CN106438741A - Friction coupling suitable for electric screw press - Google Patents
Friction coupling suitable for electric screw press Download PDFInfo
- Publication number
- CN106438741A CN106438741A CN201610942816.5A CN201610942816A CN106438741A CN 106438741 A CN106438741 A CN 106438741A CN 201610942816 A CN201610942816 A CN 201610942816A CN 106438741 A CN106438741 A CN 106438741A
- Authority
- CN
- China
- Prior art keywords
- friction
- coupling
- coupler casing
- screw press
- electric screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/024—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces
- F16D7/025—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs
- F16D7/027—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with axially applied torque limiting friction surfaces with flat clutching surfaces, e.g. discs with multiple lamellae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
- F16D43/21—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
- F16D43/213—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces
- F16D43/215—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs
- F16D43/216—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs with multiple lamellae
Abstract
The invention discloses a friction coupling suitable for an electric screw press. The friction coupling comprises a coupling shell, an upper backing plate, a lower backing plate, a friction assembly located between the lower backing plate and the upper backing plate, spring seats connected to the periphery of the coupling shell and a spring group. The coupling shell comprises a fixed end and a free end back to the fixed end; a shaft hole for accommodating a motor shaft is formed in the free end; a groove is formed in the fixed end and is used for accommodating the friction assembly, the upper backing plate and the lower backing plate; and one end of a gear shaft is accommodated in the lower backing plate after penetrating through the upper backing plate and the friction assembly. The friction assembly is respectively connected to the coupling shell and the gear shaft through two ball spline pairs. The spring group is in a compressed state, one end of the spring group supports against the lower backing plate, and the other end of the spring group is connected to the spring seats after penetrating through the bottom of the groove.
Description
Technical field
The invention belongs to electric screw press correlative technology field, is applied to electric screw more particularly, to a kind of
The friction coupling of forcing press.
Background technology
Shaft coupling is the critical component in modern mechanical connection, it is adaptable to which the friction coupling of electric screw press is general
It is in transmission connection by the way of friction plate is fitted in gear both ends of the surface, as shown in Figure 1.The friction coupling is used for connecting gear
16 with motor shaft 30, which includes nut 12, disc spring 13, friction sleeve 14, friction plate 8, friction flange 15 and flat key 1, Motor torque
By the motor shaft 30, the friction sleeve 14 is delivered to by the flat key 1, the friction sleeve 14, the friction plate 8 and described
Friction flange 15 forms friction pair, the friction flange 15 and the gear in the presence of the disc spring 13 by screw-threaded coupling
16 end face is fixed together by mechanical parts and forms an entirety so that friction pair the moment of torsion of motor is passed to described
Gear 16.
Due to friction pair end contact directly with the gear 16, and friction pair can be produced greatly during transmitting torque
The frictional heat of amount so as to which the temperature of surrounding is drastically raised, so that the gear 16 for contacting is in the condition of high temperature, described
Easily occur under 16 hot soak condition of gear broken teeth, end face burnt situations such as, service life reduces, and gear needs often more
Change.The connected mode of the friction coupling causes the motor shaft 30 bear axial force and footpath when the gear 16 works
Xiang Li, higher to the performance requirement of motor during 30 stress of motor shaft complexity, cause relatively costly.Additionally, the friction connection
Axial organ can not perceive the size of institute's transmitting torque in time, it is impossible to carry out overload protection.
For the problems referred to above, the related personnel of this area has carried out some researchs, friction coupling as shown in Figure 2.Fig. 2
Shown friction coupling includes nut 12, holding screw 17, disc spring 13, two backing plates 18, friction components 19, coupler casing
5 and spline pair 11, wherein, cause compensation ability poor using disc spring 13, the friction component 19 easily causes transmission and loses after wearing and tearing
Effect, periodic maintenance is again cumbersome.The disc spring 13 and the friction component 19 are installed along with cavity, 13 meeting of the disc spring
Affected by 19 heating of the friction component and temperature change is caused, cause spring force that change is produced, and then cause transmitting torque change
Change.Additionally, compressing the disc spring 13 using screw thread pair, the anthropic factor of the decrement of the disc spring 13 is larger, and due to place
In frequent rotating and all standing operating mode, though there is locking measures, its loosening can not be absolutely avoided, and is difficult detection and ties up
Shield, less is used in electric screw press.
