CN104552115A - DC (Direct Current) electric fixed-torque wrench - Google Patents
DC (Direct Current) electric fixed-torque wrench Download PDFInfo
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- CN104552115A CN104552115A CN201310469000.1A CN201310469000A CN104552115A CN 104552115 A CN104552115 A CN 104552115A CN 201310469000 A CN201310469000 A CN 201310469000A CN 104552115 A CN104552115 A CN 104552115A
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- gear
- speed change
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- planetary
- wrench
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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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- 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
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a DC (Direct Current) electric fixed-torque wrench which comprises an enclosure, a battery pack, a DC motor, a variable speed gear, a reduction gear, a wrench main body, a handle, an integrated control system and an operation panel, wherein the DC motor is arranged in the enclosure; the variable speed gear is driven by the DC motor and is arranged in the enclosure; the reduction gear is driven by the variable speed gear and is arranged in the enclosure; the wrench main body is connected with the reduction gear; a rotating device is arranged between the variable speed gear and the reduction gear; the handle is arranged at the rear end of the enclosure; the integrated control system is arranged in the handle; the operation panel is arranged on the handle and is connected with the integrated control system; and the handle is provided with a switch. By the mode, the DC electric fixed-torque wrench can apply a digital intelligent technology to realize a bolt screwing manner which accurately reaches a preset torque value so as to realize a large toque which cannot be reached manually and is required by a large-specification bolt; and the DC electric fixed-torque wrench is convenient and practical, so that construction cost is reduced and installation quality is improved.
Description
Technical field
The present invention relates to assembly tool field, particularly relate to one and determine torque DC electric torque wrench.
Background technology
Along with the development of China's industry, assembly tool field is just towards lighting, automation direction development.Spanner, as the instrument tightening or unscrew bolt, is a kind of requisite assembly tool in the every profession and trades such as the vehicles, engineering machinery, power equipment maintaining.Spanner of the prior art is mainly divided into three kinds: a kind of spanner shown without torque data for manpower, the spanner that another kind has torque data to show for manpower, and another is the pneumatic spanner without moment of torsion display.Due to the quantitative limitation of people self power, it is in the work of 1-200Nm that manual power wrench can only be applied in torque value requirement, and pneumatic impact spanner also only can be applicable to the work that torque value requirement is 1-500Nm.When installation need comparatively high pulling torque time, manual power wrench and pneumatic impact spanner can not meet installs requirement to high pulling torque.In addition, manual power wrench of the prior art and pneumatic impact spanner all can not arrange moment of torsion.But, often require in installation process that the pretightning force of multiple bolt is equal, to ensure trade union college stress equalization.Because manual power wrench of the prior art and pneumatic impact spanner can not arrange torque value, thus its can not ensure multiple bolt to screw power identical.Therefore, how to provide a kind of high pulling torque spanner, corresponding torque value can be set according to installation requirement, become those skilled in the art's important technological problems to be solved.
Meanwhile, along with national basis build constantly perfect, along with the continuous construction of Large Copacity voltage levels transmission line of electricity, bearing capacity is large, the steel tube tower of good combination property obtains unprecedented application on work transmission line.In order to the performance making steel tube tower good finds full expression, thus ensure that circuit is safer, the uniform stressed of steel pipe main material flange bolt just seems particularly important.And the method for traditional artificial spanner fastening bolt cannot meet the demands certainly, therefore the developing to become and be badly in need of the problem researched and solved of Electric torque wrench of mechanical intelligence.
Summary of the invention
For above-mentioned deficiency of the prior art, main purpose of the present invention is to provide one and determines torque DC electric torque wrench, digital intelligent technology can be used to realize accurately reaching the stubborn bolt mode of predetermined torque value, to realize artificial the high pulling torque be beyond one's reach needed for large gauge bolt, convenient and practical, thus reduction construction cost, improve installation quality.
For achieving the above object, the technical solution used in the present invention is: one determines torque DC electric torque wrench, comprise: casing, power brick, the direct current generator be arranged in casing, by direct current generator drive and be arranged at speed change gear in casing, by speed change gear drive and the deceleration device be arranged in casing and the wrench body be connected with deceleration device, be provided with slewing equipment between described speed change gear and described deceleration device; Described determine torque DC electric torque wrench also comprise be arranged at casing rear end handle, be arranged at the integrated control system in handle and be arranged on handle and the guidance panel be connected with integrated control system; Described handle is provided with switch; Be provided with torque sensor in described speed change gear, described direct current generator is provided with current sensor and speed probe, and described torque sensor and described current sensor and speed probe form closed loop detect system; Described integrated control system connects described torque sensor, current sensor and speed probe.
Preferably, described slewing equipment comprises movable bottom, ring is located at the movable end cover of movable bottom periphery, movable gland and bearing; Described speed change gear comprises gearbox, and described gearbox comprises gear-box, and described deceleration device comprises planetary reduction gear casing; Described movable end cover is provided with dead eye, and the interior also press-in activity bottom of dead eye that described bearing is arranged on described movable end cover is peripheral, the fastening bottom surface being installed on described gear-box of described movable gland; The movable bottom of described slewing equipment and the gear-box of described speed change gear are bolted, and by mutual seam location; The movable end cover of described slewing equipment and the planetary reduction gear casing of described deceleration device are bolted, and by mutual seam location.
Preferably, described deceleration device comprises the planet carrier output shaft be connected with a joggle with wrench body, the input gear be connected with speed change gear, one-level central gear, is arranged on the primary planet pinion that described planet carrier output shaft engages with described one-level central gear; The inwall of described planetary reduction gear casing is provided with planetary ring gear, and described deceleration device also comprises centralized positioning pin, secondary sun gear, three grades of central gears, secondary planet frame, secondary planetary gear, third-level planetary frame, three-stage planetary gear; Described one-level central gear is fixed respectively by centralized positioning pin and secondary sun gear, three grades of central gears, input gears, described secondary sun gear engages with the secondary planetary gear on described secondary planet frame, and described input gear engages with the three-stage planetary gear on described third-level planetary frame; Described primary planet pinion, secondary planetary gear, three-stage planetary gear are all meshed with described planetary ring gear.
Preferably, planet carrier fixed cover is provided with between described primary planet carrier and described secondary planet frame; Friction plate is provided with between described third-level planetary frame and described movable gland.Friction plate described in the present invention is flute profile friction plate.
Preferably, copper-based bearings is provided with between described planet carrier output shaft and described planetary ring gear.Described copper-based bearings is copper base oilless bearing.
Adopt 3 grades of planetary gear speed-reductions in the deceleration device determined described in torque DC electric torque wrench of the present invention, sun tooth at different levels, planet tooth, internal messing gear ring all adopt 30 degree of pressure angles, and the registration between each gear is greater than 1.2; And between primary planet carrier and secondary planet frame, planet carrier fixed cover has been installed, its effect is the impact that fixed carrier eliminates dislocation when gear drive is stressed, skew, play, friction bring to torsion loss; The effect of flute profile friction plate is the friction reducing final stage planet carrier and movable gland, reaches the object improving gear-driven efficiency.
Also between planet carrier output shaft and planetary ring gear, copper-based bearings is installed between the present invention, its effect be when avoiding spanner work by radial component affect killing of conventional bearings, affect torsion transmit efficiency.
Preferably, described speed change gear comprises first-level variable-speed gear, two stage speed change gear, gearbox output shaft, the second rotating shaft, the 3rd rotating shaft, described gearbox output shaft is provided with horizontal gear, described first-level variable-speed gear connects described gearbox by described second rotating shaft, and described two stage speed change gear connects described gearbox by described 3rd rotating shaft; Described direct current generator comprises power output shaft, described power output shaft is provided with external gear, described first-level variable-speed gear comprises the one-level speed change gear wheel be meshed with described external gear and the one-level change speed pinion be coaxially connected with described one-level speed change gear wheel, described two stage speed change gear comprises two stage speed change pinion and two stage speed change gear wheel, and described two stage speed change pinion is coaxially connected with described two stage speed change gear wheel and is meshed; Described two stage speed change pinion is meshed with described horizontal gear.The present invention determines the interior employing of gearbox 3 grades of gear speed changes of torque DC electric torque wrench, and the engagement of each coupling gear all adopts high displacement mode, greatly reduces the impact of gear-driven efficiency loss, improves the stability of transmission.
Preferably, be provided with sleeve outside described wrench body, be provided with driving side's tenon in described wrench body, driving side's tenon of described sleeve and wrench body is fixed by safety pin.
Preferably, describedly determine torque DC electric torque wrench and be also provided with side handle and counter-force arm, described side handle is arranged on the casing at described slewing equipment place, and described counter-force arm is arranged on the casing at described deceleration device place.
Preferably, the position of the casing at described slewing equipment place is provided with braces suspension ring, and described handle is provided with braces suspension ring.
Preferably, described handle is also provided with the positive and negative switch of motor, the positive and negative switch of described motor is for controlling the direction of rotation of described direct current generator.
Preferably, described integrated control system comprises the torque arithmetic module be connected with described guidance panel, the memory module being preset with reference current value and for the actual current value that measures direct current generator and the control module of actual current value and reference current value being made comparisons.
The present invention is directed to deficiency of the prior art and demand, driven by power is utilized to be exported by machine driving, digital intelligent technology is used to realize accurately reaching the stubborn bolt mode of predetermined torque value, achieve artificial the high pulling torque be beyond one's reach needed for large gauge bolt, convenient and practical, thus reduction construction cost, improve installation quality.Of the present inventionly determine torque DC electric torque wrench and have good economic benefit and social benefit, it is not only applicable to extra high voltage line engineering, also has broad prospect of application for conventional line engineering.
Of the present inventionly determine torque DC electric torque wrench and compare similar direct current spanner design output torque 700N.m, the large 4500Ah of battery capacity, the large 500W of direct current generator power, adopt single-chip microcomputer control technology, output torque is accurate, easy to operate, without the need to external power supply, be lightweightly particularly suitable for work high above the ground.
Of the present invention when determining the work of torque DC electric torque wrench, power brick provides direct current, and drive direct current generator work, integrated control system carrys out setup control motor input current by intelligent operation panel, realizes controlling spanner and exports the object of determining moment of torsion.
Battery in power brick described in the present invention adopts extra-high capacity, the little compression-type Ni-MH battery of volume of independent research, power brick is built with warm protection device and thermistor, battery operated and charging temperature is made to control within 55 °, facts have proved that battery life promoted 2-3 doubly more originally, is 5-6 times of market like product.When power brick loads spanner, add power brick falling proof device in addition while power brick has snap close, this falling proof device adopts multiple thread design to make simple to operate, efficient and convenient, safe and reliable.
Integrated control system described in the present invention has multinomial intelligent set function:
1, torque value is set: on adjustment guidance panel
button, observes display screen, can arrange required torque value.
2, each shelves torque value fine adjustment function is set: length is pressed
number key one second, display screen will enter display moment of torsion
Trim values interface, then presses
number observe display screen.The size of adjustment trim values, to adjust
The size of each shelves moment of torsion.After setting trim values, long by+number key one second, display screen exits fine setting
Value interface turns back to and arranges torque value interface, automatically can preserve settings simultaneously and make to arrange and effectively establish
Put each shelves torque value trim values
3, watch a pretension bolt number function: after switch power supply, length is pressed
number key one second, display screen will enter display bolt number interface, then length is pressed
number key one second, by a tools for bolts ' pretension number interface, will turn back to display torque value interface.
4, low pressure alarming: in use for some time, electricity can decrease accumulator electric-quantity, electricity is low after certain voltage numerical value, for avoiding damaging battery, this chance sends buzzing chimes of doom, and shows L0 printed words on a display screen, reminds operator to change battery.
5, false alarm: when there is false alarm (EET appears in display screen), represent this operation failure, that is: the torque value of the bolt of pretension does not conform to settings.The bolt this time tightened must be unclamped, again tighten once.
Of the present inventionly determine torque DC electric torque wrench and be not only provided with overload protection function, have more handle and fuselage 360 degree of spinfunctions of standby impact force proof, corresponding protective effect is played to operator.And adopt perpetual motion constant speed function, rotate from start to overload protection Electric torque wrench and stop, output speed is 5r/min all the time, guarantees evenly bolt strained.Adopt step-less adjustment moment of torsion, when there is deviation in moment of torsion, can correction of deviation, to reach correct moment of torsion.After fastening bolt, can automatic reverse winding 3 ~ 5 degree, sleeve is taken off in passing, so that the operation of next bolt can improve the efficiency of work, decreases the operation sequence that some are loaded down with trivial details.
The invention has the beneficial effects as follows: the present invention determines torque DC electric torque wrench, digital intelligent technology can be used to realize accurately reaching the stubborn bolt mode of predetermined torque value, to realize artificial the high pulling torque be beyond one's reach needed for large gauge bolt, convenient and practical, thus reduction construction cost, improve installation quality.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention determines torque DC electric torque wrench one preferred embodiment;
Fig. 2 is the structural representation of deceleration device in Fig. 1;
Fig. 3 is the structural representation of slewing equipment in Fig. 1;
Fig. 4 is the circuit diagram determining torque DC electric torque wrench shown in Fig. 1;
In accompanying drawing, each parts mark is as follows: 1 one sleeves, 2 one handles, 3 one power brick, 4 one counter-force arm, 5 one deceleration devices, 6 single-revolution devices, 7 one braces suspension ring, 8 one speed change gears, 9 one direct current generators, 10 1 integrated control systems, 11 1 guidance panels, 12 1 switches, 13 1 side handles, 50 1 planet carrier output shafts, 51 1 reduction boxes, 52 1 centralized positioning pins, 53 1 friction plates, 54 1 input gears, 55 1 copper-based bearings, 56 1 one-level central gears, 560 1 primary planet pinions, 57 1 planet carrier fixed covers, 58 1 secondary sun gears, 580 1 secondary planetary gears, 581 1 secondary planet framves, 59 1 three-stage planetary gear, 61 1 movable bottoms, 62 1 bearings, 63 1 movable end covers, 64 1 movable glands.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1 to Fig. 4, the embodiment of the present invention: one determines torque DC electric torque wrench, comprise: casing, power brick 3, the direct current generator 9 be arranged in casing, by direct current generator 9 drive and be arranged at speed change gear 8 in casing, by speed change gear 8 drive and the deceleration device 5 be arranged in casing and the wrench body be connected with deceleration device 5, be provided with slewing equipment 6 between speed change gear 8 and deceleration device 5; Determine torque DC electric torque wrench and also comprise the handle 2 being arranged at casing rear end, be arranged at the integrated control system 10 in handle 2 and be arranged on the guidance panel 11 that handle 2 is also connected with integrated control system 10; Described handle 2 is provided with switch 12; Be provided with torque sensor in speed change gear 8, direct current generator 9 is provided with current sensor and speed probe, and described torque sensor and described current sensor and speed probe form closed loop detect system; Integrated control system 10 connects described torque sensor, current sensor and speed probe.
The movable end cover 63 that in the present embodiment, slewing equipment 6 comprises movable bottom 61, ring is located at movable bottom 61 periphery, movable gland 64 and bearing 62; Speed change gear 8 comprises gearbox, and described gearbox comprises gear-box, and described deceleration device comprises planetary reduction gear casing; Movable end cover 63 is provided with dead eye, and the interior also press-in activity bottom 61 of dead eye that bearing 62 is arranged on movable end cover 63 is peripheral, the fastening bottom surface being installed on described gear-box of movable gland 64; The movable bottom 61 of slewing equipment 6 is bolted with the gear-box of speed change gear 8, and by mutual seam location; The movable end cover 63 of slewing equipment 6 is bolted with the planetary reduction gear casing of deceleration device 8, and by mutual seam location.
In the present embodiment, deceleration device 5 comprises the planet carrier output shaft be connected with a joggle with wrench body, the input gear be connected with speed change gear 8, one-level central gear 56, is arranged on the primary planet pinion 560 that planet carrier output shaft 50 engages with one-level central gear 56; The inwall of described planetary reduction gear casing is provided with planetary ring gear, and deceleration device 5 also comprises centralized positioning pin 52, secondary sun gear 58, three grades of central gears, secondary planet frame 581, secondary planetary gear 580, third-level planetary frame, three-stage planetary gear 59; One-level central gear 56 is fixed respectively by centralized positioning pin 52 and secondary sun gear 58, three grades of central gears, input gears 54, secondary sun gear 58 engages with the secondary planetary gear 580 on secondary planet frame 581, and input gear 54 engages with the three-stage planetary gear 59 on third-level planetary frame; Primary planet pinion 560, secondary planetary gear 580, three-stage planetary gear 59 are all meshed with described planetary ring gear.
In the present embodiment, between primary planet carrier and secondary planet frame 581, be provided with planet carrier fixed cover 57; Friction plate 53 is provided with between third-level planetary frame and movable gland.
In the present embodiment, between planet carrier output shaft 50 and planetary ring gear, be provided with copper-based bearings 55.
In the present embodiment, speed change gear 8 comprises first-level variable-speed gear, two stage speed change gear, gearbox output shaft, the second rotating shaft, the 3rd rotating shaft, described gearbox output shaft is provided with horizontal gear, described first-level variable-speed gear connects described gearbox by described second rotating shaft, and described two stage speed change gear is connected to described gearbox by described 3rd rotating shaft; Described direct current generator comprises power output shaft, described power output shaft is provided with external gear, described first-level variable-speed gear comprises the one-level speed change gear wheel be meshed with described external gear and the one-level change speed pinion be coaxially connected with described one-level speed change gear wheel, described two stage speed change gear comprises two stage speed change pinion and two stage speed change gear wheel, and described two stage speed change pinion is coaxially connected with described two stage speed change gear wheel and is meshed; Described two stage speed change pinion is meshed with described horizontal gear.
In the present embodiment, be provided with sleeve 1 outside described wrench body, be provided with driving side's tenon in described wrench body, driving side's tenon of sleeve 1 and wrench body is fixed by safety pin.
In the present embodiment, describedly determine torque DC electric torque wrench and be also provided with side handle 13 and counter-force arm 4, side handle 13 is arranged on the casing at slewing equipment 6 place, and counter-force arm 4 is arranged on the casing at deceleration device 5 place.
In the present embodiment, the position of the casing at slewing equipment 6 place is provided with braces suspension ring 7, and handle 2 is provided with braces suspension ring 7.
In the present embodiment, handle 2 is also provided with the positive and negative switch of motor, the positive and negative switch of described motor is for controlling the direction of rotation of described direct current generator.
In the present embodiment, described integrated control system comprises the torque arithmetic module be connected with described guidance panel, the memory module being preset with reference current value and for the actual current value that measures direct current generator and the control module of actual current value and reference current value being made comparisons.
Of the present inventionly determine torque DC electric torque wrench when using: first charged power brick 3 installed, set the torque value preset, Wrench for opening preheating by guidance panel 11, install counter-force arm 4, cover upper bush 1 also inserts anti-sleeve and to fall pin.Then when the work of torque DC electric torque wrench is determined in utilization, after opening switch, direct current generator 9 is energized and rotates (being turned round the positive and negative rotation realizing direct current generator by the positive backwash of switch 12), the motor gear of direct current generator 9 and one-level speed change gear wheel engaged transmission, one-level change speed pinion and two stage speed change gear wheel engaged transmission, horizontal gear engaged transmission on two stage speed change pinion and gearbox output shaft, described horizontal gear and three-stage planetary gear 590 transmission, third-level planetary tooth 590 is with planetary ring gear engaged transmission and promote third-level planetary frame by planet pin and rotate, with secondary sun tooth 58 and secondary planet tooth 580 transmission of third-level planetary frame spline fitted, secondary planet tooth 580 is with planetary ring gear engaged transmission and promote primary planet carrier by planet pin and rotate, the sleeve 1 coordinated with driving side's tenon promotes outer-hexagonal nut check or the dismounting of bolt assembly, complete the work of spanner,
When bolt-locking is stressed, counter-force arm 4 is close to the rotation that the strong point fixes planetary reduction gear casing, the default of moment of torsion is the electric current conversion and control setting making torque value corresponding by the digital control module of the power amplifier board of integrated control system, when bolt and nut locking close to or torque sensor when reaching pre-set value in gear-box the digital control module that the stress value of gear is delivered to power amplifier board is contrasted, when output torque has gap, control direct current generator 9 works on and to stop (the positive and negative 1N.m of control accuracy) close to torque sensor by digital control module;
When moment of torsion reaches pre-set value, direct current generator 9 stops operating, stall rear motor reversion in 1 second, and when the spanner arm of force leaves the arm of force strong point 3 ~ 5 degree, direct current generator 9 quits work;
When the control figure control module of spanner power amplifier board occurs extremely out of control, when electric current reaches 30 ampere-hours, fuse auto-breaking, protection spanner.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. determine torque DC electric torque wrench for one kind, it is characterized in that, comprise: casing, power brick, the direct current generator be arranged in casing, by direct current generator drive and be arranged at speed change gear in casing, by speed change gear drive and the deceleration device be arranged in casing and the wrench body be connected with deceleration device, be provided with slewing equipment between described speed change gear and described deceleration device; Described determine torque DC electric torque wrench also comprise be arranged at casing rear end handle, be arranged at the integrated control system in handle and be arranged on handle and the guidance panel be connected with integrated control system; Described handle is provided with switch; Be provided with torque sensor in described speed change gear, described direct current generator is provided with current sensor and speed probe, and described torque sensor and described current sensor and speed probe form closed loop detect system; Described integrated control system connects described torque sensor, current sensor and speed probe.
2. according to claim 1ly determine torque DC electric torque wrench, it is characterized in that, described slewing equipment comprises movable bottom, ring is located at the movable end cover of movable bottom periphery, movable gland and bearing; Described speed change gear comprises gearbox, and described gearbox comprises gear-box, and described deceleration device comprises planetary reduction gear casing; Described movable end cover is provided with dead eye, and the interior also press-in activity bottom of dead eye that described bearing is arranged on described movable end cover is peripheral, the fastening bottom surface being installed on described gear-box of described movable gland; The movable bottom of described slewing equipment and the gear-box of described speed change gear are bolted, and by mutual seam location; The movable end cover of described slewing equipment and the planetary reduction gear casing of described deceleration device are bolted, and by mutual seam location.
3. according to claim 2ly determine torque DC electric torque wrench, it is characterized in that, described deceleration device comprises the planet carrier output shaft be connected with a joggle with wrench body, the input gear be connected with speed change gear, one-level central gear, is arranged on the primary planet pinion that described planet carrier output shaft engages with described one-level central gear; The inwall of described planetary reduction gear casing is provided with planetary ring gear, and described deceleration device also comprises centralized positioning pin, secondary sun gear, three grades of central gears, secondary planet frame, secondary planetary gear, third-level planetary frame, three-stage planetary gear; Described one-level central gear is fixed respectively by centralized positioning pin and secondary sun gear, three grades of central gears, input gears, described secondary sun gear engages with the secondary planetary gear on described secondary planet frame, and described input gear engages with the three-stage planetary gear on described third-level planetary frame; Described primary planet pinion, secondary planetary gear, three-stage planetary gear are all meshed with described planetary ring gear.
4. according to claim 3ly determine torque DC electric torque wrench, it is characterized in that, between described primary planet carrier and described secondary planet frame, be provided with planet carrier fixed cover; Friction plate is provided with between described third-level planetary frame and described movable gland.
5. according to claim 3ly determine torque DC electric torque wrench, it is characterized in that, between described planet carrier output shaft and described planetary ring gear, be provided with copper-based bearings.
6. according to claim 3ly determine torque DC electric torque wrench, it is characterized in that, described speed change gear comprises first-level variable-speed gear, two stage speed change gear, gearbox output shaft, the second rotating shaft, the 3rd rotating shaft, described gearbox output shaft is provided with horizontal gear, described first-level variable-speed gear connects described gearbox by described second rotating shaft, and described two stage speed change gear connects described gearbox by described 3rd rotating shaft; Described direct current generator comprises power output shaft, described power output shaft is provided with external gear, described first-level variable-speed gear comprises the one-level speed change gear wheel be meshed with described external gear and the one-level change speed pinion be coaxially connected with described one-level speed change gear wheel, described two stage speed change gear comprises two stage speed change pinion and two stage speed change gear wheel, and described two stage speed change pinion is coaxially connected with described two stage speed change gear wheel and is meshed; Described two stage speed change pinion is meshed with described horizontal gear.
