JP3831980B2 - Automatic changer for light in tunnel - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic lamp changer that is disposed in a limited space between a building limit line provided in a tunnel and a tunnel wall surface, and automatically changes a lamp installed on the tunnel wall surface. It is about.
[0002]
[Prior art]
A large number of lamps such as sodium lamps are installed at predetermined intervals on the wall surface in the tunnel in order to ensure a certain illuminance. This lamp is replaced with a new one when used for a certain period of time, and a device for this replacement has been developed. This device connects and pulls a plurality of exchange cars with the leading power car, removes the old lamp from the tunnel wall surface with the previous exchange car, and installs the new lamp on the part by the subsequent exchange car, The lamp is replaced automatically.
[0003]
On the other hand, in the tunnel, as shown in FIG. 6, a construction limit line L is provided in order to ensure the safety of traveling, and various facilities and equipment necessary for maintenance and inspection thereof are provided in this building. It is obliged to install in the limited space S between the limit line L and the tunnel wall surface W. For this reason, even in the above-described lamp exchanging device configured to connect and pull a plurality of exchange vehicles by the leading power vehicle, when there is the above-mentioned construction limit line L, all the devices are installed in the limited space portion S. It is necessary to arrange.
[0004]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION An object of the present invention is to provide an automatic lamp changing apparatus configured to connect and pull a plurality of exchange cars to a power vehicle, and to arrange the apparatus in the limited space described above so that lamps can be exchanged without any problem. It is said.
[0005]
[Means for Solving the Problems]
The present invention for solving this problem is an apparatus for automatically replacing a lamp installed on a tunnel wall surface, which is disposed in a limited space between a building limit line provided in the tunnel and the tunnel wall surface. A leading power vehicle which is guided by the guide rail and travels along the tunnel wall surface, and a plurality of exchange vehicles which are also guided by the guide rail and connected to and pulled by the power vehicle, A lamp replacement unit is built in the frame of the exchange car, and a drive mechanism is built in the frame of the power car. Each frame of the exchange car and the power car has a substantially right triangle shape in side view. And the lamp replacement unit is arranged in parallel with the wall surface at the end of the frame on the side of the tunnel wall surface. The unit main body is rotatably supported on the pivoted shaft, and the lamp gripper is mounted on the unit main body so as to be able to enter and exit in the vertical direction. The feature is that the lamp installed in the tunnel is automatically exchanged when the lamp gripping tool enters and exits.
[0006]
To replace the lamp, turn the unit body outward with respect to the frame, then project two sets of lamp grips against the unit body and attach the lamp to the bracket on the tunnel wall. Two sets of gripping pins that are separated from each other are arranged on both sides of the lamp, and then the two sets of gripping pins are brought close to each other to grip both sides of the lamp. Subsequently, after the lamp gripper is retracted with respect to the unit main body, the old lamp is removed from the tunnel wall surface by rotating the unit main body toward the frame. Then, when the above-described operations are performed in the reverse order and a new lamp gripped by the lamp gripper is attached to the bracket on the tunnel wall surface, the lamp is replaced. Each frame of the power vehicle and the exchange vehicle has a substantially right triangle shape in a side view and is contained in the limited space, and the trajectory of the rotation of the unit body relative to the frame, and the unit body The trajectory of the lamp gripper and the combined trajectory obtained by synthesizing these trajectories are all contained in the limited space portion. Therefore, the old and new lamps can be exchanged in the limited space portion without any trouble.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to examples. 1 is a plan view of a state in which two exchange cars B are connected to a power vehicle A, FIG. 2 is also a rear view, FIG. 3 is an enlarged plan view of the exchange car B, and FIG. FIG. 5 is a front view of an exchange vehicle B showing a lamp replacement unit U, FIG. 5 is a schematic plan view, FIG. 6 is a side view, and FIG. 7 is a main guide rail G ₁ . FIG. 8 is a side view showing a state in which the guide roller R ₁ is attached, and FIG. A large number of lamps H are attached to the wall surface W in the tunnel at predetermined intervals, and a device for automatically exchanging the lamps H is connected to the leading motor vehicle A and towed. As shown in FIG. 6, the power vehicle A and the exchange vehicle B are both inverted T-shaped and arranged close to the wall surface of the tunnel. It is adapted to travel while being guided by the auxiliary guide rail G ₂ of the main guide rail G ₁ and L-shaped.
