CN109163671A - A kind of sub- depth measurement device of piano key and its measurement method - Google Patents
A kind of sub- depth measurement device of piano key and its measurement method Download PDFInfo
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- CN109163671A CN109163671A CN201811263386.XA CN201811263386A CN109163671A CN 109163671 A CN109163671 A CN 109163671A CN 201811263386 A CN201811263386 A CN 201811263386A CN 109163671 A CN109163671 A CN 109163671A
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- 238000012360 testing method Methods 0.000 claims description 13
- 238000004364 calculation method Methods 0.000 claims description 10
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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Abstract
The present invention relates to musical instrument field of measuring technique, the sub- depth measurement device of specifically a kind of piano key and its measurement method, including fixed mechanism, mobile mechanism, regulating mechanism and measuring mechanism, the mobile mechanism is mounted on the side of fixed mechanism, the regulating mechanism is mounted on the upper end of fixed mechanism, the measuring mechanism is mounted on the upper end of regulating mechanism, the mobile mechanism includes moving assembly and driving assembly, the moving assembly is fixedly connected with fixed mechanism, the driving component is mounted in fixed mechanism and driving assembly is fixedly connected with moving assembly, the regulating mechanism includes adjusting component and positioning component, the upper end for adjusting component and being mounted on fixed mechanism, the positioning component is mounted on the side for adjusting component.It is more accurate that the beneficial effects of the invention are as follows measurement results, and without artificial mobile adjusting, measurement efficiency is higher, can measure to white key and black key, function is more complete.
Description
Technical field
The present invention relates to musical instrument field of measuring technique, the sub- depth measurement device of specifically a kind of piano key and its measurement side
Method.
Background technique
Piano needs to carry out after finishing assembly multinomial test, and one of them are the sub- depth test of piano key, all steel
Qin white key depth needs are consistent, and all piano black key depth are also required to be consistent, if key depth is too deep, will lead to
Key rebound is slow, influences the repeat key of allegro song, and shallowly to will lead to sound excessively shorter also, deep mixed for key
Key can also seriously affect the use of player, so that the effect played can be seriously affected.
China Patent No. is that CN105300336B discloses the sub- depth calibrator of piano key and the sub- depth measurement side of piano key
Method, including measurement arm, amesdial, the key briquetting for pressing next key；One is respectively provided at left and right sides of key briquetting vertically
Slot passes through two vertical slots along the horizontal-extending measurement arm of left and right directions and slides up and down along vertical slots, measures a left side for arm
End is placed in the top of sub- left side keys of depressed key, and the right end for measuring arm is placed in the top of sub- right hand side keys of depressed key；Amesdial is solid
It is scheduled on key briquetting, the downward gauge head of amesdial is located at the surface of measurement arm；When measurement arm is pressed down the left and right of key
After two side switch jack up, measurement arm, which jacks up the gauge head of amesdial, drives amesdial reading.Further relate to the sub- depth measurement of piano key
Method.China Patent No. is that CN105300251B discloses the sub- sense of touch measuring block of piano key and the sub- sense of touch measurement method of piano key,
Including main body and the counterweight fixed with main body；The lower end of main body includes left plane, intermediate convex block, right plane, wherein left plane and
Right plane is located in same level, and downwardly projecting intermediate convex block is between left plane and right plane；Under intermediate convex block
End face is from the inclined-plane of front lower place inclined upward backward；When the inclined-plane of intermediate convex block press the front end of next key and with key
When fitting, left plane is located at the surface of sub- left side keys of depressed key, and right plane is located at the surface of sub- right hand side keys of depressed key.
Above-mentioned patent has the following problems, first, measurement numerical value influenced by the key of two sides, if two sides key depth is not
Will definitely influence measurement result, second, surveyed a key after need Manual shifter, just can be carried out the survey of next key
Amount, increases manual labor amount and measuring speed is slow, and third, above-mentioned two patent can only measure white key depth, and black key can not
Measurement, has a single function.
Summary of the invention
The purpose of the present invention is to provide a kind of sub- depth measurement device of piano key and its measurement methods, to solve above-mentioned back
The problem of being proposed in scape technology.
