CN108725015B - A kind of link turns over spectrum page device - Google Patents

Abstract

The invention discloses a kind of linkages to turn over spectrum page device, including music score sheet, support music score sheet spectrum this, in the left and right bottom plate for composing the connection of this bottom side, the left and right frame plate being fixedly connected on the bottom plate of left and right, revolution screw rod and guiding slide bar between the frame plate of left and right, the moving slide block that revolution screw rod is set and is oriented on slide bar, the driving motor being arranged on light frame plate lateral surface；On moving slide block in plane and right frame plate side facade on, the Xi Yeboye mechanism provided with linkage；In left and right, substrate is respectively provided with left and right Ya Ye mechanism；It is provided on right bottom plate and inhales page sticking separating mechanism；Apparatus of the present invention use lever, swing rod, rocking bar linkage mechanism, while being equipped with main drive motor and lifting, oscillating cylinder realize page turning and inhale the purpose of page sticking separation；When playing to when the most tail portion of page can fast automatic page turning, and ensure to turn over one page music score every time, while in normal play, compose that this page of energy is stable and firm to be held down.

Description

A kind of link turns over spectrum page device

Technical field

The present invention relates to a kind of automatic music leaf turner more particularly to a kind of linkage mechanism devices of intelligent automatic music leaf turning.

Background technique

Ordinary populace participation recreational activities is more and more frequent in reality, and the demand to music easel is also more and more, for convenience Player is coherent to play, and automatic music leaf turner is installed on music easel or some musical instruments to be just particularly important.It is obtained through retrieval and inquisition Know, relatively, 1 is: CN100556707C- automatic music leaf turner for the technical solution of three sections of patents and the technology of the present invention below；2 It is: a kind of electric means for turning-over music score of CN201120540090.5-；3 are: a kind of performance music score turnover device of CN201620441373.7-.This Three patented technologies are all to solving to realize that music score turns over the function of spectrum and is made that certain technical contribution, it was also proposed that corresponding feasible Technical solution.But as using linkage combined mechanism, using the Xi Yeboye mechanism of lever action, skill of the invention Art solution is still put forward for the first time, and above-mentioned 3 patented technologies are not mentioned.Patent 1 is by door shape leaf turner first Turn over music score purpose to realize, the structure for so opening and closing revolving door is more complicated, need a certain number of gears, rack part, And make, installation cost it is higher, two come to be if it happens adhered spectrum page technical solution also do not mention, third is that not having Pushing down for spectrum page is also clearly explained without work in the case where turning over spectrum；Secondly patent 2 is to realize to turn over music score mesh by magnetic , special requirement is just proposed to the papery of music score sheet in this way, and the purpose of page turning is originally difficult to realize for common music score ；Patent 3 is to turn over music score purpose by the mechanical linkage which controls of foot-operated control to realize, first is that in actual operation to operator Additional action request is proposed while playing, second is that can propose to independent music stand or be connected on musical instrument plate different Structural requirement, also not general and interchangeability is poor, while also different from design scheme of the invention and design, therefore can as one kind Just seem particularly necessary using Photoelectric Detection or sound detection and using the device that lever linkage action turns over spectrum page.

Summary of the invention

People need a kind of brief and practical and low-cost reliable apparatus when using music leaf turner, on the one hand without drilling The person of playing increase additional operational motion and meanwhile play to when the most tail portion of page can fast automatic page turning, and ensure to turn over every time One page it is accurate and reliable, while in normal play, compose that this page of energy is stable and firm to be held down；It sets out progress in line with above-mentioned objective Present invention design.

The present invention designs device and uses using the Xi Yeboye mechanism of linkage, the left and right Ya Ye mechanism of linkage and inhale viscous Page separating mechanism, and it is equipped with electric eye (or voice signal detection) detection control means, device is issued and is instructed, realizes and turns over spectrum page Purpose；Using lever, swing rod, rocking bar linkage, reliable in action is adjustable, while being equipped with main drive motor and liter for present invention design Drop, oscillating cylinder realize page turning and inhale the purpose of page sticking separation, have reached design requirement and purpose of design.

In order to achieve the above object, the present invention uses following scheme:

Spectrum page device is turned in a kind of linkage, including music score sheet, support music score sheet spectrum this, this bottom side is fixed to be connected composing The left and right bottom plate connect, the left and right frame plate being fixedly connected on the bottom plate of left and right, through the revolution screw rod of connection between the frame plate of left and right With guiding slide bar, it is connect the moving slide block connecting simultaneously with guiding slide bar slide opening with revolution screw flight between the frame plate of left and right, The driving motor being arranged concentrically on the outer side elevation for turning round screw rod end, light frame plate；It is characterized by: being put down on moving slide block On face and right frame plate side facade on, setting linkage Xi Yeboye mechanism；The respectively arranged left and right pressure of substrate in left and right Page mechanism；The suction page sticking separating mechanism being arranged on right bottom plate.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: the Xi Yeboye mechanism is included in movement and slides The sucker seat board that plane is fixedly connected on block, the detection electric eye being vertically arranged on sucker seat board, upper sucker and swing rod support, In Hinged swing rod at swing rod block end shaft sets hinge hole among the swing rod, and swing rod one end sets shift fork mouth and upper sucker is cut with scissors It connects, the swing rod other end sets vertical holes and is fixedly connected with page bar is dialled；The suction page that linkage is arranged on the facade of right frame plate side is dialled Page mechanism further includes the swing link bracket being fixedly connected on the facade of right frame plate side, and pin shaft is hingedly arranged at the position of swing link bracket angle With L shape swing rod, described L shape swing rod one end is overlayed on the upper top surface of upper sucker, and the L shape swing rod other end, which is fixedly connected, to be touched Bar, the lance being arranged on the extension and moving slide block of the touching lever, which is affixed, to be hit.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: the upper sucker is elastic absorption component, upper suction Disk downlink then sucker deformation, form vacuum suction, upper sucker uplink then sucker recoverable force, vacuum expendable pattern, at the top of upper sucker Be arranged concentrically ejector spring between top surface on sucker seat board.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: in the geometry of the moving slide block right side The lance of thread connection is set at the heart, and the center via hole that the lance passes through right frame plate is affixed with touching lever to be hit.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: left and right Ya Ye mechanism includes being fixed on a left side Left and right seat board on right bottom plate, the support being respectively fixedly connected with left and right seat board, the traveller being separately fixed between two supports, point The sliding block not being sleeved on traveller, it is coaxial with traveller and what is be arranged between sliding block or so lateral surface and support or so medial surface answers Position spring；Left and right Ya Ye mechanism further includes the facade recess setting torque arm before sliding block, and the torque arm is swing rod shape, is turned round Arm swing rod shaft hole is rotatably assorted with sliding block cylinder outstanding and connect, and the torque arm swing link end part and two front end of sucker seat board are arranged Symmetrical protruding column collide contact, torsional spring is set between facade recess before torque arm axis hole position inner cavity and sliding block, it is described Torsional spring both ends cylindrical portion one end is connect with sliding block jack, the other end and torque arm jack connect, the outer end at the torque arm shaft hole Pressure page axis is fixedly installed in face with one heart, and in the pressure page axis front end, several pressure page bars are fixedly installed in arrangement, and the pressure page bar is another Free end torsion is pressed on this page of music score.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: the suction page sticking separating mechanism includes and right bottom The support baseboard that board bottom face is fixedly connected, in the lower sucker lifting cylinder of support baseboard following settings, on support baseboard with The concentric lower sucker strut being hingedly arranged of lifting cylinder, the cylinder rod of the hinged push-jump cylinder of described strut one end kidney slot, institute State the strut other end and be fixedly connected with lower sucker, when the lower sucker sucker mouth is below the push-jump page to upper sucker, with upper suction Disk center, which aligns and pastes, inhales page lower plane, and the push-jump cylinder is fixedly connected on right bottom plate bottom surface.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: the lower sucker is elastic absorption component, lower suction Disk uplink then sucker deformation, form vacuum suction, lower sucker downlink then sucker recoverable force, vacuum expendable pattern are produced in absorption moment The raw downward suction smaller than upper force of suction cup.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: the detection electric eye, which can be, detects music score The delay detection control of text or sign flag on this page is also possible to play sound when arriving the last one note of this page The instant detection control of detection.

