JPH0673812U - Hanging equipment for stage equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a compact and lightweight hanging and moving device for stage equipment that can be used even in a place with a low ceiling or a place with low strength. [Structure] The first rail 32 is supported on a ceiling portion, and a roller 18 is engaged on a lower end rib 32b of the first rail 32 to form a first pulley 1.
Support 4. The second pulley 15 is connected to the first pulley 14 so as to be horizontally rotatable, and the roller 22 of the second pulley 15 is connected.
The upper end rib 33a of the second rail 33 is engaged with and supported by. A roller 27 is engaged with the lower end rib 33b of the second rail 33 to support the third pulley 24, and a camera, a lighting fixture, and the like are hung on its mounting portion 28. The first
The structure may be such that the third pulley 24 is supported by the rail 32 of the above. In the above configuration, the first and second rails 32 and 33 are provided with the intermediate ribs 32c and 33c to prevent the rollers 18, 22 and 27 from coming off.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a stage moving apparatus for suspending stage equipment, such as a camera and a lighting fixture, which are suspended from a ceiling of a stage such as a theater or a photography studio and moved.

[0002]

[Prior art]

 In theaters, shooting studios, and other stages, while stage equipment such as cameras and lighting equipment is suspended from the ceiling and moved, shooting is performed from above and lighting is applied to enhance the effect. Is being done.

FIG. 3 shows an example of a conventionally used suspension moving device for stage equipment.

The moving device 11 has a first rail 13 fixed to a ceiling of a stage such as a theater or a photography studio via a fixture 12. The first rail 13 has ribs 13a and 13b protruding on both sides at the upper and lower ends, and has an I-shaped cross section.

On the first rail 13, a first pulley 14 and a second pulley 15 connected to the first pulley 14 are suspended and supported so as to be movable along the first rail 13.

The first pulley 14 is cantilevered by a frame 16 having a U-shaped cross section and bending portions on both sides of the frame 16 via support shafts 17, 17 and is coaxially opposed to each other. And at least a pair of rollers 18, 18. These rollers 18 ride on and engage with the lower end ribs 13b of the first rails 13.

The second pulley 15 is connected to the center of the lower surface of the frame 16 of the first pulley 14 through a connecting shaft 19 so as to be horizontally rotatable, and has a frame 20 having an inverted U-shaped cross section. The frame 20 has at least a pair of rollers 22 and 22 supported on both sides of the frame 20 in a cantilever manner via supporting shafts 21 and 21 and coaxially opposed to each other.

A second rail 23 is supported by the rollers 22, 22 of the second pulley 15 so as to be movable in the longitudinal direction thereof. That is, the second rail 23 has ribs 23a and 23b protruding on both sides at the upper and lower ends, and the rib 23a at the upper end abuts on and is supported by the upper surfaces of the rollers 22 and 22.

A third pulley 24 is suspended from and supported by the lower end rib 23 b of the second rail 23 along the second rail 23. That is, the third pulley 24 is attached to a frame 25 having a U-shaped cross section, a roller 27 cantilevered on both sides of a bent portion via a support shaft 26, and a central portion of the lower surface of the frame 25. Further, it has a mounting portion 28 for hanging a camera or a lighting device (not shown), and the roller 27 rides on and engages with the lower end rib 23b of the second rail 23. The mounting portion 28 is provided with holes 29, 29 for mounting a camera or a lighting device.

In the case of this example, although not shown, the rollers 18, 22, 27 are paired at a predetermined interval in the front-rear direction of the frames 16, 20, 25, respectively. There are a total of four each.

Therefore, in the moving device 11, by moving the first pulley 14 along the first rail 13, the suspended camera and the lighting fixture are moved in the direction of the first rail 13. be able to.

Further, by rotating the second pulley 15 with respect to the first pulley 14 via the connecting shaft 19, the second rail 23 is formed at a predetermined angle with respect to the first rail 13. Can be rotated.

Further, by sliding the second rail 23 on the roller 22, the second rail 23 itself can be moved in its longitudinal direction, and the roller 27 of the third pulley 24 can be moved to the first position. The third pulley 24 can be moved along the second rail 23 by moving it on the lower end rib 23b of the second rail 23.

