JP2628545B2 - Traveling force measuring device for moving handrails - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling force measuring device for moving a handrail of a passenger conveyor, and more particularly to a traveling force of a moving handrail suitable for safely and easily measuring the traveling force of a moving handrail. It relates to a measuring device.

[Related Art] During operation of a passenger conveyor, when a large number of passengers are simultaneously caught by the moving handrail, the moving handrail may stop if the traveling force of the moving handrail is small. Then, only the conveyor part on which the passenger places his or her feet moves forward, and the moving handrail holding the passenger remains stopped, so that there is a risk that the passenger may fall backward. In order to prevent such a situation, in the passenger conveyor, the traveling force of the moving handrail is regularly measured and adjusted. For this reason, various types of traveling force measuring devices for moving handrails have been conventionally proposed. For example, as shown in JP-A-58-55831, a moving handrail has a pair of grippers. There has been proposed a traveling handrail traveling force measuring device including a gripper for gripping a moving handrail, a spring scale pulled by the gripping body, and a puller provided on the spring scale. In the conventional moving handrail traveling force measuring device configured as described above, the moving handrail is stopped by stopping the driving motor for driving the moving handrail, and the moving handrail is clamped by the gripper. The handrail is gripped by the gripper. Next, the drive motor is operated to move the moving handrail, and the operator pulls the spring scale puller in a direction opposite to the traveling direction of the moving handrail, and the scale of the spring scale is stopped in a state where the moving handrail is stopped. To read.

Further, as disclosed in Japanese Utility Model Laid-Open No. 163284/1986,
A gripping body having a pair of grippers and gripping the moving handrail, a fixed portion fixed to the balustrade across the moving handrail, and a magnet and a spring fixed to the gripping body via a cord-like body A spring balance is provided which is configured to be able to attract each other by magnets fixed to the fixed portion, and that the traveling force of the moving handrail is measured by releasing the attraction of these magnets. , The magnets in the attracted state are separated.

[Problems to be Solved by the Invention] By the way, in the above-mentioned conventional traveling force measuring device for a moving handrail, in the former, particularly, the work of attaching and detaching the gripping body to and from the moving handrail is very troublesome. There was a problem. On the other hand, in the case of providing the latter magnet, similarly to the former, the work of attaching and detaching the gripping body and the fixed portion to and from the moving handrail and the balustrade is not only troublesome, but also when the traveling force of the moving handrail reaches a specified value. , A pair of magnets in an attracted state are separated from each other, and these magnets are fixed via a spring or a string-shaped body and oscillate. There was sex.

SUMMARY OF THE INVENTION The present invention has been made in view of such a situation in the related art, and has as its object to provide a moving device that can easily attach / detach a gripping body to / from a moving handrail and can measure a traveling force of the moving handrail safely. An object of the present invention is to provide a handrail running force measuring device.

Means for Solving the Problems In order to achieve this object, the present invention provides a passenger conveyor having a pair of grippers that can abut on both sides of a moving handrail to grip the moving handrail. And a measuring body attached to the gripping body so as to be relatively movable and measuring a tensile force applied via a puller, and a moving handrail for measuring a running force of the moving handrail. In the running force measuring device, the measuring object is fixed to the measuring object and movably attached to the gripper, and the measuring object is moved relative to the gripper in a direction opposite to a traveling direction of the moving handrail. Moving the handrail so as to grip the moving handrail, and releasing the gripping of the moving handrail by moving the measuring object relative to the handrail in the same direction as the moving handrail. To operate the gripper Motive means,
A locking means is provided for locking the measuring body to the gripping body so that the measuring body cannot be moved relative to the gripper in a direction opposite to the traveling direction of the moving handrail. " It has a configuration.