Spectrum page device is turned in a kind of linkage as described above, it is characterised in that: described device can be used alone, can also be with Sheet music stand plays an instrument and is integrally connected use, and the driving motor speed can cooperate adjusting.

In conclusion the present invention compared with the existing technology the beneficial effect is that:

One, the spectrum page device that turns over that the present invention can be used as daily people's instrument playing is used, and can be used as in common music score It is used on frame, can also assemble and use in the suitable position of the placement music score plane on musical instrument, it can general and exchange.

Two, the present invention presses page device to nor affect on using effect even if there is phoenix to blow in outdoor application due to having, than It is more practical.

Three, the present invention is the structure design part of mechanical linkage, the feelings for needing the gentle source of small electric power, not having in condition It is also conceivable to realizing movement of the invention using battery supply and electromagnet action element under condition, plasticity of the present invention and into The innovation of one step space is all larger and its advantageous one aspect.

Detailed description of the invention

Fig. 1 is monnolithic case schematic diagram of the present invention；

Fig. 2 is the appearance schematic diagram of Xi Yeboye mechanism (9) of the present invention；

Fig. 3 is the decomposition diagram of Xi Yeboye mechanism (9) of the present invention；

Fig. 4 is the appearance schematic diagram of Ya Ye mechanism (10) of the present invention；

Fig. 5 is the decomposition diagram of Ya Ye mechanism (10) of the present invention；

Fig. 6 is the appearance schematic diagram that the present invention inhales page sticking separating mechanism (11)；

Fig. 7 is the decomposition diagram that the present invention inhales page sticking separating mechanism (11).

Specific embodiment

The invention will be further described with specific embodiment for explanation with reference to the accompanying drawing:

Spectrum page device is turned in a kind of linkage as shown in Figure 1, including music score sheet 1, support music score sheet 1 spectrum this 2, spectrum this The left and right bottom plate 3 that 2 bottom side of frame is fixedly connected, the left and right frame plate 4 being fixedly connected on left and right bottom plate 3, between left and right frame plate 4 Through the revolution screw rod 5 and guiding slide bar 6 of connection, it is threadedly coupled between left and right frame plate 4 with revolution screw rod 5 and is slided simultaneously with guiding The moving slide block 7 of 6 slide opening of bar connection, the driving electricity being arranged concentrically on the outer side elevation for turning round 5 end of screw rod, light frame plate 401 Machine 8；It is characterized by: on moving slide block 7 in plane and 402 side facade of right frame plate on, setting linkage suction page dial page machine Structure 9；The respectively arranged left and right Ya Ye mechanism 10 on left and right bottom plate 3；The suction page sticking separating mechanism being arranged on right bottom plate 302 11。

Xi Yeboye mechanism 9 as described in Fig. 2, Fig. 3 includes the sucker seat board that plane is fixedly connected on moving slide block 7 12, detection electric eye 13, upper sucker 14 and the swing rod support 15 being vertically arranged on sucker seat board 12 turn in 15 end of swing rod support Hinged swing rod 16 at axis sets hinge hole among the swing rod 16, and 16 one end of swing rod sets shift fork mouth and upper sucker 14 is hinged, described 16 other end of swing rod sets vertical holes and is fixedly connected with page bar 17 is dialled；The suction page that linkage is arranged on 402 side facade of right frame plate is dialled Page mechanism 9 further includes the swing link bracket 18 being fixedly connected on 402 side facade of right frame plate, hinged at 18 jiaos of positions of swing link bracket Setting pin shaft 19 and L shape swing rod 20, described 20 one end of L shape swing rod overlay on the upper top surface of upper sucker 14, the L shape swing rod 20 The other end is fixedly connected with touching lever 21, and the lance 22 being arranged on the extension and moving slide block 7 of the touching lever 21, which is affixed, to be hit.

Further upper 14 downlink of sucker drives 16 one end of swing rod to deflect down, then dials page bar 17 at 16 other end of swing rod Above spectrum page, when upper 14 uplink of sucker drives 16 one end of swing rod to upward deflect, then group page bar 17 at 16 other end of swing rod Below spectrum page, realizes the lower section that group page bar 17 is inserted in individual spectrum page paper picked up, be ready for movable page turning.

What the opportunity of further upper 14 downlink of sucker was determined by the pushing opportunity of L shape swing rod 20, and turn of swing rod 20 Dynamic pushing instruction is to be transmitted on the cursor of swing rod 20 by lance 22 by touching lever 21, and the length for adjusting lance 22 can determine Surely the opportunity of upper 14 downlink of sucker is in plumbness by self weight in nature swing rod 20.

Upper sucker 14 as described in Fig. 2, Fig. 3 is elastic absorption component, the then sucker deformation, formation vacuum of upper 14 downlink of sucker Absorption, upper 14 uplink of sucker then sucker recoverable force, vacuum expendable pattern, on upper 14 top of sucker and sucker seat board 12 between top surface It is arranged concentrically ejector spring 23.

The effect of further spring 23 be exactly when there is no the lower pressure of swing rod 20, the elastic force of reliable spring 23 is by upper suction Disk 14 is promoted, while spectrum page being picked up, and upper sucker 14 discharges vacuum and separates with spectrum page in the less time picked up, and is picked up Spectrum page dialled page bar 17 and held and mobile by page turning to the other side.

The lance 22 of thread connection is set at the geometric center of 7 right side of moving slide block as described in Fig. 2, Fig. 3, it is described to hit The center via hole that bar 22 passes through right frame plate 402 is affixed with touching lever 21 to be hit.

Further lance 22 can adjust stretching length by screw thread, and lance 22 can be set with touching lever 21 at the patch place of hitting Silencing apparatus, avoids the occurrence of impact sound, and weight of the touching lever 21 after coupling with swing rod 20 will be more than the pressure arm for the hole other side of shipping and reselling on another market Weight, so that reliably self weight makes at swing rod 20 in vertical state under free status of support of shipping and reselling on another market.

Left and right Ya Ye mechanism 10 as described in Fig. 4, Fig. 5 includes the left and right seat board 24 being fixed on left and right bottom plate 3, with left and right The support 25 that seat board 24 is respectively fixedly connected with, the traveller 26 being separately fixed between two supports 25, is set on traveller 26 Sliding block 27, and the reset spring that sliding block 27 or so lateral surface and support 25 or so medial surface between is arranged coaxial with traveller 26 28；Left and right Ya Ye mechanism 10 further includes the facade recess setting torque arm 29 before sliding block 27, and the torque arm 29 is swing rod shape Shape, 29 swing rod shaft hole of torque arm are rotatably assorted with the cylinder outstanding of sliding block 27 and connect, 29 swing link end part of torque arm and sucker disk seat The symmetrical protruding column of 12 liang of front ends of plate setting collides contact, and facade is recessed it before 29 axis hole position inner cavity of torque arm and sliding block 27 Between torsional spring 30 is set, described 30 both ends cylindrical portion one end of torsional spring connect with 27 jack of sliding block, the other end and 29 jack of torque arm company It connects, pressure page axis 31 is fixedly installed in outer end face with one heart at 29 shaft hole of torque arm, and in 31 front end of pressure page axis, arrangement is solid Several pressure page bars 32 are set surely, and the torsion of another free end of the pressure page bar 32 is pressed on 1 page of music score sheet.

The quantity of further pressure page bar 32 can be 1 and be also possible to 2 or more than one piece, can this specification is appropriate according to music score It chooses in proportion, waves the purpose is to push down spectrum page in normal play, not make to compose page, influences to watch.

The installation of further torsional spring and torsion design, spectrum page can be pushed down, while when being hit reversion can easily by Torsion, thus torsion be not easy it is excessive.

Further pressure page bar 32 drives torsion by torque arm 29 and pressure page axis 31, what the angle of torsion should be avoided picking up Page is composed, therefore presses the position of the pressure spectrum page of page bar 32 should as far as possible in the outer part.

The symmetrical protruding column of further 7 liang of front ends of moving slide block setting, can be the adjustable flexible spiral shell of length Bar, the angle that can be rocked in this way to the opportunity of collision and pressure page bar 32 are adjusted.

The symmetrical protruding column end of further 7 liang of front ends of moving slide block setting and 29 impact portions of torque arm can set noise elimination Device avoids generating noise.

Suction page sticking separating mechanism 11 as described in Fig. 6, Fig. 7 includes the support baseboard being fixedly connected with right 302 bottom surface of bottom plate 33, it is concentric with lifting cylinder 34 on support baseboard 33 in the lower sucker lifting cylinder 34 of 33 following settings of support baseboard The lower sucker strut 35 being hingedly arranged, the cylinder rod of the hinged push-jump cylinder 36 of 35 one end kidney slot of strut, the strut 35 The other end is fixedly connected with lower sucker 37, when the lower 37 sucker mouth of sucker is below the push-jump page to upper sucker 14, with upper suction 14 center of disk, which aligns and pastes, inhales page lower plane, and the push-jump cylinder 36 is fixedly connected on right 302 bottom surface of bottom plate.

Lower sucker 37 as described in Fig. 6, Fig. 7 is elastic absorption component, the then sucker deformation, formation vacuum of lower 37 uplink of sucker Absorption, lower 37 downlink of sucker then sucker recoverable force, vacuum expendable pattern generate smaller than upper 14 suction of sucker downward in absorption moment Suction.

Further suction caused by lower sucker 37 need to be significantly less than suction caused by sucker 14, can ensure that in this way If there is page is adhered, page above is separated by upper 14 suction belt of sucker, the page being adhered by lower 37 suction belt of sucker.

The action moment of further lower sucker 37 need to be matched with the action moment of upper sucker 14, it is to be ensured that lower sucker 37 Movement in action process with upper sucker 14 and group page bar 17 does not interfere with each other.

Further lifting cylinder 34 can do power using electromagnet to go up and down, equally in the case where no gas source Push-jump cylinder 36 in the case where no gas source, rotation can be realized using rotation motor as power.

Detection electric eye 13 described in device as described in Figure 1 can be the text or symbol detected on 1 page of music score sheet The delay detection control of label is also possible to play the instant detection control of sound detection when arriving the last one note of this page.

When further detection electric eye 13 detects the last one note of spectrum page, can according to music playing speed when Between delay setting start the action command of motor.

Further detection electric eye 13 can be sound detection element, when sound detection senses the last one sound when page Fu Shi starts the action command of motor according to setting.

Device as described in Figure 1 can be used alone, can also with sheet music stand or play an instrument and be integrally connected use, institute Adjusting can be cooperated by stating 8 speed of driving motor.

Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The skill of the industry Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and Its equivalent thereof.

Claims (8)

1. spectrum page device, including music score sheet (1) are turned in a kind of linkage, the spectrum this (2) of music score sheet (1) is supported, is composing this (2) bottom The left and right bottom plate (3) that side is fixedly connected, the left and right frame plate (4) being fixedly connected on left and right bottom plate (3), frame plate (4) in left and right Between through connection revolution screw rod (5) and guiding slide bar (6), between left and right frame plate (4) with turn round screw rod (5) be threadedly coupled Simultaneously with the moving slide block (7) that connect of guiding slide bar (6) slide opening, turn round screw rod (5) end, light frame plate (401) it is outer edge-on The driving motor (8) being arranged concentrically on face；It is characterized by: in plane and right frame plate (402) side is vertical on moving slide block (7) On face, the Xi Yeboye mechanism (9) to link is set；The respectively arranged left and right Ya Ye mechanism (10) on left and right bottom plate (3)；In The suction page sticking separating mechanism (11) being arranged on right bottom plate (302), the Xi Yeboye mechanism (9) are included on moving slide block (7) The sucker seat board (12) that plane is fixedly connected, the detection electric eye (13) being vertically arranged on sucker seat board (12), upper sucker (14) With swing rod support (15), the hinged swing rod (16) at swing rod support (15) end part rotating shaft, the swing rod (16) is intermediate to be set hingedly Hole, swing rod (16) one end set shift fork mouth and upper sucker (14) hingedly, and swing rod (16) other end sets vertical holes and dials page bar (17) it is fixedly connected；The Xi Yeboye mechanism (9) that linkage is arranged on the facade of right frame plate (402) side further includes and right frame plate (402) pin shaft (19) and L is hingedly arranged in the swing link bracket (18) being fixedly connected on the facade of side at swing link bracket (18) angle position Shape swing rod (20), described L shape swing rod (20) one end overlay on the upper top surface of upper sucker (14), and the L shape swing rod (20) is another End is fixedly connected touching lever (21), and the lance (22) being arranged on the extension of the touching lever (21) and moving slide block (7), which is affixed, to be hit.

