CN109406014B - Rotary wireless dynamometer - Google Patents
Rotary wireless dynamometer Download PDFInfo
- Publication number
- CN109406014B CN109406014B CN201811528855.6A CN201811528855A CN109406014B CN 109406014 B CN109406014 B CN 109406014B CN 201811528855 A CN201811528855 A CN 201811528855A CN 109406014 B CN109406014 B CN 109406014B
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- CN
- China
- Prior art keywords
- base plate
- shaft
- piezoelectric
- dynamometer
- transmitter
- 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.)
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- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 238000003754 machining Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
Abstract
The invention relates to the technical field of force measuring devices of machining equipment; the rotary wireless dynamometer consists of a coupler and a dynamometer; the dynamometer comprises a base plate, a wireless transmitter, a piezoelectric multidimensional force sensor and a cover plate; the base plate is circular, the center of the base plate is provided with a shaft hole, the shaft hole is connected with the shaft through a key slot, the surface of the base plate is provided with a plurality of screw holes, and the screw holes are in one-to-one correspondence with the screw holes on the surface of the coupling plate and are connected through bolts; the base plate is provided with a containing cavity towards one side of the coupler, the piezoelectric multidimensional force sensor is installed in the containing cavity and covered and fixed by the cover plate, the wireless transmitter is installed on the outer edge of the base plate, and the wireless transmitter is connected with the piezoelectric multidimensional force sensor through signals: the invention provides a design of a dynamometer capable of rotating along with a driving shaft, and realizes accurate measurement of stress of a cutter in machining processes with complex motion states such as gear honing cutting.
Description
Technical field:
the invention relates to the technical field of force measuring devices of machining equipment.
The background technology is as follows:
the existing cutting force testing device is fixed, needs to be fixed on a bottom plate, and utilizes a data line to transmit force signals, so that only relatively simple cutting forces of turning, grinding, milling and the like can be measured, and the device is not suitable for machining modes of complex relative motions of gear honing cutting and the like and the need of a dynamometer rotating along with a driving shaft.
The invention comprises the following steps:
in view of this, there is a need for a load cell apparatus that can rotate with a drive shaft for measuring honing process data.
The rotary wireless dynamometer consists of a coupler and a dynamometer; the shaft coupling comprises a shaft coupling disc body, a shaft and a key groove, wherein the shaft coupling disc body is disc-shaped, the center of the shaft coupling disc body is vertically connected with the shaft, the key groove is formed in the shaft, a shaft shoulder is arranged at the joint of the shaft and the shaft coupling disc body, and a plurality of screw holes are uniformly distributed on the surface of the shaft coupling disc body around the shaft.
The dynamometer comprises a base plate, a wireless transmitter, a piezoelectric multidimensional force sensor and a cover plate; the base plate is circular, the center of the base plate is provided with a shaft hole, the shaft hole is connected with the shaft through a key slot, the surface of the base plate is provided with a plurality of screw holes, and the screw holes are in one-to-one correspondence with the screw holes on the surface of the coupling plate and are connected through bolts; the base plate is provided with a cavity facing one side of the coupler, the piezoelectric multidimensional force sensor is arranged in the cavity and covered and fixed by the cover plate, the wireless transmitter is arranged on the outer edge of the base plate, and the wireless transmitter is connected with the piezoelectric multidimensional force sensor through signals.
The piezoelectric multidimensional force sensor comprises a base, an axial piezoelectric sensor, a radial piezoelectric sensor and a signal output line; the base is a square plate, an axial piezoelectric sensor protruding outwards is arranged in the center of the base, a slit is formed in the side edge of the base, a radial piezoelectric sensor is arranged in the slit, and a signal output line is connected to the wireless transmitter.
When the gear honing machine works, the dynamometer base plate is fixedly connected with the driving main shaft through the screw hole surrounding the base plate and is connected with the gear honing tool through the coupler, and power output by the driving main shaft is transmitted to the gear honing tool through the dynamometer. In the gear honing process, the coupler disc body extrudes the cover plate, and then extrudes the axial piezoelectric sensor, and the axial piezoelectric sensor outputs a signal to the wireless transmitter, so that an axial force signal is output; the base slot is periodically deformed under the action of radial force, so that the radial piezoelectric sensor outputs a signal to the wireless transmitter, and the radial force signal is output.
