CN107283349A - Small-sized electric wrench and preparation method - Google Patents
Small-sized electric wrench and preparation method Download PDFInfo
- Publication number
- CN107283349A CN107283349A CN201610228709.6A CN201610228709A CN107283349A CN 107283349 A CN107283349 A CN 107283349A CN 201610228709 A CN201610228709 A CN 201610228709A CN 107283349 A CN107283349 A CN 107283349A
- Authority
- CN
- China
- Prior art keywords
- motor
- spanner
- electric wrench
- control unit
- precision light
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000005405 multipole Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 229910000805 Pig iron Inorganic materials 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 241001275902 Parabramis pekinensis Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/008—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with automatic change-over from high speed-low torque mode to low speed-high torque mode
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of High-precision light electric wrench and preparation method, it includes two handrails, so that user is hand steered；There is provided the power needed for spanner for one spanner motor；One reducing gear；One transmission output shaft, the spanner motor rotates and passes through the reducing gear and the transmission output shaft output torque；One electronic switch, is electrically connected to the spanner motor to control the on/off of the spanner motor；One control unit, controls the electronic switch to turn off so that the spanner motor is stalled；The present invention, as key control point, improves control resolution by the rotary speed data of spanner motor, and it applies microcomputer chip norm controlling technology, develops moment of torsion control unit；Using planetary gear force-increasing mechanism, it is as made by titanium alloy material, and power set use DC micro-motor, because stator is in casing plus magnetic links, therefore electric wrench is made to possess small volume, lightweight, efficiency high and high-power feature, additionally using high-performance lithium battery and battery pack structure.
Description
Technical field
The present invention relates to a kind of small-sized electric wrench and preparation method, refer in particular to one kind and use planetary gear
Force-increasing mechanism and DC micro-motor, possess small volume, lightweight, efficiency high and high-power electronic pull
Hand.
Background technology
With the development of electric tool, its gradually instead of hand-operated tools be widely used in industry manufacture and
In maintenance, the terminal operation of workpiece such as carrying out bolt or nut using electric wrench.
But, during general operation, it is likely to encounter the volume ratio of such situation, bolt or nut
It is smaller, so that the space between workpiece and workpiece is gone to fasten or loosened than narrow using existing spanner
It is less susceptible, gone to fasten or loosen with hand even more of no avail.
Domestic fastening or loosening for small dimension bolt or nut at present, it is general artificial using double offset ring spanner
Fastening loosens, and relatively advanced is only the fastening of manual constant torque wrench or the pine using various low precision
It is dynamic, the low defect of generally existing efficiency of the practice, the problem of fastening quality of screw bolt and nut can not ensure.
External Large Electric spanner is commonly used in building field, expensive, complete equipment compare it is heavier, it is right
Construction environment and condition have certain requirement, and small-sized electric wrench can not show and adjust torque value, only
Suitable for the fastening requirements bolt or nut more fewer than relatively low, quantity, it can satisfactorily resolve a large amount of, many
Efficient, display moment of torsion fastening problems the small-sized numerical control of sized bolt is rechargeable or plug-in determine moment of torsion electric
Wrench, at home and abroad not yet finds correlative study at present.
The content of the invention
In order to solve the problem of above-mentioned prior art is present, it is electronic that the present invention provides a kind of High-precision light
Spanner, it includes：
Two handrails, so that user is hand steered；
There is provided the power needed for spanner for one spanner motor；
One reducing gear；
One transmission output shaft, spanner motor rotation is simultaneously defeated by the reducing gear and the speed changer
Shaft output torque；
One electronic switch, is electrically connected to the spanner motor to control the on/off of the spanner motor；
One control unit, controls the electronic switch to turn off so that the spanner motor is stalled；
By the rotary speed data of spanner motor as key control point, it applies microcomputer chip norm controlling
Technology, develops moment of torsion control unit, using planetary gear force-increasing mechanism, it is made by titanium alloy material
Into power set use DC micro-motor.
Wherein the handrail includes：Handrail and once handrail on one.
Wherein the material of the handrail is engineering plastics.
Wherein the spanner motor is magnet steel motor.
Wherein the transmission output shaft uses planetary gear speed-changing.
The wherein control unit includes operating current selecting module, the electric current selecting module according to
Predetermined torque value selects a given driving current.
