CN110206930A - The automatic limiting mechanism of Electric Actuator - Google Patents
The automatic limiting mechanism of Electric Actuator Download PDFInfo
- Publication number
- CN110206930A CN110206930A CN201910398327.1A CN201910398327A CN110206930A CN 110206930 A CN110206930 A CN 110206930A CN 201910398327 A CN201910398327 A CN 201910398327A CN 110206930 A CN110206930 A CN 110206930A
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- Prior art keywords
- gear
- arm
- force
- electric actuator
- rack
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Classifications
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
- F16K31/048—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means with torque limiters
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates in the Electric Actuator field of industrial application, more particularly to a kind of automatic limiting mechanism of Electric Actuator, including shell, input shaft, driving gear, rack gear, transmission gear, output shaft, slide groove, spring, fixing seat, pressure limited block, the arm of force and limit switch；Transmission gear is fixed on output shaft, and output shaft is fixed on shell by bearing and bearing block；Fixing seat connection output shaft and the outside for being fixed on shell, the inside of fixing seat are equipped with the groove that bolt is able to carry out 360 degree of movements, and limited block is forced to be fixed in fixing seat；The arm of force is being forced on the outside of limited block and is being fixed on output the tip of the axis；It forces to fix limit switch on limited block, forces limited block and limit switch is respectively two, two limits that two limit switches are separately positioned in arm of force rotation contact with the arm of force and cut off electrical source of power.It is accurate that the present invention is suitable for any angle customization, Electric Actuator opening and closing between 0 to 360 degree.
Description
Technical field
The present invention relates in the Electric Actuator field of industrial application, more particularly to a kind of automatic spacing of Electric Actuator
Mechanism.
Background technique
Electric Actuator is mainly used in the electromechanical integration equipment of field of industrial automatic control, is usually used in valve opening and closing,
Structure is more complicated, including motor, deceleration mechanism, torque stroke limiting stop, excessively torque protection mechanism etc., is related to electric field
Protection scope is more, and mechanical position limitation is all mandatory position limitation protection, and existing pressure position-limit mechanism will lead to motor and speed reducer structure
Excessive damage is similarly that electic protection is also easy to produce failure, or causes under the direct failure state of electic protection
Motor and speed reducer structure damage even motor is burnt, the arm of force of Electric Actuator reach the limit of lack behind position safely, effectively, can
The machine automatization position-limit mechanism leaned on.
For this purpose, some solutions are proposed, for example, utility model patent number in Chinese patent literature
ZL201621248656.6 discloses " a kind of mechanical stop limiter of Electric Actuator output shaft ", solves Electric Actuator machine
The self-protection of tool limit, but there are some defects for the technical solution of the document: wherein in document [0004] content
" input shaft 1 engages connection deboost axle 2 by gear, and gear 7 is arranged in deboost axle, and manual engagement gear 11 and tooth is arranged in output shaft
V-type rack gear 9 is arranged among gear 7 and gear 10 for wheel 10, and the V-type rack gear 9 is set as double cog, respectively with gear 7 and defeated
Shaft gear 10 engages out, and gear 7 provides power transmission to gear 10 by the engagement connection of V-type rack gear 9, " setting in " input shaft
1 engages connection deboost axle 2 by gear, and gear 7 is arranged in deboost axle, and manual engagement gear 11 and gear 10 is arranged in output shaft 3, "
In [0006] in " output shaft 3 be arranged manual engagement gear 11 " and the document " gear of hand gear 12 on output shaft 3
The manual engagement gear 11 of setting engages." and pass through " Fig. 1 " and " Fig. 2 " comparison, " hand gear therein in the document
12 " settings are in " the engagement of manual engagement gear 11 being arranged on output shaft 3." it cannot achieve " manual " this function, because electronic
The deceleration mechanism of actuator has self-locking function, this is very crucial function, and " output shaft setting manual engagement therein
" gear 10 " being arranged on gear 11 and gear 10 " can not effectively be divided with " gear 7 " on " gear 7 is arranged in deboost axle "
From, thus in the document [0006] " the manual engagement gear 11 being arranged on the gear of hand gear 12 and output shaft 3 is nibbled
It closes." setting " hand gear 12 " is invalid setting, it can be seen that the above-mentioned setting of the document belongs to design defect, this is
One；Secondly lacking the pressure position-limit mechanism after stroke reaches capacity in the document, because there is the equipment being much performed not have
Have setting force limit function, stroke open or closed position reach capacity after in special operating environment state due in equipment
Resonance, pressure and air-flow effect cause the position of setting that can in a disguised form be displaced, however the comprehensive setting in above-mentioned document belongs to
It is limited in machine automatization, it is possible to understand that be that " manual engagement gear 11 and gear is arranged in output shaft 3 in the document [0004]
10, " there is no self-locking function, so being disengaged from rear " gear 10 " under the effect of external force very at " gear 10 " and " V-type rack gear 9 "
Being easy to continue rotation leads to that preset stroke opens or closed position generates displacement, once stroke open or closed position changes, will
It can not be directly returned to preset position.
Summary of the invention
The purpose of the present invention is in view of the above problems, according to utility model patent number in Chinese patent literature
ZL201621248656.6 discloses the segmentation scheme of [0004] in " a kind of mechanical stop limiter of Electric Actuator output shaft ",
The automatic limiting mechanism of Electric Actuator is provided, solves portion of techniques defect existing for current Electric Actuator；
To achieve the above object, the technical solution that the present invention passes through are as follows: the automatic limiting mechanism of Electric Actuator comprising shell
Body, input shaft, driving gear, rack gear, transmission gear, output shaft, slide groove, spring, fixing seat, force limited block, the arm of force and
Limit switch；
Input shaft is run through in the shell side, and the deceleration mechanism of the input axis connection Electric Actuator is set on the input shaft
There is driving gear, the lower part of the driving gear is equipped with rack gear, and the lower part of the rack gear is equipped with transmission gear, the rack gear setting
For double cog, upper part tooth is engaged with driving gear, and its underpart tooth is engaged with transmission gear；
The transmission gear is fixed on output shaft, and the output shaft runs through and is fixed on shell by bearing and bearing block
On；
The two sides of the rack gear are equipped with slide groove, and the slide groove is fixed on the two sides of shell, the two sides of the rack gear and slideway
Slideway is equipped between slot；The beginning of the rack gear and end are respectively provided with a spring, and the both ends of rack gear with it is corresponding
Certain distance is set between spring, and the spring is fixed on corresponding shell；
The fixing seat is connected to output shaft and is fixed on the outside of shell, and fixing seat is circle, and the inside of the fixing seat is set
There is bolt to be able to carry out the groove of 360 degree of movements, the pressure limited block is bolted in fixing seat；The arm of force exists
It forces on the outside of limited block and is fixed on output the tip of the axis；
Wherein, limit switch is fixed on the pressure limited block, the pressure limited block and limit switch are respectively two, described two
Two limits that a limit switch is separately positioned in arm of force rotation contact with the arm of force and cut off electrical source of power；
Another scheme, the both ends of slide groove can also be arranged in the limit switch, and reciprocate to actively in rack gear
Predeterminated position is contacted with the beginning of rack gear or end and cuts off electrical source of power before gear and transmission gear are disengaged from；
Wherein, when the input shaft rotates, beginning of the driving gear with carry-over bar is moved in slide groove by slideway,
Lower teeth with hour rack drives the transmission gear rotation engaged, and the beginning of the rack gear squeezes correspondence in moving process
Spring, in the state of cancelling limit switch protection, the end of the rack gear is moved to de- with driving gear and transmission gear
When from engagement, the end of the rack gear is contacted with driving gear and transmission gear always under the reaction force of spring；Actively
When gear stops rotating, the reaction force of the spring push the top tooth of rack gear end, lower teeth respectively with driving gear and
Transmission gear engages again.
Further, described two that limited block is forced to be separately fixed at A extreme position and B extreme position in arm of force rotation
It is contacted with the arm of force.
Further, two limits of the limit switch are respectively A limit and B limit.
Further, the A extreme position of the arm of force is the arm of force driving gear and transmission gear and tooth in A restraining position
The position that beginning is disengaged from, the B extreme position of the arm of force be the arm of force B restraining position hour rack end movement to
The position that driving gear and transmission gear are disengaged from.
Further, the A limit of the limit switch is before being disengaged from driving gear and driving cog wheel and rack beginning
Predeterminated position, the limit switch B limit be rack gear end movement is disengaged to driving gear and transmission gear
Preceding position.
Based on the above-mentioned technical proposal, the A limit of heretofore described limit switch can be set in driving cog wheel and rack
Beginning be disengaged from after any position, stroke will not change.
Further, the limit switch changes limit with the change in location for forcing limited block and adjusts.
Further, the quantitative proportion for the tooth that the stroke of the arm of force is engaged by the lower teeth and transmission gear of rack gear distributes
It determines.
Further, based on the above-mentioned technical proposal, the present invention program can be used as a collocation mechanism of Electric Actuator
It uses, also can connect motor, speed reducer and configure certain electrical control system and hand gear group becomes a kind of electronic
Actuator is used alone.
The present invention compared with the existing technology, has the advantage that
1. the present invention has independent machine security performance, accomplish the safety of driving motor and deceleration mechanism 100%.
2. it is accurate that the present invention is suitable for any angle customization, Electric Actuator opening and closing between 0 to 360 degree.
3. the arm of force in the present invention is simple, reliable with the connecting rod connection type for being performed equipment, the arm of force can be any
Position is connect with the connecting rod for being performed equipment.
4. the stroke adjustment that the limit switch and pressure limited block integral type fixed structure in the present invention make limit switch
Simply, practical.
5. the present invention program bearing capacity is high, should not damage, convenience easy to maintenance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the A direction view of Fig. 1 in the embodiment of the present invention.
Fig. 3 is the B-B cross-sectional view of Fig. 1 in the embodiment of the present invention.
Fig. 4 is the C-C cross-sectional view of Fig. 3 in the embodiment of the present invention.
Marked in the figure: 1, shell, 2, input shaft, 3, driving gear, 4, rack gear, 5, transmission gear, 6, output shaft, 7, cunning
Road slot, 8, spring, 9, fixing seat, 10, pressure limited block, 11, limit switch, 12, the arm of force, 13, slideway.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawing, as shown in Figure 1, Figure 2, Figure 3, Figure 4: Electric Actuator
Automatic limiting mechanism, this programme illustrates that embodiment is embodied by taking the distance electric executor of angle as an example, including shell 1, defeated
Enter axis 2, driving gear 3, rack gear 4, transmission gear 5, output shaft 6, slide groove 7, spring 8, fixing seat 9, force limited block 10, power
Arm 12 and limit switch 11.
The predeterminated position of 1 side of shell runs through input shaft 2, and 2 beginning of the input shaft connection Electric Actuator subtracts
Fast mechanism, deceleration mechanism are that input shaft 2 provides power, and driving gear 3 is fixedly connected on the end of input shaft 2, driving gear 3
Lower part is equipped with rack gear 4, and the rack gear 4 is set as double cog, and upper part tooth is engaged with driving gear 3, and the lower part of the rack gear 4 is set
There is transmission gear 5, and the lower teeth of rack gear 4 is engaged with transmission gear 5, wherein the transmission gear 5 is fixed on output shaft 6
On, the output shaft 6 is fixed on corresponding shell 1 through shell 1 by bearing and bearing block.
Slideway 13 is equipped between the two sides and slide groove 7 of the rack gear 4, the slideway 13 is preferably arranged to one with rack gear 4
Body structure, can also be used the fixed structure of other way, and the slideway 13 drives and guides rack gear 4 in the slide groove of two sides
Do straight reciprocating motion in 7, the beginning of the rack gear 4 and end are respectively provided with a spring 8, and the both ends of rack gear 4 with
Certain distance is set between corresponding spring 8, guarantees that rack gear 4 completes set action, the spring 8 is fixed on corresponding shell 1
On.
The fixing seat 9 is connected to output shaft 6 and is fixed on the outside of corresponding shell 1, and the fixing seat 9 is circle,
Wherein the inside of fixing seat 9 is equipped with the groove that bolt is able to carry out 360 degree of movements；The pressure limited block 10 is bolted
In fixing seat 9, the end forced 10 outside of limited block and be fixed on output shaft 6, the output is arranged in the arm of force 12
The rotation of axis 6 drives the rotation of the arm of force 12, while the arm of force 12 drives the equipment being performed to complete preset movement.
Wherein, the pressure limited block 10 is two, and two are forced limited block 10 to be separately fixed at the A in the rotation of the arm of force 12
Extreme position and B extreme position contact with the arm of force 12 and force the scope of activities of the limitation arm of force 12.
In order to facilitate the adjusting of limit, limit switch 11 is fixed on the pressure limited block 10, the limit switch 11 is
Two, the A limit and B limit that two limit switches 11 are separately positioned in the rotation of the arm of force 12 contact with the arm of force 12 and cut off power
Power supply.
Wherein, the A extreme position of the arm of force 12 be the arm of force 12 in A restraining position driving gear 3 and transmission gear 5 with
The position that 4 beginning of rack gear is disengaged from, the B extreme position of the arm of force 12 are the arm of force 12 in the end of B restraining position hour rack 4
Move to the position being disengaged from driving gear 3 and transmission gear 5.
Wherein, the A limit of the limit switch 11 is before driving gear 3 and transmission gear 5 are disengaged from 4 beginning of rack gear
Predeterminated position, the B limit of the limit switch 11 is that the end movement of rack gear 4 is arrived and is detached from driving gear 3 and transmission gear 5
Position before engagement.
Likewise, the A limit of the arm of force 12 can be set after the beginning of rack gear 4 and transmission gear 5 are disengaged from
The stroke of any position, rotation will not change；Furtherly, the beginning of the rack gear 4 is disengaged from transmission gear 5
Afterwards, the arm of force 12 can 360 degree of any positions be performed equipment be attached as limit switch 11 A limit position
It sets, the stroke and angle of setting will not change, and install simply, accurately.
The quantitative proportion distribution for the tooth that the stroke of the arm of force 12 is engaged by the lower teeth and transmission gear 5 of rack gear 4 determines.
Another scheme, described two limit switches 11 can also be separately positioned on the predeterminated position at the both ends of slide groove 7,
And default position of described two limit switches 11 before rack gear 4 reciprocates to driving gear 3 and transmission gear 5 is disengaged from
It sets and is contacted with the beginning of rack gear 4 or end and cut off electrical source of power.
Wherein, when the input shaft 2 rotates, the rotation of driving gear 3 drives the beginning of the rack gear 4 of engagement to pass through two
The slideway 13 of side moves linearly in slide groove 7, and the lower teeth with hour rack 4 drives the transmission gear 5 engaged to rotate, tooth
The beginning of item 4 squeezes corresponding spring 8 in moving process, and the spring 8 generates the reaction force to rack gear 4, limits cancelling
In the state that bit switch 11 is protected, the end of rack gear 4 is moved to when being disengaged from driving gear 3 and transmission gear 5, described strong
Limited block 10 processed contacts with the arm of force 12 and the limitation arm of force 12 is forced no longer to move；End with hour rack 4 is in above-mentioned spring 8
It is contacted always with driving gear 3 and transmission gear 5 under reaction force, in the case where driving gear 3 does not stop rotating, the master
One tooth of the upper contact of the tooth and rack gear 4 of moving gear 3 does light touch friction and produces regular sound, to accomplish rack gear 4
The tooth for reaching the extreme position rear drive gear 3 of the arm of force is automatically disengaged with rack gear 4 to be engaged, at this point, motor and speed reducer structure continues
It rotates and does not injure motor and speed reducer structure；When driving gear 3 stops rotating, the reaction force of the spring 8 pushes tooth
The top tooth of 4 end of item, lower teeth are engaged with driving gear 3 and transmission gear 5 again respectively, and the driving gear 3 restores just
Normal driving condition accomplishes that the deceleration mechanism of the Electric Actuator of connection driving input shaft 2 or other electric devices are not limiting
100% opening and closing safety in the state of the protection of bit switch 11.
Based on the above-mentioned technical proposal, the input shaft 2 can connect motor, speed reducer and preset electrical control system with
And hand gear group is used alone as a kind of Electric Actuator.
Its working principle: this programme illustrates that the slowing-down structure of Electric Actuator is rotated by taking the distance electric executor of angle as an example
Band driven input shaft 2 rotates, and input shaft 2 drives driving gear 3 to rotate, while the rotation of driving gear 3 drives opening for the rack gear 4 of engagement
End is moved linearly in slide groove 7 by slideway 13, and the lower teeth with hour rack 4 drives the transmission gear 5 engaged together to revolve
Turn, transmission gear 5 drives output shaft 6 and the arm of force 12 to rotate from A restraining position, and the beginning of rack gear 4 squeezes it in moving process
Corresponding spring 8, the spring 8 generate the reaction force to rack gear 4, are moved to the arm of force in the end of rack gear 4 and reach 90 degree of positions
When setting, limit switch 11 contacts the arm of force 12 and cuts off electrical source of power；In the state of cancelling the protection of limit switch 11, driving tooth
Wheel 3 continues to rotate, and is disengaged from when the end of rack gear 4 is moved to B extreme position with driving gear 3 and transmission gear 5, at this point,
The pressure limited block 10 contacts with the arm of force 12 and the limitation arm of force 12 is forced no longer to move；End with hour rack 4 is above-mentioned
It is contacted always with driving gear 3 and transmission gear 5 under the reaction force of spring 8, the case where driving gear 3 does not stop rotating
Under, a tooth of the upper contact of the tooth and rack gear 4 of the driving gear 3 does light touch friction and produces regular sound, thus
Accomplish that rack gear 4 reaches the tooth of the B extreme position rear drive gear 3 of the arm of force and automatically disengages and engage with rack gear 4, at this point, motor and subtracting
Fast mechanism continues to rotate and does not injure motor and speed reducer structure；When driving gear 3 stops rotating, the anti-work of the spring 8
Enforce the top tooth of 4 end of rack gear, lower teeth is engaged with driving gear 3 and transmission gear 5 again respectively, the normal drive of recovery
Dynamic state, and the A for completing Electric Actuator setting limits the automatic spacing limited to B；When input shaft 2 is reversely rotated
When, same sequence of operations completes Electric Actuator B and limits the automatic spacing limited to A, accomplishes that Electric Actuator is opened in limit
Reach the safety of the motor and speed reducer structure 100% of operation in the case where closing failure.
Finally, it is stated that: the foregoing is merely currently preferred specific embodiment, the embodiment is merely to illustrate
Technical solution of the present invention, rather than the limitation to other forms；Although having been carried out referring to above-described embodiment to the present invention detailed
Illustrate, those skilled in the art should understand that, technical solution illustrated in the above embodiments can still be carried out
Modification, or part of or even all technical features are equivalently replaced, and these are modified or replaceed, and are not made corresponding
The essence of technical solution is detached from technical solution of the present invention range；Protection scope of the present invention is not so limited, any to be based on
The equivalent transformation of technical solution of the present invention and modification belong to the protection scope of technical solution of the present invention.
Claims (10)
1. the automatic limiting mechanism of Electric Actuator, which is characterized in that including shell, input shaft, driving gear, rack gear, transmission
Gear, slide groove, spring, fixing seat, forces limited block, the arm of force and limit switch at output shaft；
Input shaft is run through in the shell side, and the deceleration mechanism of the input axis connection Electric Actuator is set on the input shaft
There is driving gear, the lower part of the driving gear is equipped with rack gear, and the lower part of the rack gear is equipped with transmission gear, the rack gear setting
For double cog, upper part tooth is engaged with driving gear, and its underpart tooth is engaged with transmission gear；
The transmission gear is fixed on output shaft, and the output shaft runs through and is fixed on shell by bearing and bearing block
On；
The two sides of the rack gear are equipped with slide groove, and the slide groove is fixed on the two sides of shell, the two sides of the rack gear and slideway
Slideway is equipped between slot；The beginning of the rack gear and end are respectively provided with a spring, and the both ends of rack gear and corresponding spring
Between certain distance is set, the spring is fixed on corresponding shell；
The fixing seat is connected to output shaft and is fixed on the outside of shell, and fixing seat is circle, and the inside of the fixing seat is set
There is bolt to be able to carry out the groove of 360 degree of movements, the pressure limited block is fixed in fixing seat；The arm of force is being forced to limit
On the outside of block and it is fixed on output the tip of the axis；
Limit switch is fixed on the pressure limited block, the pressure limited block and limit switch are respectively two, and two limits are opened
Two limits being separately positioned in arm of force rotation are closed to contact with the arm of force and cut off electrical source of power.
2. the automatic limiting mechanism of Electric Actuator according to claim 1, which is characterized in that two pressure limited blocks point
The A extreme position and B extreme position not being fixed in arm of force rotation are contacted with the arm of force.
3. the automatic limiting mechanism of Electric Actuator according to claim 1, which is characterized in that the two of the limit switch
A limit is respectively A limit and B limit.
4. the automatic limiting mechanism of Electric Actuator according to claim 1 or 2 or 3, which is characterized in that the arm of force
A extreme position is the arm of force position that driving gear and driving cog wheel and rack beginning are disengaged from A restraining position, the power
The B extreme position of arm is that the arm of force is disengaged from the end movement of B restraining position hour rack to driving gear and transmission gear
Position.
5. the automatic limiting mechanism of Electric Actuator according to claim 1 or 3, which is characterized in that the limit switch
A limit be predeterminated position before being disengaged from driving gear and driving cog wheel and rack beginning, the B limit of the limit switch
For position of the end movement to before being disengaged from driving gear and transmission gear of rack gear.
6. the automatic limiting mechanism of Electric Actuator according to claim 1, which is characterized in that the limit switch with
It forces the change in location of limited block and changes limit and adjust.
7. the automatic limiting mechanism of Electric Actuator according to claim 1, which is characterized in that the limit switch may be used also
The both ends of slide groove, and the predeterminated position before rack gear reciprocates to driving gear and transmission gear is disengaged from is arranged in
It is contacted with the beginning of rack gear or end and cuts off electrical source of power.
8. the automatic limiting mechanism of Electric Actuator according to claim 1, which is characterized in that the input shaft rotation
When, beginning of the driving gear with carry-over bar is moved in slide groove by slideway, and the lower teeth with hour rack drives and it
The transmission gear of engagement rotates, and the beginning of the rack gear squeezes corresponding spring in moving process, protects cancelling limit switch
In the state of shield, the end of the rack gear is moved to when being disengaged from driving gear and transmission gear, the end of the rack gear
It is contacted always with driving gear and transmission gear under the reaction force of spring；When driving gear stops rotating, the spring
Reaction force push the top tooth of rack gear end, lower teeth to engage again with driving gear and transmission gear respectively.
9. the automatic limiting mechanism of Electric Actuator according to claim 1, which is characterized in that the stroke of the arm of force by
The quantitative proportion of the tooth of lower teeth and the transmission gear engagement of rack gear, which distributes, to be determined.
10. the automatic limiting mechanism of Electric Actuator described according to claim 1 or 2 or 4 or 5 or 7 or 8 or 9, feature exist
In, the automatic limiting mechanism is used as a collocation mechanism of Electric Actuator or the automatic limiting mechanism, motor,
Speed reducer and configuration electrical control system and hand gear group become Electric Actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398327.1A CN110206930A (en) | 2019-05-14 | 2019-05-14 | The automatic limiting mechanism of Electric Actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398327.1A CN110206930A (en) | 2019-05-14 | 2019-05-14 | The automatic limiting mechanism of Electric Actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206930A true CN110206930A (en) | 2019-09-06 |
Family
ID=67787131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910398327.1A Pending CN110206930A (en) | 2019-05-14 | 2019-05-14 | The automatic limiting mechanism of Electric Actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206930A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232739A (en) * | 2021-12-20 | 2022-03-25 | 中山东菱威力电器有限公司 | Gear transmission structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090392A (en) * | 2016-08-23 | 2016-11-09 | 宜昌船舶柴油机有限公司 | Servo-controlled valve |
| CN206347179U (en) * | 2016-11-16 | 2017-07-21 | 大连西力博机电设备科技有限公司 | A kind of mechanical stop limiter of YE output shaft |
| CN109340332A (en) * | 2018-12-11 | 2019-02-15 | 大连西力博机电设备科技有限公司 | Wheel and rack with slideway slot structure reciprocates to terminal automatic limit device |
| CN209925733U (en) * | 2019-05-14 | 2020-01-10 | 大连广的科技有限公司 | Automatic limiting mechanism of electric actuator |
-
2019
- 2019-05-14 CN CN201910398327.1A patent/CN110206930A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090392A (en) * | 2016-08-23 | 2016-11-09 | 宜昌船舶柴油机有限公司 | Servo-controlled valve |
| CN206347179U (en) * | 2016-11-16 | 2017-07-21 | 大连西力博机电设备科技有限公司 | A kind of mechanical stop limiter of YE output shaft |
| CN109340332A (en) * | 2018-12-11 | 2019-02-15 | 大连西力博机电设备科技有限公司 | Wheel and rack with slideway slot structure reciprocates to terminal automatic limit device |
| CN209925733U (en) * | 2019-05-14 | 2020-01-10 | 大连广的科技有限公司 | Automatic limiting mechanism of electric actuator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232739A (en) * | 2021-12-20 | 2022-03-25 | 中山东菱威力电器有限公司 | Gear transmission structure |
| CN114232739B (en) * | 2021-12-20 | 2024-04-09 | 广东威力电器有限公司 | Gear transmission structure |
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