CN208565766U - The valve stroke regulation limiting device of nuclear power teletransmission mechanism - Google Patents
The valve stroke regulation limiting device of nuclear power teletransmission mechanism Download PDFInfo
- Publication number
- CN208565766U CN208565766U CN201821093928.9U CN201821093928U CN208565766U CN 208565766 U CN208565766 U CN 208565766U CN 201821093928 U CN201821093928 U CN 201821093928U CN 208565766 U CN208565766 U CN 208565766U
- Authority
- CN
- China
- Prior art keywords
- nuclear power
- transmission shaft
- valve stroke
- limiting slot
- limiting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to remote power transmission mechanism, in particular to the valve stroke regulation limiting device of a kind of nuclear power teletransmission mechanism.The valve stroke regulation limiting device of nuclear power teletransmission mechanism; it includes the transmission shaft connecting with drive connection portion; it further include the protective case being set in outside transmission shaft; it is characterized by: being threaded with sliding shoe on the transmission shaft; the protective case is equipped with limiting slot; sliding shoe is equipped with the gag lever post for protruding into limiting slot, and the both ends of the limiting slot are equipped with limit switch.The utility model devises a kind of valve stroke regulation limiting device of novel nuclear power teletransmission mechanism, can valve stroke be limited and be adjusted, guarantee the reliability of the opening and closing of valve, and the utility model facilitates installation, convenient for electrified control.
Description
Technical field
The utility model belongs to remote power transmission mechanism, in particular to the valve stroke tune of a kind of nuclear power teletransmission mechanism
Save limiting device.
Background technique
Valve is one of the important component in nuclear power station, is widely used in the pipeline of each workshop of nuclear power station, therefore
Guarantee valve can fast and accurately be opened and closed to be to be related to the important link of Nuclear Safety.
There is thousands of valve in nuclear power station, the major part in them can carry out local operation, and valve is located at
The extra high region of radioactivity or since too closely etc. objective condition cause to be unable to local operation for operating space, this just needs reality
The opening and closing for applying valve configures dedicated operating mechanism.
Gate valve is common valve in nuclear power station, and the stroke of gate valve is larger, and people can not directly be observed, Zhi Nengtong
Preset stroke is crossed to control gate valve, people are unable to judge accurately the aperture of valve.
Summary of the invention
In view of the deficiencies of the prior art, the utility model devises a kind of valve stroke of novel nuclear power teletransmission mechanism
Regulation limiting device can be limited and be adjusted to valve stroke, guarantee the reliability of the opening and closing of valve, and this reality
It is installed with New-type instant, convenient for electrified control.
The technical solution of the utility model is as follows:
The valve stroke regulation limiting device of nuclear power teletransmission mechanism comprising the transmission shaft being connect with drive connection portion,
It further include the protective case being set in outside transmission shaft, it is characterised in that: sliding shoe is threaded on the transmission shaft, it is described
Protective case is equipped with limiting slot, and sliding shoe is equipped with the gag lever post for protruding into limiting slot, and the both ends of the limiting slot are equipped with limit and open
It closes.
It further include the adjustable plate that limiting slot is protruded into end, adjustable plate is equipped with strip groove, and adjustable plate is fixed in by screw
On protective case, the limit switch is mounted on the end of adjustable plate.
In conclusion the utility model has the following beneficial effects:
The utility model devises a kind of valve stroke regulation limiting device of novel nuclear power teletransmission mechanism, installation
On transmission shaft, in transmission shaft rotation process, sliding shoe moves on transmission shaft, and by the limiting slot on protective case to cunning
The distance of motion block displacement is limited, and the limit of the angle to transmission shaft rotation is then also completed, can be to valve stroke
It is limited and is adjusted, guarantee the reliability of the opening and closing of valve, and the utility model facilitates installation, convenient for electrified control
System.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of adjustable plate and protective case；
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, the valve stroke regulation limiting device of nuclear power teletransmission mechanism comprising connect with drive connection portion 11
The transmission shaft 1 connect, drive connection portion are used to link with power end or manual-operating mechanism, further include being set in outside transmission shaft 1
The protective case 2 in portion, protective case 2 is for protecting transmission mechanism, influence of the reduction external environment to the precision of teletransmission mechanism,
It is threaded with sliding shoe 10 on the transmission shaft 1, in transmission shaft rotation process, sliding shoe moves on transmission shaft, described
Protective case 2 is equipped with limiting slot 20, and sliding shoe 10 is equipped with the gag lever post 101 for protruding into limiting slot, and sliding shoe is mobile to drive limit
Bar moves in limiting slot, the length limitation of the limiting slot motion range of gag lever post, thus to the angle of transmission shaft rotation into
Row limit, further, the both ends of the limiting slot 20 are equipped with limit switch 201, limit switch be divided into beginning section limit switch and
Finishing limit switch, contact of the limit switch of setting with gag lever post, exports electric signal and cuts to power end or alarm end, realization
Disconnected power input or signal warning, avoid the problem that input power is excessive.
It further include the adjustable plate 3 that limiting slot is protruded into end, adjustable plate 3 is equipped with strip groove 30, and adjustable plate 3 is solid by screw
It connects on protective case 2, the limit switch 201 is mounted on the end of adjustable plate, here by the installation of adjustable plate and protective case
Position changes to adjust the length of protective case upper limit position groove, so that the angle of revolution to transmission mechanism is adjusted, so that far
The angle of revolution for passing mechanism has adjustability, meets the requirement of different occasions.
In conclusion the utility model has the following beneficial effects:
The utility model devises a kind of valve stroke regulation limiting device of novel nuclear power teletransmission mechanism, installation
On transmission shaft, in transmission shaft rotation process, sliding shoe moves on transmission shaft, and by the limiting slot on protective case to cunning
The distance of motion block displacement is limited, and the limit of the angle to transmission shaft rotation is then also completed, can be to valve stroke
It is limited and is adjusted, guarantee the reliability of the opening and closing of valve, and the utility model facilitates installation, convenient for electrified control
System.
Claims (2)
1. the valve stroke regulation limiting device of nuclear power teletransmission mechanism comprising the transmission shaft being connect with drive connection portion, also
Including the protective case being set in outside transmission shaft, it is characterised in that: be threaded with sliding shoe, the guarantor on the transmission shaft
Sheath is equipped with limiting slot, and sliding shoe is equipped with the gag lever post for protruding into limiting slot, and the both ends of the limiting slot are equipped with limit switch.
2. the valve stroke regulation limiting device of nuclear power according to claim 1 teletransmission mechanism, it is characterised in that: also wrap
The adjustable plate that limiting slot is protruded into end is included, adjustable plate is equipped with strip groove, and adjustable plate is affixed on the protective sleeve by screw, described
Limit switch is mounted on the end of adjustable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093928.9U CN208565766U (en) | 2018-07-11 | 2018-07-11 | The valve stroke regulation limiting device of nuclear power teletransmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093928.9U CN208565766U (en) | 2018-07-11 | 2018-07-11 | The valve stroke regulation limiting device of nuclear power teletransmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565766U true CN208565766U (en) | 2019-03-01 |
Family
ID=65492839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821093928.9U Expired - Fee Related CN208565766U (en) | 2018-07-11 | 2018-07-11 | The valve stroke regulation limiting device of nuclear power teletransmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565766U (en) |
-
2018
- 2018-07-11 CN CN201821093928.9U patent/CN208565766U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210711 |