JPH0110298Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to an automatic door opening/closing device for a ropeway carrier in which a carrier suspended from an overhead cable is operated by a hoisting machine, etc. The purpose is to automatically open and close the door by engaging with the opening/closing guide plate on the ground equipment side of the station platform.

As shown in FIGS. 1 and 2, the conventional door opening/closing device for this type of ropeway carrier has a door supporting piece b protruding from a rod a that constitutes a part of the opening/closing mechanism of the door (not shown). At the same time, one end of the rod a is pivotally connected to the carrier body d via a rotation joint c, and from another opening/closing mechanism part (not shown) connected to the other end of the rod a via a rotation joint e. With the rod a rotating in response to the transmission,
The door is automatically opened and closed by rolling a roller f attached to the door support piece b on a guide plate g (see FIG. 3). In this case, the height of the rod a is adjusted by means of a spacer h in the rotation joint c and a long hole i for roller vertical adjustment bored in the door support piece b. Therefore, it is difficult to adjust the height of the rod a without force due to its strength, and furthermore, when the door is opened or closed, an unreasonable force is applied to the rod a due to the irregularity in the height direction of the guide plate g. There was a problem.

This invention was made with the intention of solving the above problem, and its gist is that the other end of the first rod is pivoted at one end to the carrier body via the base side rotation joint. At the same time, one end of a second rod whose other end can rotate and move linearly with respect to the carrier body is pivotally connected, and one end of a third rod is pivotally connected to the intermediate part of the second rod. At the same time, an opening/closing mechanism is provided at the other end of the third rod with an opening/closing follower that can engage with the opening/closing guide plate on the ground equipment side via a rotation joint and a lever, and the second rod and The third rod is equipped with a door emergency opening/closing shock absorber and a lock shock absorber, and the first rod is formed so that it can be separated, making it easy to attach the door to the carrier. An object of the present invention is to provide an automatic door opening/closing device for a ropeway carrier, which is characterized in that the height and attachment can be easily adjusted.

Examples of this invention are shown below in Figures 4 to 19.
This will be explained based on the diagram.

Fig. 4 shows a side view of the ropeway carrier equipped with the automatic door opening/closing device of this invention when the door is closed, Fig. 5 shows its plan view, and Fig. 6 shows a plan view when the door is closed. . The ropeway carrier has the carrier body 1
Curved doors 2 and 3 are provided at the front and rear ends in the traveling direction A, and these doors 2 and 3 can be opened and closed at the same time in a substantially horizontal direction by an opening/closing mechanism 4, which will be described later. In addition, at the upper end of the carrier body 1, there is a hanging fitting 5 for hanging the carrier from a cable (not shown).
5 is provided protrudingly. In addition, doors 2 and 3 have windows 6,
6 is provided.

As shown in FIGS. 7 to 9, the opening/closing mechanism 4 includes first rods 8, 8, one end of which is pivotally connected to the carrier body 1 via base-side rotation joints 7, 7. Second rods 9, 9, one end of which is pivotally connected to the other end of the first rods 8, 8 via rotation joints 10, 10; A third rod 14, 1 is rotatably and linearly movable relative to the rod 12, and one end thereof is pivotally connected to the intermediate portion of the second rod 9, 9 via a rotation joint 13, 13.
4, and an opening/closing follower such as an opening/closing roller that can be engaged with the opening/closing guide plate 17 or 18 on the ground equipment side via the rotation joints 15, 15 and the opening/closing lever 16 at the other ends of the third rods 14, 14. It consists of 19. In this case, a roller 21 that rolls on a guide plate 20 provided on the carrier body 1 when the first rod 8 swings is rotatably attached to the first rod 8 slightly closer to the base than the middle part thereof. (10th
(see figure). Further, as shown in FIGS. 10 and 11, the first rod 8 is divided into two parts, a proximal rod 8a and a roller rod 8b. After inserting the tip of the roller side rod 8b into the recess 22 of the
3 and a nut 24. In addition, the manner of connecting the base side rod 8a and the roller side rod 8b is other than the above-mentioned method. For example, as shown in FIGS. The tip of the roller side rod 8b is inserted into the rod and connected with a bolt 26 and a nut 27, or as shown in FIG. 14, a screw hole 28 and a nut 28a provided in the base side rod 8a
It is conceivable that the tip end male threaded portion 29 of the roller side rod 8b is screwed to the roller side rod 8b.

Further, the base side rotation joint 7 has a tenth
As shown in the figures and FIG. 11, a spherical bearing 31 is provided on the bolt 30 implanted in the carrier body 1, and the base side rod 8a of the first rod 8 is rotatably attached to the spherical bearing 31, and It has a structure in which it is pivoted so that it can swing slightly in a direction perpendicular to the rotating surface. Therefore, the spherical bearing 31
height adjustment spacer 32 and/or height adjustment spacer 3 interposed between the guide plate 20 and the carrier body 1
By adjusting 3, the height can be easily and reliably adjusted. Alternatively, as shown in FIG. 15, the base-side rod 8a of the first rod 8 may be pivoted to the bolt 30 with an elastic member 34 such as rubber interposed instead of the spherical bearing 31. good.

On the other hand, a door emergency opening/closing buffer 35 as shown in FIG. 16 or 17 is attached to the second rod 9. That is, a cylinder 36 is fixed to one of the two divided rods 9a and 9b, a piston 37 is fixed to the other rod 9b and is slidable inside the cylinder 36, and the cylinder 36 and the piston 37 are connected to each other. A door emergency opening/closing shock absorber 35 is constituted by a spring 38 compressed between the two. Note that 39 and 40 are stoppers that respectively restrict the contraction or expansion of the second rod 9 by a certain amount.

A locking buffer 41 as shown in FIG. 18 and/or FIG. 19 is attached to the third rod 14. In this case, the lock buffer 41
Similarly to the door emergency opening/closing buffer 35, one of the two divided rods 14a and 14b is
The cylinder 42 is fixed to the cylinder 4b, the piston 43 is fixed to the cylinder 42 and is slidable inside the cylinder 42, and the spring 44 is compressed between the cylinder 42 and the piston 43. There is. Note that 45 and 47 are stoppers.

Further, the end of the opening/closing lever 16 opposite to the opening/closing roller 19 is pivotally connected to the carrier main body 1 via a rotation joint 45, and the intermediate part of the opening/closing lever 16 and the first rod 8 , 8 are tensioned with tension springs 46, 46, and the opening/closing lever 16 is normally drawn toward the closing side (see FIG. 9).

In the automatic door opening/closing device of this invention configured as described above, the ropeway carrier enters the station platform with the doors 2 and 3 closed, and the opening/closing follower is placed on the opening/closing guide plate 17 installed on the ground side. When the rollers 19 come into contact and move, the force is first transmitted to the opening/closing lever 16, and then to the second rods 9, 9 via the rotation joints 15, 15, the third rods 14, 14, and the rotation joints 13, 13. At this time,
The rotation joint 11 moves along the guide plate 12. Furthermore, the transmission force is transmitted through the rotating joints 10, 10,
This is transmitted to the first rods 8, 8, and the doors 2, 3 are opened using the base side rotation joints 7, 7 and 7a, 7a attached to the carrier body 1 as pivots. At this time, the rollers 21, 21 attached to the first rods 8, 8 move along the guide plates 20, 20.

In addition, when the opening/closing roller 19 comes into contact with the closing guide plate 18 installed on the ground side while the doors 2, 3 are open, the opening/closing mechanism 4 is operated in the same way as described above, and the doors 2, 3 are opened. close. In this case, the rotation joints 15, 15 are the rotation joints 13, 13.
It is necessary to exceed the dead center on the straight line 13, 13 connecting them. Therefore, the opening/closing mechanism 4 is in a locked state, and the doors 2 and 3 can be prevented from opening naturally. At this time, in this idea,
The third rods 14, 14 are provided with shock absorbers 41, 41 including a spring system, and the second rods 9, 9 are also provided with similar shock absorbers 35, 35, so that the lock can be easily and reliably secured. can do.

In addition, in order to open doors 2 and 3 from inside the carrier in an emergency during operation, etc., open door 2 by inputting from inside.
Or, by applying a force to the door opening direction, the mechanism allows the doors 2 and 3 to be opened to the extent that the signal flag can be easily exposed to the outside using human power. That is,
The force transmitted to the door 2 or 3 is transmitted to the door support pieces 2a, 3.
It is transmitted to the first rods 8, 8 via a, and further,
The doors 2, 3 can be opened slightly by compressing the spring-based shock absorbers 35 or 41 provided on the second rod 9, third rod 14, etc. via the rotating joints 7, 10, 13, etc. can.

Further, as mentioned above, the third rod 14,1
The rotation joints 15, 15 of No. 4 pass the dead center, and at this time, the compression springs 38, 44 of the shock absorbers 35, 41 act to reliably lock the opening/closing mechanism, so that the doors 2, 3 do not open in the closed state. There is no risk of it opening unexpectedly.

As explained above, according to the automatic door opening/closing device of this invention, the door can be easily opened/closed by the engagement between the door opening/closing mechanism installed on the carrier and the opening/closing guide plate on the ground equipment side on the station platform. Moreover, when the door is closed, the lock mechanism works to prevent the door from opening unexpectedly, and in the event of an emergency during operation, the door can be opened to the extent that the signal flag can be easily released outside by input from inside the carrier. can be made possible. Further, according to the automatic door opening/closing device of this invention, the base side rotation joint constituting the door opening/closing mechanism is configured with a spherical bearing or an elastic member, and the first
Since the rod is splittable, the height can be easily adjusted when installing the door, and it can be adjusted reliably without using excessive force. The utility value is remarkable.

[Brief explanation of the drawing]

Figure 1 is a plan view of a rod constituting a conventional door opening/closing device, Figure 2 is a side view thereof, Figure 3 is an enlarged sectional view taken along the - line in Figure 1, and Figure 4 is an automatic door mechanism of this invention. A side view of the ropeway carrier equipped with an opening/closing device when the door is closed, Fig. 5 is a plan view thereof, Fig. 6 is a plan view of the ropeway carrier when the door is closed, and Fig. 7 is a view of the door opening of the door opening/closing mechanism in this invention. Plan of Time, No. 8
The figure is a plan view of the door opening/closing mechanism when the door is closed.
Fig. 10 is a partially sectional side view showing the first rod and base side rotation joint in this invention, Fig. 11 is a plan view thereof, and Fig. 12 shows the first rod in this invention. 13 is a sectional view taken along the line - in FIG. 12, FIG. 14 is a partially sectional side view showing still another embodiment of the first rod, and FIG. 15 is a side view showing another embodiment of the first rod. 16 and 17 are sectional views showing another embodiment of the door emergency opening/closing buffer according to this invention, and FIGS. 18 and 19 are sectional views showing another embodiment of the base side rotation joint. FIG. 7 is a sectional view showing another embodiment of the lock buffer according to the invention. In the figure, 1...Carrier body, 2, 3...Door,
4... Door opening/closing mechanism, 7... Base side rotation joint, 8... First rod, 9... Second rod,
10, 11, 13, 15, 45... Rotating joint, 14... Third rod, 16... Opening/closing lever, 17, 18... Opening/closing guide plate, 19... Opening/closing roller (opening/closing follower), 22 ...Recess, 23, 26
... Bolt, 24, 27 ... Nut, 25 ... Two prongs, 28 ... Screw hole, 28a ... Nut, 29
... Male threaded part, 30 ... Bolt, 31 ... Spherical bearing, 32, 33 ... Height adjustment spacer, 34 ... Elastic member, 35 ... Door emergency opening/closing buffer, 36 ...
Cylinder, 37... Piston, 38... Spring, 41... Lock shock absorber, 42... Cylinder, 43... Piston, 44... Spring.

Claims (1)

[Claims for Utility Model Registration] 1. In a ropeway carrier suspended from an aerial cable and operated by a hoisting machine, etc., one end of the ropeway carrier is pivotally attached to the carrier body via a rotation joint on the base side. A door is attached to the other end of the first rod, and one end of a second rod whose other end is rotatably and linearly movable with respect to the carrier body is pivotally connected, and a second rod is attached to the intermediate portion of the second rod. 3
One end of the rod is pivotally connected, and this third
The second rod is equipped with an opening/closing mechanism which is equipped with an opening/closing follower that can engage with the opening/closing guide plate on the ground equipment side via a rotating joint and a lever, and the second rod is equipped with a door emergency opening/closing mechanism. An automatic door opening/closing device for a ropeway carrier, wherein a shock absorber is attached, a lock shock absorber is attached to the third rod, and the first rod is formed to be divisible. 2. The automatic door opening/closing device for a ropeway carrier according to claim 1, wherein a part of the base-side rotation joint is constituted by a spherical bearing. 3. The automatic door opening/closing device for a ropeway carrier according to claim 1, wherein a part of the base-side rotation joint is made of an elastic member such as rubber.