7. according to claim 1ly determine torque DC electric torque wrench, it is characterized in that, be provided with sleeve outside described wrench body, be provided with driving side's tenon in described wrench body, driving side's tenon of described sleeve and wrench body is fixed by safety pin.
8. according to claim 1ly determine torque DC electric torque wrench, it is characterized in that, describedly determine torque DC electric torque wrench and be also provided with side handle and counter-force arm, described side handle is arranged on the casing at described slewing equipment place, and described counter-force arm is arranged on the casing at described deceleration device place.
9. according to claim 1ly determine torque DC electric torque wrench, it is characterized in that, the position of the casing at described slewing equipment place is provided with braces suspension ring, and described handle is provided with braces suspension ring.
10. according to claim 1ly determine torque DC electric torque wrench, it is characterized in that, described integrated control system comprises the torque arithmetic module be connected with described guidance panel, the memory module being preset with reference current value and for the actual current value that measures direct current generator and the control module of actual current value and reference current value being made comparisons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469000.1A CN104552115A (en) | 2013-10-09 | 2013-10-09 | DC (Direct Current) electric fixed-torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310469000.1A CN104552115A (en) | 2013-10-09 | 2013-10-09 | DC (Direct Current) electric fixed-torque wrench |
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| CN104552115A true CN104552115A (en) | 2015-04-29 |
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| CN201310469000.1A Pending CN104552115A (en) | 2013-10-09 | 2013-10-09 | DC (Direct Current) electric fixed-torque wrench |
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| CN108687706A (en) * | 2018-08-06 | 2018-10-23 | 四川省东泰机械制造有限公司 | A kind of Electric torque wrench signal transmission structure and its Electric torque wrench |
| CN109015503A (en) * | 2018-10-09 | 2018-12-18 | 东莞松山智能机器人有限公司 | Lithium electricity is straight to drive permanent torque spanner |
| CN109551413A (en) * | 2018-12-14 | 2019-04-02 | 台州创茂电动工具有限公司 | A kind of Electric torque wrench |
| IT201900003545A1 (en) * | 2019-03-12 | 2020-09-12 | R C D S R L | PORTABLE HANDLER FOR MECHANICAL EQUIPMENT |
| CN112548947A (en) * | 2020-11-19 | 2021-03-26 | 山东华宇工学院 | Intelligent tool for disassembling oil drain bolt |
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| CN108430599B (en) * | 2015-11-23 | 2020-12-15 | 斯康股份公司 | Filter device for a container through which a gas flow flows |
| CN108687706A (en) * | 2018-08-06 | 2018-10-23 | 四川省东泰机械制造有限公司 | A kind of Electric torque wrench signal transmission structure and its Electric torque wrench |
| CN108687706B (en) * | 2018-08-06 | 2024-07-26 | 四川省东泰机械制造有限公司 | Electric torque wrench signal transmission structure and electric torque wrench thereof |
| CN109015503A (en) * | 2018-10-09 | 2018-12-18 | 东莞松山智能机器人有限公司 | Lithium electricity is straight to drive permanent torque spanner |
| CN109015503B (en) * | 2018-10-09 | 2023-06-30 | 东莞松山智能机器人有限公司 | Lithium electric direct-drive constant torque wrench |
| CN109551413A (en) * | 2018-12-14 | 2019-04-02 | 台州创茂电动工具有限公司 | A kind of Electric torque wrench |
| CN109551413B (en) * | 2018-12-14 | 2024-04-16 | 台州创茂电动工具有限公司 | Electric torque wrench |
| IT201900003545A1 (en) * | 2019-03-12 | 2020-09-12 | R C D S R L | PORTABLE HANDLER FOR MECHANICAL EQUIPMENT |
| CN112548947A (en) * | 2020-11-19 | 2021-03-26 | 山东华宇工学院 | Intelligent tool for disassembling oil drain bolt |
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Application publication date: 20150429 |