JPH0447020Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a transport vehicle for carrying people and cargo that travels in a tunnel such as a dam inspection gallery formed within a dam embankment.

BACKGROUND TECHNOLOGY As shown in FIG.
Since the traveling route 10 is a series of alternating horizontal traveling routes 10a and inclined traveling routes 10b, a vehicle whose posture can be easily controlled is provided. This type of transport vehicle includes, for example, a monorail type vehicle shown in FIG. One rail 31 is arranged on the ceiling along the travel route 10, and this rail 31
a drive section 3 that is movably supported by and has a traveling device;
2, the gauge 33 is swingably suspended and supported via a pin 34.

Problems to be Solved by the Invention However, since the above-mentioned conventional type has a hanging structure, it was not possible to completely stop the shaking of the gauge 33.

The object of the present invention is to solve the above-mentioned problems and provide a carriage for carrying people and cargo that can always run in a stable posture.

Means for Solving the Problems In order to solve the above problems, the present invention provides a parallel link mechanism consisting of a pair of upper and lower horizontal links arranged parallel to each other and vertical links at the front, rear and center. A lower guide roller is rotatably supported by each lower connecting pin that connects the horizontal link and the front and rear vertical links, and is guided by a lower guide rail arranged along the travel route, and the upper horizontal link and An upper guide roller is rotatably supported by each upper connecting pin that connects the front and rear vertical links, and is guided by an upper guide rail arranged at a predetermined interval from the lower guide rail along the travel route. A cabin is provided, the cabin is supported by the central vertical link so as to be freely raised and lowered, and has running wheels at the bottom that run on the road surface along the running route, and a running device is provided for making the cabin run along the running route. That is.

Function In the above configuration, the upper and lower guide rollers are guided by the upper and lower guide rails respectively due to the action of the parallel link mechanism, and even if the upper and lower lateral links are inclined along the upper and lower guide rails on the inclined travel path, Since each vertical link can always maintain its vertical direction, the cabin supported by the central vertical link can always maintain a stable horizontal posture.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 7.

This transport vehicle travels along a travel route 10 in a tunnel (inspection gallery) 11 formed within the dam embankment as shown in FIG.
The horizontal traveling route 10a and the inclined traveling route 10b are arranged in succession alternately.

First, the basic configuration and posture control of the carrier will be explained with reference to the schematic configuration diagram of the carrier shown in FIG. Reference numeral 1 denotes a parallel link mechanism consisting of a pair of upper and lower horizontal links 2A, 2B and front and rear and center vertical links 3A, 3B, 3C, which are arranged parallel to each other, and a lower horizontal link 2B and front and rear vertical links 3A, 3B.
A lower guide roller 5 is disposed at one end of the lower connecting pin 4 that rotatably connects the upper horizontal link 2A and the front and rear vertical links 3A, 3.
An upper guide roller 7 is disposed at one end of each upper connecting pin 6 that rotatably connects the upper connecting pins B to each other.
A cabin 8 is supported by a central vertical link 3C via an elevating guide roller 9 so as to be able to rise and fall, and has running wheels 12 at the center of its lower end that can run on a road surface 11a along a running route 10. Reference numerals 13 and 14 denote a lower guide rail and an upper guide rail arranged along this travel path 10, which guide the upper guide roller 5 and the lower guide roller 7, respectively.

In the above configuration, the upper and lower guide rails 13,
The vertical distance L between the lower connecting pin 4 and the upper connecting pin 4 is always constant on the traveling route 10 such as the horizontal traveling route 10a shown in FIG. 1a and the inclined traveling route 10b shown in FIGS. 1b and c. It is set to be equal to the distance between pins 6. Therefore, in the horizontal traveling path 10a, the upper and lower guide rollers 7, 5
is guided and supported by the upper and lower guide rails 13, and each horizontal link 2A, 2B is oriented in the horizontal direction,
Each vertical link 3A, 3B, 3C is oriented in the vertical direction.
Then, on the inclined traveling route 10b, the horizontal links 2A, 2
Even if B is inclined along the inclination direction, each vertical link 3
A, 3B, and 3C always face in the vertical direction due to the action of the parallel link mechanism 1. Therefore, the central vertical link 3
The cabin 8 supported by C always follows the horizontal travel path 1
The vehicle is maintained in the same horizontal position as when traveling at 0a.

Next, details of the embodiment will be explained with reference to FIGS. 2 to 6.