[Operation] Since the running force measuring device of the present invention is configured as described above, before measuring the running force of the moving handrail, the measuring object is placed on the gripper and the moving handrail is measured when the running force is measured. By relatively moving the handrail in the same direction as the traveling direction, the gripper is operated so as to release the gripping of the moving handrail, and thereafter, the measuring body is locked to the gripper by the locking means. Is set so that the state is maintained. When measuring the traveling force of the moving handrail, hold the puller of the measuring object in this state, and attach the gripper to the moving handrail so that the grippers are located on both sides of the moving handrail. I do. Then, under the condition that the moving handrail is running, the locking of the measuring body to the gripping body is released,
When one of the pair of grippers is brought into contact with the moving handrail, the measuring object moves relatively to the gripper in a direction opposite to the traveling direction of the moving handrail, and as a result, the function of the operating means Accordingly, the gripper automatically grips the moving handrail. Subsequently, when the moving handrail is stopped by pulling the pull of the measuring object against the running force of the moving handrail, the tensile force applied via the pulling hand can be measured by the measuring object, whereby the moving hand can be measured. The running force of the sliding can be measured. After the measurement of the traveling force of the moving handrail is completed, the measuring object is moved faster than the traveling speed in the traveling direction of the moving handrail to move the measuring object relative to the gripper in the traveling direction of the moving handrail. And the measuring body is locked to the holding body by locking means. Then, the gripper,
The operation of the operating means automatically releases the gripping of the moving handrail, and this state is maintained by the locking means, so that the moving handrail resumes traveling and the gripper grips the moving handrail. The gripping body can be separated from the moving handrail during traveling without hindrance.

[Embodiment] An embodiment of the traveling handrail running force measuring device of the present invention will be described below with reference to the drawings.

1 to 6 are views for explaining an embodiment of a traveling force measuring device for a moving handrail according to the present invention. FIG. 1 is a perspective view showing a state of being attached to the moving handrail, and FIG. Front view, third
FIG. 4 is a side view, FIG. 4 is a plan view showing a measuring object, FIG. 5 is a plan view showing a gripper, and FIG. 6 is a side view of the passenger conveyor showing a state at the time of measuring the traveling force of the moving handrail. .

As shown in FIG. 1, a traveling force measuring device for a moving handrail according to the present embodiment includes a grasping body 2 that grasps a moving handrail 1 and a measuring body that is relatively movably attached to an upper portion of the grasping body 2. 3, a connecting body 4 for connecting the measuring body 3 to the holding body 2,
Locking means 5 capable of locking the measuring body 3 to the gripping body 2.

As shown in FIG. 2, the gripper 2 includes a gripper 13 which can be in contact with one side 1a of the moving handrail 1 via a friction element 11, and a friction element 12 which is in contact with the other side 1b. And a gripper 14 which can be contacted through the gripper, and is disposed above the grippers 13 and 14, and as shown in FIG. A pair of U-shaped grooves 15 and 16 that are close to each other along with a plate body 19 in which similar grooves 17 and 18 are formed, and are movably fitted into the grooves 15 and 17 on one side, respectively. Pin 2 fixed to one gripper 13
0, 21 and pins 22, 23, which are movably fitted into the other grooves 16, 18, respectively, and are fixed to the other gripper 14, and the grippers 1
And a guide plate 24 arranged in a direction orthogonal to the longitudinal direction of each of the third and the fourth. The guide plate 24 is fitted into a groove 25 formed on the upper part of one gripper 13 and is screwed to the gripper 13 via screws 26 and 27, and formed on the upper part of the other gripper 14. The groove 28 is movably fitted into the groove 28. The plate 19 and the pins 20 to 23 in which the above-described grooves 15 to 18 are formed constitute operating means for operating the grippers 13 and 14, and move the measuring body 3 with respect to the grippers 13 and 14. When the handrail 1 is relatively moved in the direction opposite to the arrow A direction, which is the traveling direction of the handrail 1, the gripper is held so as to grip the moving handrail 1.
When the measuring objects 3 are moved relative to the grippers 13 and 14 in the direction of arrow A, the grippers 13 and 14 are operated so as to release the grip of the moving handrail 1. Let it.

As shown in FIG. 2, the above-mentioned connecting body 4 has a U-shaped vertical cross section, and both ends 31, 32 arranged below contact the plate body 19 of the gripping body 2 and one end 31 thereof. Is bolt 3
3. The other end 32 is fixed to the plate 19 with a bolt 34.

The above-mentioned measuring body 3 is arranged on the upper plate portion 35 of the connecting body 4 as shown in FIG. 2 and is screwed with the bolt 33, and as shown in FIG. , A detecting unit (not shown) for detecting a tensile force applied through the pulling unit 36, a display unit 37 for displaying the tensile force detected by the detecting unit, and a detecting unit And an operation switch 38 for operating the display unit 37.

