CN204099705U - The reducing gear of dilution water valve - Google Patents
The reducing gear of dilution water valve Download PDFInfo
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- CN204099705U CN204099705U CN201420530876.2U CN201420530876U CN204099705U CN 204099705 U CN204099705 U CN 204099705U CN 201420530876 U CN201420530876 U CN 201420530876U CN 204099705 U CN204099705 U CN 204099705U
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- gear
- speed reducer
- tooth bar
- reduction gear
- dilution water
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Abstract
The utility model discloses a kind of reducing gear of dilution water valve, mainly solve in prior art exist because of reduction speed ratio less than normal, the moment of torsion occurred is not and valve precision problem on the low side.The reducing gear of this kind of dilution water valve, comprise housing, there is the first speed reducer of power input gear and power output gear, there is the second level speed reducer of power input gear and power output gear, second tooth bar and the 4th tooth bar, the drive motor of described dilution water valve is arranged on the end face of described housing, the driving gear of described drive motor is meshed with the outside of described 4th tooth bar, the inner side of described 4th tooth bar is meshed with the power input gear of described first speed reducer, the power output gear of described first speed reducer is meshed with the inner side of described second tooth bar.By such scheme, the utility model reaches and improves moment of torsion and valve precision object on the low side.
Description
Technical field
The utility model relates to a kind of speed reducer of dilution water valve, specifically, relates to a kind of reducing gear of dilution water valve.
Background technique
Along with user constantly improves paper quality, papermaking enterprise is also in the quality constantly improving product, reduce the quantitatively poor of paper banner direction as far as possible, overcome the above problems, papermaking enterprise only can adopt more exchange device and utilize existing equipment to carry out Plant reconstruction plant modernization, and more the investment of exchange device is too large, little investment needed for Plant reconstruction plant modernization, and the duration is short, be born horizontal dilution water control system in this context, and dilution water valve is constituent element main in this cover system.
Existing dilution water valve is made up of motor, motor driving plate, reducing gear, valve seat.By driven by motor reducing gear, then by reducing gear output shaft band movable valve plug, thus play the object regulating plain boiled water flow, and wherein reducing gear is the critical piece of dilution water valve, the existing reducing gear used utilizes gear to slow down.
There is following defect in the reducing gear of existing dilution water valve: the first, and present reducing gear is double reduction, and reduction speed ratio is less than normal, and reduction speed ratio conference causes moment of torsion bigger than normal on the low side with valve precision; The second, moment of torsion is less than normal will be there will be, in process of production, enter in valve seat and spool gap containing powdered substance in the composition of plain boiled water, because above material can make the moment of torsion of spool become large during Spool rotating, can cause and the resistance of motor is turned, do not have regulating action and break down; 3rd, valve precision is on the low side, and the output shaft of reducing gear being provided with angular-displacement potentiometer for feeding back valve opening, causing motor often to make a move because reduction speed ratio is on the low side, output shaft rotation angle is bigger than normal, causes overall valve precision on the low side.
Model utility content
The purpose of this utility model is the reducing gear providing a kind of dilution water valve, mainly solve in prior art exist because of reduction speed ratio less than normal, the moment of torsion occurred is not and valve precision problem on the low side.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of reducing gear of dilution water valve, comprise housing, there is the first speed reducer of power input gear and power output gear, there is the second level speed reducer of power input gear and power output gear, second tooth bar and the 4th tooth bar, the drive motor of described dilution water valve is arranged on the end face of described housing, the driving gear of described drive motor is meshed with the outside of described 4th tooth bar, the inner side of described 4th tooth bar is meshed with the power input gear of described first speed reducer, the power output gear of described first speed reducer is meshed with the inner side of described second tooth bar, the power input gear of described second speed reducer is meshed with the inner side of described second tooth bar, the driving gear of described drive motor, described second tooth bar, described 4th tooth bar and described first speed reducer are all arranged in described housing.
In said structure, the first speed reducer carries out transmission for the speed that the driving gear of drive motor exports and slows down, and second level speed reducer is used for carrying out transmissions deceleration to the speed that the first speed reducer exports.
Particularly, described first speed reducer comprises first order reduction gear and second level reduction gear, described first order reduction gear and described second level reduction gear are all meshed with the inner side of the 3rd tooth bar, described first order reduction gear is the power input gear of described first speed reducer, and described second level reduction gear is the power output gear of described first speed reducer; First order reduction gear is used for first time deceleration, and second level reduction gear is used for second time and slows down.
More specifically, the reduction speed ratio of described first order reduction gear is 9:25, and the reduction speed ratio of described second level reduction gear is 9:52.
Particularly, described second level speed reducer comprises third level reduction gear and fourth stage reduction gear, described third level reduction gear and described fourth stage reduction gear are all meshed with the inner side of the first tooth bar, described third level reduction gear is the power input gear of described second speed reducer, described fourth stage reduction gear is the power output gear of described second speed reducer, the end face of described housing is passed in one end of the gear shaft of described third level reduction gear, the other end of the gear shaft of described third level reduction gear is positioned at described housing, described fourth stage reduction gear runs through end face and the bottom surface of described housing, third level reduction gear is used for third time deceleration and fourth stage reduction gear is used for the 4th deceleration.
More specifically, the reduction speed ratio of described third level reduction gear is 10:27, and the reduction speed ratio of described fourth stage reduction gear is 11:29.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model is that level Four is slowed down, and reduction speed ratio is improved to 1:114 by the 1:19 in early stage, and reduction speed ratio of the present utility model is reduced.
(2) moment of torsion of the present utility model increases, 5 times are added nearly than the reducing gear of existing dilution water valve, avoid that moment of torsion is less than normal will be there will be, in process of production, enter in valve seat and spool gap containing powdered substance in the composition of plain boiled water, because above material can make the moment of torsion of spool become large during Spool rotating, can cause and the resistance of motor is turned, the situation not having regulating action He break down.
(3) valve precision of the present utility model, rise to 0.2% precision by 1% precision of the reducing gear of existing dilution water valve, precision improves 5 times, avoids and causes the coarse situation of Valve controlling because valve precision is on the low side.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model.
Fig. 2 is the structural representation in the G-G direction of Fig. 1.
In above-mentioned accompanying drawing, the component names that reference character is corresponding is as follows:
1-drive motor, 2-drive motor driving gear, 3-first order reduction gear, 4-second level reduction gear, 5-third level reduction gear, 6-fourth stage reduction gear, 7-housing, 8-first tooth bar, 9-second tooth bar, 10-the 3rd tooth bar, 11-the 4th tooth bar.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and mode of execution of the present utility model includes but not limited to the following example.
Embodiment
As depicted in figs. 1 and 2, a kind of reducing gear of dilution water valve, comprise housing 7, there is the first speed reducer of power input gear and power output gear, there is the second level speed reducer of power input gear and power output gear, second tooth bar 9 and the 4th tooth bar 11, the drive motor 1 of dilution water valve is arranged on the end face of housing 7, the driving gear of drive motor 1 is meshed with the outside of the 4th tooth bar 11, the inner side of the 4th tooth bar 11 is meshed with the power input gear of the first speed reducer, the power output gear of the first speed reducer is meshed with the inner side of the second tooth bar 9, the power input gear of the second speed reducer is meshed with the inner side of the second tooth bar 9, the driving gear of drive motor 1, second tooth bar 9, 4th tooth bar 11 and the first speed reducer are all arranged in housing 7, first speed reducer comprises first order reduction gear 3 and second level reduction gear 4, first order reduction gear 3 and second level reduction gear 4 are all meshed with the inner side of the 3rd tooth bar 10, first order reduction gear 3 is the power input gear of the first speed reducer, and second level reduction gear 4 is the power output gear of the first speed reducer, the reduction speed ratio of first order reduction gear 3 is 9:25, and the reduction speed ratio of second level reduction gear 4 is 9:52, second level speed reducer comprises third level reduction gear and fourth stage reduction gear 6, third level reduction gear 5 and fourth stage reduction gear 6 are all meshed with the inner side of the first tooth bar 8, third level reduction gear 5 is the power input gear of the second speed reducer, fourth stage reduction gear 6 is the power output gear of the second speed reducer, the end face of housing is passed in one end of the gear shaft of third level reduction gear, the other end of the gear shaft of third level reduction gear is positioned at housing, and fourth stage reduction gear runs through end face and the bottom surface of housing, the reduction speed ratio of third level reduction gear 5 is 10:27, and the reduction speed ratio of fourth stage reduction gear 6 is 11:29.
Under the prerequisite not changing boundary dimension, the speed-up ratio of reducing gear is improved, be improved to level Four from double reduction to slow down, reduction speed ratio is improved to 1:114 by the 1:19 in early stage, early stage, product reduction speed ratio formula was i=Z1/Z2, the number of teeth is brought into formula (18/94) x(28/104)=0.0515, when input shaft turns 1 week, output shaft turns 0.0515 week; Reduction speed ratio is 1:19.41=1/0.0515.
After improving, product reduction speed ratio formula is i=(Z1/Z2) x (Z3/Z4) x (Z5/Z6) x (Z7/Z8), the number of teeth is brought into formula (18/50) x (18/104) x (20/54) x (22/58)=0.0087, when input shaft turns 1 week, output shaft turns 0.0087 week; Reduction speed ratio is 1:114=1/0.0087.
Motor due to front later product uses same model, and concrete parameter is the same.
Know power of motor and the when coefficient of utilization that slows down, ask the following formula of speed reducer moment of torsion:
By formula, speed reducer moment of torsion=9550 × power of motor ÷ power of motor input revolution × speed ratio × coefficient of utilization, learns that moment of torsion increases, adds 6 times than product in early stage.
Valve precision improves, and rise to 0.2% precision by the precision in early stage 1%, precision improves 5 times, and because front later product reduction speed ratio differs 6 times, so stepper motor often makes a move, the valve core rotation that speed reducer output shaft drives, and angle can be less 6 times than early stage; The precision of feedback spool pivotal position potentiometer can improve more than 5 times than Product Precision in early stage.
According to above-described embodiment, just the utility model can be realized well.
Claims (5)
1. the reducing gear of a dilution water valve, comprise housing (7), it is characterized in that: also comprise first speed reducer with power input gear and power output gear, there is the second level speed reducer of power input gear and power output gear, second tooth bar (9) and the 4th tooth bar (11), the drive motor (1) of described dilution water valve is arranged on the end face of described housing (7), the driving gear (2) of described drive motor (1) is meshed with the outside of described 4th tooth bar (11), the inner side of described 4th tooth bar (11) is meshed with the power input gear of described first speed reducer, the power output gear of described first speed reducer is meshed with the inner side of described second tooth bar (9), the power input gear of described second speed reducer is meshed with the inner side of described second tooth bar (9), the driving gear of described drive motor (1), described second tooth bar (9), described 4th tooth bar (11) and described first speed reducer are all arranged in described housing (7).
2. the reducing gear of dilution water valve according to claim 1, it is characterized in that: described first speed reducer comprises first order reduction gear (3) and second level reduction gear (4), described first order reduction gear (3) and described second level reduction gear (4) are all meshed with the inner side of the 3rd tooth bar (10), the power input gear that described first order reduction gear (3) is described first speed reducer, described second level reduction gear (4) is the power output gear of described first speed reducer.
3. the reducing gear of dilution water valve according to claim 2, is characterized in that: the reduction speed ratio of described first order reduction gear (3) is 9:25, and the reduction speed ratio of described second level reduction gear (4) is 9:52.
4. the reducing gear of dilution water valve according to claim 1, it is characterized in that: described second level speed reducer comprises third level reduction gear and fourth stage reduction gear (6), described third level reduction gear (5) and described fourth stage reduction gear (6) are all meshed with the inner side of the first tooth bar (8), the power input gear that described third level reduction gear (5) is described second speed reducer, the power output gear that described fourth stage reduction gear (6) is described second speed reducer, the end face of described housing is passed in one end of the gear shaft of described third level reduction gear, the other end of the gear shaft of described third level reduction gear is positioned at described housing, described fourth stage reduction gear runs through end face and the bottom surface of described housing.
5. the reducing gear of dilution water valve according to claim 4, is characterized in that: the reduction speed ratio of described third level reduction gear (5) is 10:27, and the reduction speed ratio of described fourth stage reduction gear (6) is 11:29.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530876.2U CN204099705U (en) | 2014-09-16 | 2014-09-16 | The reducing gear of dilution water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530876.2U CN204099705U (en) | 2014-09-16 | 2014-09-16 | The reducing gear of dilution water valve |
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| Publication Number | Publication Date |
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| CN204099705U true CN204099705U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420530876.2U Active CN204099705U (en) | 2014-09-16 | 2014-09-16 | The reducing gear of dilution water valve |
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| CN (1) | CN204099705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641415A (en) * | 2016-12-05 | 2017-05-10 | 常熟市虞菱机械有限责任公司 | Vertical three-stage transmission valve manual driving device |
-
2014
- 2014-09-16 CN CN201420530876.2U patent/CN204099705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641415A (en) * | 2016-12-05 | 2017-05-10 | 常熟市虞菱机械有限责任公司 | Vertical three-stage transmission valve manual driving device |
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