CN203599290U - Correcting device of piano hand - Google Patents
Correcting device of piano hand Download PDFInfo
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- CN203599290U CN203599290U CN201320674158.8U CN201320674158U CN203599290U CN 203599290 U CN203599290 U CN 203599290U CN 201320674158 U CN201320674158 U CN 201320674158U CN 203599290 U CN203599290 U CN 203599290U
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Abstract
The utility model discloses a correcting device of a piano hand. The correcting device of the piano hand comprises a rack, a first clamping device, a second clamping device, a check rod and a distance determining rod. The first clamping device and the second clamping device are arranged on the two sides of the rack, and the first clamping device and the second clamping device respectively comprise a plurality of clamping assemblies which are in parallel. Each clamping assembly comprises two clamping mechanisms, each clamping mechanism comprises a chuck, a screw rod connected with the chuck and a fixing seat in threaded connection with the screw rod, and the two chucks in two clamping mechanisms are arranged oppositely. The check rod is a straight rod with a flat surface. The length of the distance determining rod is equal to the design distance between the specified positions on the inner sides of two piano hands to be corrected. The correcting device of the piano hand can be used for correcting the piano hands conveniently, quickly and accurately, the labor intensity of workers is lowered, and the quality of a piano is improved.
Description
Technical field
The utility model relates to the process equipment of piano parts, is specifically related to a kind of apparatus for correcting of piano hand.
Background technology
Referring to Fig. 1 and Fig. 2, qin circle 1 is the main body frame of piano, is half round, two parts before and after being divided into.Wherein, the inner side at rear portion is provided with many dorsal column 1-3 and a backrest crossbeam 1-4, for limiting the shape at qin circle 1 rear portion and strengthening integral rigidity, the parts such as soundboard is set on it; Front portion is two adjutages freely, is referred to as qin hand (being respectively left qin hand 1-2 and right qin hand 1-1), and the below of two qin hands arranges mid-game, and the parts such as hammered string instrument, keyboard are set in mid-game.Before assembling mid-game, because two qin hands are in free state, and qin circle 1 is made up of timber, therefore easily deform, for example, inside or outside beat, but the lateral surface that assembles latter two qin hand should be positioned at same plane with the lateral surface at rear portion, and distance between two qin hands also will meet setting value.Therefore before assembling mid-game, qin hand must be remedied to correct shape.The antidote of existing qin hand is: (1) is in the time that qin hand is outwards out of shape, be pressed on the outside of qin hand with the depression bar of strip, qin hand is corrected to the inside, measure distance in qin hand with interior distance rod again, (2) when qin hand is during to internal strain, be pressed on the inner side of qin hand with the depression bar of strip, qin hand is corrected laterally, then measure distance in qin hand with outer distance rod.The method exists the lateral surface that is not easy to adjust qin hand lateral surface and rear portion to be positioned at the shortcoming of same plane, two qin hands may the whiles to a LRO Lateral Runout.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of apparatus for correcting of piano hand is provided, and this apparatus for correcting can facilitate and exactly qin hand be corrected.
Another object of the present utility model is the antidote of the piano hand that a kind of apparatus for correcting realization of applying above-mentioned piano hand is provided.
The technical scheme that the utility model is realized above-mentioned purpose is:
An apparatus for correcting for piano hand, comprises frame, the first clamping device, the second clamping device, verification bar and distance rod, and wherein, the first clamping device and the second clamping device are arranged at the both sides of frame;
Described the first clamping device and the second clamping device include many groups clamp assembly arranged side by side; Each group clamp assembly comprises two clamp mechanism, and each clamp mechanism comprises clamping head, the screw rod being connected with clamping head and the holder being connected with screw flight, and two clamping heads in two clamp mechanism are oppositely arranged;
Described verification bar is the straight-bar with flat surface;
The length of described distance rod equals the designed distance between the assigned address of two qin hands inner sides to be corrected.
A preferred version of the present utility model, wherein, described frame forms by the fixed frame for supporting Qin Quan rear portion with for the movable machine frame of the qin hand that supports qin circle, wherein, fixed frame is fixedly connected with ground, and movable machine frame is provided with wheel, this wheel be located at ground guide rail and coordinate.
Preferably, described movable machine frame comprises two scaffolds at two ends and two and is connected to two crossbeams between scaffold, and described wheel is arranged on the bottom of scaffold.
Preferably, described fixed frame is made up of the fixed frame being fixedly connected with ground and the Rotatable bracket being located on fixed frame, wherein, the bottom of described Rotatable bracket and the edge of fixed frame are hinged, this Rotatable bracket has the part of extending outside fixed frame, and the end of this extension is provided with backstay.
A preferred version of the present utility model wherein,, for being fixedly connected with, is relative frame to do being laterally slidably connected of slip between described the second clamping device and frame between described the first clamping device and frame.
A preferred version of the present utility model, wherein, described the first clamping device and the second clamping device include the installing plate of two parallel and vertical settings; In every group of clamp assembly in described the first clamping device and the second clamping device: two holders are separately positioned on wherein on an installing plate, two clamping heads are positioned at the inner side of two installing plates, and two screw rods pass through respectively holder and are connected with clamping head with installing plate from the outside of two installing plates; The bottom of described two installing plates is provided with base plate, and this bearing plate is in frame.
A preferred version of the present utility model, wherein, adopts and can be connected by deflection structure between described screw rod and clamping head, and this can deflection mechanism be: the end of screw rod is provided with spherical surface hill, and described clamping head is provided with the sphere recess matching with it; On described screw rod, be also provided with cannelure, described clamping head is provided with screw, and the end of this screw stretches in described cannelure, and has gap between screw and cannelure.
A preferred version of the present utility model, wherein, described the first clamping device and the second clamping device are separately positioned on the two ends of movable machine frame, wherein,
Base plate in described the first clamping device is fixed on described crossbeam;
Sliding connection structure between described the second clamping device and movable machine frame is: the medial surface of described two crossbeams forms chute, the bottom of described base plate is provided with the guide plate to downward-extension, the width of this guide plate equals the width of described chute, the two ends of described base plate stretch out, its bottom surface is bearing on the end face of described crossbeam, in described two crossbeams, the end corresponding with the second clamping device is provided with tie-beam, on installing plate outside being positioned at, be connected with adjusting screw(rod), this adjusting screw(rod) passes through described tie-beam and is threaded with this tie-beam.
Preferably, in sliding connection structure between the second clamping device and movable machine frame, between described base plate and crossbeam, be provided with locking mechanism, this locking mechanism comprises the slotted hole extending along glide direction that is located on crossbeam, is located at bolt hole and bolt on described base plate, described bolt through base plate and slotted hole by base plate and crossbeam locking.
An antidote of applying the piano hand of the apparatus for correcting realization of above-mentioned piano hand, is characterized in that, comprises the following steps:
(1) qin circle to be corrected is placed in frame, wherein, the rear support of qin circle is on fixed frame, and qin hand is bearing on movable machine frame, and wherein left qin hand is positioned at the second clamping device place, and right qin hand props up and is positioned at the first clamping device place; The plane of the mid-game of qin circle is upwards placed;
(2) regulate the screw rod in the first clamping device, the both sides that make multiple clamping heads all be clamped in right qin hand are carried out orthopedic; Utilize the right qin hand of verification bar verification whether correctly to be corrected simultaneously, method of calibration is: the flat surface of described verification bar is adjacent on the lateral surface at the Qin Quan rear portion corresponding with right qin hand, and whether the lateral surface that judges right qin hand is also adjacent to the flat surface of verification bar, if be not adjacent to, progressively revise by adjusting screw rod, until right qin hand is correctly corrected;
(3) distance rod is placed into the assigned address of two qin hands inner sides, regulate the screw rod in the second clamping device to adjust the position of left qin hand, make the assigned address of the medial surface of two qin hands be adjacent to the two ends at distance rod, realize the rectification of distance between two qin hands, also realized the rectification between the lateral surface of left qin hand and the lateral surface at corresponding Qin Quan rear portion simultaneously.
The utility model compared with prior art has following beneficial effect:
In the utility model, first in the clamp assembly by the first clamping device, paired clamping head clamps one of them qin hand, as long as the working face of clamping head is arranged to plane, just the qin hand of distortion can be remedied to flat state, by many group clamp assemblies are set, these clamp assemblies are distributed in the length range of qin hand, utilize verification bar to carry out verification, and by regulating described screw rod to adjust gradually the shape of qin hand, finally can realize the lateral surface of qin hand and the lateral surface at the rear portion of corresponding qin circle are adjusted to the right place in same plane, realize the rectification of single qin hand.Then utilize the spacing function of distance rod, the distance of adjusting between the inner side that clamping head position in the second clamping device makes two qin hands meets the requirements, now the lateral surface of another qin hand is also positioned at same plane with the lateral surface at corresponding Qin Quan rear portion, thereby realizes the correct rectification to two qin hand shapes.
As can be seen here, utilize apparatus for correcting of the present utility model convenient, fast and accurately to realize the rectification to qin hand, reduced workman's labour intensity, improved the quality of piano.
Accompanying drawing explanation
Fig. 1 and Fig. 2 are a kind of structural representation of piano circle, and wherein, Fig. 1 is front view, and Fig. 2 is left view.
Fig. 3～Fig. 5 is the structural representation of a specific embodiment of the apparatus for correcting of piano hand of the present utility model, and wherein, Fig. 3 is front view, and Fig. 4 is left view, and Fig. 5 is top view.
Fig. 6 is the partial enlarged drawing of the second clamping device part in Fig. 3.
Fig. 7 is the partial enlarged drawing at I place in Fig. 5.
Fig. 8 is the partial enlarged drawing at II place in Fig. 3.
Fig. 9～Figure 11 is the structural representation of fixed frame in Fig. 3～Fig. 5 illustrated embodiment, and wherein, Fig. 9 is front view, and Figure 10 is left view, and Figure 11 is top view.
Figure 12～Figure 14 is the structural representation of the second clamping device part in Fig. 3～Fig. 5 illustrated embodiment, and wherein, Figure 12 is front view, and Figure 13 is left view, and Figure 14 is top view.
Figure 15 is the partial enlarged drawing at screw rod and clamping head connecting portion place in Figure 13.
Figure 16 is the syndeton schematic diagram between the second clamping device and movable machine frame in Fig. 3～Fig. 5 illustrated embodiment.
Figure 17 is the explosive view of Figure 16.
Figure 18 is the use principle figure of verification bar described in the utility model.
Figure 19 is the use principle figure of distance rod described in the utility model.
In figure, Reference numeral is: 1 qin circle; The right qin hand of 1-1; The left qin hand of 1-2; 1-3 dorsal column; 1-4 backrest crossbeam; 2 movable machine frames; 2-1 scaffold; 2-2 crossbeam; 2-3 stiffener; 2-4 tie-beam; 2-5 slotted hole; 3 fixed frames; 3-1 fixed frame; 3-2 Rotatable bracket; 3-3 backstay; 3-4 articulated structure; 4 clamp mechanism; 4-1 clamping head; 4-11 sphere recess; 4-2 screw rod; 4-21 spherical surface hill; 4-22 cannelure; 4-3 holder; 5 installing plates; 5-1 base plate; 5-2 guide plate; 6 handles; 7 adjusting screw(rod)s; 7-1 connector; 8 hold-down nuts; 9 connected with outer casings; 10 chutes; 11 guide rails; 12 wheels; 13 bolts; 14 handles; 15 verification bars; 16 distance rods; 17 first clamping devices; 18 second clamping devices; 19 screws.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Referring to Fig. 3～Figure 19, the apparatus for correcting of piano hand of the present utility model is mainly made up of frame, the first clamping device 17, the second clamping device 18, verification bar 15 and distance rod 16, wherein, the first clamping device 17 and the second clamping device 18 are arranged at the both sides of frame.
Referring to Fig. 3～Fig. 5, described frame forms by the fixed frame 3 for supporting qin circle 1 rear portion with for the movable machine frame 2 of the qin hand that supports qin circle 1.
Referring to Fig. 3～Fig. 5, Fig. 9～Figure 11, described fixed frame 3 is made up of the fixed frame 3-1 being fixedly connected with ground and the Rotatable bracket 3-2 being located on fixed frame 3-1, wherein, the bottom of described Rotatable bracket 3-2 is hinged by the edge of articulated structure 3-4 and fixed frame 3-1, this Rotatable bracket 3-2 has the part of extending outside fixed frame 3-1, and the end of this extension is provided with backstay 3-3.Above-mentioned fixed frame 3, for bearing most of gravity of qin circle 1, can support whole qin circle 1 independently.Between Rotatable bracket 3-2 and fixed frame 3-1, adopt hinged object to be conveniently assemble and disassemble qin circle 1, because, conventionally qin circle 1 is (i.e. two qins lower placement the on hand) of vertically placing, and qin circle 1 need to keep flat while correcting, because qin circle 1 is heavier, if adopt artificial handling, waste time and energy, and adopt after this articulated structure 3-4, need to load onto qin circle 1 time, first by Rotatable bracket 3-2 upset 90.Become vertical state, then keep vertical attitude to transfer to described backstay 3-3 on the qin circle 1 of vertically placing upper, then Rotatable bracket 3-2 is back being overturn to 90.Become level, qin circle 1 can be loaded onto on fixed frame 3; Need to unload qin circle 1 time, first by Rotatable bracket 3-2 upset 90.Become vertical state, then qin circle 1 is shifted out; In the time of mobile qin circle 1, can realize by travelling car, convenient to operation; Above-mentioned backstay 3-3 had both played the effect of the side of location qin circle 1, the supporting role while playing again handling qin circle 1.
Referring to Fig. 3～Fig. 6 and Fig. 8, described movable machine frame 2 comprises two scaffold 2-1 at two ends and two and is connected to two crossbeam 2-2 between scaffold 2-1, wherein, described scaffold 2-1 is rectangular frame, the bottom of each scaffold 2-1 is provided with wheel 12, this wheel 12 be located at ground guide rail 11 and coordinate, described guide rail 11 is made up of angle bar, described wheel 12 is provided with the annular groove matching with this angle bar profile.The cross section of described two crossbeam 2-2 is the U-shaped of opening towards horizontal direction, and the U-shaped opening of two crossbeam 2-2 arranges in opposite directions, and the middle part of the upside of this two crossbeam 2-2 is provided with stiffener 2-3, and the two ends of downside are respectively equipped with the connecting plate being connected with scaffold 2-1.The effect of above-mentioned movable machine frame 2 is to arrange the first clamping device 17 and the second clamping device 18, and qin hand is supported, by wheel 12 and guide rail 11 are set, make it to move, its role is to, correct complete and loaded onto after mid-game when qin circle 1, this movable machine frame 2 is removed, thereby can allow easily qin circle 1 unload from fixed frame 3; And need to correct qin circle 1 time, directly this movable machine frame 2 is moved to desired location, operation is very easy.
Referring to Fig. 3～Fig. 6, Figure 12～Figure 15, described the first clamping device 17 is identical with the structure of the second clamping device 18, include three groups of clamp assemblies arranged side by side, each group clamp assembly comprises two clamp mechanism 4, each clamp mechanism 4 comprises clamping head 4-1, the screw rod 4-2 being connected with clamping head 4-1 and the holder 4-3 being threaded with screw rod 4-2, and two clamping head 4-1 in two clamp mechanism 4 are oppositely arranged; Between described the first clamping device 17 and movable machine frame 2, for being fixedly connected with, between described the second clamping device 18 and movable machine frame 2, be to do being laterally slidably connected of slip by relative movable machine frame 2.Described the second clamping device 18 adopts the object being slidably connected to be with movable machine frame 2, distance between two qin hands of different model piano is not identical, can regulate the distance between the first clamp mechanism 17 and the second clamp mechanism 18 by this flexible connection, to adapt to the rectification of piano of different model.
Referring to Fig. 3～Fig. 6, Figure 12～Figure 15, described the first clamping device 17 and the second clamping device 18 include the installing plate 5 of two parallel and vertical settings; In every group of clamp assembly in described the first clamping device 17 and the second clamping device 18: two holder 4-3 are separately positioned on wherein on an installing plate 5, two clamping head 4-1 are positioned at the inner side of two installing plates 5, and two screw rod 4-2 pass through respectively holder 4-3 and are connected with clamping head 4-1 with installing plate 5 from the outside of two installing plates 5.The bottom of described two installing plates 5 is provided with base plate 5-1, and this base plate 5-1 is bearing on the crossbeam 2-2 of movable machine frame 2.Described clamping head 4-1 is patty, and the opposite face of two relative clamping head 4-1 is straight surface.For the ease of operating described screw rod 4-2, the outer end of this screw rod 4-2 is provided with handle 6.Two qin hands when work on qin circle 1 lay respectively between two installing plates 5 of the first clamping device 17 and the second clamping device 18, and are supported by base plate 5-1.Between above-mentioned screw rod 4-2 and clamping head 4-1, adopt and can be connected by deflection structure, this can deflection mechanism be: the end of screw rod 4-2 is provided with spherical surface hill 4-21, and described clamping head 4-1 is provided with the sphere recess 4-11 matching with it; On described screw rod 4-2, be also provided with cannelure 4-22, described clamping head 4-1 is provided with screw 19, and the end of this screw 19 stretches into 4-22 in described cannelure, and has gap between screw 19 and cannelure 4-22.Like this, clamping head 4-1 can rotate, swing and can not deviate from relative to screw rod 4-2.Adopt above-mentioned reason that can deflection structure to be, after two qin hands are placed on the first clamping device 17 and the second clamping device 18, due to the reason of the structure of the accuracy of manufacture or qin circle 1 itself, the surface of the lateral surface of qin hand and clamping head 4-1 may be multiple angles, if clamping head 4-1 is with respect to screw rod 4-2 beat flexibly, in the time clamping qin hand, may impel qin hand to produce disadvantageous distortion so, thereby do not reach orthopedic object, and adopt above-mentioned can deflection structure after, the attitude of the relative screw rod 4-2 of clamping head 4-1 can be according to the surface configuration flexible rotating of qin hand, reach smoothly rectification object.
Referring to Fig. 3～Fig. 6, between described the first clamping device 17 and movable machine frame 2, for being fixedly connected with, be specially, described base plate 5-1 is bolted and is fixed on two crossbeam 2-2.
Referring to Fig. 3～Fig. 7, Figure 16 and Figure 17, between described the second clamping device 18 and movable machine frame 2, be to do being laterally slidably connected of slip by relative movable machine frame 2, this sliding connection structure is: the medial surface of described two crossbeam 2-2 forms chute 10, the bottom of described base plate 5-1 is provided with the guide plate 5-2 to downward-extension, the width of this guide plate 5-2 equals the width of described chute 10, and this guide plate 5-2 has realized guide effect with coordinating of chute 10; The two ends of described base plate 5-1 stretch out, its bottom surface is bearing on the end face of described crossbeam 2-2, in described two crossbeam 2-2, the end corresponding with the second clamping device 18 is provided with tie-beam 2-4, on installing plate 5 outside being positioned at, be connected with adjusting screw(rod) 7, this adjusting screw(rod) 7 passes through described tie-beam 2-4, this tie-beam 2-4 is provided with hold-down nut 8, and described adjusting screw(rod) 7 is threaded with this hold-down nut 8.Particularly, in described adjusting screw(rod) 7, be provided with connector 7-1 with the link of installing plate 5, the relevant position of described installing plate 5 is provided with connected with outer casing 9, and described connector 7-1 extend in connected with outer casing 9, has certain gap between the two.For the ease of operating described adjusting screw(rod) 7, the outer end of this adjusting screw(rod) 7 is provided with handle 14.By said structure, realize the horizontal slip of the second clamping device 18 with respect to movable machine frame 2.In sliding connection structure between above-mentioned the second clamping device 18 and movable machine frame 2, when the second clamping device 18 is adjusted to behind suitable position, for the second clamping device 18 is fixed, between described base plate 5-1 and crossbeam 2-2, be provided with locking mechanism, this locking mechanism comprises the slotted hole 2-5 extending along glide direction that is located on crossbeam 2-2, is located at bolt hole and bolt 13 on described base plate 5-1, described bolt 13 through base plate 5-1 and slotted hole 2-5 by base plate 5-1 and crossbeam 2-2 locking (referring to Fig. 7).
Referring to Fig. 3～Fig. 6, in three groups of clamp assemblies in described the first clamping device 17 and the second clamping device 18, one of them clamp assembly is arranged at the backrest crossbeam 1-4 place that is close to qin circle 1, and another clamp assembly is close to the end near qin hand, and last is arranged on the middle part of qin hand.By three groups of clamp assemblies are set, can reach comparatively ideal rectification effect to qin hand, too much clamp assembly can increase manufacturing cost, and very few clamp assembly is unfavorable for the effect of correcting.The operation principle of above-mentioned clamp assembly is that by rotating screw bolt 4-2 drive clamping head, 4-1 seesaws, and by clamping head 4-1, qin circle 1 is applied to active force, forces qin hand towards correct Direction distortion.
Referring to Figure 18, described verification bar 15 is for having the straight-bar of flat surface, its effect is whether to be remedied to correct shape for verification qin hand, its principle is, first the lateral surface at the flat surface of this verification bar 15 and Qin Quan rear portion is adjacent to, if now the lateral surface of qin hand is also adjacent to the flat surface of verification bar 15, show to be remedied to correct shape, if be not adjacent to, impel qin hand towards correct Direction distortion by adjusting screw rod 4-2, until the lateral surface of qin hand is also adjacent to completely on the flat surface of verification bar 15.
Referring to Figure 19, the length of described distance rod 16 equals the designed distance between the assigned address of two qin hands inner sides to be corrected, the effect of this distance rod 16 is to correct two distances between qin hand, because, two qin hands are not only straight with the lateral surface at the rear portion of corresponding qin circle 1, distance between two qin hands is also wanted accurately simultaneously, otherwise likely exists the rear portion entirety of qin hand and corresponding qin circle 1 to the situation of a LRO Lateral Runout.The operation principle of this distance rod 16 is, first a qin hand is corrected into after straightened condition, allow one end of distance rod 16 and the medial surface of this qin hand be adjacent to, and then impel another qin hand to be out of shape, the medial surface of this another qin hand is also close to the other end of distance rod 16, thereby has been guaranteed that the distance between two qin hands reaches desirable numerical value.
Referring to Fig. 1～Figure 19, the antidote of the piano hand that the apparatus for correcting of the above-mentioned piano hand of application of the present utility model is realized, comprises the following steps:
(1) qin circle 1 to be corrected is placed in frame, particularly, first qin circle 1 is placed on fixed frame 3, the rear support of qin circle 1 is on fixed frame 3, push movable machine frame 2 to qin circle 1 again, qin hand is bearing on two base plate 5-1 of movable machine frame 2, and wherein right qin hand 1-1 is bearing on the base plate 5-1 of the first clamping device 18, and left qin hand 1-2 is bearing on the base plate 5-1 of the second clamping device 18;
(2) regulate the screw rod 4-2 in the first clamping device 17, the both sides that make multiple clamping head 4-1 all be clamped in right qin hand 1-1 are carried out orthopedic; Utilize the right qin hand of verification bar 15 verification 1-1 whether correctly to be corrected simultaneously, method of calibration is: the flat surface of described verification bar 15 is adjacent on the lateral surface at qin circle 1 rear portion corresponding with right qin hand 1-1, and whether the lateral surface that judges right qin hand 1-1 is also adjacent to the flat surface of verification bar 15, if be not adjacent to, progressively revise by adjusting screw rod 4-2, until right qin hand 1-1 is correctly corrected;
(3) distance rod 16 is placed into the assigned address of two qin hands inner sides, regulate the screw rod 4-2 in the second clamping device 18, drive left qin hand 1-2 motion, make the assigned address of the medial surface of two qin hands be adjacent to the two ends at distance rod 16, realize the rectification of distance between two qin hands, also realized the rectification between the lateral surface of left qin hand 1-2 and the lateral surface at corresponding Qin Quan rear portion simultaneously.
Above-mentioned is preferably embodiment of the utility model; but embodiment of the present utility model is not subject to the restriction of foregoing; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (9)
1. an apparatus for correcting for piano hand, is characterized in that, comprises frame, the first clamping device, the second clamping device, verification bar and distance rod, and wherein, the first clamping device and the second clamping device are arranged at the both sides of frame;
Described the first clamping device and the second clamping device include many groups clamp assembly arranged side by side; Each group clamp assembly comprises two clamp mechanism, and each clamp mechanism comprises clamping head, the screw rod being connected with clamping head and the holder being connected with screw flight, and two clamping heads in two clamp mechanism are oppositely arranged;
Described verification bar is the straight-bar with flat surface;
The length of described distance rod equals the designed distance between the assigned address of two qin hands inner sides to be corrected.
2. the apparatus for correcting of piano hand according to claim 1, it is characterized in that, described frame forms by the fixed frame for supporting Qin Quan rear portion with for the movable machine frame of the qin hand that supports qin circle, wherein, fixed frame is fixedly connected with ground, movable machine frame is provided with wheel, this wheel be located at ground guide rail and coordinate.
3. the apparatus for correcting of piano hand according to claim 2, is characterized in that, described movable machine frame comprises two scaffolds at two ends and two and be connected to two crossbeams between scaffold, and described wheel is arranged on the bottom of scaffold.
4. the apparatus for correcting of piano hand according to claim 3, it is characterized in that, described fixed frame is made up of the fixed frame being fixedly connected with ground and the Rotatable bracket being located on fixed frame, wherein, the bottom of described Rotatable bracket and the edge of fixed frame are hinged, this Rotatable bracket has the part of extending outside fixed frame, and the end of this extension is provided with backstay.
5. the apparatus for correcting of piano hand according to claim 4, is characterized in that, between described the first clamping device and frame, for being fixedly connected with, is relative frame to do being laterally slidably connected of slip between described the second clamping device and frame.
6. the apparatus for correcting of piano hand according to claim 5, is characterized in that, described the first clamping device and the second clamping device include the installing plate of two parallel and vertical settings; In every group of clamp assembly in described the first clamping device and the second clamping device: two holders are separately positioned on wherein on an installing plate, two clamping heads are positioned at the inner side of two installing plates, and two screw rods pass through respectively holder and are connected with clamping head with installing plate from the outside of two installing plates; The bottom of described two installing plates is provided with base plate, and this bearing plate is in frame.
7. the apparatus for correcting of piano hand according to claim 6, it is characterized in that, between described screw rod and clamping head, adopt and can be connected by deflection structure, this can deflection mechanism be: the end of screw rod is provided with spherical surface hill, and described clamping head is provided with the sphere recess matching with it; On described screw rod, be also provided with cannelure, described clamping head is provided with screw, and the end of this screw stretches in described cannelure, and has gap between screw and cannelure.
8. the apparatus for correcting of piano hand according to claim 7, is characterized in that, is separately positioned on the two ends of movable machine frame at described the first clamping device and the second clamping device, wherein,
Base plate in described the first clamping device is fixed on described crossbeam;
Sliding connection structure between described the second clamping device and movable machine frame is: the medial surface of described two crossbeams forms chute, the bottom of described base plate is provided with the guide plate to downward-extension, the width of this guide plate equals the width of described chute, the two ends of described base plate stretch out, its bottom surface is bearing on the end face of described crossbeam, in described two crossbeams, the end corresponding with the second clamping device is provided with tie-beam, on installing plate outside being positioned at, be connected with adjusting screw(rod), this adjusting screw(rod) passes through described tie-beam and is threaded with this tie-beam.
9. the apparatus for correcting of piano hand according to claim 8, it is characterized in that, in sliding connection structure between the second clamping device and movable machine frame, between described base plate and crossbeam, be provided with locking mechanism, this locking mechanism comprises the slotted hole extending along glide direction that is located on crossbeam, is located at bolt hole and bolt on described base plate, described bolt through base plate and slotted hole by base plate and crossbeam locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674158.8U CN203599290U (en) | 2013-10-29 | 2013-10-29 | Correcting device of piano hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320674158.8U CN203599290U (en) | 2013-10-29 | 2013-10-29 | Correcting device of piano hand |
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| Publication Number | Publication Date |
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| CN203599290U true CN203599290U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320674158.8U Withdrawn - After Issue CN203599290U (en) | 2013-10-29 | 2013-10-29 | Correcting device of piano hand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521559A (en) * | 2013-10-29 | 2014-01-22 | 广州珠江钢琴集团股份有限公司 | Correcting device and method for hands of piano players |
-
2013
- 2013-10-29 CN CN201320674158.8U patent/CN203599290U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521559A (en) * | 2013-10-29 | 2014-01-22 | 广州珠江钢琴集团股份有限公司 | Correcting device and method for hands of piano players |
| CN103521559B (en) * | 2013-10-29 | 2015-08-19 | 广州珠江钢琴集团股份有限公司 | A kind of apparatus for correcting of piano hand and antidote |
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