CN109060222A - A kind of dulcimer string tension measuring device - Google Patents

A kind of dulcimer string tension measuring device Download PDF

Info

Publication number
CN109060222A
CN109060222A CN201811213002.3A CN201811213002A CN109060222A CN 109060222 A CN109060222 A CN 109060222A CN 201811213002 A CN201811213002 A CN 201811213002A CN 109060222 A CN109060222 A CN 109060222A
Authority
CN
China
Prior art keywords
described device
screw
device shell
console
fixing seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811213002.3A
Other languages
Chinese (zh)
Other versions
CN109060222B (en
Inventor
刘科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan City University
Original Assignee
Hunan City University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan City University filed Critical Hunan City University
Priority to CN201811213002.3A priority Critical patent/CN109060222B/en
Publication of CN109060222A publication Critical patent/CN109060222A/en
Application granted granted Critical
Publication of CN109060222B publication Critical patent/CN109060222B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • G01L5/10Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means

Abstract

The invention discloses a kind of dulcimer string tension measuring devices, including device housing, console, fixing seat, live-roller, described device housing upper face is provided with string outlet, it is integrally formed between the string outlet and described device shell, the console is provided in front of described device shell, it is connected by screw between the console and described device shell, it is provided with the fixing seat below the console and described device shell, is connected by screw between described device shell and the fixing seat.Beneficial effect is: structure of the invention is reasonable, it is easy to operate, it is easy to use, pull force calculation can be carried out to string in real time when installing dulcimer string, and testing result is more accurate, the quality for improving the installation of dulcimer string, can quickly tense dulcimer string according to setting value, to improve the installation effectiveness of dulcimer string.

