is a sectional view of a culvert of the strip mine cross transport bridge shown in fig. 1.

As shown in fig. 1 to 3, the strip mine cross transport bridge includes a bridge 1 and a plurality of culverts 2. The bridge body 1 comprises two groups of retaining walls 11, a filling layer 12 and a hardening layer 13 which are oppositely arranged, and the height of each group of retaining walls 11 is gradually reduced from the center to two ends; the filling layer 12 is arranged between the two groups of retaining walls 11 and fills a cavity between the two groups of retaining walls 11; the hardened layer 13 is laid on one side surface of the filling layer 12 far away from the ground. The culvert 2 penetrates through the retaining walls 11 and the filling layer 12 respectively.

Fig. 6 is a positional relationship diagram of the open-pit mine cross transport bridges and culverts shown in fig. 1 with the crushing station 5 and the end slope road 6. As shown in the figure, the open-pit mine cross transportation bridges and culverts are arranged between the crushing stations 5 and the end slope roads 6, the bridge body 1 is arranged in parallel to the end slope roads 6, the center of the bridge body 1 is high, the height of the bridge body is gradually reduced in the process of extending towards two ends, the culverts 2 penetrate through the bridge body 1 and are arranged corresponding to the crushing stations 5, therefore, a coal transporting cart driven out from the crushing stations 5 runs to the end slope roads 6 through the plurality of culverts 2 to carry out normal coal transporting operation, and a trolley for transporting earthwork runs above the bridge body 1, so that the coal transporting cart and the coal transporting cart independently run in parallel in the vertical direction.

Adopt the utility model discloses open-pit mine alternately transports bridges and culverts, with the help of the pontic 1 with culvert 2 for the coal transporting cart is by broken station 5 warp culvert 2 goes to end group road 6, and the dolly of transporting the earth stone side is in 1 top of the pontic is gone, and the dolly need not detour, has reduced manufacturing cost, and dolly and cart independently run in parallel on vertical, has avoided the conflict problem that the vehicle crossed, has improved the operating efficiency of vehicle transportation.

In this embodiment, as shown in fig. 1 and fig. 2, two sets of retaining wall 11 parallel arrangement, and linear extension, one distance in the interval between the two, the middle vacuole formation, every group the central point of the extended length of retaining wall 11 puts the highest, highly reduces to both ends gradually to at initial point and terminal position and ground parallel and level, filling layer 12 fills two sets of cavity between retaining wall 11, for the convenience is drawn materials and practice thrift the cost, filling layer 12 can adopt the on-the-spot stripped rock of strip mine and the soil that strips, when filling the cavity, will strip the rock and fill two sets ofly in the middle of retaining wall 11, with both sides gap between retaining wall 11 is filled and is stripped soil, so that filling layer 12 fills two sets ofly completely the cavity between retaining wall 11 promotes bridge 1 stability. Accomplish behind the filling operation of filling layer 12, a side surface that filling layer 12 kept away from ground forms promptly the bridge floor of pontic 1 for guarantee travelling bogie's normal driving lays on the bridge floor sclerosis layer 13, sclerosis layer 13 can choose for use concrete or pitch to lay, lays the completion back for the bridge floor sclerosis, the vehicle can the sclerosis layer 13 goes up normal driving. In this embodiment, there are two culverts 2, which respectively vertically penetrate through two retaining walls 11 and the filling layer 12 therebetween to connect the roads on both sides of the bridge 1, and the culverts 2 are spaced apart by a certain distance. In this embodiment, the width of the bridge body 1 is 40 meters, the height of the culvert 2 is not less than 15 meters, and the width is not less than 31 meters. According to the practical application, the height and the extending distance of the retaining wall 11, the laying thickness of the hardened layer 13, the number of the culverts 2 and the specific opening positions on the retaining wall 11 can be adjusted.

Optionally, the strip mine cross transport bridge further comprises an anti-collision wall 3, and the anti-collision wall 3 is fixedly connected with two opposite sides of the extension direction of the hardened layer 13. Due to the arrangement, the running direction of the vehicle is prevented from deviating when the vehicle runs above the bridge body 1, and the vehicle is prevented from rushing out of the bridge floor.

The extending direction of sclerosis layer 13 promptly the extending direction of pontic 1, in this embodiment, as shown in fig. 2, fig. 3, the equal fixedly connected with in relative both sides of 13 extending direction of sclerosis layer anticollision wall 3, the extension length of anticollision wall 3 with the extension length of pontic 1 is the same. According to the practical application condition, the thickness of the anti-collision wall 3 and the selection of the manufacturing materials can be adjusted.

Figure 4 is a partial enlarged view of the position of the guard rails of the sectional view of the culvert shown in figure 3. As shown in fig. 2 to 4, optionally, the strip mine cross transportation bridge further includes a guardrail 4, and the guardrail 4 is fixedly connected with one end of the collision wall 3 far away from the hardened layer 13. This kind of setting further protects the vehicle, avoids the vehicle to rush out the bridge floor.

In this embodiment, as shown in fig. 2 to 4, the guardrail 4 is fixedly connected to the upper end of the impact wall 3, and the extension length of the guardrail 4 is the same as that of the impact wall 3. According to the practical application, the guardrail 4 can adopt any structural style, as long as can with the anticollision wall 3 is connected, increases the protection height, and the protection vehicle is gone safely can.

Fig. 5 is a side view of the guardrail of fig. 4. As shown in fig. 5, the guardrail 4 optionally comprises a plurality of posts 41 and a plurality of railings 42. The upright posts 41 are arranged at intervals along the extending direction of the anti-collision wall 3 and are fixedly connected with the anti-collision wall 3; a plurality of railings 42 are connected between two adjacent upright posts 41. The arrangement simplifies the structural form of the guardrail 4, is convenient to install and is beneficial to improving the working efficiency.

In this embodiment, as shown in fig. 4 and 5, each of the pillars 41 includes a lower vertical section and an upper bending section, the bending section bends toward the direction of the bridge deck, the lower end of the vertical section is fixedly connected to a mounting plate 44, a plurality of mounting holes 45 penetrate through each of the mounting plates 44 at intervals, the mounting plate 44 is attached to the impact wall 3, and a fastener penetrates through the mounting holes 45 and the impact wall 3 to fixedly connect the pillars 41 and the impact wall 3. As shown in fig. 5, in this embodiment, each of the upright posts 41 is vertically connected to the anti-collision wall 3, four handrails 42 are connected between two adjacent upright posts 41, the handrails 42 are parallel to each other and are arranged at intervals along the length direction of the upright posts 41, each of the handrails 42 is horizontally arranged perpendicular to the upright posts 41, two opposite ends of the handrails 42 are respectively connected to two adjacent upright posts 41, and the upright posts 41 are matched with the handrails 42 to intercept a vehicle. According to practical application, the height of the vertical columns 41, the distance between adjacent vertical columns 41, the number of the railings 42 between adjacent vertical columns 41, and the distance between adjacent railings 42 can be adjusted, as long as the vehicle running on the bridge floor can be intercepted.

Optionally, the guardrail 4 further comprises a plurality of guardrail rollers 43, a plurality of guardrail rollers 43 are disposed between two adjacent railings 42, and the guardrail rollers 43 are rotatably connected to the railings 42. By means of the arrangement, the running direction of the out-of-control vehicle is guided through the rotation of the guardrail roller 43, so that the running direction of the out-of-control vehicle is changed, and the impact force of the out-of-control vehicle on the guardrail 4 is reduced.

In this embodiment, as shown in fig. 5, three balustrades 42 are located below the pillar 41, a plurality of balustrade rollers 43 are disposed between every two adjacent balustrades 42, and each balustrade roller 43 is disposed perpendicular to the balustrade 42 and is rotatably connected to the balustrade 42 in the horizontal direction, so that when a vehicle impacts on the balustrade roller 43, the horizontal rotation of the balustrade rollers 43 changes the tendency of the vehicle to rush out, and thus changes the traveling direction of the vehicle. Adjacent two can a plurality of dwang of vertical fixation between the railing 42, each all overlap on the dwang and establish one guardrail cylinder 43, with the help of guardrail cylinder 43 can be relative the dwang rotates, realizes guardrail cylinder 43 with railing 42's rotatable coupling. To further support the balustrades 42, a support rod 46 may be connected between adjacent balustrades 42. The number of the guardrail rollers 43 and the specific arrangement position on the guardrail 42 can be adjusted according to the practical application, and the guardrail rollers 43 can be rotatably connected with the guardrail 42 in any form.

Optionally, the strip mine cross transport bridge further comprises an anchor net (not shown) and a plurality of anchor rods (not shown). The anchor net is connected with the surface of one side, back to the filling layer 12, of the retaining wall 11; a plurality of the anchor rods penetrate through the anchor net and the retaining wall 11. This kind of setting is right with the help of anchor net and stock barricade 11 is strutted, avoids barricade 11 collapses to the outside, has further strengthened the stability of pontic 1.

Optionally, each retaining wall 11 comprises a bottom plate 111, a wall plate 112 and a plurality of supporting plates 113. The wall plate 112 is vertically and fixedly connected with the bottom plate 111; the supporting plates 113 are disposed on a side of the wall plate 112 facing the filling layer 12, a first end of each supporting plate 113 is fixedly connected to the bottom plate 111, and a second end of each supporting plate 113 is fixedly connected to the wall plate 112. Due to the arrangement, the retaining wall 11 is more stable, and is beneficial to long-time use of bridges and culverts.

In this embodiment, as shown in fig. 2, the bottom plate 111 is connected to the ground, the wall plate 112 is vertically connected to the bottom plate 111 near the center of the bottom plate 111, the bottom plate 111 serves as a base of the wall plate 112 to support the wall plate 112, a plurality of support plates 113 are arranged at intervals along the extending direction of the wall plate 112 on one side of the wall plate 112 facing the filling layer 12, each support plate 113 is a right-angled triangular plate, and two right-angled sides are respectively and fixedly connected to the bottom plate 111 and the wall plate 112. In order to further improve the stability of the retaining wall 11, a pile foundation (not shown) may be connected to one side of the bottom plate 111 facing away from the wall plate 112, and the pile foundation extends into the ground to make the bottom plate 111 unable to move, thereby reducing the probability of the retaining wall 11 slipping, and a concrete layer and a gravel layer may be laid below the bottom plate 111 to reduce the probability of the bottom plate 111 tilting. In this embodiment, the bottom plate 111, the wall plate 112 and the support plate 113 are integrally cast and formed of reinforced concrete. According to practical application, the cross-sectional dimensions and the extension lengths of the bottom plate 111 and the wall plate 112 can be adjusted, and the number and the shape dimensions of the support plates 113 can be adjusted as long as the two ends of the support plates are respectively fixedly connected with the bottom plate 111 and the wall plate 112 to play a supporting role.

Optionally, a plurality of drainage holes 114 are formed through each of the wall plates 112. The drainage holes 114 are provided to facilitate the rapid drainage of the infiltration water in the filling layer 12.

In this embodiment, as shown in fig. 2, the drainage holes 114 are arranged on the wall plate 112 at a distance, the distance between adjacent drainage holes 114 at the lower part of the wall plate 112 is small, the distance between adjacent drainage holes 114 at the upper part of the wall plate 112 is large, one end of each drainage hole 114 far from the filling layer 13 is inclined toward the ground, the transverse gradient is 4%, and the distance between two adjacent drainage holes 114 in the horizontal direction is 2 m. According to practical application, the number of the drainage holes 114, the distance between adjacent drainage holes 114, and the specific opening position on the wall plate 112 can be adjusted.

Optionally, the strip cross-over culvert further comprises a backwash layer (not shown) connected to a side surface of the wall panels 112 facing the fill layer 12. With the arrangement, the infiltration water discharged from the wall plate 112 is filtered by the reverse filtering layer, so that the soil loss in the infiltration water discharging process is prevented.

In this embodiment, the inverted filter layer is a composite drainage net, which is paved on one side surface of the wall plate 112 facing the filling layer 12 and covers the drainage holes 114. The composite drainage network is a mature prior art, and the specific working principle of the composite drainage network is not described in detail herein. According to the practical application, other filtering materials except the composite drainage net can be selected as the inverted filtering layer.

The utility model provides a strip mine alternately transport system, including broken station 5 and end group road 6, still include any embodiment of the aforesaid strip mine alternately transport the bridge and culvert, strip mine alternately transport two sets of the bridge and culvert the barricade 11 be on a parallel with end group road 6, and set up in broken station 5 with between the end group road 6, a plurality of culverts 2 of strip mine alternately transport the bridge and culvert correspond broken station 5 sets up.