Content of the invention
Disadvantages described above or Improvement requirement for prior art, the invention provides a kind of be applied to electric screw press
Friction coupling, its work characteristics based on friction coupling, between part for the friction coupling and part
Annexation is designed.The friction component of the friction coupling is connected to coupler casing by two spline pairs
And gear shaft, the gear of the gear shaft being connected to away from high-temperature region, improve the working environment of gear, reduces gear and break
The situation of the burnt and broken teeth in face, extends the service life of gear；Gear shaft and motor shaft are connected by friction coupling, is improved
The stressing conditions of motor shaft, make motor shaft stress single, reduce the requirement to motor performance, reduce cost；Steel disc with
The alternately laminated setting of friction plate, is allowed to when overload torque is born, and produces slip between the steel disc and the friction plate, so as to
Realize overload protection；Groups of springs adopts cylindrically coiled spring, reduces the maintenance times in friction component normal service life.This
Outward, the cylindrically coiled spring only one end is housed in coupler casing, and the other end is exposed to outside coupler casing, is conducive to dissipating
Heat is good.
For achieving the above object, the invention provides a kind of friction coupling suitable for electric screw press, its use
In connection motor shaft and gear shaft, the friction coupling include coupler casing, be housed in upper in the coupler casing
Backing plate, lower bolster and the friction component between the lower bolster and the upper padding plate, it is connected to the coupler casing
The spring base of periphery and groups of springs, it is characterised in that：
The coupler casing includes fixing end and the free end opposite with the fixing end, and the free end offers axle
Hole, the axis hole is used for housing the motor shaft, and the motor shaft is connected with the coupler casing by flat key pair；Described
Fixing end open up fluted, the groove be used for house the friction component, the upper padding plate and the lower bolster, the gear
One end of axle is contained in the lower bolster through after the upper padding plate and the friction component；
The friction component is connected to the coupler casing and the gear shaft by two spline pairs, described rubs
Brush assembly includes multiple friction plates and multiple steel discs with the alternately laminated setting of multiple friction plates respectively, the upper padding plate with
The lower bolster is offseted with the steel disc respectively；
The elasticity group is in compressive state, and its one end is offseted with the lower bolster, and the other end is through the groove
The spring base is connected to behind bottom surface；Described in elastic compression of the elasticity group produced by compressing, friction component is so that described rub
Brush assembly produces moment of friction, and then the power of the motor shaft is passed to the gear shaft.
Further, the steel disc and the friction plate are all annular in shape, and the outward flange of multiple steel discs is by corresponding
The spline pair is connected with the coupler casing.
Further, the inward flange of multiple friction plates is connected with the gear shaft by the corresponding friction pair
Connect；When the moment of torsion transmitted by the friction component is more than the peak torque that the friction component can bear, the steel disc with
Slip is produced between the friction plate, to realize the overload protection to being connected to the mechanical parts of the friction member.
Further, the groups of springs includes two cylindrically coiled springs, and the quantity of the spring base is two；Two institutes
State one end of cylindrically coiled spring and the lower bolster offsets, the other end is connected to two spring bases.
Further, the fixing end and the spring base all offer flat key groove；The friction coupling also includes to put down
Key, the flat key is contained in the corresponding two flat key grooves, to limit the fortune between the fixing end and the spring base
Dynamic.
Further, on the outside of the spring base and the fixing end, baffle ring groove is all offered, the friction coupling is also wrapped
Split baffle ring is included, the split baffle ring is contained in the corresponding two baffle ring grooves.
Further, the inwall of the groove offers circlip groove, and the friction coupling also includes back-up ring, the back-up ring
It is contained in the circlip groove, which closes on the upper padding plate and arranges for bearing upper padding plate power upwards and being transmitted
To the coupler casing.
In general, by the contemplated above technical scheme of the present invention compared with prior art, what the present invention was provided is suitable
For the friction coupling of electric screw press, its friction component by two spline pairs be connected to coupler casing and
Gear shaft, is connected to the gear of the gear shaft away from high-temperature region, improves the working environment of gear, reduce gear section
The situation of burnt and broken teeth, extends the service life of gear；Gear shaft and motor shaft are connected by friction coupling, is improved
The stressing conditions of motor shaft, make motor shaft stress single, reduce the requirement to motor performance, reduce cost；Steel disc with rub
The alternately laminated setting of pad, is allowed to when overload torque is born, and produces slip, so as to reality between the steel disc and the friction plate
Existing overload protection；Groups of springs adopts cylindrically coiled spring, reduces the maintenance times in friction component normal service life.This
Outward, the cylindrically coiled spring only one end is housed in coupler casing, and the other end is exposed to outside coupler casing, is conducive to dissipating
Heat is good.
