CN220475494U - Motor mounting bracket, stage lamp arm and stage lamp - Google Patents

Abstract

The utility model discloses a motor mounting bracket, a stage lamp arm and a stage lamp, wherein the motor mounting bracket comprises a first fixing piece, a second fixing piece, a plurality of first spacing columns and a plurality of first buffer gaskets, and the first fixing piece comprises a first mounting plate and a first bending plate which are connected with each other; the second fixing piece comprises a second mounting plate and a second bending plate which are connected with each other; the first end of the first spacing column is connected with a first bending plate or a second bending plate, and the second end of the first spacing column is connected with a stage lamp arm; the first buffer washers are arranged in one-to-one correspondence with the first spacing columns, and the first buffer washers are sleeved at the first ends of the first spacing columns. The motor mounting bracket realizes the separation with the arm beam by arranging the first spacing column, and meanwhile, the first buffer gasket is extruded to deform before the first fixing piece and the second fixing piece, so that the deformation of the arm beam can be prevented from influencing the center distance between the motor output shaft and the second synchronous pulley, and the transmission ratio of the synchronous belt is ensured.

Description

Motor mounting bracket, stage lamp arm and stage lamp

Technical Field

The utility model relates to the technical field of stage lighting, in particular to a motor mounting bracket, a stage lamp arm and a stage lamp.

Background

The rotation stability requirement of the stage performance on the stage lamps is higher and higher, and the rotation speed of the stage lamps is also higher and higher. In the existing products, the rotating structure of the stage lamp is mainly that a motor drives a synchronous belt to realize the horizontal rotating motion of an arm, and an output shaft of the motor is arranged parallel to a rotating shaft of the arm. When lamps and lanterns side hang the use, the arm and install in the motor support of arm can take place deformation, and then lead to the parallel of hold-in range, cause lamps and lanterns rotation effect unstable and facula fixed point to run the position, the fatigue aging of hold-in range influences the life of hold-in range simultaneously.

To this, some product selection is directly fixed the motor on the crossbeam of arm in order to avoid the motor support to warp, but the extension of motor shaft overlength, need be with the arm thickening guarantee the meshing between synchronous pulley and the hold-in range, does not accord with the miniaturized, the lightweight requirement of stage lamps and lanterns, and the increase of size still can bring the increase of packing cost and commodity circulation cost simultaneously.

Therefore, it is needed to provide a motor mounting bracket which can ensure the rotation stability of the stage lamp and meet the requirements of miniaturization and light weight of the stage lamp.

Disclosure of Invention

In order to solve at least one of the technical problems, the utility model provides a motor mounting bracket, a stage lamp arm and a stage lamp, which adopts the following technical scheme:

the motor mounting bracket comprises a first fixing piece, a second fixing piece, a plurality of first spacing columns and a plurality of first buffer gaskets, wherein the first fixing piece comprises a first mounting plate and a first bending plate which are mutually connected, the first mounting plate is abutted with the end face of a motor, which is provided with an output shaft, and the output shaft of the motor passes through the first mounting plate; the second fixing piece comprises a second mounting plate and a second bending plate which are connected with each other, and the second mounting plate is arranged opposite to the first mounting plate and is abutted against the end face of the motor; the first end of the first spacing column is connected with the first bending plate or the second bending plate, and the second end of the first spacing column is connected with a stage lamp arm; the first buffer gaskets are arranged in one-to-one correspondence with the first spacing columns, and the first buffer gaskets are sleeved at the first ends of the first spacing columns.

In some embodiments of the present utility model, the first buffer gasket has a radial buffer portion, the radial buffer portion is sleeved at the first end of the first spacer column, and two ends of the radial buffer portion extend outwards to form an axial buffer portion.

In some embodiments of the present utility model, when the first cushion ring is mounted on the first bending plate, the radial cushion portion is in clearance fit with the first bending plate, and a distance between the two axial cushion portions is greater than a thickness of the first bending plate; when the first buffer gasket is installed on the second bending plate, the radial buffer parts are in clearance fit with the second bending plate, and the distance between the two axial buffer parts is larger than the thickness of the second bending plate.

In some embodiments of the present utility model, the motor mounting bracket further includes a first fastening bolt connected to the first end of the first spacer column, and a first spacer is disposed between the first fastening bolt and the first spacer column.

In some embodiments of the present utility model, a positioning step is provided at a first end of the first spacer, where one of the axial buffer portions abuts against the first spacer, and the other axial buffer portion abuts against the positioning step.

In some embodiments of the utility model, the motor mounting bracket further comprises a positioning column, one end of the positioning column is fixed to the first mounting plate, and the other end of the positioning column is fixed to the second mounting plate.

In some embodiments of the utility model, the motor mounting bracket further comprises a fastening assembly comprising a first fastener threaded through the first mounting plate to the location post and a second fastener threaded through the second mounting plate to the location post.

The utility model also provides a stage lamp arm, which comprises a fixed seat, a motor, an arm beam and the motor mounting bracket, wherein a first synchronous belt wheel is fixed on an output shaft of the motor; the arm beam is pivoted to the fixing seat, a second synchronous belt pulley is arranged on the arm beam, a synchronous belt is connected between the first synchronous belt pulley and the second synchronous belt pulley, and arm supports are arranged on two sides of the arm beam; the first mounting plate of the motor mounting bracket is connected with the arm beam; the motor drives the first synchronous belt pulley to rotate, and the synchronous belt drives the second synchronous belt pulley to rotate, so that the arm beam rotates relative to the fixing seat.

In some embodiments of the present utility model, the stage light fixture arm further includes a second spacer, a first end of the second spacer is connected to the first mounting plate, a second end of the second spacer is connected to the arm beam, and a second buffer gasket is disposed between the first end of the second spacer and the first mounting plate.

The utility model also provides a stage lamp, which comprises the light-emitting part and the stage lamp arm, wherein the light-emitting part is arranged between two arm supports of the stage lamp arm.

The embodiment of the utility model has at least the following beneficial effects: the motor mounting bracket realizes the separation with the arm beam by arranging the first spacing columns, and meanwhile, the first spacing columns are correspondingly provided with the first buffer gaskets which are extruded to deform before the first fixing pieces and the second fixing pieces, so that the deformation of the arm beam can be prevented from influencing the center distance between the motor output shaft and the second synchronous pulley, and the transmission ratio of the synchronous belt is ensured.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a motor mounting bracket;

FIG. 2 is an exploded view of the motor mounting bracket;

FIG. 3 is a schematic view of the structure of the motor mounting bracket;

FIG. 4 is a schematic cross-sectional view of the junction of the first spacer post and the first cushion ring;

fig. 5 is a schematic structural view of a first embodiment of a stage light arm;

fig. 6 is a schematic connection diagram of a first embodiment of a stage light fixture arm;

FIG. 7 is a schematic cross-sectional view of a junction of a second spacer post and a second cushion ring;

fig. 8 is a schematic connection diagram of a stage light arm according to a second embodiment.

Reference numerals: 100. a motor mounting bracket; 111. a first mounting plate; 112. a first bending plate; 121. a second mounting plate; 122. a second bending plate; 130. a first spacer column; 140. a first cushion ring; 141. a radial buffer portion; 142. an axial buffer portion; 151. a first fastening bolt; 152. a first gasket; 160. positioning columns; 171. a first fastener; 172. a second fastener; 173. a fastening screw; 200. a motor; 201. a first synchronous pulley; 300. a fixing seat; 410. an arm beam; 411. a second synchronous pulley; 412. a synchronous belt; 420. an arm support; 430. second spacer columns; 440. a second cushion ring; 451. a second fastening bolt; 452. and a second gasket.

Detailed Description

Embodiments of the present utility model are described in detail below with reference to fig. 1 through 8, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that, if the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are used as directions or positional relationships based on the directions shown in the drawings, the directions are merely for convenience of description and for simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Features defining "first", "second" are used to distinguish feature names from special meanings, and furthermore, features defining "first", "second" may explicitly or implicitly include one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The rotation stability requirement of the stage performance on the stage lamps is higher and higher, and the rotation speed of the stage lamps is also higher and higher. In the existing products, the rotating structure of the stage lamp is mainly that a motor drives a synchronous belt to realize the horizontal rotating motion of an arm, and an output shaft of the motor is arranged parallel to a rotating shaft of the arm. When lamps and lanterns side hang the use, the arm and install in the motor support of arm can take place deformation, and then lead to the parallel of hold-in range, cause lamps and lanterns rotation effect unstable and facula fixed point to run the position, the fatigue aging of hold-in range influences the life of hold-in range simultaneously.

To this, some product selection is directly fixed the motor on the crossbeam of arm in order to avoid the motor support to warp, but the extension of motor shaft overlength, need be with the arm thickening guarantee the meshing between synchronous pulley and the hold-in range, does not accord with the miniaturized, the lightweight requirement of stage lamps and lanterns, and the increase of size still can bring the increase of packing cost and commodity circulation cost simultaneously.

The utility model relates to a stage lamp, which comprises a luminous piece and a stage lamp arm, wherein the luminous piece is arranged on the stage lamp arm, and the stage lamp arm can rotate relative to an installation position to drive the luminous piece to rotate so as to realize the conversion of lamplight effects.

Referring to fig. 5, the present utility model provides a stage light arm, which includes a fixing base 300, a motor 200, an arm beam 410 and a motor mounting bracket 100, wherein the arm beam 410 is pivoted to the fixing base 300, an output shaft of the motor 200 is fixed with a first synchronous pulley 201, the arm beam 410 is mounted with a second synchronous pulley 411, and a synchronous belt 412 is connected between the first synchronous pulley 201 and the second synchronous pulley 411; the first mounting plate 111 of the motor mounting bracket 100 is connected with the arm beam 410; the motor 200 drives the first synchronous pulley 201 to rotate, and drives the second synchronous pulley 411 to rotate through the synchronous belt 412, so that the arm beam 410 rotates relative to the fixed seat 300.

Further, arm supports 420 are mounted at two ends of the arm beam 410, the light emitting element is mounted between the two arm supports 420, the optical axis of the light emitting element and the rotation axis of the second synchronous pulley 411 have a first direction and a second direction which are included angles, when the arm beam 410 rotates, the arm supports 420 drive the light emitting element to rotate around the second direction to adjust the light emitting angle.

It can be appreciated that in some embodiments, the stage light arm further includes a driving assembly, the light emitting member is rotatably mounted on the arm support 420, and the driving assembly can drive the light emitting member to rotate around the first direction so as to adjust the lighting effect of the stage light. Specifically, the driving assembly and the luminous element can be arranged in a transmission mode such as gear transmission, belt transmission and the like.

Other constructions and operations of the stage light fixture arm are well known to those skilled in the art and will not be described in detail herein, and the structure of the motor mounting bracket 100 will be described below.

Referring to fig. 1 to 4, the present utility model relates to a motor mounting bracket 100, the motor mounting bracket 100 including a first fixing member, a second fixing member, a plurality of first spacer columns 130 and a plurality of first buffer washers 140, the first fixing member including a first mounting plate 111 and a first bending plate 112 connected to each other, the first mounting plate 111 being abutted with an end face of a motor 200 on which an output shaft is mounted, the output shaft of the motor 200 being disposed through the first mounting plate 111; the second fixing piece comprises a second mounting plate 121 and a second bending plate 122 which are connected with each other, and the second mounting plate 121 is arranged opposite to the first mounting plate 111 and is abutted against the end face of the motor 200; the first end of the first spacing column 130 is connected with the first bending plate 112 or the second bending plate 122, and the second end of the first spacing column 130 is connected with the arm bracket 420; the first buffer washers 140 are disposed in one-to-one correspondence with the first spacer columns 130, and the first buffer washers 140 are sleeved at the first ends of the first spacer columns 130. The motor mounting bracket 100 is separated from the arm beam 410 by arranging the first spacing columns 130, meanwhile, the first spacing columns 130 are correspondingly provided with the first buffer gaskets 140, the first buffer gaskets 140 are extruded to deform before the first fixing pieces and the second fixing pieces, the deformation of the arm beam 410 can be prevented from influencing the center distance between the output shaft of the motor 200 and the second synchronous pulley 411, and the transmission ratio of the synchronous belt 412 is ensured.

Specifically, the first cushion ring 140 is made of a soft and deformable material, so that the first cushion ring 140 can deform before the first fixing piece or the second fixing piece, and when the arm beam 410 deforms, the first cushion ring 140 can absorb deformation to ensure the relative fixation of the motor 200 assembly, and the movement of the output shaft of the motor 200 is avoided. In this embodiment, the first buffer gasket 140 is made of rubber, and when the arm beam 410 is deformed, the first spacer 130 moves along with the deformation of the arm beam 410, and the first buffer gasket 140 can prevent the first end of the first spacer 130 from directly pressing the first bending plate 112 or the second bending plate 122, so as to avoid plastic deformation of the motor mounting bracket 100.

Further, the first cushion ring 140 has a radial cushion portion 141, and the radial cushion portion 141 is sleeved on the first end of the first spacer 130. It can be appreciated that, taking the first bending portion as an example, when the first spacer column 130 moves along the radial direction thereof, the first end of the first spacer column 130 presses the radial buffer portion 141, and the radial buffer portion 141 made of rubber can absorb the pressing of the first spacer column 130 and deform, so as to avoid the displacement of the motor 200 caused by the direct pressing of the first spacer column 130 on the first bending plate 112.

Specifically, when the first cushion ring 140 is mounted to the first bending plate 112, the radial cushion portion 141 is in clearance fit with the first bending plate 112; when the first cushion 140 is mounted on the second bending plate 122, the radial cushion portion 141 is in clearance fit with the second bending plate 122. It will be appreciated that taking the second bending plate 122 as an example, a gap is reserved between the radial buffer portion 141 and the second bending plate 122 to facilitate assembly, and at the same time, more buffer space is provided. In this embodiment, an assembly gap of 0.25mm is left between the radial buffer 141 and the first bending plate 112.

In some of these embodiments, the motor mounting bracket 100 further includes a first fastening bolt 151, specifically, a first end of the first spacer post 130 is provided with an internal thread that mates with the first fastening bolt 151, the first fastening bolt 151 is connected to the first spacer post 130, and a first spacer 152 is provided between the first fastening bolt 151 and the first spacer post 130. It will be appreciated that, taking the first bending plate 112 as an example, the first fastening bolts 151 can be provided to detachably connect the first spacer 130 and the first bending plate 112, so as to facilitate the separation of the motor mounting bracket 100 and the arm beam 410.

Further, the first end of the first spacer 130 is provided with a positioning step to achieve the relative positioning between the first spacer 130 and the first bending plate 112 or the second bending plate 122. Specifically, referring to the drawings, one end of the first cushion ring 140 abuts against the first pad 152, and the other end abuts against the positioning step.

Specifically, the two ends of the radial buffer portion 141 extend outwards to form an axial buffer portion 142, and the cross section of the first buffer gasket 140 is in an "i" shape. One of the two axial buffer portions 142 is abutted against the first spacer 152, and the other is abutted against the positioning step. Taking the first bending plate 112 as an example, when the first spacer 130 moves axially, the positioning step presses the axial buffer portion 142, or the first spacer 152 presses the axial buffer portion 142, the axial buffer portion 142 can absorb deformation, so as to prevent the first bending plate 112 from being deformed due to stress, so that the first mounting plate 111 can maintain rigidity, and the center distance between the output shaft of the motor 200 and the second synchronous pulley 411 remains unchanged.

Specifically, when the first cushion ring 140 is mounted to the first bending plate 112, the interval between the two axial cushion parts 142 is greater than the thickness of the first bending plate 112; when the first cushion 140 is mounted on the second bending plate 122, the interval between the two axial cushion portions 142 is greater than the thickness of the second bending plate 122. Taking the first bending plate 112 as an example, it can be appreciated that the first bending plate 112 is installed between the two axial buffering portions 142 in a clearance manner, so that the first buffering washer 140 is installed conveniently, and meanwhile, a more sufficient buffering space can be reserved when the deformation amount of the arm beam 410 is larger. In this embodiment, the interval between the two axial buffer portions 142 is 0.5mm more than the thickness of the first bending plate 112.

In some of these embodiments, the motor mounting bracket 100 further includes a positioning post 160, one end of the positioning post 160 is fixed to the first mounting plate 111, and the other end is fixed to the second mounting plate 121. It will be appreciated that the locating posts 160 may assist in determining the relative position between the first mounting plate 111 and the second mounting plate 121, avoiding excessive compression of the motor 200 by the motor mounting bracket 100. In this embodiment, a mounting substrate is disposed at one end of the motor 200, on which the output shaft is mounted, and the positioning column 160 is abutted against the mounting substrate and is fixedly connected with the first mounting plate 111.

Further, the motor mounting bracket 100 further includes a fastening assembly including a first fastening member 171 and a second fastening member 172, wherein the two ends of the positioning column 160 are provided with internal threads, and the first fastening member 171 passes through the first mounting plate 111 and the mounting substrate of the motor 200 and is in threaded connection with the positioning column 160, so as to realize the relative fixation between the first mounting plate 111 and the positioning column 160. The second fastener 172 is threaded through the second mounting plate 121 and the positioning post 160 to achieve relative fixation between the second mounting plate 121 and the positioning post 160. It will be appreciated that in other embodiments, the first and second fasteners 171, 172 may also be configured as pins to achieve relative fixation between the first and second mounting plates 111, 160, 121.

It will be appreciated that the fastening assembly further comprises fastening screws 173, the fastening screws 173 being used for achieving a relative fixation between the motor mounting bracket 100 and the motor 200, and in the present embodiment, two fastening screws 173 are provided in combination with the drawings.

Referring to fig. 7, in some embodiments, the stage light fixture arm further includes a second spacer 430, a first end of the second spacer 430 is connected to the first mounting plate 111, a second end of the second spacer 430 is connected to the arm beam 410, and a second buffer gasket 440 is disposed between the first end of the second spacer 430 and the first mounting plate 111. Specifically, the connection between the second spacer post 430 and the second cushion washer 440 is the same as the connection between the first spacer post 130 and the first cushion washer 140. Referring to the drawings, a second fastening bolt 451 is connected to a first end of the second spacing column 430, and a second spacer 452 is provided between the second fastening bolt 451 and the second spacing column 430.

It will be appreciated that when the first spacer post 130 presses against the radial buffer portion 141 of the first buffer washer 140, the second spacer post 430 presses against the axial buffer portion 142 of the second buffer washer 440; when the first spacer post 130 presses the axial buffer portion 142 of the first buffer washer 140, the second spacer post 430 presses the radial buffer portion 141 of the second buffer washer 440.

In the following, the utility model is described in detail with two specific embodiments, it being noted that the following description is merely illustrative and not a specific limitation of the utility model.

Embodiment one:

referring to fig. 5 and 6, when the motor 200 is mounted above the arm beam 410, the arm support 420 is bent downward due to the gravity of the downward light emitting member, the second bending plate 122 is subjected to the downward pulling force of the first spacer 130, the axial buffer portion 142 of the first buffer washer 140 is first deformed by extrusion, when the deformation amount of the rubber material reaches the maximum value, the first spacer 130 presses the radial buffer portion 141 of the first buffer washer 140 rightward, and at the same time, the first bending plate 112 is subjected to the rightward pulling force, the first spacer 130 presses the radial buffer portion 141 of the first buffer washer 140 rightward, the motor mounting bracket 100 has a tendency to move rightward as a whole, the axial buffer portion 142 of the second buffer washer 440 at the first mounting plate 111 is pressed to ensure that the rigidity of the whole motor mounting bracket 100 is not deformed, and the center distance between the first synchronous pulley 201 at the output shaft of the motor 200 and the second synchronous pulley 411 on the arm beam 410 is kept unchanged.

Embodiment two:

referring to fig. 8, when the motor 200 is mounted below the arm beam 410, the arm support 420 receives the gravity of the downward light-emitting component, the arm support 420 is bent downward and deformed, the second bending plate 122 receives the leftward downward pressure of the first spacer column 130, the axial buffer portion 142 of the first buffer gasket 140 is extruded and deformed, and when the deformation amount of the rubber material reaches the maximum value, the radial buffer portion 141 of the first buffer gasket 140 is extruded leftward by the first spacer column 130, so that the downward bending and deformation of the arm support 420 are satisfied, and at this time, the motor mounting support 100 still maintains the rigid position unchanged; when the deformation of the radial buffer portion 141 of the first buffer washer 140 reaches the maximum value, the motor mounting bracket 100 has a tendency to move leftwards as a whole, and the axial buffer portion 142 of the second buffer washer 440 at the first mounting plate 111 is deformed by extrusion, so as to ensure that the rigidity of the motor mounting bracket 100 as a whole is not deformed, and the center distance between the first synchronous pulley 201 at the output shaft of the motor 200 and the second synchronous pulley 411 on the arm beam 410 is kept unchanged.

In the description of the present specification, if a description appears that makes reference to the term "one embodiment," "some examples," "some embodiments," "an exemplary embodiment," "an example," "a particular example," or "some examples," etc., it is intended that the particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Motor mounting bracket, its characterized in that includes:

the first fixing piece comprises a first mounting plate (111) and a first bending plate (112) which are connected with each other, the first mounting plate (111) is abutted with the end face of the motor (200) provided with an output shaft, and the output shaft of the motor (200) is arranged through the first mounting plate (111);

the second fixing piece comprises a second mounting plate (121) and a second bending plate (122) which are connected with each other, and the second mounting plate (121) is arranged opposite to the first mounting plate (111) and is abutted against the end face of the motor (200);

the first ends of the first spacing columns (130) are connected with the first bending plate (112) or the second bending plate (122), and the second ends of the first spacing columns (130) are connected with a stage lamp arm;

the first buffer washers (140) are arranged in one-to-one correspondence with the first spacing columns (130), and the first buffer washers (140) are sleeved at the first ends of the first spacing columns (130).

2. The motor mounting bracket of claim 1, wherein: the first buffer gasket (140) is provided with a radial buffer part (141), the radial buffer part (141) is sleeved at the first end of the first spacing column (130), and two ends of the radial buffer part (141) extend outwards to form an axial buffer part (142).

3. The motor mounting bracket of claim 2, wherein: when the first buffer gasket (140) is mounted on the first bending plate (112), the radial buffer parts (141) are in clearance fit with the first bending plate (112), and the distance between the two axial buffer parts (142) is larger than the thickness of the first bending plate (112); when the first buffer gasket (140) is mounted on the second bending plate (122), the radial buffer parts (141) are in clearance fit with the second bending plate (122), and the distance between the two axial buffer parts (142) is larger than the thickness of the second bending plate (122).

4. The motor mounting bracket of claim 2, wherein: the motor mounting bracket (100) further comprises a first fastening bolt (151), the first fastening bolt (151) is connected with the first end of the first spacing column (130), and a first gasket (152) is arranged between the first fastening bolt (151) and the first spacing column (130).

5. The motor mounting bracket of claim 4, wherein: the first end of the first spacing column (130) is provided with a positioning step, one axial buffer part (142) is abutted with the first gasket (152), and the other axial buffer part (142) is abutted with the positioning step.

6. The motor mounting bracket according to any one of claims 1 to 5, wherein: the motor mounting bracket (100) further comprises a positioning column (160), one end of the positioning column (160) is fixed to the first mounting plate (111), and the other end of the positioning column is fixed to the second mounting plate (121).

7. The motor mounting bracket of claim 6, wherein: the motor mounting bracket (100) further comprises a fastening assembly, the fastening assembly comprises a first fastening piece (171) and a second fastening piece (172), the first fastening piece (171) penetrates through the first mounting plate (111) to be in threaded connection with the positioning column (160), and the second fastening piece (172) penetrates through the second mounting plate (121) to be in threaded connection with the positioning column (160).

8. Stage lamps and lanterns arm, its characterized in that includes:

a fixed base (300);

a motor (200), wherein a first synchronous belt wheel (201) is fixed on an output shaft of the motor (200);

the arm beam (410), arm beam (410) pin joint in fixing base (300), arm beam (410) install second synchronous pulley (411), be connected with hold-in range (412) between first synchronous pulley (201) and second synchronous pulley (411), arm support (420) are installed to both sides of arm beam (410);

the motor mounting bracket (100) of any of claims 1 to 7, the first mounting plate (111) being connected to the arm cross member (410);

the motor (200) drives the first synchronous belt pulley (201) to rotate, and drives the second synchronous belt pulley (411) to rotate through the synchronous belt (412), so that the arm beam (410) rotates relative to the fixed seat (300).

9. The stage light fixture arm of claim 8, wherein: the stage lamp arm further comprises a second spacing column (430), a first end of the second spacing column (430) is connected with the first mounting plate (111), a second end of the second spacing column (430) is connected with the arm beam (410), and a second buffer gasket (440) is arranged between the first end of the second spacing column (430) and the first mounting plate (111).

10. Stage lamps and lanterns, its characterized in that includes:

stage light fixture arm according to claim 8 or 9;

the luminous piece is arranged between the two arm supports (420).