Wherein it also includes a current sensor, and it detects the operating current of the spanner motor and defeated
Go out a current signal and feed back to the control unit.
Wherein the control unit is PLC technology unit or single-chip microcomputer.
Wherein the electronic switch can be single-pole switch or multipole switch.
A kind of preparation method of High-precision light electric wrench, comprises the following steps：
S1, one torque value of setting are simultaneously transmitted to chip controller；
S2, chip controller control circuit supply power supply using an electronic switch electricity of electric wrench
Machine, to drive it to rotate and the output torque by speed change, reducing gear；
S3, detect the electric wrench motor rotating speed, and be compared with predetermined torque value；
S4, when reaching required numerical value, utilize electronic switch to close the power supply of motor；
The present invention, as key control point, improves control resolution by the rotary speed data of spanner motor,
It applies microcomputer chip norm controlling technology, develops moment of torsion control unit；Using planetary gear power increasing machine
Structure, it is as made by titanium alloy material, and power set use DC micro-motor, because stator is
Add magnetic links in casing, therefore electric wrench is possessed small volume, lightweight, efficiency high and power
Big the characteristics of, additionally using high-performance lithium battery and battery pack structure.
Brief description of the drawings
Fig. 1 is moment of torsion control conspectus of the invention；
Fig. 2 is the structural representation of the DC micro-motor of the present invention；
Fig. 3 is the schematic diagram of the planet speed change mechanism of the present invention；
Fig. 4 is the schematic diagram of the planetary gear force-increasing mechanism of the present invention.
Description of reference numerals
The brasses of 1 leather packing 2
The pig iron set of 3 end cap 4
The motor gear of 5 magnetic links 6
The rotor of 7 bearing 8
The casing of 9 motor stator 10 is assembled
The composite tile of 11 transmission output shaft 12
13 output shafts assemble 14 output gear axles
15 output shafts positioning 16 is sold
The housings of 17 ring gear C 18
The planet carrier C pads of 19 spring II 20
21 gears adjust button B 22 spring I
23 gears adjust button A 24 ring gear A
The planet carrier B of 25 pad A 26 sell
The planet carrier B of 27 planet carrier A 28 flower pads
29 ring gear B 30 adjust steel wire
The planet carrier B of 31 planetary gear B 32
The balls 5 of 33 planet carrier C 34
35 output gear axle sleeves.
Embodiment
In order to solve above-mentioned problem of the prior art, the present invention provides a kind of High-precision light electric wrench
And preparation method, it includes：
Two handrails, so that user is hand steered；
There is provided the power needed for spanner for one spanner motor；
One reducing gear；
One transmission output shaft, spanner motor rotation is simultaneously defeated by the reducing gear and the speed changer
Shaft output torque；
One electronic switch, is electrically connected to the spanner motor to control the on/off of the spanner motor；
One control unit, controls the electronic switch to turn off so that the spanner motor is stalled；
By the rotary speed data of spanner motor as key control point, it applies microcomputer chip norm controlling
Technology, develops moment of torsion control unit, using planetary gear force-increasing mechanism, it is made by titanium alloy material
Into power set use DC micro-motor.
Wherein the handrail includes：Handrail and once handrail on one.
Wherein the material of the handrail is engineering plastics.
Wherein the spanner motor is magnet steel motor.
Wherein the transmission output shaft uses planetary gear speed-changing.
The wherein control unit includes operating current selecting module, the electric current selecting module according to
Predetermined torque value selects a given driving current.
Wherein it also includes a current sensor, and it detects the operating current of the spanner motor and defeated
Go out a current signal and feed back to the control unit.
Wherein the control unit is PLC technology unit or single-chip microcomputer.
Wherein the electronic switch can be single-pole switch or multipole switch.
The present invention, as key control point, improves control resolution by the rotary speed data of spanner motor,
It applies microcomputer chip norm controlling technology, develops moment of torsion control unit；Using planetary gear power increasing machine
Structure, it is as made by titanium alloy material, and power set use DC micro-motor, because stator is
Add magnetic links 5 in casing, therefore electric wrench is possessed small volume, lightweight, efficiency high and power
Big the characteristics of, additionally using high-performance lithium battery and battery pack structure.