Description of the drawings
Fig. 1 be prior art a kind of friction coupling in use state when sectional view.
Fig. 2 be prior art another kind of friction coupling in use state when sectional view.
Fig. 3 is that the friction coupling suitable for electric screw press that better embodiment of the present invention is provided is in use
Sectional view during state.
In all of the figs, identical reference is used for representing identical element or structure, wherein：1- flat key, 2- pair
Open baffle ring, 3- spring base, 4- groups of springs, 5- coupler casing, 6- lower bolster, 7- steel disc, 8- friction plate, 9- upper padding plate, 10- gear
Circle, 11- spline pair, 12- nut, 13- disc spring, 14- friction sleeve, 15- friction flange, 16- gear, 17- holding screw, 18- pad
Plate, 19- friction component, 20- gear shaft, 30- motor shaft.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, involved technical characteristic in each embodiment of invention described below
Do not constitute conflict each other can just be mutually combined.
Refer to Fig. 3, the friction coupling suitable for electric screw press that better embodiment of the present invention is provided, its
For connecting motor shaft and gear shaft, the moment of torsion of the motor is passed to the gear for being connected to the gear shaft, and institute can be made
High-temperature region of the gear away from friction pair is stated, and overload protection is formed to gear, the stress of motor shaft can also be changed, reduce to electricity
The performance requirement of machine, while with the longer and lower-cost feature of service life.
The friction coupling includes coupler casing 5, the lower bolster 6 being contained in the coupler casing 5, friction group
Part, upper padding plate 9 and back-up ring 10, the spring base 3 for being connected to the coupler casing 5, the connection lower bolster 6 and the spring base
3 groups of springs 4, it is contained in the spring base 3 and the split baffle ring 2 in the coupler casing 5 and flat key 1.
The coupler casing 5 is T-shaped, and which includes fixing end and the free end opposite with the fixing end, the fixation
End offer axis hole, offer keyway on the inwall of the axis hole, the keyway be used for motor shaft 30 on keyway and key-shaped
Become flat key pair so that the motor shaft 30 and the coupler casing 5 are connected.The free end is offered and the axis hole phase
The groove of connection, the groove is used for housing the back-up ring 10, the friction component, the upper padding plate 9 and the lower bolster 6.
The cell wall of the groove offers circlip groove near the position of notch, and the circlip groove is used for housing the back-up ring 10, the gear
Circle 10 closes on the upper padding plate 9 and arranges.The back-up ring 10 is used for bearing the power upwards of the upper padding plate 9 and passing to the shaft coupling
Device shell 5.
In present embodiment, the stage portion of the coupler casing 5 is further opened with two through holes, in two through holes
Heart axle is parallel to each other with the central shaft of the axis hole；And two through holes are with respect to the central shaft pair of the coupler casing 5
Claim；It is appreciated that in other embodiments, the quantity of the through hole can increase according to actual needs or reduce.
The upper padding plate 9 and 6 interval setting of the lower bolster, both are used for protecting the friction component and by the spring
The power of group 4 passes to the friction component so that the friction component is compacted and form moment of friction, and then will be from described
The driving power of motor shaft 30 passes to gear shaft 20 by the coupler casing 5 and the friction component.Present embodiment
In, the upper padding plate 9, the lower bolster 6 and the friction component are all annular in shape, and one end of the gear shaft 20 is passed through on described
The lower bolster 6 is contained in after backing plate 9 and the friction component.
The friction component is Wei Yu the upper padding plate 9 and the lower bolster 6 between, and which includes to alternate and is stacked
Multiple steel discs 7 and multiple friction plates 8, the both sides of the friction component are the steel disc 7.The upper padding plate 9 and the underlay
Plate 6 is offseted with the steel disc 7 for being located at the friction component both sides respectively.The friction component is by two spline pairs respectively
It is connected with the gear shaft 20 and the coupler casing 5.The friction component is by the outer rim of the steel disc 7 and corresponding
Spline pair is connected with the coupler casing 5, meanwhile, the friction component is by the edge of the friction plate 8 and corresponding
Spline pair is connected with the gear shaft 20.
In present embodiment, the quantity of the steel disc 7 is 11, and the quantity of the friction plate 8 is 10, it will be understood that
True in other embodiment, the quantity of the quantity of the steel disc 7 and the friction plate 8 all can increase according to actual needs or
Reduce；
The quantity of the spring base 3 is two, and two spring bases 3 are connected on the periphery of the fixing end.
The position of two spring bases 3 is corresponding with the position of two through holes respectively.Outside the spring base 3 and the fixing end
Side all offers baffle ring groove, and the split baffle ring 2 is contained in the corresponding two baffle ring grooves；The fixing end and the bullet
Spring abutment 3 all offers flat key groove, and the flat key 1 is contained in the corresponding two flat key grooves, with limit the fixing end with
Motion between the spring base 3.
The groups of springs 4 is in compressive state, and which includes cylindrically coiled spring, and one end of the cylindrically coiled spring passes through
Offset with the lower bolster 6 after the through hole, the other end is connected to the spring base 3.In present embodiment, the cylinder spiral shell
The quantity of rotation spring is two, it will be understood that in other embodiments, the quantity of the cylindrically coiled spring can be according to reality
Border needs to increase or reduces；The decrement of the cylindrically coiled spring is designed according to actual needs, during use no
Need adjustment.The cylindrically coiled spring is in the range of certain length, and the change of its elastic force is less, it is ensured that the friction component
In the case of normal wear, the moment of friction of the friction component does not interfere with use, and then reduces the friction component just
Maintenance times in normal service life.Additionally, only one end of the cylindrically coiled spring is contained in the coupler casing 5
Interior, remainder is all exposed to outside the coupler casing 5, is conducive to radiating so that the cylindrically coiled spring will not be received
There is the change of elastic force to the heating impact of friction component, in turn result in the change of driving torque.
In present embodiment, the friction component adopts Dry Friction Materials, is combined by varying number friction plate, designs
Different springs and adjustment correlated parts circumferential size are realized friction component and have different frictional force to change amount of spring compression
Square, to realize transmitting different size of moment of torsion.When the moment of torsion of transmission is more than the peak torque that the friction component can bear,
Slip is produced between the steel disc 7 and the friction plate 8, to realize the overload guarantor to the part being connected with the friction component
Shield.
During the friction coupling work, after motor is rotated, the motor shaft 30 is by the fixation of the coupler casing 5
The flat key pair at end is connected with the coupler casing 5 to drive the coupler casing 5 to rotate.The outward flange of the steel disc 7
Spline tooth be connected with the splined hole of the inwall of the coupler casing 5, the splined hole on the inward flange of the friction plate 8 with
Splined shaft on the gear shaft 20 is connected, and connects the gear shaft 20 and the coupler casing by the friction component
5, so that the gear shaft 20 is rotated with the coupler casing 5 under friction component connection, that is, pass through friction component
Realize between the gear shaft 20 of the connection of the coupler casing 5 and the motor shaft 30, limiting the transmission of moment of torsion.
In present embodiment, gear is separated with friction component so that the gear will not be subject to friction component due to rubbing
The high temperature impact for producing heat is wiped, the motor shaft only receives the active force from the coupler casing, and stress is single；Using cylinder
Helical spring, is not required to adjustment, with larger friction component wear-compensating ability, with assembling, safeguard simple feature.
The friction coupling suitable for electric screw press that the present invention is provided, its friction component passes through two spline pairs
Coupler casing and gear shaft is connected to, and the gear of the gear shaft is connected to away from high-temperature region, is improved gear
Working environment, reduces the situation of the burnt and broken teeth of gear section, extends the service life of gear；By friction coupling even
Gear shaft and motor shaft is connect, the stressing conditions of motor shaft are improved, make motor shaft stress single, reduce and motor performance is wanted
Ask, reduce cost；Steel disc and the alternately laminated setting of friction plate, are allowed to when overload torque is born, and the steel disc is rubbed with described
Slip is produced between pad, so as to realize overload protection；Groups of springs adopts cylindrically coiled spring, and reducing friction component normally makes
With the maintenance times in the life-span.Additionally, the cylindrically coiled spring only one end is housed in coupler casing, the other end is exposed to
Outside coupler casing, be conducive to radiating good.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not in order to
The restriction present invention, all any modification, equivalent and improvement that is made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (7)
1. a kind of friction coupling suitable for electric screw press, which is used for connecting motor shaft and gear shaft, the friction
Shaft coupling include coupler casing, the upper padding plate being housed in the coupler casing, lower bolster and be located at the lower bolster and
Friction component between the upper padding plate, the spring base of periphery for being connected to the coupler casing and groups of springs, its feature exists
In：
The coupler casing includes fixing end and the free end opposite with the fixing end, and the free end offers axis hole,
The axis hole is used for housing the motor shaft, and the motor shaft is connected with the coupler casing by flat key pair；Described solid
Fixed end open up fluted, the groove be used for house the friction component, the upper padding plate and the lower bolster, the gear shaft
One end be contained in the lower bolster through after the upper padding plate and the friction component；
The friction component is connected to the coupler casing and the gear shaft, the friction group by two spline pairs
Part includes multiple friction plates and multiple steel discs with the alternately laminated setting of multiple friction plates respectively, the upper padding plate with described
Lower bolster is offseted with the steel disc respectively；
The elasticity group is in compressive state, and its one end is offseted with the lower bolster, and the other end is through the bottom surface of the groove
After be connected to the spring base；Described in elastic compression of the elasticity group produced by compressing, friction component is so that the friction group
Part produces moment of friction, and then the power of the motor shaft is passed to the gear shaft.
2. the friction coupling of electric screw press is applied to as claimed in claim 1, it is characterised in that：The steel disc and
The friction plate is all annular in shape, and the outward flange of multiple steel discs is by the corresponding spline pair and the coupler casing phase
Connection.
3. the friction coupling of electric screw press is applied to as claimed in claim 2, it is characterised in that：Multiple described rub
The inward flange of pad is connected with the gear shaft by the corresponding friction pair；When the moment of torsion transmitted by the friction component
During the peak torque that can bear more than the friction component, slip is produced between the steel disc and the friction plate, to realize
To being connected to the overload protection of the mechanical parts of the friction member.
4. the friction coupling of electric screw press is applied to as claimed in claim 1, it is characterised in that：The groups of springs
Including two cylindrically coiled springs, the quantity of the spring base is two；One end of two cylindrically coiled springs with described
Lower bolster offsets, and the other end is connected to two spring bases.
5. the friction coupling of electric screw press is applied to as claimed in claim 4, it is characterised in that：The fixing end
And the spring base all offers flat key groove；The friction coupling also includes flat key, and the flat key is contained in corresponding two
In the flat key groove, to limit the motion between the fixing end and the spring base.
6. the friction coupling of electric screw press is applied to as claimed in claim 4, it is characterised in that：The spring base
And baffle ring groove on the outside of the fixing end, is all offered, the friction coupling also includes split baffle ring, and the split baffle ring is housed
In the corresponding two baffle ring grooves.
7. the friction coupling of electric screw press is applied to as claimed in claim 1, it is characterised in that：The groove
Inwall offers circlip groove, and the friction coupling also includes back-up ring, and the back-up ring is contained in the circlip groove, and which closes on institute
State upper padding plate to arrange for bearing upper padding plate power upwards and passing it to the coupler casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942816.5A CN106438741A (en) | 2016-10-26 | 2016-10-26 | Friction coupling suitable for electric screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610942816.5A CN106438741A (en) | 2016-10-26 | 2016-10-26 | Friction coupling suitable for electric screw press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438741A true CN106438741A (en) | 2017-02-22 |
Family
ID=58177593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610942816.5A Pending CN106438741A (en) | 2016-10-26 | 2016-10-26 | Friction coupling suitable for electric screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438741A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952536Y (en) * | 2006-06-04 | 2007-09-26 | 丁焰 | Friction type overload limit torque coupling |
| CN201916380U (en) * | 2010-11-03 | 2011-08-03 | 荣成锻压机床有限公司 | Friction type overload protection coupling |
| CN202901101U (en) * | 2012-10-09 | 2013-04-24 | 常州南车铁马科技实业有限公司 | Friction type torque-limiting clutch |
| CN103982563A (en) * | 2014-05-30 | 2014-08-13 | 武汉新威奇科技有限公司 | Friction coupling for electric screw press |
| CN205423629U (en) * | 2016-03-10 | 2016-08-03 | 徐州工程学院 | Stopper friction disc autosegregation device |
-
2016
- 2016-10-26 CN CN201610942816.5A patent/CN106438741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952536Y (en) * | 2006-06-04 | 2007-09-26 | 丁焰 | Friction type overload limit torque coupling |
| CN201916380U (en) * | 2010-11-03 | 2011-08-03 | 荣成锻压机床有限公司 | Friction type overload protection coupling |
| CN202901101U (en) * | 2012-10-09 | 2013-04-24 | 常州南车铁马科技实业有限公司 | Friction type torque-limiting clutch |
| CN103982563A (en) * | 2014-05-30 | 2014-08-13 | 武汉新威奇科技有限公司 | Friction coupling for electric screw press |
| CN205423629U (en) * | 2016-03-10 | 2016-08-03 | 徐州工程学院 | Stopper friction disc autosegregation device |
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