CN209665233U - Direct current bumping electric spanner with pressing plate - Google Patents
Direct current bumping electric spanner with pressing plate Download PDFInfo
- Publication number
- CN209665233U CN209665233U CN201920297822.9U CN201920297822U CN209665233U CN 209665233 U CN209665233 U CN 209665233U CN 201920297822 U CN201920297822 U CN 201920297822U CN 209665233 U CN209665233 U CN 209665233U
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- clutch
- direct current
- flywheel
- friction plate
- pedal support
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of direct current bumping electric spanner with pressing plate.It includes main shaft, flywheel, clutch, transmission gear, direct current generator；There are two impact blocks between two Flywheel discs；Two pressure plates are symmetrical arranged on the outside of two impact blocks；The both ends of every block pressur plate are inserted into respectively in two ipsilateral reset square holes of two Flywheel discs；Two pressure plates are linked together by reset tension spring；Clutch includes clutch-pedal support, friction plate skeleton, friction plate；The rear portion of rear flywheel disk is equipped with fluting between Internal and external cycle；Clutch-pedal support is nested in the fluting between the Internal and external cycle of rear flywheel disk；The outer ring of rear flywheel disk is sleeved on outside friction plate；The blocking pin that friction plate skeleton can be prevented to do relative motion when rotating with clutch-pedal support is being equipped on clutch-pedal support.The electric wrench of the utility model, is driven by direct current generator, and voltage is low, and safety coefficient is big, and output torque is big, work efficiency is high；No-backs when work, noiseless, low energy consumption.
Description
Technical field
The utility model belongs to power tools technology field, is related to a kind of direct current bumping electric spanner with pressing plate.
Background technique
People encounter on the outgoing road of driving need to temporarily change automobile tire when, need with electric wrench come
Disassembly or installation screw, nut；During furniture installation and house decoration, it is also desirable to install or remove spiral shell with electric wrench
Silk, nut.
Existing large size AC system electric wrench, it is impossible to be used in automobile tire is temporarily changed on road, though it can be used for house
Tool installation and house decoration, but the problems such as that there are outer dimensions is big, and volume is big, and voltage is high, danger coefficient is big.And it is existing small-sized
Single flow electric wrench can be used for furniture installation and house decoration though can be used for temporarily changing automobile tire on road,
But there is a problem of that output torque is small, work efficiency is low, use very laborious.
How to design it is a by direct current generator driving, voltage is low, safety coefficient is big, and the electricity that output torque is big, work efficiency is high
Wrench will be seemed very necessary with solving the above problems.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide it is a kind of by direct current generator driving, voltage it is low,
Safety coefficient is big, and output torque is big, the high direct current bumping electric spanner with pressing plate of work efficiency.
The technical solution of the utility model is as follows:
A kind of direct current bumping electric spanner with pressing plate, it includes sequentially connected main shaft, flywheel, clutch, transmission
Gear, direct current generator；Front-end of spindle is equipped with sleeve (i.e. driving end), and main shaft rear portion is equipped with cam；Transmission gear includes driving tooth
Wheel, driven gear；Driven gear engages connection with driving gear；Driving gear is connect with direct current generator；Driven gear and clutch
Device connection；
Flywheel includes former and later two Flywheel discs (Flywheel disc, rear flywheel disk before i.e.) being sleeved on main shaft；Two Flywheel discs
Between set that there are two eccentric impact blocks；Two impact blocks set up separately in main shaft rear cams two sides；Two impact blocks are set with
Symmetrically arranged from two pin shafts passed through in two Flywheel discs；
Each Flywheel disc outer rim is symmetrical arranged two reset square holes；It is right on the outside of two impact blocks between two Flywheel discs
Claim setting two pressure plates；The both ends of every block pressur plate are inserted into respectively in two ipsilateral reset square holes of two Flywheel discs；Two pressure plates
Two with being linked together respectively by reset tension spring between side；
Clutch includes clutch-pedal support, friction plate skeleton, friction plate；The rear portion of rear flywheel disk is equipped between Internal and external cycle
U-shaped fluting；Clutch-pedal support is nested in the fluting of the U-shaped between the Internal and external cycle of rear flywheel disk；Clutch-pedal support upper and lower side is in circle
Arc, left and right end are plane, and its rear end is fixedly connected with driven gear, can rotate around the spindle with driven gear；Clutch
There is a recess circular arc among circular arc outer end above and below bracket；There are two friction plate skeletons, is symmetricly set on the upper of clutch-pedal support
Lower circular arc outer end；Two of two friction plate skeletons by tension spring the same as being linked together respectively between side；Friction plate skeleton is whole
Body is arc-shaped, and section is T shape, in the recess circular arc of the protrusion partial insertion clutch-pedal support of inside T shape circular arc lower end；It rubs
T shape circular arc is equipped with groove on the inside of pad skeleton；Being equipped on the recess circular arc of clutch-pedal support can be inserted into friction plate skeleton
Blocking pin in groove；Friction plate is fixed on the outer surface of friction plate skeleton；The outer ring (being equivalent to friction sleeve) of rear flywheel disk
It is sleeved on outside friction plate.
