CN204300857U - High strength stage lighting whirligig and stage lighting - Google Patents

Abstract

The utility model discloses a high-strength stage lamp rotating device, which comprises a support frame for supporting the stage lamp body, a base, a rotating shaft assembly and a rotating drive mechanism, and the rotating shaft assembly includes a supporting shaft, a central through hole The rotating shaft and the supporting shaft sleeve, the two ends of the supporting shaft are respectively fixed on the base and the rotating drive mechanism; the rotating shaft is sleeved on the outer periphery of the supporting shaft through its central through hole, and its ends are fixed on the supporting frame There is also a first bearing assembly between the support shaft and the rotating shaft; one end of the supporting shaft sleeve is fixed on the base, the other end extends upwards, and is sleeved on the outer periphery of the rotating shaft, and the support shaft sleeve and the rotating shaft There is also a second bearing assembly between them. The utility model also discloses a stage lamp. By adopting the utility model, the overall stress of the whole device can be further strengthened, so that the whole device is not easily deformed during frequent use, and its service life can be effectively guaranteed.

Description

High-intensity stage light rotating device and stage light

technical field

The utility model relates to the technical field of stage lighting, more specifically, to a high-intensity stage lighting rotating device and a stage lighting.

Background technique

In the field of stage lighting, the existing stage moving head lights generally consist of three parts: a base, a support arm and a lamp head, and the connection between the base and the support arm, and between the support arm and the lamp head is usually required through a shaft assembly, so that the lamp head Can rotate horizontally and vertically. Generally, the rotating shaft assembly used to connect the base and the supporting arm is usually composed of a rotating shaft and two sets of bearing assemblies, and each set of bearing assemblies is composed of a bearing sleeve and a bearing arranged in the bearing sleeve and sleeved on the rotating shaft. In this structure, since each bearing is independently supported by different bearing sleeves, and the structure of a single rotating shaft is used, it is easy to cause uneven force on the whole and low strength of the rotating shaft. When the stage moving head light is frequently rotated and used, It is easy to cause deformation of the shaft.

Contents of the invention

The purpose of the utility model is to overcome at least one defect of the above-mentioned prior art, and provide a high-strength stage light rotating device with a simple and reasonable structure, which can improve the overall structural strength.

Another object of the present utility model is to provide a stage light with the above-mentioned high-strength stage light rotating device.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

The high-strength stage light rotating device includes a support frame for supporting the stage light body, a base, a rotating shaft assembly for connecting the base and the support frame, and a rotary drive mechanism for driving the support frame to rotate relative to the rotating shaft assembly. The rotary drive mechanism is placed inside the support frame; wherein, the rotary shaft assembly includes a support shaft, a rotating shaft with a central through hole and a support sleeve, and the two ends of the support shaft are respectively fixed on the base and the rotary drive mechanism; The rotating shaft is sleeved on the outer periphery of the supporting shaft through its central through hole, and its end is fixed on the support frame; a first bearing assembly is also provided between the supporting shaft and the rotating shaft; one end of the supporting shaft sleeve is fixed It is arranged on the base, and its other end extends upwards, and is sleeved on the outer periphery of the rotating shaft, and a second bearing assembly is also arranged between the supporting sleeve and the rotating shaft.

In this solution, the supporting shaft is provided with an annular flange for positioning the supporting shaft above the rotating shaft. When other fixing parts of the supporting shaft fail or move out of place, they can also be limited by the annular flange to prevent them from falling off downward.

Similarly, the rotating shaft is also provided with an annular boss for positioning the rotating shaft at the top of the supporting shaft sleeve. The annular boss is used to limit and position the rotating shaft, which can effectively prevent other fixed parts of the rotating shaft from malfunctioning or The rotating shaft falls off downwards during the walking.

As a preferred solution, a bearing fixing element is further provided below the second bearing assembly to fix and position the second bearing assembly.

As an improved preferred solution, each of the first bearing assembly and the second bearing assembly includes at least two sets of bearings.

Further, positioning sleeves are provided between the bearings for isolating and positioning the bearings, so that the inner rings of the bearings interact and receive force simultaneously.

The end of the supporting shaft sleeve is also provided with a flange that facilitates its installation with the base, so that the supporting shaft sleeve can be fixedly connected with the base more conveniently.

As an improved preferred solution, the rotary driving mechanism includes a driving motor, a driving wheel, a transmission belt and a driven wheel, the driving motor is connected to the support frame, and its output shaft is connected to the driving wheel; the driving wheel is connected to the driven wheel through the driving belt ; The driven wheel is sleeved on the end of the support shaft.

The driven wheel is fixedly connected to the end of the support shaft through a bolt structure.

In this solution, by starting the drive motor of the rotary drive mechanism, the driving wheel can be driven to rotate, and then drive the transmission belt to move; since the driven wheel is fixedly connected to the support shaft, and the support shaft is connected to the base in sequence, while the drive motor and the rotating shaft are fixedly connected to the support frame , when the transmission belt moves, under the interaction between the transmission belt and the driven wheel, the support frame can rotate relative to the central axis of the shaft, and then drive the stage light body to rotate (rotate in the horizontal direction); at the same time, the support sleeve is fixed on the base On top of that, when the rotating shaft rotates, the supporting sleeve can also play a further role in strengthening the support, so the overall force on the rotating device can be made uniform, and the lamp body of the stage light is not easily deformed when it is frequently rotated.

A stage light, comprising a stage light body and the above-mentioned high-strength stage light rotating device, the stage light body is connected with the supporting frame of the rotating device through a connecting assembly; the supporting frame is a U-shaped supporting frame, and the stage light The lamp body is arranged between the two side walls of the U-shaped support frame, and is rotatably connected with the two side walls of the U-shaped support frame through the connecting assembly.

Compared with the prior art, the beneficial effect of the utility model is: the horizontal rotation movement of the stage light is realized by setting a double-axis structure (support shaft and rotating shaft), and a support shaft for strengthening support is added on the original basis In this way, on the basis of the traditional structure, the overall stress of the device can be further strengthened, so that the entire device (or shaft) is not easily deformed during frequent use, effectively ensuring its service life.

Description of drawings

Fig. 1 is a structural sectional view of Embodiment 1 of the present utility model.

Fig. 2 is a structural sectional view of the rotating shaft assembly shown in Fig. 1 .

FIG. 3 is an exploded schematic view of the rotating shaft assembly shown in FIG. 2 .

Detailed ways

The utility model will be further described below in conjunction with specific embodiments. Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than actual drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present utility model, some parts of the accompanying drawings will be omitted , enlargement or reduction, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings may be omitted.

Example

Referring to Figures 1 to 3, the high-strength stage light rotating device includes a support frame 1 for supporting the stage light body, a base 7, a rotating shaft assembly for connecting the base 7 and the support frame 1, and a driving support frame 1 A rotary drive mechanism that rotates relative to the rotary shaft assembly, the rotary drive mechanism is placed inside the support frame 1; wherein, the rotary shaft assembly includes a support shaft 10, a rotating shaft 8 with a central through hole, and a support sleeve 9, the The two ends of the support shaft 10 are respectively fixed on the base 7 and the rotary drive mechanism; the rotating shaft 8 is sleeved on the outer periphery of the support shaft 10 through its central through hole, and its end (upper end) is fixed on the support frame 1 Above; a first bearing assembly 11 is also provided between the outside of the support shaft 10 and the inside of the rotating shaft 8; one end of the supporting sleeve 9 is fixed on the base 7, and the other end extends upwards and is sleeved on the rotating shaft 8, and a second bearing assembly 5 is provided between the inner side of the support sleeve 9 and the outer side of the rotating shaft 8.

Specifically, the support shaft 10 is fixedly connected to the base 7 and the rotating drive mechanism through a bolt structure, and the shaft 8 and the support frame 1, and the support sleeve 9 and the base 7 are also connected through a bolt structure. permanently connected.

As shown in FIG. 2 , the support shaft 10 is provided with an annular flange 13 above the rotating shaft 8 for positioning the support shaft 10 . When other fixing parts of the support shaft 10 fail or move out of place, the ring-shaped flange 13 can also be used to limit it, so as to prevent it from falling off downward. Similarly, the rotating shaft 8 is also provided with an annular boss 16 for positioning the rotating shaft 8 above the support sleeve 9, and the rotating shaft 8 is limited and positioned by the annular boss 16, which can effectively prevent the rotating shaft from This rotating shaft 8 falls off downwards when other fixed parts of 8 fail or move.

A bearing fixing element 14 is also provided below the second bearing assembly 5 . In this embodiment, the bearing fixing element 14 may be a fixing nut, and the fixing nut is screwed to the lower end of the rotating shaft 8 through a threaded structure. In this way, the bearing washer 14 can fix and position the second bearing assembly 5 from below, so as to prevent the second bearing assembly 5 from moving.

As shown in FIG. 1 , the first bearing assembly 11 includes at least two sets of bearings, and a bearing seat groove is provided inside the rotating shaft 8 , and the first bearing assembly 11 is disposed in the bearing seat groove.

Similarly, as shown in FIG. 1 , the second bearing assembly 5 also includes at least two sets of bearings, and a bearing seat groove is provided inside the support sleeve 9 , and the second bearing assembly 5 is disposed in the bearing seat groove. Wherein, in order to isolate and position each bearing, a positioning sleeve 6 sleeved on the outer periphery of the supporting shaft sleeve 9 is provided between each bearing, so that the inner rings of each bearing interact and receive force simultaneously.

In addition, in order to make the support sleeve 9 more conveniently fixedly connected with the base 7, as shown in FIG. on base 7.

In this embodiment, the rotary driving mechanism includes a driving motor 2, a driving wheel 3, a transmission belt 4 and a driven wheel 12, the driving motor 2 is connected with the support frame 1, and its output shaft is connected with the driving wheel 3; 3 is connected to the driven wheel 12 through the transmission belt 4; the driven wheel 12 is sheathed on the end of the support shaft 10.

The driven wheel 12 is fixedly connected to the upper end of the support shaft 10 through a bolt structure. Specifically, the driven wheel 12 is provided with a central hole, and an annular groove with an enlarged diameter is arranged below the central hole; the end of the support shaft 10 extends into the annular groove, and is faced by the wall of the annular groove. Top positioning.

In this embodiment, by starting the drive motor 2 of the rotary drive mechanism, the driving wheel 3 can be driven to rotate, and then drive the transmission belt 4 to move; since the driven wheel 12 is fixedly connected with the support shaft 10, and the support shaft 10 and the base 7 in sequence, and the drive motor 2. The rotating shaft 8 is fixedly connected with the supporting frame 1. When the transmission belt 4 moves, under the interaction between the driving belt 4 and the driven wheel 12, the supporting frame 1 can rotate relative to the central axis of the rotating shaft 8, and then drive the stage light body to rotate (rotate in the horizontal direction); at the same time, the support sleeve 9 is fixed on the base 7, and when the rotating shaft 8 rotates, the support sleeve 9 can also play a further role in strengthening the support, so that the entire rotating device can be stressed Uniform, not easy to deform when the stage light body is frequently rotated and used.

This embodiment also provides a stage light with the above-mentioned high-intensity stage light rotating device, including a stage light body and the above-mentioned high-intensity stage light rotating device, and the stage light body is connected to the supporting frame of the rotating device through the assembly 1 connection; the support frame 1 is a U-shaped support frame, and the stage light body is arranged between the two side walls of the U-shaped support frame 1, and is connected with the two side walls of the U-shaped support frame 1 through the connecting assembly rotatably connected.

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (10)

1. high strength stage lighting whirligig, comprise the bracing frame for supporting stage lighting lamp body, base, for connecting the rotating shaft assembly of base and bracing frame and the rotary drive mechanism for driving bracing frame relative rotation axi assembly to rotate, described rotary drive mechanism is placed in the inside of bracing frame; It is characterized in that, described rotating shaft assembly comprises back shaft, has the rotating shaft of central through hole and support sleeve, and the two ends of described back shaft are installed on base, rotary drive mechanism respectively; Described rotating shaft is set in the periphery of back shaft by its central through hole, and its end is installed on bracing frame; Clutch shaft bearing assembly is also provided with between back shaft and rotating shaft; One end of described support sleeve is installed on base, and its other end upwards extends, and is set in the periphery of rotating shaft, and is also provided with the second bearing assembly between support sleeve and rotating shaft.

2. high strength stage lighting whirligig according to claim 1, is characterized in that, described back shaft is provided with collar flange for positioning supports axle being positioned at place above rotating shaft.

3. high strength stage lighting whirligig according to claim 1, is characterized in that, described rotating shaft is provided with annular boss for positioning rotating shaft being positioned at place above support sleeve.

4. high strength stage lighting whirligig according to claim 1, is characterized in that, the below of described second bearing assembly is also provided with bearing-fastening member.

5. high strength stage lighting whirligig according to claim 1, is characterized in that, described clutch shaft bearing assembly, the second bearing assembly comprise at least two group bearings respectively.

6. high strength stage lighting whirligig according to claim 5, is characterized in that, is provided with positioning sleeve between described each bearing.

7. high strength stage lighting whirligig according to claim 1, is characterized in that, the end of described support sleeve is also provided with to be convenient to its body flange together with floor installation.

8. high strength stage lighting whirligig according to claim 1, it is characterized in that, described rotary drive mechanism comprises drive motors, driving wheel, driving-belt and driven pulley, and described drive motors is connected with bracing frame, and its output shaft and driving wheel are connected; Driving wheel is connected with driven pulley by driving-belt; Described driven pulley is set in and supports on the tip of the axis.

9. high strength stage lighting whirligig according to claim 8, it is characterized in that, described driven pulley is fixedly connected with by bolt arrangement with the end of back shaft.

10. a stage lighting, is characterized in that, comprise stage lighting lamp body and the high strength stage lighting whirligig described in any one of claim 1 to 9, stage lighting lamp body is connected by the bracing frame of coupling assembling with described whirligig; Support frame as described above is U-shaped bracing frame, and described stage lighting lamp body is located between the two side of U-shaped bracing frame, and is connected rotationally by the two side of described coupling assembling with U-shaped bracing frame.