CN104154295B - Scalable internal gear torque of valve electric device controlling organization and method of work thereof - Google Patents

Scalable internal gear torque of valve electric device controlling organization and method of work thereof Download PDF

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Publication number
CN104154295B
CN104154295B CN201410444545.1A CN201410444545A CN104154295B CN 104154295 B CN104154295 B CN 104154295B CN 201410444545 A CN201410444545 A CN 201410444545A CN 104154295 B CN104154295 B CN 104154295B
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Prior art keywords
torque
gear
axis
cam
microswitch
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CN104154295A (en
Inventor
郑志敬
陈华祥
黎守英
卢香丽
王海涛
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TIANJIN BAILI ERTONG MACHINERY CO Ltd
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TIANJIN BAILI ERTONG MACHINERY CO Ltd
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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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F16K31/048—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means with torque limiters
    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The invention provides a kind of scalable internal gear torque of valve electric device controlling organization and method of work thereof, its structure includes casing, axis of torque, microswitch support, straight pin, microswitch, base, overhead cam, lower cam, lower regulation gear, brake disc, upper regulation gear and upper cover, and its method of work includes Torque-adjusting and direct torque.Superiority: degree of regulation is high, easy to adjust fast, adjust work moment more accurate.It solve and existing known technology can not realize installing the problem of torque adjusting after electric control panel, moment alignment error is preferably minimized.

Description

Scalable internal gear torque of valve electric device controlling organization and method of work thereof
(1) technical field:
The present invention relates to electric device for valve technical field, particularly a kind of scalable internal gear torque of valve electric device Controlling organization and method of work thereof.
(2) background technology:
Electric device for valve be a kind of with valve with the use of, control the electromechanical chemical industry that valve opens and closes and set Standby.Valve real work often occurs in running, owing to many reasons causes beyond properly functioning torque value, or The situations such as valve jam.In order to effectively valve and electric device be protected, it is desirable to have direct torque in electric device Mechanism, under above-mentioned failure condition, it is possible to cutting-off controlling circuit timely, thus stops motor and run, and then reaches valve And electric device protects.When beyond properly functioning torque value, or when the situation such as valve jam occurs, electric device driving member Worm component in worm gear can occur axial float, and the fortune of electric device output shaft is depended in the direction of this worm component play The switch direction of the i.e. valve in dynamic direction.Bearing block on worm component produces axial displacement, the annular rack meeting on this bearing block Drive the axis of torque in torque controling mechanism to rotate a certain angle, and make the microswitch in torque controling mechanism trigger, cut Power machine power supply, so far reaches the purpose of electric device direct torque.
In background technology, torque controling mechanism one is cam chip torque-controlling structures, its mechanism structure and operation principle See Fig. 1, Fig. 2, axis of torque 2 and casing 1 shaft hole matching, axis of torque 2 and microswitch support 3 shaft hole matching, described microswitch Support 3 is then fixed with casing by screw, thus by axis of torque 2 axial restraint.Described rotating disk 4 and axis of torque 2 shaft hole matching, And fixed by straight pin 5.Described pass is fixed with rotating disk 4 by screw to cam bit 6.Described it be opened to cam bit 8 and rotate Place a spacer 7 between dish 4, and be fixed by screws in rotating disk 4.Said two microswitch 9 passes through screw with micro- Dynamic switch bracket 3 is fixed.Its Torque Control principle is: axis of torque 2 rotarily drives rotating disk 4 and rotates, thus drives pass to cam Sheet 6 and be opened to cam bit 8 and rotate.By being rotated clockwise of axis of torque 2 so that close to cam bit 6 cam outer rim and micro- The touching of dynamic switch 9, makes microswitch 9 disconnect, thus cuts off and close to loop, leave the motor off rotation.Unclamp fixing closing to cam Sheet 6 and the screw of rotating disk 4, the position of adjustment cam sheet 6, thus the anglec of rotation of axis of torque 2 when adjusting moment, reach power The purpose of square regulation, then trip bolt.It is opened to the adjustment of moment the most as above.
In known technology, torque configurations has the disadvantage in that
1, less due to cam bit radius, therefore its degree of regulation σ is relatively low when doing torque setting.With operation torque T= As a example by 300N.m, recording, through test, the moment that minimum can set up is T '=309N.m, then degree of regulation σ=T '-T/T × 100%=3%
2, it is enclosed within below electric base plate due to whole moment portion, it is impossible to realize torque adjusting after electric control panel is installed, Cause torque error big eventually.Because the signal delay of electric components itself has regular hour t, moment is at this shortest time t In can have a greater change, therefore before and after causing installation electric control panel, torque error is relatively big, to work before installing electric control panel As a example by torque T=300N.m, after test records installation electric control panel, average operation torque is T1=332N.m.So pacify Operation torque deviation before and after dress electric control panel ρ = T 1 - T T × 100 % = 10.67 % , Error amount is the biggest.
(3) summary of the invention:
It is an object of the invention to provide a kind of scalable internal gear torque of valve electric device controlling organization and work thereof Method, its degree of regulation is high, easy to adjust fast, adjust work moment more accurate.It solving can not in existing known technology After realization installation electric control panel, the problem of torque adjusting, is preferably minimized moment alignment error.
Technical scheme: a kind of scalable internal gear torque of valve electric device controlling organization, including casing, power Square axle, microswitch support, straight pin and microswitch, described axis of torque and casing shaft hole matching, axis of torque and microswitch Rack shaft hole coordinates, and described microswitch support is fixed with casing by screw, thus by axis of torque axial restraint, described fine motion Switch fixed with microswitch support by screw, it is characterised in that also include base, overhead cam, lower cam, lower regulation gear, Brake disc, upper regulation gear and upper cover, described axis of torque radially assembles straight pin；Described base is with axis of torque shaft hole matching also By cylindrical pin to location；Described lower cam and base seam location fit；By only between described overhead cam and lower cam Mouth location fit；The edge of described upper cover and overhead cam seam location fit, the dental inlay groove in the middle part of upper cover coordinates with base dental inlay And with axis of torque shaft hole matching, upper cover is by nut and axis of torque axial restraint；The gear shaft lower end of described lower regulation gear with Base axis hole and end face location, lower regulation gear engages with lower cam internal tooth, the gear shaft upper end of lower regulation gear and upper cover axle Hole and end face location, lower regulation gear and lower camlock；Described upper regulation gear and base axis hole and end face location, and with Overhead cam internal tooth engages, and positions with upper cover axis hole and end face, and upper regulation gear is locked with overhead cam.
Lower regulation gear described above and lower cam are locked by brake disc or by gear self-locking, described brake disc is passed through Square hole coordinates with the square shaft position of the gear shaft of lower regulation gear, is fixed with upper cover by holding screw.
Upper regulation gear described above and overhead cam are locked by brake disc or by gear self-locking, described brake disc is passed through Square hole coordinates with the square shaft position of the gear shaft of upper regulation gear, is fixed with upper cover by holding screw.
The method of work of a kind of above-mentioned scalable internal gear torque of valve electric device controlling organization, its feature is in concrete step Rapid as follows:
(1) Torque-adjusting: regulate gear under rotation, thus drive lower cam internal tooth, make lower cam rotate, rotation regulates Gear, thus drive overhead cam internal tooth, make overhead cam rotate, thus adjust the anglec of rotation of axis of torque, reach torque adjusting Purpose；
(2) direct torque: axis of torque rotarily drives fixing seat and rotates, thus drive overhead cam and lower cam to rotate；Pass through Being rotated clockwise of axis of torque so that the outer rim of lower cam and microswitch touching, makes microswitch disconnect, thus cuts off Close to or be opened to loop, leaving the motor off rotation；Rotated by the counter clockwise direction of axis of torque so that the outer rim of overhead cam and micro- Dynamic switch touching, makes microswitch disconnect, thus cuts off and be opened to or close to loop, leave the motor off rotation.
In step described above (1) Torque-adjusting, before rotating lower regulation gear, first unclamp the tight of fixed cover and brake disc Determine screw, after all having regulated, fasten holding screw again.
The superiority of the present invention:
1. big due to cam bit radius, therefore its degree of regulation σ is high when doing torque setting.With operation torque T=300N.m As a example by, recording, through test, the moment that minimum can set up is T '=303N.m, then degree of regulation σ=T '-T/T × 100%= 1%, its degree of regulation is up in background technology more than 3 times of torque adjusting precision.
2. achieve torque adjusting after installation electric control panel, non-moment error.Method is only electric directly over moment 4 apertures are bored in base plate relevant position.These 4 holes are that upper regulation gear adjustment hole, lower adjustment gear adjustment hole and two are tight respectively Determine screw adjusting hole.Screwdriver is logical can be crossed above-mentioned 4 holes and carry out switching the moment in two directions and adjust, it is achieved that install electric control panel Rear torque adjusting.
(4) accompanying drawing explanation:
Fig. 1 is the structural representation of the cam chip torque controling mechanism in background technology.
Fig. 2 is the plan structure schematic diagram of the cam chip torque controling mechanism in background technology.
Fig. 3 is the structural representation of a kind of scalable internal gear torque of valve electric device controlling organization involved by the present invention.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the 3 d stereoscopic of a kind of scalable internal gear torque of valve electric device controlling organization involved by the present invention Figure.
Wherein: 1 is casing, 2 is axis of torque, and 3 is microswitch support, and 4 is rotating disk, and 5 is straight pin, and 6 for closing to convex Wheel sheet, 7 is spacer, and 8 for being opened to cam bit, and 9 is microswitch, and 10 is base, and 11-1 is overhead cam, and 11-2 is lower cam, 12 For lower regulation gear, 13 is brake disc, and 14 is upper regulation gear, and 15 is upper cover.
(5) detailed description of the invention:
Embodiment 1: a kind of scalable internal gear torque of valve electric device controlling organization (see Fig. 3-5), including casing 1, Axis of torque 2, microswitch support 3, straight pin 5 and microswitch 9, described axis of torque 2 and casing 1 shaft hole matching, axis of torque 2 with Microswitch support 3 shaft hole matching, described microswitch support 3 is fixing with casing 1 by screw, thus by axial for axis of torque 2 Fixing, described microswitch 9 is fixed with microswitch support 3 by screw, it is characterised in that also include base 10, overhead cam 11-1, lower cam 11-2, lower regulation gear 12, brake disc 13, upper regulation gear 14 and upper cover 15, on described axis of torque 2 radially Component location guide pin 5；Described base 10 axially positions with axis of torque 2 shaft hole matching and by straight pin 5；Described lower cam 11-2 with Base 10 seam location fit；By seam location fit between described overhead cam 11-1 and lower cam 11-1；Described upper cover 15 Edge and overhead cam 11-1 seam location fit, the dental inlay groove in the middle part of upper cover 15 coordinate with base 10 dental inlay and with axis of torque 2 Shaft hole matching, upper cover 15 is by nut and axis of torque 2 axial restraint；The gear shaft lower end of described lower regulation gear 12 and base 10 Axis hole and end face location, lower regulation gear 12 engages with lower cam 11-2 internal tooth, and the gear shaft upper end of lower regulation gear 12 is with upper Covering 15 axis holes and end face location, lower regulation gear 12 is locked with lower cam 11-2；Described upper regulation gear 14 and base 10 axis hole And end face location, and engage with overhead cam 11-1 internal tooth, position with upper cover 15 axis hole and end face, upper regulation gear 14 and epirelief Wheel 11-1 locking.
Lower regulation gear 12 described above is locked by brake disc 13 with lower cam 11-2, and described brake disc 13 passes through square hole Coordinate with the square shaft position of the gear shaft of lower regulation gear 12, fixed with upper cover 15 by holding screw.
Upper regulation gear 14 described above is locked by brake disc 13 with overhead cam 11-1, and described brake disc 13 passes through square hole Coordinate with the square shaft position of the gear shaft of upper regulation gear 14, fixed with upper cover 15 by holding screw.
The method of work of a kind of above-mentioned scalable internal gear torque of valve electric device controlling organization, its feature is in concrete step Rapid as follows:
(1) Torque-adjusting: unclamp the holding screw of fixed cover 15 and brake disc 13, rotates lower regulation gear 12, thus Drive lower cam 11-2 internal tooth, make lower cam 11-2 rotate, rotation regulates gear 14, thus drives overhead cam 11-1 internal tooth, Make overhead cam 11-2 rotate, thus adjust the anglec of rotation of axis of torque 2, reach the purpose of torque adjusting, then fasten clamp screw Nail；
(2) direct torque: axis of torque 2 rotarily drives fixing seat 10 and rotates, thus drive overhead cam 11-1 and lower cam 11- 2 rotate；By being rotated clockwise of axis of torque 2 so that outer rim and the microswitch 9 of lower cam 11-2 are touched, and make fine motion Switch 9 disconnection, thus cut off Guan Xianghuo and be opened to loop, leave the motor off rotation；Rotated by the counter clockwise direction of axis of torque 2, The outer rim and the microswitch 9 that make overhead cam 11-1 are touched, and make microswitch 9 disconnect, thus cut off and be opened to or close to loop, make Motor stalls.
Embodiment 2: a kind of scalable internal gear torque of valve electric device controlling organization, including casing 1, axis of torque 2, micro- Dynamic switch bracket 3, straight pin 5 and microswitch 9, described axis of torque 2 and casing 1 shaft hole matching, axis of torque 2 props up with microswitch Frame 3 shaft hole matching, described microswitch support 3 is fixing with casing 1 by screw, thus by axis of torque 2 axial restraint, described micro- Dynamic switch 9 is fixed with microswitch support 3 by screw, it is characterised in that also include base 10, overhead cam 11-1, lower cam 11-2, lower regulation gear 12, brake disc 13, upper regulation gear 14 and upper cover 15, described axis of torque 2 radially assembles straight pin 5； Described base 10 axially positions with axis of torque 2 shaft hole matching and by straight pin 5；Described lower cam 11-2 is fixed with base 10 seam Position coordinates；By seam location fit between described overhead cam 11-1 and lower cam 11-1；The edge of described upper cover 15 and epirelief Wheel 11-1 seam location fit, the dental inlay groove in the middle part of upper cover 15 coordinate with base 10 dental inlay and with axis of torque 2 shaft hole matching, upper cover 15 by nut and axis of torque 2 axial restraint；The gear shaft lower end of described lower regulation gear 12 is fixed with base 10 axis hole and end face Position, lower regulation gear 12 engages with lower cam 11-2 internal tooth, the gear shaft upper end of lower regulation gear 12 and upper cover 15 axis hole and end Face positions, and lower regulation gear 12 is locked with lower cam 11-2；Described upper regulation gear 14 and base 10 axis hole and end face location, and And engage with overhead cam 11-1 internal tooth, positioning with upper cover 15 axis hole and end face, upper regulation gear 14 is locked with overhead cam 11-1.
Lower regulation gear 12 described above and lower cam 11-2 are by gear self-locking.
Upper regulation gear 14 described above and overhead cam 11-1 are by gear self-locking.
The method of work of a kind of above-mentioned scalable internal gear torque of valve electric device controlling organization, its feature is in concrete step Rapid as follows:
(1) Torque-adjusting: rotate lower regulation gear 12, thus drive lower cam 11-2 internal tooth, make lower cam 11-2 rotate, Regulate gear 14 in rotation, thus drive overhead cam 11-1 internal tooth, make overhead cam 11-2 rotate, thus adjust the rotation of axis of torque 2 Gyration, reaches the purpose of torque adjusting；
(2) direct torque: axis of torque 2 rotarily drives fixing seat 10 and rotates, thus drive overhead cam 11-1 and lower cam 11- 2 rotate；By being rotated clockwise of axis of torque 2 so that outer rim and the microswitch 9 of lower cam 11-2 are touched, and make fine motion Switch 9 disconnection, thus cut off Guan Xianghuo and be opened to loop, leave the motor off rotation；Rotated by the counter clockwise direction of axis of torque 2, The outer rim and the microswitch 9 that make overhead cam 11-1 are touched, and make microswitch 9 disconnect, thus cut off and be opened to or close to loop, make Motor stalls.

Claims (5)

1. a scalable internal gear torque of valve electric device controlling organization, including casing, axis of torque, microswitch support, Straight pin and microswitch, described axis of torque and casing shaft hole matching, axis of torque coordinates with microswitch rack shaft hole, described micro- Dynamic switch bracket is fixed with casing by screw, thus by axis of torque axial restraint, described microswitch passes through screw and fine motion Switch bracket is fixed, it is characterised in that also include base, overhead cam, lower cam, lower regulation gear, brake disc, upper regulation gear And upper cover, described axis of torque radially assembles straight pin；Described base and axis of torque shaft hole matching and by cylindrical pin to calmly Position；Described lower cam and base seam location fit；By seam location fit between described overhead cam and lower cam；On described The edge of lid and overhead cam seam location fit, the dental inlay groove in the middle part of upper cover coordinates with base dental inlay and joins with axis of torque axis hole Closing, upper cover is by nut and axis of torque axial restraint；The gear shaft lower end of described lower regulation gear is fixed with base axis hole and end face Position, lower regulation gear engages with lower cam internal tooth, the gear shaft upper end of lower regulation gear and upper cover axis hole and end face location, lowers Joint gear and lower camlock；Described upper regulation gear and base axis hole and end face location, and engage with overhead cam internal tooth, with Upper cover axis hole and end face location, upper regulation gear is locked with overhead cam.
A kind of scalable internal gear torque of valve electric device controlling organization, it is characterised in that institute Stating lower regulation gear locked by brake disc with lower cam or pass through gear self-locking, described brake disc is by square hole and lower regulation tooth The square shaft position of the gear shaft of wheel coordinates, and is fixed with upper cover by holding screw.
A kind of scalable internal gear torque of valve electric device controlling organization, it is characterised in that institute Stating regulation gear locked by brake disc with overhead cam or pass through gear self-locking, described brake disc is by square hole and upper regulation tooth The square shaft position of the gear shaft of wheel coordinates, and is fixed with upper cover by holding screw.
4. a method of work for scalable internal gear torque of valve electric device controlling organization, its feature described in claim 1 Specifically comprising the following steps that
(1) Torque-adjusting: regulate gear under rotation, thus drive lower cam internal tooth, make lower cam rotate, rotation regulates tooth Wheel, thus drive overhead cam internal tooth, make overhead cam rotate, thus adjust the anglec of rotation of axis of torque, reach the mesh of torque adjusting 's；
(2) direct torque: axis of torque rotarily drives fixing seat and rotates, thus drive overhead cam and lower cam to rotate；Pass through moment Being rotated clockwise of axle so that the outer rim of lower cam and microswitch touching, make microswitch disconnect, thus cut off close to Or it is opened to loop, leave the motor off rotation；Rotated by the counter clockwise direction of axis of torque so that outer rim and the fine motion of overhead cam are opened Close touching, make microswitch disconnect, thus cut off and be opened to or close to loop, leave the motor off rotation.
A kind of method of work of scalable internal gear torque of valve electric device controlling organization, its It is characterised by described step (1) Torque-adjusting, before rotating lower regulation gear, first unclamps the clamp screw of fixed cover and brake disc Nail, fastens holding screw after all having regulated again.
CN201410444545.1A 2014-09-03 2014-09-03 Scalable internal gear torque of valve electric device controlling organization and method of work thereof Active CN104154295B (en)

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CN109460081B (en) * 2018-12-25 2023-11-24 常州机电职业技术学院 Moment signal detection and amplification mechanism for small-torque actuating mechanism
CN110513526A (en) * 2019-09-04 2019-11-29 九源科技湖北有限公司 A kind of regulating device for valve switch

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JPH11294617A (en) * 1998-04-09 1999-10-29 Sankyo Seiki Mfg Co Ltd Valve driving unit
CN201554922U (en) * 2009-11-18 2010-08-18 天津埃柯特阀门控制设备有限公司 Stroke controller of multiple-rotary valve electric device
CN103174871B (en) * 2013-03-07 2015-12-23 江苏雷利电机股份有限公司 Valve open and close controlling mechanism
CN203770721U (en) * 2014-01-24 2014-08-13 陈汉年 Constant temperature faucet valve element and constant temperature faucet
CN204213449U (en) * 2014-09-03 2015-03-18 天津百利二通机械有限公司 Adjustable internal gear torque of valve electric device control mechanism

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