CN107009310A - High low speed automatic switching control equipment and electric torsional spanner for electric torsional spanner - Google Patents
High low speed automatic switching control equipment and electric torsional spanner for electric torsional spanner Download PDFInfo
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- CN107009310A CN107009310A CN201610057970.4A CN201610057970A CN107009310A CN 107009310 A CN107009310 A CN 107009310A CN 201610057970 A CN201610057970 A CN 201610057970A CN 107009310 A CN107009310 A CN 107009310A
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- steel ball
- low speed
- high low
- control equipment
- switching control
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- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- 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
- B25B13/00—Spanners; Wrenches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of high low speed automatic switching control equipment and electric torsional spanner for electric torsional spanner, the output sleeve of the electric torsional spanner is connected by using the output main shaft of high low speed automatic switching control equipment and motor, the planetary gear of first order planetary gears is connected by inputting planet carrier with the cylinder right-hand member of high low speed automatic switching control equipment, the output main shaft of motor is engaged by gear with the planetary gear of first order planetary gears and the central actuating shaft right-hand member with high low speed automatic switching control equipment is connected simultaneously, the planetary gear of second level planetary gears passes through output planetary frame and output sleeve connection, the sun gear output shaft left end external gear of high low speed automatic switching control equipment is connected with the planetary gear engagement of the second level planetary gears.Compared with prior art, the high low speed torque of present invention automatic switchover, enables electric torsional spanner to play maximum efficiency in the different phase that bolt is tightened, and improves the efficiency that bolt tightens work, has saved energy consumption.
Description
Technical field
The invention belongs to electric wrench technical field, and in particular to a kind of high low speed automatic switching control equipment and electric torsional spanner for electric torsional spanner.
Background technology
The primary structure of Electric torque wrench currently on the market is all to provide power by motor, reaches that the torsion of increase motor carrys out fastening bolt by one group of The gear deceleration.The overall ratio of general this group of The gear deceleration is all speed ratio that is fixed or changing fast whole deceleration part by manual switching（This switching will could be carried out after motor is stopped）, such spanner is being worked with a constant speed in a working cycles, and the fast ratio of whole spanner is designed by maximum working torque, and the operating rate of such spanner is relatively low.And the operating mode of tightening of general bolt is all that the one section of process of nut or bolt head before the face of being fastened all is the idle stroke without moment of torsion, moment of torsion can just be rise rapidly to reach required tightening torque after nut or bolt head are fastened face.If it is all that, with a constant speed operation, bolt will certainly be caused to tighten the low of efficiency, the waste of the energy is will also result in that the idle stroke since being tightened bolt tightens end to last bolt.
The content of the invention
Present invention aims at provide a kind of high low speed automatic switching control equipment and electric torsional spanner for electric torsional spanner, to solve technical problem present in prior art, offer is a kind of with the increase of moment of torsion, to realize the switching device and electric torsional spanner of high low speed automatic switchover.
To achieve the above object, the embodiments of the invention provide a kind of high low speed automatic switching control equipment for electric torsional spanner, for the connection of the reducing gear and output sleeve that automatically switch in electric torsional spanner, the high low speed automatic switching control equipment includes cylinder, sun gear output shaft, switching mechanism, the cylinder has the circular cavity of one end open, it is axially arranged with least three arc necks along it on the circular cavity inwall, the arc neck is circumferentially uniformly distributed along the circular cavity inwall, its bottom centre offers through hole, the sun gear output shaft, switching mechanism is arranged in the cylinder；
The switching mechanism includes central actuating shaft, holds out against spring, annular drive block, steel ball briquetting, the central actuating shaft is multi-diameter shaft, its right-hand member is connected with motor output shaft, the annular drive block is set on the central actuating shaft and is connected with it, it is axially arranged with the deep-slotted chip breaker of three openings outwardly along it on the annular drive block periphery, three deep-slotted chip breakers are uniformly distributed circumferentially；
The steel ball briquetting is integrally embedded in the cavity of the cylinder, the center portion thereof offers through hole, the steel ball briquetting left side has circumferentially and intilted inclined-plane, the steel ball briquetting right-hand member holds out against the cavity bottom that spring props up the cylinder by described, and the through hole of the central actuating shaft right-hand member through the steel ball briquetting is connected with motor output shaft；
The sun gear output shaft is multi-diameter shaft, its left end shaft surface is provided with external gear, its right-hand member end face is provided with annular slope boss, its inclined-plane can fit with the steel ball briquetting left end slopes which match, the annular slope boss offers three V-type open slots for extending to the sun gear output shaft right side vertically, three V-type open slots are uniformly distributed along its circumference, and it runs through the annular slope boss, the sun gear output shaft will be embedded within the opening of the cylinder cavity by annular cover plate, the annular cover plate is covered at the cylinder cavities open, the sun gear output shaft left end is extended on the outside of the cylinder left end from the annular cover plate endoporus, and its surface is provided with external gear；The first drive steel ball is equipped with the cavity formed between three the V-type open slots, deep-slotted chip breaker, arc neck and the steel ball briquetting left end inclined-planes, first drive steel ball can be moved between the V-type open slot, deep-slotted chip breaker, arc neck, make the first drive steel ball with the V-type open slot, deep-slotted chip breaker, steel ball briquetting left end inclined-plane while contacting or with the V-type open slot, arc neck, steel ball briquetting left end inclined-plane while contacting.
In the above-mentioned technical solutions,Due to being provided with annular slope boss in sun gear output shaft right-hand member,The annular slope boss is provided with the equally distributed V-type open slot of three circumferences,Central actuating shaft right-hand member is connected with driving motor output shaft,The other end passes through annular drive block,Drive steel ball,Hold out against spring,Steel ball briquetting is connected with sun gear output shaft right-hand member,Sun gear output shaft,Annular drive block,Drive steel ball,Hold out against spring,Steel ball briquetting is arranged in cylinder lumen together,Cylinder lumen wall in the V-type open slot position corresponding section circumference of annular slope boss with being uniformly provided with least three arc necks,Annular drive block is connected with central actuating shaft,Its circumference is uniformly provided with three arc grooves,Steel ball briquetting left end is circumferentially and intilted inclined-plane,Under original state,Drive steel ball and the V-type open slot,Deep-slotted chip breaker,Steel ball briquetting left end inclined-plane is contacted simultaneously,So that motor drive central actuating shaft rotate,Central actuating shaft passes through annular drive block,Drive steel ball,Annular slope boss,Steel ball briquetting is mutually clamped drive sun gear output shaft and rotated,Sun gear output shaft passes through second level planetary gears and output sleeve connection,When the moment of torsion increase of sun gear output shaft,Drive steel ball produces the power to external diffusion due to the extruding of annular drive block and the annular slope boss of sun gear output shaft,This produces one by the outer inclined-plane of the steel ball briquetting contacted with drive steel ball to the power of external diffusion and is enough to offset the power for holding out against spring simultaneously,Make steel ball briquetting away from sun gear output shaft,Drive steel ball is stuck in the V-type open slot of arc neck and annular slope boss,Depart from annular drive block,The output master of motor is connected by gear with first order planetary gears simultaneously,First order planetary gears is connected with cylinder right-hand member,So as to drive barrel body rotation,Cylinder drives sun gear output shaft to rotate,So that output sleeve slows down by two-stage planet transmission mechanism simultaneously,Greatly reduce rotating speed,Improve moment of torsion,Realize high low speed automatic switchover work.
Further, the switching mechanism also includes an anti-jamming mechanism, and the annular drive block is connected by the anti-jamming mechanism and the central actuating shaft, and the central actuating shaft left side is provided with counterbore, and the counterbore inwall is provided with internal thread；The anti-jamming mechanism includes power spring, jacking block, it will be penetrated successively from the central actuating shaft left end by trip bolt and be set in the power spring on the central actuating shaft, jacking block, annular drive block is fixed on one composition drive assembly, the drive assembly is embedded in the through hole of the steel ball briquetting, the steel ball briquetting left side props up the jacking block right-hand member, the power spring right-hand member props up the central actuating shaft right-hand member shaft shoulder, the power spring left end props up the annular drive block right side by the jacking block, the annular drive block right side is circumferentially uniformly provided with three shrinkage pools, the jacking block left side is provided with the circular hole corresponding with shrinkage pool position shape size, it is connected between the shrinkage pool and the circular hole by the second drive steel ball, the jacking block is connected by spline with the central actuating shaft, the jacking block is set to be moved along central actuating shaft axial direction.In the above-mentioned technical solutions, by being provided with three shrinkage pools on annular drive block, jacking block is provided with circular hole corresponding with three shrinkage pool positions, it is connected between the shrinkage pool and the circular hole by the second drive steel ball, jacking block is set on central actuating shaft, therebetween provided with power spring, can be relative to jacking block one angle of active when annular drive block is running into big resistance, drive steel ball is smoothly caught in arc neck, realize anti-jamming purpose.
Further, the arc neck is 12, and it is circumferentially uniformly distributed along the circular cavity inwall.12 uniformly are set, steel ball can be made smoothly to be moved to out of deep-slotted chip breaker in arc neck, switching efficiency is improved, the stuck situation of steel ball is reduced.
Further, it is provided between the annular drive block left end and the trip bolt between plane bearing, the cavity bottom for holding out against spring and the cylinder and is provided with plane bearing, plane bearing is provided between the annular cover plate and the sun gear output shaft.By setting plane bearing, the frictional force between all parts is reduced, abrasion is reduced, extends service life.
Further, the reducing gear includes first order planetary gears, second level planetary gears, the input planet carrier of the first order planetary gears is connected with the cylinder right-hand member, and the output planetary frame of the second level planetary gears is connected by planetary gear with sun gear output shaft left end external gear engagement.
Present invention also offers the electric torsional spanner that a kind of high low speed automatically switches, the electric torsional spanner includes casing, motor, export sleeve, the output sleeve is connected by using the high low speed automatic switching control equipment and the output main shaft of motor described in any one in above-mentioned, the chassis cavity inwall has twice internal gear, the planetary gear of the first order planetary gears is connected by inputting planet carrier with the cylinder right-hand member of the high low speed automatic switching control equipment, the output main shaft of the motor is engaged by gear with the planetary gear of the first order planetary gears and the central actuating shaft right-hand member with the high low speed automatic switching control equipment is connected simultaneously, the planetary gear of the second level planetary gears with the chassis cavity wherein together with internal gear engage, the planetary gear of the second level planetary gears passes through output planetary frame and the output sleeve connection, the sun gear output shaft left end external gear of the high low speed automatic switching control equipment is connected with the planetary gear engagement of the second level planetary gears.
Compared with prior art, the high low speed torque of present invention automatic switchover, enables electric torsional spanner to play maximum efficiency in the different phase that bolt is tightened, and improves the efficiency that bolt tightens work, has saved energy consumption.
Brief description of the drawings
Fig. 1 is a kind of structural profile schematic diagram of high low speed automatic switching control equipment for electric torsional spanner provided in an embodiment of the present invention；
Fig. 2 is a kind of switching mechanism structural representation provided in an embodiment of the present invention；
Fig. 3 omits schematic diagram for a kind of switching mechanism structure partial provided in an embodiment of the present invention；
Fig. 4 omits schematic diagram for a kind of switching mechanism structure partial provided in an embodiment of the present invention；
Fig. 5 is drive assembly structural representation in a kind of switching mechanism provided in an embodiment of the present invention；
Fig. 6 is central actuating shaft of the embodiment of the present invention and sun gear output shaft drive state schematic diagram；
Fig. 7 is that middle cylinder body of the embodiment of the present invention is connected drive state schematic diagram with sun gear output shaft；
Fig. 8 is the structural representation of middle cylinder body of the embodiment of the present invention；
Fig. 9 is the structural representation of annular drive block in the embodiment of the present invention；
Figure 10 is the structural representation of jacking block in the embodiment of the present invention；
Figure 11 is the structural representation of sun gear output shaft in the embodiment of the present invention；
In figure, 1- motors export main shaft, 11- inputs planet carrier, 12- first order planetary gears, 2- casings, 21- internal gears, 3- exports sleeve, 31- output planetary framves, 32- second level planetary gears, 4- sun gear output shafts, 40- annular cover plates, 41- annular slope projections, 411-V type open slots, 42- sun gear output shaft gears, 5- cylinders, 50- arc necks, 51- snap rings, 6- steel ball briquettings, 61- holds out against spring, 7- central actuating shafts, 70- clamping screws, 71- jacking blocks, 711- circular holes, 712- splines, the drive steel balls of 72- second, 73- driving springs, 8- annular drive blocks, 80- shrinkage pools, 81- deep-slotted chip breakers, the drive steel balls of 9- first.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and referring to the drawings, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the present invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.
Embodiment
As shown in Figure 1 to 11, the embodiments of the invention provide a kind of high low speed automatic switching control equipment for electric torsional spanner, for the connection of the reducing gear and output sleeve that automatically switch in electric torsional spanner, the high low speed automatic switching control equipment includes cylinder 5, sun gear output shaft 4, switching mechanism, the cylinder 5 has the circular cavity of one end open, it is axially arranged with least three arc necks 50 along it on the circular cavity inwall, in the present embodiment, the arc neck 50 is preferably 12, and be circumferentially uniformly distributed along the circular cavity inwall, its bottom centre offers through hole, the sun gear output shaft 4, switching mechanism is arranged in the cylinder；
The switching mechanism includes steel ball briquetting 6, holds out against spring 61, central actuating shaft 7, annular drive block 8, the central actuating shaft 7 is multi-diameter shaft, its right-hand member is connected with motor output shaft 1, its left side is provided with counterbore, the counterbore inwall is provided with internal thread, the annular drive block 8 is set on the central actuating shaft 7 and is connected with it, and the deep-slotted chip breaker 81 of three openings outwardly is axially arranged with along it on the periphery of the annular drive block 8, and three deep-slotted chip breakers 81 are uniformly distributed circumferentially；
The steel ball briquetting 6 is overall to be embedded in the cavity of the cylinder 5, the center portion thereof offers through hole, the left side of the steel ball briquetting 6 has circumferentially and intilted inclined-plane, the right-hand member of steel ball briquetting 6 holds out against the cavity bottom that spring 61 props up the cylinder 5 by described, plane bearing is provided between the cavity bottom for holding out against spring 61 and the cylinder 5, them are made to be connected with much smoother rotation, the through hole of right-hand member through the steel ball briquetting 6 of the central actuating shaft 7 with motor output shaft 1 by spline connected mode；
The sun gear output shaft 4 is multi-diameter shaft, its left end shaft surface is provided with external gear 42, its right-hand member end face is provided with annular slope boss 41, its inclined-plane can fit with the left end slopes which match of the steel ball briquetting 6, the annular slope boss 41 offers three V-type open slots 411 for extending to the right side of sun gear output shaft 4 vertically, three V-type open slots 411 are uniformly distributed along annular slope boss 41 is circumferential, and it runs through the annular slope boss 41；Annular drive block 8 is embedded in the endoporus of annular slope boss 41, the sun gear output shaft 4 will be embedded within the opening of the cavity of cylinder 5 by annular cover plate 40, the annular cover plate 40 is located at by the snap-on caps of snap ring 51 at the cavities open of the cylinder 5, the endoporus of the left end of sun gear output shaft 4 from the annular cover plate 40 is extended on the outside of the left end of the cylinder 5, plane bearing is provided between the annular cover plate 40 and the sun gear output shaft 4, makes them can be with much smoother rotation；The first drive steel ball 9 is equipped with the cavity formed between three the V-type open slots 411, deep-slotted chip breaker 81, arc neck 50 and the left end inclined-planes of the steel ball briquetting 6, first drive steel ball 9 can be moved between the V-type open slot 411, deep-slotted chip breaker 81, arc neck 50, make the first drive steel ball 9 and the V-type open slot 411, deep-slotted chip breaker 81, steel ball briquetting 6 left end inclined-plane and meanwhile contact or with the V-type open slot 411, arc neck 50, steel ball briquetting 6 left end inclined-plane while contacting.
The reducing gear includes first order planetary gears 12, second level planetary gears 32, the input planet carrier 11 of the first order planetary gears 12 is connected with the right-hand member of cylinder 5, and the output planetary frame 31 of the second level planetary gears 32 is connected by planetary gear with the left end external gear 42 of sun gear output shaft 4 engagement
Stuck during in order to prevent the first drive steel ball from being moved between V-type open slot 411, deep-slotted chip breaker 81, arc neck 50, the switching mechanism is additionally provided with anti-jamming mechanism, and the annular drive block 8 is connected by the anti-jamming mechanism with the central actuating shaft 7；The anti-jamming mechanism includes power spring 73, jacking block 71, it will be penetrated successively from the left end of central actuating shaft 7 by trip bolt 70 and be set in the power spring 73 on central actuating shaft 7, jacking block 71, annular drive block 8 is fixed on one composition drive assembly, the drive assembly is embedded in the through hole of the steel ball briquetting 6, plane bearing is provided between the left end of annular drive block 8 and the trip bolt 70, make them can be with much smoother rotation, the left side of steel ball briquetting 6 props up the right-hand member of the jacking block 71, the right-hand member of power spring 73 is propped up on the shaft shoulder of the right-hand member of central actuating shaft 7, the left end of power spring 73 props up the right side of the annular drive block 8 by the jacking block 71, the right side of the annular drive block 8 is circumferentially uniformly provided with three shrinkage pools 80, the left side of jacking block 71 is provided with the circular hole 711 corresponding with the position shape size of shrinkage pool 80, it is connected between the shrinkage pool 80 and the circular hole 711 by the second drive steel ball 72, the jacking block 71 is connected by spline 712 with the spline drived on the central actuating shaft 7, the jacking block 71 is set to be moved along the axial direction of central actuating shaft 7.
Present invention also offers the electric torsional spanner that a kind of high low speed automatically switches, the electric torsional spanner includes casing 2, motor, export sleeve 3, the output sleeve 3 is connected by using the output main shaft 1 of high low speed automatic switching control equipment and motor described above, the cavity inner wall of casing 2 has twice internal gear 21, the planetary gear of the first order planetary gears 12 is connected by inputting planet carrier 11 with the right-hand member of cylinder 5 of the high low speed automatic switching control equipment, the output main shaft 1 of the motor is engaged by gear with the planetary gear of the first order planetary gears 12 and the right-hand member with the central actuating shaft 7 of the high low speed automatic switching control equipment is connected by spline connected mode simultaneously, the planetary gear of the second level planetary gears 32 with the cavity of casing 2 wherein together with internal gear 21 engage, the planetary gear of the second level planetary gears 32 is connected by output planetary frame 31 with the output sleeve 3, the external gear 42 of the sun gear output shaft 4 of the high low speed automatic switching control equipment is connected with the planetary gear engagement of the second level planetary gears 32.
The operation principle of the invention is as follows：Under original state, drive steel ball 9 and V-type open slot 411, deep-slotted chip breaker 81, the left end inclined-plane of steel ball briquetting 6 is contacted simultaneously, so that motor drive central actuating shaft 7 rotate, central actuating shaft 7 passes through annular drive block 8, drive steel ball 9, annular slope boss 41, steel ball briquetting 6 is mutually clamped drive sun gear output shaft 4 and rotated, sun gear output shaft 4 is connected by second level planetary gears 32 with output sleeve 3, so can be to export sleeve 3 to drive the bolt of pine to tighten with high speed rotating speed, when bolt is nearly tightened, the moment of torsion of sun gear output shaft 4 gradually increases, first drive steel ball 9 produces the power to external diffusion due to the extruding of annular drive block 8 and the annular slope boss 41 of sun gear output shaft 4, this produces one by the outer inclined-plane of the steel ball briquetting 6 contacted with the first drive steel ball 9 to the power of external diffusion and is enough to offset the thrust for holding out against spring 61 simultaneously, make steel ball briquetting 6 away from sun gear output shaft 4, first drive steel ball 9 is stuck in the V-type open slot 411 of arc neck 50 and annular slope boss 41, depart from annular drive block 8, the output main shaft 1 of motor is connected by gear with first order planetary gears 12 simultaneously, first order planetary gears 12 is connected with the right-hand member of cylinder 5, so as to drive cylinder 5 to rotate, cylinder 5 drives sun gear output shaft 4 to rotate, so that output sleeve 3 is simultaneously by first order planetary gears 12, this two-stage planet transmission mechanism of second level planetary gears 32 slows down, greatly reduce rotating speed, improve moment of torsion, realize high low speed automatic switchover work.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the principle of the present invention, without being construed as limiting the invention.Therefore, any modification, equivalent substitution and improvements done without departing from the spirit and scope of the present invention etc., should be included in the scope of the protection.In addition, the whole that appended claims of the present invention are intended to fall into scope and border or this scope and the equivalents on border changes and modifications example.
