CN206309696U - A kind of electrohydraulic servo valve balancing controls - Google Patents
A kind of electrohydraulic servo valve balancing controls Download PDFInfo
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- CN206309696U CN206309696U CN201621281702.2U CN201621281702U CN206309696U CN 206309696 U CN206309696 U CN 206309696U CN 201621281702 U CN201621281702 U CN 201621281702U CN 206309696 U CN206309696 U CN 206309696U
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Abstract
The utility model belongs to aerial hydraulic field, is related to a kind of electrohydraulic servo valve balancing controls, is mainly used in hydraulic servo driving system.Specifically include coil [6], upper magnetic conductor [8], armature component [9], lower magnetic conductor [10], torque-motor screw [11], screw [13], jacking block [15], adjusting screw [16], one-level seat [17]；Armature component [9] is by screw [13] in one-level seat [17]；Torque-motor screw [11] is in one-level seat [17]；Armature component [9] both wings armature forms 4 working gas gaps through the interstitial hole of coil [6] and the pole shoe of upper magnetic conductor [8] and lower magnetic conductor [10].The utility model is by 4 torque-motor screws [11] and the length and symmetry of 4 adjusting screw [16] regulation electrohydraulic servo valve 4 working gas gaps of torque-motor, avoid the conventional problem to ensure working gas gap by grinding adjust pad thickness, so as to reduce workload, operating efficiency is improve.Meanwhile, upper and lower two groups of torque-motor screw [11] and adjusting screw [16] constitute one group of locking couple.
Description
Technical field
The invention belongs to Hydraulic Field, it is related to a kind of electrohydraulic servo valve balancing controls, is mainly used in Hydrauservo System.
Background technology
Electrohydraulic servo valve torque-motor air gap is general in 0.25mm~0.5mm or so, electrohydraulic servo valve normal work, its
Actually active linear course of the armature in torque-motor air gap is only 0.08mm~0.16mm, small working gas gap difference and
4 asymmetry of working gas gap can influence the static and dynamic performance of electrohydraulic servo valve and the environment of electrohydraulic servo valve to adapt to
Property, so zero-bit influence of 4 symmetry of working gas gap of electrohydraulic servo valve on electrohydraulic servo valve is huge.And due to holding in the mouth at this stage
The problems such as ironworking, assembling and magnetic conductor pole shoe are processed, it is impossible to electrohydraulic servo valve torque-motor working gas gap is completely secured
Symmetry.
At present, the method for conventional adjustment electrohydraulic servo valve zero-bit is that electrohydraulic servo valve torque horse is adjusted by repairing the method for grinding
Up to working gas gap, i.e., two methods of adjust pad thickness of lower magnetic conductor bottom are ground by repairing to meet electrohydraulic servo valve torque
The requirement of motor operations air gap.
The content of the invention
The purpose of the present invention：Design a kind of electrohydraulic servo valve balancing controls.
Technical scheme：A kind of electrohydraulic servo valve balancing controls, including nozzle assembly [1, clamp nut [2,
Cushion block [3, guard circle [4, sealing ring [5, coil [6, upper magnetic conductor [8, armature component [9, lower magnetic conductor [10, torque-motor spiral shell
Nail 11, screw 13, permanent-magnet steel 14, jacking block 15, adjusting screw 16, one-level seat 17；Coil 6, permanent-magnet steel 14 are placed in magnetic conduction
Between body 8 and lower magnetic conductor 10；Armature component 9 is arranged on one-level seat 17 by screw 13；Torque-motor screw 11 is arranged on
On one-level seat 17；Interstitial hole and upper magnetic conductor 8 and the pole shoe shape of lower magnetic conductor 10 of the both wings armature of armature component 9 through coil 6
Into 4 working gas gaps L1, L2, L3 and L4.
Described working gas gap is adjusted jointly by torque-motor screw and adjusting screw.
Described jacking block upper surface is small curvature spherical structure.
Described adjusting screw is enclosed on one-level seat by low-intensity screw thread fastening glue glue.
Beneficial effects of the present invention：The position that the utility model passes through Torque-adjusting motor screw, jacking block and adjusting screw
To ensure electrohydraulic servo valve working gas gap and its symmetry, solve conventional electrohydraulic servo valve by grind adjust pad thickness come
Ensure electrohydraulic servo valve working gas gap and its symmetrical sex chromosome mosaicism, reduce measurement, the number of times of assembling, reduce workload, improve
Operating efficiency.
Brief description of the drawings：
Fig. 1~Fig. 4 is structural representation of the present utility model.
Fig. 5 is ejecting block figure.
In accompanying drawing 1,1 is nozzle assembly, 2 is clamp nut, 3 is cushion block, 4 is guard circle, 5 is sealing ring, 6 is coil, 8
For upper magnetic conductor, 9 be armature component, 10 time magnetic conductors, 11 be torque-motor screw, 13 be screw, 14 be permanent-magnet steel, 15 be
Jacking block, 16 be adjusting screw, 17 be one-level seat.
Specific embodiment
The utility model is described in further detail with reference to Figure of description and embodiment.Refer to explanation
1~Fig. 4 of book accompanying drawing.
A kind of electrohydraulic servo valve balancing controls, specially electrohydraulic servo valve torque-motor working gas gap balancing controls, including
Nozzle assembly 1, clamp nut 2, cushion block 3, guard circle 4, sealing ring 5, coil 6, upper magnetic conductor 8, armature component 9, lower magnetic conductor
10th, torque-motor screw 11, screw 13, permanent-magnet steel 14, jacking block 15, adjusting screw 16, one-level seat 17；Coil 6, permanent-magnet steel
14 are placed between magnetic conductor 8 and lower magnetic conductor 10；Armature component 9 is arranged on one-level seat 17 by screw 3；Torque-motor spiral shell
Nail 11 is arranged in one-level 17；Interstitial hole and upper magnetic conductor 8 and lower magnetic conductor of the both wings armature of armature component 9 through coil 6
10 pole shoe forms 4 working gas gaps L1, L2, L3 and L4.
In the electrohydraulic servo valve balancing controls, armature component 9 is arranged on one-level seat 17 by screw 3, armature component
Both wings armature height is certain.When working gas gap L1 is more than L2, adjusting screw 16a and 16b, clamp load torque motor screw are unclamped
11a and 11b, magnetic conductor 8 and coil 6, lower magnetic conductor 10 are moved down in drive, until L1 is equal to L2, screw regulation simultaneously this moment
Screw 16a, 16b and torque-motor screw 11a and 11b.Conversely, when working gas gap L1 is less than L2, unclamping torque-motor screw
11a and 11b, screws adjusting screw 16a and 16b, is driven on lower magnetic conductor 10 and coil 6 and upper magnetic conductor 8 by jacking block 15
Move, until L1 is equal to L2, screw adjusting screw 16a, 16b and torque-motor screw 11a and 11b simultaneously this moment.Meanwhile, jacking block 15
Jacking block 15 and lower magnetic conductor 10 connects when the small curvature spherical structure of upper surface also ensure that lower magnetic conductor 10 has certain inclination
Touch is face contact rather than long and narrow linear contact lay.
Similarly, when working gas gap L3 be more than L4 when, unclamp adjusting screw 16c and 16d, clamp load torque motor screw 11c and
11d, magnetic conductor 8 and coil 6, lower magnetic conductor 10 are moved down in drive, until L1 is equal to L2, screw adjusting screw simultaneously this moment
16c, 16d and torque-motor screw 11c and 11d；Conversely, when working gas gap L3 be less than L4 when, unclamp torque-motor screw 11c and
11d, screws adjusting screw 16c and 16d, is driven by jacking block 15 and moved on lower magnetic conductor 10 and coil 6 and upper magnetic conductor 8, directly
L4 is equal to L3, adjusting screw 16c, 16d and torque-motor screw 11c and 11d is screwed simultaneously this moment.
When L1 is equal to L2, and L3 equal to L4, the glue of adjusting screw 16 for screwing is sealed using low-intensity screw thread fastening glue
On one-level seat.
Embodiment one
A kind of electrohydraulic servo valve balancing controls, specially electrohydraulic servo valve torque-motor working gas gap balancing controls, including
Nozzle assembly 1, clamp nut 2, cushion block 3, guard circle 4, sealing ring 5, coil 6, upper magnetic conductor 8, armature component 9, lower magnetic conductor
10th, torque-motor screw 11, screw 13, permanent-magnet steel 14, jacking block 15, adjusting screw 16, one-level seat 17；Coil 6, permanent-magnet steel
14 are placed between magnetic conductor 8 and lower magnetic conductor 10；Armature component 9 is arranged on one-level seat 17 by screw 3；Torque-motor spiral shell
Nail 11 is arranged in one-level 17；Interstitial hole and upper magnetic conductor 8 and lower magnetic conductor of the both wings armature of armature component 9 through coil 6
10 pole shoe forms 4 working gas gaps L1, L2, L3 and L4.