The lower guide roller 5 is fitted into and guided by a lower guide rail 13 having a groove-shaped cross section, which is disposed on the road surface 11a on one side wall 11b inside the tunnel 11, and is prevented from slipping out by a slip-out prevention roller 15. be done. The upper guide roller 14 is fitted into and guided by an upper guide rail 14 having a groove-shaped cross section that is attached to one side wall 11b above the lower guide rail 13 via a support member 16. The cabin 8 in which people and cargo are carried is formed in a box shape, and an elevating guide roller 9 arranged on the outer surface of one side wall 11b of the cabin 8 is movable to a roller guide 25 attached to a vertical link 3C in the center. The opening/closing door 17 is fitted onto the outside and supported so as to be movable up and down along the central vertical link 3C, and an opening/closing door 17 is attached to the side opposite to the up/down guide roller 9. Further, the lower front and rear surfaces 8a and 8b are formed to be inclined along the road surface 11a of the inclined running path 10b, and a pair of left and right running wheels 12 are attached to the lower ends thereof.

Reference numeral 18 denotes a pair of front and rear running devices, each main body 19 having a running roller 2 at the front and back of the upper guide roller 7, respectively.
0 so as to be able to run freely on the upper guide rail 14, and connected to the upper connecting pin 6 via connecting rods 21, both ends of which are rotatably connected, and are arranged on the main body 19. A pinion 23 driven by a motor 22 meshes with a rack 24 disposed on the side wall 11b along the traveling path 10, and by driving the motor 22, the traveling device 18
moves on the upper guide rail 14 and connects the connecting rod 2.
1, the cabin 8 is configured to travel along a travel path 10.

Next, the effect will be explained.

One or both of the traveling devices 18 are driven to move on the upper guide rail 14, and the cabin 8 is moved along the horizontal path 10a. At this time, the cabin 8 is supported by the central vertical link 3C via the lifting guide roller 9, and the running wheels 12 are running on the road surface 10a to maintain a horizontal posture.
As shown in FIG. 6, the cabin 8 moves from the horizontal traveling route 10a to the inclined traveling route 10b at the bent portion 1.
When moving to 0c, the upper and lower guide rails 14,1
However, since the vertical distance L between the lower rail 13 and the upper rail 14 is set constant, the action of the parallel link mechanism 1 causes the vertical links 3A, 3B to tilt. ，
3C is always held in the vertical direction, and the cabin 8 also maintains a horizontal attitude. Then, the inclined traveling route 10b
Also, the vertical links 3A, 3B, and 3C are held in the vertical direction, and the cabin 8 is maintained in a horizontal position.

Effects of the invention As described above, according to the invention, guide rollers are provided at the lower and upper connecting pins at the four corners of the horizontal link and vertical link that constitute the parallel link mechanism, and the lower guide rail guides the lower guide roller. and an upper guide rail that guides the upper guide roller are arranged along the traveling route at a predetermined interval, and a cabin with traveling wheels is supported on the central vertical link so that it can be raised and lowered, so that it can be easily moved on a horizontal traveling route or on an inclined traveling route. Even in the curved portion between the horizontal travel route and the inclined travel route, the vertical link can always be kept facing the vertical direction, so that the cabin can always maintain a stable horizontal posture. Furthermore, since the cabin is supported by vertical links so as to be able to rise and fall, and is also supported from below by running wheels at the bottom, smooth operation can be expected without placing any load on the parallel link mechanism or guide rollers.

[Brief explanation of the drawing]

Figures 1 to 6 show an embodiment of the present invention, Figures 1a, b, and c are diagrams showing the base structure and function of the carrier, respectively, Figure 2 is a side view thereof, Figures 3, and Fig. 4 is shown in Fig. 2 - arrow view and -
Fig. 5 is a partial plan view, Fig. 6 is an overall side view for explaining the operation, Fig. 7 is a view showing an inspection corridor inside the dam embankment, and Fig. 8 is a side view showing a conventional example. . 1...Parallel link mechanism, 2A...Upper horizontal link,
2B...Lower horizontal link, 3A, 3B...Front and rear vertical links, 3C...Central vertical link, 4...Lower connecting pin, 5...Lower guide roller, 6...Upper connecting pin, 7...Top Guide roller, 8...cabin, 10...travel route, 12...travel wheel, 13
... lower guide rail, 14 ... upper guide rail, 18 ... traveling device.

Claims (1)

[Scope of utility model registration request] A parallel link mechanism consisting of a pair of upper and lower horizontal links and front and rear vertical links arranged parallel to each other is provided, and is rotatably supported by each lower connecting pin that connects the lower horizontal link and the front and rear vertical links. A lower guide roller is provided which is guided by a lower guide rail disposed along the travel route, and is rotatably supported by each upper connecting pin connecting the upper horizontal link and the front and rear vertical links. An upper guide roller is provided that is guided by an upper guide rail that is disposed at a predetermined interval from the lower guide rail along the travel route, and is supported by the central vertical link so as to be able to rise and fall, and is provided at the lower part along the travel route. What is claimed is: 1. A vehicle for carrying people and cargo, characterized in that it is provided with a cabin having running wheels that run on a road surface, and a running device that makes the cabin run along a running route.