Further, groove is equipped on the inside of friction plate skeleton among T shape circular arc；Among the recess circular arc of clutch-pedal support
Blocking pin in groove equipped with pluggable friction plate skeleton.
Further, two friction plates are adhered to respectively on the outer surface of two friction plate skeletons.
Further, the motor shaft of direct current generator is mounted on main support by bearing；Driving gear is sleeved on motor shaft
On.
Further, driven gear is mounted in the protruding shaft of main support by bearing；Preceding Flywheel disc is mounted on by bearing
On main shaft.
Further, the preceding inner ring of rear flywheel disk is mounted on main shaft by bearing；The rear inner ring of rear flywheel disk passes through axis
It holds in the protruding shaft for being mounted on main support.
Further, both driven gear and clutch-pedal support are integrated.
Further, the friction plate thickness is 2mm；Gap between the friction plate and the outer ring of rear flywheel disk is
0.5mm。
Further, the direct current generator can be voltage 12V, power 100-150W, 10000 turns of revolving speed, outer diameter 550mm
Direct current generator, be convenient for vehicle-mounted use, be also possible to the direct current generator of voltage 24V.
The utility model has the beneficial effects that
The direct current bumping electric spanner with pressing plate of the utility model, is driven, voltage is low, safety coefficient by direct current generator
Greatly, and output torque is big, work efficiency is high.Its advantage is that: use low-voltage DC, the possibility of non-contact electric；It is noiseless, energy conservation and environmental protection,
Energy consumption is the one third of energy consumption used in traditional similar tools；No-backs when work, it is fool proof, as hammer is being twisted
On the spanner of bolt, strength is bigger.
The direct current bumping electric spanner with pressing plate of the utility model, hitting power can reach 500-600N.M, be suitable for
2-3 tons of Medium Trucks (12v) and small-sized maintenance store or work mill, strength is big, and volume is little.
The direct current bumping electric spanner with pressing plate of the utility model, feature with the following functions:
1, using the benefit of gear drive connection (driving gear, driven gear be driven) mode: by driving gear, driven
The transmission of gear, can increase the efficiency of motor, and the motor shaft that 3 millimeters of diameter can drive the hammer force (direct current of meters of 300 newton
550 millimeters of machine outer diameter, 100-150W, 12V, 10,000 revs/min of revolving speed).
2, blocking pin is set on the clutch-pedal support between friction plate skeleton and clutch-pedal support, friction plate bone can be prevented
Frame and friction plate do relative motion with clutch-pedal support.
3, two pressure plates are set on flywheel, blocking impact block can be played the role of, make impact block homing.
4, the self-powered battery of this tool can reach more favorable effect by drive gear speed change.
5, tool is acted on using two slice clutch, can prevents the high current generated when motor rotation blockage from injuring motor, protection
Motor；It eliminates because of reaction force caused by tool stall, user is protected to preserve from, also protect drill bit or cut
The not broken damage of pitch cutting, moreover it is possible to save energy consumption.
6. the percussion on flywheel is hammered into shape in a blistering plane for acting on spindle cam when (impact block) beats, can reach more
Extend the effect of tool life well.
Detailed description of the invention
Fig. 1 is a kind of main view cross section structure schematic diagram of the direct current bumping electric spanner with pressing plate of the utility model；
Fig. 2 is the structural schematic diagram of the clutch 4 in the utility model；
Fig. 3 is the cross section structure schematic diagram of the friction plate skeleton 42 and friction plate 43 in the utility model；
Fig. 4 is the side structure schematic view of the friction plate skeleton 42 and friction plate 43 in the utility model；
Fig. 5 is the overlooking structure diagram (can see blocking pin 15) of the clutch-pedal support 41 in the utility model；
Fig. 6 is the C-C the schematic diagram of the section structure of 41 Fig. 5 of clutch-pedal support in the utility model；
Fig. 7 is the side structure schematic view of the pressing plate 8 in the utility model；
Fig. 8 is the overlooking structure diagram of the pressing plate 8 in the utility model；
Fig. 9 is the structural schematic diagram of the rear flywheel disk 22 in the utility model；
Figure 10 is the structural schematic diagram of the preceding Flywheel disc 21 in the utility model；
Figure 11 is the structural schematic diagram of the flywheel main body (flywheel 2) in the utility model；
Figure 12 is the clutch-pedal support of the integral type in the utility model and the structural schematic diagram of driven gear；
Figure 13 is the side structure schematic view of the main support 10 in the utility model；
Figure 14 is the schematic view of the front view of the driving gear 6 in the utility model；
Figure 15 is the main view cross section structure schematic diagram of the main support 10 in the utility model；
Figure 16 is the side structure schematic view of impact block 16 in the utility model；
Figure 17 is the schematic view of the front view of the impact block 16 in the utility model；
Figure 18 is one end side structure schematic view of the main shaft 1 in the utility model；
Figure 19 is the schematic view of the front view of the main shaft 1 in the utility model；
Figure 20 is the other end side structure schematic view of the main shaft 1 in the utility model；
Status diagram when Figure 21 is the shock block reset in the utility model；
Status diagram when Figure 22 is the impact block work in the utility model.
In figure: 1, main shaft 2, flywheel 3, impact block 4, clutch
5, driven gear 6, driving gear 7, direct current generator 8, pressing plate 9, pin shaft
10, main support 16, axis hole 17, protruding shaft
11, sleeve 12, cam 13, bearing 14, friction sleeve 15, blocking pin
21, preceding Flywheel disc 22, rear flywheel disk 23, reset square hole 24, reset tension spring 25, U-shaped fluting
41, clutch-pedal support 42, friction plate skeleton 43, friction plate 45, tension spring 46, groove
47, circular arc 48, recess circular arc are protruded
In Fig. 2: state when state B, clutch friction plate when A, clutch friction plate is opened are closed
Specific embodiment
The utility model is further described below in conjunction with drawings and examples.
Embodiment
As shown in Fig. 1-Figure 22, a kind of direct current bumping electric spanner with pressing plate of the utility model, it includes successively connecting
Main shaft 1 (transmission shaft), flywheel 2, clutch 4, transmission gear, the direct current generator 7 connect；1 front end of main shaft is equipped with 11 (i.e. spanner of sleeve
Head), main shaft rear portion is equipped with cam 12；Flywheel 2 (flywheel main body) includes former and later two flywheels by bearing holder (housing, cover) on main shaft
Disk (Flywheel disc 21, rear flywheel disk 22 before i.e.)；Eccentric impact block 3 there are two being set between two Flywheel discs；Two impact blocks 3 divide
It is located at 12 two sides of main shaft rear cams；Two impact blocks 3 are set in symmetrically arranged two passed through from two Flywheel discs
On root pin shaft 9.Transmission gear includes driving gear 6, driven gear 5；Driven gear is fixedly connected with 5 clutches 4, driving gear
6 connect with direct current generator 7.
As shown in Fig. 2-Fig. 6, clutch 4 includes clutch-pedal support 41, friction plate skeleton 42, friction plate 43；Rear flywheel disk
22 rear portion is equipped with U-shaped fluting 25 between Internal and external cycle；Clutch-pedal support 41 is nested in the U-shaped between the Internal and external cycle of rear flywheel disk
In fluting 25；41 upper and lower side of clutch-pedal support is arc-shaped, and left and right end is plane, and its rear end is fixedly connected with driven gear 5, can
It is rotated around the spindle with driven gear 5；There is a recess circular arc 48 among about 41 circular arc outer end of clutch-pedal support；Friction plate
There are two skeletons 42, is symmetricly set on the circular arc outer end up and down of clutch-pedal support 41；Two of two friction plate skeletons 42 are ipsilateral
It is linked together respectively by tension spring 45 between end；Friction plate skeleton is integrally arc-shaped, and section is T shape, inside T shape circular arc
The protrusion part of a lower end i.e. protrusion circular arc 47 is inserted into the recess circular arc 48 of clutch-pedal support 41；41 inside of friction plate skeleton
T shape circular arc among be equipped with groove 46；Being equipped among the recess circular arc 48 of clutch-pedal support 41 can be inserted into friction plate skeleton 42
Groove 46 in blocking pin 15 head of screw of protrusion (can be one)；Two friction plates 43 are adhered to two friction plates respectively
On the outer surface of skeleton 42；The outer ring (being equivalent to friction sleeve 14) of rear flywheel disk 22 is sleeved on 43 outside of friction plate.Friction plate 43
With a thickness of 2mm；Gap between friction plate 43 and the outer ring of rear flywheel disk 22 is 0.5mm.
For blocking pin 15 between friction plate skeleton 42 and clutch-pedal support 41, the effect of blocking pin 15 is to prevent friction plate
Opposite clutch-pedal support is done when skeleton and friction plate are rotated with clutch-pedal support slides in the circumferential direction, to ensure clutch just
Often work.When clutch works normally, friction plate skeleton and friction plate should be revolved with clutch-pedal support around the same central point
Turn, after friction plate outwardly opens, friction plate skeleton should be partially disengaged (close when Ying Shicong friction plate is closed with clutch-pedal support
The state of closure becomes the state that the part after friction plate outwardly opens loosens), and cannot completely disengage, because, clutch
After bracket stops operating, friction plate skeleton and friction plate should be able to be pulled back by two tension springs at friction plate skeleton both ends.It is existing
Due to not designing blocking pin 15 in technology, the contact surface for causing friction plate skeleton and clutch-pedal support skids, friction plate skeleton
The opposite clutch-pedal support of meeting is done to be slided in the circumferential direction, so that friction plate skeleton and clutch-pedal support are complete after friction plate is opened
Total detachment causes the dislocation deformation of two tension springs at friction plate skeleton both ends, will affect the normal work of clutch in this way.
As shown in Fig. 7-Figure 11, Figure 21, Figure 22, each Flywheel disc outer rim is symmetrical arranged two reset square holes 23；At two
Two pressure plates 8 are symmetrical arranged on the outside of two impact blocks 3 between Flywheel disc；Two flywheels are inserted at the both ends of every block pressur plate 8 respectively
In the ipsilateral reset square hole 23 of two of disk；Two of two pressure plates 8 are connected to one with reset tension spring 24 is passed through between side respectively
It rises.
As shown in Figure 13, Figure 15, main support 10 has an axis hole 16 and a protruding shaft 17；The motor shaft of direct current generator 7
It is mounted in the axis hole 16 on main support 10 by bearing；Driving gear 6 is sleeved on motor shaft；Driven gear 5 and driving tooth
6 engagement connection of wheel；Driven gear 5 is mounted in the protruding shaft 17 of main support 10 by bearing；The preceding inner ring of rear flywheel disk 22 passes through
Bearing is mounted on main shaft 1 (positioned at the rear end of main shaft 1)；The rear inner ring of rear flywheel disk 22 is mounted on main support 10 by bearing 13
Protruding shaft 17 on (positioned at the front end of main support 10)；Driven gear 5 is fixedly connected with clutch-pedal support 41, and the two is integrated.
Main support 10 is both electric machine support (motor shaft of bearing direct current generator 7), while also acting as bearing driven gear 6, clutch branch
The effect of frame 41 and rear flywheel disk 22.
The direct current generator is the direct current generator of voltage 12V, power 100-150W, 10000 turns of revolving speed, outer diameter 550mm, just
In vehicle-mounted use.By increasing the thickness of tension spring and/or reducing the length of tension spring, hitting power can be made to reach 500-600N.M.
Working principle of the utility model is: motor drives driving gear, driving gear drives driven gear, driven gear band
Clutch is moved, the friction plate on clutch acts on flywheel, and flywheel both ends there are two pressure plates, and the pressing plate on flywheel is with flywheel turns
And risen to both ends, meanwhile, impact block strikes rising on convex surface in spindle cam, is acted on active force by sleeve by main shaft
(pine) operation is tightened in realizing on nut or bolt；In the moment (when maximum force) of stall, slipping of clutch, clutch with
Flywheel separates, and flywheel stalling, two pressure plates are retracted by tension spring, so that impact block is restored to the original state (homing), restarts next
Working cycles.
The course of work of the utility model is:
When direct current generator 7 is started to work, it is driven by driving gear 6, driven gear 5, drives centrifugal clutch device
(i.e. clutch 4) rotation, motor dallies at this time；When direct current generator 7 is rotated up to certain revolving speed, work of the clutch in centrifugal force
Under, open clutch friction plate 43 (i.e. state A when clutch friction plate in Fig. 2 is opened), clutch friction plate 43 with
Friction sleeve 14 on flywheel contacts, and drives connected flywheel 2 to rotate, and the pressing plate 8 on flywheel is driven to rotate；Flywheel turns
Speed gradually increases, and when the energy accumulation of flywheel is to certain value, pressing plate 8 moves quickly into multiple under the action of rotary centrifugal force
Top in the square hole 23 of position, pressing plate 8 are separated with eccentric impact block 3；Eccentric impact block 3 also under the influence of centrifugal force, turns around pin shaft
Dynamic, a lighter impact downwards of eccentric impact block plays on convex surface (the i.e. work of impact block shown in Figure 22 in spindle cam 12
When state)；Main shaft 1 rotates under the percussion of eccentric impact block, drives the sleeve 11 (driving end) of shaft end to rotate, tightens
(pine) nut or screw.
When nut or screw are screwed to bottom, main shaft 1, which is plugged, turns motionless, and in the moment of stall, active force is maximum at this time,
Direct current generator 7 overloads, and 4 momentary slip of clutch is interrupted the transmitting of torque, to protect the overload of motor, at this point, clutch friction
Piece 43 resets (i.e. state when clutch friction plate in Fig. 2 is closed under the restoring force effect of returning spring (i.e. tension spring 45)
B), centrifuge friction plate 43 is separated with the friction sleeve 14 on flywheel, and clutch does not drive flywheel, and flywheel 2 stops rotating；Flywheel is not
Turn just there is no rotary centrifugal force, the tension spring 24 that is reset under the reset pulling force effect of reset tension spring 24 of two pressure plates 8 retracts, and presses
Plate 8 is pressed in again on eccentric impact block 3, and bias hits block reset, and (that leaves main shaft plays convex surface, that is, returns to shock shown in Figure 21
State when block reset)；At this point, motor dallies again；When motor is rotated up to certain revolving speed, clutch is in centrifugal force
Under effect, clutch friction plate is opened, friction plate is contacted with the friction sleeve on flywheel, connected flywheel turns are driven,
And drive press plate rotary on flywheel；Into next working cycles.
Claims (10)
1. a kind of direct current bumping electric spanner with pressing plate, which is characterized in that it include sequentially connected main shaft, flywheel, from
Clutch, transmission gear, direct current generator；Front-end of spindle is equipped with sleeve, that is, driving end, and main shaft rear portion is equipped with cam；Transmission gear includes
Driving gear, driven gear；Driven gear engages connection with driving gear；Driving gear is connect with direct current generator；Driven gear
It is connect with clutch；
Flywheel includes former and later two Flywheel discs being sleeved on main shaft, i.e., preceding Flywheel disc, rear flywheel disk；It is set between two Flywheel discs
There are two eccentric impact blocks；Two impact blocks set up separately in main shaft rear cams two sides；Two impact blocks are set in symmetrically
Be arranged from two pin shafts passed through in two Flywheel discs；
Each Flywheel disc outer rim is symmetrical arranged two reset square holes；It is symmetrically set on the outside of two impact blocks between two Flywheel discs
Set two pressure plates；The both ends of every block pressur plate are inserted into respectively in two ipsilateral reset square holes of two Flywheel discs；The two of two pressure plates
It is linked together respectively by reset tension spring between a same side；
Clutch includes clutch-pedal support, friction plate skeleton, friction plate；The rear portion of rear flywheel disk is equipped with U-shaped between Internal and external cycle
Fluting；Clutch-pedal support is nested in the fluting of the U-shaped between the Internal and external cycle of rear flywheel disk；Clutch-pedal support upper and lower side is in circular arc
Shape, left and right end are plane, and its rear end is fixedly connected with driven gear, can rotate around the spindle with driven gear；Clutch branch
There is a recess circular arc among circular arc outer end above and below frame；There are two friction plate skeletons, is symmetricly set on the upper and lower of clutch-pedal support
Circular arc outer end；Two of two friction plate skeletons by tension spring the same as being linked together respectively between side；Friction plate skeleton is whole
It is arc-shaped, section is T shape, in the recess circular arc of the protrusion partial insertion clutch-pedal support of inside T shape circular arc lower end；Friction
T shape circular arc is equipped with groove on the inside of piece skeleton；Being equipped on the recess circular arc of clutch-pedal support can be inserted into the recessed of friction plate skeleton
Blocking pin in slot；Friction plate is fixed on the outer surface of friction plate skeleton；The outer ring of rear flywheel disk is sleeved on outside friction plate.
2. the direct current bumping electric spanner with pressing plate as described in claim 1, which is characterized in that T on the inside of friction plate skeleton
Groove is equipped among shape circular arc；The resistance being equipped among the recess circular arc of clutch-pedal support in the groove that can be inserted into friction plate skeleton
Backing pin.
3. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that two friction plates point
It is not adhered on the outer surface of two friction plate skeletons.
4. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that the electricity of direct current generator
Arbor is mounted on main support by bearing；Driving gear is sleeved on motor shaft.
5. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that driven gear passes through
Bearing is mounted in the protruding shaft of main support；Preceding Flywheel disc is mounted on main shaft by bearing.
6. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that before rear flywheel disk
Inner ring is mounted on main shaft by bearing；The rear inner ring of rear flywheel disk is mounted in the protruding shaft of main support by bearing.
7. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that driven gear with from
Both clutch brackets are integrated.
8. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that the friction plate is thick
Degree is 2mm；Gap between the friction plate and the outer ring of rear flywheel disk is 0.5mm.
9. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that the direct current generator
For the direct current generator of voltage 12V, power 100-150W.
10. the direct current bumping electric spanner with pressing plate as claimed in claim 1 or 2, which is characterized in that the direct current generator
Outer diameter be 550mm, the revolving speed of the direct current generator is 10000 turns per minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297822.9U CN209665233U (en) | 2019-03-08 | 2019-03-08 | Direct current bumping electric spanner with pressing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297822.9U CN209665233U (en) | 2019-03-08 | 2019-03-08 | Direct current bumping electric spanner with pressing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209665233U true CN209665233U (en) | 2019-11-22 |
Family
ID=68570900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920297822.9U Expired - Fee Related CN209665233U (en) | 2019-03-08 | 2019-03-08 | Direct current bumping electric spanner with pressing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209665233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935779A (en) * | 2021-02-17 | 2021-06-11 | 崔联 | Method for quickly screwing out screw |
| CN114102500A (en) * | 2021-11-12 | 2022-03-01 | 东风柳州汽车有限公司 | Counter torque assembly and electric torque device |
-
2019
- 2019-03-08 CN CN201920297822.9U patent/CN209665233U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935779A (en) * | 2021-02-17 | 2021-06-11 | 崔联 | Method for quickly screwing out screw |
| CN112935779B (en) * | 2021-02-17 | 2023-12-05 | 新疆天悦兴隆建筑安装工程有限公司 | Method for quickly screwing out screw |
| CN114102500A (en) * | 2021-11-12 | 2022-03-01 | 东风柳州汽车有限公司 | Counter torque assembly and electric torque device |
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Granted publication date: 20191122 |