2. spectrum page device is turned in a kind of linkage according to claim 1, it is characterised in that: the upper sucker (14) is that elasticity is inhaled Attached component, upper sucker (14) downlink then sucker deformation, form vacuum suction, upper sucker (14) uplink then sucker recoverable force, true Sky disappears, and is arranged concentrically ejector spring (23) at the top of upper sucker (14) and on sucker seat board (12) between top surface.

3. spectrum page device is turned in a kind of linkage according to claim 1, it is characterised in that: on the right side of the moving slide block (7) At the geometric center in face be arranged thread connection lance (22), the lance (22) pass through right frame plate (402) center via hole with Touching lever (21), which is affixed, to be hit.

4. spectrum page device is turned in a kind of linkage according to claim 1, it is characterised in that: left and right Ya Ye mechanism (10) packet The left and right seat board (24) being fixed on left and right bottom plate (3) is included, the support (25) being respectively fixedly connected with left and right seat board (24), respectively The traveller (26) being fixed between two supports (25), the sliding block (27) being set on traveller (26) are coaxial with traveller (26) And the reset spring (28) being arranged between sliding block (27) left and right lateral surface and support (25) left and right medial surface；The left and right pressure page Mechanism (10) further includes facade recess setting torque arm (29) before sliding block (27), and the torque arm (29) is swing rod shape, torque arm (29) swing rod shaft hole is rotatably assorted with sliding block (27) cylinder outstanding and connect, torque arm (29) swing link end part and sucker seat board The symmetrical protruding column of (12) two front ends setting collides contact, recessed in torque arm (29) axis hole position inner cavity and facade before sliding block (27) Torsional spring (30) are set between falling into, described torsional spring (30) both ends cylindrical portion one end connect with sliding block (27) jack, the other end and torsion The connection of arm (29) jack, pressure page axis (31) is fixedly installed in outer end face with one heart at the torque arm (29) shaft hole, in the pressure page Several pressure page bars (32) are fixedly installed in the arrangement of axis (31) front end, and another free end torsion of pressure page bar (32) is pressed in music score sheet (1) on the page.

5. spectrum page device is turned in a kind of linkage according to claim 1, it is characterised in that: the suction page sticking separating mechanism (11) Including the support baseboard (33) being fixedly connected with right bottom plate (302) bottom surface, in the lower sucker liter of support baseboard (33) following settings Sending down abnormally ascending cylinder (34), support baseboard (33) above with the concentric lower sucker strut (35) being hingedly arranged of lifting cylinder (34), institute The cylinder rod of the hinged push-jump cylinder (36) of lower sucker strut (35) one end kidney slot is stated, lower sucker strut (35) other end is solid It is fixed to connect lower sucker (37), when lower sucker (37) the sucker mouth is below the push-jump page to upper sucker (14), with upper sucker (14) center, which aligns and pastes, inhales page lower plane, and the push-jump cylinder (36) is fixedly connected on right bottom plate (302) bottom surface.

6. spectrum page device is turned in a kind of linkage according to claim 5, it is characterised in that: the lower sucker (37) is that elasticity is inhaled Attached component, lower sucker (37) uplink then sucker deformation, form vacuum suction, lower sucker (37) downlink then sucker recoverable force, true Sky disappears, and the downward suction smaller than upper sucker (14) suction is generated in absorption moment.

7. spectrum page device is turned in a kind of linkage according to any one of claims 1 to 3, it is characterised in that: the detection electric eye (13) to detect the delay detection control of the text on music score sheet (1) page or sign flag, or play to the page last The instant detection of sound detection when a note controls.

8. it is according to claim 1 it is a kind of linkage turn over spectrum page device, it is characterised in that: described device be used alone or with pleasure It composes bracket or plays an instrument and be integrally connected use, driving motor (8) the speed cooperation is adjusted.