JPH0285546A - Rope fastening device - Google Patents

Abstract

PURPOSE:To easily detect whether the preset tension is surely applied between a rope and a wedge type rope socket or not by providing a load detecting mechanism detecting the tension applied by a driving mechanism. CONSTITUTION:When a lever 5b is rotated counterclockwise, tension is applied between a rope 1 and a wedge type rope socket 2, and the rope 1 is bitted by the wedge 3 in a fastened state. A rightward force is applied to a clip presser 6a by the tension, the clip presser 6a is moved to the right against a load detecting spring 6c, this shift quantity is equal to the shift quantity of a scale plate 6d, thus the shift of the scale plate 6d is observed by the arrow of a spring presser 6b to confirm that it is moved to the preset position in response to the preset tension. The force applied to the lever 5b can be optionally selected by the lever ratio l1/l1 between a long arm and a short arm, and the fastening can be performed with a sufficiently small force.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rope fastening device, and particularly to a rope fastening device suitable for fastening a rope using a wedge-type rope socket.

[Prior Art] Generally, in elevators and the like, a wedge-type rope socket is attached to the end of a rope, and this wedge-type rope socket is used to connect the rope to a car frame.

By the way, when attaching a wedge-type rope socket to the end of this kind of rope, for example,
A rope fastening device such as that shown in Japanese Patent No. 773 was used to apply tension between the rope and the wedge-type rope socket, thereby increasing the reliability of fastening the two together.

[Problems to be Solved by the Invention] However, in the conventional rope fastening device, even if the mechanism that applies tension actually operates, the tension is generally around 200 kgf, which is required depending on the engagement state between the rope and the wedge-type lobe socket. It was not known whether or not it had been added, making it unreliable.

An object of the present invention is to provide a rope fastening device that can easily detect whether a predetermined tension is reliably applied between a rope and a wedge-type rope socket.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a quick-acting mechanism for relatively driving a rope and a wedge-type rope socket so as to apply tension between the rope and the wedge-type rope socket; The present invention is characterized by comprising a load detection mechanism that detects a predetermined tension applied therebetween.

[Function] Since the rope fastening device according to the present invention has the above-described structure, by configuring the drive mechanism using a lever, screw propulsion, hydraulic device, etc., it is possible to easily connect the rope and the wedge-type rope socket. A highly reliable rope fastening device is obtained, in which a desired tension can be obtained, and the load detection mechanism can be used to confirm whether or not a predetermined tension has been applied.

[Example] Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1, FIG. 2, and FIG. 3 are a front view showing a state before fastening of a rope fastening device according to an embodiment of the present invention, a front view showing a state when fastening is completed, and a top view showing a state before fastening. .

As shown in FIG. 1, the end of the rope 1 is wrapped around a wedge 3 of a wedge-type rope socket 2, and the folded portion is fastened with a clip 4. A drive mechanism 5 is connected to the wedge-type rope socket 2, that is, connected to one end of a lever 5b via a link 5a, and the fulcrum of the lever 5b is rotatably supported by a support portion 5c fixed to a base 7. . Further, the base 7 is configured with a holding part 6 on the side of the clip 4 described above, and this holding part 6 moves in the direction toward and away from the spring presser 6b fixed to the base 7. If possible, the lip presser 6a and the load detection spring 6 placed between both pressers 6a and 6b.
c, and a scale plate 6d attached to the clip presser 6a. Before fastening, the clip 4 is in contact with the clip presser 6a, and as shown in FIG.
An arrow attached to the spring presser 6b points to a reference position.

Next, as shown in FIG. 2, when the lever 5b is rotated counterclockwise, tension is applied between the rope 1 and the wedge-type rope socket 2, and the rope 1 bites into the wedge-shaped rope socket 513 to be in a fastened state. Due to the tension at this time, a force is applied to the right side of the clip presser 6a, and the clip presser 6a is activated by the load detection spring 6C.
The amount of movement is equal to the amount of movement of the scale plate 6d, so as shown in Fig. 3, the movement of the scale plate 6d is visually observed by the arrow on the spring holder 6b, and it is adjusted to correspond to the tension of 200 kgf. Make sure it has moved to the specified position. The force applied to the lever 5b can be arbitrarily selected depending on the lever ratio f12/Q of the long arm and the short arm, and the fastening can be performed with a sufficiently small force.

4 and 5 are a front view and a plan view of a rope fastening device according to another embodiment of the present invention.

Since the structure of the holding portion 6 in this embodiment is the same as that in the previous embodiment, the same reference numerals are given to the equivalent parts and the explanation thereof will be omitted. A tension pin 5d is connected to the wedge-type rope socket 2, and this tension pin 5d is formed with a female thread. One end of the threaded rod 5e, in which the male threaded portion is screwed into the female threaded portion, is rotatably supported by the spring retainer 6b, and the threaded rod 5e is
A handle 5f is provided at the other end of e.

Therefore, when the handle 5f is rotated from the ready state shown in FIG.
create tension between them. As in the case of the previous embodiment, the movement of the scale plate 6d can be visually observed from the arrow on the spring presser 6b to confirm that a predetermined tension has been applied.

FIG. 6 is a plan view of a rope fastening device according to a further different embodiment, in which the rotation of the screw stud 5e shown in FIG. A switch 9 is provided which stops the electric motor 8 when the power is applied.

The other configurations are the same as those in FIG. 5, and equivalent parts are given the same reference numerals. The switch 9 detects the tension applied between the rope 1 and the wedge-type rope socket 2 from the amount of movement of the clip presser 6a, and turns off the power to the electric motor 8 when the clip presser 6a reaches a predetermined position.

