CN116104563A - Tunnel suspension type continuous conveying system - Google Patents

Abstract

The present disclosure proposes a tunnel suspended continuous conveying system, comprising: the haulage rope, at least part setting of haulage rope is in the tunnel, and the haulage rope includes: a feed side and a return side; the driving device is in transmission connection with the haulage rope, and drives the haulage rope to circularly rotate so as to enable the feeding side of the haulage rope to move along the direction from the tunnel entrance to the tunnel working surface and enable the returning side of the haulage rope to move along the direction from the tunnel working surface to the tunnel entrance; the connecting pieces are detachably connected with the hauling ropes and are connected with the conveying materials of the tunnel. In the suspended continuous conveying system for the tunnel, continuous conveying of the tunnel conveying materials is achieved, conveying efficiency of the tunnel conveying materials is greatly improved, construction efficiency of the tunnel is further improved, and construction cost of the tunnel is reduced.

Description

Tunnel suspension type continuous conveying system

Technical Field

The disclosure relates to the technical field of tunneling, in particular to a suspended continuous tunnel conveying system.

Background

Because tunnel construction comprises tunneling, supporting and other operations, corresponding materials are required to be continuously conveyed into the tunnel in the tunnel construction so as to complete the construction of the tunnel. At present, the transportation of materials mostly utilizes electric locomotives, the electric locomotives travel back and forth in a tunnel, and the materials are loaded on the electric locomotives, so that the transportation of the materials into the tunnel is realized.

However, due to the reciprocating walking of the electric locomotive, the material can only be transported in an intermittent mode, although the mode has little influence on the tunnel with smaller length, the intermittent transportation mode leads to extremely long transportation time of the material for the tunnel with larger length, so that the overall transportation efficiency is lower, the construction efficiency of the tunnel is seriously influenced, and the construction cost of the tunnel is increased.

Disclosure of Invention

The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art.

To this end, it is an object of the present disclosure to provide a tunnel suspended continuous conveyor system.

To achieve the above object, the present disclosure provides a tunnel suspended continuous conveying system, comprising: haulage rope, at least part of haulage rope sets up in the tunnel, the haulage rope includes: a feed side and a return side; the driving device is in transmission connection with the haulage rope, and drives the haulage rope to circularly rotate so as to enable the feeding side of the haulage rope to move along the direction from the tunnel portal to the tunnel working surface and enable the returning side of the haulage rope to move along the direction from the tunnel working surface to the tunnel portal; the connecting pieces are detachably connected with the haulage ropes and connected with the conveying materials of the tunnel.

Further, the first end of the haulage rope is rotationally connected with tunneling equipment in the tunnel, and the tunneling equipment walks and pulls the first end of the haulage rope to extend along the direction from the tunnel portal to the tunnel working surface; the delivery system further comprises: a rope storage device, the rope storage device comprising: the device comprises a fixing frame, a movable trolley and a plurality of rope storage wheels; the movable trolley is arranged in a sliding manner relative to the fixed frame, the rope storage wheels are respectively arranged on the fixed frame and the movable trolley, the rope storage wheels are distributed in a staggered manner, and the second end of the traction rope sequentially bypasses the rope storage wheels.

Further, the conveying system further comprises: a tensioning device, the tensioning device comprising: the tensioning frame, a plurality of first tensioning wheels, a plurality of second tensioning wheels, a tensioning rope and a winch; the tensioning frame is fixedly arranged relative to the fixing frame, the first tensioning wheels are arranged on the movable trolley, the second tensioning wheels are arranged on the tensioning frame, one end of the tensioning rope is connected with a winding disc of the winding machine, and the other end of the tensioning rope bypasses the plurality of first tensioning wheels and the plurality of second tensioning wheels and then is connected with the tensioning frame; the winding machine is fixedly arranged relative to the fixing frame, the winding machine drives the winding disc to rotate, the winding disc winds the tensioning rope, the tensioning rope further exerts a constant force on the movable trolley along the tunnel working face to the tunnel opening direction, and the constant force is smaller than the pulling force of the tunneling equipment on the pulling rope.

Further, the rope storage device further includes: the guide frame is arranged in a sliding manner relative to the fixed frame, the guide frame is positioned between the fixed frame and the movable trolley, a plurality of first guide wheels are arranged on the guide frame, and the tops of the first guide wheels are in rolling connection with the second end of the traction rope.

