CN205958160U - Detection apparatus for large -scale ship lift synchronizing shaft moment of torsion - Google Patents
Detection apparatus for large -scale ship lift synchronizing shaft moment of torsion Download PDFInfo
- Publication number
- CN205958160U CN205958160U CN201620855447.1U CN201620855447U CN205958160U CN 205958160 U CN205958160 U CN 205958160U CN 201620855447 U CN201620855447 U CN 201620855447U CN 205958160 U CN205958160 U CN 205958160U
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- synchronizing shaft
- torsion
- wireless
- induction coil
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Abstract
The utility model discloses a detection apparatus for large -scale ship lift synchronizing shaft moment of torsion aims at providing one kind and detects the detection apparatus for large -scale ship lift synchronizing shaft moment of torsion that the precision is high. It includes strain sensor, with the electric modulated circuit who is connected of strain sensor, with the electric wireless transmitting induction coil of being connected of modulated circuit for receive the wireless inductor that picks up that the wireless transmitting induction coil was sent a signal, with the wireless demodulator that picks up the inductor electricity and is connected, the controller be connected with the demodulator, and with the electric alarm of being connected of controller, during the use wireless transmitting induction coil suit is fixed on synchronizing shaft and with synchronizing shaft, strain sensor, modulated circuit are fixed in on the synchronizing shaft, the wireless inductor that picks up is close the wireless transmitting induction coil. The utility model is suitable for a detection of all kinds of ship lift synchronizing shaft moments of torsion is used.
Description
Technical field
This utility model is related to hydropower industry large scale ship technical field, especially relates to a kind of large scale ship synchronous
The detection means of axle moment of torsion.
Background technology
Ship lift is the visual plant that on navigable river, dam crossed by ship, be related to ship up-downgoing cross dam safety it is ensured that
The unimpeded of navigation channel has important effect.And synchronous shaft system is the vitals in Ship Lift System, it is for reel
Between operating synchronization play a key effect.If operating is asynchronous between reel, ship reception chamber run-off the straight can be directly resulted in, draw
Play water body in ship reception chamber and fluctuation occurs so that the moment of torsion that synchronizing shaft carries increases, synchronizing shaft torsional deflection amount increases, and ship reception chamber continues
Continuous inclination, forms vicious cycle, thus leading to serious accident to occur.Common torque tester, is directly to pass through with synchronizing shaft
Bolt carries out machinery closing connection, when moment of torsion is excessive, torque tester it may happen that deformation, affects accuracy of detection.In addition, spiral shell
Bolt is not up to standard closing pretightning force, makes torque tester, with synchronizing shaft, relative fine motion occur, and also influences whether to survey precision, thus affecting
The judgement of system is processed, and causes accident.
Utility model content
This utility model overcomes shortcoming of the prior art, there is provided a kind of highly reliable, and accuracy of detection is high and anti-dry
The detection means of the strong large scale ship synchronizing shaft moment of torsion of ability of disturbing.
In order to solve above-mentioned technical problem, this utility model is achieved through the following technical solutions：
A kind of detection means of large scale ship synchronizing shaft moment of torsion, including strain transducer, is electrically connected with strain transducer
Modulation circuit, the wireless transmit induction coil electrically connecting with modulation circuit, for receiving wireless transmit induction coil signal transmitted
Wireless pickup induction apparatuss, the demodulator electrically connecting with wireless pickup induction apparatuss, the controller being connected with demodulator, and with control
The alarm of device electrical connection processed；During use, described wireless transmit induction coil is set on synchronizing shaft and is fixed with synchronizing shaft, described
Strain transducer, modulation circuit are fixed on synchronizing shaft；Described wireless pickup induction apparatuss are close to wireless transmit induction coil.
Preferably, described alarm adopts audible-visual annunciator.
Compared with prior art, this utility model has the advantage that：
Signal transmission of the present utility model adopts wireless mode, mechanical contact wear, strong antijamming capability.It can be real
When, the moment of torsion of high precision test synchronizing shaft, higher than common measurement sensitivity more than 20 times, fully meet synchronizing shaft torque measurement
Accuracy requirement, plays early warning function.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is this utility model structure diagram.
Fig. 2 is process chart of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of paying creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
The detection means of the moment of torsion of large scale ship synchronizing shaft shown in Fig. 1, including strain transducer 1, with strain transducer 1 electricity
The modulation circuit 2 connecting, the wireless transmit induction coil 3 electrically connecting with modulation circuit 2, for receiving wireless transmit induction coil 3 institute
The wireless pickup induction apparatuss 4 of sending signal, the demodulator 5 electrically connecting with wireless pickup induction apparatuss 4, the control being connected with demodulator 5
Device 6 processed, and the alarm 7 electrically connecting with controller 6；During use, described wireless transmit induction coil 3 is set on synchronizing shaft 10
And fixing with synchronizing shaft 10, described strain transducer 1, modulation circuit 2 are fixed on synchronizing shaft 10；Described wireless pickup induction apparatuss
4 close to wireless transmit induction coil 3.
Described alarm 7 preferably employs audible-visual annunciator.
During use, strain transducer, modulation circuit are installed on synchronizing shaft, and its handling process is as shown in Fig. 2 strain sensing
Device obtains electric energy by wireless transmit induction coil from wireless pickup induction apparatuss, and strain transducer senses the stress change of synchronizing shaft,
Output corresponding signal, signal carries out pcm encoder through overmodulated circuit, is gone out by wireless transmit induction coil wireless transmit, wirelessly pick up
Take induction apparatuss to be received, demodulated device is demodulated and processes, signal modulation is become the corresponding normalized current of 4～20mA
Value output.Controller can carry out early warning judgement to the torque signal of multiple monitoring points of setting, if there are the point beyond setting value
Or moment of torsion contrast between multiple points is occurred abnormal, by wired output alarm signal and on-off model to main control system
System, plays early warning, generation of preventing accident.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (2)
1. a kind of detection means of large scale ship synchronizing shaft moment of torsion it is characterised in that：Including strain transducer, with strain sensing
The modulation circuit of device electrical connection, the wireless transmit induction coil electrically connecting with modulation circuit, for receiving wireless transmit induction coil institute
The wireless pickup induction apparatuss of sending signal, the demodulator electrically connecting with wireless pickup induction apparatuss, the controller being connected with demodulator,
And the alarm being electrically connected with the controller；During use, described wireless transmit induction coil is set on synchronizing shaft and solid with synchronizing shaft
Fixed, described strain transducer, modulation circuit are fixed on synchronizing shaft；Described wireless pickup induction apparatuss sense close to wireless transmit
Circle.
2. according to claim 1 large scale ship synchronizing shaft moment of torsion detection means it is characterised in that：Described alarm is adopted
Use audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620855447.1U CN205958160U (en) | 2016-08-09 | 2016-08-09 | Detection apparatus for large -scale ship lift synchronizing shaft moment of torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620855447.1U CN205958160U (en) | 2016-08-09 | 2016-08-09 | Detection apparatus for large -scale ship lift synchronizing shaft moment of torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958160U true CN205958160U (en) | 2017-02-15 |
Family
ID=57974254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620855447.1U Active CN205958160U (en) | 2016-08-09 | 2016-08-09 | Detection apparatus for large -scale ship lift synchronizing shaft moment of torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649131A (en) * | 2020-11-28 | 2021-04-13 | 华能澜沧江水电股份有限公司 | Hydraulic ship lift synchronizing shaft torque test fault diagnosis method |
-
2016
- 2016-08-09 CN CN201620855447.1U patent/CN205958160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649131A (en) * | 2020-11-28 | 2021-04-13 | 华能澜沧江水电股份有限公司 | Hydraulic ship lift synchronizing shaft torque test fault diagnosis method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |