CN2924219Y

CN2924219Y - Q-series valve electric actuator

Info

Publication number: CN2924219Y
Application number: CN 200620071851
Authority: CN
Inventors: 李涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-23
Filing date: 2006-05-23
Publication date: 2007-07-18
Anticipated expiration: 2016-05-23

Abstract

A Q-series valve electric actuator including an electric control mechanism, a manual control mechanism, an output mechanism, a stroke control mechanism, a deflecting couple control mechanism and a position indication mechanism is characterized in that a manual reducing mechanism is fixedly arranged on the shell of the side where the manual control mechanism lies in. The manual reducing mechanism can be a secondary reducing gear pair. The worm and gear pair connected with the output mechanism is driven by the output power of the manual reducing mechanism. The utility model can set a needed manual reducing rate easily so as to change the operation force when driving a valve manually which can solve the phenomenon that is especially hard or not able to shake when starting and stopping a large moment valve.

Description

Q series of valves electric actuator

Technical field:

The utility model relates to electric valve executing mechanism, more specifically says so to have the electric valve executing mechanism of manual control function.

Background technique

The rotating electric valve executing mechanism of part that uses in all trades and professions at present is to utilize manual or electronic two formula revolutions of open and close mode of operation of carrying out.Manual control in the existing electric actuator generally is that the single-stage worm and gear slows down, and speed ratio is less, so that shakes motionless phenomenon can't solve big moment valve manual opening-closing valve the time especially painstakingly or at all.

Summary of the invention:

The utility model is for avoiding above-mentioned existing in prior technology deficiency, provides that a kind of manually-operable is free and relaxed, debugging or Q series of valves electric actuator easy to maintenance.

The technological scheme that the utility model technical solution problem is adopted is:

The utility model comprises electric control mechanism, manual control mechanism, output mechanism, range controlling mechanism, torque controling mechanism and position indicating device.

Structural feature of the present utility model is to fixedly install manual reducing gear on the housing of described manual control mechanism place one side.

Structural feature of the present utility model is that also described manual reducing gear is the double-reduction gear pair.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

1, increase is provided with reducing gear in the utility model man-operated mechanism, make installation, the debugging of equipment, and the manually-operable valve under the state of emergency is free and relaxed.

2, the utility model is simple in structure, easy to implement.

Description of drawings:

Fig. 1 is the utility model structural representation.

Fig. 2 is that the A-A of Fig. 1 is to view.

Number in the figure: 1 electric control mechanism, 2 manual control mechanisms, 3 output mechanisms, 4 range controlling mechanisms, 5 torque controling mechanisms, 6 position indicating devices, 7 manual worms, 8 worm gears, 9 driven gear II, 10 driven gear shafts, 11 driven gear I, 12 decelerating casings, 13 decelerating casings lid, 14 radial ball bearings, 15 driving gear shafts, 16 handwheels.

Below in conjunction with accompanying drawing the utility model is further described:

Embodiment:

Referring to Fig. 1, Fig. 2, present embodiment comprises electric control mechanism 1, manual control mechanism 2, output mechanism 3, range controlling mechanism 4, torque controling mechanism 5 and position indicating device 6.

In the present embodiment, fixedly install manual reducing gear on the housing of the electric actuator of handwheel 16 places one side, concrete enforcement is to carry out following operation successively:

Manual worm 7 is packed in the electric actuator gear cavity,, decelerating casing 12 is installed then with worm gear 8 engagements; The driven gear II9 that in the decelerator body 12, packs into, driven gear II9 is fixedlyed connected with flat key with the manual worm rotating shaft; Pack into driven gear shaft 10, driven gear I11 packs into, driven gear I11 is fixedlyed connected with driven gear shaft 10 usefulness flat keys, radial ball bearing 14 is installed on the axle head of manual worm 7, driving gear shaft 15 is sleeved on the bearing, driving gear shaft 15 forms coaxial slowing-down structure not at the same level with manual worm 7, the decelerating casing that closes lid 13; Handwheel 16 is contained in the outer end of driving gear shaft 15, fixedly connected with flat key.

Increase is provided with the double reduction gearing pair in the present embodiment, constitutes the secondary reducing gear of tertiary gear jointly with the worm and gear gear pair, and this structural type can be provided with needed manual reduction speed ratio very like a cork, the steering force during with change manual drives valve.

Claims

1, Q series of valves electric actuator, comprise electric control mechanism (1), manual control mechanism (2), output mechanism (3), range controlling mechanism (4), torque controling mechanism (5) and position indicating device (6), it is characterized in that on the housing of described manual control mechanism (2) place one side, fixedly installing manual reducing gear.

2,, it is characterized in that described manual reducing gear is that the secondary gear deceleration is secondary according to the described Q series of valves of claim 1 electric actuator.