JP2000002100A - Carrying-in and carry-out device for carrier truck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To conduct the carry-in of a material loading carrier truck from the shaft side into a tunnel and the carry-out of the emptied carrier truck smoothly and efficiently. SOLUTION: A lifting-lowering base 41 lifted and lowered between a ground and a shaft bottom section is installed to a shaft A while a cradle 10, in which a track section 1B is laid on a top face, is loaded on the lifting-lowering base 41, and the carrier trucks 2 can be delivered and received between a track laid on the ground side and the track section 1B on the cradle 10 while a horizontal movable carriage 32 is mounted on the shaft bottom section and the cradle 10 can be delivered and received between the horizontal movable carriage 32 and the lifting-lowering base 41. The carry-in and carry-out device for the carrier trucks 2 is constituted so that the carrier trucks 2 are delivered and received between the cradle 10 on the horizontal movable carriage 32 and a track terminal laid up to a material assembly field in a tunnel when the cradle 10 is shifted from the lifting-lowering base 41 to the horizontal movable carriage 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method of transporting a material carrier such as a segment onto a starting end of a track laid in a tunnel from a ground side through a shaft during construction of a tunnel,
The present invention relates to a loading / unloading device for a transporting trolley for transporting an empty transporting trolley to the ground through a shaft after loading of materials.

[0002]

2. Description of the Related Art Conventionally, in order to carry materials such as segments stored on the ground through a shaft to a tunnel construction site, an elevator is provided in the shaft, and a material loading carrier is mounted on the elevator on the ground side. After loading, the shaft is lowered and the material loading and transporting vehicle is transferred to the horizontal swivel arranged at the bottom of the shaft, and the starting point of the track laid from the bottom of the shaft to the construction site in the tunnel in the shaft After moving the horizontal swivel base to the extension of the part, the material loading and transporting vehicle is moved from the horizontal swivel base to the starting end of the track.

[0003] Then, after transporting the material loading transport vehicle to the construction site in the tunnel by the towing vehicle, the empty transport vehicle is towed to the vertical shaft side, and the transport vehicle is moved to the horizontal swivel and turned. After transporting the carrier onto the lift table by rotating the swivel table on the platform, the lift platform is raised and carried out to the ground.

[0004]

SUMMARY OF THE INVENTION
According to the unloading device, on the ground side, to transport the material loading transport truck from the track to the lift platform, the transport truck must first be stopped and then transferred to the lift platform. It takes a lot of trouble. For such a work, the track section should be laid integrally on the elevator and the material loading and transporting truck should be carried in on this track, but then the elevator is lowered to the bottom of the shaft. In order to transfer the transport vehicle from the elevating platform to the horizontal revolving platform, it is necessary to manually push the transport vehicle and carry the carrier onto the horizontal revolving platform, which requires labor and labor, and reduces work efficiency. The problem arises.

[0005] Furthermore, the above-mentioned problem is caused by carrying the material to the construction site in the tunnel, and then transporting the empty carrier to a horizontal turntable, and transferring the transport cart from the horizontal turntable to an elevator. This will also occur when making it.

The present invention has been made in view of such a problem, and an object of the present invention is to carry in a carriage between a track on the ground side and a track laid in a tunnel.
Transport that enables efficient and reliable unloading operations without requiring human intervention, and that enables smooth loading and unloading of transport vehicles without being influenced by the direction of laying the track on the ground side and the direction of tunnel excavation. An object of the present invention is to provide a carriage loading / unloading device.

[0007]

According to a first aspect of the present invention, there is provided an apparatus for loading and unloading a transport vehicle according to the present invention, wherein a vertical guide rail is fixed to a vertical shaft between the ground and the bottom of the vertical shaft. An elevator is arranged on this vertical guide rail so as to be able to move up and down, and a receiver provided with a track portion for receiving the transport carriage on the upper surface is detachably mounted on the elevator and the track portion on the receiver is provided. While the transport trolley can be loaded and unloaded between the rail and the track laid on the ground, while reciprocating between the lower end of the vertical guide rail at the bottom of the shaft and the beginning of the track laid in the tunnel in the shaft. A movable horizontal moving table is arranged, and the receiving table is exchanged between the horizontal moving table and the elevating table. The moving table is mounted on the horizontal moving table and the starting end of the track in the shaft. Carrying in and out of the transport trolley between the track on the cradle It is configured so as to.

[0008] In the loading and unloading device for the transporting cart,
The invention according to claim 2 is a structure of an elevating table, wherein a pair of left and right horizontal support arms are projected from both sides of a vertical frame part which moves up and down along the vertical guide rails. The horizontal moving table can be freely moved in and out between the sections so that the receiving table can be transferred between the horizontal supporting arm and the horizontal moving table.

[0009]

[Action] When the elevator is raised to the upper end of the shaft, the track portion on the receiving platform mounted on the elevator matches the end of the track laid on the ground, and the carrier truck loaded with the material. Travels on the track and is continuously transferred to the track on the cradle. Then, the elevator descends to the bottom of the shaft. At the bottom of the shaft, a horizontal moving table is waiting directly below the elevator, and when the elevator descends from the horizontal moving table to below, the lower surface of the receiving table placed on the elevator is moved to the horizontal moving table. The cradle is received above and the cradle is transferred to the horizontal moving platform.

In this manner, the transfer of the carrier mounting cradle from the lifting platform to the horizontal moving platform is performed by erection of the platform between the left and right horizontal support arms of the lifting platform. If the pedestal receiving portion of the horizontal moving table is inserted between the left and right horizontal support arms when the lift is lowered, the left and right horizontal support arms of the lift can be moved horizontally. By simply lowering the receiving table slightly downward, the receiving table can be transferred onto the horizontal moving table in the same posture without any movement.

[0011] The transfer trolley mounted on the horizontal carriage is transported by the movement of the horizontal carriage from the side of the elevating platform to the end of the track laid on the bottom of the shaft, and the end of the track and the support are used. After the upper track material is joined and the material loading and transporting cart on the cradle is sent into the track, the horizontal moving platform is returned to the waiting platform, and the empty cradle is used as the platform. After moving the elevator up to the ground and re-transferring the new material loading and transporting cart onto the pedestal on the ground, and moving the cradle from the elevating platform to the horizontal movable platform in the same manner as above, Then, it is carried from the horizontal moving platform to the track laid at the bottom of the shaft.

As described above, the material-laden transport vehicles are sequentially loaded from the ground side through the shaft into the track on the tunnel side, and then these transport vehicles are connected to each other and transported to the construction site in the tunnel by the towing vehicle. Then, the material is lowered, and the empty carrier is towed by the towing vehicle to the starting end of the track.

[0013] At the end of the track, the horizontal moving table is on standby with the receiving table mounted thereon, and after transferring one carrier to the track section on the receiving table, the horizontal moving table is moved up and down by the elevating table. Then, the carrier is transferred to the side and the carrier on the carrier is transferred to the elevator, and the elevator is raised to the ground, and the empty carrier is carried out on a track laid on the ground. Thereafter, while the cradle was placed, the elevating platform was lowered onto the horizontal moving platform, and the receiving platform was transferred to the horizontal moving platform, and the horizontal moving platform was moved to the end of the track laid on the bottom of the shaft, In the same manner as described above, an empty transport vehicle is sent from the track end to the receiving platform on the horizontal movable platform, and is carried out from the horizontal movable platform to the ground via the elevating platform. Are sequentially carried out to the ground.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the drawings, a specific embodiment of the present invention will be described. In FIGS. 1 to 3, the starting end of a tunnel T under construction is opened at the bottom front wall side of a shaft A. A track 1 is laid on the bottom surface of the tunnel T up to the lining site of the tunnel T, and a transport trolley 2 loaded with materials such as segments S runs on the track 1. A horizontal moving mechanism 3 that reciprocates in a horizontal direction is disposed on the bottom rear wall side of the shaft A, and the starting end of the track 1 is laid on a gantry 11 fixed on the bottom of the shaft A, and the starting end is horizontally moved. It faces the position near the moving mechanism 3 and faces the transfer unit on / off the horizontal moving mechanism 3.

Further, an elevator 4 for loading and unloading the carriage 2 from the ground to the horizontal moving mechanism 3 through the shaft A is provided, and the starting point of the track 1 vertically below the track 1 is provided. A short track 5 having a length corresponding to a length obtained by connecting a plurality of transport vehicles in series is laid in parallel with the track 1 in a length portion from the inside to the beginning end of the tunnel T. A dolly (self-propelled towing vehicle) 6 is provided on the upper side so as to be able to travel, and the carriage 2 on the track 1 is moved by the dolly 6. The track 1 and the short track 5 are laid and supported on the gantry 11 fixed on the bottom surface of the tunnel T, and the vertical distance between the track 1 and the short track 5 is It is slightly larger than the height of the dolly 6.

Further, on the side of the bottom front wall of the shaft A, a standby portion 8 of a towing vehicle 7 is provided orthogonal to the starting end of the track 1 and the short track 5. As shown in FIGS. 4 and 5, a short transverse track 9 whose length direction is orthogonal to the track 1 and the short track 5 is laid on the stand 11 below the short track 5 in the standby section 8. A traverse truck 12 is disposed on the short transverse track 9 so as to be able to reciprocate. The track 1 and the short track 5 are cut off and cut off at a portion corresponding to the length of the waiting portion 8 in the waiting portion 8 where the traverse truck 12 crosses, and a fixed frame 13 is erected on the traverse truck 12. Then, on one side of this fixed underframe 13, the divided track portion 1A of the track 1 and the divided track portion 5A of the short track 5 are laid in a state of being vertically arranged side by side, and these separated track portions 1A and 5A are The trajectory 1 and the short trajectory 5 are configured to be continuous with the trajectory 1 and the short trajectory 5 interposed at the cutout portion.

Further, on the other side of the underframe 13 of the traverse carriage 12, in parallel with the side of the divided track section 1 A of the track 1, the divided track section 1 A is located at the same height position as the divided track section 1 A. A track portion 14 of the same length is laid, and the towing vehicle 7 is mounted on the track portion 14. The traverse truck 12 may be configured to run on its own by rotating its wheels by motor driving, but in the figure, a jack 15
And one end of the jack 15 is fixed to one end of the standby portion 8, and the other end is connected to the traverse carriage 12, and the jack 15 operates to traverse the inside of the standby portion 8 in the direction crossing the groove. It is configured to reciprocate on the short orbit 9. The towing vehicle 7 and the dolly 6 are provided with rotary drive mechanisms and hydraulic units for the respective wheels at appropriate locations, and are configured to run on a track by an external electrical command.

As shown in FIGS. 6 to 8, the lifting equipment 4 arranged along the rear wall of the shaft A has a pair of left and right front parts on both sides of a vertical frame part 41a having a front gate shape. The elevator includes a lifting platform 41 formed by integrally projecting horizontal support arms 41b, 41b. Further, a winch 43 is installed on a frame 42 installed on the ground above the shaft A, and the winch 43 is wound around the winch 43. The mounted wire 44 is connected to the elevator 41 via a plurality of sheaves 45, and the winch 43 is operated to raise and lower the elevator 41 between the ground and the horizontal turning mechanism 3 disposed at the bottom of the shaft. It is configured to be.

Vertical guide rails 46, 46 are fixed to the inner wall surface of the shaft A from the frame structure 42 to the lower part of the horizontal moving mechanism 3, and the vertical guide rails 46, 46 are attached to both sides of the elevator 41. The trochanter 47 pivotally supported on the upper and lower portions of the rear surface is rotatably engaged. The horizontal support arm 41 of the lift table 41
A transfer trolley 10 having a horizontally-planar rectangular shape is mounted and supported so as to be able to be taken out from the horizontal support arms 41b, 41b between the b and 41b.
A track portion 1B of the carrier 2 is laid on the upper side in the length direction.
On the ground, the carrier 2 loaded with materials by joining the ends thereof to the track 1B of the receiving table 10 in a state of abutting is transferred onto the track 1B, and the empty carrier 2 is moved to the track 1B. A track 1C for running from 1B to the material supply unit is laid.

Further, as shown in FIG. 7, the frame 42 is provided with hooks 17, 17 which are engaged with and disengaged from projections 48 protruding from the upper ends of both sides of the elevator 41. The above-mentioned carrier pedestal 10 which rises inside A and is placed on the elevator 41
When the upper track portion 1B reaches a height position that is continuous with the ground track 1C, it is held at that height position.

As shown in FIGS. 2 and 3, the horizontal moving mechanism 3 disposed at the bottom of the shaft A is mounted on a fixed base frame 31 installed at the bottom of the shaft, and a carrier carrier 10 on the elevator 41 as shown in FIG. A horizontal moving table 32 capable of receiving the horizontal moving table 32 is provided, and the rear end of the horizontal moving table 32 is pivotally connected to a fixed base frame 31 so as to be pivotable in the horizontal direction. By laying a fixed guide rail 34 curved in an arc shape around the center 33 and rolling the wheels 35 supported on the bottom surface of the horizontal moving table 32 on the fixed guide rail 34, the moving table 32 is moved to the tunnel T side. Orbit 1 above
And the lower end of the vertical guide rail 46 is reciprocally swiveled.

The portion of the movable platform 32 for receiving the carrier platform 10 on the lift platform 41 is one step higher. The height of the movable platform 32 is such that the carrier platform 10 is transferred onto the movable platform 32. The track 1B on the carriage 10 and the track 1 are formed at the same horizontal level when the moving platform 32 is moved.
When it is located on the side, the end of the track portion 1B on the carriage 10 is abutted against the starting end of the track 1. The moving table 32 can be turned by operating a jack 36 that connects the fixed base frame 31 and an appropriate position of the moving table 32, but without turning.
It may be configured to be horizontally movable in the front, rear, left and right directions.

On the other hand, each of the transport vehicles 2 is provided with a connecting mechanism 20 for connecting the transport vehicles to each other. As shown in FIGS. 9 and 10, the connecting mechanism 20 includes first and second vertical rods 21, which are arranged side by side at small intervals in the front and center of the front end of the front end of the carrier 2 and move up and down integrally. 22 and a locking hole 23 provided at the center of the rear end of the transport vehicle 2.

The first vertical rod 21 and the second vertical rod 22
The specific arrangement structure is such that a projecting member 24 is protruded from the center of the front end of the carrier 2 and the lower half of the vertical fixed cylinder 25 is integrally fixed to the projecting member 24 in an inserted state. The second vertical rod 22 is vertically slidably inserted into and supported by bearing pieces 26 and 27 fixed to the upper and lower ends of the vertical fixed cylinder 25, and the second vertical rod 22
And a coil spring 29 is press-fitted between the opposing surfaces of the spring receiver 28 and the upper bearing piece 26 so that the second vertical rod 22 is constantly held by the elastic force of the coil spring 29. Pressing downward, the spring receiver 28 is normally received on the lower bearing piece 27 and
The lower end of the vertical rod 22 projects downward from the bearing piece 27. The lower bearing piece 27 has its upper end fixed to the vertical fixed cylinder 25.
A portion protruding downward from the vertical fixed cylinder 25 is formed on an engagement projection 27 '.

Further, a bifurcated part in which the upper ends of the first vertical rod 21 and the second vertical rod 22 are integrally connected by a connecting member 16 and the tip of the projecting member 24 is vertically separated.
The first vertical rod 21 is inserted into the forked portions 24 ', 24' so as to be slidable up and down. On the other hand, the locking hole 23 is provided in a horizontal plate piece 18 protruding rearward at the center of the rear end of the carrier 2, and the horizontal plate piece 18 is provided with the forked portions 24 ′, 24 ′. It is provided at a height position that can be inserted between them. The locking hole 23 is the first
It is formed to have a diameter that allows the vertical rod 21 to be inserted.

The center of the front end of the towing vehicle 7 is also shown in FIG.
As shown in the figure, connecting means having the same structure as the connecting means comprising the first and second vertical rods 21 and 22 provided at the center of the front end of the carrier 2 is provided at the same height position, The first vertical rod 21 is configured to be removably connected to the locking hole 23 of the carrier 2. Since the specific structure of the connecting means is the same as that of the carrier 2,
The same portions are denoted by the same reference numerals and description thereof will be omitted.

On the other hand, at the rear center of the rear end of the dolly 6 traveling on the short track 5 laid below the track 1, the lower end of the second vertical rod 22 provided on the carrier 2 and the towing vehicle 7 is provided. An engaging means 60 is provided for engaging and disengaging. As shown in FIG. 10, the engaging means 60 is provided with a fixed vertical cylinder 61 integrally provided at the center of the rear end of the dolly 6, and allows the movable shaft body 62 to be inserted and supported in the fixed vertical cylinder 61 so as to be vertically movable. Fixed vertical cylinder 61
The lower end of the second vertical rod 22 of the connecting means is received at the upper end of the movable shaft 62 projecting from the upper end of the lower bearing piece 27.
A lock receiving member 63 having a concave cross section having an upwardly open fitting concave portion 64 capable of being detachably fitted to the main body is integrally fixed,
In addition, a jack 65 is attached to the rear peripheral surface of the fixed vertical cylinder 61,
The rod of the jack 65 protruding downward and the lower end of the movable shaft body 62 projecting downward from the fixed vertical cylinder 61 are integrally connected via a connecting piece 66, and the movable shaft body 62 is operated by the operation of the jack 65. Is moved up and down.

The transport truck 2 loaded with the materials such as the segments S by the apparatus configured as described above is used to move
A system for carrying the empty trolley 2 into the tunnel T through the inside and carrying out the empty transport carriage 2 from the tunnel T to the ground through the shaft A will be described. As shown in FIG.
Materials such as the segments S are loaded on the transport trolley 2, and the transport trolley 2 travels on the track 1 </ b> C to the lifting equipment 4. As shown in FIG. 7, on the side of the lifting equipment 4, as shown in FIG.
41 is held at a fixed height position by hook bodies 17 and 17, and the end of the track portion 1B laid on the carrier cradle 10 is the track 1C.
It is connected to the end in a butt state. Accordingly, the transport vehicle 2 is continuously moved and transferred from the track 1C onto the track portion 1B of the receiving stand 10.

The orbit 1C on the ground is the orbit 1B on the cradle 10.
Is cut off, and the track portion 1B on the receiving table 10 is configured to be interposed in the cut portion. The material loading and transporting vehicle 2 is towed on the track 1C by the ground-side towing vehicle 7A. By stopping the towing vehicle 7A at a position passing through the track portion 1B on the cradle 10, the transport vehicle 2 is moved to the track portion of the cradle 10.
1B, and in that state, the towing vehicle 7A and the carrier 2
Is configured to be separated.

When the carrier 2 on which the materials are loaded is transferred onto the receiving platform 10, the support of the lifting platform 41 by the hook members 17, 17 is released, and the winch 43 is operated to move the lifting platform 41 to the vertical guide rail 46. , 46 to the bottom of shaft A.
Below the descent, a horizontal moving platform 32 is on standby,
From the state where 41 has reached the upper side of the movable base 32, the gate-shaped vertical frame portion 41a is arranged along the back side of the movable base 32, and the horizontal support arms 41b, 41b on both sides of the movable base 32 The transport cradle 10 that is further lowered along the both side surfaces and placed between the horizontal support arms 41b, 41b
With the track member 1B oriented in a direction perpendicular to the arc-shaped fixed guide rails 34, and transferred to the movable base 32.

The horizontal support arms 41b, 41b are oriented in the turning direction of the moving table 32, and therefore the moving table 32 is connected to the jack 36.
When the turntable 32 is turned toward the extension of the track 1 by the operation of the above, the moving table 32 is horizontally moved out of the space between the horizontal support arms 41b and 41b while the carrier table 10 is mounted, and is laid on the bottom surface of the shaft A. When the track 1 reaches the extension of the track 1, the track portion 1 B laid on the carrier platform 10 matches the starting end of the track 1 in abutting manner, as shown by a two-dot chain line in FIGS. 3 and 4. .

At the bottom of the shaft A, the dolly 6 travels on the short track 5 laid under the track 1 and moves from the tow truck standby section 8 to the starting end of the track 5 on the gantry 11 at the rear. The carriage 2 placed on the carrier carriage 10 on the carriage 32 is detected by a sensor (not shown), and the engagement means 60 provided at the rear end of the dolly 6 is movable. The connecting mechanism 20 for attaching the shaft body 62 to the front end portion of the carrier 2
When the jack 65 of the engaging means 60 moves automatically to the position corresponding to the position vertically below the second vertical rod 22, and automatically moves in conjunction with the detection by the sensor, as shown in FIG. The body 62 is moved upward so that the center of the bottom surface of the fitting recess 64 in the locking receiving member 63 at the upper end thereof is brought into contact with the lower end surface of the second vertical rod 22, and from this state, the movable shaft body 62 is moved upward. Then, the first vertical rod 21 is moved upward together with the second vertical rod 22 of the connecting mechanism 20 against the force of the coil spring 29, and the fitting recess 64 of the locking receiving member 63 allows the second vertical rod 22 to pass therethrough. It stops at a position where it engages with an engagement projection 27 'protrudingly provided on the lower bearing piece 27. In this state, the lower end of the first vertical rod 21 is located above the horizontal plate piece 18 having the locking hole 23 protruding from the rear end of the carrier 2.

When the fitting recess 64 of the locking receiving member 63 on the dolly 6 is fitted into the engagement projection 27 'on the carriage 2 and the dolly 6 and the carriage 2 are connected, the dolly 6 is automatically moved. After traveling on the short track 5 toward the tunnel T, the carrier 2 is pulled out from the track material 43 laid on the carrier receiving frame 42 to the starting end of the track 1, and then the dolly 6 is moved to the short track 5. , And transports the carriage 2 to a predetermined position in the starting point of the tunnel on the track 1.

When the material transporting trolley 2 is transported by the dolly 6 to a predetermined position in the beginning of the tunnel, the jack 65 of the engaging means 60 is operated when it reaches that position, and the connection with the dolly 6 is released. That is, the jack 65 operates and the movable shaft 62
Is moved downward, the upper end locking receiving member 63 of the movable shaft body 62 is detached from the engaging projection 27 'on the side of the carriage 2 and is received by the upper end locking receiving member 64 of the movable shaft body 62. In this state, the second vertical rod 22 on the material transporting trolley 2 moves downward integrally by the force of the coil spring 29, and the spring receiver 29 abuts on the lower bearing piece 27 to stop the downward movement of the second vertical rod 22. And
From this state, the movable shaft body 62 is further moved downward to disengage the fitting recess 64 of the upper end locking receiving member 63 from the lower end of the second vertical rod 22 downward.

The dolly 6, which has been disconnected from the material transporting trolley 2, travels on the short track 5 toward the shaft A, and moves from the towing vehicle standby section 8 to the rear of the track 5 on the gantry 11 at the rear. Reach the beginning.

On the other hand, as described above, the transport trolley 2 pulled out of the transport trolley 10 from the transport trolley 10 by the dolly 6 to the track 1 side and becomes empty and remains empty on the movable platform 32.ゝ The carriage 32 is moved by the jack 36 to the vertical guide rail 4
It turns to the side of 6, 46 and enters the space between the horizontal support arms 41b, 41b of the elevating platform 41 that has been on standby, thereby being positioned on these horizontal support arms 41b, 41b. Thereafter, when the elevator 41 is raised by operating the winch 43 and winding the wire 44, the elevator 41 is moved up and down with the carrier pedestal 10 supported between the support arms 41b and 41b of the elevator 41. It rises in the shaft A to the ground integrally with the platform 41.

Then, after the elevator 41 reaches the ground and stops, the next material loading and transporting vehicle 2 is received on the track 1C between the horizontal support arms 41b, 41b of the elevator 41 in the same manner as described above. Is transferred onto the track portion 1B of the cradle 10 that has been moved down, and again descends in the shaft A together with the elevator 41 and is transferred to the movable base 32, and is extended by the swiveling motion of the movable base 32. Transported to the side.

At the starting end of the track 1, the dolly 6, which has previously transported the carriage 2 to a predetermined position, is on standby, and in the same manner as described above, the movable shaft
62 is moved upward to move the upper end locking receiving member 63 of the second vertical rod 22 in the connecting mechanism 20 of the transporting vehicle 2 so that the fitting recess 64 of the locking receiving member 63 is engaged with the transporting vehicle 2 side. The dolly 6 is connected to the carriage 2 by being fitted to the projection 27 ', and the dolly 6 is self-propelled toward the end of the short track 5 in the tunnel T from this state, whereby the dolly 6 is connected. As described above, the truck 2 is moved to the track portion on the carrier cradle 10.
After pulling out on track 1 from 1B, dolly 6 on track 1
Is transported to the rear end of the transport vehicle 2 that has been transported earlier. Although the dolly 6 that has transported the transport vehicle 2 is first made to wait on the swivel 32 side, a time schedule may be set so that the swivel 32 is first made to wait at the connection position with respect to the dolly 6.

