JP3377551B2 - Excavation detection device for towing suspension vehicles - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pullout detection device for a towed suspension type vehicle.

[0002]

2. Description of the Related Art A conventional towed suspension vehicle will be described with reference to FIG.
Reference numeral 15 is a traveling device (carriage) mounted on the upper portion of the vehicle body 12, 16 is left and right traveling wheels mounted on both sides of the traveling carriage 15, and each traveling wheel 16 rides on the lower upper surface of the elevated rail 1. ing. Reference numeral 17 denotes left and right guide wheels attached to the upper portion of the traveling device 15, and the respective guide wheels 17 are in contact with both right and left surfaces of the vertical portion of the elevated rail 1. 20 is a towed suspension vehicle.

6 is a gripping machine attached to the traveling device 15;
Reference numeral 13 is a gripping portion of the gripping machine 6, 18 is a fixed grip provided on the gripping portion 13, 19 is a movable grip pivotally supported on the gripping portion 13, and 4 is a vehicle driving cord. Drive cord 4
Are rotatably supported by a plurality of fixed receiving wheels (not shown). The towed suspension type vehicle 2 shown in FIG.
At 0, the left and right traveling wheels 16 and the left and right guide wheels 17 are brought into contact with the elevated rail 1 to support the vehicle body 12 so that the vehicle body 12 can travel, while the gripping device (not shown) allows the movable grip 1 to move.
9 is rotated in the closing direction, the vehicle drive rope 4 is gripped by the movable grip 19 and the fixed grip 18, and the vehicle drive rope 4 is circulated to move the vehicle body 12 to the elevated rail 1
Run along.

Although the towed suspension type vehicle 20 does not have a derailment detection device, it is installed at a required place in a vehicle such as a ropeway towed by a rope like the towed suspension type vehicle 20. Proximity switch on each fixed receiving ring
N, a proximity switch that turns off when unplugged)
I am trying to detect the escape.

[0005]

When the proximity switch is provided on each fixed rope as described above, the rope grips the vehicle when the ropeway vehicle passes through the fixed rope position. As the vehicle on the ropeway sways when hitting the receiving wheel, the riding comfort becomes poor and noise is generated.
In the towed suspension vehicle shown in (1), when passing through each fixed receiving wheel position, the rope is pulled out by the gripping machine 6 and separated from each fixed receiving wheel. Therefore, if the proximity switch is applied to the towed suspension vehicle as it is, the proximity switch is OF when the vehicle body 12 passes each fixed receiving wheel position.
There was a problem that it became an F and erroneously determined that it was a removal.

The present invention has been made in view of the above problems, and an object thereof is to provide an untracking detection device for a towed suspension type vehicle that can accurately detect unhooking from a fixed receiving wheel. There is a point to try.

[0007]

In order to achieve the above-mentioned object, the present invention provides a vehicle main body suspended on a rail, a gripping machine attached to the vehicle main body, and a plurality of fixed receiving ropes. In a towed suspension vehicle having a vehicle driving rope supported movably by means of a plurality of fixed receiving wheels provided for each detection section, the fixed receiving wheels on the most upstream side and the most downstream side. A proximity switch for detecting the cord position is provided on the.

Further, the present invention comprises a vehicle main body suspended on a rail, a gripping machine attached to the vehicle main body, and a vehicle driving rope which is movably supported by a plurality of fixed receiving wheels. In the towed suspension type vehicle that has, the proximity switch for detecting the rope position is provided on the fixed receiving ring near the center of the plurality of fixed receiving wheels provided for each detection section, and the detection section entry side and the exit side Proximity switch for vehicle position detection is installed on the track.

[0009]

According to the detachment detection device for a towed suspension type vehicle of claim 1, when the towed suspension type vehicle is not in the detection section,
The rope contacts the fixed receiving wheels in the detection section, and both the furthest upstream and furthest downstream filament position detecting proximity switches are turned on. Further, when the towed suspension vehicle is running in the detection section, the rope is brought into contact with either the uppermost stream side or the lowermost stream side fixed receiving ring by the gripping machine of the vehicle to cause the proximity switches to move. Is always turned on, so if the proximity switches are turned off at the same time, it is determined that the fixed receiving wheel is removed.

According to another aspect of the present invention, there is provided a pulling detection system for a towed suspension type vehicle, wherein the towed suspension type vehicle is detected by a proximity switch for detecting vehicle position on the entry side of the detection section, and then a proximity switch for detecting vehicle position on the escape side. Until it is detected by, the rope is pulled out from the fixed receiving ring near the center by the gripping machine of the vehicle, and the proximity switch for detecting the rope position near it is turned off. Even though there is no suspension type vehicle, the proximity switch for detecting the rope position is O
If it becomes FF, it is determined that the fixed receiving ring is removed.