[0008]
As shown in FIG. 1 and FIG. 2, the leading power vehicle A and the plurality of exchange vehicles B pulled by the power vehicle A are connected to each other via a connecting tool 1 provided for each vehicle A. , B are respectively provided with main guide rollers R ₁ . As shown in FIG. 7, the main guide roller R ₁ includes a first roller 3 that travels while being directed to both side end surfaces of the horizontal guide plate 2 of the inverted T-shaped main guide rail G ₁ , and the horizontal guide. The second roller 4 is directed to the upper surface of the plate 2. The first roller 3 is driven and rotated around the vertical axis, and two pairs of left and right are paired along the front-rear direction, and the second roller 4 is driven and rotated around the horizontal axis. Thus, a pair of the upright plates 5 are provided. Each of the first and second rollers 3 and 4 constituting the main guide roller R ₁ is supported by a support plate 6, and this support plate 6 is attached to the frame F of the power vehicle A and the exchange vehicle B. On the other hand, it is supported so as to be rotatable about a vertical axis. Further, the front power vehicle A is provided with a pair of drive rollers R _{3 on the} front and rear sides thereof. The pair of drive rollers R ₃ are driven to rotate about the vertical axis and are directed to both side surfaces of the upright plate 5 of the main guide rail G ₁ .
[0009]
Further, as shown in FIG. 7, the support plate 6 of each guide roller R ₁ mounted on the front and rear of the power vehicle A and the exchange vehicle B has an arm 7 on its side and obliquely upward. Is attached, and a pair of auxiliary guide rollers R ₂ supported one above the other on the upper end of the arm 7 sandwich the horizontal guide plate 8 of the L-shaped auxiliary guide rail G ₂ from above and below. As described above, the power vehicle A and the exchange vehicle B are configured to travel while being guided by the _two guide rails G ₁ and G ₂ via the main guide roller R ₁ and the auxiliary guide roller R ₂ .
[0010]
A mechanism for driving the pair of drive rollers R ₃ is provided inside the power vehicle A, and a lamp replacement unit U is provided inside the exchange vehicle B. Both of the frames F of the power vehicle A and the exchange vehicle B have a substantially right triangle shape when viewed from the side, and two surfaces intersecting at right angles are arranged substantially vertically and substantially horizontally, respectively, and the slope portion thereof is It is arranged to face the road in the tunnel from diagonally above. The reason why the shape of the frame F and the arrangement thereof are set in this way is as follows. That is, in order to ensure the safety of traveling in the tunnel, a construction limit line L as shown by a broken line in FIG. 6 is provided, and various equipment in the tunnel and equipment necessary for its maintenance are provided. This is because it is obliged to arrange in the limited space portion S between the building limit line L and the wall surface W.
[0011]
Next, the lamp replacement unit U will be described. A rotating shaft 9 is supported in parallel with the tunnel wall surface W at the upper end portion of the frame F of the exchange B on the side of the tunnel wall surface W. The rotating shaft 9 is driven by the gear 11 by the power of the first drive motor M _1. , 12 and the chain 13 are transmitted and rotated. A unit main body C is integrally attached to the rotating shaft 9. Linear guides 15 are provided along the up and down directions on opposite inner surfaces of a pair of side plates 14 that are integrally attached to both ends of the rotating shaft 9, and guides at both ends of the lifting body 16 are provided on the pair of linear guides 15. The body 17 is fitted, and the elevating body 16 is attached to the pair of side plates 14 so as to be movable up and down. The unit main body C has a configuration in which a pair of side plates 14 are integrally connected by a connecting plate 18 described later.
[0012]
As shown in FIGS. 4 to 6, the upper ends of the pair of side plates 14 are integrally connected by a connecting plate 18, and a mounting plate 20 is horizontally placed at the center in the longitudinal direction of the connecting plate 18. A second drive motor M ₂ is mounted in a standing posture on the rear portion of the mounting plate 20 and a ball screw 19 is vertically disposed in front of the driving motor M _2. A bearing 21 attached to 20 is rotatably supported. The ball screw 19, with screwed to the ball nut 22 mounted on the lifting body 16, a gear 23 mounted on the upper end of the ball screw 19, not the second drive motor M ₂ drive shaft (not ) And the gear 24 attached to the gear. For this reason, the ball screw 19 is rotated by the rotation of the drive shaft of the second drive motor M ₂ , and the elevating body 16 is raised and lowered with respect to the pair of side plates 14.
[0013]
As shown in FIGS. 4 and 5, two sets of grip pins 25, which are a pair of two, are opposed to each other on both sides of the ball screw 19 in the elevating body 16. Arranged. That is, a set of two holding pins 25 is attached to a separate pin mounting plate 26, and each pin mounting plate 26 is laterally mounted on two guide bars 27 provided up and down on the lifting body 16. It is slidably supported. In addition, a ball nut 28 attached to the base end portion of the pin attachment plate 26 and a ball screw 29 arranged in parallel with the two guide bars 27 are screwed together to provide separate third drives. The rotation of the motor M ₃ is transmitted to each ball screw 29 via gears 31 and 32 meshing with each other, and each ball screw 29 rotates to form a set of two attached to each pin mounting plate 26. Further, the two sets of grip pins 25 are configured to approach and separate from each other. The lamp gripping tool D of the present embodiment has a configuration in which two sets of gripping pins 25 that are a set of two are mounted on the elevating body 16 so as to approach and separate from each other. It should be noted that two sets of fixed cylinders 33, which are a set of two, are attached to both ends in the longitudinal direction on the upper surface of the frame F of the exchange car B, and the rods 33a of the fixed cylinders 33 are replaced when the lamp is replaced. There projects, by sandwiching both sides of the standing plate 5 of the main guide rail G _1, are to be fixed to the frame F with respect to the guide rails G _1.
[0014]
Further, as shown in FIG. 8, mounting plates 34 are fixed to both side surfaces of the lamp H installed on the tunnel wall surface W, and a pair of two mounting plates 34 is provided on the end surface of each mounting plate 34. A pair of first pin holes 35 a into which the grip pins 25 are inserted are provided, and a fixing pin 37 provided on the bracket 36 of the installation part of the lamp H is inserted in the center of each mounting plate 34. A second pin hole 35b is formed therethrough.
[0015]
Next, after the used lamp is removed from the bracket 36 which is the lamp installation portion of the tunnel wall surface W by the leading exchange car B, a new lamp H is attached to the bracket 36 by the subsequent exchange car B. The installation is performed as follows. When to exchange the old and new lamp H is allowed to protrude the rod 33a of the fixed cylinder 33 mounted on the upper surface of the frame F of the replacement vehicle B, flanking the standing plate 5 of the main guide rail G ₁ by performed by fixing the frame F with respect to the guide rails G _1. In the state shown in FIG. 9, the unit main body C is positioned at the inner rotation end, and the lamp gripper D is positioned at the rising end with respect to the unit main body C. Two sets of gripping pins 25 constituting one set are respectively inserted into first pin holes 35a provided in the respective mounting plates 34 on both side surfaces of the lamp H, and are shown by two-dot chain lines in FIG. As shown, the lamp H is gripped by the lamp gripper D.
[0016]
In the above state, as shown in FIG. 10, the first drive motor M ₁ is activated to turn the unit main body C outward (side approaching the tunnel wall surface W) around the rotation shaft 9. 11 and 12, the second drive motor M ₂ is activated, and the lamp gripping tool D with respect to the unit main body C located at the outer rotation end, as shown in FIGS. Is lowered, the respective fixing pins 37 fixed to the bracket 36 are inserted into the respective second pin holes 35b provided in the respective mounting plates 34 of the lamp H that are held by the two sets of holding pins 25. The Thereby, the new lamp H is attached to the bracket 36 attached to the wall surface W of the tunnel, and the old and new lamps H are automatically replaced.
[0017]
Subsequently, by starting the pair of third drive motors M ₃ , the two sets of gripping pins 25, which are a set of two, are separated from each other, and as shown by the solid line in FIG. When the grip pin 25 is detached from the first pin hole 35a of the plate 34 and then the lamp gripper D and the unit main body C are moved in the opposite direction, the lamp gripper D and the unit main body C are Both return to the original position. In the replacement of the lamps, the removal of the used lamps performed prior to the installation of the new lamps is performed by the same movement as when the lamp gripper D and the unit main body C are returned.