Preferably, in order to ensure that the gravity center of the dynamometer is consistent with the axis, three key grooves are uniformly distributed around the shaft; three piezoelectric multidimensional force sensors are arranged on the base plate and uniformly distributed around the axis of the base plate; the number of the wireless transmitters is three, and the wireless transmitters are uniformly distributed around the outer edge of the base plate.
Preferably, the inner side of the cover plate is provided with a blind hole, an axial piezoelectric sensor is accommodated in the blind hole, the contact between the cover plate and the axial piezoelectric sensor is ensured not to fail, and the base is positioned through the axial piezoelectric sensor.
Preferably, the wireless transmitter comprises a transmitter and a transmitter base, wherein the transmitter base is fixedly arranged on the base plate, and the transmitter is arranged on the outer side of the transmitter base and is fixedly connected with the base plate through the transmitter base.
The invention provides a design of a dynamometer capable of rotating along with a driving shaft, and realizes accurate measurement of stress of a cutter in machining processes with complex motion states such as gear honing cutting.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a specific embodiment of a rotary wireless dynamometer;
FIG. 2 is a schematic view of a coupling part structure of a specific embodiment of a rotary wireless dynamometer;
FIG. 3 is a schematic view of a part of a dynamometer of a specific embodiment of a rotary wireless dynamometer;
fig. 4 is a schematic structural diagram of a piezoelectric multidimensional force sensor of a specific embodiment of a rotary wireless dynamometer.
In the figure: the device comprises a coupler 1, a coupler disc 101, a shaft 102, a key groove 103, a dynamometer 2, a base plate 201, a wireless transmitter 202, a cover plate 203, a piezoelectric multidimensional force sensor 3, a base 301, an axial piezoelectric sensor 302, a radial piezoelectric sensor 303 and a signal output line 304.
The specific embodiment is as follows:
the rotary wireless dynamometer consists of a coupler 1 and a dynamometer 2; the shaft coupling 1 comprises a shaft coupling disc body 101, shafts 102 and key grooves 103, wherein the shaft coupling disc body 101 is disc-shaped, the circle center of the shaft coupling disc body is vertically connected with the shafts 102, the key grooves 103 are three, the shafts 102 are uniformly distributed on the shafts 102 in a surrounding mode, shaft shoulders are arranged at the connecting positions of the shafts 102 and the shaft coupling disc body 101, and six screw holes are uniformly distributed on the surface of the shaft coupling disc body 101 in a surrounding mode.
The dynamometer comprises a basal disc 201, a wireless transmitter 202, a piezoelectric multidimensional force sensor 3 and a cover plate 203; the base plate 201 is circular, a shaft hole is formed in the center of the base plate 201 and is connected with the shaft 102 through a key slot, six screw holes are formed in the surface of the base plate 201, and the screw holes correspond to the screw holes in the surface of the coupling plate one by one and are connected through bolts; the base plate 201 is provided with a cavity towards one side of the coupler 1, the piezoelectric multidimensional force sensor 3 is arranged in the cavity and covered and fixed by the cover plate 203, the wireless transmitter 202 is arranged on the outer edge of the base plate 201, and the wireless transmitter 202 is in signal connection with the piezoelectric multidimensional force sensor 3.
The piezoelectric multidimensional force sensor 3 comprises a base 301, an axial piezoelectric sensor 302, a radial piezoelectric sensor 303 and a signal output line 304; wherein the base 301 is a square plate, an axial piezoelectric sensor 302 protruding outwards is arranged in the center of the base, a slit is arranged at the side edge of the base, a radial piezoelectric sensor 303 is arranged in the slit, and a signal output line 304 is connected to the wireless transmitter 202. The inner side of the cover plate is provided with a blind hole which accommodates the axial piezoelectric sensor 302.
Three piezoelectric multidimensional force sensors 3 are arranged on the base plate 201 and uniformly distributed around the axis of the base plate 201; three wireless transmitters 202 are uniformly distributed around the outer edge of the base plate 201.
Claims (2)
1. The rotary wireless dynamometer is characterized by comprising a coupler and a dynamometer;
the shaft coupling comprises a shaft coupling disc body, a shaft and a key groove, wherein the shaft coupling disc body is disc-shaped, the center of the shaft coupling disc body is vertically connected with the shaft, the key groove is arranged on the shaft, a shaft shoulder is arranged at the joint of the shaft and the shaft coupling disc body, and a plurality of screw holes are uniformly distributed on the surface of the shaft coupling disc body around the shaft;
the dynamometer comprises a base plate, a wireless transmitter, a piezoelectric multidimensional force sensor and a cover plate; the base plate is circular, the center of the base plate is provided with a shaft hole, the shaft hole is connected with the shaft through a key slot, the surface of the base plate is provided with a plurality of screw holes, and the screw holes are in one-to-one correspondence with the screw holes on the surface of the coupling plate and are connected through bolts; the piezoelectric multidimensional force sensor is arranged in the accommodating cavity and covered and fixed by the cover plate, the wireless transmitter is arranged on the outer edge of the base plate, and the wireless transmitter is in signal connection with the piezoelectric multidimensional force sensor;
the piezoelectric multidimensional force sensor comprises a base, an axial piezoelectric sensor, a radial piezoelectric sensor and a signal output line; the base is a square plate, an axial piezoelectric sensor protruding outwards is arranged in the center of the base, a slit is formed in the side edge of the base, a radial piezoelectric sensor is arranged in the slit, and a signal output line is connected to the wireless transmitter;
the number of the key grooves is three, and the key grooves are uniformly distributed around the shaft; three piezoelectric multidimensional force sensors are arranged on the base plate and uniformly distributed around the axis of the base plate; three wireless transmitters are uniformly distributed around the outer edge of the base plate;
the inner side of the cover plate is provided with a blind hole, and an axial piezoelectric sensor is accommodated in the blind hole.
2. The rotary wireless dynamometer of claim 1, wherein the wireless transmitter is comprised of a transmitter and a transmitter mount, the transmitter mount being fixedly mounted on the base plate, the transmitter being mounted outside the transmitter mount and being fixedly connected to the base plate by the transmitter mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528855.6A CN109406014B (en) | 2018-12-07 | 2018-12-07 | Rotary wireless dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528855.6A CN109406014B (en) | 2018-12-07 | 2018-12-07 | Rotary wireless dynamometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109406014A CN109406014A (en) | 2019-03-01 |
| CN109406014B true CN109406014B (en) | 2023-12-29 |
Family
ID=65459091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528855.6A Active CN109406014B (en) | 2018-12-07 | 2018-12-07 | Rotary wireless dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109406014B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554702A (en) * | 2012-01-12 | 2012-07-11 | 南京理工大学 | Device for measuring cutting force and cutting temperature of cutter holder type rotary milling blade |
| CN105784230A (en) * | 2014-12-23 | 2016-07-20 | 沈阳透平机械股份有限公司 | Pump-type product impeller multidimensional force integrated measuring system and measuring method thereof |
| CN207751614U (en) * | 2017-12-22 | 2018-08-21 | 济南大学 | A kind of mode of wireless transmission piezoelectricity two is to dynamometer |
| CN108709673A (en) * | 2018-07-27 | 2018-10-26 | 北方民族大学 | The top gem of a girdle-pendant cuts force test device and test method |
| CN209043496U (en) * | 2018-12-07 | 2019-06-28 | 北方民族大学 | Rotary wireless dynamometer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8276466B2 (en) * | 2010-03-31 | 2012-10-02 | Kulite Semiconductor Products, Inc. | Two or three-axis shear load cell |
-
2018
- 2018-12-07 CN CN201811528855.6A patent/CN109406014B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554702A (en) * | 2012-01-12 | 2012-07-11 | 南京理工大学 | Device for measuring cutting force and cutting temperature of cutter holder type rotary milling blade |
| CN105784230A (en) * | 2014-12-23 | 2016-07-20 | 沈阳透平机械股份有限公司 | Pump-type product impeller multidimensional force integrated measuring system and measuring method thereof |
| CN207751614U (en) * | 2017-12-22 | 2018-08-21 | 济南大学 | A kind of mode of wireless transmission piezoelectricity two is to dynamometer |
| CN108709673A (en) * | 2018-07-27 | 2018-10-26 | 北方民族大学 | The top gem of a girdle-pendant cuts force test device and test method |
| CN209043496U (en) * | 2018-12-07 | 2019-06-28 | 北方民族大学 | Rotary wireless dynamometer |
Non-Patent Citations (1)
| Title |
|---|
| 新型压电三向钻削测力仪的设计与实验研究;韩丽丽;孙宝元;钱敏;;压电与声光(03);第40-42+45页 * |
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| Publication number | Publication date |
|---|---|
| CN109406014A (en) | 2019-03-01 |
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