A manual locking device for a valve actuator
A valve actuation and locking device technology, applied in valve devices, devices to prevent accidental or unauthorized action, valve details, etc. problem, to achieve the effect of reasonable locking effect, simple and convenient operation, and large bearing area
Active Publication Date: 2016-05-11
YANGZHOU ELECTRIC POWER EQUIP MFG FACTORY CO LTD +2
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] At present, conventionally used locking devices often fail to lock tightly, are easy to lose position, and are cumbersome to operate; secondly, the holding force of conventional locking devices is not easy to adjust; thirdly, after conventional locking devices are locked, the thread Or the surface of the shaft parts is damaged; at the same time, the conventional locking device does not have a scale, which cannot guarantee that the valve actuator will not interfere with the manual operation when it is powered by electricity, gas or hydraulic.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0030] The present invention as Figure 1-8 As shown, the valve actuator includes a body 17, a manual shaft 18, a push rod 19, and a manual mechanism 4, and the manual mechanism 4 includes a hand wheel 41 and a manual driver 42 (the manual driver is a screw for realizing electric execution The opening and closing action of the mechanism), the manual driver 42 is connected to the hand wheel 41; the manual shaft 18 and the push rod 19 are respectively arranged in the body 17, and the manual shaft 18 and the manual The driver 42 is coaxial and fixedly connected below the manual driver 42. The top of the push rod 19 is provided with a stroke chamber 190, and the manual shaft 18 is arranged in the stroke chamber 190 to drive the Push rod 19 action;
[0031] The manual locking device includes a manual nut 1, a locking handle 2, an eccentric shaft 3, a locking nut 91 and a pin shaft 7,
[0032] Such as Figure 4-7 As shown, the manual nut 1 includes a connected chassis 111 and a n...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a manual locking device for a valve actuating mechanism. The manual locking device is simple in structure and operation, reliable in locking, adjustable in locking force and less prone to damage of locking parts. The valve actuating mechanism comprises a body, a manual shaft, a push rod and a manual mechanism, and the manual mechanism comprises a hand wheel and manual driving parts connected onto the hand wheel. The manual locking device comprises a manual nut, a locking handle, an eccentric shaft, a locking nut and a pin, the manual nut comprises a base plate and a nut body, the base plate and the nut body are connected integrally and provided with corresponding mesopores respectively, the nut body is positioned on the top face of the base plate which is mounted on the body through a screw, and the manual driving parts are arranged in the mesopores corresponding to the nut body and the base plate. The manual locking device for the valve actuating mechanism is structurally compact, firm and reliable, large in stressed area, high in strength and simple and convenient to operate; locking effects are more reasonable.
Description
technical field [0001] The invention relates to a valve actuator, in particular to a manual locking device for a valve actuator. Background technique [0002] In the valve actuator, the manual parts are indispensable, and often the manual parts will use the locking device to ensure the manual position and the valve actuator does not interfere with the manual when it is electric, pneumatic or hydraulic. [0003] At present, conventionally used locking devices often fail to lock tightly, are easy to lose position, and are cumbersome to operate; secondly, the holding force of conventional locking devices is not easy to adjust; thirdly, after conventional locking devices are locked, the thread Or the surface of the shaft parts is greatly damaged; at the same time, the conventional locking device does not have a scale, which cannot guarantee that the valve actuator will not interfere with the manual operation when it is powered by electricity, gas or hydraulic pressure. Content...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F16K35/00
CPCF16K35/06
Inventor 陈久松韩松徐文才张为龚九洲钱荣李培培孙涛李军
Owner YANGZHOU ELECTRIC POWER EQUIP MFG FACTORY CO LTD