The technical scheme is that including fixed mechanism, mobile mechanism, regulating mechanism and measuring mechanism, the movement
Mechanism is mounted on the side of fixed mechanism, and the regulating mechanism is mounted on the upper end of fixed mechanism, and the measuring mechanism is mounted on
The upper end of regulating mechanism, the mobile mechanism include moving assembly and driving assembly, and the moving assembly is fixed with fixed mechanism
Connection, the driving component is mounted in fixed mechanism and driving assembly is fixedly connected with moving assembly, the regulating mechanism packet
It includes and adjusts component and positioning component, the upper end for adjusting component and being mounted on fixed mechanism, the positioning component is mounted on adjusting
The side of component.
In a preferred embodiment of the present invention, the fixed mechanism includes the first fixed block and the second fixed block, and described the
The side of one fixed block is equipped with fixing groove, and second fixed block is mounted in fixing groove, on the side wall of the fixing groove two sides
It is provided with sliding rail, the two sides of second fixed block are equipped with the sliding slot being slidably matched with sliding rail, are equipped in the fixing groove
Fixed link, the upper end of the fixed link and the first fixed block are rotatablely connected, and it is fixed that the lower end of the fixed link sequentially passes through second
The side wall of block and fixing groove, the lower end of the fixed link are equipped with rocking bar, and external screw thread is provided in the fixed link, and described second is solid
Block is determined equipped with threaded hole, and the threaded hole is threadedly engaged with fixed block.
In a preferred embodiment of the present invention, the moving assembly includes the first mounting plate, the second mounting plate, two first
Movable pulley and two the second movable pulleys, first mounting plate and the second mounting plate are separately mounted to the first fixed block and second and consolidate
Determine the same side of block, two first movement wheels are installed in the lower end of the first mounting plate, and two second movable pulleys are equal
It is mounted on the upper end of the second mounting plate, is arranged with protective case on each first movement wheel and each second movable pulley, described
The two sides of one fixed block are equipped with conflict roller, and the driving component includes driving motor, two transmission gears and two drive shafts,
Two drive shafts are installed in the first fixed block, and one end of two drive shafts is solid with two two first movement wheels respectively
Fixed connection, the driving motor is mounted in the first fixed block and the output end of driving motor and one end of a drive shaft are fixed
Connection, two transmission gears are separately mounted in two drive shafts, are connected between two transmission gears by chain drive.
In a preferred embodiment of the present invention, the adjusting component includes adjustable plate, two extension boards and two slideways, and two
A extension board is installed in the side of the first upper end of fixing block, and two extension boards are integrally formed with the first fixed block, two cunnings
Road is separately mounted to the upper end of two extension boards, is provided with sliding shoe on two slideways, the lower end of the adjustable plate and all
Sliding shoe is fixedly connected, and the positioning component includes that locating plate, mounting hole and two location holes, the locating plate are mounted on adjusting
The upper of locating plate is arranged in the side of plate, the mounting hole, and two location holes are arranged at intervals on the upper end of extension board.
In a preferred embodiment of the present invention, the measuring mechanism includes screw rod slide unit, set casing, telescopic rod and conflict
Ball, the screw rod slide unit are in the upper end for being vertically arranged in adjustable plate, and the set casing is fixedly connected with the sliding block of screw rod slide unit, institute
It states and is equipped with telescopic chute in set casing, one end of the telescopic rod is plugged in telescopic chute, and the conflict ball is mounted on telescopic rod
Lower end, the upper end of the telescopic rod are provided with pointer, are provided with graduation mark on front side of the set casing.
In a preferred embodiment of the present invention, the measuring mechanism includes screw rod slide unit, set casing, telescopic rod and conflict
Ball, the screw rod slide unit are in the upper end for being vertically arranged in adjustable plate, and the set casing is fixedly connected with the sliding block of screw rod slide unit, institute
It states and is equipped with telescopic chute in set casing, one end of the telescopic rod is plugged in telescopic chute, and the conflict ball is mounted on telescopic rod
Lower end, the set casing is interior to be equipped with grating sensor.
In a preferred embodiment of the present invention, the rear portion of first fixed block be provided with display and several control by
The inside of button, first set casing is equipped with battery.
The present invention also provides a kind of measurement methods of the sub- depth measurement device of piano key, include the next steps:
S1: it is fixedly mounted；Rotating rocker rotates fixed link, so that the second fixed block rises, passes through two the second movable pulleys
The side of prolonging of piano front end is clamped with two first movement wheels, meanwhile, two conflict rollers are contradicted with the front end of piano；
S2: it adjusts；The white key or the mobile adjustable plate of black key of piano are more measured, bolt is screwed into mounting hole and corresponding later
Positioning hole fixes locating plate and extension board, the position of measuring mechanism on secured adjusted plate and adjustable plate；
S3: input numerical value；The rotation time of driving motor is inputted according to the distance between adjacent white key or adjacent black key,
The distance that screw rod slide unit measures decline every time is inputted according to the type of piano；
S4: reading；The scale value that pointer is directed toward is observed by worker to read or by grating sensor induction telescopic rod entrance
Distance in telescopic chute；
S5: depth test result is obtained according to calculation formula.
In a preferred embodiment of the present invention, the calculation formula in the S5 is h=a-b；
Wherein h is the depth results for testing key；
Wherein a is the distance that the screw rod slide unit inputted in S3 declines every time；
Wherein b is the distance in the telescopic rod retraction telescopic chute read in S4.
In a preferred embodiment of the present invention, if in S4 using artificial reading if by manually according to formula calculated result, if
Number is read using grating sensor in S4, then calculate and shown by display tying automatically according to formula by computing system
Fruit.
The present invention provides a kind of sub- depth measurement device of piano key and its measurement method by improving herein, with the prior art
Compare, have the advantages that as follows improve and:
(1) present invention contradicts ball and only contradicts a key, therefore, the key of two sides will not cause measurement result in measurement
It influences.
(2) present invention is provided with mobile mechanism, two first movement wheel rotations is driven by driving motor work, so that moving
Motivation structure is able to drive the device along the Front movement of piano, thus be automatically moved at next key and detected, nothing
It need to manually move, so that measurement is faster.
(3) it is equipped with regulating mechanism in the present invention, by promotion adjustable plate, later fixes locating plate and extension board, thus
The position of mechanism for testing is adjusted, so that mechanism for testing, which can either measure white key, can also measure black key, function
It can be more complete.
(4) present invention can either obtain measurement result by manually reading, also can automatic reading and show as a result, use
Person can be as needed measuring speed and cost factor unrestricted choice.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples:
Fig. 1 is first angle schematic perspective view of the invention；
Fig. 2 is second angle schematic perspective view of the invention；
Fig. 3 is the enlarged drawing in Fig. 2 at C；
Fig. 4 is the enlarged drawing in Fig. 2 at B；
Fig. 5 is sectional perspective structural schematic diagram of the invention；
Fig. 6 is the schematic perspective view of driving assembly in the present invention.
Description of symbols: fixed mechanism 1, the first fixed block 1a, the second fixed block 1b, fixing groove 1c, sliding rail 1d are fixed
Bar 1e, rocking bar 1f, mobile mechanism 2, moving assembly 2a, the first mounting plate 2a1, the second mounting plate 2a2, first movement wheel 2a3, the
Two movable pulley 2a4, protective case 2a5 contradict roller 2a6, driving assembly 2b, driving motor 2b1, transmission gear 2b2, drive shaft 2b3,
Regulating mechanism 3 adjusts component 3a, adjustable plate 3a1, extension board 3a2, slideway 3a3, sliding shoe 3a4, positioning component 3b, locating plate
3b1, mounting hole 3b2, location hole 3b3, measuring mechanism 4, screw rod slide unit 4a, set casing 4b, telescopic rod 4c contradict ball 4d, stretch
Slot 4e, pointer 4f, graduation mark 4g, display 5, control button 6.