As shown in FIG. 3, the above-mentioned locking means 5 is formed in an inverted S-shape, and can be engaged with an engaging portion formed at one end of the holding body 2, for example, a side end 24a of the guide plate 24. And a stopper 43 provided at the other end with a lever 42 as an operation unit that can be pressed by an operator, and a fulcrum that supports the stopper 43 in a rotatable manner and is fixed to the connection body 4. 44, a spring 45 attached between the connector 4 and the stopper 43, and for applying a clockwise turning force to the stopper 43 in the clockwise direction in FIG. A stopper 46 for preventing rotation at a predetermined position. The stopper 43 is a connecting member 4
Is specially provided to support the connecting member 4, so that the lever 42 can be provided at a position where the thumb can be operated while the puller 36 is gripped as shown in FIG.

In this embodiment, when measuring the running force of the moving handrail 1, the operator first moves the plate body 19 relative to the grippers 13, 14 in the direction indicated by the arrow A in FIG. Move.
Accordingly, the pins 20, 21 of the gripper 13
It is guided to the left side of FIG.
The gripper 13 moves in a direction away from the other gripper 14. Similarly, the other gripper 14 is
, And is guided by the guide plate 24 so as to move in parallel with the one gripper 13. Then, in this state, the stopper 43 is rotated clockwise in FIG. 3, and the pawl 41 is engaged with the side end 24a of the guide plate 24, thereby locking the measuring body 3 to the gripping body 2. .

Next, the operation switch 38 of the measuring object 3 is turned on, and the sixth
Attach the gripping body 2 to the moving handrail 1 at the entrance 6 shown in the figure,
The grippers 13 and 14 are arranged on both sides of the moving handrail 1. In this case, when the moving handrail 1 is running, the gripping body 2 is mounted on the moving handrail 1 as it is, and when the moving handrail 1 is stopped, the gripping body 2 is moved. After mounting on the handrail 1, the moving handrail 1 is run. Then the first
As shown in the figure, the pawl 41 is removed from the side end 24a of the guide plate 24 by grasping the pull 36 of the measuring body 3 with the left hand and pressing the lever 42 of the stopper 43 with the thumb thereof. The locking of the measured body 3 to the grip body 2 is released. In this state, when one of the grippers 13 and 14 is brought into contact with the moving handrail 1, the grippers 13 and 14 are driven in the direction indicated by arrow A in FIG. Is done. On the other hand, since the pull 36 is gripped as described above,
It relatively moves with respect to the grippers 13 and 14 in the direction opposite to the direction indicated by the arrow A in FIG. The operating means operates the grippers 13 and 14 in accordance with the relative movement of the measuring body 3, so that one of the grippers is attached to one side 1 a of the moving handrail 1.
13 abuts via the friction element 11, and the other gripper 14 abuts on the other side 1 b via the friction element 12.
Automatically grips the moving handrail 1 during traveling and pulls the measuring object 3 through the connecting member 4. Then, the puller 36 is moved against the traveling force of the moving handrail 1 by an arrow A in FIG.
The moving handrail 1 is stopped by pulling in the direction opposite to the direction indicated by the arrow, and at this time, the detected value of the tensile force displayed on the display unit 37 is read.

After reading the detection value on the display unit 37 as described above, the measuring object 3 is moved in the direction indicated by the arrow A in FIG. 1 faster than the traveling speed of the handrail 1, and the thumb is pushed from the lever 42 of the stopper 43. Let go. Along with this, together with the measuring body 3, the connecting body 4, the locking means 5, and the plate body 19 relatively move with respect to the grippers 13, 14 in the direction shown by the arrow A in FIG.
The stopper 41 is rotated by the force of the spring 45 until the stopper 43 is stopped by the stopper 46, and the pawl 41 is engaged with the side end 24a of the guide plate 24,
That is, the measuring body 3 is locked to the holding body 2 by the locking means 5. With the movement of the plate 19 described above, the pins 20 to 23 slide in the grooves 15 to 18, respectively, so that the grippers 13 and 14 are separated from the side portions 1a and 1b of the handrail 1, and the handrail is moved. Since the grip of the handrail 1 is automatically released, the moving handrail 1 can run again. In this state, the gripper 2 is separated from the moving handrail 1 during traveling. In this case, since the grippers 13 and 14 are held by the locking means 5 in a state where the grip of the moving handrail 1 is released, the grippers 13 and 14 are moved in the process of detaching the gripper 2 from the moving handrail 1. The moving handrail 1 during traveling can be prevented from being gripped, and can be separated without any trouble.

