JP2021021194A - Floor joint device - Google Patents

Abstract

To provide a floor joint device capable of absorbing oscillation movement even when horizontal oscillation amplitude of a skeleton due to an earthquake is large, and allowing passing of a heavy load like a vehicle.SOLUTION: A floor joint device is composed of: one side skeleton provided on a skeleton installation surface via a first isolator; the other skeleton facing the one side skeleton via a joint part and provided on the skeleton installation surface via a second isolator; a joint plate support member provided at a roughly central part of the joint part integrally with the skeleton installation surface; one side joint plate with one end supported by the one side skeleton and the other end supported by the joint plate support member; the other side joint plate with one end supported by the other skeleton and the other end supported by the joint plate support member; a cover plate provided above the joint plate support member and covering at least the one side joint plate and the other end of the other side joint plate; and a center keeping mechanism for placing the roughly central part of the cover plate at the roughly central part of the joint part.SELECTED DRAWING: Figure 1

Description

The present invention relates to a floor joint device that closes joints between skeletons provided via joints.

Conventionally, as a floor joint device that closes a joint portion between one skeleton and the other skeleton, for example, a plurality of support members provided on the left and right skeletons and the left and right skeletons have a predetermined interval in the front-rear direction. A plurality of link mechanisms provided therein and a floor joint device that is supported by a support member and is pivotally supported by a plurality of joint portions of the link mechanism to close the joint portion are known (Patent Document 1). ).
In such a floor joint device, it is possible to deal with it if the width of the left and right swing is large, but the joint cover is supported by a support member, and this support member only applies a load similar to that of a person or a light vehicle. Although there is no problem, there is a risk of damage or dropout when a heavy vehicle such as a forklift passes through.

JP-A-2018-3519

In view of the above-mentioned conventional drawbacks, the present invention provides a floor joint device capable of absorbing the swaying motion of the left and right skeletons due to an earthquake even if the swaying motion is large, and allowing heavy objects such as vehicles to pass through. It is an object.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in light of the accompanying drawings.
However, the drawings are for illustration purposes only and do not limit the technical scope of the present invention.

In order to achieve the above object, the floor joint device according to claim 1 of the present invention has one skeleton provided on the skeleton installation surface via a first isolator, and the one skeleton and joint portion. The other skeleton that faces the skeleton and is provided on the skeleton installation surface via the second isolator, and the joint plate support member that is integrally provided at the substantially central portion of the joint portion with the skeleton installation surface. And one joint plate whose one end is supported by the one skeleton and the other end is supported by the joint plate support member, and one end thereof which is supported by the other skeleton, and the joint plate support member. The other joint plate on which the other end is supported, a cover plate provided above the joint plate support member and covering at least the one joint plate and the other end side of the other joint plate, and the cover. It is characterized in that it is composed of a central maintenance mechanism that positions a substantially central portion of the plate at a substantially central portion of the joint portion.

In the floor joint device according to claim 2, even if the first and second isolators change their postures in the left-right direction during an earthquake, the one and other joint plates are linked to the posture changes of these isolators. The upper surface of the joint plate support member is slid directly or indirectly.

The one joint plate and the other end side of the other joint plate of the joint device according to claim 3 are supported by the joint plate support member via a sliding material.

The joint plate support member of the joint device according to claim 4 is provided with a cover plate support mechanism for supporting the bottom surface of the cover plate.

The one joint plate of the joint device according to claim 5 includes a plurality of one bar members whose one end is supported by the one skeleton and whose other end is supported by the joint plate support member. It is composed of one plate-shaped joint plate body fixed to the upper surface of a plurality of one bar members, one end of the other joint plate is supported by the other skeleton, and the other end is the joint plate. The cover plate support mechanism is composed of a plurality of other bar members supported by the support member and a plate-shaped other joint plate body fixed to the upper surface of the plurality of other bar members. A plurality of plate support members are rotatably provided at predetermined intervals so that the cover plate can be supported in an upright state and lateral to either the one joint plate or the other joint plate. It is characterized by comprising a support that can rotate when pressed from the joint and an urging tool that urges the plurality of supports so as to be in an upright state.

As is clear from the above description, the following effects can be obtained in the present invention.
(1) In each of the inventions according to claims 1 and 2, since one and the other joint plates are used and the joint plate support portion is provided at a substantially central portion of the joint portion, the swinging width is large and wide. Even the joints can be closed and the shaking caused by the earthquake can be absorbed.
(2) Further, since both ends of the plurality of joint plates can be supported and the load can be dispersed, heavy objects can also pass through.
(3) Also in the invention according to claim 3, the effects (1) and (2) described above can be obtained, and the joint plate can be smoothly slid and moved in the event of an earthquake.
(4) Also in the invention according to claim 4, the effects (1) to (3) described above can be obtained, and the cover plate can be prevented from bending.
(5) Also in the invention according to claim 5, the effects of (1) to (4) above can be obtained, the rigidity of the joint plate is increased, and the bottom surface of the cover plate is always supported even in the event of an earthquake. Can be done.

1 to 8 are explanatory views showing a first embodiment of the present invention.
9 and 10 are explanatory views showing a second embodiment of the present invention.
The plan view of the joint device of 1st Embodiment. FIG. 2 is a cross-sectional view taken along the line 2-2 of FIG. Explanatory drawing of left and right skeleton and joint plate support member. Explanatory drawing of one joint plate. Explanatory drawing of the other joint plate. Explanatory drawing of the cover plate support mechanism. An operation explanatory view from the front view side when the joint part becomes narrow due to an earthquake. An operation explanatory view from the front view side when the joint part becomes wide due to an earthquake. The plan view of the joint device of the 2nd Embodiment. FIG. 9 is a cross-sectional view taken along the line 10-10 of FIG.

Hereinafter, the present invention will be described in detail in accordance with the embodiments shown in the drawings for carrying out the present invention.
In the first embodiment for carrying out the present invention shown in FIGS. 1 to 8, 1 is a floor joint installed between one skeleton 3 and the other skeleton 4 provided on the left and right via joints 2. It is a device.
The left-right direction is the left-right direction in FIG. 1, the front-back direction means the up-down direction in FIG. 1, and the up-down direction means the up-down direction in FIG.

In the present invention, the skeleton refers to a structure in which joint plates such as buildings, roads, slabs, and elevator shafts can be installed, and the entrance / exit is not only an entrance / exit provided with doors and doors, but also people and vehicles can pass through. It also includes passages.

As shown in FIGS. 1 and 2, the floor joint device 1 has one skeleton 3 provided on the skeleton installation surface 5 via a first isolator 6, and the one skeleton 3 and the joint portion 2. The other skeleton 4 which is opposed to the skeleton installation surface 5 and is provided on the skeleton installation surface 5 via a second isolator 6 is provided integrally with the skeleton installation surface 5 at a substantially central portion of the joint portion 2. One joint plate 8 whose one end is supported by the joint plate support member 7 and one of the skeletons 3 and at least the other end is supported by the joint plate support member 7, and the other skeleton 4 thereof. The other joint plate 9 having one end supported and at least the other end supported by the joint plate support member 7, and the one joint plate 8 and the other joint plate 8 provided above the joint plate support member 7. A cover plate 10 that covers at least the other end side of the joint plate 9, a central maintenance mechanism 11 that positions a substantially central portion of the cover plate 10 at a substantially central portion of the joint portion 2, and a joint plate support member 7 are provided. It is composed of a cover plate support mechanism 12 that supports the bottom surface of the cover plate 10.

On the other hand, as shown in FIG. 3, for example, the skeleton 3 is provided on the skeleton installation surface 5 integrated with the ground or the like via a first isolator (left side in FIG. 2), and is provided on the joint portion 2 side. One end of one joint plate 8 is supported by the joint plate support portion 13 provided on the floor surface or the wall surface.

In the present embodiment, the skeleton installation surface 5 is a foundation portion formed on the ground surface, and the skeleton installation surface 5 is a ground surface of the ground or a pavement surface that sways together with the ground during an earthquake. It includes slabs and the like.

As shown in FIG. 3, for example, the other skeleton 4 is provided on the skeleton installation surface 5 via a second isolator 6 (on the right side in FIG. 2), and is substantially horizontal to the wall surface on the joint portion 2 side in the front-rear direction. A rail member 14 extending to the surface is provided. One end of the other joint plate 9 is supported by the rail member 14 so as to be slidable in the front-rear direction.

As shown in FIG. 3, the joint plate support member 7 is integrally formed with the skeleton installation surface 5 and is formed in a substantially T-shape in front view, and one and the other joint plates 8 and 9 are formed on the upper surface thereof. Support the other end directly or indirectly.

The term "integrally formed with the skeleton installation surface 5" means that the skeleton installation surface 5 may be fixedly provided, and the skeleton installation surface 5 may be formed separately from the skeleton installation surface 5 and fixedly attached. When the skeleton installation surface 5 is a slab or the like, the slab and the like integrally formed with the slab are also included.

A sliding member 15 is provided on the upper surface of the skeleton installation surface 5, and the other ends of the joint plates 8 and 9 on one side and the other side are formed so as to be smoothly slidable.

As shown in FIG. 4, the one joint plate 8 extends in the left-right direction and has a predetermined interval in the vertical direction, and one of the plurality of bar members 16 and one of the plurality of bar members 16 in the present embodiment. It is composed of a square or rectangular joint plate body 17 having a predetermined thickness fixed to the upper surface of the bar member 16 of the above. One end of the plurality of bar members is attached and supported by a joint plate support portion 13 provided on one of the skeletons 3, and the other end thereof is supported by the joint plate support member 7 via a sliding member 15. ing. That is, the one joint plate 8 is provided so as to close the joint portion 2a between the one skeleton 3 and the joint plate support member 7.

As shown in FIG. 5, the other joint plate 9 extends in the left-right direction and has a plurality of other bar members 18 having a predetermined interval in the vertical direction, and the upper surfaces of the plurality of other bar members 18. It is composed of the other joint plate main body 19 having a square shape or a rectangular shape and a plate shape fixed to. One end of the other bar member 18 is supported by a rail member 14 provided on the other skeleton 4 via a sliding member 20, and the other end is supported by a joint plate supporting member 7 via a sliding member 15. Has been done. Therefore, the other joint plate 9 is provided so as to close the joint portion 2b between the other skeleton 4 and the joint plate support member 7.

The other end of one joint plate 8 and the other end of the other joint plate 9 are provided so as to be separated from each other so as to be able to absorb the lateral swaying width due to the earthquake, and the joint plate support member 7 is also provided. The width is formed so as to be able to absorb the width of the shaking caused by the earthquake (the other end of the joint plates 8 and 9 does not fall off even if the joint portion 2 is widened).

In this way, the entire joint portion 2 is closed by the one joint plate 8, the other joint plate 9, and the cover plate 10.

The plurality of one bar members 16 and the plurality of other bar members 18 are each provided with a connecting rail 21 fixed to the bottom surface near one end thereof and extending in the front-rear direction, and one joint. In the plate 8, the connecting rod 21 is attached to the joint plate support portion 13, and in the other joint plate 9, the sliding member 20 is attached to the connecting rod 21, and is supported by the rail member 14 via the sliding member 20.

In the present embodiment, the cover plate 10 has a plate shape and is formed to have substantially the same shape as the joint plate support member 7 in a plan view, and is supported on the upper surface of one and the other joint plates 8 and 9 on the other end side. It is provided in a state. The cover plate 10 always covers the vicinity of the other ends of one and the other joint plates 8 and 9, and covers the joint plate 8 and the other joint plate 9 so as not to form a step.

Further, the central maintenance mechanism 11 is provided so that the substantially central portion of the cover plate 10 is always located at the substantially central portion of the joint portion 2.

The center maintenance mechanism 11 includes a pair of racks 22 provided between the left and right skeletons 3 and 4, and a pinion 23 which meshes with the pair of racks 22 and whose center is located substantially in the center of the joint portion 2. It is composed of a connecting means 24 for connecting the central portion of the pinion and the cover plate 10, and a holding means 25 for holding the rack 22 and the pinion 23 in a meshed state.

As shown in FIG. 6, a plurality of cover plate support mechanisms 12 are rotatably provided on the joint plate support members 7 at predetermined intervals, and can support the cover plate 10 in a substantially upright state. The support 26 that can rotate when pressed from the side by either the one joint plate 8 or the other joint plate 9 and the plurality of support 26s are in an upright state. It is composed of an urging tool 27 that urges each of the above.

This support 26 is rotatably attached to the other skeleton 4 side if it is located on one skeleton 3 side from the central portion of the joint plate support member 7, and is rotatably attached to the other skeleton 4 side from the central portion of the joint plate support member 7. Those located on the skeleton 4 side are rotatably attached to one skeleton 3 side. By attaching in this way, the cover plate 10 can be normally supported by the support tool 26 near the central portion, and when the joint portion 2 becomes narrow due to an earthquake, it can be attached to one joint plate 8 or the other joint plate 9. It is pressed and rotates, and can absorb the shaking movement without being damaged.

A plurality of the supports 26 are provided between the adjacent bar members 16 and 18 in the front-rear direction, except for the portion where the central maintenance mechanism 11 is arranged.

When one and the other left and right skeletons 3 and 4 sway in the left-right direction and the joint portion 2 becomes narrow due to an earthquake, the joint plates 8 and 9 slide in the left-right direction on the upper surface of the joint plate support member 7 as shown in FIG. At the same time, the support tool 26 of the cover plate support mechanism 12 is pressed by the joint plate bodies 17 and 19 and tilts, absorbing the shaking motion due to the earthquake.

That is, even if the first and second isolators 6 and 6 change their postures in the left-right direction during an earthquake, the one and other joint plates 8 and 9 are linked to the posture changes of these isolators 6 and 6. The upper surface of the joint plate support member 7 is directly or indirectly slid, and in the present embodiment, indirectly via the sliding member 15.

When the shaking motion due to the earthquake is completed and the normal state is restored, the support 26 at the portion where the joint plates 8 and 9 are not located above returns to the substantially upright state due to the urging force of the urging tool 27, and the cover plate 10 Support the bottom.

At this time, the substantially central portion of the cover plate 10 is located at the substantially central portion of the joint portion 2 by the central maintenance mechanism 11.

When the skeletons 3 and 4 sway in the left-right direction due to an earthquake and the joint portion 2 becomes wider, as shown in FIG. 8, the joint plates 8 and 9 slide on the upper surface of the joint plate support member 7 in the left-right direction and support the cover plate. The support 26 of the mechanism 12 supports the cover plate substantially upright from the urging force of the urging tool 27, and absorbs the shaking motion due to the earthquake.

Also at this time, the substantially central portion of the cover plate 10 is located at the substantially central portion of the joint portion 2 by the central maintenance mechanism 11.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 9 and 10 will be described. In the description of these different embodiments for carrying out the present invention, the same components as those of the first embodiment for carrying out the present invention are designated by the same reference numerals, and duplicate description will be omitted.

In the second embodiment for carrying out the present invention shown in FIGS. 9 and 10, the main difference from the first embodiment for carrying out the present invention is that a sliding member such as a roller is attached to the bottom surface of the other end. Is fixed as a sliding material 15A, and one and the other joint plates 8A and 9A supported via the sliding material 15A are used. Therefore, even if the joint device 1A uses such one joint plate 8A. , The same action and effect as in the first embodiment for carrying out the present invention can be obtained.

As the joint plate, in addition to those described in the detailed description, a joint plate in which a shallow plate-shaped joint plate body is filled with a filler such as mortar to form a plate, or other known joint plates may be appropriately used. It may be configured so that the other end is directly supported by the joint plate support member without using a slip material.

Further, a wall joint device, a handrail, or the like may be provided near the end portion of the joint plate or the like in the front-rear direction.

In the embodiment of the present invention, since the left and right skeletons are provided at locations where they are not expected to sway in different front-rear directions (some swaying movement is absorbed by the other joint plate), one joint plate is fixedly used on one side. Although it is attached to the skeleton, if it is expected that the left and right skeletons will swing in different front-back directions, one joint plate can also be slid back and forth with respect to the other skeleton via the rail member. It is desirable to provide it.

In such a case, the cover plate is fixed to the central portion of the joint plate support member, a pantograph-shaped link member is provided between one and the other joint plate, and a gear as in the embodiment is provided on one and the other. It is preferable to provide a central maintenance mechanism such as provided on the bar member so as to be located at the center of the joint portion.

As the cover plate support mechanism, in addition to the one described in the embodiment, for example, a cover support member or the like described in Japanese Patent Application Laid-Open No. 2014-118789 may be used.

The present invention is used in the industry of manufacturing floor joint devices.

1, 1A: Joint device, 2: Joint part,
3: One skeleton, 4: The other skeleton,
5: skeleton installation surface, 6: first and second isolators,
7: Joint plate support member, 8, 8A: One joint plate,
9, 9A: The other joint plate, 10: Cover plate,
11: Central maintenance mechanism, 12: Cover plate support mechanism,
13: Joint plate support, 14: Rail member,
15, 15A: Slip material, 16: One bar member,
17: One joint plate body, 18: The other bar member,
19: The other joint plate body, 20: Sliding member,
21: Connecting rod, 22: Rack,
23: Pinion, 24: Connection means,
25: Holding means, 26: Support
27: Bouncer.

Claims (5)

One skeleton provided on the skeleton installation surface via a first isolator faces the one skeleton via a joint, and the other is provided on the skeleton installation surface via a second isolator. A joint plate support member provided at a substantially central portion of the joint portion integrally with the skeleton installation surface, and one end of the joint plate support member, and the other end portion of the joint plate support member. One joint plate on which the joint plate is supported, the other joint plate whose one end is supported by the other skeleton and whose other end is supported by the joint plate support member, and a joint plate provided above the joint plate support member. It is composed of at least one joint plate, a cover plate that covers the other end side of the other joint plate, and a central maintenance mechanism that positions a substantially central portion of the cover plate at a substantially central portion of the joint portion. Floor joint device. Even if the first and second isolators change their postures in the left-right direction during an earthquake, the one and other joint plates directly or indirectly cover the upper surface of the joint plate support member in conjunction with the posture changes of these isolators. The floor joint device according to claim 1, wherein the joint device slides on the floor. The invention according to claim 1 or 2, wherein the one joint plate and the other end side of the other joint plate are supported by the joint plate support member via a sliding material. Floor joint device. The floor joint device according to any one of claims 1 to 3, wherein the joint plate support member is provided with a cover plate support mechanism for supporting the bottom surface of the cover plate. The one joint plate has a plurality of bar members whose one end is supported by the one skeleton and whose other end is supported by the joint plate support member, and the upper surface of the plurality of bar members. Consists of one plate-shaped joint plate body fixed to
The other joint plate has a plurality of other bar members whose one end is supported by the other skeleton and whose other end is supported by the joint plate support member, and the upper surfaces of the plurality of other bar members. Consists of the other plate-shaped joint plate body fixed to
A plurality of the cover plate supporting mechanism is rotatably provided on the joint plate supporting member at a predetermined interval, and can support the cover plate in an upright state, and the one joint plate or the other. It consists of a support that can rotate when pressed from the side by any of the joint plates, and an urging tool that urges the plurality of supports so as to be in an upright state. The floor joint device according to claim 4.

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