JP2002167163A - Crane device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crane device which can attain facilitation of work for changing a layout and improvement of flexibility relating to the changing of the layout. SOLUTION: This crane device is constituted by juxtaposing a plurality of running rails 1 in a parallel attitude so as to be in parallel or almost parallel in a ceiling side of a building T to make this running rail 1 support a plurality of parts of a movable type rail 2 in addition so as to guide it to freely move in a lengthwise direction of the running rail 1 to make the movable type rail 2 support a suspended lifting type crane in a suspension condition in addition so as to guide it to freely move in a lengthwise direction of the movable type rail 2, and the crane device is provided with a guide rail 8 guiding the running rail 1 freely to move in its arranged direction in the ceiling side of the building T.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to
A plurality of traveling rails are arranged in parallel so as to be parallel or substantially parallel, and the traveling rails support a plurality of locations of the movable rail and move the movable rail in a longitudinal direction of the traveling rail. A movable crane configured to guide the crane, the movable rail supporting a suspended lifting / lowering crane in a suspended state, and guiding the crane movably in a longitudinal direction of the movable rail. Related to the device.

[0002]

2. Description of the Related Art The above-described crane apparatus is provided in a building, and various hanging cranes such as hoists are suspended and supported so as to be movable in the longitudinal direction of a movable rail. The movable rail is supported movably in the longitudinal direction of the traveling rail, and when the crane is moved to a predetermined position, the crane moves in the longitudinal direction of the movable rail, following the movement, and the movable mold is moved. The rail moves in the longitudinal direction of the traveling rail, and is adapted to, for example, a production line of a factory or the like.

In addition, for example, two traveling rails are arranged side by side in a parallel posture, a plurality of movable rails are movably supported in the longitudinal direction of the two traveling rails, A movable crane is supported movably in the longitudinal direction of the movable rail. Then, following the movement of the suspended lifting type crane, the crane moves along the longitudinal direction of the movable rail, and the movable rail moves along the longitudinal direction of the traveling rail. It enables the lifting and lowering type crane to move at a distance.

Conventionally, this type of crane apparatus is provided with a column for fixing and supporting the traveling rail, or by fixing and supporting the traveling rail on a beam of a building, and adjusting the traveling rail according to the initial installation conditions. It is fixed to a desired location, and a suspended lifting crane is arranged at the desired location.

[0005]

However, in the above-mentioned conventional crane apparatus, since the traveling rail is fixedly supported on a column or a ceiling beam in a building, for example, a change in installation conditions such as a change in a production line. When changing the layout in conjunction with the above, once remove the traveling rail fixedly supported by the pillars and ceiling beams in the building, and then reconnect the traveling rails to the pillars and ceiling beams at the desired locations in the building. The work for changing the layout has been complicated. Therefore, in the above-mentioned conventional crane device, there is a possibility that the flexibility for changing the layout is low, and the work for changing the layout becomes complicated.

The present invention has been made in view of such a point, and an object of the present invention is to facilitate the work for changing the layout and to improve the flexibility for changing the layout. Another aspect of the present invention is to provide a crane device.

[0007]

In order to achieve this object, according to the first aspect of the present invention, on the ceiling side of a building,
A plurality of traveling rails are arranged in parallel so as to be parallel or substantially parallel, and the traveling rails support a plurality of locations of the movable rail and move the movable rail in a longitudinal direction of the traveling rail. A movable crane configured to guide the crane, the movable rail supporting a suspended lifting / lowering crane in a suspended state, and guiding the crane movably in a longitudinal direction of the movable rail. In the apparatus, a guide rail is provided on a ceiling side of the building so as to movably guide the travel rail in a direction in which the travel rails are arranged.

In other words, since guide rails are provided on the ceiling side of the building so as to freely move the run rails in the direction in which the run rails are arranged, when the layout needs to be changed, the run rails are used to guide the run rails. In the direction in which the running rails are aligned, and the running rails can be moved to desired locations in the running rail alignment direction, making it possible to change the layout, and removing the running rails from the columns and ceiling beams. Also, the layout can be changed without performing an operation of fixing and supporting the traveling rails on the columns or ceiling beams.

Therefore, the layout can be changed by the easy work of moving the running rails in the direction in which the running rails are arranged by the guide rails, so that the work for changing the layout is facilitated. ,
A crane device capable of improving the flexibility with respect to the layout change has been provided.

[0010] By the way, when the traveling rails arranged in parallel or substantially parallel are formed as one set and a plurality of such sets are arranged in parallel in the direction in which the traveling rails are arranged, the traveling rails are respectively set in a plurality of sets. When the support is fixedly supported on the pillars or the beams of the ceiling, when the layout is changed, the work rails are removed from each of the plurality of sets, and the work is fixed and supported again. According to the present invention, for each of the plurality of sets, the traveling rails can be moved in the direction in which the traveling rails are arranged, and thus, when a plurality of sets are provided in the direction in which the traveling rails are arranged, the layout can be reduced. The effect of facilitating the work for changing becomes remarkable.

According to the second aspect of the present invention, the movable rail is supported so as to be rotatable relative to the traveling rail around the vertical axis, and the traveling rail is arranged in the direction in which the traveling rails are arranged. An interval regulating body for maintaining the separated state at a set interval is configured to be switchable between a use state in which the separated state is maintained and a non-use state in which the separated state is released.

That is, by switching the distance regulating member to the use state, the traveling rail is maintained in a separated state in which the set distance is spaced in the direction in which the traveling rails are arranged, and the crane is moved following the movement of the crane. The desired work can be performed by moving the movable rail along the longitudinal direction of the traveling rail while moving the movable mold rail along the longitudinal direction of the mold rail. Further, by switching the distance regulating body to the non-use state, the holding of the separated state is released, the traveling rail is moved to the side approaching in the direction in which the traveling rails are arranged, and the movable rail is moved up and down with respect to the traveling rail. By relatively rotating around the axis, it is possible to approach the running rails in the direction in which they are arranged.

Therefore, when a suspended lifting crane is used, the space regulating body is switched to a use state to utilize the existing space of the crane as a working space, and when the suspended lifting crane is not used, the distance regulating body is used. It is possible to switch the body to a non-use state, hold the traveling rail close, and use the crane's existing space when using the crane as a space other than the work space such as a storage space for other parts As a result, the space in the building can be used effectively.

According to the third aspect of the present invention, the guide rail is held by a frame of the building. In other words, since the guide rails are held by the frame of the building, it is possible to hold the guide rails without providing a support in the building, thereby eliminating the need for the support in the building. Thus, it is possible to prevent the support from being obstructed during work or the like.

According to the fourth aspect of the present invention, the guide rail is held on a side wall of the frame of the building. That is, for example, when the guide rail is suspended and supported by the beam on the ceiling, a support member for suspending and supporting the suspension is present above the guide rail, and the space above the guide rail is removed. You will not be able to use it. On the other hand, according to the fourth aspect of the present invention, since the guide rail is held on the side wall of the frame of the building, a space above the guide rail is provided.
Since there is no support member or the like for suspending and supporting the guide rail, for example, an overhead crane for supporting a suspended object in a suspended state is provided, and an overhead crane rail for guiding the overhead crane in the direction in which the traveling rails are arranged. Is provided in a space above the guide rail, and the space above the guide rail can be effectively used.

According to the fifth aspect of the present invention, an overhead crane for supporting a suspended object in a suspended state is provided,
An overhead crane rail is provided to guide the overhead crane movably in the direction in which the traveling rails are arranged, and the overhead crane rail is disposed above the traveling rail.

That is, an overhead crane for supporting a suspended object in a suspended state is provided, and an overhead crane rail for guiding the overhead crane movably in the direction in which the traveling rails are arranged is disposed above the traveling rail. So
It is possible to move the suspended object to the desired location by moving the suspended object with the overhead crane device in the hanging rail in the direction in which the traveling rails are arranged in a place where there is no suspended lifting crane etc. on the lower side. This makes it possible to improve the work efficiency while effectively utilizing the space above the traveling rail.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An example in which a crane device according to the present invention is applied to a production line in a factory will be described with reference to the drawings. As shown in FIGS. 1 to 4, this crane device is provided inside a building T, and runs parallel to or almost parallel to the ceiling side of the building T. A trailing crane 4 including a supported movable rail 2 and a suspended lifting / lowering crane 3 supported by the movable rail 2 in a suspended state, and supports suspended objects in a suspended state. The overhead traveling crane 11 is disposed above the trailing crane 4. Incidentally, FIG. 1 is a vertical sectional side view of the building T showing the overhead crane 11 and the following type crane 4, and FIG. 2 is a vertical sectional side view of the building T showing the side wall portion T1 in the component frame of the building T. FIG. 3 is a cross-sectional plan view of the building T showing the overhead crane 11, and FIG.
3 is a cross-sectional plan view of a building T showing a plurality of following cranes 4. FIG.