In the embodiment configured in this manner, the gripping body 2 can be easily attached to and detached from the moving handrail 1 while traveling without performing complicated operations, and the measuring body 3 can be moved while the traveling force is being measured.
As a result, the traveling force of the moving handrail 1 can be measured safely. In this case, the lever 42 as an operating portion of the locking means 5 is particularly provided with a pull handle.
Since it is provided at a position where the thumb can be operated while holding the handrail 36, the operation for measuring the running force of the handrail 1 such as the operation of attaching and detaching the gripper 2 to and from the handrail 1 can be performed with only the left hand. As a result, the traveling force of the moving handrail 1 can be measured more easily. Furthermore, when the grippers 13 and 14 abut against the side portions 1a and 1b of the handrail 1, respectively, the guide plate 24 allows the other gripper 14 to always move in parallel with respect to the one gripper 13. As a result, these grippers 13 and 14 uniformly adhere to the side portions 1a and 1b, respectively, so that damage to these side portions 1a and 1b can be prevented.

In the present embodiment, the pawl 41 is engaged with the side end 24a of the guide plate 24. Instead of the side end 24a of the guide plate 24, the pawl 41 is engaged with the side of the gripper 14. The same effect can be obtained even if the fitting metal fitting is specially provided.

Further, in this embodiment, the locking means 5 is provided on the left side of the measuring body 3 so that the puller 36 is gripped by the left hand and the lever 42 of the locking means 5 is pressed by the thumb of the left hand. It is also possible to provide the locking means 5 on the right side of the measuring body 3, hold the puller 36 with the right hand, and press the lever 42 of the locking means 5 with the right thumb.

Further, in the present embodiment, the display unit 37 for displaying the detected value of the tensile force is provided on the measuring body 3. However, if the display unit 37 is provided with a storage unit for storing the detected value of the tensile force, the display unit 37
Not only can the reading value of the moving handrail 1 be reliably read, but also the traveling force of the moving handrail 1 can be measured more easily.

[Effects of the Invention] As is clear from the above description, according to the present invention, a moving handrail that can easily attach / detach to / from the moving handrail and can measure the traveling force of the moving handrail safely. Is obtained. When practicing the present invention,
In particular, if the configuration described in claim 2 of the claims is adopted, an operation for measuring the traveling force of the moving handrail, such as attaching and detaching the gripper to and from the moving handrail, can be performed with one hand. The running force of the moving handrail can be measured more easily.

[Brief description of the drawings]

1 to 6 are views for explaining an embodiment of a traveling force measuring device for a moving handrail according to the present invention. FIG. 1 is a perspective view showing a state of being attached to the moving handrail, and FIG. Front view, FIG. 3 is a side view, FIG. 4 is a plan view showing a measuring object, FIG. 5 is a plan view showing a gripper, and FIG. 6 is a passenger conveyor showing a state at the time of measuring the traveling force of a moving handrail. FIG. 1 ... moving handrail 2 ... gripping body 3 ... measuring body 4 ...
... Connected body, 5 ... Locking means, 13,14 ... Grip, 15-18
… Groove, 19… Plate, 20-23… Pin, 24a… Side end (engagement part), 36… Pull, 43… Fix, 44… Support point, 45… Spring .

Continuation of the front page (56) References JP-A-1-267293 (JP, A) JP-A-3-166195 (JP, A) JP-A-1-121087 (JP, U) JP-A-5-6314 (JP) , Y2)

Claims (2)

(57) [Claims] 1. A handrail having a pair of grippers that can be respectively contacted on both sides of a moving handrail of a passenger conveyor, and a gripper that holds the moving handrail, and is attached to the holding body so as to be relatively movable. And a measuring body for measuring a tensile force applied via a puller, and in a traveling handrail traveling force measuring device for performing traveling force measurement of the moving handrail, fixed to the measuring object, and The gripper is attached to the gripper so as to be relatively movable, and when the measuring object is moved relative to the gripper in a direction opposite to the traveling direction of the moving handrail, the gripper is gripped so as to grip the moving handrail. Actuating means for operating the gripper so as to release the gripping of the moving handrail when the measuring body is moved relative to the gripper in the same direction as the traveling direction of the moving handrail; Travel direction of moving handrail with respect to child Traveling force of the moving handrail, characterized in that the measuring body so that it can not be moved relatively in the opposite direction is provided a locking means which can be locked in the grip body measuring device. 2. The movement according to claim 1, wherein the locking means includes an operation section operable with a thumb, and the operation section is provided at a position operable with a thumb while gripping a puller. Handrail running force measuring device.