CN209115771U - A kind of seperated mechanism that actuator aperture is accurately detected and indicated - Google Patents
A kind of seperated mechanism that actuator aperture is accurately detected and indicated Download PDFInfo
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- CN209115771U CN209115771U CN201821876018.8U CN201821876018U CN209115771U CN 209115771 U CN209115771 U CN 209115771U CN 201821876018 U CN201821876018 U CN 201821876018U CN 209115771 U CN209115771 U CN 209115771U
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- potentiometer
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- accurately detected
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Abstract
A kind of seperated mechanism that actuator aperture is accurately detected and indicated, it is related to Electric Actuator technical field.A kind of seperated mechanism that actuator aperture is accurately detected and indicated it include indication body, connecting column, shaft, potentiometer, machine screw, potentiometer support, fixed link, central axis, output shaft, fixing sleeve, motor, substrate, ontology, gear assembly, indication body is fixed in shaft by connecting column, potentiometer is arranged on the right side of potentiometer support, machine screw extends vertically through potentiometer support and is connected and fixed with fixed link upper end, output shaft and central axis interference link into an integrated entity structure, the shaft that the lower section of potentiometer is stretched out is connected as one structure by fixing sleeve and central axis, the motor side of being disposed on the substrate, gear assembly is provided with above output shaft 12.After adopting the above technical scheme, the precision and reliability of the measurement of valve position can be improved the utility model has the following beneficial effects: it compact-sized, control precision is high, realizes high-precision valve position detection.
Description
Technical field
The utility model relates to Electric Actuator technical fields, and in particular to a kind of actuator aperture is accurately detected and indicated
Seperated mechanism.
Background technique
Electric Actuator is frequently utilized for the switch of controllable valve, operator operator both can remotely to valve into
Row control, the scene that can also arrive are operated manually control valve switch.Be widely used in draining, HVAC, chemical industry, electronics,
Every field on the fluid lines such as light industry, food, medicine, light textile, papermaking, water power, ship, smelting, energy resource system.Currently, work
Used angle stroke actuators are all made of potentiometer feedback position in industry, but they are potentiometer to be passed through a pair of of tooth
Wheel connects on center shaft indirectly, and indication body instruction naked-eye observation position, he is but connected directly between central axis by they
On, then the angle stroke actuators of this structure usually there is a problem that it is following: 1. precision are low, dead zone is big.Due to current potential
Device is to be indirectly connected with by one-stage gear on center shaft, there is certain interval between meshing gear in itself, so potentiometer can only
The rotation angle for acquiring central axis indirectly, makes start-up course generate " dead zone ".2. being indirectly connected with, increasing cost.Because of current potential
Device is indirectly connected on center shaft by one-stage gear, then to produce a pair of engaged gears, increases Gear Processing cost more.
3. potentiometer component cannot be fused together with main body well, cause executing agency's volume larger, shape is beautiful not enough.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, a kind of actuator aperture is provided and is accurately examined
It surveys and the seperated mechanism of instruction, it compact-sized, control precision is high, realizes high-precision valve position detection, valve position can be improved
The precision and reliability of measurement.
To achieve the above object, the utility model is using following technical scheme: it includes indication body 1, connecting column 2, turns
Axis 3, potentiometer 4, machine screw 5, potentiometer support 6, fixed link 8, central axis 11, output shaft 12, fixing sleeve 15, motor 16, base
Plate 17, ontology 18, gear assembly 19.Indication body 1 is fixed in shaft 3 by connecting column 2, and potentiometer 4 is arranged in potentiometer branch
On the right side of frame 6, it is provided with machine screw 5 on the left of potentiometer support 6, machine screw 5 extends vertically through potentiometer support 6 and 8 upper end of fixed link
It is connected and fixed, output shaft 12 and 11 interference of central axis link into an integrated entity structure, and the shaft 3 that the lower section of potentiometer 4 is stretched out passes through solid
Surely set 15 is connected as one structure with central axis 11, and 11 side of central axis is provided with motor 16, and motor 16 is arranged in substrate 17
Top is provided with ontology 18 below substrate 17, gear assembly 19 is provided with above output shaft 12.When actuator band ovable valve stem rotates
When, one potentiometer 4 of branch can accurately detect the position angle of valve rod in Electric Actuator, also can with time indication body 1
Intuitively observe direction of rotation and rotation position.In this way, the projecting shaft rotating electronic device of potentiometer 4 can be accurately detected
It rotates angle, then can accurately detect the position angle of valve rod with regard to representing.
The potentiometer 4 is fixedly connected in potentiometer support 6 by nut 7.
The shaft 3 is fixed on central axis 11 by M3 holding screw 9 and M4 holding screw 10.
Indication body protective cover 13 is provided with outside the indication body 1.The setting of indication body protective cover 13 is used to protect to refer to
Show that body 1 is not damaged.
11 periphery of central axis is provided with upper cover 14.The setting protection internal element of upper cover 14 is not damaged.
Working principle of the utility model is: the valve rod of valve is connected with exporting axis, output shaft and central axis are connected by interference
It is connected into one, when Electric Actuator drives valve working, the electrical power operating of Electric Actuator, movement is passed by gear assembly
It is delivered to output shaft, output shaft and central axis group integrally pass through two bearings and be mounted on ontology and substrate, then form one
Body can disjunctor by gear assembly driving and then rotate.Branch one: potentiometer 4 is fixed in potentiometer support by nut,
They are fixed on substrate with machine screw, the shaft of the stretching of potentiometer passes through M3 holding screw and fixing sleeve upper end locking,
Fixing sleeve lower end M4 holding screw and center shaft locking, then the shaft of the stretching of potentiometer connect one with center shaft locking
Body.When central axis follows output shaft to rotate, the projecting shaft of potentiometer also and then rotates, and the electronic equipment on actuator is adopted at this time
Collection potentiometer resistance size can be accurately detected it and rotate angle, then can accurately detect the position of valve rod with regard to representing
Angle.Branch two: shaft is fixed on center shaft by M4 holding screw, and indication body is fixed in shaft by connecting column, this
Sample connecting column, shaft, central axis are with regard to integral.When Electric Actuator drives output shaft and the central axis simultaneously driving stem rotation of one
When turning, centre axis turn axis, connecting column, indication body also and then rotate, then the enough intuitively observation rotations of the scale on indication body
Turn direction and rotation position, also represents the direction of rotation and position that can intuitively observe valve rod.When center axis rotation, band
Dynamic one potentiometer of branch also and then rotates accurate detection, while branch two also being driven to indicate that rotation feedback intuitively observes valve rod
Direction of rotation and position, thus they simultaneously while rotate they be again bifurcated two branches, due to potentiometer be can
High-precision must feed back the position of valve rod, and the acquisition signal source of motor is potentiometer.And its object is only fed back in indication body instruction
Position is managed, even if when since shaft is overweight or indication body is by card loosening, then the accurate feedback valve of device will not be influenced
Position, i.e., motor does not collect potentiometer movement, then motor is also failure to actuate, keeps the valve position of valve, more can in this way
Improve detection accuracy and firm performance.
After adopting the above technical scheme, the utility model has the beneficial effect that the compact-sized of it, control precision is high, realizes
The precision and reliability of the measurement of valve position can be improved in high-precision valve position detection.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the part-structure explosive view in the utility model；
Fig. 3 is that part-structure connects cross-sectional view in the utility model.
Description of symbols: indication body 1, connecting column 2, shaft 3, potentiometer 4, machine screw 5, potentiometer support 6, nut 7,
Fixed link 8, M4 holding screw 10, central axis 11, output shaft 12, indication body protective cover 13, upper cover 14, is fixed M3 holding screw 9
Cover 15, motor 16, substrate 17, ontology 18, gear assembly 19.
Specific embodiment
Referring to shown in Fig. 1-Fig. 3, present embodiment the technical solution adopted is that: it includes indication body 1, connecting column
2, shaft 3, potentiometer 4, machine screw 5, potentiometer support 6, fixed link 8, central axis 11, output shaft 12, fixing sleeve 15, motor
16, substrate 17, ontology 18, gear assembly 19.Indication body 1 is fixed in shaft 3 by connecting column 2, and potentiometer 4 is arranged in current potential
On the right side of device bracket 6, it is provided with machine screw 5 on the left of potentiometer support 6, machine screw 5 extends vertically through potentiometer support 6 and fixed link 8
Upper end is connected and fixed, and output shaft 12 and 11 interference of central axis link into an integrated entity structure, and the shaft 3 that the lower section of potentiometer 4 is stretched out is logical
It crosses fixing sleeve 15 and central axis 11 is connected as one structure, 11 side of central axis is provided with motor 16, and motor 16 is arranged in base
Above plate 17, it is provided with ontology 18 below substrate 17, gear assembly 19 is provided with above output shaft 12.When actuator band ovable valve stem
When rotation, one potentiometer 4 of branch can accurately detect the position angle of valve rod in Electric Actuator, with time indication body 1
Direction of rotation and rotation position can intuitively be observed.In this way, the projecting shaft rotating electronic device of potentiometer 4 can be examined accurately
It measures it and rotates angle, then the position angle of valve rod can be accurately detected with regard to representing.
The potentiometer 4 is fixedly connected in potentiometer support 6 by nut 7.
The shaft 3 is fixed on central axis 11 by M3 holding screw 9 and M4 holding screw 10.
Indication body protective cover 13 is provided with outside the indication body 1.The setting of indication body protective cover 13 is used to protect to refer to
Show that body 1 is not damaged.
11 periphery of central axis is provided with upper cover 14.The setting protection internal element of upper cover 14 is not damaged.
Working principle of the utility model is: the valve rod of valve is connected with exporting axis, output shaft and central axis are connected by interference
It is connected into one, when Electric Actuator drives valve working, the electrical power operating of Electric Actuator, movement is passed by gear assembly
It is delivered to output shaft, output shaft and central axis group integrally pass through two bearings and be mounted on ontology and substrate, then form one
Body can disjunctor by gear assembly driving and then rotate.Branch one: potentiometer 4 is fixed in potentiometer support by nut,
They are fixed on substrate with machine screw, the shaft of the stretching of potentiometer passes through M3 holding screw and fixing sleeve upper end locking,
Fixing sleeve lower end M4 holding screw and center shaft locking, then the shaft of the stretching of potentiometer connect one with center shaft locking
Body.When central axis follows output shaft to rotate, the projecting shaft of potentiometer also and then rotates, and the electronic equipment on actuator is adopted at this time
Collection potentiometer resistance size can be accurately detected it and rotate angle, then can accurately detect the position of valve rod with regard to representing
Angle.Branch two: shaft is fixed on center shaft by M4 holding screw, and indication body is fixed in shaft by connecting column, this
Sample connecting column, shaft, central axis are with regard to integral.When Electric Actuator drives output shaft and the central axis simultaneously driving stem rotation of one
When turning, centre axis turn axis, connecting column, indication body also and then rotate, then the enough intuitively observation rotations of the scale on indication body
Turn direction and rotation position, also represents the direction of rotation and position that can intuitively observe valve rod.When center axis rotation, band
Dynamic one potentiometer of branch also and then rotates accurate detection, while branch two also being driven to indicate that rotation feedback intuitively observes valve rod
Direction of rotation and position, thus they simultaneously while rotate they be again bifurcated two branches, due to potentiometer be can
High-precision must feed back the position of valve rod, and the acquisition signal source of motor is potentiometer.And its object is only fed back in indication body instruction
Position is managed, even if when since shaft is overweight or indication body is by card loosening, then the accurate feedback valve of device will not be influenced
Position, i.e., motor does not collect potentiometer movement, then motor is also failure to actuate, keeps the valve position of valve, more can in this way
Improve detection accuracy and firm performance.
After adopting the above technical scheme, the utility model has the beneficial effect that the compact-sized of it, control precision is high, realizes
The precision and reliability of the measurement of valve position can be improved in high-precision valve position detection.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the scope of the claims of the utility model.
Claims (5)
1. the seperated mechanism that a kind of actuator aperture is accurately detected and indicated, it is characterised in that: it includes indication body (1), connection
Column (2), shaft (3), potentiometer (4), machine screw (5), potentiometer support (6), fixed link (8), central axis (11), output shaft
(12), fixing sleeve (15), motor (16), substrate (17), ontology (18), gear assembly (19), indication body (1) pass through connecting column
(2) it is fixed on shaft (3), potentiometer (4) setting is on the right side of potentiometer support (6), and setting is organic on the left of potentiometer support (6)
Screw (5), machine screw (5) extend vertically through potentiometer support (6) and are connected and fixed with fixed link (8) upper end, output shaft (12) and in
Mandrel (11) interference links into an integrated entity structure, and the shaft (3) that the lower section of potentiometer (4) is stretched out passes through fixing sleeve (15) and central axis
(11) it is connected as one structure, central axis (11) side is provided with motor (16), and motor (16) is arranged above substrate (17),
It is provided with ontology (18) below substrate (17), is provided with gear assembly (19) above output shaft (12).
2. the seperated mechanism that a kind of actuator aperture according to claim 1 is accurately detected and indicated, it is characterised in that: institute
The potentiometer (4) stated is fixedly connected on potentiometer support (6) by nut (7).
3. the seperated mechanism that a kind of actuator aperture according to claim 1 is accurately detected and indicated, it is characterised in that: institute
The shaft (3) stated is fixed on central axis (11) by M3 holding screw (9) and M4 holding screw (10).
4. the seperated mechanism that a kind of actuator aperture according to claim 1 is accurately detected and indicated, it is characterised in that: institute
Indication body protective cover (13) are provided with outside the indication body (1) stated.
5. the seperated mechanism that a kind of actuator aperture according to claim 1 is accurately detected and indicated, it is characterised in that: institute
Central axis (11) periphery stated is provided with upper cover (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876018.8U CN209115771U (en) | 2018-11-14 | 2018-11-14 | A kind of seperated mechanism that actuator aperture is accurately detected and indicated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821876018.8U CN209115771U (en) | 2018-11-14 | 2018-11-14 | A kind of seperated mechanism that actuator aperture is accurately detected and indicated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115771U true CN209115771U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821876018.8U Active CN209115771U (en) | 2018-11-14 | 2018-11-14 | A kind of seperated mechanism that actuator aperture is accurately detected and indicated |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386644A (en) * | 2018-11-14 | 2019-02-26 | 上海孚因流体动力设备股份有限公司 | A kind of seperated mechanism that actuator aperture is accurately detected and indicated |
-
2018
- 2018-11-14 CN CN201821876018.8U patent/CN209115771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386644A (en) * | 2018-11-14 | 2019-02-26 | 上海孚因流体动力设备股份有限公司 | A kind of seperated mechanism that actuator aperture is accurately detected and indicated |
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