Specific embodiment
Below in conjunction with attached drawing 1 to Fig. 6, the present invention is described in detail, technical solution in the embodiment of the present invention into
Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
Embodiment one:
The present invention provides a kind of sub- depth measurement device of piano key and its measurement method by improving herein, as shown in figs 1 to 6,
Including fixed mechanism 1, mobile mechanism 2, regulating mechanism 3 and measuring mechanism 4, the mobile mechanism 2 is mounted on the one of fixed mechanism 1
Side, the regulating mechanism 3 are mounted on the upper end of fixed mechanism 1, and the measuring mechanism 4 is mounted on the upper end of regulating mechanism 3, described
Mobile mechanism 2 includes moving assembly 2a and driving assembly 2b, and the moving assembly 2a is fixedly connected with fixed mechanism 1, the drive
Dynamic component 2b is mounted in fixed mechanism 1 and driving assembly 2b is fixedly connected with moving assembly 2a, and the regulating mechanism 3 includes adjusting
Section component 3a and positioning component 3b, the adjusting component 3a are mounted on the upper end of fixed mechanism 1, and the positioning component 3b is mounted on
Adjust the side of component 3a.
The working principle of the invention: the present invention can be fixed on to the Yan Bianchu of piano front end by fixed mechanism 1, later
It is the position that black key or white key adjust measuring mechanism 4 according to test, then is fixed by positioning component 3b, later by measuring
Device is detected, and after completing the measurement of a shank, position of the invention is automatically moved by mobile mechanism 2, is moved to
At another shank, the work of measuring mechanism 4 detects again.
Further, the fixed mechanism 1 includes the first fixed block 1a and the second fixed block 1b, the first fixed block 1a
Side be equipped with fixing groove 1c, the second fixed block 1b is mounted in fixing groove 1c, on the side wall of the two sides the fixing groove 1c
It is provided with sliding rail 1d, the two sides of the second fixed block 1b are equipped with the sliding slot being slidably matched with sliding rail 1d, the fixing groove
Fixed link 1e is equipped in 1c, the upper end of the fixed link 1e and the first fixed block 1a are rotatablely connected, the lower end of the fixed link 1e
The side wall of the second fixed block 1b and fixing groove 1c is sequentially passed through, the lower end of the fixed link 1e is equipped with rocking bar 1f, the fixed link
External screw thread is provided on 1e, the second fixed block 1b is equipped with threaded hole, and the threaded hole is threadedly engaged with fixed block；Pass through
Rotating rocker 1f drives fixed link 1e rotation, since the second fixed block 1b is threadedly engaged by threaded hole and fixed link 1e, so that
Second fixed block 1b is moved along fixed link 1e axis, mobile so that fixed to the first fixed block 1a by the second fixed block 1b
Mechanism 1 clamps, and the forward position of piano is clamped by moving assembly 2a, wherein the setting of sliding rail 1d and sliding slot can either prevent second
Fixed block 1b is rotated when moving, also can reduce the frictional force between the second fixed block 1b and fixing groove 1c side wall.
Further, the moving assembly 2a includes the first mounting plate 2a1, the second mounting plate 2a2, two first movement wheels
2a3 and two second movable pulley 2a4, the first mounting plate 2a1 and the second mounting plate 2a2 are separately mounted to the first fixed block 1a
With the same side of the second fixed block 1b, two first movement wheel 2a3 are installed in the lower end of the first mounting plate 2a1, and two
The second movable pulley 2a4 is installed in the upper end of the second mounting plate 2a2, each first movement wheel 2a3 and each second movement
Protective case 2a5 is arranged on wheel 2a4, the two sides of the first fixed block 1a, which are equipped with, contradicts roller 2a6, the driving component 2b
First is installed in including driving motor 2b1, two transmission gear 2b2 and two drive shafts 2b3, two drive shaft 2b3
In fixed block 1a, one end of two drive shaft 2b3 is fixedly connected with two two first movement wheel 2a3 respectively, the driving electricity
Machine 2b1 is mounted in the first fixed block 1a and the output end of driving motor 2b1 is fixedly connected with one end of a drive shaft 2b3,
Two transmission gear 2b2 are separately mounted on two drive shaft 2b3, are connected between two transmission gear 2b2 by chain drive；
The drive shaft 2b3 being firmly connected with it rotation is driven by driving motor 2b1 work, drive shaft 2b3 drives a transmission gear
2b2 rotation rotates synchronously two transmission gear 2b2 in the case where chain is in transmission, so that two drive shaft 2b3 drive two
A first movement wheel 2a3 is rotated synchronously, and enables mobile mechanism 2 along the Front movement of piano, wherein to pass through two conflict rollers
2a6 is bonded with the forward position of piano simultaneously, so that the direction in forward position of moving direction and piano in mobile mechanism 2 is identical, is avoided
The present invention is tiltedly mounted on piano front end, can prevent first movement wheel 2a3 and the second movable pulley by the setting of protective case 2a5
2a4 is directly contacted with piano, and moving assembly 2a is avoided during the work time to scratch piano.
Further, the adjusting component 3a includes adjustable plate 3a1, two extension board 3a2 and two slideway 3a3, and two
Extension board 3a2 is installed in the side of the first upper end fixed block 1a, two extension board 3a2 with the first fixed block 1a one at
Type, two slideway 3a3 are separately mounted to the upper end of two extension board 3a2, sliding shoe 3a4, institute are provided on two slideway 3a3
The lower end for stating adjustable plate 3a1 is fixedly connected with all sliding shoe 3a4, and the positioning component 3b includes locating plate 3b1, mounting hole
3b2 and two location hole 3b3, the locating plate 3b1 are mounted on the side of adjustable plate 3a1, and the mounting hole 3b2 setting is positioning
Piece 3b1's is upper, and two location hole 3b3 are arranged at intervals on the upper end of extension board 3a2；It is directly pushed away when needing to check black key
Locating plate 3b1, is fixedly connected by dynamic adjustable plate 3a1 by bolt with the location hole 3b3 of the front end extension board 3a2 later, so that surveying
Measuring mechanism 4 is moved to front end and checks black key.
Further, the measuring mechanism 4 includes screw rod slide unit 4a, set casing 4b, telescopic rod 4c and contradicts ball 4d, described
Screw rod slide unit 4a is in the upper end for being vertically arranged in adjustable plate 3a1, and the set casing 4b is fixedly connected with the sliding block of screw rod slide unit 4a,
Telescopic chute 4e is equipped in the set casing 4b, one end of the telescopic rod 4c is plugged in telescopic chute 4e, the conflict ball 4d peace
Mounted in the lower end of telescopic rod 4c, the upper end of the telescopic rod 4c is provided with pointer 4f, is provided with quarter on front side of the set casing 4b
Spend line 4g；It drives sliding block to move down downwards by screw rod slide unit 4a, while set casing 4b is moved down, and telescopic rod 4c and supports
Touching ball 4d is also moved downward simultaneously under gravity, will by the gravity of its own when conflict ball 4d is located on key
Key pushes, simultaneously as the distance of screw rod slide unit 4a driving sliding block movement is greater than the depth of key, therefore, the part having more
By offsetting in telescopic rod 4c retraction telescopic chute 4e, measurement numerical value is read by the numerical value that pointer 4f is directed toward graduation mark 4g later.
Further, the rear portion of the first fixed block 1a is provided with display 5 and several control buttons 6, and described
The inside of one set casing 4b is equipped with battery, and battery can adjust screw rod slide unit 4a by control button 6 for providing electric energy
Driving distance, thus be suitable for different types of piano, display 5 be used for display working condition.
The present invention also provides a kind of measurement methods of the sub- depth measurement device of piano key, include the next steps:
S1: it is fixedly mounted；Rotating rocker 1f rotates fixed link 1e, so that the second fixed block 1b rises, passes through two second
Movable pulley 2a4 and two first movement wheel 2a3 by piano front end prolong side clamp, meanwhile, two conflict roller 2a6 with piano
Front end contradicts；
S2: it adjusts；More measure the white key or the mobile adjustable plate 3a1 of black key of piano, later by bolt be screwed into mounting hole 3b2 and
In corresponding location hole 3b3, locating plate 3b1 and extension board 3a2 are fixed, measuring machine on secured adjusted plate 3a1 and adjustable plate 3a1
The position of structure 4；
S3: input numerical value；When inputting the rotation of driving motor 2b1 according to the distance between adjacent white key or adjacent black key
Between, the distance that screw rod slide unit 4a measures decline every time is inputted according to the type of piano；
S4: reading；The scale value that pointer 4f is directed toward is observed by worker and is read out the distance that telescopic rod 4c enters in telescopic chute 4e；
S5: depth test result is obtained according to calculation formula.
