CN211667164U - Flexible connection feedback device suitable for hydraulic control butterfly valve - Google Patents
Flexible connection feedback device suitable for hydraulic control butterfly valve Download PDFInfo
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- CN211667164U CN211667164U CN201921842385.0U CN201921842385U CN211667164U CN 211667164 U CN211667164 U CN 211667164U CN 201921842385 U CN201921842385 U CN 201921842385U CN 211667164 U CN211667164 U CN 211667164U
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- displacement sensor
- angular displacement
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- rotating shaft
- butterfly valve
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Abstract
The utility model discloses a flexible connection feedback device suitable for a hydraulic control butterfly valve in the field of hydraulic control butterfly valves, which comprises a valve rotating shaft connecting rod, a first transmission flange, a leather bag, a second transmission flange, an angular displacement sensor adjusting rotating shaft, a cushion block and an angular displacement sensor shell, wherein the valve rotating shaft connecting rod is welded with a lower tail shaft of the first transmission flange, the upper end surface of the first transmission flange is fixed with one end of the leather bag through a bolt, the other end of the leather bag is fixed with the lower end surface of the second transmission flange through a bolt, the upper tail shaft of the second transmission flange is connected with the angular displacement sensor adjusting rotating shaft of the angular displacement sensor shell, the cushion block is additionally arranged between the angular displacement sensor shell and a fixed support, the harmful influence of overlarge impact force on the angular displacement sensor in the quick closing process of the butterfly valve is effectively solved, the installation accuracy requirement of the, the equipment installation process flow is simplified, and the equipment operation reliability is greatly improved.
Description
Technical Field
The utility model relates to a liquid accuse butterfly valve technical field specifically is a flexonics feedback device suitable for liquid accuse butterfly valve.
Background
The hydraulic control butterfly valve has the functions of a gate valve and a check valve, can realize the action sequence of quick closing and slow closing according to preset programs in stages and angles, has obvious functions of eliminating and inhibiting the hazards of water hammer, pump machine reversal and the like generated in the process of sudden power failure or accident pump stopping, and is widely applied to a circulating water system and a steam extraction system of a thermal power plant. The angular displacement sensor is connected with a rotating shaft connecting rod of the hydraulic control butterfly valve, and has the functions of measuring the rotation angle of the butterfly valve, converting the rotation angle into a current signal and sending the current signal to the controller to control the opening of the butterfly valve. In the past, the angular displacement sensor is all rigidly connected on the rotating shaft connecting rod, and the valve moves more in daily operation, so that the angular displacement sensor is frequently damaged, and after replacement, the angular displacement sensor still can be damaged after running for a period of time, and the running efficiency of a unit is seriously influenced. The analysis shows that: the hydraulic control butterfly valve is high in opening and closing instant driving force (14MP), certain centrifugal force is generated when the valve is closed quickly, the coaxiality of the rotating shaft and the rotating shaft connecting rod and the angular displacement sensor is difficult to guarantee, and therefore the angular displacement sensor is damaged due to overlarge impact force caused by shaft system eccentricity in the rotating process of the butterfly valve.
Based on this, the utility model designs a flexonics feedback device suitable for liquid accuse butterfly valve to solve among the above-mentioned solution prior art liquid accuse butterfly valve and close very hardly guarantee pivot connecting rod and angle displacement sensor and adjust the pivot axiality many times, lead to the problem that the phenomenon emergence occasionally of angle displacement sensor damage easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexonics feedback device suitable for liquid accuse butterfly valve effectively solves the too big diagonal displacement sensor's of butterfly valve fast turn-off in-process impact force harmful effects, has reduced the installation accuracy requirement that liquid accuse butterfly valve pivot connecting rod and angle displacement sensor adjusted the pivot axiality, has simplified equipment fixing process flow, has improved the reliability of equipment operation greatly to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexonics feedback device suitable for liquid accuse butterfly valve, includes valve pivot connecting rod, transmission flange one, leather bag, transmission flange two, angle displacement sensor adjustment pivot, cushion and angle displacement sensor shell, the welding of lower tail-shaft of valve pivot connecting rod and transmission flange one, the up end of transmission flange one passes through the bolt fastening with the one end of leather bag, and the other end of leather bag passes through the bolt fastening with the lower terminal surface of transmission flange two, the last tail-shaft of transmission flange two is connected with the angle displacement sensor adjustment pivot of angle displacement sensor shell, install the cushion additional between angle displacement sensor shell and the fixed bolster to through the bolt fastening, the angle displacement sensor shell is fixed in on the butterfly valve body through the fixed bolster.
Preferably, the valve rotating shaft connecting rod, the first transmission flange, the second transmission flange and the angular displacement sensor adjusting rotating shaft are coaxially arranged.
Preferably, the leather bag and the cushion block are made of rubber materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts a coaxial welding fixed connection mode between the rotating shaft connecting rod of the hydraulic control butterfly valve and the transmission flange, so that the transmission flange can not loosen in the quick closing process of the butterfly valve, and the rotating shaft connecting rod of the hydraulic control butterfly valve and the transmission flange can effectively ensure the synchronous rotation in the operation process;
2. the utility model discloses an increase rubber leather bag flexonics, can effectively solve the harmful effects of butterfly valve fast closing in-process impact force too big diagonal displacement sensor, reduced the installation accuracy requirement that liquid accuse butterfly valve pivot connecting rod and angle displacement sensor adjusted the pivot axiality moreover, simplified equipment fixing process flow.
3. The utility model discloses an increase the yielding rubber cushion, can effectively alleviate the damage that liquid accuse butterfly valve body vibrations diagonal displacement sensor, improved the reliability of equipment operation greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a valve spindle connecting rod; 2. a first transmission flange; 3. a skin pocket; 4. a second transmission flange; 5. an angular displacement sensor adjusts the rotating shaft; 6. cushion blocks; 7. an angular displacement sensor housing; 8. and fixing the bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a flexible connection feedback device suitable for a hydraulic control butterfly valve comprises a valve rotating shaft connecting rod 1, a first transmission flange 2, a leather bag 3, a second transmission flange 4, an angular displacement sensor adjusting rotating shaft 5, a cushion block 6 and an angular displacement sensor shell 7, wherein the valve rotating shaft connecting rod 1 is welded with a lower tail shaft of the first transmission flange 2, a coaxial welding fixed connection mode is adopted, the transmission flange cannot loosen in the quick closing process of the butterfly valve, the synchronous rotation of the hydraulic control butterfly valve rotating shaft connecting rod 1 and the first transmission flange 2 can be effectively ensured in the operation process, the upper end face of the first transmission flange 2 and one end of the leather bag 3 are fixed through bolts, the other end of the leather bag 3 and the lower end face of the second transmission flange 4 are fixed through bolts, the upper tail shaft of the second transmission flange 4 is connected with the angular displacement sensor adjusting rotating shaft 5 of the angular displacement sensor shell 7, and the flexible connection, the harmful influence of overlarge impact force on the angular displacement sensor in the butterfly valve quick closing process can be effectively solved, the installation precision requirement of the hydraulic control butterfly valve rotating shaft connecting rod 1 and the coaxiality of the adjusting rotating shaft 5 of the angular displacement sensor is lowered, and the equipment installation process flow is simplified. Install cushion 6 additional between angle displacement sensor shell 7 and the fixed bolster 8 to through the bolt fastening, increase yielding rubber cushion 6, can effectively alleviate the damage of liquid accuse butterfly valve body vibrations diagonal displacement sensor. The reliability of equipment operation is greatly improved, and the angular displacement sensor shell 7 is fixed on the hydraulic control butterfly valve body through the fixing support 8.
The valve rotating shaft connecting rod 1, the first transmission flange 2, the second transmission flange 4 and the angular displacement sensor adjusting rotating shaft 5 are coaxially arranged. The leather bag 3 and the cushion block 6 are made of rubber.
The specific working principle is as follows:
when the hydraulic control butterfly valve rotates, the valve rotating shaft connecting rod 1 is driven to rotate, the valve rotating shaft connecting rod 1 drives the transmission flange I2 to rotate, the transmission flange I2 drives the transmission flange II 4 to rotate together through the rubber bag 3, and the transmission flange II 4 drives the angular displacement sensor adjusting rotating shaft 5 to rotate so as to change the resistance value of the angular displacement sensor. Install the yielding rubber cushion 6 of buffering vibrations additional between angle displacement sensor shell 7 and the fixed bolster 8, angle displacement sensor shell 7 is fixed to the valve body through fixed bolster 8 on, does not rotate along with angle displacement sensor adjustment pivot 5.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The utility model provides a flexonics feedback device suitable for liquid accuse butterfly valve which characterized in that: comprises a valve rotating shaft connecting rod (1), a first transmission flange (2), a leather bag (3), a second transmission flange (4), an angular displacement sensor adjusting rotating shaft (5), a cushion block (6) and an angular displacement sensor shell (7), the valve rotating shaft connecting rod (1) is welded with the lower tail shaft of the transmission flange I (2), the upper end surface of the transmission flange I (2) is fixed with one end of the leather bag (3) through a bolt, the other end of the leather bag (3) is fixed with the lower end surface of the transmission flange II (4) through a bolt, the upper tail shaft of the second transmission flange (4) is connected with an angular displacement sensor adjusting rotating shaft (5) of an angular displacement sensor shell (7), a cushion block (6) is additionally arranged between the angular displacement sensor shell (7) and the fixed bracket (8), and is fixed by bolts, and the angular displacement sensor shell (7) is fixed on the hydraulic control butterfly valve body by a fixing bracket (8).
2. The flexible connection feedback device for use with a pilot operated butterfly valve of claim 1, wherein: the valve rotating shaft connecting rod (1), the first transmission flange (2), the second transmission flange (4) and the angular displacement sensor adjusting rotating shaft (5) are coaxially arranged.
3. The flexible connection feedback device for use with a pilot operated butterfly valve of claim 1, wherein: the leather bag (3) and the cushion block (6) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842385.0U CN211667164U (en) | 2019-10-29 | 2019-10-29 | Flexible connection feedback device suitable for hydraulic control butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842385.0U CN211667164U (en) | 2019-10-29 | 2019-10-29 | Flexible connection feedback device suitable for hydraulic control butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211667164U true CN211667164U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921842385.0U Active CN211667164U (en) | 2019-10-29 | 2019-10-29 | Flexible connection feedback device suitable for hydraulic control butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211667164U (en) |
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2019
- 2019-10-29 CN CN201921842385.0U patent/CN211667164U/en active Active
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