Further, the conveying system further comprises: the steering wheel is arranged on the tunneling equipment, and the first end of the haulage rope bypasses the steering wheel; the second guide wheels are sequentially arranged at the position close to the traction rope, and the tops of the second guide wheels are in rolling connection with the traction rope.

Further, the conveying system further comprises: the first buffer platform and the second buffer platform, first buffer platform and second buffer platform all include: the buffer frame and a plurality of roller, a plurality of rollers set gradually on the buffer frame, the buffer frame of first buffer platform sets up on the tunnel tunnelling equipment in the tunnel, the buffer frame of second buffer platform sets up and is being close to the second end department of haulage rope.

Furthermore, the buffer frame of the first buffer platform is close to one end of the tunnel portal and the buffer frame of the second buffer platform is close to one end of the tunnel working face, and the rollers are distributed on the slopes.

Further, the conveying system further comprises: the first switch is electrically connected with the driving device and is arranged on tunneling equipment in the tunnel; the second switch is electrically connected with the driving device, the second switch is arranged at the second end close to the traction rope, and the first switch is connected with the second switch in series.

Further, the driving device includes: a drive rack disposed proximate to the second end of the traction rope; the two driving wheels are arranged on the driving frame, the return side of the hauling rope sequentially winds around the two driving wheels, and the return side of the hauling rope winds around the driving wheels at least one circle; the driving parts are arranged on the driving frame and are in transmission connection with the driving wheels, and the driving parts drive the driving wheels to rotate so that the return side of the haulage rope moves along the direction from the tunnel working surface to the tunnel opening.

Further, the connector includes: the rope clip is detachably connected with the traction rope, and the connecting rod of the rope clip is connected with the connecting plate; the transportation of the tunnel comprises the following steps: and the connecting plate is connected with the prefabricated duct piece.

The technical scheme provided by the disclosure can comprise the following beneficial effects:

the driving device drives the haulage rope to circularly rotate in the tunnel, so that the feeding side of the haulage rope always moves towards the working surface of the tunnel, the returning side of the haulage rope always moves towards the tunnel portal, and the transport material of the tunnel is loaded on the haulage rope through the connecting piece, so that the haulage rope pulls and supports the transport material of the tunnel. Therefore, continuous conveying of tunnel conveying materials is realized, conveying efficiency of the tunnel conveying materials is greatly improved, construction efficiency of the tunnel is further improved, and construction cost of the tunnel is reduced.

Additional aspects and advantages of the disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the disclosure.

Drawings

The foregoing and/or additional aspects and advantages of the present disclosure will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram of a suspended continuous conveying system in a tunnel according to an embodiment of the disclosure;

FIG. 2 is a schematic diagram of the structure of a rope storage device and a tensioning device in a suspended continuous tunnel conveyor system according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a first buffer platform in a suspended tunnel continuous conveying system according to an embodiment of the disclosure;

fig. 4 is a schematic structural diagram of a driving device in a suspended continuous tunnel conveying system according to an embodiment of the disclosure;

FIG. 5 is a schematic cross-sectional view of a suspended continuous conveying system in a tunnel according to an embodiment of the disclosure;

as shown in the figure: 1. traction rope, 2, driving device, 3, connecting piece, 4, feeding side, 5, return side, 6, rope storage device, 7, fixing frame, 8, travelling car, 9, rope storage wheel, 10, tensioning device, 11, tensioning frame, 12, first tensioning wheel, 13, second tensioning wheel, 14, tensioning rope, 15, hoist engine, 16, guide frame, 17, first guide wheel, 18, steering wheel, 19, second guide wheel, 20, first buffer platform, 21, second buffer platform, 22, buffer frame, 23, roller, 24, slope, 25, first switch, 26, second switch, 27, driving frame, 28, driving wheel, 29, driving piece, 30, rope clip, 31, connecting plate, 32, and transporting material.

Detailed Description

Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present disclosure and are not to be construed as limiting the present disclosure. On the contrary, the embodiments of the disclosure include all alternatives, modifications, and equivalents as may be included within the spirit and scope of the appended claims.

As shown in fig. 1, an embodiment of the present disclosure proposes a tunnel suspended continuous conveying system, including a haulage rope 1, a driving device 2 and a connecting piece 3, at least part of the haulage rope 1 is disposed in a tunnel, and the haulage rope 1 includes: the feeding side 4 and the returning side 5, the driving device 2 is in transmission connection with the haulage rope 1, the driving device 2 drives the haulage rope 1 to rotate circularly, so that the feeding side 4 of the haulage rope 1 moves along the direction from the tunnel entrance to the tunnel working face, the returning side 5 of the haulage rope 1 moves along the direction from the tunnel working face to the tunnel entrance, the connecting piece 3 is detachably connected with the haulage rope 1, and the connecting piece 3 is connected with the transporting material 32 of the tunnel.

It can be understood that the driving device 2 drives the haulage rope 1 to circularly rotate in the tunnel, so that the feeding side 4 of the haulage rope 1 always moves towards the tunnel working surface, the returning side 5 of the haulage rope 1 always moves towards the tunnel entrance, and the material 32 of the tunnel is loaded on the haulage rope 1 through the connecting piece 3, so that the haulage rope 1 pulls and supports the material 32 of the tunnel. Therefore, continuous conveying of the tunnel conveying materials 32 is achieved, conveying efficiency of the tunnel conveying materials 32 is greatly improved, construction efficiency of a tunnel is further improved, and construction cost of the tunnel is reduced.

The material 32 in the tunnel refers to a material to be transported in the tunnel, and may be prefabricated pipe pieces, grease drums, foam, pavement boards, and other devices.

The working face of the tunnel is also called a tunnel face, a tunnel face and the like, and is a working face which is continuously pushed forward in tunneling.

The haulage rope 1 can be partly set up in the tunnel, and partly set up outside the tunnel, and the material is loaded on haulage rope 1 by the tunnel outside being close to tunnel portal department, and the installation of each equipment, the hoist and mount of material etc. are convenient for to this kind of mode, make the transportation of fortune material 32 more convenient, but according to the in-service use needs, haulage rope 1 also can all set up in the tunnel, and the material is loaded on haulage rope 1 by the one end that is close to tunnel portal in the tunnel.

The feed side 4 and the return side 5 of the haulage rope 1 are dynamic, i.e. during the cyclic rotation of the haulage rope 1 the part of the haulage rope 1 moving in the direction from the tunnel entrance to the tunnel entrance is called the feed side 4 and the part of the haulage rope 1 moving in the direction from the tunnel entrance to the tunnel entrance is called the return side 5. The relative positions of the feeding side 4 and the returning side 5 of the hauling cable 1 in the tunnel can be set according to actual needs, for example: the feeding side 4 is located directly below the return side 5, the feeding side 4 and the return side 5 are located in the same horizontal plane, etc.

The traction rope 1 can be a steel wire rope or other ropes with bearing capacity, and the specific size of the traction rope 1 can be set according to actual needs without limitation.

Since the working surface of the tunnel is continuously advancing, the length of the hauling cable 1 needs to meet the requirement of transporting the material 32 between the working surface of the tunnel and the tunnel portal, which results in the length of the hauling cable 1 needing to be continuously adjusted.

As shown in fig. 1 and 2, in some embodiments, the first end of the haulage rope 1 is rotatably connected to a tunneling device in a tunnel, the tunneling device walks to drag the first end of the haulage rope 1 to extend along a direction from a tunnel entrance to a tunnel working surface, the conveying system further includes a rope storage device 6, the rope storage device 6 includes a fixed frame 7, a moving trolley 8, and a plurality of rope storage wheels 9, wherein the moving trolley 8 is slidably disposed relative to the fixed frame 7, the plurality of rope storage wheels 9 are disposed on the fixed frame 7 and the moving trolley 8, respectively, and the plurality of rope storage wheels 9 are staggered, and the second end of the haulage rope 1 sequentially bypasses the plurality of rope storage wheels 9.

It will be appreciated that by bypassing the second ends of the haulage ropes 1 around the plurality of rope storage wheels 9, parts of the haulage ropes 1 are stored between the fixed frame 7 and the travelling car 8, and under the dragging of the tunneling equipment, the travelling car 8 moves towards the direction close to the fixed frame 7, and the first ends of the haulage ropes 1 extend along the direction from the tunnel portal to the tunnel portal, so that the lengths of the haulage ropes 1 can be automatically adapted to the continuous propulsion of the tunnel portal, and the stable conveying of the conveying materials 32 between the tunnel portal and the tunnel portal is ensured.

It should be noted that, the first end of the haulage rope 1 is the end of the haulage rope 1 near the tunnel working surface, and the second end of the haulage rope 1 is the end of the haulage rope 1 near the tunnel portal.

The tunneling equipment is used for tunneling operation of a Tunnel, and can be a shield tunneling Machine, a TBM (Tunnel-Boring-Machine) and the like, and the tail part of the tunneling equipment is provided with a temporary storage area for unloading and temporarily storing materials.

The sliding structure of the moving trolley 8 relative to the fixed frame 7 can be set according to actual needs, for example: the rope storage device 6 further comprises a rope storage seat and a limiting frame, the rope storage seat is fixedly arranged on the ground of the tunnel through an embedded part, the fixing frame 7 is fixedly arranged on the rope storage seat, the movable trolley 8 is slidably arranged on the rope storage seat, the limiting frame is fixedly arranged on the rope storage seat, and the movable trolley 8 is located between the limiting frame and the fixing frame 7. The sliding of the moving trolley 8 on the rope storage seat can be realized through structures such as the matching of the guide rail and the rail groove, the matching of the idler wheel and the rail, and the like.

The rotating structure of the rope storage wheel 9 on the fixed frame 7 is the same as the rotating structure of the rope storage wheel 9 on the movable trolley 8, taking the rotating structure of the rope storage wheel 9 on the fixed frame 7 as an example, the rope storage wheel 9 comprises a wheel frame, a wheel shaft and a wheel body, the wheel frame is fixedly arranged on the fixed frame 7, the wheel shaft is fixedly arranged on the wheel frame, and the wheel body is rotatably arranged on the wheel shaft through a bearing. The wheel axle can be perpendicular to the length direction of the tunnel, and can also be parallel to the length direction of the tunnel; the outer circumferential surface of the wheel body can be provided with an annular groove so as to facilitate the winding of the traction rope 1 and ensure the stable arrangement of the traction rope 1 on the rope storage wheel 9.

The more the number of the rope storage wheels 9 is, the larger the storage amount of the traction rope 1 is, the longer the adjustable length of the traction rope 1 is, and the number of the rope storage wheels 9 can be set according to actual needs, and the method is not limited.

The drive means 2 may be located between the rope storage means 6 and the tunnelling equipment.

As shown in fig. 2, in some embodiments, the conveying system further includes a tensioning device 10, where the tensioning device 10 includes a tensioning frame 11, a plurality of first tensioning wheels 12, a plurality of second tensioning wheels 13, a tensioning rope 14, and a winding machine 15, where the tensioning frame 11 is fixedly disposed relative to the fixing frame 7, the first tensioning wheels 12 are disposed on the travelling car 8, the second tensioning wheels 13 are disposed on the tensioning frame 11, one end of the tensioning rope 14 is connected to a winding disc of the winding machine 15, the other end of the tensioning rope 14 is connected to the tensioning frame 11 after bypassing the plurality of first tensioning wheels 12 and the plurality of second tensioning wheels 13, the winding machine 15 is fixedly disposed relative to the fixing frame 7, and the winding machine 15 drives the winding disc to rotate so that the winding disc winds the tensioning rope 14, and thus the tensioning rope 14 applies a constant force along the tunnel working surface to the tunnel portal direction on the travelling car 8, and the constant force is smaller than the pulling force applied to the tunneling rope 1.

It will be appreciated that the winding disc on which the winding machine 15 is driven winds the tensioning rope 14 so that the tensioning rope 14 applies a constant force on the travelling car 8 in the direction from the tunnel working face to the tunnel portal, thereby ensuring tensioning of the haulage rope 1, and the tunneling apparatus is capable of pulling the haulage rope 1 against the driving force of the winding machine 15 to adapt to the continuous propulsion of the tunneling apparatus to the tunnel working face, and simultaneously, the winding machine 15 outputs a constant force to the travelling car 8 so that the tensioning degree of the haulage rope 1 is more stable and further ensuring stable conveying of the transporting material 32.

The tensioning frame 11 may be fixedly disposed on the ground of the tunnel through an embedded part.

The winding machine 15 may include a winding frame, a winding disc, a variable frequency motor and a speed reducer, the winding frame may be fixedly disposed on the ground of the tunnel through an embedded part, the winding disc is disposed on the winding frame, the variable frequency motor and the speed reducer are fixedly disposed on the winding frame, the variable frequency motor is connected with the speed reducer in a transmission manner, the speed reducer is connected with the winding disc in a transmission manner, the variable frequency motor is driven by the frequency converter, and the frequency converter enables constant torque output of the variable frequency motor, so that the tension rope 14 is ensured to apply a constant force along the tunnel working surface to the tunnel portal direction on the travelling car 8.

The hoist 15 may further include a brake, the brake of which is connected to the output shaft of the speed reducer, and which performs a band-type braking action to lock the speed reducer in an emergency or a stop, thereby preventing the tensioning rope 14 from rotating in a reverse direction, so that the tensioning device 10 is still in a tensioned state.

The tensioning rope 14 may be a steel wire rope or other ropes with tensile capability, and the specific size of the tensioning rope 14 may be set according to actual needs, which is not limited herein.

The first tensioning wheel 12 and the second tensioning wheel 13 have the same structure, taking the first tensioning wheel 12 as an example, the first tensioning wheel 12 comprises a wheel frame, a wheel shaft and a wheel body, the wheel frame is fixedly arranged on the movable trolley 8, the wheel shaft is fixedly arranged on the wheel frame, and the wheel body is rotatably arranged on the wheel shaft through a bearing. The wheel axle can be perpendicular to the length direction of the tunnel, and can also be parallel to the length direction of the tunnel; an annular groove can be formed in the outer circumferential surface of the wheel body, so that the tensioning rope 14 can be wound conveniently, and stable arrangement of the tensioning rope 14 on the first tensioning wheel 12 is guaranteed.

Between the second tensioning wheel 13 and the first tensioning wheel 12, pulleys can be arranged according to actual needs, and the tensioning rope 14 bypasses the pulleys, so that stable arrangement of the tensioning rope 14 between the second tensioning wheel 13 and the first tensioning wheel 12 is ensured.

The rope storage means 6 may be located between the tensioning means 10 and the drive means 2.

When the distance between the mobile trolley 8 and the fixed frame 7 is smaller, the influence of the self weight of the traction rope 1 on the tensioning degree of the traction rope is smaller, but when the distance between the mobile trolley 8 and the fixed frame 7 is larger, the influence of the self weight of the traction rope 1 on the tensioning degree of the traction rope 1 is larger, and therefore, a corresponding structure is arranged to reduce the influence of the self weight of the traction rope 1 on the tensioning degree of the traction rope 1.

As shown in fig. 1 and 5, in some embodiments, the conveying system further includes a steering wheel 18 and a plurality of second guiding wheels 19, the steering wheel 18 is disposed on the tunneling apparatus, the first end of the haulage rope 1 bypasses the steering wheel 18, the plurality of second guiding wheels 19 are disposed in sequence near the haulage rope 1, and the top of the second guiding wheels 19 is in rolling connection with the haulage rope 1.

It can be understood that through setting up of the steering wheel 18, realize that haulage rope 1 links to each other with tunnel tunnelling equipment, guarantee that the length of haulage rope 1 can adapt to tunnel tunnelling equipment's continuous tunnelling, simultaneously, through the setting of a plurality of second leading wheels 19, not only can play the guide effect to haulage rope 1, make the setting of haulage rope 1 in the tunnel more stable, but also can play the supporting role to haulage rope 1, thereby reduce the haulage rope 1, the influence of transporting weight such as material 32 to conveying system, guarantee that haulage rope 1 is to transporting stable the transportation of material 32.

It should be noted that, the steering wheel 18 may include a wheel frame, an axle and a wheel body, the wheel frame is fixedly disposed at the tail of the tunneling device, the axle is fixedly disposed on the wheel frame, and the wheel body is rotatably disposed on the axle through a bearing. Wherein, the wheel axle can be vertical to the length direction of the tunnel; the outer circumferential surface of the wheel body can be provided with an annular groove so as to facilitate the winding of the haulage rope 1 and ensure the stable setting of the haulage rope 1 on the tunneling equipment.

The second guide wheel 19 may include a wheel frame fixedly disposed on a bracket inside or outside the tunnel, a wheel shaft fixedly disposed on the wheel frame, and a wheel body rotatably disposed on the wheel shaft through a bearing. Wherein, the wheel axle can be vertical to the length direction of the tunnel; the outer circumferential surface of the wheel body can be provided with an annular groove so as to facilitate the winding of the traction rope 1 and ensure the stable setting of the traction rope 1.

The number and the distribution pitch of the second guide wheels 19 may be set according to actual needs, and are not limited herein. Wherein, along with the continuous tunneling of the tunneling equipment, the second guide wheels 19 can be sequentially arranged in the tunnel according to the set distribution interval.

Because the weight of a part of the material 32 is large, when the material 32 is loaded on the traction rope 1 through the connecting piece 3, it is difficult for an operator to directly unload the material 32, and at the same time, when the material 32 is required to be loaded on the traction rope 1, the operator is also difficult to operate, so that a corresponding structure is required to be arranged to facilitate the loading and unloading of the material 32 on the traction rope 1.

As shown in fig. 1 and 3, in some embodiments, the conveying system further includes a first buffer platform 20 and a second buffer platform 21, each of the first buffer platform 20 and the second buffer platform 21 includes a buffer frame 22 and a plurality of rollers 23, the plurality of rollers 23 are sequentially disposed on the buffer frame 22, the buffer frame 22 of the first buffer platform 20 is disposed on a tunneling device in a tunnel, and the buffer frame 22 of the second buffer platform 21 is disposed near the second end of the haulage rope 1.

It can be appreciated that through the arrangement of the first buffer platform 20 and the second buffer platform 21, when the material 32 moves to the first buffer platform 20 along with the traction rope 1 or the material 32 is loaded onto the traction rope 1 from the second buffer platform 21, the roller 23 can bear the weight of the material 32, so that the stress between the connecting piece 3 and the traction rope 1 is greatly reduced, the loading and unloading of the material 32 on the traction rope 1 are facilitated, the conveying efficiency of the whole material 32 is effectively improved, and the conveying cost of the whole material 32 is reduced.

The roller 23 may be a power roller 23 or a non-power roller 23.

The number of the rollers 23 may be set according to actual needs, and is not limited herein.

The second buffer stage 21 may be located between the drive means 2 and the tunnelling equipment.

The specific heights of the first cushioning platform 20 and the second cushioning platform 21 may be set according to actual needs, but are not limited thereto, and it should be ensured that the rollers 23 can carry the weight of the carrier 32 when the connecting piece 3 is connected to the traction rope 1.

The material 32 on the first buffer platform 20 can be removed by a lifting device on the tunneling apparatus, and the material 32 on the second buffer platform 21 can be removed by an external lifting device.

As shown in fig. 3, in some embodiments, a slope 24 is disposed at an end of the buffer frame 22 of the first buffer platform 20 near the tunnel portal and an end of the buffer frame 22 of the second buffer platform 21 near the tunnel working surface, and rollers 23 are distributed on the slope 24.

It will be appreciated that by providing the ramp 24, the movement of the material 32 onto the first buffer platform 20 or off the second buffer platform 21 is facilitated, and the delivery of the material 32 by the hauling cable 1 is more stable.

It should be noted that the angle of the slope 24 may be set according to actual needs, and is not limited herein.

When the material 32 is loaded onto the hauling rope 1 or unloaded from the hauling rope 1, the hauling rope 1 needs to stop circulating rotation so as to facilitate the loading and unloading of the material 32 by an operator.

As shown in fig. 1, in some embodiments, the conveying system further includes a first switch 25 and a second switch 26, the first switch 25 is electrically connected to the driving device 2, the first switch 25 is disposed on the tunneling apparatus in the tunnel, the second switch 26 is electrically connected to the driving device 2, the second switch 26 is disposed near the second end of the haulage rope 1, and the first switch 25 is connected in series with the second switch 26.

It can be appreciated that through the setting of the first switch 25, the control haulage rope 1 circulation of being convenient for opens and stops to be convenient for lift the fortune material 32 off from haulage rope 1, through the setting of the second switch 26, the control haulage rope 1 circulation of being convenient for opens and stops, thereby be convenient for load fortune material 32 to haulage rope 1 on, simultaneously, through the series connection of first switch 25 and second switch 26, make fortune material 32 be in loading operation or be in when lifting off the operation, the circulation rotation of haulage rope 1 all can't open, guarantee the safety and stability of fortune material 32 loading and unloading.

The operator can perform the discharging operation of the material 32 after pressing the first switch 25, and the operator can perform the loading operation of the material 32 after pressing the second switch 26.

The first switch 25 and the second switch 26 may control the driving device 2 via a controller, wherein the controller may also be used to control the hoisting machine 16.

The first switch 25 may be disposed on the first buffer stage 20, and the second switch 26 may be disposed on the second buffer stage 21.

The driving device 2 may be electrically driven, hydraulically driven, or the like.

As shown in fig. 4, in some embodiments, the driving device 2 comprises a driving frame 27, two driving wheels 28 and two driving members 29, the driving frame 27 is arranged near the second end of the hauling cable 1, the driving wheels 28 are arranged on the driving frame 27, the return side 5 of the hauling cable 1 sequentially bypasses the two driving wheels 28, and the return side 5 of the hauling cable 1 bypasses at least one turn on the driving wheels 28, the driving members 29 are arranged on the driving frame 27, the driving members 29 are in transmission connection with the driving wheels 28, and the driving members 29 drive the driving wheels 28 to rotate so as to enable the return side 5 of the hauling cable 1 to move along the direction from the tunnel working surface to the tunnel portal.

It will be appreciated that the driving member 29 drives the driving wheel 28 to rotate, and the driving wheel 28 drives the traction rope 1 to move by the friction force between the driving wheel 28 and the traction rope 1, so that the traction rope 1 can circularly rotate, and meanwhile, the return side 5 of the traction rope 1 is wound around the driving wheel 28 at least one circle, so that the driving wheel 28 has high friction force with the traction rope 1, and stable driving of the traction rope 1 by the driving wheel 28 is ensured.

It should be noted that the number of turns of the return side 5 of the traction rope 1 wound around the driving wheel 28 may be set according to actual needs, for example: one turn, two turns, three turns, etc.

The driving wheels 28 and the driving members 29 are in one-to-one correspondence, and the number of the driving wheels 28 and the driving members 29 may be set according to actual needs, which is not limited herein.

The driving member 29 may include a driving motor and a speed reducer, both of which are disposed on the driving frame 29, and the driving motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with the driving wheel 28, so that the driving motor drives the speed reducer to rotate, and the speed reducer drives the driving wheel 28 to rotate.

The number of windings of the return side 5 of the traction rope 1 on the respective driving wheels 28 may be the same or different.

As shown in fig. 5, in some embodiments, the connector 3 includes a rope clip 30 and a connection plate 31, the rope clip 30 is detachably connected to the traction rope 1, the connection rod of the rope clip 30 is connected to the connection plate 31, the material 32 of the tunnel includes a prefabricated segment, and the connection plate 31 is connected to the prefabricated segment.

It can be understood that through the arrangement of the rope clip 30 and the connecting plate 31, the prefabricated pipe piece is convenient to assemble and disassemble on the traction rope 1 while the stable connection between the prefabricated pipe piece and the traction rope 1 is ensured, so that the conveying efficiency of the prefabricated pipe piece is higher as a whole.

After the rope clip 30 is detached from the feeding side 4 of the traction rope 1, the prefabricated segment should be detached from the connecting plate 31, and the rope clip 30 is loaded on the return side 5 of the traction rope 1, so that the rope clip 30 and the connecting plate 31 can be returned to the second end of the traction rope 1 for recycling.

The structure of the rope clip 30 can be set according to actual needs, for example: the rope clip 30 comprises a main body, a main holding claw, a connecting rod, a locking bolt, an elastic ejector rod, a rigid ejector rod and a movable holding claw, wherein the main holding claw is fixedly arranged on the main body, the connecting rod is arranged on the main body through a sliding bearing, the sliding bearing is arranged on the main body through a stop flat pad and a shaft spring retainer ring, the locking bolt is arranged on the main body, the elastic ejector rod is arranged at the front end of the locking bolt, the rigid ejector rod is arranged at the front end of the elastic ejector rod, and the movable holding claw is arranged on the rigid ejector rod and sleeved on the main holding claw. Thereby, after tightening the locking bolt, the traction rope 1 is fixed between the movable holding claw and the main holding claw. Wherein, after the movable holding claw and the main holding claw are fixed on the traction rope 1, an opening is arranged between the movable holding claw and the main holding claw so as to facilitate the rolling connection of the traction rope 1 and the second guide wheel 19.

The prefabricated segment is a main assembly component for tunnel construction, is the innermost barrier of the tunnel, and plays a role in resisting soil layer pressure, groundwater pressure and some special loads.

The connection structure between the connection plate 31 and the prefabricated segment can be set according to actual needs, for example: the connecting plate 31 is provided with a connecting hole, the prefabricated pipe piece is provided with a hoisting threaded hole, and a threaded rod of a bolt passes through the connecting hole and then is screwed in the hoisting threaded hole.

The bottom of the connecting plate 31 can be provided with a cushion block matched with the shape of the prefabricated segment so as to ensure stable connection between the prefabricated segment and the connecting plate 31.

It should be noted that in the description of the present disclosure, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and further implementations are included within the scope of the preferred embodiment of the present disclosure in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present disclosure.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present disclosure.

Claims (10)

1. A tunnel-suspended continuous conveyor system, comprising:

haulage rope, at least part of haulage rope sets up in the tunnel, the haulage rope includes: a feed side and a return side;

the driving device is in transmission connection with the haulage rope, and drives the haulage rope to circularly rotate so as to enable the feeding side of the haulage rope to move along the direction from the tunnel portal to the tunnel working surface and enable the returning side of the haulage rope to move along the direction from the tunnel working surface to the tunnel portal;

the connecting pieces are detachably connected with the haulage ropes and connected with the conveying materials of the tunnel.