In order that the object, technical solutions and advantages of the present invention are more cheer and bright, below by
Embodiment is specifically described, and refer to shown in Fig. 1 to Fig. 2, is the moment of torsion control circuit of the present invention
The structural representation of schematic diagram, DC micro-motor.As illustrated, direct current generator includes：Leather packing 1,
Brasses 2, end cap 3, pig iron set 4, magnetic links 5, motor gear 6, bearing 7, rotor 8
And motor stator 9；A leather packing 1 is equipped with the both sides outer rim of direct current generator, with sealed electric-motor
Portion's structure, the rotor driven that act as of end cap 3 is rotated, and the mainly sets of pig iron set 4 are fixed in motor
On the straight thick stick in portion, addition magnetic links 5 help to reduce the volume of motor inside DC micro-motor,
The mutual tooth of multiple motor gears 6 is closed, so that drive motor works, and rotor 8 and motor are fixed
Son 9 is the essential internal structure of motor, and rotor 8 is by the bearing 7 of motor internal
Motion, motor stator is affixed to motor internal.
Schematic diagrames of the Fig. 3 for the planet speed change mechanism of the present invention is refer to, as illustrated, planet becomes
Fast mechanism includes：Casing assembling 10, transmission output shaft 11, composite tile 12 and output shaft assembling
13, the effect of casing assembling 10 is mainly assembling motor stator, and transmission output shaft 11 is used to become
Speed, at the inner hub location of speed changer, and output shaft assembling 13 is mainly used in assembling speed change
Device output shaft 11；Input is made by motor gear, one group of planet carrier is motionless, in addition two groups of planets
Frame difference is in combination, and completion group speed is than output, so as to reach the purpose of speed change.
Schematic diagrames of the Fig. 4 for the planetary gear force-increasing mechanism of the present invention is refer to, as illustrated, it is wrapped
Include：One output gear axle 14, output shaft positioning 15, three ring gears, a housing 18, two bullets
Spring, two gears adjust button, three planet carriers, the output gear axle sleeves 35 of multiple regulation steel wires 30 and one；
The output gear axle 14 is mainly used in running through output gear；The ring gear includes：Ring gear A,
Ring gear B and ring gear C；The housing 18 is mainly used in coating the small structure inside planetary gear；
The spring includes：Spring I and spring II, adjusts for regulation stall and detains；The gear adjusts button to include：
Gear adjusts button A and gear to adjust button B, the amplitude for adjusting planetary gear reinforcement；The planet carrier bag
Include：Planet carrier A, planet carrier B and planet carrier C, the planet carrier A, planet carrier B and planet
Frame C is mainly used in driving the chain on planetary gear to drive wheel shaft to rotate；The output gear axle sleeve 35
For being socketed on output gear axle 14；Central gear is made by gear output gear axle, passes through row
Star-wheel and ring gear complete deceleration force amplifier, the planetary gear force-increasing mechanism as made by titanium alloy material,
Therefore be planetary gear force-increasing mechanism possess small volume, lightweight and efficiency high the characteristics of.
General principle, principal character and produced functional characteristic described above for the present invention, it is all
Those skilled in the art belong to originally in many variations that the spirit for not departing from the present invention is made with modification
In the protection domain of invention, protection scope of the present invention should be defined with claim.
Claims (10)
- Pulled 1. a kind of High-precision light is electronic, it is characterised in that it includes：Two handrails, so that user is hand steered；There is provided the power needed for spanner for one spanner motor；One reducing gear；One transmission output shaft, spanner motor rotation is simultaneously defeated by the reducing gear and the speed changer Shaft output torque；One electronic switch, is electrically connected to the spanner motor to control the on/off of the spanner motor；One control unit, controls the electronic switch to turn off so that the spanner motor is stalled；By the rotary speed data of spanner motor as key control point, it applies microcomputer chip norm controlling Technology, develops moment of torsion control unit, using planetary gear force-increasing mechanism, it is made by titanium alloy material Into power set use DC micro-motor.
- 2. High-precision light electric wrench as claimed in claim 1, it is characterised in that this is helped Hand includes：Handrail and once handrail on one.
- 3. High-precision light electric wrench as claimed in claim 1, it is characterised in that this is helped The material of hand is engineering plastics.
- 4. High-precision light electric wrench as claimed in claim 1, it is characterised in that this is pulled Torch machine is magnet steel motor.
- 5. High-precision light electric wrench as claimed in claim 1, it is characterised in that the change Fast device output shaft uses planetary gear speed-changing.
- 6. High-precision light electric wrench as claimed in claim 1, it is characterised in that the control Unit processed includes an operating current selecting module, and the electric current selecting module is selected according to predetermined torque value Select a given driving current.
- 7. High-precision light electric wrench as claimed in claim 1, it is characterised in that it is also Including a current sensor, it detects the operating current of the spanner motor and exports an electric current letter Number feed back to the control unit.
- 8. high precision electro wrench as claimed in claim 1, it is characterised in that the control unit For PLC technology unit or single-chip microcomputer.
- 9. High-precision light electric wrench as claimed in claim 1, it is characterised in that the electricity Sub switch can be single-pole switch or multipole switch.
- 10. a kind of High-precision light is electronic to pull preparation method, it is characterised in that including following step Suddenly：S1, one torque value of setting are simultaneously transmitted to chip controller；S2, chip controller control circuit supply power supply using an electronic switch in the motor of electric wrench, To drive it to rotate and the output torque by speed change, reducing gear；S3, detect the electric wrench motor rotating speed, and be compared with predetermined torque value；S4, when reaching required numerical value, utilize electronic switch to close the power supply of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228709.6A CN107283349A (en) | 2016-04-12 | 2016-04-12 | Small-sized electric wrench and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610228709.6A CN107283349A (en) | 2016-04-12 | 2016-04-12 | Small-sized electric wrench and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107283349A true CN107283349A (en) | 2017-10-24 |
Family
ID=60095939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610228709.6A Pending CN107283349A (en) | 2016-04-12 | 2016-04-12 | Small-sized electric wrench and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107283349A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105614A (en) * | 1993-09-30 | 1995-07-26 | 布莱克和德克尔公司 | Improvements in and relating to power tools |
| EP1120200A2 (en) * | 2000-01-28 | 2001-08-01 | Nitto Kohki Co., Ltd. | Torque control type impact wrench |
| CN1497834A (en) * | 2002-10-15 | 2004-05-19 | 雅马哈发动机株式会社 | Electric bicycle and control pattern selecting method of electric vehicle |
| US20050263304A1 (en) * | 2004-05-12 | 2005-12-01 | Matsushita Electric Works, Ltd. | Rotary impact tool |
| CN103056818A (en) * | 2013-01-08 | 2013-04-24 | 方锡忠 | Numerical-control electric definite-torque wrench and torque control method thereof |
-
2016
- 2016-04-12 CN CN201610228709.6A patent/CN107283349A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105614A (en) * | 1993-09-30 | 1995-07-26 | 布莱克和德克尔公司 | Improvements in and relating to power tools |
| EP1120200A2 (en) * | 2000-01-28 | 2001-08-01 | Nitto Kohki Co., Ltd. | Torque control type impact wrench |
| CN1497834A (en) * | 2002-10-15 | 2004-05-19 | 雅马哈发动机株式会社 | Electric bicycle and control pattern selecting method of electric vehicle |
| US20050263304A1 (en) * | 2004-05-12 | 2005-12-01 | Matsushita Electric Works, Ltd. | Rotary impact tool |
| CN103056818A (en) * | 2013-01-08 | 2013-04-24 | 方锡忠 | Numerical-control electric definite-torque wrench and torque control method thereof |
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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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yuan Guanghong Inventor after: Zhang Jialei Inventor after: Ding Baomin Inventor after: Fang Xizhong Inventor after: Lv Nian Inventor after: Xu Yu Inventor after: Xu Rifa Inventor before: Yuan Guanghong Inventor before: Zhang Jialei Inventor before: Ding Baomin Inventor before: Fang Xizhong Inventor before: Xu Yu Inventor before: Xu Rifa |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180109 Address after: Huaiyin District of Ji'nan City, Shandong Province, 250118 us 1000 miles Applicant after: Shandong Electric Power Transmission & Substation Engineering Company Applicant after: HUANGSHAN SITEER MACHINERY MANUFACTURING CO., LTD. Address before: 245900 No. 5 West Wenfeng Road, Huizhou District, Anhui, Huangshan City Applicant before: HUANGSHAN SITEER MACHINERY MANUFACTURING CO., LTD. Applicant before: Shandong Electric Power Transmission & Substation Engineering Company |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |