CN214146763U

CN214146763U - Rotary electric device for hydraulic valve

Info

Publication number: CN214146763U
Application number: CN202120157131.6U
Authority: CN
Inventors: 黄臶
Original assignee: Tianjin Beifang Valve Actuator Co ltd
Current assignee: Tianjin Beifang Valve Actuator Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-09-07
Anticipated expiration: 2031-01-20

Abstract

The invention provides a rotary electric device for a hydraulic valve, which comprises an assembly frame and a connecting rod rotatably mounted on the assembly frame, wherein a driving mechanism for driving the connecting rod to rotate is arranged on the assembly frame, the driving mechanism comprises a rotating shaft arranged on the assembly frame corresponding to the connecting rod and a driving gear arranged on the rotating shaft, a driving motor for driving the rotating shaft to rotate is arranged on the assembly frame, one end of the rotating shaft is rotatably mounted on the assembly frame, the other end of the rotating shaft is connected with the output end of the driving motor through a universal joint transmission shaft, a driven gear matched with the driving gear is arranged on the connecting rod, and the diameter of the driven gear is larger than that of the driving gear; and a manual adjusting assembly for driving the rotating shaft to rotate is arranged on the assembling frame. The invention has simple structure, easy operation and use, low maintenance and production cost and is very suitable for popularization and use.

Description

Rotary electric device for hydraulic valve

Technical Field

The invention belongs to the field of valve electric actuators, and particularly relates to a rotary electric device for a hydraulic valve.

Background

The valve electric actuator refers to a machine which takes electric energy as a main energy source and is used for driving a valve. Because the high-voltage switch is a precise electrical appliance element, certain explosion-proof and protection level requirements are generally required for the high-voltage switch; according to the applicable working conditions, the explosion-proof type and the common type are further divided; according to voltage, the voltage is mainly divided into AC380V, AC220V and DC24V in China; the rotary electric actuator is divided into an on-off type and an adjusting type according to the action mode of the actuator, and is generally suitable for valves such as adjusting valves, gate valves, stop valves and the like which need to rotate valve rods for many times to open and close, or for parts of rotary valves such as butterfly valves, ball valves, plug valves and the like to be driven by a worm gear transmission device, but the existing rotary electric devices are generally complex in structure, not beneficial to assembly and maintenance, and high in production and use cost.

Disclosure of Invention

In view of the above, the present invention provides a rotary electric device for a hydraulic valve, which is provided to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a rotary electric device for a hydraulic valve comprises an assembly frame and a connecting rod rotatably mounted on the assembly frame, wherein a driving mechanism used for driving the connecting rod to rotate is arranged on the assembly frame, the driving mechanism comprises a rotating shaft arranged on the assembly frame corresponding to the connecting rod and a driving gear arranged on the rotating shaft, a driving motor used for driving the rotating shaft to rotate is arranged on the assembly frame, one end of the rotating shaft is rotatably mounted on the assembly frame, the other end of the rotating shaft is connected with the output end of the driving motor through a universal joint transmission shaft, a driven gear matched with the driving gear is arranged on the connecting rod, and the diameter of the driven gear is larger than that of the driving gear; and a manual adjusting assembly for driving the rotating shaft to rotate is arranged on the assembling frame.

Furthermore, a protective cover is arranged on the assembly frame corresponding to the driving mechanism.

Furthermore, one end of the connecting rod, which extends out of the assembling frame, is provided with an assembling groove which can be matched with the valve rod of the valve.

Further, manual regulation subassembly includes the dwang that sets up on the assembly jig, on the assembly jig with dwang normal running fit's sleeve, the dwang passes telescopic one end and is equipped with manual gear, and the other end is equipped with the hand wheel, be equipped with on the connecting rod with manual gear complex driven gear.

Further, the sleeve is a regular polygon prism structure, a clamping groove matched with the sleeve is formed in the hand wheel, and a clamping block matched with the clamping groove is formed in the rotating rod.

Furthermore, the sleeve is provided with a limiting ring for limiting the movement of the hand wheel, the limiting ring is provided with a magnetic strip, and the hand wheel is provided with a magnetic block matched with the magnetic strip.

Furthermore, the fixture block is rotatably provided with a ball, a groove matched with the ball is arranged on the hand wheel corresponding to the position of the fixture groove, and the groove is communicated with the fixture groove.

Compared with the prior art, the invention has the following advantages:

the invention has simple structure, easy operation and use, low maintenance and production cost and is very suitable for popularization and use; the universal joint transmission shaft is adopted to drive the rotating shaft, so that the reliability of the rotary electric device in the use process is improved, the driving gear on the transmission shaft can be ensured to be always stably matched with the driven gear, the assembling and maintaining difficulty of the rotating shaft is reduced, an operator can conveniently and respectively disassemble the universal joint transmission shaft or the rotating shaft, the maintaining difficulty of the rotary electric device is greatly reduced, and the reliability and the service life of the rotary electric device are further improved; through setting up manual adjusting part, solved the valve control of driving motor during normal work, improved the reliability of this kind of gyration electric actuator in the use greatly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of a manual adjustment assembly in an embodiment of the present invention;

fig. 3 is a schematic structural view of a hand wheel with a slot and a sleeve in cooperation in the inventive embodiment of the present invention.

Description of reference numerals:

1-assembling frames; 2-driving the motor; 3-a cardan drive shaft; 4-a connecting rod; 5-assembling a groove; 6-rotating shaft; 7-a driving gear; 8-a driven gear; 9-a driven gear; 10-rotating rods; 11-manual gear; 12-a sleeve; 13-a cartridge; 14-a hand wheel; 15-a protective cover; 16-a ball bearing; 17-a magnetic block; 18-a magnetic strip; 19-a stop collar; 20-groove.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A rotary electric device for a hydraulic valve is shown in figures 1 to 3 and comprises an assembly frame 1 and a connecting rod 4 rotatably mounted on the assembly frame 1, wherein a driving mechanism for driving the connecting rod 4 to rotate is arranged on the assembly frame 1, the driving mechanism comprises a rotating shaft 6 arranged on the assembly frame 1 corresponding to the connecting rod 4 and a driving gear 7 arranged on the rotating shaft 6, a driving motor 2 for driving the rotating shaft 6 to rotate is arranged on the assembly frame 1, one end of the rotating shaft 6 is rotatably mounted on the assembly frame 1, the other end of the rotating shaft is connected with the output end of the driving motor 2 through a universal joint transmission shaft 3, a driven gear 8 matched with the driving gear 7 is arranged on the connecting rod 4, and the diameter of the driven gear 8 is larger than that of the driving gear 7; and a manual adjusting assembly for driving the rotating shaft 6 to rotate is arranged on the assembling frame 1.

Specifically, the assembly jig 1 can adopt the rectangular frame structure of an organic whole or components of a whole that can function independently, connecting rod 4 and axis of rotation 6 all can rotate through the bearing and install on the assembly jig 1, technical personnel in the field can also adopt other modes to rotate installation connecting rod 4 and axis of rotation 6, as long as can realize connecting rod 4 and axis of rotation 6 steady rotation on the assembly jig 1 can, the connected mode between universal joint transmission shaft 3 and axis of rotation 6 and driving motor 2 can adopt current connected mode, technical personnel in the field can also adopt other modes, as long as can realize that driving motor 2 drives axis of rotation 6 steady rotation can, driving motor 2 can adopt current motor, technical personnel in the field can select by oneself, driving motor 2 stiff end also can be through the mounting screw on the assembly jig 1.

Realize the drive to axis of rotation 6 through adopting universal joint transmission shaft 3, be favorable to improving the reliability of this kind of gyration electric actuator in the use, ensure that transmission epaxial driving gear 7 can be stable all the time and driven gear 8 cooperation, the assembly and the maintenance degree of difficulty of axis of rotation 6 have been reduced simultaneously, operating personnel can be very convenient dismantle universal joint transmission shaft 3 or axis of rotation 6 respectively, greatly reduced this kind of gyration electric actuator's the maintenance degree of difficulty, be favorable to further improving this kind of gyration electric actuator's reliability and life.

Preferably, the universal joint transmission shaft 3 can also adopt telescopic universal joint transmission shaft 3 such as SCX10 type telescopic transmission shaft, telescopic universal joint transmission shaft 3 not only can realize multi-angle transmission, but also can realize telescopic adjustment, reserve certain surplus for the assembly of axis of rotation 6, the requirement to the 6 precision of axis of rotation has further been reduced, operating personnel can adopt not rotation axis 6 of equidimension to assemble even when assembling axis of rotation 6, further has reduceed this kind of gyration electric actuator's maintenance and maintenance degree of difficulty, greatly reduced this kind of gyration electric actuator's production and use cost, do benefit to extensive popularization and use.

A protective cover 15 is arranged on the assembly frame 1 corresponding to the driving mechanism; specifically, the protection cover 15 can be installed on the assembly jig 1 through screws, and a person skilled in the art can also install the protection cover 15 in other ways, as long as the protection cover 15 can play a good protection role for the driving mechanism, the protection cover 15 can also be of a split structure, and the protection covers 15 can also be fixedly connected through screws, and the person skilled in the art can select the protection cover by oneself, as long as the shielding and the protection of the driving mechanism can be realized.

One end of the connecting rod 4 extending out of the assembling frame 1 is provided with an assembling groove 5 which can be matched with a valve rod of the valve; specifically, the assembly groove 5 can adopt a shape matched with the valve rod head, as long as stable matching with a corresponding valve rod can be realized, the assembly frame 1 can be integrally installed on a valve cover of the valve through a screw, and a person skilled in the art can also install the assembly frame 1 or the connecting rod 4 in other modes as long as stable rotation of the valve rod can be realized by the rotary electric device.

The manual adjusting assembly comprises a rotating rod 10 arranged on an assembly frame 1, a sleeve 12 which is in rotating fit with the rotating rod 10 is arranged on the assembly frame 1, a manual gear 11 is arranged at one end of the rotating rod 10, which penetrates through the sleeve 12, a hand wheel 14 is arranged at the other end of the rotating rod, and a driven gear 9 which is matched with the manual gear 11 is arranged on the connecting rod 4; specifically, sleeve 12 can be welded and fixed and can be on assembly jig 1, also can adopt other modes to fix, and dwang 10 and axis of rotation 6 can correspond the left and right sides setting of connecting rod 4 respectively, and skilled person in the art also can adopt other modes to arrange dwang 10 and axis of rotation 6, as long as can make dwang 10 and axis of rotation 6 can not take place influence each other can.

The driving gear 7, the driven gear 8, the manual gear 11 and the driven gear 9 can all adopt the existing gear structure, as long as the mutual matching between the gears can be realized, the technical personnel in the field can also adopt the existing gear assembly mode to install the gears, it is not repeated herein that, by making the diameter of the driven gear 8 larger than the driving gear 7, the driving gear 7 and the driven gear 8 can form a simple reducer structure, which increases the torque of the connecting rod 4, ensures that the connecting rod 4 can better drive the valve rod to rotate, improves the reliability of the rotary electric device during operation, meanwhile, the driving connecting rod 4 can be driven to rotate only by matching the driven gear 8 and the driving gear 7, so that the structural complexity of the rotary electric device is greatly reduced, and the fault probability and the production and maintenance cost of the rotary electric device are favorably reduced.

Preferably, the diameter of the driven gear 9 can also be larger than that of the manual gear 11, so that the manual gear 11 and the driven gear 9 also form a similar reducer structure, and an operator can control the opening and closing of the valve better.

The sleeve 12 is a hollow regular polygon prism structure, the hand wheel 14 is provided with a clamping groove matched with the sleeve 12, and the rotating rod 10 is provided with a clamping block 13 matched with the clamping groove; specifically, the sleeve 12 may adopt a regular quadrangular prism or a regular hexagonal prism structure, the corresponding clamping groove and the clamping block 13 may also adopt a square or a regular hexagonal structure, and a person skilled in the art may also select other structures by himself, as long as the hand wheel 14 can be matched with the clamping block 13 and the sleeve 12, the rotating rod 10 may also be rotatably mounted on the assembly frame 1 through a bearing, the protective cover 15 may be provided with an opening for facilitating the assembly of the sleeve 12 and the rotating rod 10, and a person skilled in the art may also mount the protective cover 15 in other manners; the cooperation of hand wheel 14 and fixture block 13 or sleeve 12 can be realized through moving hand wheel 14 along dwang 10 to operating personnel, and when draw-in groove and fixture block 13 cooperation, operating personnel can utilize hand wheel 14 drive dwang 10 to rotate, and when draw-in groove and sleeve 12 cooperation, hand wheel 14 can not follow dwang 10 and rotate, avoids operating personnel maloperation.

A limiting ring 19 for limiting the movement of the hand wheel 14 is arranged on the sleeve 12, a magnetic strip 18 is arranged on the limiting ring 19, and a magnetic block 17 matched with the magnetic strip 18 is arranged on the hand wheel 14; specifically, spacing ring 19 can welded fastening on sleeve 12, also can with sleeve 12 integrated into one piece, magnetic stripe 18 can be fixed on spacing ring 19 through adhesive bonding, magnetic block 17 also can be fixed on hand wheel 14 through adhesive bonding, through magnetic stripe 18 and the cooperation of magnetic block 17, can realize fixed to the magnetism of hand wheel 14, avoid hand wheel 14 to drop, make things convenient for operating personnel to remove and use hand wheel 14, improved the convenience of this kind of gyration electric actuator operation.

The fixture block 13 is rotatably provided with a ball 16, a groove 20 matched with the ball 16 is arranged on the hand wheel 14 corresponding to the position of the fixture groove, and the groove 20 is communicated with the fixture groove; specifically, fixture block 13 can be with dwang 10 integrated into one piece, also can welded fastening, ball 16 can be installed on fixture block 13 through the ball seat, also can set up the mounting groove that is used for installing ball 16 and ball seat on fixture block 13, skilled person in the art can also adopt other modes to install ball 16, as long as can realize ball 16 stable roll on fixture block 13, through setting up ball 16, when operating personnel moves hand wheel 14 to fixture block 13 department, ball 16 can cooperate with recess 20, restriction hand wheel 14's removal, make things convenient for operating personnel to utilize hand wheel 14 drive dwang 10 to rotate, the operation degree of difficulty of this kind of gyration electric actuator has been reduced.

The specific operation of such a rotary electric device is as follows:

when the driving motor 2 can work normally, an operator can drive the rotating shaft 6 by using the driving motor 2 so as to drive the connecting rod 4 to rotate, and the opening and closing of the valve can be controlled; when driving motor 2 can't normally work, for example when outage or trouble, operating personnel can follow dwang 10 and remove hand wheel 14, and the angle of adjustment hand wheel 14, make draw-in groove and the cooperation of fixture block 13 on the hand wheel 14, it rotates to drive dwang 10 through hand wheel 14, and then drive connecting rod 4 and rotate, the realization to the manual control of valve opening and close can, it is very convenient to operate, through setting up manual adjusting part, the valve control problem of driving motor 2 when can't normally work has been solved, the reliability of this kind of gyration electric actuator in the use has been improved greatly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. The utility model provides a hydraulic valve is with gyration electric actuator which characterized in that: the assembly jig comprises an assembly jig and a connecting rod rotatably mounted on the assembly jig, wherein a driving mechanism used for driving the connecting rod to rotate is arranged on the assembly jig, the driving mechanism comprises a rotating shaft arranged on the assembly jig corresponding to the connecting rod and a driving gear arranged on the rotating shaft, a driving motor used for driving the rotating shaft to rotate is arranged on the assembly jig, one end of the rotating shaft is rotatably mounted on the assembly jig, the other end of the rotating shaft is connected with the output end of the driving motor through a universal joint transmission shaft, a driven gear matched with the driving gear is arranged on the connecting rod, and the diameter of the driven gear is larger than that of the driving gear; and a manual adjusting assembly for driving the rotating shaft to rotate is arranged on the assembling frame.

2. A rotary electric actuator for a hydraulic valve according to claim 1, characterized in that: and a protective cover is arranged on the assembly frame corresponding to the driving mechanism.

3. A rotary electric actuator for a hydraulic valve according to claim 1, characterized in that: one end of the connecting rod, which extends out of the assembling frame, is provided with an assembling groove capable of being matched with the valve rod of the valve.

4. A rotary electric actuator for a hydraulic valve according to claim 1, characterized in that: the manual regulation subassembly includes the dwang that sets up on the assembly jig, on the assembly jig with dwang normal running fit's sleeve, the dwang passes telescopic one end and is equipped with hand gear, and the other end is equipped with the hand wheel, be equipped with on the connecting rod with hand gear complex driven gear.

5. A rotary electric device for a hydraulic valve according to claim 4, characterized in that: the sleeve is a regular polygon prism structure, a clamping groove matched with the sleeve is formed in the hand wheel, and a clamping block matched with the clamping groove is formed in the rotating rod.

6. A rotary electric device for a hydraulic valve according to claim 5, characterized in that: the sleeve is provided with a limiting ring used for limiting the movement of the hand wheel, the limiting ring is provided with a magnetic strip, and the hand wheel is provided with a magnetic block matched with the magnetic strip.

7. A rotary electric device for a hydraulic valve according to claim 5, characterized in that: the fixture block is rotatably provided with a ball, a groove matched with the ball is arranged on the hand wheel corresponding to the position of the clamping groove, and the groove is communicated with the clamping groove.