In this embodiment, two lanes are provided in each culvert 2, each lane is communicated with the crushing station 5 and the end slope road 6, the two lanes are respectively used for coal-transporting trucks to enter or exit the crushing station 5, the width of the end slope road 6 is 40 meters, and correspondingly, two lanes are also provided.

The use of the open pit cross conveyor system is described further below:

the open pit cross transportation bridge is arranged between the crushing station 5 and the end slope road 6, the bridge body 1 is arranged in parallel to the end slope road 6, the center of the bridge body 1 is high, and the height of the bridge body is gradually reduced in the process of extending towards two ends, so that a trolley for transporting earthwork can smoothly enter or exit the bridge body 1, the culvert 2 penetrates through the bridge body 1 and is arranged corresponding to the crushing station 5, therefore, a coal transporting cart which exits from the crushing station 5 runs to the end slope road 6 through the plurality of culverts 2 to carry out normal coal transporting operation, and the trolley for transporting earthwork runs above the bridge body 1, and thus independently runs in parallel with the coal transporting cart in the vertical direction.

Adopt the utility model discloses strip mine alternately transports bridge and culvert and strip mine alternately transport system, with the help of the pontic 1 with culvert 2 for the coal transporting cart is by broken station 5 warp culvert 2 traveles to end group road 6, and the dolly of transporting the earth and stone side is in 1 top of the pontic traveles, and the dolly need not detour, has reduced manufacturing cost, and dolly and cart independently travel in parallel on vertical, has avoided the conflict problem that the vehicle crossed, has improved the operating efficiency of vehicle transportation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a strip mine transports bridge culvert alternately, includes pontic and a plurality of culvert, its characterized in that, the pontic includes:

the height of each retaining wall is gradually reduced from the center to two ends;

the filling layer is arranged between the two groups of retaining walls and fills a cavity between the two groups of retaining walls;

the hardening layer is paved on the surface of one side, far away from the ground, of the filling layer;

and the culverts respectively penetrate through the retaining walls and the filling layers.

2. The strip mine cross transport bridge of claim 1, further comprising:

the anticollision wall, the anticollision wall with the relative both sides fixed connection of sclerosis layer extending direction.

3. The strip mine cross transport bridge of claim 2, further comprising:

the guardrail, the guardrail with the anticollision wall is kept away from the one end fixed connection on sclerosis layer.

4. The strip mine cross transport bridge of claim 3, wherein the guardrail comprises:

the upright columns are arranged at intervals along the extending direction of the anti-collision wall and are fixedly connected with the anti-collision wall;

a plurality of railings, adjacent two all be connected with a plurality ofly between the stand the railing.

5. The strip mine cross transport bridge of claim 4, wherein the guardrail further comprises:

a plurality of guardrail rollers, adjacent two be provided with a plurality ofly between the railing the guardrail roller, just the guardrail roller with railing rotatable coupling.

6. The open-pit cross-transport bridge according to any one of claims 1 to 5, further comprising:

the anchor net is connected with the surface of one side, back to the filling layer, of the retaining wall;

and the anchor net and the retaining wall are arranged in a penetrating way.

7. The strip mine cross transport bridge according to any one of claims 1 to 5, wherein each retaining wall comprises:

a base plate;

the wall plate is vertically and fixedly connected with the bottom plate;

a plurality of backup pads, it is a plurality of the backup pad set up in the wallboard orientation one side of filling layer, each the first end of backup pad all with bottom plate fixed connection, each the second end of backup pad all with wallboard fixed connection.

8. The strip mine cross transport bridge of claim 7, wherein:

each wallboard is provided with a plurality of water drainage holes in a penetrating way.

9. The strip mine cross transport bridge of claim 8, further comprising:

the inverted filter layer is connected with one side surface, facing the filling layer, of the wallboard.

10. A strip mine cross transportation system comprising a crushing station and an end slope road, characterized by further comprising the strip mine cross transportation bridge according to any one of claims 1 to 9, wherein two sets of retaining walls of the strip mine cross transportation bridge are parallel to the end slope road and are arranged between the crushing station and the end slope road, and a plurality of culverts of the strip mine cross transportation bridge are arranged corresponding to the crushing station.

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