2. The suspended continuous tunnel conveying system according to claim 1, wherein the first end of the haulage rope is rotatably connected with tunneling equipment in the tunnel, and the tunneling equipment walks and pulls the first end of the haulage rope to extend along the direction from the tunnel portal to the tunnel working surface;

the delivery system further comprises:

a rope storage device, the rope storage device comprising: the device comprises a fixing frame, a movable trolley and a plurality of rope storage wheels;

the movable trolley is arranged in a sliding manner relative to the fixed frame, the rope storage wheels are respectively arranged on the fixed frame and the movable trolley, the rope storage wheels are distributed in a staggered manner, and the second end of the traction rope sequentially bypasses the rope storage wheels.

3. The tunnel-suspended continuous conveying system of claim 2, further comprising:

a tensioning device, the tensioning device comprising: the tensioning frame, a plurality of first tensioning wheels, a plurality of second tensioning wheels, a tensioning rope and a winch;

the tensioning frame is fixedly arranged relative to the fixing frame, the first tensioning wheels are arranged on the movable trolley, the second tensioning wheels are arranged on the tensioning frame, one end of the tensioning rope is connected with a winding disc of the winding machine, and the other end of the tensioning rope bypasses the plurality of first tensioning wheels and the plurality of second tensioning wheels and then is connected with the tensioning frame;

the winding machine is fixedly arranged relative to the fixing frame, the winding machine drives the winding disc to rotate, the winding disc winds the tensioning rope, the tensioning rope further exerts a constant force on the movable trolley along the tunnel working face to the tunnel opening direction, and the constant force is smaller than the pulling force of the tunneling equipment on the pulling rope.

4. The tunnel-suspended continuous conveying system according to claim 2, wherein the rope storage device further comprises:

the guide frame is arranged in a sliding manner relative to the fixed frame, the guide frame is positioned between the fixed frame and the movable trolley, a plurality of first guide wheels are arranged on the guide frame, and the tops of the first guide wheels are in rolling connection with the second end of the traction rope.

5. The tunnel-suspended continuous conveying system of claim 2, further comprising:

the steering wheel is arranged on the tunneling equipment, and the first end of the haulage rope bypasses the steering wheel;

the second guide wheels are sequentially arranged at the position close to the traction rope, and the tops of the second guide wheels are in rolling connection with the traction rope.

6. The tunnel-suspended continuous conveying system of claim 2, further comprising: the first buffer platform and the second buffer platform, first buffer platform and second buffer platform all include: the buffer frame and a plurality of roller, a plurality of rollers set gradually on the buffer frame, the buffer frame of first buffer platform sets up on the tunnel tunnelling equipment in the tunnel, the buffer frame of second buffer platform sets up and is being close to the second end department of haulage rope.

7. The tunnel suspended continuous conveying system according to claim 6, wherein a slope is arranged at one end of the buffer frame of the first buffer platform, which is close to the tunnel portal, and one end of the buffer frame of the second buffer platform, which is close to the tunnel working surface, and the rollers are distributed on the slope.

8. The tunnel suspended continuous conveying system according to any one of claims 1-7, further comprising:

the first switch is electrically connected with the driving device and is arranged on tunneling equipment in the tunnel;

the second switch is electrically connected with the driving device, the second switch is arranged at the second end close to the traction rope, and the first switch is connected with the second switch in series.

9. The continuous tunnel suspended conveyor system according to any one of claims 1-7, wherein said drive means comprises:

a drive rack disposed proximate to the second end of the traction rope;

the two driving wheels are arranged on the driving frame, the return side of the hauling rope sequentially winds around the two driving wheels, and the return side of the hauling rope winds around the driving wheels at least one circle;

the driving parts are arranged on the driving frame and are in transmission connection with the driving wheels, and the driving parts drive the driving wheels to rotate so that the return side of the haulage rope moves along the direction from the tunnel working surface to the tunnel opening.

10. The suspended tunnel continuous conveying system according to any one of claims 1-7, wherein,

the connector includes: the rope clip is detachably connected with the traction rope, and the connecting rod of the rope clip is connected with the connecting plate;

the transportation of the tunnel comprises the following steps: and the connecting plate is connected with the prefabricated duct piece.

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