CN208751757U - A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest - Google Patents
A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest Download PDFInfo
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- CN208751757U CN208751757U CN201821615637.1U CN201821615637U CN208751757U CN 208751757 U CN208751757 U CN 208751757U CN 201821615637 U CN201821615637 U CN 201821615637U CN 208751757 U CN208751757 U CN 208751757U
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- foil gauge
- waterproof
- dynamic stress
- strain gage
- sealing device
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Abstract
A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest, including the resistance strain gage being fixed on gate panel, resistance strain gage is connect with waterproof test conducting wire, it further include the toughness waterproof insulation carton outside resistance strain gage, junction between toughness waterproof insulation carton and gate panel is pasted by viscose glue, and the space interior that toughness waterproof insulation carton and gate panel are formed is filled by waterproof and sealing material.It is safe and reliable during the gates of segmental shape prototype measurement dynamic stress rest of the utility model to arrange multiple groups dynamic stress rest foil gauge in gates of segmental shape bottom, it is ensured that foil gauge and test lead and external insulation；Good seal performance, foil gauge and test lead will not seep water under turbulent condition；Shock resistance and anti-vibration work well, and voltage endurance capability is strong, test result true and accurate.
Description
Technical field
The utility model relates to stress test field more particularly to a kind of underwater turbulent condition gates of segmental shape dynamic stress rests
Foil gauge sealing device.
Background technique
Dynamic stress rest is the important means for carrying out gates of segmental shape prototype measurement.To gates of segmental shape during dynamic stress rest
Carry out stress shape of the acquisition to accurate evaluation gates of segmental shape of dynamic stress data under Structural Static stress data, underwater turbulent condition
Condition, stability and safe operation have vital meaning.And it is safe and reliable in gates of segmental shape under turbulent condition under water
The foil gauge of bottom arrangement multiple groups dynamic stress rest, it is ensured that the circuit and external insulation of resistance strain gage and test lead composition,
And the difficult point of sealing structure dynamic stress rest data collection task during damage inactivation is not prototype measurement under turbulent condition.
Therefore, a kind of foil gauge sealing device of underwater turbulent condition gates of segmental shape dynamic stress rest need to be designed.
Utility model content
The utility model provides a kind of foil gauge sealing device of underwater turbulent condition gates of segmental shape dynamic stress rest, with
It is safe and reliable during solution gates of segmental shape prototype measurement dynamic stress rest to be surveyed in gates of segmental shape bottom arrangement multiple groups dynamic stress
Try the technical problem of foil gauge.
The utility model uses following technical scheme:
A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest, including be fixed on gate panel 9
Resistance strain gage 1, resistance strain gage connect with waterproof test conducting wire 3, further includes that toughness outside resistance strain gage 1 is prevented
Water insulation carton 7, the junction between toughness waterproof insulation carton 7 and gate panel 9 are pasted by viscose glue 8, and toughness is anti-
The space interior that water insulation carton is formed with gate panel 9 is filled by waterproof and sealing material 6.
Further include the insulation spacer 4 positioned at 1 top of resistance strain gage, is arranged outside insulation spacer 4 by resistance-strain
The electric insulating sealant 5 that piece 1,3 end of waterproof test conducting wire, insulation spacer 4 seal, it is anti-that waterproof and sealing material 6 is filled in toughness
Water insulate in the space that carton 7, gate panel 9, electric insulating sealant 5 are formed.
The lead of resistance strain gage 1 is soldered to connecting terminal 2, and one end of waterproof test conducting wire 3 and connecting terminal 2 weld.
The waterproof and sealing material 6 is mixed by rosin and stator oil.
The electric insulating sealant 5 is mixed by epoxy resin and curing agent.
The area of the insulation spacer 4 is greater than the area of resistance strain gage 1.
The utility model has the beneficial effects that
(1) safe and reliable dynamic in gates of segmental shape bottom arrangement multiple groups during gates of segmental shape prototype measurement dynamic stress rest
Stress test foil gauge, it is ensured that foil gauge and test lead and external insulation；
(2) good seal performance, foil gauge and test lead will not seep water under turbulent condition；
(3) shock resistance and anti-vibration work well, and voltage endurance capability is strong, test result true and accurate；
(4) production is simple, it is convenient, easy to operate to paste；
(5) widely used, the advantages that influence by gates of segmental shape installation site and underwater turbulent condition, it is suitable for various
The dynamic stress rest under underwater turbulent condition during type gates of segmental shape prototype measurement.
Detailed description of the invention
Fig. 1 is the principles of the present invention structural schematic diagram.
Fig. 2 is the lateral schematic cross-sectional view of sealing device provided by the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
The utility model provides a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest, including fixation
Resistance strain gage 1 on gate panel 9, resistance strain gage 1 is connect with waterproof test conducting wire 3 forms a resistance loop, also
Including being located at the toughness waterproof insulation carton 7 outside resistance strain gage 1, toughness waterproof insulation carton 7 is pasted onto lock by viscose glue 8
On door face board 9, toughness waterproof insulation carton 7 and gate panel 9 form a space, which passes through waterproof and sealing material
6 fillings.
As further technical solution, the utility model further includes the insulation spacer positioned at 1 top of resistance strain gage
4,4 area of insulation spacer is greater than the area of foil gauge, and for reducing the viscosity resistance at foil gauge back, insulation spacer 4 is put
After setting on resistance strain gage 1, outside covering electric insulating sealant 5, for by resistance strain gage 1,3 end of waterproof test conducting wire,
Insulation spacer 4 formed sealing space, and waterproof and sealing material 6 be filled in toughness waterproof insulation carton 7, gate panel 9, absolutely
In the space that edge sealant 5 is formed.
The lead of above-mentioned resistance strain gage 1 is soldered to connecting terminal 2, and one end of waterproof test conducting wire 3 and terminals
Son 2 welds.
It is a kind of specific embodiment of the utility model as shown in Fig. 1 good person Fig. 2.Including resistance strain gage 1, wiring
Terminal 2, waterproof test conducting wire 3, insulation spacer 4, electric insulating sealant 5, pressure-resistant waterproof and sealing material 6, toughness waterproof insulation paper
Box 7, tenacity viscose 8, gates of segmental shape panel 9.
Resistance strain gage 1, connecting terminal 2 and the connection of waterproof test conducting wire 3 are a resistance loop, and bind mode is first will
Lead on resistance strain gage 1 is welded to connecting terminal 2, removes excess lead, then makes one end of waterproof test conducting wire 3
It gets well and is welded to connecting terminal 2；Insulation spacer 4 is the production of existing ultrathin insulating material, such as Ultrathin heat conductive silicon sheet, Asia
Gram force plate, epoxy resin glass-fiber-plate etc., area is slightly more than foil gauge area, for reducing the viscosity resistance at foil gauge back,
Electric insulating sealant 5 is existing sealant, such as epoxy resin sealant, the model produced such as Hua Zesheng company
The sealant of HZS6581C-2, insulated enclosure sequence are after fixing the position adjustment of insulation spacer 4, by insulated enclosure
Glue is covered in 4 top of insulation spacer, by resistance strain gage 1, connecting terminal 2,3 end of waterproof test conducting wire and insulation spacer
4 sealings；Pressure-resistant waterproof and sealing material 6 is epoxy resin or rosin-bobbin oil mixture, and rosin-bobbin oil weight is matched
Than that can be 1:0.05 ~ 1:0.4.
Toughness waterproof insulation carton 7 is folded by insulating paper, and tenacity viscose 8 is tenacity viscose in the prior art, is prevented
Water-stop program is to be pasted toughness waterproof insulation carton 7 with tenacity viscose 8 for after 7 position centering of toughness waterproof insulation carton
In on gates of segmental shape panel 9, it is to be pasted securely after pressure-resistant waterproof and sealing material 6 is heated to after certain temperature melts, injection by
The confined space that toughness waterproof insulation carton 7, tenacity viscose 8 and gates of segmental shape panel 9 are formed.Waterproof and sealing material 6 may be selected
Epoxy resin.
It referring to fig. 2, is the lateral schematic cross-sectional view of foil gauge sealing device.Electric insulating sealant 5 should by resistance strain gage 1,
Connecting terminal 2,3 end of waterproof test conducting wire and insulation spacer 4 seal.It preferably, is raising insulated enclosure, insulated enclosure
Area should be greater than resistance strain gage 1, connecting terminal 2,3 end of waterproof test conducting wire and insulation spacer 4 is corresponding needs to seal
Area.
The pressure-resistant waterproof and sealing material 6 after hot melt is injected by toughness waterproof insulation carton 7,8 and of tenacity viscose when sealing
The confined space that gates of segmental shape panel 9 is formed.As a preferred option, cooling after being heated again after insulating sealing materials hardening
It injects to 60 DEG C or so of pressure-resistant waterproof and sealing materials 6 by toughness waterproof insulation carton 7, tenacity viscose 8 and gates of segmental shape panel 9
The confined space of formation.
A kind of foil gauge of underwater turbulent condition gates of segmental shape dynamic stress rest of the utility model this offer is provided
The specific implementation method of sealing device:
Before carrying out gates of segmental shape prototype measurement dynamic stress rest, first bulkhead gate is put down, emptying gates of segmental shape is in front of the door
The water of position, safety and it is anhydrous in the state of carry out related work.
According to the requirement of layouting of gates of segmental shape prototype measurement dynamic stress rest, there is the measuring point cloth flooded with turbulent situation
Setting foil gauge sealing device then will with glue first by measuring point polishing, polishing, cleaning, the setting-out on gates of segmental shape panel 9
Resistance strain gage 1 is pasted on 9 corresponding position of gates of segmental shape panel, after foil gauge cements by connecting terminal 2 fasten with glue to
Then 9 corresponding position of gates of segmental shape panel made 3 end of waterproof test conducting wire and hangs up scolding tin, by drawing on resistance strain gage 1
Line is welded to connecting terminal 2, removes excess lead, one end that waterproof test conducting wire 3 is made then is welded to connecting terminal
2。
Insulation spacer 4 is cut into the shape that area is slightly more than foil gauge area, foil gauge top is fixed in adjustment,
For reducing the viscosity resistance at foil gauge back, electric insulating sealant 5 is then covered in resistance strain gage 1, connecting terminal 2, is prevented
Insulated enclosure layer is formed at the top of water test lead 3 end and insulation spacer 4.
Toughness waterproof insulation paper is cut with a paper cutter according to certain requirement and is cut, toughness waterproof insulation carton 7 is fabricated to, tough
Property 7 lower edge of waterproof insulation carton coat tenacity viscose 8, be fixed on that gates of segmental shape panel 9 is corresponding to be surveyed by prior designed position
Point position, then injects pressure-resistant waterproof and sealing material 6 by toughness waterproof insulation carton 7, tenacity viscose 8 and gates of segmental shape panel
9 confined spaces formed.
After pressure-resistant waterproof and sealing material cooling and solidifying, measurement resistance strain gage 1, connecting terminal 2 and waterproof test conducting wire 3
The resistance being formed into a loop accesses dynamic stress rest system after qualified, after work to be prepared, can carry out gates of segmental shape original
The dynamic stress rest work of type observation.
A kind of foil gauge sealing device of underwater turbulent condition gates of segmental shape dynamic stress rest provided by the utility model exists
In the dynamic stress rest of domestic a certain large hydropower station overflow surface bay gates of segmental shape prototype measurement in use, flooding and turbulent shape
Under state, foil gauge sealing device does not occur leaking and short circuit phenomenon, the dynamic stress rest data stabilization of prototype measurement, true quasi-
Really, very satisfied effect is achieved.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as
The protection scope of the utility model.
Claims (6)
1. a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest, including be fixed on gate panel (9)
Resistance strain gage (1), resistance strain gage (1) connect with waterproof test conducting wire (3), it is characterised in that: further includes being located at resistance
The external toughness waterproof insulation carton (7) of foil gauge (1), the connection between toughness waterproof insulation carton (7) and gate panel (9)
Place is pasted by viscose glue (8), and the space interior of toughness waterproof insulation carton (7) and gate panel (9) formation passes through waterproof
Sealing material (6) filling.
2. a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest according to claim 1, special
Sign is: further including the insulation spacer (4) positioned at resistance strain gage (1) top, is arranged outside insulation spacer (4) by resistance
The electric insulating sealant (5) that foil gauge (1), waterproof test conducting wire (3) end, insulation spacer (4) seal, waterproof and sealing material
(6) it is filled in the space that toughness waterproof insulation carton (7), gate panel (9), electric insulating sealant (5) are formed.
3. a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest according to claim 1, special
Sign is: the lead of resistance strain gage (1) is soldered to connecting terminal (2), one end of waterproof test conducting wire (3) and connecting terminal
(2) it welds.
4. a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest according to claim 1, special
Sign is: the waterproof and sealing material (6) is mixed by rosin and stator oil.
5. a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest according to claim 2, special
Sign is: the electric insulating sealant (5) is mixed by epoxy resin and curing agent.
6. a kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest according to claim 2, special
Sign is: the area of the insulation spacer (4) is greater than the area of resistance strain gage (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615637.1U CN208751757U (en) | 2018-09-30 | 2018-09-30 | A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821615637.1U CN208751757U (en) | 2018-09-30 | 2018-09-30 | A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest |
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| Publication Number | Publication Date |
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| CN208751757U true CN208751757U (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821615637.1U Active CN208751757U (en) | 2018-09-30 | 2018-09-30 | A kind of foil gauge sealing device of underwater turbulent condition arc door dynamic stress rest |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654701A (en) * | 2021-08-24 | 2021-11-16 | 中国航发湖南动力机械研究所 | Dynamic stress measuring device for rotor blade of aircraft engine and application of dynamic stress measuring device |
-
2018
- 2018-09-30 CN CN201821615637.1U patent/CN208751757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654701A (en) * | 2021-08-24 | 2021-11-16 | 中国航发湖南动力机械研究所 | Dynamic stress measuring device for rotor blade of aircraft engine and application of dynamic stress measuring device |
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