CN108413111A - Double-acting spring assist type actuator - Google Patents
Double-acting spring assist type actuator Download PDFInfo
- Publication number
- CN108413111A CN108413111A CN201810471582.XA CN201810471582A CN108413111A CN 108413111 A CN108413111 A CN 108413111A CN 201810471582 A CN201810471582 A CN 201810471582A CN 108413111 A CN108413111 A CN 108413111A
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- Prior art keywords
- spring
- actuator
- piston
- cylinder body
- double
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of double-acting spring assist type actuators, including actuator cylinder body, the actuator cylinder body is cylindrical, the inside of the actuator cylinder body is equipped with the piston that can be moved up and down, the resetting spring is arranged one group, the bottom of the upper capping offer with corresponding first spring groove of resetting spring, offer and the corresponding second spring slot of resetting spring at the top of the piston.This actuator adapts to special operation condition requirement, meet the requirement quickly started, this actuator can be applied in the valves such as check-valves, shut-off valve, after this actuator and valve matched, have a variety of manipulation functions such as centralized control, local control, emergency flight control, energy personnel's manipulation strength, the working media of this actuator can not only use compressed air, also applicable hydraulic oil, using spring characteristic, under the operating mode of Pb Pa≤0.1MPa, using spring-assisted closed valve disc, prevent pipeline internal medium from flowing out.
Description
Technical field
The present invention relates to assist type actuation technologies field, specially a kind of double-acting spring assist type actuator.
Background technology
Pneumatic actuator is the executive device for completing to open and close or reconcile using the compressed air-driven valve of certain pressure.It is existing
Some pneumatic actuators are broadly divided into the structures such as diaphragm type, piston type, fork type and pinion and-rack.These types of structural shape exists
It is widely used in valve.But it is above individual in view of the special operation condition of demand in the limitation of ship's space installation dimension and use
Structure type is difficult to meet requirement.This needs to be improved the structure type of actuator, and increases part spring element,
Auxiliary valve is effectively worked in special operation condition.
Invention content
The purpose of the present invention is to provide a kind of double-acting spring assist type actuators, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：A kind of double-acting spring assist type actuator, including
Actuator cylinder body, the actuator cylinder body is cylindrical, and the inside of the actuator cylinder body is equipped with the work that can be moved up and down
Plug, the inside of the actuator cylinder body include the cylinder rodless cavity and piston cylinder rod chamber below of piston or more, described
The top of actuator cylinder body is fixed with upper capping by fixing bolt, is equipped with resetting spring inside the cylinder rodless cavity, institute
It states resetting spring and is arranged one group, the bottom of the upper capping offers and corresponding first spring groove of resetting spring, the work
It is offered at the top of plug and the corresponding second spring slot of resetting spring.
As advanced optimizing for the technical program, a kind of double-acting spring assist type actuator of the present invention, the upper envelope
The contact position of lid and actuator cylinder body is equipped with upper end cover sealing ring, and the upper end cover sealing ring is O-ring seal, the upper end cover
Sealing ring is at least arranged two groups.
As advanced optimizing for the technical program, a kind of double-acting spring assist type actuator of the present invention, the piston
Cross section be circle, the contact position of the piston and actuator inboard wall of cylinder block is equipped with piston packing, the piston packing
At least it is arranged two groups.
As advanced optimizing for the technical program, a kind of double-acting spring assist type actuator of the present invention, the reset
The top and bottom end of spring extend respectively into the first spring groove and second spring slot.
Compared with prior art, the beneficial effects of the invention are as follows：
1) this actuator adapts to special operation condition requirement, meets the requirement quickly started；
2) this actuator can be applied in the valves such as check-valves, shut-off valve；
3) after this actuator and valve matched, there are a variety of manipulation functions such as centralized control, local control, emergency flight control,
It can personnel's manipulation strength；
4) working media of this actuator can not only use compressed air, also applicable hydraulic oil；
5) spring characteristic is utilized, using spring-assisted closed valve disc, to prevent pipeline under the operating mode of Pb-Pa≤0.1MPa
Interior medium outflow.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of double-acting spring assist type actuator of the present invention；
Fig. 2 is structural schematic diagram when a kind of double-acting spring assist type actuator of the present invention coordinates check-valves to use.
In figure：Capping, 2 resetting springs, 3 upper end cover sealing rings, 4 actuator cylinder bodies, 5 piston packings, 6 pistons, 7 on 1
Fixing bolt, 8 first spring grooves, 9 second spring slots, 10 cylinder rodless cavities, 11 cylinder rod chambers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of double-acting spring assist type actuator, including hold
Row device cylinder body 4, the actuator cylinder body 4 is cylindrical, and the inside of the actuator cylinder body 4 is equipped with the work that can be moved up and down
Plug 6, the inside of the actuator cylinder body 4 includes the 6 cylinder rod chamber below of cylinder rodless cavity 10 and piston of 6 or more piston
11, the top of the actuator cylinder body 4 is fixed with upper capping 1 by fixing bolt 7, is equipped with inside the cylinder rodless cavity 10
Resetting spring 2, the resetting spring 2 are arranged one group, and the bottom of the upper capping 1 offers and resetting spring 2 corresponding the
The top of one spring groove 8, the piston 6 offers and 2 corresponding second spring slot 9 of resetting spring.
Specifically, the contact position of the upper capping 1 and actuator cylinder body 4 is equipped with upper end cover sealing ring 3, the upper end cover is close
Seal 3 is O-ring seal, and the upper end cover sealing ring 3 is at least arranged two groups.
Specifically, the cross section of the piston 6 is circle, the contact position of 4 inner wall of the piston 6 and actuator cylinder body is equipped with
Piston packing 5, the piston packing 5 are at least arranged two groups.
Specifically, the top and bottom end of the resetting spring 2 extend respectively into the first spring groove 8 and second spring slot 9.
Operation principle：A kind of double-acting spring assist type actuator of the present invention, in use, this actuator is double-acting type,
With secondary spring, it is mainly used for the keying operation of valve disc.Actuator is integral type cylinder, by spring housing's (nothing of upper piston area
Rod cavity cylinder 10) and lower part piston chamber's (no bar rod chamber 11) composition, the two is isolated by piston 6.
When work, rodless cavity cylinder 10 and working media is respectively enterd without bar rod chamber 11, push piston action, drive valve
Disk moves up and down, and completes the opening and closing of valve.It is connect with actuator by yoke when actuator is coupled with valve.It is tied to shorten
Structure size, yoke is as actuator bottom cylinder cap.Yoke is positioned with valve body using " fitting-up bolt ", to meet the position of valve and actuator
Degree of setting requirement ensures the sealing performance of valve and actuator.Setting instruction valve disc open position scale and IP65 protection etc. on yoke
The valve disc of grade opens and closes the travel switch and terminal box of position.
Actuator design pressure 3.0Mpa, 60 DEG C, operating pressure 0.5-2.0Mpa of design temperature, 4 outer diameter of actuator cylinder body
151mm, whole height 270mm.
Compression-type resetting spring 2, predominantly miscellaneous function built in actuator spring cavity：
In the hydrophobic operating mode of white-out supply mains's vacuum of no air source and Pb-Pa≤0.1MPa, check-valves valve disc is at the beginning of spring
Under beginning compression force, remains turned-off and seal.Actuator cylinder body, end cap, bolt and yoke are using pressure vessel seamless steel pipe, plate
It is manufactured with forged steel material standard, trade mark S31603.
When using hydraulic working oil, actuator strength of parts increases, and principle is constant.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of double-acting spring assist type actuator, including actuator cylinder body (4), it is characterised in that：The actuator cylinder body
(4) cylindrical, the inside of the actuator cylinder body (4) is equipped with the piston (6) that can be moved up and down, the actuator cylinder body
(4) inside includes cylinder rodless cavity (10) and piston (6) the cylinder rod chamber (11) below of piston (6) or more, described
The top of actuator cylinder body (4) is fixed with upper capping (1) by fixing bolt (7), is installed inside the cylinder rodless cavity (10)
There are resetting spring (2), the resetting spring (2) to be arranged one group, the bottom of the upper capping (1) offers and resetting spring (2)
Corresponding first spring groove (8) offers and resetting spring (2) corresponding second spring slot at the top of the piston (6)
(9)。
2. a kind of double-acting spring assist type actuator according to claim 1, it is characterised in that：The upper capping (1)
It is equipped with upper end cover sealing ring (3) with the contact position of actuator cylinder body (4), the upper end cover sealing ring (3) is O-ring seal, institute
It states upper end cover sealing ring (3) and is at least arranged two groups.
3. a kind of double-acting spring assist type actuator according to claim 1, it is characterised in that：The piston (6)
Cross section is round, and the contact position of the piston (6) and actuator cylinder body (4) inner wall is equipped with piston packing (5), the piston
Sealing ring (5) is at least arranged two groups.
4. a kind of double-acting spring assist type actuator according to claim 1, it is characterised in that：The resetting spring
(2) top and bottom end extends respectively into the first spring groove (8) and second spring slot (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471582.XA CN108413111A (en) | 2018-05-17 | 2018-05-17 | Double-acting spring assist type actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471582.XA CN108413111A (en) | 2018-05-17 | 2018-05-17 | Double-acting spring assist type actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108413111A true CN108413111A (en) | 2018-08-17 |
Family
ID=63139725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810471582.XA Pending CN108413111A (en) | 2018-05-17 | 2018-05-17 | Double-acting spring assist type actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413111A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599338Y (en) * | 2003-02-24 | 2004-01-14 | 赵国大 | Normally closed pneuamtic piston cut-off valve |
| CN202349265U (en) * | 2011-09-28 | 2012-07-25 | 郑生机 | Pneumatic three-way valve |
| CN202349364U (en) * | 2011-09-28 | 2012-07-25 | 郑生机 | Pneumatic right-angle valve |
| CN207178849U (en) * | 2017-09-26 | 2018-04-03 | 无锡福斯拓科科技有限公司 | A kind of spring return type pneumatic actuator structure |
| CN208535285U (en) * | 2018-11-30 | 2019-02-22 | 南通东方船用设备制造有限公司 | Double-acting spring assist type actuator |
-
2018
- 2018-05-17 CN CN201810471582.XA patent/CN108413111A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599338Y (en) * | 2003-02-24 | 2004-01-14 | 赵国大 | Normally closed pneuamtic piston cut-off valve |
| CN202349265U (en) * | 2011-09-28 | 2012-07-25 | 郑生机 | Pneumatic three-way valve |
| CN202349364U (en) * | 2011-09-28 | 2012-07-25 | 郑生机 | Pneumatic right-angle valve |
| CN207178849U (en) * | 2017-09-26 | 2018-04-03 | 无锡福斯拓科科技有限公司 | A kind of spring return type pneumatic actuator structure |
| CN208535285U (en) * | 2018-11-30 | 2019-02-22 | 南通东方船用设备制造有限公司 | Double-acting spring assist type actuator |
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