Description

A kind of dulcimer string tension measuring device
Technical field
The present invention relates to dulcimer fields, more particularly to a kind of dulcimer string tension measuring device.
Background technique
Dulcimer, also known as dulcimer play qin, copper wire qin, covering of the fan qin, bat qin, butterfly qin, hammered string instrument.Dulcimer is middle its people Essential musical instrument in band of race, dulcimer are a kind of Chinese common hammered string instruments, and of the same clan with piano, tone color has distinct Feature, volume is grand, couples hardness with softness;Slowly when playing, the mountain spring of tone color such as ding-dong, tone color for another example murmuring stream when playing fastly.Tone color is bright It is bright, like that big pearl is small is clear and melodious as pearls falling on a plate of jade.Expressive force is extremely abundant, with solo, He Zou or can be story-telling in the form of ballads song with musical accompaniment, a Chinese musical telling and opera companion It plays, the role of " piano accompaniment " is often served as in instrumental folk music He Zou and national orchestra, be a kind of indispensable main pleasure Device.The pulling force of dulcimer string has very big influence to the sound of the performance of dulcimer, therefore dulcimer needs during installing string Tension measurement is carried out to string, the dulcimer string tension measuring device provided on the market at present has very much, but these devices Unreasonable structural design, it is all very inconvenient using operating and low to the accuracy of tension measurement, affect dulcimer string Installation.
Summary of the invention
The object of the invention is that a kind of dulcimer string tension measuring device is provided to solve the above-mentioned problems, this hair It is bright structurally reasonable, it is easy to use, it measures more acurrate.
The present invention through the following technical solutions to achieve the above objectives:
A kind of dulcimer string tension measuring device, including device housing, console, fixing seat, live-roller, described device shell It is provided with string outlet above body, is integrally formed, described device shell between the string outlet and described device shell Front is provided with the console, is connected by screw between the console and described device shell, the console and institute It states and is provided with the fixing seat below device housing, be connected by screw between described device shell and the fixing seat, it is described It is connected by screw between console and the fixing seat, described device shell rear is provided with torsion motor, the torsion electricity It is bolted between machine and described device shell, torsion sensor, the torsion sensing is provided on the torsion motor The model of device is TQ-660, is connected by screw between the torsion sensor and the torsion motor, described device shell leans on The side of the nearly torsion motor is provided with string import, is to be integrally formed between the string import and described device shell , it is provided with touch display screen above the console, is connected by screw between the touch display screen and the console, The touch display screen side is provided with quick keyboard and loudspeaker, passes through screw between the quick keyboard and the console Connection, is connected by screw between the loudspeaker and the console, partition, the partition is provided in described device shell Through electric welding in described device shell, the partition side is provided with conduit, sets between the conduit and the partition It is equipped with clip, by the clamp connection between the conduit and the partition, passes through spiral shell between the clip and the partition Nail connection, the conduit other side are provided with cylinder, and the cylinder is bolted in described device shell, the cylinder On be provided with pinch roller and pressure sensor, the model of the pressure sensor is TJP-1, and the pinch roller and the cylinder are rotations Connection, the pressure sensor are fixed by screws on the cylinder, are provided with the live-roller below the pinch roller, described Connected between live-roller and described device shell by bearing, be provided with supporting table below the fixing seat, the fixing seat and It is provided with guide rail between the supporting table, is bolted between the guide rail and the supporting table, the fixing seat and institute Stating is to be slidably connected between guide rail, and the fixing seat side is provided with locking member, is between the locking member and the fixing seat It is threadedly coupled, is provided with supporting leg below the supporting table, pass through electric welding, the branch between the supporting leg and the supporting table Leg lower end is provided with adjusting stabilizer blade, is to be threadedly coupled between the adjusting stabilizer blade and the supporting leg.
Further setting: the partition other side is provided with controller, and the model of the controller is SPC-STW-26A1, The controller is fixed by screws in described device shell.
So set, being connected by screw to makes connection effect between the controller and described device shell more preferably simultaneously It is easy to repair.
Further setting: it is provided with air pump below the controller, the air pump is bolted on described device shell In vivo.
So set, being bolted keeps connection effect between the air pump and described device shell more preferable while just In maintenance.
Further setting: the controller is provided with frequency converter, the model of the frequency converter far from the side of the partition It is 6SL3982-5CX10-0AA1, is connected between the frequency converter and the torsion motor by conducting wire.
So set, the frequency converter is used to control the torsion motor.
Further setting: the frequency converter is fixed by screws in described device shell.
So set, being connected by screw to makes connection effect between the frequency converter and described device shell more preferably simultaneously It is easy to repair.
Further setting: the air pump is provided with processor far from the side of the partition, and the model of the processor is MT6995, the touch display screen, the quick keyboard, the pressure sensor, the torsion sensor and the controller It is wired to the processor respectively, the loudspeaker, the frequency converter and the air pump pass through conducting wire respectively and connect To the controller.
So set, the processor is used to that data and signal are analyzed and handled.
Further setting: the processor is fixed by screws in described device shell.
So set, being connected by screw to makes connection effect between the processor and described device shell more preferably simultaneously It is easy to repair.
Further setting: it is provided with support rod between the supporting leg, passes through electric welding between the support rod and the supporting leg Welding.
So set, keeping the connection between the support rod and the supporting leg stronger by electric welding.
Further setting: the locking member includes handle and tie down screw, and the handle is arranged on the tie down screw, Pass through electric welding between the handle and the tie down screw.
So set, keeping the connection between the tie down screw and the handle stronger by electric welding.
Further setting: the adjusting stabilizer blade includes adjusting screw rod and feet, and the feet is arranged in the adjusting screw rod On, it is rotation connection between the feet and the adjusting screw rod.
So set, make the connection effect between the feet and the adjusting screw rod more preferably by rotation connection while making The adjusting stabilizer blade is convenient for adjusting.
Compared with prior art, beneficial effects of the present invention are as follows:
1, structurally reasonable, it is easy to operate, it is easy to use;
2, pull force calculation can be carried out to string in real time when installing dulcimer string, and testing result is more accurate, mentions The high quality of dulcimer string installation;
3, quickly dulcimer string can be tensed according to setting value, to improve the installation effectiveness of dulcimer string.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of main view schematic perspective view of dulcimer string tension measuring device of the present invention;
Fig. 2 is a kind of rear view three-dimensional structure of dulcimer string tension measuring device of the present invention;
Fig. 3 is a kind of device housing internal structure chart of dulcimer string tension measuring device of the present invention;
Fig. 4 is a kind of locking member schematic perspective view of dulcimer string tension measuring device of the present invention;
Fig. 5 is that a kind of main sectional view of dulcimer string tension measuring device of the present invention adjusts the signal of stabilizer blade stereochemical structure Figure;
Fig. 6 is a kind of circuit structure flow diagram of dulcimer string tension measuring device of the present invention.
The reference numerals are as follows:
1, string exports;2, quick keyboard;3, device housing;4, touch display screen;5, console;6, fixing seat;7, it raises Sound device;8, live-roller;9, string import;10, torsion motor;11, torsion sensor;12, cylinder;13, pinch roller;14, air pump; 15, processor;16, frequency converter;17, controller;18, partition;19, clip;20, conduit;21, guide rail;22, supporting table;23, it props up Leg;24, support rod;25, stabilizer blade is adjusted;26, locking member;27, pressure sensor;28, handle;29, tie down screw;30, it adjusts Screw rod;31, feet.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The present invention will be further explained below with reference to the attached drawings:
As shown in figs 1 to 6, a kind of dulcimer string tension measuring device, including device housing 3, console 5, fixing seat 6, Live-roller 8, device housing 3 are provided with string outlet 1 above, are integrally formed, dress between string outlet 1 and device housing 3 It sets and is provided with console 5 in front of shell 3, console 5 is used to connect between console 5 and device housing 3 by screw convenient for control It connects, fixing seat 6 is provided with below console 5 and device housing 3, fixing seat 6 is used to fix device, device housing 3 and fixing seat 6 Between be connected by screw to, be connected by screw between console 5 and fixing seat 6,3 rear of device housing is provided with torsion motor 10, torsion motor 10 is used to drive live-roller 8, is bolted between torsion motor 10 and device housing 3, torsion motor 10 On be provided with torsion sensor 11, torsion sensor 11 is used to detect and feed back the torsion of torsion motor 10, torsion sensor 11 It is connected by screw between torsion motor 10, device housing 3 is provided with string import 9, qin close to the side of torsion motor 10 Be between string import 9 and device housing 3 it is integrally formed, console 5 is provided with touch display screen 4 above, and touch display screen 4 is used It interacts, is connected by screw between touch display screen 4 and console 5,4 side of touch display screen is provided with quick keyboard 2 and loudspeaker 7, quick keyboard 2 is used to facilitate operation, loudspeaker 7 for issuing voice