CN207064783U - A kind of fork type angle stroke actuator - Google Patents
A kind of fork type angle stroke actuator Download PDFInfo
- Publication number
- CN207064783U CN207064783U CN201721018411.9U CN201721018411U CN207064783U CN 207064783 U CN207064783 U CN 207064783U CN 201721018411 U CN201721018411 U CN 201721018411U CN 207064783 U CN207064783 U CN 207064783U
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- China
- Prior art keywords
- cylinder
- housing
- restoring
- shift fork
- power
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- 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.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of fork type angle stroke actuator, including housing, the shift fork axle with housing hinge is provided with the housing, the shell one end is provided with power cylinder, the power boom end of the power cylinder is provided with the sliding block coordinated with the shift fork in shift fork axle, the housing is provided with restoring cylinder relative to the side of power cylinder, the sliding block is provided with a release link being communicated in restoring cylinder, reseting sleeve is provided with the restoring cylinder, the reseting sleeve is fixedly connected with resetting boom end, and the back-moving spring for release link to be withdrawn in restoring cylinder is cased with the reseting sleeve；The restoring cylinder inner chamber is provided with hydraulic cylinder relative to one end of housing, and the hydraulic cylinder is provided with the hydraulic stem that release link is ejected to restoring cylinder in elongation.The utility model in the case of source of the gas is lost when there is power-off, can on manual control hydraulic cylinder hydraulic stem stretching, be applicable to emergent occasion, reliable operation.
Description
Technical field
It the utility model is related to actuator field, and in particular to a kind of fork type angle stroke actuator.
Background technology
Shift fork type pneumatic actuator, it is a kind of journey piston actuator, is applicable the valve of 90 ° of corners（Such as ball valve, butterfly
Valve, plug valve）Switch cutoff or measure control.The transmission mechanism of pneumatic actuator has two kinds of pinion and-rack and fork type,
Shift fork type pneumatic actuator is to drive shift fork to rotate by the way that piston rod is for linear motion, and then drives main shaft or valve rod
Rotate.Shift fork type pneumatic actuator of the prior art, which mainly includes cylinder part and shift fork transmission parts, cylinder part, to be included
Cylinder, cylinder head, piston and piston rod, shift fork transmission parts include pull-fork assembly, main shaft and casing, and main shaft and pull-fork assembly are set
Put in casing, main shaft connects with body pivot, and pull-fork assembly is connected with piston rod.But existing fork type is pneumatically held
Row device is relatively elaborate in manual regulation, operation inconvenience.
In view of the above-mentioned problems, China Patent No. 201610537560.X discloses a kind of efficient shift fork type pneumatic actuator,
Its cylinder cavity is seal-installed on the side of casing, and the spring cavity is installed on the opposite side of casing, rotation is provided with casing
Turn cylinder, front end, the rear end of this rotor are respectively embedded into cabinet front plate, back plate each in through hole, rotor outer surface
It is front and rear vertically to be provided with preceding shift fork and rear shift fork；Cylinder cavity further comprises circular shell, is seal-installed on circular shell
Left end cap, right end cap, the circular piston plate in circular shell of both sides, pass through at least 3 between the left end cap, right end cap
Root stud bar is fixed；The spring cavity further comprises cylindrical shell, spring, spring lever and spring guide block, the cylinder
Shape housing one end opposite with casing is provided with end cap.
But above-mentioned patent can not often continue to run with the case where power failure runs out of steam source, thus use occasion by
Limitation.
Utility model content
Based on above mentioned problem, the utility model purpose is to provide a kind of compact-sized, can pass through hydraulic cylinder when power is off
The fork type angle stroke actuator of manual folding.
For problem above, there is provided following technical scheme：A kind of fork type angle stroke actuator, including housing, it is described
The shift fork axle with housing hinge is provided with housing, the shell one end is provided with power cylinder, and the power boom end of the power cylinder is set
There is the sliding block coordinated with the shift fork in shift fork axle, the housing is provided with restoring cylinder relative to the side of power cylinder, on the sliding block
Release link in restoring cylinder is communicated to provided with one, reseting sleeve is provided with the restoring cylinder, the reseting sleeve is consolidated with reset boom end
It is fixed to connect, the back-moving spring for release link to be withdrawn in restoring cylinder is cased with the reseting sleeve；The restoring cylinder inner chamber is relative
Hydraulic cylinder is provided with one end of housing, the hydraulic cylinder is provided with the hydraulic stem that release link is ejected to restoring cylinder in elongation.
In said structure, by setting hydraulic cylinder in restoring cylinder, band shift fork axle rotates during power cylinder normal work, simultaneously
Reseting sleeve is driven to move compression reseting spring accumulation of energy by release link, when power cylinder resets, back-moving spring promotes reseting sleeve to promote
Release link is set power cylinder is playbacked；When occurring having a power failure etc., emergency, power cylinder lose kinetic energy, by the hydraulic pressure for controlling hydraulic cylinder
Bar, which stretches out, promotes reseting sleeve to make back-moving spring accumulation of energy, and shift fork axle is rotated, it is necessary to only need to be by the liquid in hydraulic cylinder when resetting
Force feed release promotes reseting sleeve to playback using by back-moving spring, while hydraulic stem is pushed back in hydraulic cylinder.
The utility model is further arranged to, and the reseting sleeve is provided with annular elastomeric spring abutment, institute relative to one end of release link
State back-moving spring and be supported in annular elastomeric spring abutment and restoring cylinder inner chamber close to one end of housing.
The utility model is further arranged to, and the shift fork both sides are equipped with spacing preiection, and the housing is provided with two
Coordinate to offset with spacing preiection respectively and the stop screw of shift fork swing angle is limited with this.
, can be by controlling screw-in depth of the stop screw on housing to control the hunting range of shift fork in said structure.
The utility model is further arranged to, and the hydraulic cylinder is hydraulic jack.
In said structure, hydraulic jack has a whole set of oil circuit, only needs manual control action bars that hydraulic stem can be achieved
Stretching, and can then be promoted when bouncing back and resetted by back-moving spring.
The utility model is further arranged to, and the power cylinder is cylinder.
The beneficial effects of the utility model：The rotation of shift fork axle can be controlled during normal work by power cylinder, when breaking
In the case of losing source of the gas when electricity, can on manual control hydraulic cylinder hydraulic stem stretching, so as to control turning for shift fork axle
It is dynamic, emergent occasion is applicable to, reliable operation, hydraulic cylinder is hydraulic jack, has self-locking property, can prevent hydraulic stem from stretching out
The reversing reset in the presence of back-moving spring elastic force afterwards, make it can only be when needing to reset by hydraulic jack itself
Relief valve resets to control.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is structural representation when power cylinder of the present utility model does not work.
Structural representation when Fig. 3 is power cylinder operating compression back-moving spring of the present utility model.
Structural representation when Fig. 4 is Hydraulic Cylinder reseting sleeve of the present utility model.
Label implication in figure：10- housings；11- shift fork axles；111- shift forks；112- spacing preiections；12- stop screws；20-
Power cylinder；21- power rails；22- sliding blocks；30- restoring cylinders；31- release links；32- reseting sleeves；321- annular elastomeric spring abutments；33- resets
Spring；34- hydraulic cylinders；341- hydraulic stems.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Referring to figs. 1 to Fig. 4, a kind of fork type angle stroke actuator as shown in Figures 1 to 4, including housing 10, the shell
The shift fork axle 11 being hinged with housing 10 is provided with body 10, described one end of housing 10 is provided with power cylinder 20, and the power cylinder 20 moves
The end of power bar 21 is provided with coordinates the sliding block 22 for controlling shift fork axle 11 to rotate with this, the housing with the shift fork 111 in shift fork axle 11
10 are provided with restoring cylinder 30 relative to the side of power cylinder 20, and the sliding block 22 is provided with a release link being communicated in restoring cylinder 30
31, the restoring cylinder 30 is interior to be provided with reseting sleeve 32, and the reseting sleeve 32 is fixedly connected with the end of release link 31, the reseting sleeve 32
On be cased with for release link 31 to be withdrawn to the back-moving spring 33 in restoring cylinder 30；The inner chamber of restoring cylinder 30 is relative to housing 10
One end is provided with hydraulic cylinder 34, and the hydraulic cylinder 34 is provided with the hydraulic stem 341 that release link 31 is ejected to restoring cylinder 30 in elongation.
In said structure, pass through the band shift fork axle 11 in the interior setting hydraulic cylinder 34 of restoring cylinder 30,20 normal work of power cylinder
Rotate, while drive reseting sleeve 32 to move the accumulation of energy of compression reseting spring 33 by release link 31, when power cylinder 20 resets, reset
Spring 33 promotes reseting sleeve 32 to promote release link 31 power cylinder 20 is playbacked；When occurring having a power failure etc., emergency, power cylinder 20 lose
Kinetic energy is removed, promotes reseting sleeve 32 to make the accumulation of energy of back-moving spring 33, and shift fork by controlling the hydraulic stem 341 of hydraulic cylinder 34 to stretch out
Axle 11 is rotated, it is necessary to only the hydraulic oil release in hydraulic cylinder 34 need to be promoted into reset using by back-moving spring 33 when resetting
The playback of set 32, while hydraulic stem 341 is pushed back in hydraulic cylinder 34.
In the present embodiment, the reseting sleeve 32 is provided with annular elastomeric spring abutment 321, the reset relative to one end of release link 31
Spring 33 is supported in annular elastomeric spring abutment 321 and the inner chamber of restoring cylinder 30 close to one end of housing 10.
In the present embodiment, the both sides of shift fork 111 are equipped with spacing preiection 112, and the housing 10 is provided with two difference
Coordinate to offset with spacing preiection 112 and the stop screw 12 of the swing angle of shift fork 111 is limited with this.
, can be by controlling the screw-in depth of stop screw 12 on the housing 10 to control the pendulum of shift fork 111 in said structure
Dynamic scope.
In the present embodiment, the hydraulic cylinder 34 is hydraulic jack.
In said structure, hydraulic jack has a whole set of oil circuit, only needs manual control action bars that hydraulic stem can be achieved
341 stretching, and can then be promoted when bouncing back and resetted by back-moving spring 33.
In the present embodiment, the power cylinder 20 is cylinder.
The beneficial effects of the utility model：The rotation of shift fork axle 11 can be controlled during normal work by power cylinder 20, when going out
In the case of losing source of the gas when now powering off, can on manual control hydraulic cylinder 34 hydraulic stem 341 stretching, dialled so as to control
The rotation of fork shaft 11, emergent occasion is applicable to, reliable operation, hydraulic cylinder 34 is hydraulic jack, has self-locking property, can prevent
Only hydraulic stem 341 stretch out after in the presence of the elastic force of back-moving spring 33 reversing reset, make its can only need reset when lead to
The relief valve for crossing hydraulic jack itself resets to control.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification, above-mentioned vacation can also be made
If these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of fork type angle stroke actuator, including housing, the interior shift fork axle being provided with housing hinge of the housing, the shell
Body one end is provided with power cylinder, and the power boom end of the power cylinder is provided with the sliding block coordinated with the shift fork in shift fork axle, its feature
It is：The housing is provided with restoring cylinder relative to the side of power cylinder, and the sliding block is communicated to answering in restoring cylinder provided with one
Position bar, the restoring cylinder is interior to be provided with reseting sleeve, and the reseting sleeve is fixedly connected with resetting boom end, covered on the reseting sleeve useful
In the back-moving spring for withdrawing release link in restoring cylinder；The restoring cylinder inner chamber is provided with hydraulic cylinder, institute relative to one end of housing
State hydraulic cylinder and be provided with the hydraulic stem that release link is ejected to restoring cylinder in elongation.
A kind of 2. fork type angle stroke actuator according to claim 1, it is characterised in that：The reseting sleeve is relative to multiple
One end of position bar is provided with annular elastomeric spring abutment, and the back-moving spring is supported in annular elastomeric spring abutment and restoring cylinder inner chamber close to the one of housing
End.
A kind of 3. fork type angle stroke actuator according to claim 2, it is characterised in that：The shift fork both sides are equipped with
Spacing preiection, the housing coordinates to offset with spacing preiection respectively provided with two limits the spacing spiral shell of shift fork swing angle with this
Nail.
A kind of 4. fork type angle stroke actuator according to Claims 2 or 3, it is characterised in that：The hydraulic cylinder is liquid
Press jack.
A kind of 5. fork type angle stroke actuator according to claim 4, it is characterised in that：The power cylinder is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018411.9U CN207064783U (en) | 2017-08-15 | 2017-08-15 | A kind of fork type angle stroke actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721018411.9U CN207064783U (en) | 2017-08-15 | 2017-08-15 | A kind of fork type angle stroke actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064783U true CN207064783U (en) | 2018-03-02 |
Family
ID=61515729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721018411.9U Expired - Fee Related CN207064783U (en) | 2017-08-15 | 2017-08-15 | A kind of fork type angle stroke actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064783U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296263A (en) * | 2019-06-27 | 2019-10-01 | 爱诺阀门温州有限公司 | A kind of single-acting fork actuator |
| CN112555493A (en) * | 2020-12-07 | 2021-03-26 | 上海基恩自动化设备有限公司 | Corner resetting electro-hydraulic actuator and control method thereof, and closed-loop hydraulic circuit |
| CN112555492A (en) * | 2019-09-10 | 2021-03-26 | 山东奥博控制技术有限公司 | Hydraulic double-acting actuating mechanism with spring reset function |
-
2017
- 2017-08-15 CN CN201721018411.9U patent/CN207064783U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296263A (en) * | 2019-06-27 | 2019-10-01 | 爱诺阀门温州有限公司 | A kind of single-acting fork actuator |
| CN112555492A (en) * | 2019-09-10 | 2021-03-26 | 山东奥博控制技术有限公司 | Hydraulic double-acting actuating mechanism with spring reset function |
| CN112555493A (en) * | 2020-12-07 | 2021-03-26 | 上海基恩自动化设备有限公司 | Corner resetting electro-hydraulic actuator and control method thereof, and closed-loop hydraulic circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20190815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |