CN116989182A - Valve position feedback and number of turns counting device for multi-rotary valve electric device - Google Patents
Valve position feedback and number of turns counting device for multi-rotary valve electric device Download PDFInfo
- Publication number
- CN116989182A CN116989182A CN202310821621.5A CN202310821621A CN116989182A CN 116989182 A CN116989182 A CN 116989182A CN 202310821621 A CN202310821621 A CN 202310821621A CN 116989182 A CN116989182 A CN 116989182A
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- gear
- connecting shaft
- top plate
- turn
- position feedback
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- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a valve position feedback and turn number counting device for a multi-rotary valve electric device, which comprises a bottom plate, a top plate, a transmission gear set and an indication assembly, wherein an installation cavity is formed between the bottom plate and the top plate; the transmission gear set comprises a first connecting shaft, a second connecting shaft, a driving gear, a first gear assembly and a second gear assembly; the first connecting shaft and the second connecting shaft are both rotationally connected between the bottom plate and the top plate; the driving gear is sleeved on the first connecting shaft and meshed with the potentiometer gear through the transition gear; the first gear assembly comprises a first gear and a second gear which are coaxially sleeved on the second connecting shaft, and the first gear is meshed with the driving gear; the second gear component is meshed with the second gear; the indication assembly comprises a micro switch, a toggle cam and an indication board; the micro switch is fixed on the upper surface of the top plate; the toggle cam and the indication board are respectively fixed at the output end of the second gear assembly, the invention has simple structure, and can realize high-precision transmission of valve position feedback signals and reliability recording of the number of movement turns.
Description
Technical Field
The invention relates to the technical field of valve travel controllers, in particular to a valve position feedback and turn number counting device for a multi-rotation valve electric device.
Background
The multi-rotary valve electric device is an indispensable driving device for realizing the program control, the automatic control and the remote control of the valve, and the movement process of the valve can be controlled by the stroke, the torque or the axial thrust; the stroke opening indicating device is an important display output functional component on the valve electric device, and can reflect the on-off and running working states of the device in real time.
The valve position of the current multi-rotary valve electric device is mostly transmitted to a single-turn potentiometer after the multi-stage gear is decelerated, the structure is complex, the transmission error is increased, the number of movement turns is mainly read from an electronic display screen, and the number of movement turns cannot be normally read when an electronic system is in fault.
Therefore, how to provide a stroke control indicating device with simple structure, which can realize high-precision transmission of valve position feedback signals and high-reliability recording of the number of movement turns is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a valve position feedback and turn counting device for a multi-turn valve electric device, which aims to solve the above-mentioned technical problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the valve position feedback and circle number counting device for the multi-rotation valve electric device comprises a bottom plate and a top plate, wherein the bottom plate is detachably connected with the top plate, and an installation cavity is formed between the bottom plate and the top plate; the transmission gear set and the indication assembly are arranged in the mounting cavity;
the transmission gear set comprises a first connecting shaft, a second connecting shaft, a driving gear, a first gear assembly and a second gear assembly; the first connecting shaft is rotatably connected between the bottom plate and the top plate; the second connecting shaft is rotatably connected between the bottom plate and the top plate and is positioned at one side of the first connecting shaft, and the driving gear is sleeved outside the first connecting shaft and is meshed with the potentiometer gear through the transition gear; the first gear assembly comprises a first gear and a second gear; the first gear and the second gear are spaced and coaxially sleeved outside the second connecting shaft, and the first gear is meshed with the driving gear; the second gear component is positioned on two sides of the second gear and meshed with the second gear; the output end of the second gear assembly extends out of the upper surface of the top plate;
the indicating assembly comprises a micro switch, a toggle cam and an indicating board; the micro switch is fixed on the upper surface of the top plate; the toggle cam is fixed at the output end of the second gear assembly and corresponds to the contact of the micro switch in the rotation range; the indication board is fixed at the output end of the second gear assembly.
Preferably, in the valve position feedback and turn counting device for a multi-turn valve electric device, the second gear assembly includes a third connecting shaft, an indicating shaft gear, a fourth connecting shaft and a switch gear, wherein the third connecting shaft is located at one side of the second connecting shaft and is rotatably connected to the top plate; the indicating shaft gear is sleeved on the outer side of the third connecting shaft and meshed with the second gear; the fourth connecting shaft is positioned at one side of the second connecting shaft far away from the third connecting shaft and is rotationally connected to the top plate; the switch gear is sleeved on the outer side of the fourth connecting shaft and meshed with the second gear.
Preferably, in the valve position feedback and turn counting device for the multi-rotary valve electric device, the indication board is fixed on the shaft end face of the third connecting shaft, and the toggle cam is fixed on the fourth connecting shaft.
Preferably, in the valve position feedback and turn number counting device for the multi-turn valve electric device, a scale ring is fixed on the upper surface of the top plate, and a close mark is arranged on the upper surface of the top plate and positioned on the outer side of the scale ring; the output end of the third connecting shaft extends out of the upper surface of the top plate and penetrates through the scale ring, and the indication board is fixed at the output end of the third connecting shaft and corresponds to the inner side of the scale ring.
Preferably, in the valve position feedback and turn number counting device for the multi-turn valve electric device, an annular plate is fixed on the top plate, and the annular plate is positioned at the outer side of the scale ring; the annular plate is provided with an in-place mark and a U-shaped groove, and the annular plate is fixed on the top plate by passing through the U-shaped groove through an adjusting screw.
Preferably, in the valve position feedback and lap counting device for a multi-turn valve electric device, axes of the first connecting shaft, the second connecting shaft, the third connecting shaft and the fourth connecting shaft are parallel to each other.
Preferably, in the valve position feedback and turn counting device for the multi-rotation valve electric device, the device further comprises a potentiometer; the potentiometer is fixed on the bottom plate, and a rotating shaft of the potentiometer is rigidly connected with the potentiometer gear.
Preferably, in the valve position feedback and turn number counting device for the multi-rotary valve electric device, the number of the micro switch and the number of the toggle cams are two and are in one-to-one correspondence.
Preferably, in the valve position feedback and turn number counting device for the multi-rotation valve electric device, the number of teeth of the potentiometer gear is the same as the number of teeth of the driving gear; the gear ratio of the driving gear to the first gear is more than 1; the gear ratio of the second gear to the indication shaft gear and the switch gear is more than 1.
Note that: the rigid connection mode in the invention is a sleeved and fixed mode or a pin connection mode or a direct integrated structure.
Compared with the prior art, the valve position feedback and turn number counting device for the multi-rotation valve electric device has the following beneficial effects:
1. the invention has simple structure and convenient operation.
2. The driving gear is meshed with the potentiometer gear through the transition gear, so that the rotating shaft of the potentiometer is driven to rotate, the potentiometer outputs corresponding electric signals, and the displacement of the multi-rotation valve electric device is detected in real time.
3. According to the invention, the first gear and the second gear are driven to rotate through the rotation of the driving gear, so that the indication shaft gear and the switch gear are driven to rotate, the rotation of the indication board and the toggle cam is realized, and when the full-open and full-close limit positions are reached, the micro switch outputs in-place signals and can read the number of turns information on the scale ring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-turn valve travel control indicator according to the present invention;
FIG. 2 is a schematic view of a drive gear, a first connecting shaft, a second connecting shaft, a first gear assembly and a second gear assembly provided by the present invention;
FIG. 3 is a schematic view of a top plate according to the present invention;
FIG. 4 is a schematic view of a first gear assembly according to the present invention;
fig. 5 is a schematic structural view of the annular plate provided by the invention.
Wherein:
1-a bottom plate; 2-top plate; 3-a first connecting shaft; 4-a second connecting shaft; 5-a drive gear; 6-transition gear; 7-potentiometer gears; 8-gear one; 9-a second gear; 10-a micro switch; 11-toggle the cam; 12-indication board; 13-a third connecting shaft; 14-indicating a shaft gear; 15-a fourth connecting shaft; 16-a switching gear; 17-a scale ring; 18-an annular plate; 19-on-position identification; a 20-U-shaped groove; 21-adjusting the screw; 22-potentiometer; 23-off in place identification.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, the embodiment of the invention discloses a valve position feedback and circle counting device for a multi-rotation valve electric device, which comprises a bottom plate 1 and a top plate 2, wherein the bottom plate 1 and the top plate 2 are fixedly connected through bolts, and an installation cavity is formed between the bottom plate 1 and the top plate 2; the device also comprises a transmission gear set and an indication assembly which are arranged in the installation cavity;
the transmission gear set comprises a first connecting shaft 3, a second connecting shaft 4, a driving gear 5, a first gear assembly and a second gear assembly; the first connecting shaft 3 is rotatably connected between the bottom plate 1 and the top plate 2, and the input end of the first connecting shaft is connected with the multi-rotary valve electric device; the second connecting shaft 4 is rotatably connected between the bottom plate 1 and the top plate 2 and is positioned at one side of the first connecting shaft 3, and the driving gear 5 is sleeved outside the first connecting shaft 3 and is meshed with the potentiometer gear 7 through the transition gear 6; the first gear assembly comprises a first gear 8 and a second gear 9; the first gear 8 and the second gear 9 are spaced and coaxially sleeved outside the second connecting shaft 4, and the first gear 8 is meshed with the driving gear 5; the second gear components are positioned on two sides of the second gear 9 and meshed with the second gear 9; the output end of the second gear assembly extends out of the upper surface of the top plate 2;
the indication assembly comprises a micro switch 10, a toggle cam 11 and an indication board 12; the micro switch 10 is fixed on the upper surface of the top plate 2; the toggle cam 11 is fixed at the output end of the second gear assembly and corresponds to the contact of the micro switch 10 in the rotation range; the sign 12 is secured to the output of the second gear assembly.
In order to further optimize the technical scheme, the second gear assembly comprises a third connecting shaft 13, an indicating shaft gear 14, a fourth connecting shaft 15 and a switch gear 16, wherein the third connecting shaft 13 is positioned on one side of the second connecting shaft 4 and is rotatably connected to the top plate 2; the indicating shaft gear 14 is sleeved outside the third connecting shaft 13 and meshed with the second gear 9; the fourth connecting shaft 15 is positioned on one side of the second connecting shaft 4 away from the third connecting shaft 13 and is rotatably connected to the top plate 2; the switch gear 16 is sleeved outside the fourth connecting shaft 15 and meshed with the second gear 9.
In order to further optimize the technical scheme, the indication board 12 is fixed on the end face of the third connecting shaft 13 through a set screw and rotates along with the indication shaft gear 14; the toggle cam 11 is mounted on the fourth connecting shaft 15 by a set screw and rotates with the switch gear 16, and the toggle cam 11 is adjustable in the circumferential direction of the fourth connecting shaft 15.
In order to further optimize the technical scheme, the upper surface of the top plate 2 is fixed with a scale ring 17, and the upper surface of the top plate 2 is provided with a related mark 23 positioned outside the scale ring 17; the output end of the third connecting shaft 13 extends out of the upper surface of the top plate 2 and penetrates through the scale ring 17, and the indication board 12 is fixed at the output end of the third connecting shaft 13 and corresponds to the inner side of the scale ring 17.
In order to further optimize the technical scheme, an annular plate 18 is fixed on the top plate 2, and the annular plate 18 is positioned outside the scale ring 17; the annular plate 18 is provided with a mark 19 which is opened in place and a U-shaped groove 20, and the annular plate 18 is fixed on the top plate 2 through the U-shaped groove 20 by an adjusting screw 21.
In order to further optimize the solution described above, the axes of the first connecting shaft 3, the second connecting shaft 4, the third connecting shaft 13 and the fourth connecting shaft 15 are parallel to each other.
To further optimize the above solution, a potentiometer 22 is also included; the potentiometer 22 is fixed on the bottom plate 1, and the rotating shaft of the potentiometer 22 is rigidly connected with the potentiometer gear 7.
In order to further optimize the technical scheme, the number of the micro switch 10 and the toggle cam 11 is two, and the micro switch and the toggle cam are in one-to-one correspondence.
In order to further optimize the technical scheme, the number of teeth of the potentiometer gear 7 is the same as that of the driving gear 5; the gear ratio of the driving gear 5 to the first gear 8 is 1: m (M > 1); the gear ratio of the second gear 9 to the indicating shaft gear 14 and the switch gear 16 is 1: n (N > 1); the driving gear 5 is meshed with the first gear 8, and the gear ratio is 1: m (M > 1); the second gear 9 is meshed with the indication shaft gear 14 and the switch gear 16 at the same time, and the gear ratio of the second gear 9 to the indication shaft gear 14 and the switch gear 16 is 1: n (N > 1), gear one 8 and gear two 9 are coaxially sleeved on the second connecting shaft 4, and the rotation speed ratio of the driving gear 5 to the indicating shaft gear 14 to the switching gear 16 is 1: m x N; when the multi-rotary valve electric device drives the first connecting shaft 3 to rotate for M times N circles, the driving gear 3 rotates for M times N circles, and the indicating shaft gear 14, the switch gear 16, the toggle cam 11 and the indicating plate 12 rotate for 1 circle.
The working principle of the invention is as follows:
when the multi-rotary valve electric device works, the first connecting shaft 3 connected with the multi-rotary valve electric device is driven to rotate, the driving gear 5 on the first connecting shaft 3 rotates to drive the transition gear 6 to rotate, the potentiometer gear 7 is further driven to rotate, the potentiometer gear 7 drives the rotating shaft of the potentiometer 22 to rotate, the potentiometer 22 outputs corresponding electric signals, and the displacement of the multi-rotary valve electric device can be monitored in real time; meanwhile, the rotation of the driving gear 5 drives the first gear 8 and the second gear 9 to rotate, and the rotation of the second gear 9 drives the indication shaft gear 14 and the switch gear 16 to rotate; the rotation of the indication shaft gear 14 drives the indication board 12 to rotate, the rotation of the switch gear 16 drives the toggle cams 11 to rotate, and when the multi-rotation electric device is turned on or turned off in place, the two toggle cams 11 touch the contacts of the corresponding micro switch 10 to realize the switching between the on state and the off state of the micro switch 10; when the multi-rotary valve electric device is in a closed state, the arrow of the indication board 12 points to the in-place indication mark 23, the in-place indication mark 19 is positioned at the target circle number pointing position of the scale ring 17 by adjusting the annular plate 18, and when the rotation circle number of the multi-rotary valve electric device is in the range of M x N circles, the positions pointed by the arrow of the indication board 12 can be read.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The valve position feedback and circle number counting device for the multi-rotation valve electric device comprises a bottom plate (1) and a top plate (2), wherein the bottom plate (1) is detachably connected with the top plate (2), and an installation cavity is formed between the bottom plate (1) and the top plate (2); the device is characterized by further comprising a transmission gear set and an indication assembly which are arranged in the mounting cavity;
the transmission gear set comprises a first connecting shaft (3), a second connecting shaft (4), a driving gear (5), a first gear assembly and a second gear assembly; the first connecting shaft (3) is rotatably connected between the bottom plate (1) and the top plate (2); the second connecting shaft (4) is rotatably connected between the bottom plate (1) and the top plate (2) and is positioned at one side of the first connecting shaft (3), and the driving gear (5) is sleeved outside the first connecting shaft (3) and meshed with the potentiometer gear (7) through the transition gear (6); the first gear assembly comprises a first gear (8) and a second gear (9); the first gear (8) and the second gear (9) are arranged at intervals and coaxially sleeved on the outer side of the second connecting shaft (4), and the first gear (8) is meshed with the driving gear (5); the second gear component is positioned on two sides of the second gear (9) and meshed with the second gear (9); the output end of the second gear assembly extends out of the upper surface of the top plate (2);
the indication assembly comprises a micro switch (10), a toggle cam (11) and an indication board (12); the micro switch (10) is fixed on the upper surface of the top plate (2); the toggle cam (11) is fixed at the output end of the second gear assembly and corresponds to the contact of the micro switch (10) in the rotation range; the indicator (12) is fixed at the output end of the second gear assembly.