In the electrohydraulic servo valve balancing controls, armature component 9 is arranged on one-level seat 17 by screw 3, armature component
Both wings armature height is certain.When working gas gap L1 is more than L2, adjusting screw 16a and 16b, clamp load torque motor screw are unclamped
11a and 11b, magnetic conductor 8 and coil 6, lower magnetic conductor 10 are moved down in drive, until L1 is equal to L2, screw regulation simultaneously this moment
Screw 16a, 16b and torque-motor screw 11a and 11b.Conversely, when working gas gap L1 is less than L2, unclamping torque-motor screw
11a and 11b, screws adjusting screw 16a and 16b, is driven on lower magnetic conductor 10 and coil 6 and upper magnetic conductor 8 by jacking block 15
Move, until L1 is equal to L2, screw adjusting screw 16a, 16b and torque-motor screw 11a and 11b simultaneously this moment.Meanwhile, jacking block 15
Jacking block 15 and lower magnetic conductor 10 connects when the small curvature spherical structure of upper surface also ensure that lower magnetic conductor 10 has certain inclination
Touch is face contact rather than long and narrow linear contact lay.
Similarly, when working gas gap L3 be more than L4 when, unclamp adjusting screw 16c and 16d, clamp load torque motor screw 11c and
11d, magnetic conductor 8 and coil 6, lower magnetic conductor 10 are moved down in drive, until L1 is equal to L2, screw adjusting screw simultaneously this moment
16c, 16d and torque-motor screw 11c and 11d；Conversely, when working gas gap L3 be less than L4 when, unclamp torque-motor screw 11c and
11d, screws adjusting screw 16c and 16d, is driven by jacking block 15 and moved on lower magnetic conductor 10 and coil 6 and upper magnetic conductor 8, directly
L4 is equal to L3, adjusting screw 16c, 16d and torque-motor screw 11c and 11d is screwed simultaneously this moment.
When L1 is equal to L2, and L3 equal to L4, the glue of adjusting screw 16 for screwing is sealed using low-intensity screw thread fastening glue
On one-level seat.
Embodiment two
A kind of electrohydraulic servo valve balancing controls, specially electrohydraulic servo valve torque-motor working gas gap balancing controls, including
Nozzle assembly 1, clamp nut 2, cushion block 3, guard circle 4, sealing ring 5, coil 6, upper magnetic conductor 8, armature component 9, lower magnetic conductor
10th, torque-motor screw 11, screw 13, permanent-magnet steel 14, jacking block 15, adjusting screw 16, one-level seat 17；Coil 6, permanent-magnet steel
14 are placed between magnetic conductor 8 and lower magnetic conductor 10；Armature component 9 is arranged on one-level seat 17 by screw 3；Torque-motor spiral shell
Nail 11 is arranged in one-level 17；Interstitial hole and upper magnetic conductor 8 and lower magnetic conductor of the both wings armature of armature component 9 through coil 6
10 pole shoe forms 4 working gas gaps L1, L2, L3 and L4.
In the electrohydraulic servo valve balancing controls, armature component 9 is arranged on one-level seat 17 by screw 3, armature component
Both wings armature height is certain.When working gas gap L1 is more than L2, adjusting screw 16a and 16b, clamp load torque motor screw are unclamped
11a and 11b, magnetic conductor 8 and coil 6, lower magnetic conductor 10 are moved down in drive, until L1 is equal to L2, screw regulation simultaneously this moment
Screw 16a, 16b and torque-motor screw 11a and 11b.Conversely, when working gas gap L1 is less than L2, unclamping torque-motor screw
11a and 11b, screws adjusting screw 16a and 16b, is driven on lower magnetic conductor 10 and coil 6 and upper magnetic conductor 8 by jacking block 15
Move, until L1 is equal to L2, screw adjusting screw 16a, 16b and torque-motor screw 11a and 11b simultaneously this moment.Meanwhile, jacking block 15
Jacking block 15 and lower magnetic conductor 10 connects when the small curvature spherical structure of upper surface also ensure that lower magnetic conductor 10 has certain inclination
Touch is face contact rather than long and narrow linear contact lay.
Similarly, when working gas gap L3 be more than L4 when, unclamp adjusting screw 16c and 16d, clamp load torque motor screw 11c and
11d, magnetic conductor 8 and coil 6, lower magnetic conductor 10 are moved down in drive, until L1 is equal to L2, screw adjusting screw simultaneously this moment
16c, 16d and torque-motor screw 11c and 11d；Conversely, when working gas gap L3 be less than L4 when, unclamp torque-motor screw 11c and
11d, screws adjusting screw 16c and 16d, is driven by jacking block 15 and moved on lower magnetic conductor 10 and coil 6 and upper magnetic conductor 8, directly
L4 is equal to L3, adjusting screw 16c, 16d and torque-motor screw 11c and 11d is screwed simultaneously this moment.
Claims (2)
1. a kind of electrohydraulic servo valve balancing controls, it is characterised in that：A kind of electrohydraulic servo valve balancing controls include nozzle sets
Part [1], clamp nut [2], cushion block [3], guard circle [4], sealing ring [5], coil [6], upper magnetic conductor [8], armature component
[9], lower magnetic conductor [10], torque-motor screw [11], screw [13], permanent-magnet steel [14], jacking block [15], adjusting screw
[16], one-level seat [17]；Coil [6], permanent-magnet steel [14] are placed between magnetic conductor [8] and lower magnetic conductor [10]；Armature group
Part [9] is by screw [13] in one-level seat [17]；Torque-motor screw [11] is in one-level seat [17]；Armature group
Part [9] both wings armature forms 4 work through the interstitial hole of coil [6] and the pole shoe of upper magnetic conductor [8] and lower magnetic conductor [10]
Air gap L1, L2, L3 and L4；Electrohydraulic servo valve torque horse is adjusted by 4 torque-motor screws [11] and 4 adjusting screws [16]
Up to 4 length and symmetry of working gas gap；Jacking block [15] upper surface is small curvature spherical structure.
2. a kind of electrohydraulic servo valve balancing controls according to claim 1, it is characterised in that：The adjusting screw [16] is led to
Low-intensity screw thread fastening glue glue is crossed to be enclosed in one-level seat [17].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281702.2U CN206309696U (en) | 2016-11-25 | 2016-11-25 | A kind of electrohydraulic servo valve balancing controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281702.2U CN206309696U (en) | 2016-11-25 | 2016-11-25 | A kind of electrohydraulic servo valve balancing controls |
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| CN206309696U true CN206309696U (en) | 2017-07-07 |
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| CN201621281702.2U Active CN206309696U (en) | 2016-11-25 | 2016-11-25 | A kind of electrohydraulic servo valve balancing controls |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830012A (en) * | 2017-11-24 | 2018-03-23 | 上海衡拓液压控制技术有限公司 | Integrated servo valve debugging apparatus |
| CN110030231A (en) * | 2019-04-24 | 2019-07-19 | 中国航发控制系统研究所 | A kind of online debugging device of electrohydraulic servo valve |
| CN111075988A (en) * | 2019-11-13 | 2020-04-28 | 北京机械设备研究所 | Automatic centering device and centering method for servo valve |
| US10811948B2 (en) | 2017-10-19 | 2020-10-20 | Hamilton Sunstrand Corporation | System and method for calibrating an air gap in a servovalve torque motor |
| US11018568B2 (en) | 2018-03-08 | 2021-05-25 | Hamilton Sunstrand Corporation | Servovalve with adjustable air gaps |
| CN114321059A (en) * | 2021-11-27 | 2022-04-12 | 国营芜湖机械厂 | Mechanical zero adjustment method and device for servo valve |
-
2016
- 2016-11-25 CN CN201621281702.2U patent/CN206309696U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10811948B2 (en) | 2017-10-19 | 2020-10-20 | Hamilton Sunstrand Corporation | System and method for calibrating an air gap in a servovalve torque motor |
| CN107830012A (en) * | 2017-11-24 | 2018-03-23 | 上海衡拓液压控制技术有限公司 | Integrated servo valve debugging apparatus |
| CN107830012B (en) * | 2017-11-24 | 2023-09-08 | 上海衡拓液压控制技术有限公司 | Integrated servo valve debugging device |
| US11018568B2 (en) | 2018-03-08 | 2021-05-25 | Hamilton Sunstrand Corporation | Servovalve with adjustable air gaps |
| CN110030231A (en) * | 2019-04-24 | 2019-07-19 | 中国航发控制系统研究所 | A kind of online debugging device of electrohydraulic servo valve |
| CN110030231B (en) * | 2019-04-24 | 2020-11-27 | 中国航发控制系统研究所 | Online adjusting device of electro-hydraulic servo valve |
| CN111075988A (en) * | 2019-11-13 | 2020-04-28 | 北京机械设备研究所 | Automatic centering device and centering method for servo valve |
| CN111075988B (en) * | 2019-11-13 | 2022-02-11 | 北京机械设备研究所 | Automatic centering device and centering method for servo valve |
| CN114321059A (en) * | 2021-11-27 | 2022-04-12 | 国营芜湖机械厂 | Mechanical zero adjustment method and device for servo valve |
| CN114321059B (en) * | 2021-11-27 | 2023-04-14 | 国营芜湖机械厂 | Mechanical zero adjustment method and device for servo valve |
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