[0018]
In this way, even if the unit main body C rotates with respect to the frame F or the lamp gripper D enters and exits with respect to the unit main body C, the combined trajectory remains in the limited space portion S. Is in the range. Accordingly, the shape of each frame F of the power vehicle A and the exchange vehicle B is substantially a right triangle in a side view and is contained in the limited space portion S, and the unit main body C and the lamp gripper D described above. Since the combined trajectory is also contained in the limited space portion S, the old and new lamps H can be replaced without any trouble in the limited space portion S.
[0019]
【The invention's effect】
As described above, in the automatic changing device for a lamp in a tunnel according to the present invention, both the power vehicle and each frame of the exchange vehicle have a substantially right triangle shape in a side view and are contained in a limited space portion, Since the trajectory of the rotation of the unit main body with respect to the frame, the trajectory of the lamp gripper with respect to the unit main body, and the combined trajectory obtained by combining these trajectories are all contained in the limited space portion, this limited space is used. It is possible to replace old and new lamps without problems.
[Brief description of the drawings]
FIG. 1 is a plan view of a state in which two exchange vehicles B are connected to a power vehicle A. FIG.
FIG. 2 is a rear view of the same.
3 is an enlarged plan view of an exchange vehicle B. FIG.
4 is a front view of an exchange vehicle B showing a lamp replacement unit U. FIG.
FIG. 5 is a schematic plan view of the same.
FIG. 6 is a side view of the same.
FIG. 7 is a side view showing a state in which a main guide roller R ₁ is attached to the main guide rail G ₁ .
FIG. 8 is a schematic perspective view of a lamp H.
9 is an operation explanatory view showing a side surface in a state where both the unit main body C and the lamp gripper D are housed in a frame F. FIG.
FIG. 10 is an operation explanatory view showing a side surface in a state where the unit main body C is rotated to the outer rotation end.
FIG. 11 is an operation explanatory view showing a side surface in a state where the unit main body C is rotated to the outer rotation end, and the lamp gripping tool D protrudes the most from the unit main body C and the lamp H is installed. It is.
12 is a front view showing a state in which a lamp H is installed on a bracket 36 attached to a tunnel wall surface W. FIG.
[Explanation of symbols]
A: the motor vehicle B: exchange Car C: Unit body D: lamp grippers F: Frame G _1: main guide rail G _2: auxiliary guide rail H: lamp L: Architectural limit line S: limited space U: lamp exchange unit W: Tunnel wall surface 9: Rotating shaft 25: Holding pin

Claims (4)

An apparatus for automatically exchanging lamps installed on a tunnel wall surface, disposed in a limited space between a building limit line provided in the tunnel and the tunnel wall surface,
A frame of the exchange vehicle comprising a leading power vehicle that is guided by the guide rail and travels along the tunnel wall surface, and a plurality of exchange vehicles that are also guided by the guide rail and connected and pulled by the power vehicle. Inside the lamp replacement unit, a drive mechanism is built in the frame of the power vehicle,
Each frame of the exchange vehicle and the power vehicle has a substantially right triangle shape in a side view, and is arranged such that a slope portion thereof faces obliquely from above a road in the tunnel, and the lamp replacement The unit body is rotatably supported on a rotation shaft provided in parallel to the wall surface at the end of the frame on the side of the tunnel wall surface, and the lamp gripping tool is vertically supported on the unit body. It is a configuration that is mounted so that it can enter and exit
A device for automatically exchanging lamps in a tunnel, wherein the lamps installed in the tunnel are automatically exchanged by the rotation of the unit main body and the entrance / exit of the lamp gripper. The automatic changer for a lamp in a tunnel according to claim 1, wherein the upper surface of the frame is disposed substantially horizontally, and the side surface of the frame on the tunnel wall surface side is disposed substantially vertically. The lamp fixture has a configuration in which two sets of two holding pins, which are in pairs, are provided opposite to each other so that they can approach and separate from each other. Automatic changer for light in tunnel. The guide rail includes two main guide rails provided substantially above the power vehicle and the exchange vehicle, and auxiliary guide rails provided on the side or lower side of the anti-tunnel wall surface. Item 2. An automatic replacement device for a lamp in a tunnel according to Item 1.

Images