JP2017095240A - Crane, crane luminaire and crane speaker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crane which illuminates and outputs a warning to a necessary range, and suppresses impact to neighborhood.SOLUTION: A tower crane 1 is provided on a jib 3 on an upper end of a columnar support 2, and plural luminaires 5 and a speaker 7 are attached to the jib 3. The luminaires 5 and the speaker 7 oscillate by self weight, following to change of inclination of the jib 3 in a vertical plane, and the luminaires and speaker are directed downward always. The luminaires 5 are configured so that, by using a wire, orientations of the luminaires in a cross direction and a lateral direction can be adjusted. The orientations of the plural luminaires 5 can be adjusted simultaneously.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a crane, a crane lighting device, and a crane speaker.

  When construction is performed for 24 hours in a building, etc., a lighting device may be attached to the crane used for the construction and used for lighting the construction site at night.

  FIG. 6 is an example thereof, and is a diagram showing a tower crane 101 provided with a lighting device 105. The tower crane 101 is installed in the building 100 under construction. The illumination device 105 is provided on the column 102 of the tower crane 101 and illuminates the construction site on the construction floor of the building 100. In addition, Patent Document 1 discloses an example in which a lighting device is provided on a hook suspended from the tip of a crane.

JP 2014-237503 A

  In construction on a narrow site where buildings are close to each other, if a lighting device 105 is provided on the support column 102 and illumination is performed obliquely as shown in FIG. 6 to illuminate the construction site, some light leaks outside the site. In other words, there is a problem of illuminating the adjacent building 200.

  Moreover, when providing the illuminating device 105 to the support | pillar 102 of the tower crane 101, installation of the illuminating device 105 according to the raise of the construction floor may not catch up. Furthermore, when providing an illuminating device on a crane hook like patent document 1, the range which can be illuminated is limited.

  In addition, although there is a case where a warning for paying a person under the crane's suspended load is given by a speaker provided on the crane, the noise to the neighborhood may be a problem for the same reason as the above-described conventional lighting device. .

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a crane or the like that can perform illumination and warning in a necessary range and reduce the influence on the vicinity.

  A first invention for achieving the above-described object is a crane having a jib so that the lighting device swings by its own weight in accordance with a change in the inclination of the jib in a vertical plane and faces downward. The crane is mounted on the jib.

  In the present invention, the lighting device is attached to the jib of the crane, and is swung by its own weight with the change in the tilt of the jib so as to face downward. It is possible to efficiently use only in the area and reduce the influence of lighting on the neighborhood. Moreover, since the lighting device is attached to the jib, the construction site can always be illuminated from a position higher than the building, and there is no need to re-install the lighting device every time the building construction floor rises.

It is preferable that the front and rear directions of the lighting device can be adjusted. It is also desirable that the left and right orientations can be adjusted. Furthermore, it is also desirable that the orientations of the plurality of lighting devices can be adjusted simultaneously.
By making it possible to adjust the front-rear and left-right orientations of the lighting device, it is possible to appropriately adjust the illumination reachable range. It is also possible to adjust the orientations of a plurality of lighting devices all at once, which facilitates operation. Note that front and rear refer to the tip side and base side of the jib in the plane of the axis of the jib, and left and right refer to both sides of the plane in the plane of the axis of the jib.

It is also desirable that the speaker is mounted on the jib so as to swing downward due to its own weight with a change in the inclination of the jib in the vertical plane.
In the present invention, the speaker is attached to the jib in the same manner as the lighting device, so that the alarm by the speaker can be efficiently used while being limited to a necessary range, and the influence of sound on the vicinity can be reduced.

  A second aspect of the present invention is a crane lighting device mounted on a jib of a crane, characterized in that it can swing so as to face downward due to its own weight in accordance with a change in the inclination of the jib in a vertical plane. The crane lighting device.

  The crane lighting device is preferably adjustable in the front-rear direction. It is also desirable that the left and right orientations can be adjusted.

  3rd invention is a crane speaker with which the jib of a crane is mounted | worn, It can rock | fluctuate so that it may face downward with dead weight with the change of the inclination of the said jib in a vertical surface, It is characterized by the above-mentioned. This is a crane speaker.

  ADVANTAGE OF THE INVENTION According to this invention, the crane etc. which can perform the illumination and warning to a required range, and can reduce the influence on the vicinity can be provided.

Diagram showing tower crane 1 The figure which shows the illuminating device 5 The figure which shows adjustment of the front-back direction of the illuminating device 5 The figure which shows adjustment of the right-and-left direction of the illuminating device 5 The figure which shows adjustment of the right-and-left direction of the illuminating device 5 The figure which shows the tower crane 101

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[First Embodiment]
Fig.1 (a) is a figure which shows typically the tower crane 1 which concerns on the 1st Embodiment of this invention. As shown to Fig.1 (a), the tower crane 1 is installed in the building 100 under construction.

  In the tower crane 1, the jib 3 is provided at the upper end of the column 2. The tower crane 1 moves the jib 3 horizontally and undulates within the site of the building 100, thereby moving construction materials and waste materials suspended from the tip of the jib 3 with wires or the like (not shown).

  In the present embodiment, a lighting device 5 (a crane lighting device) and a speaker 7 (a crane speaker) are attached to the jib 3 of the tower crane 1. A plurality of illumination devices 5 are provided at intervals along the material axis direction of the jib 3, and the speaker 7 is provided at the tip of the jib 3.

  As the lighting device 5, for example, an LED (Light Emitting Diode) lighting or the like having high directivity is used. Similarly, a speaker 7 having high directivity is used. The solid line arrows in FIGS. 1A and 1B indicate the center of the direction of light irradiation from the illumination device 5, and the chain line arrow indicates the center of the sound emission direction from the speaker 7.

  The lighting device 5 and the speaker 7 can swing with respect to the jib 3 due to its own weight, and as shown in FIG. Oscillates and always faces downward.

  2A shows a cross section of the jib 3 in the direction perpendicular to the material axis direction, and FIG. 2B shows a cross section of the jib 3 in the material axis direction. 2A is a cross-sectional view taken along line bb in FIG. 2B, and FIG. 2B is a cross-sectional view taken along line aa in FIG.

  As shown in FIGS. 2A and 2B, a pin 9 is provided inside the jib 3 in a horizontal direction orthogonal to the material axis direction of the jib 3. Both ends of the pin 9 are inserted into a tube 11 attached to the jib 3, and a connecting member 13 is provided on the pin 9. An illuminating device 5 is attached to the lower end portion of the connecting member 13, and the illuminating device 5 can rotate in the vertical plane around the axial direction of the pin 9.

  With such a mechanism, as described with reference to FIGS. 1A and 1B, the illumination device 5 swings due to its own weight in accordance with the change in the inclination of the jib 3 in the vertical plane, and always faces downward. it can. The speaker 7 can also be attached to the tip of the jib 3 with the same configuration as that shown in FIGS. However, the mechanism described in FIGS. 2A and 2B is an example, and the present invention is not limited to this.

  As described above, according to the present embodiment, the lighting device 5 and the speaker 7 are attached to the jib 3 of the tower crane 1 so that they swing with their own weight and face downward as the inclination of the jib 3 changes. By doing so, it is possible to efficiently use the illumination from the lighting device 5 and the alarm by the speaker 7 limited to the necessary range in the site with a simple configuration, and to reduce the influence of lighting and sound in the vicinity. . Moreover, since the lighting device 5 and the speaker 7 are attached to the jib 3, it is possible to always illuminate the construction site on the construction floor from a position higher than the building 100, and to give a warning for the person payment under the suspended load. There is no need to re-install the lighting device 5 or the like every time the construction floor is raised.

  However, the present invention is not limited to this. For example, in the present embodiment, the lighting device 5 and the speaker 7 are provided in the jib 3 of the tower crane 1 provided in the building 100. However, when the tower crane is installed on the site outside the building 100, the lighting device 5 and A speaker 7 can be provided. It is also possible to illuminate the construction floor of the building 100 by providing the same lighting device 5 and speaker 7 on the jib of the mobile crawler crane.

  Furthermore, in this invention, it is also possible to provide the mechanism for adjusting the front-back and left-right direction of the illuminating device 5. FIG. Therefore, as a second and third embodiment, an example of a mechanism for adjusting the orientation of the illumination device 5 will be described. The second and third embodiments will be described with respect to differences from the first embodiment, and the same points will be omitted by using the same reference numerals in the drawings and the like. Further, the mechanism described in the second and third embodiments can be provided for the speaker 7, whereby the front / rear and left / right directions of the speaker 7 can be adjusted.

[Second Embodiment]
FIG. 3 is a view for explaining a second embodiment of the present invention, and FIGS. 3A and 3B show a cross section of the jib 3a of the tower crane 1 similar to FIG. 2B. .

  In this embodiment, the pulley 15 and the wire 17 are provided in the jib 3a as shown in FIG. The pulley 15 is rotatable around a horizontal direction orthogonal to the material axis direction of the jib 3a. A wire 17 extending around the base of the jib 3a is wound around the pulley 15 along the material axis direction of the jib 3a, and each lighting device 5 is attached to the wire 17.

  In the present embodiment, in a normal state (a state in which the wire 17 can freely move), the illumination device 5 swings by its own weight in accordance with the change in the inclination of the jib 3a in the vertical plane as in the first embodiment. face down.

  On the other hand, by pulling one end of the wire 17 and moving it in the direction indicated by the arrow A in FIG. 3B, all the illumination devices 5 rotate simultaneously in the direction indicated by the arrow B. On the other hand, when the other end of the wire 17 is pulled and moved in the reverse direction of the arrow A, all the lighting devices 5 rotate simultaneously in the reverse direction of the arrow B, thereby adjusting the front-rear direction of the lighting device 5. it can. Here, front and rear means the tip side and the base side of the jib 3a on the plane in the material axis direction, and correspond to the left and right in FIGS. 3 (a) and 3 (b). The wire 17 can be operated electrically, for example.

  In this way, by making it possible to adjust the front-rear direction of the illumination device 5 using the wire 17 or the like, the illumination reachable range can be adjusted appropriately. Moreover, in this embodiment, it is possible to adjust the direction of the some illuminating device 5 all at once, and operation becomes easy by this. In addition, arrangement | positioning of a wire etc. is not limited to the example of FIG. It is also possible to provide a wire or the like for each lighting device 5 and individually adjust the front-rear direction for each lighting device 5.

[Third embodiment]
FIG. 4 is a view for explaining a third embodiment of the present invention, and FIGS. 4A and 4B show the same cross section as FIG. 2A for the jib 3b of the tower crane 1. FIG. .

  In this embodiment, as shown to Fig.4 (a), a pair of connecting member 19 is arrange | positioned so that the lower end part of the connecting member 13a provided in the pin 9 may be pinched | interposed from front and back (only one connecting member 19 is shown in the figure). Shown). The lower end portion of the connecting member 13 a and the connecting member 19 are rotatably connected by a pin 21 provided in a direction orthogonal to the pin 9. The illuminating device 5 is attached to the lower end portion of the connecting member 19, and the illuminating device 5 can rotate around the pin 21 in addition to the pin 9.

  In the jib 3b, one wire 22 is connected to each of the left and right sides of the lighting device 5. Here, left and right refer to both sides sandwiching the material axis direction of the jib 3b in a plane and correspond to the left and right in FIGS. 4 (a) and 4 (b).

  On both the left and right sides of the jib 3b, a pulley 23 that rotates about the material axis direction of the jib 3b and a pulley 25 that rotates about a horizontal direction orthogonal to the material axis direction of the jib 3b are provided. The left and right wires 22 of the illuminating device 5 are hooked on the pulleys 23 and 25 and extend to the root side of the jib 3b along the material axis direction of the jib 3b on both left and right sides of the jib 3b.

  Also in the present embodiment, in a normal state (a state in which the wire 22 can freely move), the lighting device 5 swings by its own weight according to the change in the inclination of the jib 3b in the vertical plane, as in the first embodiment. face down.

  On the other hand, by pulling the left wire 22 in FIG. 4B and moving the wire 22 as shown by the arrow C, the illumination device 5 rotates around the pin 21 in the direction shown by the arrow D. When the right wire 22 is pulled and the wire 22 is moved in the reverse direction of the arrow C, the lighting device 5 rotates in the reverse direction of the arrow D around the pin 21. Thereby, the left-right direction of the illuminating device 5 can be adjusted. Similar to the above, the wire 22 can be electrically operated, for example.

  In this way, by making the left and right orientations of the illumination device 5 adjustable with the wire 22 and the like, it is possible to appropriately adjust the illumination reachable range. In addition, although the example which adjusts the right-and-left direction of the one illuminating device 5 was demonstrated in FIG. 4, in fact, the left and right wires 22 extended from each illuminating device 5 are shown in the side of the jib 3b as shown in FIG. It is possible to adjust the left and right orientations of all the lighting devices 5 at once by collecting them into one wire 22 ′. Further, the arrangement of wires and the like is not limited to the examples of FIGS.

  Furthermore, the mechanism described in the third embodiment is used in combination with the mechanism described in the second embodiment, and the front, rear, left, and right directions of the lighting device 5 can be adjusted using the wires 17 and 22 and the like. it can.

  As mentioned above, although embodiment of this invention was described referring an accompanying drawing, the technical scope of this invention is not influenced by embodiment mentioned above. It is obvious for those skilled in the art that various modifications or modifications can be conceived within the scope of the technical idea described in the claims, and these are naturally within the technical scope of the present invention. It is understood that it belongs.

DESCRIPTION OF SYMBOLS 1,101; Tower crane 2,102; Support | pillar 3,3a, 3b; Jib 5,105; Illumination device 7; Speaker 13,13a, 19; Connection member 15,23,25; 100, 200; building

Claims (9)

A crane with a jib,
A crane, wherein an illuminating device is attached to the jib so as to swing downward due to its own weight in accordance with a change in inclination of the jib in a vertical plane.   The crane according to claim 1, wherein the lighting device is adjustable in the front-rear direction.   The crane according to claim 1 or 2, wherein the lighting device can be adjusted in left and right directions.   The crane according to claim 2 or 3, wherein the orientations of the plurality of lighting devices can be adjusted simultaneously.   5. The speaker according to claim 1, wherein a speaker is mounted on the jib so as to swing downward due to its own weight in accordance with a change in the inclination of the jib in a vertical plane. Crane. A crane lighting device mounted on a crane jib,
An illuminating device for a crane, which is swingable so as to face downward due to its own weight in accordance with a change in inclination of the jib in a vertical plane.   The crane lighting device according to claim 6, wherein the front-rear direction is adjustable.   The crane lighting device according to claim 6 or 7, wherein the left and right directions are adjustable. A crane speaker mounted on a jib of a crane,
A crane speaker characterized by being swingable so as to face downward due to its own weight in accordance with a change in the inclination of the jib in a vertical plane.

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