Therefore, for example, if the first rail 13 is arranged in the X direction and the second rail 23 is arranged in the Y direction orthogonal to the first rail 13, the first pulley 14 can be moved to the first rail. By moving along the line 13, it is possible to move the camera and lighting equipment suspended and supported by the third pulley 24 in the X direction. In addition, by moving the second rail 23 itself in the longitudinal direction or moving the third pulley 24 along the second rail 23, a camera or a lighting device suspended and supported by the third pulley 24 can be obtained. Can be moved in the Y direction. In this way, the camera and lighting equipment can be moved to any position on the stage ceiling.

[0015]

[Problems to be solved by the device]

 However, in the above-described conventional moving device 11, due to the suspended load, both side bent portions of the frame 16 of the first pulley 14, the frame 20 of the second pulley 15, and the frame 25 of the third pulley 24 are bent. However, as shown by the arrow in FIG. 3, there is a risk that it will open outward by curving, and the rollers 18, 22, and 27 will disengage from the corresponding ribs 13b, 23a, and 23b, and the device will fall. .

Therefore, the frames 16, 20, 25 of the pulleys 14, 15, 24 are made thick and sturdy, and the support shafts 17, 21, 26 of the rollers 18, 22, 27 are made thicker, and by extension, The rollers 18, 22, 27 themselves also had to be large. As a result, the entire equipment was extremely heavy and long in the vertical direction, and could not be used in places with a low stage ceiling or low strength.

Therefore, an object of the present invention is to provide a compact and lightweight hanging and moving device for stage equipment, which can be used even in a place where the ceiling of the stage is low or where the strength is low.

[0018]

[Means for Solving the Problems]

 In order to achieve the above object, one of the apparatus for suspending and moving stage equipment according to the present invention is a rail having ribs protruding from both sides at the upper and lower ends, which is supported by the ceiling of the stage of a theater, a photography studio, etc. A pulley that has at least a pair of rollers that engage with the lower end ribs of the rail from both sides and a mounting portion that suspends a stage fixture such as a camera or a lighting fixture, and a pulley that is movably supported along the rail. In the apparatus for suspending and moving stage equipment, the rail has intermediate ribs that similarly project to both sides between the ribs at the upper and lower ends, and the roller of the pulley has the ribs at the lower end and the intermediate ribs. It is characterized by being inserted between the ribs.

Further, another one of the suspension moving devices for stage equipment according to the present invention is a first type having ribs protruding from both sides at upper and lower ends, which are supported by a ceiling portion of a stage such as a theater or a photography studio. A rail, a first pulley having at least a pair of rollers that engage with a lower end rib of the first rail from both sides, and supported movably along the first rail; and the first pulley. A second pulley that is horizontally rotatably connected to the lower surface of the second pulley and that has at least a pair of rollers that are arranged to face each other, and ribs that project to both sides at the upper and lower ends, and the upper end ribs engage the rollers of the second pulley. In addition, a second rail movably supported in the longitudinal direction, at least a pair of rollers engaging with the lower end rib of the second rail from both sides, and a stage fixture such as a camera or a lighting fixture are suspended. Has a lower mounting part In a suspending and moving device for stage equipment, comprising a third pulley movably supported along the second rail, the first and second rails include ribs of the upper and lower ends. Similarly, it has intermediate ribs projecting on both sides, and the rollers of the first, second, and third pulleys are inserted between the upper or lower ribs and the intermediate ribs. And

In the present invention, the ceiling means an upper part of a stage such as a theater or a shooting studio such as a ceiling or a beam. Further, the rail supported by the ceiling portion is preferably fixed to the ceiling portion, but may be suspended and supported by a wire, rope or the like.

[0021]

[Action]

 According to the present invention, intermediate ribs that also project to both sides are provided between the ribs at the upper and lower ends of the first and second rails, and the rollers of the first, second and third pulleys are provided at the upper ends of the corresponding rails. Alternatively, since it is inserted between the rib at the lower end and the intermediate rib, even if the frame of each pulley opens outward due to the load, the roller is prevented from coming into contact with the intermediate rib and falling off the rail.

Therefore, it is possible to reduce the thickness of the frame of the pulley and to reduce the size of the roller, which makes it possible to reduce the overall weight of the device and reduce its vertical length. As a result, it can be used safely even in a place with a low ceiling on the stage or a place with low strength.

[0023]

【Example】

 FIG. 1 shows an embodiment of a suspension moving device for stage equipment according to the present invention. In the figure, substantially the same parts as those of the conventional device shown in FIG. 3 are designated by the same reference numerals, and the description thereof will be omitted.

The stage moving apparatus 31 for suspending stage equipment has a first rail 32 fixed to the ceiling of the stage by a fixture 12. The first rail 32 has ribs 32a and 32b projecting on both sides at the upper and lower ends, and an intermediate rib 32c projecting on both sides in the middle thereof.

The first rail 32 has a first pulley 14 and a second pulley 15 each having the same structure as the conventional device except that the first rail 32 is light in weight as a whole and is vertically compact. Is suspended and supported. In this case, the roller 18 of the first pulley 14 is inserted between the intermediate rib 32c and the lower end rib 32b of the first rail 32, and is engaged and supported on the lower end rib 32b. The second pulley 15 has a structure similar to that of the conventional device, and is horizontally rotatably connected to the first pulley 14.

The second rail 33 supported by the rollers 22 of the second pulley 15 has ribs 33 a and 33 b protruding on both sides at the upper and lower ends, as well as the first rail 32, and in the middle between them. Similarly, it has an intermediate rib 33c protruding to both sides. The roller 22 of the second pulley 15 is inserted between the upper end rib 33a and the intermediate rib 33c, and the upper end rib 33 is engaged with and supported by the upper surface of the roller 22.

On the second rail 33, a third pulley 24 having the same structure as that of the above-described conventional device is suspended and supported by the second rail 33, except that the weight is reduced as a whole and the vertical direction is made compact. There is. In this case, the roller 27 of the third pulley 24 is inserted between the intermediate rib 33c and the lower end rib 33b of the second rail 33, and is supported by being engaged on the lower end rib 33b.

The third pulley 24 has a mounting portion 28 provided with a hole 29 for mounting a camera or a lighting device, as in the conventional device. It is preferable that at least two third pulleys 24 are provided on the second rail 33 in order to balance in the horizontal direction.

The operation of the moving device 31 is almost the same as that of the conventional device. That is, a camera or a lighting device is attached to the attachment portion 28 of the third pulley 24 and is hung, the first pulley 14 is moved along the first rail 32, and the second rail 33 itself is attached. By moving the third pulley 24 along the second rail 33 while moving along the longitudinal direction, the camera and the lighting device can be moved to any position on the ceiling.

As described above, the operation of the device is the same as that of the conventional device, but the feature of the present invention is that the first and second rails 32 and 33 are provided with the intermediate ribs 32c and 33c. Even when the frames 16, 20, and 25 of the second and third pulleys 14, 15, and 24 are bent by a load and try to open outward, the rollers 18, 22, and 27 are respectively provided with the intermediate ribs 32c and 33c. It comes into contact with and is prevented from falling off.

Therefore, the frames 16, 20, 25 of the pulleys 14, 15, 24 can be made thin and lightweight, and the support shafts 17, 21, 26 of the rollers 18, 22, 27 can be made thin. Therefore, each roller 18, 22, 27 itself can be made smaller. The moving device 31 as a whole can be made lighter in weight and its length in the vertical direction can be shortened, so that it can be safely used even in a place where the ceiling of the stage is low or where its strength is low.

FIG. 2 shows another example of the third pulley applied to the suspension moving device of the above stage equipment. The third pulley 34 has a frame 25 having a U-shaped cross section, and at least a pair of rollers 27 which are cantilevered on both side bent portions of the frame 25 so as to be coaxially opposed to each other via a support shaft 26. The point is the same as the third pulley 24 of the above-mentioned embodiment, except that the attachment portion 35 provided on the lower surface of the frame 25 is a hook-shaped metal fitting. That is, the structure is such that a camera or a lighting device is hooked and mounted on the hook-shaped mounting portion 35. As described above, various structures can be adopted as the structure for suspending the camera and the lighting equipment of the third pulley.

The moving device of the present invention is the moving device 31 shown in FIG. 1, in which the roller 27 of the third pulley 24 is inserted between the lower end rib 32b and the intermediate rib 32c of the first rail 32. Thus, the device in which the third pulley 24 is simply supported by the first rail 32 may be used. In that case, a camera or a lighting device suspended and supported by the mounting portion 35 of the third pulley 24 can be moved in one direction along the first rail 32.

[0034]

[Effect of device]

 As described above, according to the present invention, by providing the intermediate rib between the upper and lower ribs of the I-shaped rail, it is possible to prevent the roller of the pulley from coming off the rail. It can be made thinner and the roller diameter can be made smaller. Therefore, the entire device is compact and lightweight. Therefore, it can be used safely even in a place with a low ceiling on the stage or a place with low strength.

[Brief description of drawings]

FIG. 1 is an end view showing an embodiment of a suspending and moving device for stage equipment of the present invention.

FIG. 2 is an end view showing another example of a third pulley used in the moving device.

FIG. 3 is an end view showing an example of a conventional suspension moving device for stage equipment.

[Explanation of symbols]

 14 First Pulley 15 Second Pulley 16 Frame 17 Spindle 18 Roller 19 Connecting Shaft 20 Frame 21 Spindle 22 Roller 24, 34 Third Pulley 25 Frame 26 Spindle 27 Roller 28, 35 Mounting Part 31 Hanging Movement Device 32 First rail 32a Upper end rib 32b Lower end rib 32c Intermediate rib 33 Second rail 33a Upper end rib 33b Lower end rib 33c Intermediate rib

Claims (2)

[Scope of utility model registration request] 1. Ribs (32a, 3a) which are supported on the ceiling of a stage of a theater, a photography studio, etc. and which project on both sides at the upper and lower ends.
2b), a rail (32) having at least two rollers, at least a pair of rollers engaging the lower end ribs (32b) of the rail (32) from both sides, and a mounting portion for suspending stage equipment such as a camera and a lighting equipment. In the suspending and moving device for stage equipment, which comprises a pulley movably supported along the rails (32), the rails (32) include the ribs (32a, 3a, 3a) at the upper and lower ends.
Intermediate ribs (32c) that also project between both sides between 2b)
The pulley roller has a rib (32) at the lower end.
The hanging moving device for stage equipment, which is inserted between b) and the intermediate rib (32c). 2. Ribs (32a, 3a) which are supported on the ceiling of a stage of a theater, a photography studio, etc. and which project on both sides at the upper and lower ends.
2b) having a first rail (32) and at least a pair of rollers (18) engaging with lower end ribs (32b) of the first rail (32) from both sides,
A first pulley (14) movably supported along the first rail (32), and at least a pair of the first pulley (14) connected to the lower surface of the first pulley (14) so as to be horizontally rotatable and facing each other. Second pulley (15) having a roller (22) and ribs (33a, 33b) protruding to both sides at the upper and lower ends, and the upper end rib (33a) is a roller () of the second pulley (15). 22) and a second rail (33) movably supported in the longitudinal direction, and at least a pair of rollers engaging with a lower end rib (33b) of the second rail (33) from both sides. (27) and a mounting part (2) for suspending stage equipment such as cameras and lighting equipment.
8) and a third sheave (24) movably supported along the second rail (33), wherein the stage moving apparatus for suspending stage equipment comprises: The two rails (32, 33) have intermediate ribs (32c, 33c) that also project on both sides between the upper and lower ribs (32a, 33a, 32b, 33b), and the first, second and Third pulley roller (18,2
2, 27) are ribs (32a, 33a) at the upper end or the lower end.
a, 32b, 33b) and the intermediate ribs (32c, 33b).
A hanging movement device for stage equipment, characterized in that it is inserted between c).