JPH019729Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a defect detection mechanism for a cable gripping machine used in an automatic circulation type cableway.

An automatic circulation cableway circulates by suspending a cable between pulleys installed at terminals (stops) at both ends, and a cable gripping device with a carrier suspended from the cable is attached to the cable. The device moves the gripping device and the carrier along with the movement of the rope, and the carrier grips the rope at one terminal using the attached gripping device, departs, arrives at the terminal at the other end, and sets off. It is a type of transportation or transport facility that has the feature of being able to adjust the departure interval of carriers depending on the number of transportation requests.

Since the gripping device is an important part for connecting the rope and the carrier, various types of gripping devices have been proposed and implemented in pursuit of more reliable and stable performance.

At the same time, even in daily cableway operation, sufficient care must be taken to maintain and maintain the cableway equipment in order to maintain its normal function. Preventing internal departures is a prerequisite for the safe operation of cableways.

In response to this situation, for example,
No. 148441 "Cableway gripping machine" (see Utility Model Application Publication No. 57-70966) proposes a mechanism for detecting defects in the rope gripping device, but the present invention aims to further ensure the detection of defects in the gripping device. This was done for the purpose of improving.

Corresponding to this purpose, the defect detection mechanism of the gripping device of the present invention includes a center block on which the carrier is to be suspended, and clip blocks arranged on both sides of the center block.
A rod is placed over each clip block,
The center block and the one clip block are fixedly connected, the other clip block is displaceable along the rod by a predetermined distance, and a link is pivotally connected to each of the two clip blocks. , and the two links are pivotally connected to each other by a pin, and one of the links has a detection roller pivotally connected to an end extending from the joint point. It is said that

The details of this invention will be explained below with reference to the drawings showing one embodiment.

FIG. 1a shows the rope grasping device 1 in a freeing state. A suspension machine 3 is pivotally suspended from a pin 8 on the central center block 2, and a carrier (not shown) is fixedly suspended below the suspension machine 3. On both sides of the center block 2, rope gripping machines 30a, 30b are arranged, and the center block 2 and the rope gripping machines 30a, 30b are connected in a relationship as described below.

The rope gripping machines 30a and 30b each have a roller 4.
a and 4b, and is configured to roll and travel on a traveling rail 5. In addition, the rope gripping devices 30a, 30b have long clip portions 32a, 32b and short clips 35a, 35b, respectively, and are in the rope gripping state (first
In the case of figure b), the cable 10 is gripped. The lead hangers 6a and 6b are provided to allow the cable to smoothly pass through the pressure cable receiving device in the cableway line when the cable is in the gripping state.

The rope gripping devices 30a and 30b each have a protrusion 11.
a and 11b are fixedly installed. A link 13 is pivotally attached to the projection 11a with a pin 12a, and a detection roller 15 is pivotally attached to the link with a pin 14.
Further, another link 16 is pivotally connected to the projection 11b by a pin 12, and the other end of the link 16 is pivotally connected to the link 13 by a pin 17. long clip 6
A spring 21 is disposed between the long clip 6b and the long clip 6b as will be described later.

The rope clasps 30a, 30b and the center block 2 pass through a rod 18, as shown in FIGS.
Fix b. For example, a nut may be screwed onto the rod 18 to the stop members 19a, 19b. The rope gripping device 30b and the center block are, for example, bolt 2.
0 screwed together to form a mutually fixed relationship, and the rope gripping machine, 30
a defines the distance between the stop members 19a and 19b of the rod 18 so that the rod 18 can be slid along the rod 18 by a distance X in the longitudinal direction. In this way, the rope gripping machines 30a and 30b have their pins 36a and 36b extended as shown in FIG. The rope gripping machines 30a and 30b are constructed so as to be close to each other at all times.

The locking pins 60a, 60b are for fixing the long clip portions 32a, 32b and the pins 36a, 36b, respectively.

In addition, although the detection spring 21 is shown as a tension spring, instead of this, as shown in FIG. It is also possible to perform functions.

The rope gripping machine 30 of the rope gripping device 1 configured in this way
Various materials can be used for a and 30b, but in this embodiment, those shown in FIGS. 3a and 3b are used.

In FIGS. 3a and 3b, the clip block 31
A long clip portion 32 is formed at one end, and a protrusion portion 33 is formed at the other end. Further, near the middle portion of the clip block 31, rims 34a and 34b extend to support spring rods to be described later.

The short clip 35 is pivotally attached to the vicinity of the long clip portion 32 of the clip block 31 by a pin 36, and has a short clip 37 and a link 4 which will be described later.
It has an arm 38 that extends for connection to 2. The spring rod 39 has a round bar shape with a step 41 in the middle, and is connected to the clip block 31.
The spring 40 is inserted between the step 41 and the rim 34b.

The link 42 has a long hole 43 at one end, and a pin 44
The link 4 is loosely inserted into the elongated hole 43 and pivotally connected to the arm 38 of the shot clip 35.
2 is pivotally connected to one end of the spring rod 39 by a pin 45.

The lever 46 has the roller 4 pivotally attached to its tip, and is pivotally attached to the protrusion 33 of the clip block 31 with a pin 47. The lever 46 has a pin 48
The spring rod 39 is pivotally connected to a link 49 by a pin 50, and the link 49 is pivotally connected to the other end of the spring rod 39 by a pin 50.

FIG. 3b shows the rope gripping state of the rope gripping machine 30, in which the spring rod 39 is pressed in the direction of the arrow 51a by the elastic restoring force of the spring 40, and the shot clip 35 is pushed through the link 42. rotates about the pin 36 in the direction of the arrow 52a, and the long clip portion 32 and the short clip 37 clamp and grip the cable 10.

When roping, as shown in FIG. 3a, when the rollers 4 land on the travel rails 5 fixed to the terminal of the cableway and roll, the levers 46,
Spring rod 39 connects spring 4 via link 49.
The shot clip 35 is indexed in the direction of the arrow 51b against the elastic restoring force of 0, and as a result of this movement, the shot clip 35 begins to rotate about the pin 36 in the direction of the arrow 52b via the link 42. The opening lever 55 of the shot clip 35 is pushed up by the opening lever 54 fixedly installed inside the terminal, and is rotated in the direction of the arrow 52b. In this way, the relative distance between the long clip part 32 and the short clip part 37 increases, and the cable 10 is opened.

Next, the functional operation of the gripping device configured as described above will be explained.

FIG. 1a shows the rope gripping device 1 in a free-roping state, in which the rope gripping device 3 is activated by the elastic restoring force of the detection spring 21.
0a and the rope gripping machine 30b are mutually towed,
As shown in FIG. 2a, the rope gripper 30a moves along the rod 18 in the direction of the arrow 22a, and
is between the rope gripper 30a and the stop member 19a. Since the rope grips 30a and 30b are brought together in this way, the link 13 and the link 16 are connected to each other, so that the link 13 rotates in the direction of the arrow 23a about the pin 12a, and the link 16 rotates in the direction of the arrow 24a. The detection roller 15 is in the raised position.

Next, when the cable gripping device 1 is caused to grip the cable 1 and set out onto the cableway track, the procedure is as follows.

A press rail 25 is fixedly installed at a position where the rope grasping device 1 is moved in a traveling direction 26 shown by an arrow in FIG.

As shown in FIG. 1b, as the rope grasping operation is performed, the press rail 25 is moved to the press roller 7.
a, 7b are pressed down, and the detection roller 15 is also lowered to the press rail 25 by the Y dimension than in the case of the above-mentioned raised position. Due to the lowering of the detection roller 15, the link 13 rotates in the direction of the arrow 23b around the pin 12a, and the link 16 rotates in the direction of the arrow 24b around the pin 12b.
As a result, the rope gripping machine 30a
and 30b move away from each other. That is, as shown in FIG. 2b, the rope holder 30a moves along the rod 18 in the direction of the arrow 22b until the rope holder 30a and the stop member 19a come into contact with each other, and the rope is moved between the rope holder 30a and the center block 2. It comes to have a void X.

In this way, the rope grasping operation of the rope grasping device 1 is completed within the section where the press rail 25 is arranged,
When proceeding in the traveling direction 26, the section where the press rail 25 ends is reached, and if the function of the rope gripping machine is normal even if the section starts on the cableway, the detection roller 25
The lowered position of is maintained and saved.

If the spring of the rope gripping device 30a or 30b is damaged or falls off, and the required rope gripping force is not generated, when the rope gripping device 1 finishes passing through the section where the press rail 25 is arranged, The elastic restoring force of the detection spring 21 overcomes the gripping force generated by the spring 42 of the rope gripping device 30a or 30b, and the rope gripping device 30
a and 30b are brought together, and therefore the detection roller 15 returns to the raised position.

Therefore, after the rope grasping is completed, when the rope grasping machine 1 is functioning normally, the detection roller 15 is in the lowered position, and when the rope grasping machine 1 is not functioning normally, the detection roller 1 is in the lowered position.
5 is in the raised position. As a result, if a sensor, for example, a limit switch, is provided at a position before the rope gripping device 1 departs into the cableway line to detect when the detection roller 15 is in the raised position by coming into contact with it, it is possible to prevent the rope from malfunctioning. The device can be detected and prevented from leaving.

As mentioned above, in the defect detection mechanism of the rope gripping device according to the present invention, the detection roller is pivotally attached to the end of the link 13 extending further from the node with the link 16, so that the detection roller can be detected in the ascending and descending positions. The displacement Y with respect to the position is expanded, and as a result, it becomes clear to distinguish between cases in which the function of the cable gripping device is normal and cases in which it is defective, which reduces the possibility of false detection and contributes to safe operation of the cableway. There's a lot to do.

[Brief explanation of drawings]

Figure 1a is a front explanatory view showing a state in which both rope gripping devices of the failure detection mechanism of the rope gripping device are pulled together, and FIG. Figure 2a is a cross-sectional view showing a state in which both rope grippers are pulled together, and Figure 2b is a failure detection mechanism for the rope gripper. Fig. 3a is a cross-sectional explanatory view showing a state in which both rope grippers are pushed apart, Fig. 3a is a longitudinal cross-sectional view showing the rope gripping machine in a free-rope state, and Figure 3b is a longitudinal cross-sectional view showing the rope gripping machine in a latching state. FIG. 4A is a front view showing an example of the detection spring, and FIG. 4B is a front view showing another example of the detection spring. 1...Lock grip device, 2...Center block,
4, 4a, 4b...Roller, 5...Travel rail, 6a, 6b...Lead hanger, 7, 7a,
7b... Press roller, 10... Cable, 15...
...detection roller, 21...detection spring, 25...press rail, 30, 30a, 30b...rope gripping machine,
31...Clip block, 32...Long clip part, 35...Short clip, 37...Short clip part, 39...Spring rod,
54...Opening rail.

Claims (1)

[Scope of utility model registration request] A center block on which the carrier is suspended, clip blocks are arranged on both sides of the center block, a rod is arranged between the center block and the two clip blocks, and a rod is arranged between the center block and the one clip block. the other clip block is movable along the rod by a predetermined distance, a link is pivotally connected to each of the two clip blocks, and the two links are mutually connected. A failure detection mechanism for a gripping device, in which a detecting roller is pivotally connected to an end of one of the two links extending from the connecting point.