A plurality of following cranes 4 are arranged in the building T in the direction in which the traveling rails 1 are arranged, and a plurality of following cranes 4 are appropriately arranged according to installation conditions such as a production line of a factory. It is configured to be. By the way, when the process using one follow-up type crane 4 is completed, the products are transported to the follow-up type crane 4 adjacent to the traveling rail 1 in the direction in which the traveling rails 1 are arranged by the hanging up-and-down type crane 3. 4 is performed. As described above, the transport direction of the product is not limited to the direction along the direction in which the traveling rails 1 are arranged, but may be the direction along the longitudinal direction of the traveling rails 1. It can be changed appropriately according to the product of the above.

A plurality of the following cranes 4 are arranged side by side in the direction in which the traveling rails 1 are arranged. However, since the plurality of following cranes 4 have the same specifications, only one of the following cranes 4 will be described. Add. As shown in FIGS. 5 to 7, the following type crane 4 includes a plurality of traveling rails 1 arranged side by side in a parallel posture, and a hanging lifting type crane 3.
And a plurality of movable rails 2 that support the movable rails 2 in a suspended state. The traveling rail 1 is configured to support a plurality of portions of the movable rail 2 and to movably guide the movable rail 2 in the longitudinal direction of the traveling rail 1,
The movable rail 2 is configured to guide the suspended lifting / lowering crane 3 movably in the longitudinal direction of the movable rail 2.

More specifically, two traveling rails 1
Are arranged side by side so as to be parallel or almost parallel in a parallel posture, and a plurality of movable rails 2
It is configured to support. A movable rail support 5 for suspending and supporting the movable rail 2 by the traveling rail 1 is provided at each end portion of the movable rail 2, and the movable rail support is provided. 5
In order to move the movable rail 2 in the longitudinal direction of the traveling rail 1, a plurality of rollers 5 a that travel on a traveling surface formed on the inner surface of the traveling rail 1 are provided.

Further, one movable rail 2 is configured to support one suspended lifting type crane 3,
The suspended lifting crane 3 is provided with a crane support 6 for suspending and supporting the crane 3 by the movable rail 2. The suspended lifting crane 3 is provided on the crane support 6. In order to move the movable rails 2 in the longitudinal direction, a plurality of rollers 6a that travel on a traveling surface formed on the inner surface of the movable rail 2 are provided. By the way, as a suspended lifting crane 3,
Various hanging and lifting cranes such as balance cylinders, hoists, and electric chain blocks are applicable.

In this way, the suspended lifting crane 3 is supported movably in the longitudinal direction of the movable rail 2 and the movable rail 2 is supported movably in the longitudinal direction of the traveling rail 1. Following the movement of the suspended lifting crane 3, the suspended lifting crane 3 is moved along the longitudinal direction of the movable rail 2, and the movable rail 2 is moved along the longitudinal direction of the traveling rail 1. The crane 3 of the lifting type can be moved at the shortest distance.

Further, a suspension type beam 7 for fixing and supporting the traveling rail 1 in a suspended state is provided, and a guide rail 8 for movably guiding the suspension type beam 7 in the direction in which the traveling rail 1 is arranged is provided on the ceiling side of the building T. It is provided in. The guide rail 8 is configured to movably support the suspension type beam 7 in the longitudinal direction of the guide rail 8, thereby supporting the traveling rail 1 movably in the direction in which the traveling rails 1 are arranged. Incidentally, a method of fixing the suspension beam 7 to the traveling rail 1 is not described in detail, but various methods such as using bolts and nuts or welding are applicable.

That is, since one follower crane 4 is provided with two traveling rails 1,
Each of the traveling rails 1 is provided with a suspension beam 7, and one follower crane 4 is provided with two suspension beams 7. The two guide rails 8 are held on the side wall portion T1 of the frame of the building T in a posture along the direction in which the traveling rails 1 are arranged. Are supported so as to be movable in the direction in which the traveling rails 1 are arranged.

In addition, the guide rail 8 is formed by an I-shaped rail having a cross-sectional shape of an I-shaped rail. A suspension-type beam support portion 9 for hanging and supporting is formed. The suspension beam supporting portion 9 is provided with a roller 9b that is rotated by a driving mechanism 9a such as an electric motor for traveling on the traveling surface of the I-shaped rail. The mold beam 7 is configured to be guided movably in the direction in which the traveling rails 1 are arranged. The drive mechanism 9a is provided with two suspension beams 7 in the following crane 4.
Of the drive mechanism 9
The suspension type beam 7 on the side where “a” is provided is configured to be on the same side in all the following cranes 4.

The movable rail 2 of the follower type crane 4 is supported so as to be rotatable relative to the traveling rail 1 around the vertical axis.
The spacing regulation arm 10 is provided as a spacing regulation body for keeping a set state separated in the arrangement direction. The interval regulating arm 10 is configured to be freely switchable between a use state in which the separated state is maintained and a non-use state in which the separated state is released.

More specifically, as shown in FIG.
The distance regulating arm 10 is used to fix each of its ends to the end side portion of the suspension beam 7 and to keep the traveling rail 1 in a spaced state in the direction in which the traveling rails 1 are arranged. The state is switched to a non-use state in which the spacing control arm 10 is removed from the two suspension beams 7 and the holding of the separated state is released. When the interval regulating arm 10 is detached from the suspension beam 7 and switched to the non-use state, the driving mechanism 9a of the suspension beam support 9 is operated to move the movable rail 2 up and down with respect to the traveling rail 1. While rotating around the axis, the suspension type beam 7 is approached to bring the traveling rail 1 close to the approaching state, and the approaching state is maintained using a fixture or the like.

Incidentally, when the drive mechanism 9a of the suspension beam support 9 is operated to bring the suspension beam 7 closer, the movable rail 2 is supported by the traveling rail 1 among the two support locations. After moving one side in advance in the longitudinal direction of the traveling rail 1 so that the plurality of movable rails 2 are parallel or substantially parallel to the direction in which the traveling rails 1 are arranged, the suspension type The drive mechanism 9a in the beam support portion 9 is operated so that the suspension type beam 7 approaches. Then, after the movable rail 2 is released from the posture along the direction in which the traveling rails 1 are arranged in advance, the suspension type beam 7 is made to approach, so that the approach operation of the suspension type beam 7 can be performed smoothly. .

As a structure for smoothly performing the approach operation of the suspension beam 7, a rib or the like is provided on the movable rail 2 instead of the above-described structure, and the movable rail 2 is A slide mechanism that slides along the longitudinal direction may be provided.

An overhead crane 11 for supporting a suspended object in a suspended state is provided.
An overhead crane rail 12 for movably guiding the rails 1 in the direction in which the traveling rails 1 are arranged is provided above the traveling rail 1 in a posture along the direction in which the traveling rails 1 are arranged.
More specifically, the side wall T in the structural frame of the building
As shown in FIGS. 2 and 5, an I-shaped crane garter bracket 13 is held at 1, and a guide rail 8 is held on the lower surface side of the crane garter bracket 13.
An I-type overhead crane garter 14 is held on the upper surface of the crane garter receiving member 13, and the overhead crane rail 12 is held on the upper surface of the overhead crane garter 14.

A plurality of suspension suspending brackets 15 are provided between the overhead crane garters 14 and the guide rails 8 at intervals in the direction in which the traveling rails 1 are arranged. By supporting, the weight of the running rail 1 is reduced. By the way, building T
Of the side wall portion T1 and the crane garter bracket 13, the method of fixing the overhead crane garter 14 and the crane garter bracket 13, the method of securing the crane garter bracket 13 and the guide rail 8, etc. Although not described in detail, it is configured to use bolts and nuts, or to fix them by welding as appropriate.

The overhead crane 11 is provided with a roller 11b for running on the overhead crane rail 12, and a drive mechanism 11c for driving the roller 11b to rotate.
By operating the drive mechanism 11c to rotate the roller 11b, the overhead crane 11 is moved in the direction in which the traveling rails 1 are arranged in a state where the suspended object is suspended. And the overhead crane 11
Suspended objects with a weight that cannot be transported by the suspended lifting crane 3, such as when loading raw materials, unloading assembled heavy goods or products, or changing the layout of production machines when changing the layout. And a double garter type in which each of the two hoisting devices 11a is movable in both directions in which the traveling rails 1 are arranged and in a direction perpendicular to the arrangement direction while the suspended object is suspended. Have been. The overhead crane 11 is not limited to the above-mentioned double garter type, and the hoisting device 1
A single garter type equipped with one la may be used, and other various overhead cranes 11 are applicable.

As shown in FIG. 4, the above-described crane apparatus is configured such that the following type crane 4 to be used is arranged at a desired location based on installation conditions such as the type of product. That is, in the apparatus shown in FIG. 4, three follow-up cranes 4 are used, and one follow-up type 4 is not used, and three follow-up cranes 4 are arranged at desired locations.

In addition, the following type crane 4 to be used operates the drive mechanism 9a of the suspension type beam support 9 to move the suspension type beam 7 in the direction in which the traveling rails 1 are arranged. Is arranged at a desired position. In addition, the follower type crane 4 that is not used operates the drive mechanism 9a in the suspension type beam support section 9 to move the suspension type beam 7 in the direction in which the traveling rails 1 are arranged, and the building is moved in the direction in which the traveling rails 1 are arranged. At the end of the Then, the spacing control arm 10 is detached from the suspension beam 7 to release the separated state, and the drive mechanism 9a in the suspension beam support 9 is actuated to bring the suspension beam 7 closer and the traveling rail 1 closer. It is configured to maintain the approaching state by using a fixture or the like.

In this manner, the plurality of following cranes 4
Are arranged at desired locations based on the installation conditions. However, as the installation conditions change, such as a change in the type of product, the layout shown in FIG. 4 is changed to the layout shown in FIG. It is configured. That is, the following crane 4 to be used is arranged at a desired position,
Drive mechanism 9 in suspension-type beam support 9
By operating a, the suspension beam 7 is moved in the direction in which the traveling rails 1 are arranged, and the traveling rails 1 are arranged at desired locations. And the following type crane 4 not used is
Drive mechanism 9 in suspension-type beam support 9
By operating a, the suspension type beam 7 is moved in the direction in which the traveling rails 1 are arranged, and is positioned at the end of the building in the direction in which the traveling rails 1 are arranged. Then, the spacing regulating arm 1
0 is removed from the suspension-type beam 7 to release the separated state, and the drive mechanism 9a in the suspension-type beam support 9 is actuated to operate the suspension-type beam 7.
To approach the running rail 1 approaching,
It is configured to maintain the approaching state using a fixture or the like.

In this manner, the layout can be changed by the easy work of moving the suspension beam 7 in the direction in which the traveling rails 1 are arranged on the guide rails 8, so that the layout can be changed. Work can be facilitated, and the flexibility in changing the layout can be improved. In addition, a guide rail 8 for moving the traveling rail 1 supported by the suspension beam 7 in the direction in which the traveling rail 1 is arranged.
Is held on the side wall portion T1 of the frame of the building T, so that it is not necessary to provide a column for supporting the traveling rail 1 in the building T, thereby improving workability. it can. Further, since the guide rail 8 is held on the side wall portion T1 of the structural frame of the building T and the overhead crane 11 is disposed above the guide rail 8, the space above the guide rail 8 is reduced. It can be used effectively.

[Another Embodiment] (1) In the above embodiment, the suspension type beam 7 for fixedly supporting the traveling rail 1 is provided, and the suspension type beam 7 is moved by the guide rail 8 in the direction in which the traveling rail 1 is arranged. Thus, the traveling rail 1 is configured to be movable in the direction in which the traveling rail 1 is arranged. However, the suspension rail 7 is not provided, and the traveling rail 1 itself is guided by enhancing the strength of the traveling rail 1. It is also possible to carry out the present invention by arranging the rail 8 so as to be movable in the direction in which the traveling rails 1 are arranged.

(2) In the above embodiment, the distance regulating arm 10 is fixedly supported on the two suspension beams 7, and the traveling rail 1 is separated from the traveling rail 1 by a predetermined distance in the direction in which the traveling rails 1 are arranged. It is configured to switch to a non-use state in which the holding state is released by switching to a use state in which the holding is performed, and removing the interval regulating arm 10 from the two suspension beams 7,
The configuration of the use state and the non-use state of the interval regulating arm 10 can be appropriately changed.

For example, the spacing regulating arm 10 is pivotally supported on one side of the two suspension beams 7 so that the spacing regulating arm 10 can swing about the vertical axis with respect to the suspension beam 7. It is also possible to implement it. In other words, the gap regulating arm 10 is pivotally supported on one side of the two suspension beams 7 so as to be rotatable around the vertical axis, and the gap regulating arm 10 is fixedly supported on the other side. Switch to the use state for holding. Then, the distance regulating arm 10 is removed from the suspension type beam 7 on the fixedly supported side, and the distance regulating arm 10 is swung around the vertical axis at the pivot point of the suspension type beam 7 on the side that pivotally supports the distance regulating arm 10. To switch to a non-use state in which the holding of the separated state is released.

Further, instead of the above-described space regulating arm 10 being configured to be swingable about the vertical axis with respect to the suspension beam 7, the space regulating arm 10 is constructed by arranging three arm portions. It is also possible to implement the space regulating arm 10 so as to be foldable along the horizontal axis, for example, by pivotally supporting the parts about the horizontal axis. That is, the arm portions are fixedly supported by bolts and nuts or the like, and the traveling rail 1 is switched to a use state in which the traveling rail 1 is maintained in a separated state at a set interval in the direction in which the traveling rails 1 are arranged. Further, the fixed support of the arms is released, the state is switched to a non-use state in which the holding of the separated state is released, and the three arms are rotated about the horizontal axis as the traveling rail 1 is approached. Thus, the distance regulating arm 10 is configured to be held in a folded state.

(3) In the above embodiment, the guide rail 8
However, the guide rails 8 are configured to be held by beams on the ceiling of the frame of the building T, or the guide rails 8 are held by the side walls T1 of the frame of the building T. The support for holding the rail 8 can be configured and implemented so as to be appropriately provided in the building T. When the guide rail 8 is held by a beam on the ceiling, the overhead crane 11 is not provided.

(4) In the above embodiment, an example was described in which the trailing crane 4 was configured to support the movable rail 2 with the two traveling rails 1. However, three movable rails 2 were used. The number of the traveling rails 1 can be changed as appropriate, for example, by being supported by the traveling rails 1. In the above-described embodiment, one movable rail 2 supports one suspended lifting crane 3, but two movable rails 2 support one suspended lifting crane 3. And the number of the movable rails 2 can be appropriately changed.

(5) In the above embodiment, an example is shown in which the crane device according to the present invention is applied to a production line of a factory. However, the crane apparatus can be applied to various other buildings such as a warehouse for storing articles.

[Brief description of the drawings]

FIG. 1 is a side view showing a schematic configuration of a crane device.

FIG. 2 is a side view showing a side view of a structural frame of a building.

FIG. 3 is a plan view showing an overhead crane.

FIG. 4 is a plan view showing a layout of the crane device.

FIG. 5 is a perspective view showing a supporting state of the crane device.

FIG. 6 is a perspective view showing a schematic configuration of a crane device.

FIG. 7 is a plan view showing a use state and a non-use state of the distance regulating body.

FIG. 8 is a plan view showing a state after the layout of the crane device is changed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Running rail 2 Movable rail 3 Suspended elevating crane 8 Guide rail 10 Spacing regulator 11 Overhead crane 12 Overhead crane rail

Claims (5)

[Claims] 1. A plurality of running rails are arranged in parallel on a ceiling side of a building so as to be parallel or substantially parallel, and the running rails support a plurality of locations of movable rails, and The movable rail is configured to movably guide the movable rail in the longitudinal direction, the movable rail supports a suspended lifting type crane in a suspended state, and moves the crane in the longitudinal direction of the movable rail. A crane device configured to guide freely, wherein a guide rail is provided on a ceiling side of the building so as to movably guide the travel rail in a direction in which the travel rails are arranged. 2. A separated state in which the movable rail is supported so as to be rotatable relative to the travel rail about a vertical axis, and the travel rail is spaced apart from the travel rail by a set distance in the direction in which the travel rails are arranged. The distance regulating body for holding in
The crane device according to claim 1, wherein the crane device is configured to be switchable between a use state in which the separated state is held and a non-use state in which the separated state is released. 3. The crane device according to claim 1, wherein the guide rail is held by a component frame of the building. 4. A crane device wherein the guide rail is held on a side wall of a frame of the building. 5. An overhead crane for supporting a suspended object in a suspended state, an overhead crane rail for guiding the overhead crane movably in a direction in which the traveling rails are arranged, and an overhead crane rail, The crane device according to claim 4, wherein the crane device is provided above the traveling rail.