Therefore, the switch 9 constitutes a load detection mechanism together with the scale plate 6d, etc. By adding this load detection mechanism, a predetermined tension is applied between the rope 1 and the wedge-type rope socket 2 in just the right amount, and the rope 1 becomes reliable. You can increase your sexuality.

FIG. 7 is a plan view of a rope fastening device according to a further different embodiment. In this embodiment, a hydraulic device 5g applies tension between the rope 1 and the wedge-type rope socket 2, and the wedge-type rope socket 2 is connected to the drive shaft of the hydraulic device 5g via a tension pin 5d. . The other configurations are the same as in the case of FIG. 3, and almost the same effects can be obtained.

FIG. 8 and FIG. 9 are a front view and a plan view showing a rope fastening device according to still another embodiment of the present invention;
This is an improved configuration of the holding section 6 of the embodiment shown in the figure.

This embodiment is characterized in that a pair of positioning brackets 6e are fixed to the base 7 so as to face each other, and the spring presser 6b is held between the brackets 68 so that the fixing position thereof can be adjusted in the opposing direction. In other words, a pair of positioning brackets 6
e is provided with a plurality of pairs of through holes 6g in opposing parts,
A positioning pin 6f is inserted between the pair of through holes 6g to fix the spring presser 6b.

According to this embodiment, even when the lever 5b is rotated counterclockwise by a predetermined amount, the engagement of the rope 1 with the wedge-type rope socket 2 is loose, so that a predetermined tension is maintained between the rope 1 and the wedge-type rope socket 2. If the wedge-type rope socket 2 does not actually engage, that is, if the amount of movement of the wedge-type rope socket 2 is large depending on the state of engagement between the two, the position of the through hole 6g into which the positioning pin 6f is inserted can be changed, so the position of the spring presser 6b can be changed. , remove the clip, reposition the clip presser 6a so that the arrows on the scale plate 6d and the spring presser 6b are at the reference position, and prepare again. Therefore.

A predetermined tension can always be applied between the rope 1 and the wedge-type rope socket 2. This effect is achieved because the clip receiver 6a is provided for the fixed position spring holder 6b, and the clip receiver 6a contacts the part that receives the tension applied between the rope 1 and the wedge-type rope socket to constitute a load detection mechanism. can get.

In each of the above embodiments, the holding part 6 was configured on the left side of the wedge-type rope socket 2, and the drive mechanism 5 for applying tension to the right side was provided, but the positional relationship may be reversed, and the wedge-type rope socket The clip presser 6a may be placed in contact with a portion that receives tension, such as by forming a holding portion 6 between the socket 2 and the link 5a.

[Effects of the Invention] As explained above, the present invention includes a drive mechanism that applies tension between a rope and a wedge-type rope socket, and a load detection mechanism that detects when the applied tension reaches a predetermined value. Therefore, even if there are variations in the state of engagement between the rope and the wedge-type rope socket, a predetermined tension can always be applied while being checked by the load detection mechanism, so that highly reliable rope fastening can be obtained.

[Brief explanation of the drawing]

1 and 2 are front views showing a rope fastening device according to an embodiment of the present invention before and after fastening, respectively; FIG. 3 is a plan view of FIG. 1; and FIGS. 4 and 5 are A front view and a plan view of a rope fastening device according to another embodiment of the present invention, FIGS. 6 and 7 are plan views of a rope fastening device according to other different embodiments of the present invention, FIGS. 8 and 9. FIG. 2 is a front view and a plan view of a rope fastening device according to still another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Rope, 2... Wedge-type lobe socket, 4... Clip, 5... Drive mechanism, 6... Holding part, 6a ...Clip holder, 6b... Spring holder, 6c... Load detection spring, 6d... Scale plate, 6e... Positioning bracket, 6f...・・・Positioning pin, 6g・
...Through hole, 7...Base. Figure 1 I O-A 5c Supportive blindness 2
Loaf Soge Throat 6 ・Runiimo Liver 3 Stroke 6a Kuri Ruff Presser 4 - Rijha・Lbu 6b
-7 i) Kot5 h1 Mosquito l Pupil 11
6c Arrival 11*Out (Filled 5Q Link
6d Eye stealer anti-5b・-lever
?・H°'-2nd drawing C7z 3 351 Fig. 4 6c $5 Fig. 6 Fig. 7

Claims (1)

[Claims] 1. A rope fastening device comprising a drive mechanism that engages a wedge-type rope socket at the end of a rope and applies tension between the rope and the wedge-type rope socket, wherein the drive mechanism includes: A rope fastening device characterized by being provided with a load detection mechanism that detects tension applied by the rope. 2. In the device according to claim 1, the load detection mechanism includes a clip holder movably in contact with a portion to which tension is applied by the drive mechanism, and a spring holder fixed opposite to the clip holder. , comprising a load detection spring provided between the clip presser and a scale plate that detects from the amount of movement of the clip presser that the tension applied by the drive mechanism has reached a predetermined value. Rope fastening device. 3. In the device according to claim 1, the load detection mechanism includes a clip holder movably in contact with a portion to which tension is applied by the drive mechanism, and a clip holder provided opposite to the clip holder in an opposing direction. A spring holder fixed in a position adjustable manner, a load detection spring provided between the two holders, and a movement amount of the clip holder detect that the tension applied by the drive mechanism has reached a predetermined value. A rope fastening device characterized by comprising a scale plate.