CN2806915Y - Precise electric V-type ball valve - Google Patents
Precise electric V-type ball valve Download PDFInfo
- Publication number
- CN2806915Y CN2806915Y CN 200520042335 CN200520042335U CN2806915Y CN 2806915 Y CN2806915 Y CN 2806915Y CN 200520042335 CN200520042335 CN 200520042335 CN 200520042335 U CN200520042335 U CN 200520042335U CN 2806915 Y CN2806915 Y CN 2806915Y
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- Prior art keywords
- valve
- ball valve
- gear
- shaft
- angular displacement
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- Expired - Fee Related
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Abstract
The utility model discloses a precise electric V-shaped ball valve. The utility model is characterized in that the utility model is composed of an operation device, a driver, an actuating mechanism and a V-shaped ball valve, wherein the V-shaped ball valve is composed of a V-shaped open valve core ball body and a circular ring valve seat. The actuating mechanism is composed of a stepping motor, a reducing mechanism composed of a ball screw rod, a gear and a rack bar, and a position transmitter, wherein an output shaft of the stepping motor is connected with the ball screw rod matched with a screw rod nut; the rack bar is fixed to the ball screw rod and is engaged with the gear; a gear shaft is an output shaft of the actuating mechanism, and is connected with a valve shaft of the V-shaped ball valve by a spline on the gear shaft; the output shaft of the actuating mechanism is connected with an angle displacement sensor connected with the position transmitter; the angular displacement of the output shaft of the actuating mechanism is converted to valve position feedback current signals by the position transmitter to output to the operation device. The valve has the advantages of large flow capacity and favorable cutting property, and is particularly suitable for fiber media, such as paper pulp, etc.; the flow characteristic of the valve can be approximately equal to one hundred percent by correcting a V-shaped opening, and the control effect can be improved.
Description
Technical field
The utility model relates to a kind of V-arrangement ball valve, relates to a kind of a kind of V-arrangement ball valve that is driven as actuator by electric element specifically, and it is widely used in the ideal device of pulp flow control in the paper industry quantitative control system.
Background technique
The present used modulating valve of paper industry, one section is adopted O shape ball valve, though having, O type ball valve cuts off function preferably, but volume is big, and corresponding weight is big, and energy loss is more, it is very uneconomic a kind of modulating valve, can't revise simultaneously, not ideal enough to pulp flow control, above shortcoming is that paper-making industry has an important topic to be solved for a long time.
Summary of the invention
It is strong that the purpose of this utility model provides a kind of negotiability, and it is good to cut off performance, the accurate electronic V-arrangement ball valve that Flow characteristics is good, the automatic control precision is high.
For finishing the technological scheme that above-mentioned purpose is taked: the electronic V-arrangement ball valve of a kind of precision is characterized in that it is formed by connecting by operator, driver, actuator and V-arrangement ball valve; Described valve is the V-type ball valve, and it is made up of the spool spheroid and the annulus valve seat of V-arrangement opening; V-arrangement ball valve, actuator are fixed on the support; Described actuator comprises stepper motor, by ball screw, gear, reducing gear and electric pneumatic converter that tooth bar is formed, the stepper motor output shaft is connected by the ball screw of coupling and reducing gear, ball screw is furnished with feed screw nut, tooth bar is fixed on the ball screw, and and gear engagement, gear shaft is actuator shaft and is connected by the valve shaft of the spline on it with the V-arrangement ball valve, actuator shaft is connected with angular displacement sensor, angular displacement sensor is connected with electric pneumatic converter, angular displacement sensor converts the valve angular displacement to resistance signal, and electric pneumatic converter converts resistance signal to the valve position feedback current signal and exports operator to.
The beneficial effects of the utility model are, V-arrangement ball valve negotiability is strong, and the V-arrangement opening has excellent cutting, be particularly suitable for fiber mediums such as paper pulp, by correction to the V-arrangement opening, also can make the Flow characteristics of valve reach approximate equal percentage, improve the control effect.Accurate electronic V-arrangement ball valve, delicate structure, circuit advanced person, both can accept analog amount normalized current signal, can accept computer switch amount control signal again, the exact figure valve position shows with LED light beam indication intuitively and deposits that control room and scene all can be operated, and be easy to use flexible, V-arrangement ball valve regulating ratio is big, traffic ability is strong, cuttability good, is the ideal tools of pulp flow control in the paper industry quantitative control system.
Description of drawings
Fig. 1 is the utility model theory diagram;
Fig. 1 is actuator's structural representation;
Fig. 3 is V-arrangement ball valve mechanical structure and transmission principle figure;
Fig. 4 is the pointer box electric component figure of actuator.
Embodiment
The electronic V-arrangement ball valve of a kind of precision, by Fig. 1-shown in Figure 3, its characteristics, it is formed by connecting by operator, driver, actuator and V-arrangement ball valve; Described valve is the V-type ball valve, and it is made up of with annulus valve seat 13 the spool spheroid 12 of V-arrangement opening; V-arrangement ball valve 3, actuator 1 are fixed on the support 2; Described actuator comprises stepper motor, by ball screw, gear, reducing gear and electric pneumatic converter that tooth bar is formed, stepper motor 9 output shafts are connected by the ball screw 8 of coupling and reducing gear, ball screw 8 is furnished with feed screw nut 5, tooth bar 6 is fixed on the ball screw 8, and with gear 7 engagement, gear shaft is actuator shaft 10 and is connected by the valve shaft of the spline on it 11 with V-arrangement ball valve 3, actuator shaft 10 is connected with angular displacement sensor, angular displacement sensor is connected with electric pneumatic converter, angular displacement sensor converts the valve angular displacement to resistance signal, and electric pneumatic converter converts resistance signal to valve position feedback current signal 4-20mA and exports operator to.One end of described ball screw 8 also is provided with manual handwheel 4.Described V-arrangement ball valve 3 connecting end forms are straight-through type, are installed on the pipeline in line.The V-arrangement ball valve is to reach sealing and the purpose of regulating by the spool spheroid of band V-arrangement opening and metal cirque valve seat.When the valve complete shut-down, spool sphere and the contact seal of valve seat loop line, along with the rotation of spool, the V-arrangement opening enters the valve seat circulating face, thus make fluid be able to by, circulation area is directly proportional with spool, circulation area maximum when spool turns over 90 °.
By shown in Figure 4, described angular displacement sensor is a conductive plastic potentiometer 14, and it is driven by actuator shaft 10 and rotates, and the valve angular displacement converts resistance signal to, this signal is delivered to electric pneumatic converter 15, converts resistance signal to valve position feedback current signal 4-20mA and exports operator to.Actuator shaft 10 is connected with a cam 16 and contacts with sensitive switch 17 as the valve position lead limit switch.
The driver of described electric part and operator place scene and control room respectively, driver is made up of master control borad, power panel, display board, power transformer, touch panel etc., and wherein master control borad is by stepping motorized motions module, speed regulation potentiometer (regulating the total travel time), zero point and range potentiometer (calibration digital displaying value); Power panel and power transformer provide the working power of master control borad, display board; Touch panel is equipped with manually, automatic transfer switch and open and close hand push button.
Described operator is made up of operator mainboard, display board, LED light beam indicator, power transformer, touch panel etc.The operator mainboard comprises the interrupted regulating circuit of analogue signal, eliminates the deviation potentiometer of feedback signal and regulated signal deviation, regulates the gain potentiometer of deviation signal magnification factor, regulates the dead band potentiometer of sensitivity, and outer warning valve position is provided with circuit.Display board is equipped with zero point and the range potentiometer that the valve position nixie tube that numeral shows, calibration digital displaying value are provided, the LED light beam indicator of instruction simulation amount input signal size; Power transformer provides the working power of operator mainboard, display board, LED light beam indicator; Touch panel is equipped with manually, automatic transfer switch and open and close hand push button.
Claims (4)
1, the electronic V-arrangement ball valve of a kind of precision is characterized in that, it is formed by connecting by operator, driver, actuator and V-arrangement ball valve; Described valve is the V-type ball valve, and it is made up of with annulus valve seat (13) the spool spheroid (12) of V-arrangement opening; V-arrangement ball valve (3), actuator (1) are fixed on the support (2); Described actuator comprises stepper motor, by ball screw, gear, reducing gear and electric pneumatic converter that tooth bar is formed, stepper motor (9) output shaft is connected by the ball screw (8) of coupling and reducing gear, ball screw (8) is furnished with feed screw nut (5), tooth bar (6) is fixed on the ball screw (8), and mesh with gear (7), gear shaft is actuator shaft and is connected by the valve shaft of the spline on it (11) with V-arrangement ball valve (3), actuator shaft is connected with angular displacement sensor, angular displacement sensor is connected with electric pneumatic converter, angular displacement sensor converts the valve angular displacement to resistance signal, and electric pneumatic converter converts resistance signal to the valve position feedback current signal and exports operator to.
2, the electronic V-arrangement ball valve of precision according to claim 1 is characterized in that an end of ball screw (8) is provided with manual handwheel (4).
3, the electronic V-arrangement ball valve of precision according to claim 1 is characterized in that described V-arrangement ball valve (3) connecting end form is a straight-through type, is installed on the pipeline in line.
4, the electronic V-arrangement ball valve of precision according to claim 1 is characterized in that described angular displacement sensor is conductive plastic potentiometer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042335 CN2806915Y (en) | 2005-06-09 | 2005-06-09 | Precise electric V-type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042335 CN2806915Y (en) | 2005-06-09 | 2005-06-09 | Precise electric V-type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2806915Y true CN2806915Y (en) | 2006-08-16 |
Family
ID=36921215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520042335 Expired - Fee Related CN2806915Y (en) | 2005-06-09 | 2005-06-09 | Precise electric V-type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2806915Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124600A1 (en) * | 2009-04-30 | 2010-11-04 | 浙江关西电机有限公司 | Servo motor operated valve and control method thereof |
| CN102442554A (en) * | 2011-09-14 | 2012-05-09 | 中冶南方工程技术有限公司 | Spherical flow adjusting valve |
| CN104329503A (en) * | 2014-11-12 | 2015-02-04 | 宁夏嘉翔自控技术有限公司 | Multi-port valve detected and controlled by high-precision potentiometer |
| CN106090392A (en) * | 2016-08-23 | 2016-11-09 | 宜昌船舶柴油机有限公司 | Servo-controlled valve |
| CN108087576A (en) * | 2017-12-14 | 2018-05-29 | 超核阀门有限公司 | A kind of low temperature resistant fixing ball valve |
| CN111173980A (en) * | 2018-11-12 | 2020-05-19 | 天津市北方阀门控制设备有限公司 | Angular travel valve actuating mechanism |
| CN113339543A (en) * | 2021-06-25 | 2021-09-03 | 上海高中压阀门股份有限公司 | Double-shaft eccentric ball body for ultralow temperature ball valve |
-
2005
- 2005-06-09 CN CN 200520042335 patent/CN2806915Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124600A1 (en) * | 2009-04-30 | 2010-11-04 | 浙江关西电机有限公司 | Servo motor operated valve and control method thereof |
| CN102442554A (en) * | 2011-09-14 | 2012-05-09 | 中冶南方工程技术有限公司 | Spherical flow adjusting valve |
| CN104329503A (en) * | 2014-11-12 | 2015-02-04 | 宁夏嘉翔自控技术有限公司 | Multi-port valve detected and controlled by high-precision potentiometer |
| CN106090392A (en) * | 2016-08-23 | 2016-11-09 | 宜昌船舶柴油机有限公司 | Servo-controlled valve |
| CN108087576A (en) * | 2017-12-14 | 2018-05-29 | 超核阀门有限公司 | A kind of low temperature resistant fixing ball valve |
| CN111173980A (en) * | 2018-11-12 | 2020-05-19 | 天津市北方阀门控制设备有限公司 | Angular travel valve actuating mechanism |
| CN113339543A (en) * | 2021-06-25 | 2021-09-03 | 上海高中压阀门股份有限公司 | Double-shaft eccentric ball body for ultralow temperature ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060816 Termination date: 20130609 |