Claims (6)
1. a kind of high low speed automatic switching control equipment for electric torsional spanner, for the connection of the reducing gear and output sleeve that automatically switch in electric torsional spanner, it is characterized in that, the high low speed automatic switching control equipment includes cylinder, sun gear output shaft, switching mechanism, the cylinder has the circular cavity of one end open, it is axially arranged with least three arc necks along it on the circular cavity inwall, the arc neck is circumferentially uniformly distributed along the circular cavity inwall, its bottom centre offers through hole, and the sun gear output shaft, switching mechanism are arranged in the cylinder；
The switching mechanism includes central actuating shaft, holds out against spring, annular drive block, steel ball briquetting, the central actuating shaft is multi-diameter shaft, its right-hand member is connected with motor output shaft, the annular drive block is set on the central actuating shaft and is connected with it, it is axially arranged with the deep-slotted chip breaker of three openings outwardly along it on the annular drive block periphery, three deep-slotted chip breakers are uniformly distributed circumferentially；
The steel ball briquetting is integrally embedded in the cavity of the cylinder, the center portion thereof offers through hole, the steel ball briquetting left side has circumferentially and intilted inclined-plane, the steel ball briquetting right-hand member holds out against the cavity bottom that spring props up the cylinder by described, and the through hole of the central actuating shaft right-hand member through the steel ball briquetting is connected with motor output shaft；
The sun gear output shaft is multi-diameter shaft, its left end shaft surface is provided with external gear, its right-hand member end face is provided with annular slope boss, its inclined-plane can fit with the steel ball briquetting left end slopes which match, the annular slope boss offers three V-type open slots for extending to the sun gear output shaft right side vertically, three V-type open slots are uniformly distributed along its circumference, and it runs through the annular slope boss, the sun gear output shaft will be embedded within the opening of the cylinder cavity by annular cover plate, the annular cover plate is covered at the cylinder cavities open, the sun gear output shaft left end is extended on the outside of the cylinder left end from the annular cover plate endoporus, and its surface is provided with external gear；The first drive steel ball is equipped with the cavity formed between three the V-type open slots, deep-slotted chip breaker, arc neck and the steel ball briquetting left end inclined-planes, first drive steel ball can be moved between the V-type open slot, deep-slotted chip breaker, arc neck, make the first drive steel ball with the V-type open slot, deep-slotted chip breaker, steel ball briquetting left end inclined-plane while contacting or with the V-type open slot, arc neck, steel ball briquetting left end inclined-plane while contacting.
2. a kind of high low speed automatic switching control equipment for electric torsional spanner according to claim 1, it is characterized in that, the switching mechanism also includes an anti-jamming mechanism, the annular drive block is connected by the anti-jamming mechanism and the central actuating shaft, the central actuating shaft left side is provided with counterbore, and the counterbore inwall is provided with internal thread；The anti-jamming mechanism includes power spring, jacking block, it will be penetrated successively from the central actuating shaft left end by trip bolt and be set in the power spring on the central actuating shaft, jacking block, annular drive block is fixed on one composition drive assembly, the drive assembly is embedded in the through hole of the steel ball briquetting, the steel ball briquetting left side props up the jacking block right-hand member, the power spring right-hand member props up the central actuating shaft right-hand member shaft shoulder, the power spring left end props up the annular drive block right side by the jacking block, the annular drive block right side is circumferentially uniformly provided with three shrinkage pools, the jacking block left side is provided with the circular hole corresponding with shrinkage pool position shape size, it is connected between the shrinkage pool and the circular hole by the second drive steel ball, the jacking block is connected by spline with the central actuating shaft, the jacking block is set to be moved along central actuating shaft axial direction.
3. a kind of high low speed automatic switching control equipment for electric torsional spanner according to claim 2, it is characterised in that the arc neck is 12, and it is circumferentially uniformly distributed along the circular cavity inwall.
4. a kind of high low speed automatic switching control equipment for electric torsional spanner according to claim 3, it is characterized in that, plane bearing is provided between the annular drive block left end and the trip bolt, plane bearing is provided between the cavity bottom for holding out against spring and the cylinder, plane bearing is provided between the annular cover plate and the sun gear output shaft.
5. a kind of high low speed automatic switching control equipment for electric torsional spanner according to any one of Claims 1-4, it is characterized in that, the reducing gear includes first order planetary gears, second level planetary gears, the input planet carrier of the first order planetary gears is connected with the cylinder right-hand member, and the output planetary frame of the second level planetary gears is connected by planetary gear with sun gear output shaft left end external gear engagement.
6. the electric torsional spanner that a kind of high low speed automatically switches, it is characterized in that, including casing, motor, export sleeve, the output sleeve is connected by using the output main shaft of high low speed automatic switching control equipment and motor as claimed in claim 5, the chassis cavity inwall has twice internal gear, the planetary gear of the first order planetary gears is connected by inputting planet carrier with the cylinder right-hand member of the high low speed automatic switching control equipment, the output main shaft of the motor is engaged by gear with the planetary gear of the first order planetary gears and the central actuating shaft right-hand member with the high low speed automatic switching control equipment is connected simultaneously, the planetary gear of the second level planetary gears with the chassis cavity wherein together with internal gear engage, the planetary gear of the second level planetary gears passes through output planetary frame and the output sleeve connection, the sun gear output shaft left end external gear of the high low speed automatic switching control equipment is connected with the planetary gear engagement of the second level planetary gears.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610057970.4A CN107009310B (en) | 2016-01-28 | 2016-01-28 | High-low speed automatic switching device for electric torque wrench and electric torque wrench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610057970.4A CN107009310B (en) | 2016-01-28 | 2016-01-28 | High-low speed automatic switching device for electric torque wrench and electric torque wrench |
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| Publication Number | Publication Date |
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| CN107009310A true CN107009310A (en) | 2017-08-04 |
| CN107009310B CN107009310B (en) | 2020-04-17 |
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| CN201610057970.4A Active CN107009310B (en) | 2016-01-28 | 2016-01-28 | High-low speed automatic switching device for electric torque wrench and electric torque wrench |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107904739A (en) * | 2017-12-21 | 2018-04-13 | 江苏华灵纺机有限公司 | Yarn waxing device |
| CN108081215A (en) * | 2018-01-10 | 2018-05-29 | 广州华立科技职业学院 | Hand bores saw and turns round all-in-one machine |
| CN108724077A (en) * | 2018-08-21 | 2018-11-02 | 陕西蓝智机器人有限公司 | A kind of manipulator and working method of automatically replaceable spanner |
| CN110937125A (en) * | 2019-11-28 | 2020-03-31 | 成都智巡科技有限责任公司 | Cloud platform rapid disassembly structure |
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| JP2000024944A (en) * | 1998-07-14 | 2000-01-25 | Matsushita Electric Works Ltd | Rotating tool attached with transmission |
| CN1270875C (en) * | 2001-11-12 | 2006-08-23 | 日本电产芝浦株式会社 | Electronic driven tool |
| CN102448673A (en) * | 2009-04-13 | 2012-05-09 | 株式会社牧田 | Electric tool |
| CN102335904A (en) * | 2010-07-20 | 2012-02-01 | 苏州宝时得电动工具有限公司 | Power tool |
| CN202702200U (en) * | 2011-08-06 | 2013-01-30 | 苏州宝时得电动工具有限公司 | Power tool |
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| CN107904739A (en) * | 2017-12-21 | 2018-04-13 | 江苏华灵纺机有限公司 | Yarn waxing device |
| CN108081215A (en) * | 2018-01-10 | 2018-05-29 | 广州华立科技职业学院 | Hand bores saw and turns round all-in-one machine |
| CN108081215B (en) * | 2018-01-10 | 2024-02-02 | 广州华立科技职业学院 | Manual drilling, sawing and twisting integrated machine |
| CN108724077A (en) * | 2018-08-21 | 2018-11-02 | 陕西蓝智机器人有限公司 | A kind of manipulator and working method of automatically replaceable spanner |
| CN110937125A (en) * | 2019-11-28 | 2020-03-31 | 成都智巡科技有限责任公司 | Cloud platform rapid disassembly structure |
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