2. Valve position feedback and turn counting device for multi-turn valve electric devices according to claim 1, characterized in that said second gear assembly comprises a third connecting shaft (13), an indicating shaft gear (14), a fourth connecting shaft (15) and a switch gear (16), said third connecting shaft (13) being located on one side of said second connecting shaft (4) and being rotatably connected to said top plate (2); the indication shaft gear (14) is sleeved outside the third connecting shaft (13) and meshed with the second gear (9); the fourth connecting shaft (15) is positioned at one side of the second connecting shaft (4) far away from the third connecting shaft (13) and is rotatably connected to the top plate (2); the switch gear (16) is sleeved on the outer side of the fourth connecting shaft (15) and meshed with the gear II (9).
3. Valve position feedback and turn counting device for multi-turn valve electric devices according to claim 2, characterized in that said sign (12) is fixed on the shaft end face of said third connecting shaft (13) and said toggle cam (11) is fixed on said fourth connecting shaft (15).
4. Valve position feedback and turn counting device for multi-turn valve electric device according to claim 2, characterized in that the upper surface of the top plate (2) is fixed with a scale ring (17), the upper surface of the top plate (2) is provided with a relative position mark (23) outside the scale ring (17); the output end of the third connecting shaft (13) extends out of the upper surface of the top plate (2) and penetrates through the scale ring (17), and the indication board (12) is fixed at the output end of the third connecting shaft (13) and corresponds to the inner side of the scale ring (17).
5. Valve position feedback and turn counting device for multi-turn valve electric devices according to claim 4, characterized in that said top plate (2) is fixed with an annular plate (18), said annular plate (18) being located outside said graduated ring (17); the annular plate (18) is provided with an in-place mark (19) and a U-shaped groove (20), and the annular plate (18) is fixed on the top plate (2) through the U-shaped groove (20) by adjusting screws (21).
6. Valve position feedback and turn counter device for a multi-turn valve electric device according to claim 2, characterized in that the axes of the first (3), second (4), third (13) and fourth (15) connecting shafts are parallel to each other.
7. Valve position feedback and lap counting device for a multi-turn valve motor-driven device according to claim 1, further comprising a potentiometer (22); the potentiometer (22) is fixed on the bottom plate (1), and a rotating shaft of the potentiometer (22) is rigidly connected with the potentiometer gear (7).
8. Valve position feedback and turn counting device for multi-turn valve electric devices according to claim 1, characterized in that the number of micro-switches (10) and toggle cams (11) is two and corresponds one to one.
9. Valve position feedback and turn counting device for multi-turn valve electric devices according to claim 2, characterized in that the potentiometer gear (7) has the same number of teeth as the driving gear (5); the gear ratio of the driving gear (5) to the first gear (8) is more than 1; the gear ratio of the second gear (9) to the indication shaft gear (14) to the switch gear (16) is more than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310821621.5A CN116989182A (en) | 2023-07-06 | 2023-07-06 | Valve position feedback and number of turns counting device for multi-rotary valve electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310821621.5A CN116989182A (en) | 2023-07-06 | 2023-07-06 | Valve position feedback and number of turns counting device for multi-rotary valve electric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116989182A true CN116989182A (en) | 2023-11-03 |
Family
ID=88524080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310821621.5A Pending CN116989182A (en) | 2023-07-06 | 2023-07-06 | Valve position feedback and number of turns counting device for multi-rotary valve electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116989182A (en) |
-
2023
- 2023-07-06 CN CN202310821621.5A patent/CN116989182A/en active Pending
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