Further, the calculation formula in the S5 is h=a-b；
Wherein h is the depth results for testing key；
Wherein a is the distance that the screw rod slide unit 4a inputted in S3 declines every time；
Wherein b is the distance in the telescopic rod 4c retraction telescopic chute 4e read in S4.
Further, by manually according to formula calculated result.
In addition to calculating key depth by calculation formula in the present embodiment, additionally it is possible to graduation mark 4g is inverted and is arranged, thus
So that read in S4 it is vertical between be test result.
Embodiment two:
Further, the measuring mechanism 4 includes screw rod slide unit 4a, set casing 4b, telescopic rod 4c and contradicts ball 4d, the screw rod
Slide unit 4a is in the upper end for being vertically arranged in adjustable plate 3a1, and the set casing 4b is fixedly connected with the sliding block of screw rod slide unit 4a, described
Telescopic chute 4e is equipped in set casing 4b, one end of the telescopic rod 4c is plugged in telescopic chute 4e, and the conflict ball 4d is mounted on
The lower end of telescopic rod 4c, the set casing 4b is interior to be equipped with grating sensor；It being capable of auto-induction telescopic bar by grating sensor
Length in 4c retraction telescopic chute 4e, without manually being read and being calculated, meanwhile, it is capable to which setting is corresponding in a device
Computing system calculates final measurement automatically.
The working principle processing reading of embodiment two is different with calculation outer, other work steps are identical, do not do herein
It repeats.
The present invention also provides a kind of measurement methods of the sub- depth measurement device of piano key, include the next steps:
S1: it is fixedly mounted；Rotating rocker 1f rotates fixed link 1e, so that the second fixed block 1b rises, passes through two second
Movable pulley 2a4 and two first movement wheel 2a3 by piano front end prolong side clamp, meanwhile, two conflict roller 2a6 with piano
Front end contradicts；
S2: it adjusts；More measure the white key or the mobile adjustable plate 3a1 of black key of piano, later by bolt be screwed into mounting hole 3b2 and
In corresponding location hole 3b3, locating plate 3b1 and extension board 3a2 are fixed, measuring machine on secured adjusted plate 3a1 and adjustable plate 3a1
The position of structure 4；
S3: input numerical value；When inputting the rotation of driving motor 2b1 according to the distance between adjacent white key or adjacent black key
Between, the distance that screw rod slide unit 4a measures decline every time is inputted according to the type of piano；
S4: reading；Distance in telescopic chute 4e is entered by grating sensor induction telescopic rod 4c；
S5: depth test result is obtained according to calculation formula.
Further, the calculation formula in the S5 is h=a-b；
Wherein h is the depth results for testing key；
Wherein a is the distance that the screw rod slide unit 4a inputted in S3 declines every time；
Wherein b is the distance in the telescopic rod 4c retraction telescopic chute 4e read in S4.
Further, result is shown by system according to formula calculated result and by display 5.
Further, by manually reading and being calculated measurement result in the embodiment of the present invention one, this will increase people
The amount of labour of work, but measurement result is not interfered, and by grating sensor and corresponding computing system energy is arranged in embodiment two
It is enough to be read and calculated automatically, and result is directly passed through into display 5 and is shown, measuring speed is faster, further to drop
The workload of low gauger, still, in comparison, one cost of embodiment is lower, is primarily adapted for use in family and some small-sized
Piano paving is sold to use, and the measuring speed in embodiment two is faster, therefore, is primarily adapted for use in production firm's measurement.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of sub- depth measurement device of piano key, it is characterised in that: including fixed mechanism (1), mobile mechanism (2), adjust machine
Structure (3) and measuring mechanism (4), the mobile mechanism (2) are mounted on the side of fixed mechanism (1), regulating mechanism (3) installation
In the upper end of fixed mechanism (1), the measuring mechanism (4) is mounted on the upper end of regulating mechanism (3), mobile mechanism (2) packet
Moving assembly (2a) and driving assembly (2b) are included, the moving assembly (2a) is fixedly connected with fixed mechanism (1), the driving group
Part (2b) is mounted in fixed mechanism (1) and driving assembly (2b) is fixedly connected with moving assembly (2a), the regulating mechanism (3)
Including adjusting component (3a) and positioning component (3b), the upper end for adjusting component (3a) and being mounted on fixed mechanism (1) is described fixed
Hyte part (3b) is mounted on the side for adjusting component (3a).
2. the sub- depth measurement device of a kind of piano key according to claim 1, it is characterised in that: the fixed mechanism (1)
Including the first fixed block (1a) and the second fixed block (1b), the side of first fixed block (1a) is equipped with fixing groove (1c), institute
It states the second fixed block (1b) to be mounted in fixing groove (1c), is provided with sliding rail on the side wall of fixing groove (1c) two sides
(1d), the two sides of second fixed block (1b) are equipped with the sliding slot being slidably matched with sliding rail (1d), and the fixing groove (1c) is interior
Equipped with fixed link (1e), the upper end of the fixed link (1e) and the first fixed block (1a) are rotatablely connected, the fixed link (1e)
Lower end sequentially passes through the side wall of the second fixed block (1b) and fixing groove (1c), and the lower end of the fixed link (1e) is equipped with rocking bar
(1f), is provided with external screw thread on the fixed link (1e), and second fixed block (1b) is equipped with threaded hole, the threaded hole with
Fixed block is threadedly engaged.
3. the sub- depth measurement device of a kind of piano key according to claim 2, it is characterised in that: the moving assembly (2a)
Including the first mounting plate (2a1), the second mounting plate (2a2), two first movement wheels (2a3) and two the second movable pulleys (2a4),
First mounting plate (2a1) and the second mounting plate (2a2) are separately mounted to the first fixed block (1a) and the second fixed block (1b)
The same side, two first movement wheels (2a3) are installed in the lower end of the first mounting plate (2a1), and two described second are moved
Driving wheel (2a4) is installed in the upper end of the second mounting plate (2a2), each first movement wheel (2a3) and each second movable pulley
It is arranged on (2a4) protective case (2a5), the two sides of first fixed block (1a), which are equipped with, contradicts roller (2a6), the driving
Component (2b) includes driving motor (2b1), two transmission gears (2b2) and two drive shafts (2b3), two drive shafts
(2b3) is installed in the first fixed block (1a), one end of two drive shafts (2b3) respectively with two two first movement wheels
(2a3) is fixedly connected, and the driving motor (2b1) is mounted in the first fixed block (1a) and the output end of driving motor (2b1)
It being fixedly connected with one end of a drive shaft (2b3), two transmission gears (2b2) are separately mounted on two drive shafts (2b3),
It is connected between two transmission gears (2b2) by chain drive.
4. the sub- depth measurement device of a kind of piano key according to claim 2, it is characterised in that: the adjusting component (3a)
Including adjustable plate (3a1), two extension boards (3a2) and two slideways (3a3), it is solid that two extension boards (3a2) are installed in first
Determine the side of the upper end block (1a), two extension boards (3a2) are integrally formed with the first fixed block (1a), two slideways (3a3) point
It is not mounted on the upper end of two extension boards (3a2), is provided with sliding shoe (3a4), the adjustable plate on two slideways (3a3)
The lower end of (3a1) is fixedly connected with all sliding shoes (3a4), and the positioning component (3b) includes locating plate (3b1), mounting hole
(3b2) and two location holes (3b3), the locating plate (3b1) are mounted on the side of adjustable plate (3a1), the mounting hole (3b2)
It is arranged in the upper of locating plate (3b1), two location holes (3b3) are arranged at intervals on the upper end of extension board (3a2).
5. the sub- depth measurement device of a kind of piano key according to claim 4, it is characterised in that: the measuring mechanism (4)
Including screw rod slide unit (4a), set casing (4b), telescopic rod (4c) and ball (4d) is contradicted, the screw rod slide unit (4a) is in be vertically arranged
In the upper end of adjustable plate (3a1), the set casing (4b) is fixedly connected with the sliding block of screw rod slide unit (4a), the set casing (4b)
Interior to be equipped with telescopic chute (4e), one end of the telescopic rod (4c) is plugged in telescopic chute (4e), and the conflict ball (4d) is mounted on
The upper end of the lower end of telescopic rod (4c), the telescopic rod (4c) is provided with pointer (4f), the front side setting of the set casing (4b)
There is graduation mark (4g).
6. the sub- depth measurement device of a kind of piano key according to claim 4, it is characterised in that: the measuring mechanism (4)
Including screw rod slide unit (4a), set casing (4b), telescopic rod (4c) and ball (4d) is contradicted, the screw rod slide unit (4a) is in be vertically arranged
In the upper end of adjustable plate (3a1), the set casing (4b) is fixedly connected with the sliding block of screw rod slide unit (4a), the set casing (4b)
Interior to be equipped with telescopic chute (4e), one end of the telescopic rod (4c) is plugged in telescopic chute (4e), and the conflict ball (4d) is mounted on
The lower end of telescopic rod (4c), the set casing (4b) is interior to be equipped with grating sensor.
7. the sub- depth measurement device of a kind of piano key according to claim 2, it is characterised in that: first fixed block
The rear portion of (1a) is provided with display (5) and several control buttons (6), and the inside of first set casing (4b) is equipped with electric power storage
Pond.
8. a kind of measurement method of the sub- depth measurement device of piano key according to any one of claims 1-7, special
Sign is, comprising the following steps:
S1: it is fixedly mounted；Rotating rocker (1f) rotates fixed link (1e), so that the second fixed block (1b) rises, passes through two
A second movable pulley (2a4) and two first movement wheels (2a3) clamp the side of prolonging of piano front end, meanwhile, two conflict rollers
(2a6) is contradicted with the front end of piano；
S2: it adjusts；White key or the black key for more measuring piano are mobile adjustable plate (3a1), and bolt is screwed into mounting hole later
It is in (3b2) and corresponding location hole (3b3), locating plate (3b1) and extension board (3a2) is fixed, secured adjusted plate (3a1) and tune
Save the position of measuring mechanism (4) on plate (3a1)；
S3: input numerical value；The rotation of driving motor (2b1) is inputted according to the distance between adjacent white key or adjacent black key
Time inputs screw rod slide unit (4a) distance that measurement declines every time according to the type of piano；
S4: reading；It is read by the scale value that worker observes pointer (4f) direction or telescopic rod is incuded by grating sensor
(4c) enters the distance in telescopic chute (4e)；
S5: depth test result is obtained according to calculation formula.
9. a kind of measurement method of the sub- depth measurement device of piano key according to claim 8, it is characterised in that: the S5
In calculation formula be；
Wherein h is the depth results for testing key；
Wherein a is the distance that the screw rod slide unit (4a) inputted in S3 declines every time；
Wherein b is the distance in telescopic rod (4c) the retraction telescopic chute (4e) read in S4.
10. a kind of measurement method of the sub- depth measurement device of piano key according to claim 8, it is characterised in that: if S4
It is middle to be read then using artificial by if reading number using grating sensor in S4, passing through calculating manually according to formula calculated result
System calculate automatically according to formula and shows result by display (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811263386.XA CN109163671A (en) | 2018-10-28 | 2018-10-28 | A kind of sub- depth measurement device of piano key and its measurement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811263386.XA CN109163671A (en) | 2018-10-28 | 2018-10-28 | A kind of sub- depth measurement device of piano key and its measurement method |
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| Publication Number | Publication Date |
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| CN109163671A true CN109163671A (en) | 2019-01-08 |
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ID=64876118
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129514A (en) * | 2020-10-20 | 2020-12-25 | 中山市科立达电子有限公司 | Accurate efficient key test equipment |
-
2018
- 2018-10-28 CN CN201811263386.XA patent/CN109163671A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129514A (en) * | 2020-10-20 | 2020-12-25 | 中山市科立达电子有限公司 | Accurate efficient key test equipment |
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