When the material-laden transport vehicle 2 transported from the shaft A to the beginning of the tunnel T by the dolly 6 reaches the rear end of the transport vehicle 2 previously transported, the transport vehicles 2 are connected to each other. Linked by mechanism 20. That is, as shown in FIG. 11, the rear end horizontal plate
18 to the fork part 24 ′, 2 of the front end protruding member 24 of the rear carrier 2.
Lock hole 23 drilled in horizontal plate piece 18 intervening between 4 '
With the lower end of the first vertical rod 21 facing above,
When the movable shaft 62 is moved downward by operating the jack 65 on the dolly 6 side, the upper end locking receiving member 63 of the movable shaft 62 is disengaged from the engaging projection 27 'on the side of the carrier 2 and then the second position. Vertical rod
In the state where the lower end of 21 is received by the upper end locking receiving member 64 of the movable shaft body 62, the lower end is moved down by the force of the coil spring 29, and the second vertical rod 22 and the connecting member 16 are integrally connected by the connecting member 16. 1 The vertical rod 21 moves down and is inserted into the locking hole 23,
As shown in FIG. 12, the front and rear transport carriages 2 and 2 are connected.
Further, as the movable shaft body 62 moves down, the connection with the second vertical rod 22 of the carriage 2 is released as described above.

Again, the dolly 6 travels on the short track 5 toward the movable platform 32 and is connected in the same manner as described above to the material loading and transporting vehicle 2 on the receiving frame 42 carried onto the movable platform 32 by the lifting mechanism 4 from the ground. Then, the material loading transport vehicle 2 is connected to the rear end of the transport vehicle 2 which has been transported earlier by the operation of the engaging means 60 and the connecting means 20.

Thus, the step of carrying the material loading and transporting vehicle 2 to the bottom of the shaft A from the ground side by the lifting mechanism 4, the step of transporting the loaded transporting vehicle 2 to the end of the track by the horizontal moving mechanism 3, 6, the carriage 2 is pulled out from the horizontal moving mechanism 3 and the tunnel T
, The step of connecting the front and rear transport vehicles 2, 2, and the step of horizontally moving the movable platform 32 of the horizontal moving mechanism 3 to the original position after the transport vehicle 2 is sent out to the track 1 side And a step of raising the elevating mechanism 4 to receive the next material loading and transporting vehicle 2 is repeatedly and automatically performed according to a predetermined time schedule, and a plurality of units are connected to a predetermined position of the track 1 in the starting end of the tunnel T. Construct a material loading and transporting vehicle train.

When this row of transport carts is constructed, the traverse carts 12 arranged in the standby section 8 orthogonal to the start ends of the track 1 and the short track 5 are operated to operate the other side fixed frame. 13. Send the towing vehicle 7 on the track 1 side. At this time, the divided trajectory portions 1A and 5A, which had previously made the cut portions of the track 1 and the short track 5 continuous on one side thereof by the operation of the traverse truck 12, move to the outside of the track 1 and the short track 5. While being put on standby, the track portion 14 on which the towing vehicle 7 is mounted is interposed in the cutout portion of the track 1. In this state, the towing vehicle 7 self-propelled on the track 1 toward the tunnel T.

When the towing vehicle 7 reaches the rearmost carriage 2 in the train, the dolly 6 waiting on the short track 5 therebelow moves the movable shaft 62 of the engagement means 60 to the jack 65.
And the second vertical rod 22 of the connecting mechanism 20 provided at the front end of the towing vehicle 7 at the fitting concave portion 64 of the locking receiving member 63 in the same manner as in the above-described mode of connection with the transport vehicle 2. The towing vehicle 7 is pushed by the dolly 6 in a state where the fitting recess 64 is fitted into the engaging protrusion 27 ′ of the lower bearing piece 27 through which the second vertical rod 22 is inserted, against the 29 force. The first vertical rod 21 integrated with the second vertical rod 22 is moved until it reaches above the locking hole 23 of the carrier 2, and then the movable shaft 62 is moved downward by the jack 65, whereby the first vertical rod 21 is moved. Is inserted into the locking hole 23 to connect the towing vehicle 7 to the rearmost carriage 2 and the fitting recess of the locking receiving member 63.
64 is disengaged from the lower end of the second vertical rod 22 to release the connection with the dolly 6.

The towing vehicle 7 and the transport vehicle 2 are connected by a pair of upper and lower connecting pieces projecting from the center of the front end of the towing vehicle 7 in addition to the connecting means as described above. A stopper hole is provided, and the carrier 2 is provided between the upper and lower connecting pieces.
The horizontal plate piece 18 piercing the locking hole 23 protruding from the center of the rear end is inserted, and the locking hole 23 and the locking hole on one side of the upper and lower connection are detachably attached by a pin. You may comprise so that it may be connected. According to such a connecting means, the rearmost transport vehicle 2 is transported in advance by the dolly 6 so as to be located on the track 1 near the front end of the standby unit 8, and the towing vehicle 7 is operated by the operation of the traverse vehicle 12. Can be connected between the locking holes of the upper and lower connecting pieces of the towing vehicle 7 and the locking holes 23 of the horizontal plate piece 18 when the towing vehicle 7 is sent out to the track 1, and the towing vehicle can be used without using the dolly 6. 7 can be connected to the last carrier 2. In addition, appropriate connecting means other than such connecting means may be adopted.

Next, the towing vehicle 7 is driven forward to transport the material loading and transporting vehicle train to the material construction site in the tunnel T.
After loading and unloading the materials from the train, the empty train is towed by the towing vehicle 7 to the shaft A side. When the towing vehicle 7 reaches the track section 14 on the standby section 8, the dolly 6 is moved to a position below or on standby, and the movable shaft 62 of the engagement means 60 is operated in the same manner as described above. After the connection between the first vertical rod 21 on the side of the towing vehicle 7 and the locking hole 23 on the side of the transportation vehicle is released, the towing vehicle 7 is separated from the row of transportation vehicles slightly moved forward, and 6 and the towing vehicle 7 is disengaged, and the dolly 6 is moved on the short track 5, the traverse vehicle 12 is operated, and the towing vehicle 7 is made to stand by from the track 1 to the waiting portion 8 on the outer side. The split track portions 1A and 5A provided are interposed in the cut portions of the track 1 and the short track 5.

In this state, the dolly 6 is moved to a position below the rearmost carriage 2, and the movable shaft
62, the fitting recess 64 of the lock receiving member 63 is
The second vertical rod 22 is moved upward until it engages with the engaging projection 27 'of the first vertical rod 22 to connect the dolly 6 and the carriage 2 and to move the first vertical rod 21 which operates integrally with the second vertical rod 22 on the front side. The dolly 6 is disengaged from the locking hole 23 of the carriage 2, and the dolly 6 is moved to the start end of the short track 5, and the carriage 2 is laid from the end of the track 1 on the carriage stand 10 on the movable carriage 32 waiting. After being transferred onto the track portion 1B, the connection between the dolly 6 and the transport vehicle 2 is released, and the dolly 6 is moved back to a position below the next transport vehicle 2.

The connection between the towing vehicle 7 and the transport vehicle 2 is released by connecting a pair of upper and lower connecting pieces at the center of the front end of the towing vehicle 7 as described above as connecting means, and connecting these upper and lower members. A locking hole portion is provided on one of the pieces, and the horizontal plate piece 18 having the locking hole 23 protruding from the center of the rear end of the carrier 2 is inserted between the upper and lower connecting pieces. In the case where the locking hole 23 and the locking hole on one side of the upper and lower connection are configured to be detachably connected by a pin, the towing vehicle 7 is moved to the track portion on the standby portion 8 without using the dolly 6. After traveling up to 14, the connection with the transport vehicle 2 is released, and the traverse vehicle 12 is operated to cause the towing vehicle 7 to wait in the standby section 8.

On the other hand, the transport vehicle receiving table 10 on which the transport vehicle 2 is mounted
Is moved to the vertical guide rail 46 by the operation of the horizontal moving mechanism 3, and the horizontal support arm 41
b and 41b, the lift 41 rises to reach the ground side, and the carrier 2 is carried out from the receiver 10 onto the track 1C. Then, the lift 41 becomes empty. While the table 10 is mounted, it descends to the horizontal moving mechanism 3 and the horizontal support arm 41
After being transferred from b and 41b to the moving table 32, the robot turns to the starting end of the track 1.

The dolly 6 transports only the next carrier 2 to the movable platform 32 again and transfers it to the carrier platform 10 again, and the horizontal moving mechanism 4 pivots on the elevator 41 in the same manner as described above. After the delivery of the receiving table 10, the lifting table 41 is lifted and carried out to the ground side. Hereinafter, in the same manner, all empty transport vehicles 2
Are sequentially sent out by the dolly 6 onto the receiving table 10 on the horizontal moving table 32, and are carried out from the horizontal moving table 32 to the ground side by the lifting equipment.

Then, again, the material transporting trolley 2 is successively loaded from the ground through the vertical shaft A by the elevating mechanism 4 onto the horizontal moving mechanism 3, and the material transporting trolley 2 is sequentially transported by the dolly 6 to the starting end of the tunnel T. Transporting and linking to the side, and transporting the linked transport vehicle 2 to the construction site of the tunnel tunnel T by the towing vehicle 7;
The empty transport vehicle 2 is towed by the towing vehicle 7 to the horizontal moving mechanism 3 side, and the towing vehicle 7 is made to stand by in the standby unit 8, and then the transport vehicle 2 is moved one by one by the dolly 6. The step of sending out to the side and the step of sequentially carrying out the transport vehicle 2 to the ground from the horizontal moving mechanism 3 via the elevating mechanism 4 are fully automatically performed according to a fixed time schedule.

[0051]

As described above, the loading of the transport vehicle of the present invention,
According to the carrying-out device, a vertical guide rail is fixed to the vertical shaft between the ground and the bottom of the vertical shaft, an elevator is arranged on the vertical guide rail so as to be able to move up and down, and the carrier is received on the upper surface of the elevator. The cradle equipped with the track part is detachably mounted so that the carriage can be loaded and unloaded between the track part on this cradle and the track laid on the ground. By aligning the track of the cradle placed on the table with the end of the track laid on the ground, the material loading and transporting truck is smoothly and automatically moved continuously from the track onto the track of the cradle. Can be transferred to

Further, a horizontal moving table which reciprocates between the lower end side of the vertical guide rail and the starting end of the track laid in the tunnel from the lower end of the vertical guide rail is provided at the bottom of the vertical shaft. By holding the horizontal slide directly below, and lowering the slide to the bottom of the shaft,
The carrier cradle mounted on the lift table can be transferred to the moving table as it is, and the starting point of the track in the shaft and the horizontal moving table mounted on the horizontal moving table Since the carriage is carried in and out of the track on the receiving table, the horizontal moving table is moved to the starting end of the track to move the receiving table on the horizontal moving table. With the track portion abutting against the starting end of the track, the material loading and transporting truck on the receiving table can be immediately loaded onto the track from the receiving table.

Then, while only the receiving table is placed on the horizontal moving table, the horizontal moving table is moved to the lifting table, and the receiving table on the horizontal moving table is transferred to the lifting table. And the material loading and transporting truck can be placed on the track of the receiving stand again on the ground as described above.

After being transported to the material construction site in the tunnel, the transport trolley, which has been emptied by unloading the material, is transported to the shaft, where the transport trolley stands on the extension of the track end on the horizontal movable platform. After being continuously sent out onto the track portion of the cradle placed on the cradle, the cradle is transferred together with the cradle to the elevating platform so that it can be efficiently carried out onto the orbit on the ground. As described above, since the receiving table having the track section laid on the upper surface is transferred between the ground side and the horizontal moving table on the bottom side of the shaft through the elevating table that moves up and down the shaft, The carrier truck can be loaded and unloaded while being mounted on the track of the receiving table without being manually moved, and the loading and unloading of the carrier truck can be performed efficiently based on a fixed time schedule.

Further, since the moving direction and the moving range of the horizontal moving table provided at the bottom of the shaft can be freely set, even if the laying direction of the track on the ground side is restricted, the building direction of the tunnel is desired. The carriage can be loaded and unloaded to and from the track laid in the tunnel in the direction.

[Brief description of the drawings]

FIG. 1 is a simplified perspective view of an entire apparatus for loading and unloading a transport trolley,

FIG. 2 is a simplified side view thereof,

FIG. 3 is a simplified plan view thereof,

FIG. 4 is a side view of a transfer trolley transfer unit between the receiving table and the track;

FIG. 5 is a simplified plan view thereof,

FIG. 6 is a simplified side view of a lifting mechanism,

FIG. 7 is a simplified front view thereof,

FIG. 8 is a simplified plan view thereof,

FIG. 9 is a side view showing the connection between the transport vehicles,

FIG. 10 is a longitudinal sectional side view before connecting the dolly and the transport vehicle;

FIG. 11 is a longitudinal sectional side view showing a state in which the transport vehicles are connected to each other;

FIG. 12 is a longitudinal sectional side view showing a state in which the connection between the dolly and the transport vehicle is released.

[Explanation of symbols]

 A Vertical shaft T Tunnel 1, 1C Track 1B, Track section 2 Carriage 3 Horizontal moving mechanism 4 Lifting mechanism 10 Carriage cradle 32 Horizontal moving table 41 Lifting table 41b Horizontal support arm

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiromi Sato 2-2-2 Matsuzaki-cho, Abeno-ku, Osaka-shi Inside Okumura Gumi Co., Ltd. (72) Shinpei Matsuda 2-2-2, Matsuzaki-cho, Abeno-ku, Osaka-shi 2D055 BA01 GA05 GA06 GA08

Claims (2)

[Claims] 1. A vertical guide rail is fixedly mounted on a vertical shaft between the ground and the bottom of the vertical shaft, and an elevator is disposed on the vertical guide rail so as to be able to move up and down. A receiving stand provided with a part is detachably mounted to allow loading and unloading of a transport vehicle between a track part on the receiving stand and a track laid on the ground, while the vertical guide is provided at the bottom of a shaft. A horizontal moving table that reciprocates between the lower end of the rail and the starting end of the shaft laid in the tunnel is arranged, and the receiving table is exchanged between the horizontal moving table and the lifting table. And carrying in and out of the carriage between the starting end of the track in the shaft and the track on the receiving table mounted on the horizontal moving table. Carriage loading and unloading device. 2. A lift table comprising a pair of left and right horizontal support arms projecting from both sides of a vertical frame section which moves up and down along a vertical guide rail, and the horizontal movement table is provided between these horizontal support arms. The loading / unloading device for a transporting vehicle according to claim 1, wherein the receiving and receiving device is configured to be able to enter and leave freely so that a receiving table can be transferred between the horizontal support arm and the horizontal moving platform.