prompting, quick keyboard 2 and console 5 it Between be connected by screw to, be connected by screw between loudspeaker 7 and console 5, partition 18, partition be provided in device housing 3 18 by electric welding in device housing 3,18 side of partition is provided with conduit 20, and conduit 20 is used to be oriented to, conduit 20 and every Clip 19 is provided between plate 18, clip 19 is used to fixed catheter 20, connects between conduit 20 and partition 18 by clip 19, blocks It is connected by screw between hoop 19 and partition 18,20 other side of conduit is provided with cylinder 12, and cylinder 12 is used to drive pinch roller 13, gas Cylinder 12 is bolted in device housing 3, and pinch roller 13 and pressure sensor 27, pressure sensor 27 are provided on cylinder 12 For detecting and feeding back the pressure that string is subject to, pinch roller 13 and cylinder 12 are rotation connections, and pressure sensor 27 is solid by screw Be scheduled on cylinder 12, be provided with live-roller 8 below pinch roller 13, live-roller 8 is used to transmit string, live-roller 8 and device housing 3 it Between connected by bearing, supporting table 22 is provided with below fixing seat 6, supporting table 22 is used to supporting adn fixing device, fixing seat 6 and branch Guide rail 21 is provided between support platform 22, guide rail 21 is used to limit and be oriented to, be bolted between guide rail 21 and supporting table 22, It is to be slidably connected between fixing seat 6 and guide rail 21,6 side of fixing seat is provided with locking member 26, and locking member 26 is used to lock fixation Seat 6 is to be threadedly coupled between locking member 26 and fixing seat 6, and supporting leg 23 is provided with below supporting table 22, and supporting leg 23 is used to support solid Determine supporting table 22, by electric welding between supporting leg 23 and supporting table 22,23 lower end of supporting leg, which is provided with, adjusts stabilizer blade 25, adjusts branch Foot 25 is used to level, and adjusting is to be threadedly coupled between stabilizer blade 25 and supporting leg 23.
18 other side of partition is provided with controller 17, and controller 17 is fixed by screws in device housing 3, passes through screw Connection keeps the connection effect between controller 17 and device housing 3 more preferable while easy to repair.
Air pump 14 is provided with below controller 17, air pump 14 is bolted in device housing 3, is bolted Keep the connection effect between air pump 14 and device housing 3 more preferable while easy to repair.
Controller 17 is provided with frequency converter 16 far from the side of partition 18, by leading between frequency converter 16 and torsion motor 10 Line connection, frequency converter 16 are used to control torsion motor 10.
Frequency converter 16 is fixed by screws in device housing 3, be connected by screw to make frequency converter 16 and device housing 3 it Between connection effect it is more preferable while easy to repair.
Air pump 14 is provided with processor 15, touch display screen 4, quick keyboard 2, pressure sensor far from the side of partition 18 27, torsion sensor 11 and controller 17 are wired to processor 15, loudspeaker 7, frequency converter 16 and air pump 14 respectively It is wired to controller 17 respectively, processor 15 is used to that data and signal are analyzed and handled.
Processor 15 is fixed by screws in device housing 3, be connected by screw to make processor 15 and device housing 3 it Between connection effect it is more preferable while easy to repair.
It is provided with support rod 24 between supporting leg 23, by electric welding between support rod 24 and supporting leg 23, is welded by electric welding Connecing keeps the connection between support rod 24 and supporting leg 23 stronger.
Locking member 26 includes handle 28 and tie down screw 29, and handle 28 is arranged on tie down screw 29, handle 28 and locking By electric welding between screw rod 29, keep the connection between tie down screw 29 and handle 28 stronger by electric welding.
Adjusting stabilizer blade 25 includes adjusting screw rod 30 and feet 31, and feet 31 is arranged on adjusting screw rod 30, feet 31 and tune It is rotation connection between section screw rod 30, the connection effect between feet 31 and adjusting screw rod 30 is made more preferably simultaneously by rotation connection Make to adjust stabilizer blade 25 convenient for adjusting.
Working principle: powering on, and is leveled by adjusting stabilizer blade 25 to device, aobvious by touching after device leveling Display screen 4 carries out parameter setting, and pressure sensor 27 can be detected and be fed back to the pressure that string is subject to, so as to so that not The pressure being subject to the string of thickness is identical, and torsion sensor 11 can detecte and feed back the torsion of the rotation of torsion motor 10, place Reason device 15 is analyzed and processed fed back values to obtain the pulling force of string, in use, position is adjusted in sliding fixing seat 6, When sliding into suitable position, fixing seat 6 is fixed by locking member 26, so that device be made to fix, is then fixed one end The string other end on dulcimer is put into device housing 3 by string import 9, and cylinder 12 drives under the active force of air pump 14 Pinch roller 13 pushes, and live-roller 8 and pinch roller 13 pull string under the active force of torsion motor 10, when pulling force reaches setting value, Loudspeaker 7 issues voice prompting, reminds operator.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention Reason, 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 It all fall within the protetion scope of the claimed invention.

Claims (10)

1. a kind of dulcimer string tension measuring device, it is characterised in that: including device housing (3), console (5), fixing seat (6), live-roller (8), described device shell (3) are provided with string outlet (1), the string outlet (1) and described device above Be between shell (3) it is integrally formed, be provided with the console (5) in front of described device shell (3), the console (5) It is connected by screw between described device shell (3), is arranged below the console (5) and described device shell (3) It states fixing seat (6), is connected by screw between described device shell (3) and the fixing seat (6), the console (5) and institute It states and is connected by screw between fixing seat (6), described device shell (3) rear is provided with torsion motor (10), the torsion electricity It is bolted between machine (10) and described device shell (3), is provided with torsion sensor on the torsion motor (10) (11), it is connected by screw between the torsion sensor (11) and the torsion motor (10), described device shell (3) is close The side of the torsion motor (10) is provided with string import (9), between the string import (9) and described device shell (3) Be it is integrally formed, the console (5) above be provided with touch display screen (4), the touch display screen (4) and the control Platform is connected by screw between (5), and touch display screen (4) side is provided with quick keyboard (2) and loudspeaker (7), described It is connected by screw between quick keyboard (2) and the console (5), leads between the loudspeaker (7) and the console (5) Screw connection is crossed, is provided with partition (18) in described device shell (3), the partition (18) is by electric welding in described device In shell (3), partition (18) side is provided with conduit (20), is provided between the conduit (20) and the partition (18) Clip (19) is connected between the conduit (20) and the partition (18) by the clip (19), the clip (19) and institute It states and is connected by screw between partition (18), conduit (20) other side is provided with cylinder (12), and the cylinder (12) passes through Bolt is fixed in described device shell (3), and pinch roller (13) and pressure sensor (27) are provided on the cylinder (12), described Pinch roller (13) and the cylinder (12) are rotation connections, and the pressure sensor (27) is fixed by screws in the cylinder (12) On, it is provided with the live-roller (8) below the pinch roller (13), passes through between the live-roller (8) and described device shell (3) Bearing connection, fixing seat (6) lower section is provided with supporting table (22), between the fixing seat (6) and the supporting table (22) It is provided with guide rail (21), is bolted between the guide rail (21) and the supporting table (22), the fixing seat (6) and institute Stating between guide rail (21) is to be slidably connected, and fixing seat (6) side is provided with locking member (26), the locking member (26) and institute Stating between fixing seat (6) is to be threadedly coupled, and is provided with supporting leg (23) below the supporting table (22), the supporting leg (23) and described By electric welding between supporting table (22), supporting leg (23) lower end, which is provided with, adjusts stabilizer blade (25), the adjusting stabilizer blade It (25) is to be threadedly coupled between the supporting leg (23).
2. a kind of dulcimer string tension measuring device according to claim 1, it is characterised in that: the partition (18) is another Side is provided with controller (17), and the controller (17) is fixed by screws in described device shell (3).
3. a kind of dulcimer string tension measuring device according to claim 2, it is characterised in that: under the controller (17) Side is provided with air pump (14), and the air pump (14) is bolted in described device shell (3).
4. a kind of dulcimer string tension measuring device according to claim 3, it is characterised in that: the controller (17) is remote Side from the partition (18) is provided with frequency converter (16), is passed through between the frequency converter (16) and the torsion motor (10) Conducting wire connection.
5. a kind of dulcimer string tension measuring device according to claim 4, it is characterised in that: the frequency converter (16) is logical Screw is crossed to be fixed in described device shell (3).
6. a kind of dulcimer string tension measuring device according to claim 5, it is characterised in that: the air pump (14) is separate The side of the partition (18) is provided with processor (15), the touch display screen (4), the quick keyboard (2), the pressure Sensor (27), the torsion sensor (11) and the controller (17) are wired to the processor respectively (15), the loudspeaker (7), the frequency converter (16) and the air pump (14) are wired to the controller respectively (17)。
7. a kind of dulcimer string tension measuring device according to claim 6, it is characterised in that: the processor (15) is logical Screw is crossed to be fixed in described device shell (3).
8. a kind of dulcimer string tension measuring device according to claim 7, it is characterised in that: between the supporting leg (23) It is provided with support rod (24), passes through electric welding between the support rod (24) and the supporting leg (23).
9. a kind of dulcimer string tension measuring device according to claim 8, it is characterised in that: locking member (26) packet Include handle (28) and tie down screw (29), the handle (28) is arranged on the tie down screw (29), the handle (28) and Pass through electric welding between the tie down screw (29).
10. a kind of dulcimer string tension measuring device according to claim 9, it is characterised in that: the adjusting stabilizer blade It (25) include adjusting screw rod (30) and feet (31), the feet (31) is arranged on the adjusting screw rod (30), the feet It (31) is rotation connection between the adjusting screw rod (30).
CN201811213002.3A 2018-10-18 2018-10-18 Dulcimer string tension measuring device Active CN109060222B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811213002.3A CN109060222B (en) 2018-10-18 2018-10-18 Dulcimer string tension measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811213002.3A CN109060222B (en) 2018-10-18 2018-10-18 Dulcimer string tension measuring device

Publications (2)

Publication Number Publication Date
CN109060222A true CN109060222A (en) 2018-12-21
CN109060222B CN109060222B (en) 2020-11-10

Family

ID=64765148

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811213002.3A Active CN109060222B (en) 2018-10-18 2018-10-18 Dulcimer string tension measuring device

Country Status (1)

Country Link
CN (1) CN109060222B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11607589B1 (en) 2020-10-01 2023-03-21 Mark E. Van Denend Device for accurately measuring string bed stiffness in a racket

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001596A1 (en) * 1984-08-24 1986-03-13 Lightfoot Benjamin H Method and apparatus for determining tension and pressure
CN2043754U (en) * 1988-06-01 1989-08-30 上海交通大学 Tensile measuring device of an automatic winder
CN205014939U (en) * 2015-09-11 2016-02-03 增城华昌塑料五金模具有限公司 Bowstring length automatically regulated and tensile strength automatic measure appearance
CN205981516U (en) * 2016-07-29 2017-02-22 常州赛华汉诚电子有限公司 Force test device is drawn to high -efficient audio frequency plug
CN107127275A (en) * 2017-06-14 2017-09-05 北京星海福音琴业有限公司 A kind of automatic string wrapping machine
US9797819B2 (en) * 2012-03-08 2017-10-24 Regents Of The University Of Minnesota Sensor for tension measurement
CN206974592U (en) * 2017-04-07 2018-02-06 余兆欣 Dulcimer string tension measuring device
CN207036404U (en) * 2017-07-17 2018-02-23 国网浙江省电力公司湖州供电公司 A kind of analogue means for being used to measure single grade of wire tension change of transmission line of electricity

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001596A1 (en) * 1984-08-24 1986-03-13 Lightfoot Benjamin H Method and apparatus for determining tension and pressure
CN2043754U (en) * 1988-06-01 1989-08-30 上海交通大学 Tensile measuring device of an automatic winder
US9797819B2 (en) * 2012-03-08 2017-10-24 Regents Of The University Of Minnesota Sensor for tension measurement
CN205014939U (en) * 2015-09-11 2016-02-03 增城华昌塑料五金模具有限公司 Bowstring length automatically regulated and tensile strength automatic measure appearance
CN205981516U (en) * 2016-07-29 2017-02-22 常州赛华汉诚电子有限公司 Force test device is drawn to high -efficient audio frequency plug
CN206974592U (en) * 2017-04-07 2018-02-06 余兆欣 Dulcimer string tension measuring device
CN107127275A (en) * 2017-06-14 2017-09-05 北京星海福音琴业有限公司 A kind of automatic string wrapping machine
CN207036404U (en) * 2017-07-17 2018-02-23 国网浙江省电力公司湖州供电公司 A kind of analogue means for being used to measure single grade of wire tension change of transmission line of electricity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11607589B1 (en) 2020-10-01 2023-03-21 Mark E. Van Denend Device for accurately measuring string bed stiffness in a racket

Also Published As

Publication number Publication date
CN109060222B (en) 2020-11-10

Similar Documents

Publication Publication Date Title
US20040040434A1 (en) Sound generation device and sound generation program
CN109060222A (en) A kind of dulcimer string tension measuring device
CN206818131U (en) A kind of portable electric eddy current sensor mounting bracket
EP3574496A2 (en) Transducer apparatus for an edge-blown aerophone and an edge-blown aerophone having the transducer apparatus
Gough Acoustic characterisation of string instruments by internal cavity measurements
US20090308228A1 (en) Musical note speedometer
US9966055B2 (en) Digitally pitch-shifted pedal steel guitar
CN207367593U (en) A kind of numeral dulcimer plays platform
CN201336131Y (en) Automatic tuner for piano
JP2009288317A (en) Pickup device and electric stringed instrument
Fouilhe et al. Vibration modes of the cello tailpiece
CN207763611U (en) A kind of long ruler of reinforcing bar deviation of weight survey
JP3599624B2 (en) Electronic percussion equipment for karaoke equipment
CN209589010U (en) A kind of water conservancy inspection gap detection device
CN105466608B (en) A kind of working method of string device for measuring force easy to operate
CN208818114U (en) A kind of musical instrument drum parts machining measuring device
CN207986433U (en) Elevator wire rope tension variation detection device
CN210649950U (en) Sanding device is used in piano board production
CN206593973U (en) intelligent Young modulus measuring device
CN206532570U (en) A kind of fixed piano tuning device
JP4609921B2 (en) Model creation device and model creation program for natural instrument musical sound judgment device
CN210575054U (en) Mechanical adjusting device for piano high-vibration playing performance
JP2007202887A (en) Breath measuring instrument
CN107421633A (en) A kind of the acoustic assessment method and experimental provision of the Chinese zither resonant tank based on resistance technique
CN111599329B (en) Interactive electronic dulcimer and interaction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant