CN112361063A - Multi-rotation electro-hydraulic actuating mechanism - Google Patents
Multi-rotation electro-hydraulic actuating mechanism Download PDFInfo
- Publication number
- CN112361063A CN112361063A CN202011374889.1A CN202011374889A CN112361063A CN 112361063 A CN112361063 A CN 112361063A CN 202011374889 A CN202011374889 A CN 202011374889A CN 112361063 A CN112361063 A CN 112361063A
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- CN
- China
- Prior art keywords
- hydraulic
- gear box
- transmission gear
- oil
- transmission
- 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.)
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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
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
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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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a multi-rotation electro-hydraulic actuating mechanism, which comprises a hydraulic power device and a transmission device, and is characterized in that: the transmission device comprises a transmission gear box, a hydraulic motor, a hydraulic integrated valve group and a hydraulic manual operation mechanism, wherein a valve rod of the hydraulic integrated valve group is directly connected with the transmission gear box, one end of the transmission gear box is connected with the hydraulic motor, and the other end of the transmission gear box is connected with a hydraulic power device, and the transmission device has the beneficial effects that: 1. the volume is small and the weight is light; 2. the application is widely suitable for all valve links; 3, working oil cylinders are reduced, and the problem that an actuating mechanism cannot act due to direct oil leakage of the oil cylinders is avoided; 4. a reduction in leakage points; 5. is particularly suitable for matching large-caliber gate valves and the like, and reduces the operation safety risk.
Description
Technical Field
The invention relates to the technical field of automatic control, in particular to a multi-rotation electro-hydraulic actuator.
Background
With the development of automation technology, valve actuators are widely used in the fields of petroleum, chemical industry, electric power, energy, ships, metallurgy, boiler equipment, building automation and the like, but in some fields (such as refrigeration industry), the valve actuators have special requirements, namely, the valves are not suitable to be opened and closed too fast, the valves are usually opened and closed by rotating for 10 circles within 3 to 8 minutes, and a multi-rotation electro-hydraulic actuator is an actuator designed for solving the problems.
In the modern production process, an actuating mechanism plays a very important role, along with the industrial development, the scale of the existing oil refining device is enlarged year by year, the caliber of a gate valve in the device reaches DN700-DN800, even larger, manual valve opening and closing is time-consuming and labor-consuming, certain potential safety hazards exist, and the problems can be well solved by adopting a multi-turn electro-hydraulic actuating mechanism.
The multi-rotation electro-hydraulic actuator mainly comprises a hydraulic power device and a transmission actuating device, the existing transmission actuating device is relatively complex in structure and large in size, so that the actual working environment is relatively limited, the multi-rotation electro-hydraulic actuator is not suitable for all types of valves, and the multi-rotation electro-hydraulic actuator needs to be improved.
Disclosure of Invention
The technical problem to be solved by the present invention is to solve the above-mentioned deficiencies of the prior art,
a multi-turn electro-hydraulic actuator is provided.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a many gyration electricity liquid actuating mechanism, is including hydraulic power device and transmission, its characterized in that: the transmission device comprises a transmission gear box, a hydraulic motor, a hydraulic integrated valve group and a hydraulic manual operation mechanism, wherein a valve rod of the hydraulic integrated valve group is directly connected with the transmission gear box, one end of the transmission gear box is connected with the hydraulic motor, and the other end of the transmission gear box is connected with a hydraulic power device.
The above-mentioned multi-turn electro-hydraulic actuator may be further configured to: the hydraulic power device comprises a control assembly, a gear pump, a support, a power output assembly connected with the gear pump and a hydraulic oil cylinder connected with the power output assembly, wherein the power output assembly is provided with a second oil inlet pipe and a second oil outlet pipe, the support is arranged at the other end of the power output assembly connected with the hydraulic oil cylinder, an installation surface is arranged on the support, and the hydraulic manual operation mechanism is connected with the transmission gear box.
The above-mentioned multi-turn electro-hydraulic actuator may be further configured to: the hydraulic manual operation mechanism comprises a mechanical hand wheel, the mechanical hand wheel is provided with an operation portion and a rod portion, the rod portion is connected with a transmission gear box, one end of the mechanical hand wheel is connected with a hydraulic oil pump, the hydraulic oil pump is provided with a first oil inlet pipe and a first oil outlet pipe, the first oil inlet pipe is connected with a second oil inlet pipe, and the first oil outlet pipe is connected with the second oil outlet pipe.
The above-mentioned multi-turn electro-hydraulic actuator may be further configured to: and an energy accumulator is arranged on the power output assembly.
By adopting the technical scheme, the working oil cylinder is reduced in the scheme, the executing mechanism which is caused by direct oil leakage of the oil cylinder cannot act, the whole weight is reduced, the whole volume is reduced, the maintenance is convenient, two manual operation modes are provided, one mode is manual operation of a mechanical hand wheel, and the other mode is manual operation of a hydraulic oil pump.
The invention has the beneficial effects that: 1. the volume is small and the weight is light; 2. the application is widely suitable for all valve links; 3, working oil cylinders are reduced, and the problem that an actuating mechanism cannot act due to direct oil leakage of the oil cylinders is avoided; 4. a reduction in leakage points; 5. is particularly suitable for matching large-caliber gate valves and the like, and reduces the operation safety risk.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a transmission device according to an embodiment of the invention.
Detailed Description
Referring to fig. 1-2: a multi-rotation electro-hydraulic actuator comprises a hydraulic power device 1 and a transmission device 2, wherein the transmission device 2 comprises a transmission gear box 21, a hydraulic motor 22, a hydraulic integrated valve group 23 and a hydraulic manual operation mechanism 24, a valve rod 231 of the hydraulic integrated valve group 23 is directly connected with the transmission gear box 21, one end of the transmission gear box 21 is connected with the hydraulic motor 22, the other end of the transmission gear box 21 is connected with the hydraulic power device 1, the hydraulic power device 1 comprises a control component 11, a gear pump, a support 17, a power output component 13 connected with the gear pump and a hydraulic oil cylinder connected with the power output component 13, the power output component 13 is provided with a second oil inlet pipe 131 and a second oil outlet pipe 132, the support 17 is arranged at the other end of the power output component 13 connected with the hydraulic oil cylinder, an installation surface 171 is arranged on the support 17, the hydraulic manual operation mechanism 24 is connected with the transmission gear box 22, the mechanical hand wheel 241 is provided with an operation portion 2411 and a rod portion 2412, the rod portion 2412 is connected with the transmission gear box 21, one end of the mechanical hand wheel 241 is connected with a hydraulic oil pump 243, the hydraulic oil pump 243 is provided with a first oil inlet pipe 2431 and a first oil outlet pipe 2432, the first oil inlet pipe 2431 is connected with the second oil inlet pipe 131, the first oil outlet pipe 2432 is connected with the second oil outlet pipe 132, and the power output assembly 13 is provided with an energy accumulator 133.
Claims (4)
1. The utility model provides a many gyration electricity liquid actuating mechanism, is including hydraulic power device and transmission, its characterized in that: the transmission device comprises a transmission gear box, a hydraulic motor, a hydraulic integrated valve group and a hydraulic manual operation mechanism, wherein a valve rod of the hydraulic integrated valve group is directly connected with the transmission gear box, one end of the transmission gear box is connected with the hydraulic motor, and the other end of the transmission gear box is connected with a hydraulic power device.
2. A multi-turn electro-hydraulic actuator as defined in claim 1, wherein: the hydraulic power device comprises a control assembly, a gear pump, a support, a power output assembly connected with the gear pump and a hydraulic oil cylinder connected with the power output assembly, wherein the power output assembly is provided with a second oil inlet pipe and a second oil outlet pipe, the support is arranged at the other end of the power output assembly connected with the hydraulic oil cylinder, an installation surface is arranged on the support, and the hydraulic manual operation mechanism is connected with the transmission gear box.
3. A multi-turn electro-hydraulic actuator as defined in claim 2, wherein: the hydraulic manual operation mechanism comprises a mechanical hand wheel, the mechanical hand wheel is provided with an operation portion and a rod portion, the rod portion is connected with a transmission gear box, one end of the mechanical hand wheel is connected with a hydraulic oil pump, the hydraulic oil pump is provided with a first oil inlet pipe and a first oil outlet pipe, the first oil inlet pipe is connected with a second oil inlet pipe, and the first oil outlet pipe is connected with the second oil outlet pipe.
4. A multi-turn electro-hydraulic actuator as defined in claim 3, wherein: and an energy accumulator is arranged on the power output assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374889.1A CN112361063A (en) | 2020-11-30 | 2020-11-30 | Multi-rotation electro-hydraulic actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374889.1A CN112361063A (en) | 2020-11-30 | 2020-11-30 | Multi-rotation electro-hydraulic actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112361063A true CN112361063A (en) | 2021-02-12 |
Family
ID=74536585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011374889.1A Withdrawn CN112361063A (en) | 2020-11-30 | 2020-11-30 | Multi-rotation electro-hydraulic actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112361063A (en) |
-
2020
- 2020-11-30 CN CN202011374889.1A patent/CN112361063A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |
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| WW01 | Invention patent application withdrawn after publication |