[0011]

【Example】

(First Embodiment) Next, a description will be given of a detachment detecting device for a towed suspension type vehicle of the present invention with reference to a first embodiment shown in Figs. Ropes, 5
Reference numerals a to 5d denote a plurality of fixed receiving wheels installed on the elevated rail 1 at intervals, and the vehicle driving ropes 5a to 5d correspond to the fixed receiving wheels of one detection section. Reference numeral 12 is a vehicle body of a towed suspension vehicle, 15 is a traveling device (truck) provided on the vehicle body 12, 6 is a gripping machine provided on the traveling device 15, and 13 is a grip of the gripping machine 6. It is a rope.

Further, A is a fixed receiving wheel 5a-5 for one detection section.
Of d, a cord position detecting proximity switch provided near the most upstream side fixed receiving wheel 5a in the vehicle traveling direction, and B is provided near the most downstream downstream fixed receiving wheel 5d in the vehicle traveling direction. This is a proximity switch for detecting the cord position. Next, the operation of the pullout detection device for the towed suspension type vehicle shown in FIGS. 1 and 2 will be described in detail. (1) When the towed suspension vehicle is not in the detection section, the rope 4 is received by the fixed receiving wheels 5a to 5d as shown in FIG. 1, and the proximity switches A and B for detecting the rope position are set. Both are turned on. (2) When the towed suspension vehicle passes through the fixed receiving wheel 5a position on the most upstream side of the detection section, the rope 4 is fixed by the gripping portion 13 of the gripping machine 6 as shown by the broken line in FIG. Receiving ring 5
The cord position detecting proximity switch A is pulled off from a and 5b, while the cord 4 is received by 5c and 5d, and the cord position detecting proximity switch B is turned on. (3) When the towed suspension type vehicle passes through the central portion of the detection section, as shown by the solid line in FIG.
The cord 4 is pulled out from the fixed receiving wheels 5b and 5c by 3 while the cord 4 is received by 5a and 5d, and the cord position detection proximity switches A and B are both turned ON. (4) When the towed suspension vehicle passes through the fixed receiving wheel 5d position on the most downstream side of the detection section, the rope 4 is moved by the gripping portion 13 of the gripping machine 6 as shown by the alternate long and short dash line in FIG. The cord 4 is pulled out from the fixed ropes 5c and 5d, and the cord position detecting proximity switch B is turned off, while the rope 4 is fixed to the fixed ropes 5a,
Proximity switch A for cord position detection received by 5b
Turns on.

Thus, when the towed suspension vehicle is not in the detection section, the rope 4 comes into contact with the fixed receiving wheels 5a to 5d, and the furthest upstream and furthest downstream filament position detecting proximity switches. Both A and B are turned on. Further, when the tow type suspension type vehicle is running in the detection section, the rope 4 is used by the vehicle's gripping machine to cause the rope 4 to move to the uppermost stream side and the lowermost stream side of the fixed receiving wheels 5a,
Since either of the proximity switches A and B is always turned on by touching any of the 5d, the proximity switches A and B are simultaneously turned on.
If it becomes FF, it is determined that the fixed receiving wheels 5a to 5d have been removed.

(Second Embodiment) Next, a description will be given of a detachment detecting device for a towed suspension type vehicle according to a second embodiment shown in FIGS. Is a plurality of fixed drive wheels 5a to 5d installed on the elevated rail 1 at intervals, and the vehicle drive lines 5a to 5d.
5d is equivalent to a fixed receiving wheel of one detection section. 1
2 is a vehicle body of a towed suspension type vehicle, and 15 is the vehicle body 1
2 is a traveling device (carriage) provided on the traveling device, 6 is a gripping device provided on the traveling device 15, and 13 is a gripping portion of the gripping device 6.

Further, C is a fixed receiving wheel 5a in one detection section.
5d, a cable position detecting proximity switch provided near the fixed receiving ring 5b near the center, M is a vehicle position detecting proximity switch provided on the rail 1 on the detection section entry side of the vehicle body 12, N Is a proximity switch for vehicle position detection provided on the rail 1 on the escape side of the detection section. Next, the operation of the pullout detection device for the towed suspension type vehicle shown in FIGS. 3 and 4 will be specifically described. (1) When the towed suspension vehicle is not in the detection section, the rope 4 is received by the fixed receiving wheels 5a to 5d as shown in FIG. 3, and the rope position detection proximity switch C is turned on.
become. (2) When the towed suspension vehicle passes the approach side of the detection section, the vehicle position detection proximity switch M detects the entry of the vehicle into the detection section. At this time, the cord 4 is pulled out from the fixed receiving ring 5a by the gripping portion 13 of the gripping machine 6, but is received by the fixed receiving ring 5b, so the cord position detection proximity switch C is turned on. Become. (3) When the towed suspension vehicle passes between the vehicle position detection proximity switches M and N, the rope 4 is fixedly received by the gripping portion 13 of the gripping machine 6 as shown by the solid line in FIG. Ring 5
Since it is pulled out from b and 5c, the cord position detection proximity switch C is turned off. (4) When the towed suspension vehicle passes the escape side of the detection section, the vehicle position detection proximity switch N detects the escape of the vehicle from the detection section. At this time, as shown by the one-dot chain line in FIG. 4, the cord 4 is pulled out from the fixed receiving ring 5d by the gripping portion 13 of the gripping machine 6, but is received by the fixed receiving ring 5b. Proximity switch C for position detection is ON
become.

As described above, the grip of the towed suspension type vehicle is detected from the time when it is detected by the vehicle position detecting proximity switch M on the entry side of the detection section to the time when it is detected by the vehicle position detecting proximity switch N on the exit side. Since the rope 4 is pulled out from the fixed receiving ring 5b near the center by the rope and the proximity switch C for detecting the rope position is turned off, there is no towed suspension vehicle in the detection section. When the cord position detecting proximity switch C is turned off, the fixed receiving wheels 5a to 5d
It is determined to be removed from.

[0017]

As described above, in the pulling detection system for a towed suspension type vehicle according to the first aspect, when the towed suspension type vehicle is not in the detection section, the rope is attached to each fixed receiving wheel in the detection section. When they come into contact with each other, both the furthest upstream and furthest downstream filament position detecting proximity switches are turned on. Further, when the towed suspension vehicle is running in the detection section, the rope is brought into contact with either the uppermost stream side or the lowermost stream side fixed receiving ring by the gripping machine of the vehicle to cause the proximity switches to move. Is always turned on, so if the proximity switches are turned off at the same time, it is determined that the fixed receiving wheel is removed. Therefore, it is possible to accurately detect the detachment from the fixed receiving ring.

Further, as described above, in the pulling detection system for a towed suspension type vehicle according to the second aspect, the vehicle on the escape side is detected after the towed suspension type vehicle is detected by the vehicle position detecting proximity switch on the detection section entry side. Until the proximity switch for position detection detects it, the rope is pulled out from the fixed receiving ring near the center by the gripping machine of the vehicle, and the proximity switch for detecting rope position near it is turned off. When there is no towed suspension vehicle in the detection section, if the proximity switch for detecting the rope position is turned off, it is determined that the fixed rope is removed. Therefore, it is possible to accurately detect the detachment from the fixed receiving ring.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of a pullout detection device for a towed suspension vehicle according to the present invention.

FIG. 2 is an operation explanatory view showing a state of the detachment detection device when the vehicle is traveling.

FIG. 3 is a side view showing a second embodiment of the pullout detection device for a towed suspension vehicle according to the present invention.

FIG. 4 is an operation explanatory view showing a state of the detachment detection device when the vehicle is traveling.

FIG. 5 is a front view showing a conventional towed suspension type vehicle.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Rail 4 Vehicle driving ropes 5a to 5d 1 Fixed receiving wheel 6 in a detection section 6 Grip machine 12 of traveling device 15 Vehicle main body 13 of towed suspension vehicle Grip part 15 of gripping machine 6 Vehicle main body 12 Traveling device (trolley) A Proximity switch for detecting rope position on the most upstream side B Proximity switch for detecting rope position on the most downstream side C Proximity switch for detecting rope position near the center M Detection of vehicle position on detection side Proximity switch N Proximity switch for detecting vehicle position on escape side of detection zone

Front Page Continuation (72) Inventor Yozo Fukumoto 2-7-2 Izumidai, Kita-ku, Kobe City, Hyogo Prefecture (72) Inventor Hitoshi Tsunashima 35-1-602 (56) Uejima-cho, Kadoma-shi, Osaka (56) Reference JP 3 -14761 (JP, A) JP-A 1-160774 (JP, A) JP-B 39-20241 (JP, B1) JP-B 38-13233 (JP, Y1) (58) Fields investigated (Int.Cl) . ⁷ , DB name) B61B 12/02 B61B 9/00

Claims (2)

(57) [Claims] 1. A towed suspension having a vehicle main body suspended on a rail, a gripping machine attached to the vehicle main body, and a vehicle driving rail movably supported by a plurality of fixed receiving wheels. In a type vehicle, a rope position detecting proximity switch is provided near the upstreammost and downstreammost stationary receiving wheels of the plurality of fixed receiving wheels provided for each detection section , and both proximity switches are installed.
If the switch detects that the cords have separated at the same time, the
A pullout detection device for a towed suspension vehicle characterized by being determined as a rope. 2. A towed suspension having a vehicle main body suspended on a rail, a gripping device attached to the vehicle main body, and a vehicle driving rail movably supported by a plurality of fixed receiving wheels. In a type vehicle, a proximity switch for detecting the rope position is provided near the fixed receiving ring near the center of the fixed receiving wheels provided for each detection section, and the rails on the entry side and the escape side of the detection section are provided. A proximity switch for vehicle position detection is installed on the
Proximity switch for line detection when not in the detection zone
A pullout detection device for a towed suspension vehicle, characterized in that when it detects that the cord has separated, it is determined to be a pullout.