CN206756388U - A kind of high-voltage cable middle joint environment water level simulation test device - Google Patents
A kind of high-voltage cable middle joint environment water level simulation test device Download PDFInfo
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- CN206756388U CN206756388U CN201720622447.1U CN201720622447U CN206756388U CN 206756388 U CN206756388 U CN 206756388U CN 201720622447 U CN201720622447 U CN 201720622447U CN 206756388 U CN206756388 U CN 206756388U
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- water level
- water tank
- voltage cable
- test device
- level simulation
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Abstract
The utility model discloses a kind of high-voltage cable middle joint environment water level simulation test device.At present, the domestic cable water level analogue means built, easily causes cable bend, influences cable and transition joint safe operation.The utility model includes test water tank, a breach for being used to making the high-tension cable positioned at transition joint both ends to follow transition joint upper and lower translation together, the sealing baffle sealed connection vertically arranged positioned at the test water tank lateral wall of the indentation, there and one are provided with the left and right lateral wall of test water tank;Described sealing baffle is provided with an outlet-pipe laterally set and a through hole laterally set, described outlet-pipe are communicated with through hole, run through for high-tension cable.The utility model can make high-tension cable follow transition joint upper and lower translation disengaging casing together, effectively avoid the high-tension cable body stress positioned at transition joint both ends from bending, cable system safe operation will not be impacted.
Description
Technical field
High-tension cable simulation test device field is the utility model is related to, especially a kind of high-voltage cable middle joint environment
Water-level simulation experimental rig.
Background technology
Authentic and valid environment water level analogue means is research high-voltage cable middle joint waterproof measure effect and different rings
The necessary basis condition of border water level influencing characterisitic.
Internal power cable uses underground laying mode, such as raceway groove, comb and direct-burried system of laying mostly, in underground water
The higher or throughout the year rainy area in position(Such as Yangtze Area), in During Process of Long-term Operation, cable body and annex are subjected to ring
The influence of border water level factor, it will result in quality of insulation after body insulation water inlet and gradually degrade, most probably cause the insulation to be
The destruction of system, and then power failure of breaking down.With to insulation water suction and the research of water tree and the intensification of understanding, gradually recognize electricity
The importance of power cable waterproof performance, water resistance have been included in cable " six is anti-" and required.
How by effective environment water level analogue means, carry out high-voltage cable middle joint waterproof measure effect and difference
The research of ambient water position influence system safety operation, it has also become ensure the important topic of power cable safe operation.At present, it is domestic
The cable water level analogue means built, it is more using directly cable or transition joint are put into Rectangular Water Trough, not operatively by electricity
Cable and tank are combined together, and not only tank is bulky, require high to test site, and easily cause cable bend, influence electricity
Cable and transition joint safe operation, therefore, it is necessary to by building a kind of high-voltage cable middle joint environment water level simulated test
Device.
Utility model content
In view of this, the utility model provides a kind of high-voltage cable middle joint environment water level simulation test device, to have
Effect, which carries out high-voltage cable middle joint waterproof measure effect and varying environment water level, influences system safety operation research.
To achieve the above object, the utility model provides following technical scheme:A kind of high-voltage cable middle joint ambient water
Position simulation test device, including test water tank,
One is provided with the left and right lateral wall of the test water tank to be used to follow positioned at the high-tension cable at transition joint both ends
The breach of transition joint upper and lower translation together, the sealing baffle vertically arranged positioned at the test water tank lateral wall of the indentation, there and one
It is tightly connected, avoids indentation, there leak;
Described sealing baffle is provided with an outlet-pipe laterally set and a through hole laterally set, described outlet-pipe
Communicate with through hole, run through for high-tension cable.
The utility model can make the high-tension cable positioned at transition joint both ends follow transition joint, and upper and lower translation passes in and out together
Casing, effectively avoid the high-tension cable body stress positioned at transition joint both ends from bending, cable system safe operation will not be made
Into influence.It is compact-sized using the utility model of said structure.
It is provided with as the supplement of above-mentioned technical proposal, in described test water tank at least one for supporting transition joint
Transition joint bracket, described transition joint bracket be used for transition joint is fixed, after immersion transition joint will not shift.
As the supplement of above-mentioned technical proposal, the sealing baffle with positioned at the indentation, there test water tank lateral wall it
Between using sealing strip seal, avoid the junction leak between sealing baffle and test water tank lateral wall.
As the supplement of above-mentioned technical proposal, described breach and sealing baffle take the shape of the letter U, and the sealing baffle hides completely
The described breach of lid.
As the supplement of above-mentioned technical proposal, a U-shaped locating slot is provided with the madial wall of the sealing baffle, described is close
Strip of paper used for sealing is embedded in U-shaped locating slot, the lateral wall of sealing strip and is sealed between the test water tank lateral wall of the indentation, there.
As the supplement of above-mentioned technical proposal, the sealing baffle with the test water tank positioned at the indentation, there using screw or
Bolt is fixedly connected, and described screw or bolt are not through test water tank.
As the supplement of above-mentioned technical proposal, described test water tank includes the casing of open topped, and described breach is set
On casing.
As the supplement of above-mentioned technical proposal, the lateral wall of the casing is provided with the branch for being used for installing on-Line Monitor Device
Frame.
As the supplement of above-mentioned technical proposal, be provided with water inlet and delivery port on described casing, water inlet be provided with into
Penstock, water outlet are provided with flowing water Valve, by water-in and water-out Valve controlling SEA LEVEL VARIATION, to simulate varying environment water level;Case
After being sealed at the top of body and installing pressue device additional, transition joint deep water level running environment can be simulated.
As the supplement of above-mentioned technical proposal, during simulated test, filled out between described outlet-pipe and high-tension cable oversheath
Fluid sealant is filled, water blocking tape, the heat-shrink tube of water blocking tape overcoat one are wound outside fluid sealant;Outside the other end and high-tension cable of the heat-shrink tube
The junction winding water blocking tape of sheath, water blocking tape wind PVC bands outside.Using this technical scheme, good sealing effect.
Compared with prior art, the utility model can make the high-tension cable positioned at transition joint both ends follow transition joint one
Upper and lower translation disengaging casing is played, effectively avoids the high-tension cable body stress positioned at transition joint both ends from bending, will not be to cable
System safety operation impacts;Transition joint bracket is set in casing, after immersion transition joint will not shift;Set into and out of
Penstock, controlling water level is facilitated to change, to simulate different immersion situations;For sealing baffle using being fixedly connected, sealing effectiveness is good;
Compact overall structure, it is convenient and practical;Can effective simulated high-pressure cable intermediate joint Riddled Condition, study each operation characteristic amount change
Situation, improve high-tension cable safe and reliable operation.
Brief description of the drawings
Enter in order to illustrate more clearly of the technical scheme in the embodiment of the utility model, and with the technical scheme of background technology
Row contrast, will be briefly described to the required accompanying drawing used in the utility model embodiment below.It should be evident that below
The utility model embodiment accompanying drawing in description is only part of the embodiment, for those of ordinary skill in the art,
On the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is structural representation when the utility model carries out water-level simulation;
Fig. 3 is Fig. 2 side view;
Fig. 4 is the side view (not installing sealing baffle) of the utility model test water tank;
Fig. 5 is the schematic diagram (overlook direction) when the utility model test water tank places high-tension cable and transition joint;
Fig. 6 is the schematic diagram (overlook direction) at the utility model sealing structure;
Fig. 7 is the enlarged drawing at A in Fig. 6;
Fig. 8 is the enlarged drawing at B in Fig. 6.
In figure, 1- test water tanks, 2- transition joints, 3- high-tension cables, 4- breach, 5- sealing baffles, 6- outlet-pipes, in 7-
Between splice trays, 9- sealing strips, 10- supports, 11- water inlets, 12- delivery ports, 13- heat-shrink tubes, 14-PVC bands.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described the utility model embodiment is only the utility model part of the embodiment, and
The embodiment being not all of.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of work, belong to the scope of the utility model protection.
High-voltage cable middle joint environment water level simulation test device schematic diagram is shown referring to Fig. 1-4.
In the present embodiment, high-voltage cable middle joint environment water level simulation test device is by test water tank 1, sealing baffle
5th, transition joint bracket 7 and the support 10 for installing on-Line Monitor Device are formed, and overall is in cube, and top is long without cover plate
Width and height dimensions are 2.2 meters * 0.7 meter * 1.1 meters.
A high-tension cable 3 being used for positioned at transition joint both ends is provided with the left and right lateral wall of test water tank 1 to follow
Between the upper and lower translation together of joint 2 breach 4, test water tank lateral wall and vertically arranged sealing baffle 5 at the breach 4
It is tightly connected using sealing strip 9.Described test water tank 1 is the casing of an open topped, and described breach 4 is located on casing.
The lateral wall of casing is provided with the support 10 for being used for installing on-Line Monitor Device.
Described sealing baffle 5 is provided with the outlet-pipe 6 laterally set and the through hole laterally set, described outlet-pipe 6
Communicate with through hole, run through for high-tension cable.
Provided with multiple transition joint brackets 7 for being used to support transition joint 2, described centre in described test water tank 1
Splice trays 7 are used to transition joint 2 be fixed.
Described breach 4 and sealing baffle 5 takes the shape of the letter U, and sealing baffle 5 is completely covered by described breach 4.Sealing baffle 5
Madial wall on be provided with U-shaped locating slot, described sealing strip 9 is embedded in U-shaped locating slot, the lateral wall of sealing strip 9 with positioned at should
Sealed between test water tank lateral wall at breach 4.
The sealing baffle 5 is fixedly connected with the test water tank 1 positioned at the indentation, there using screw or bolt, described spiral shell
Silk or bolt are not through test water tank.
Water inlet 11 and delivery port 12 are provided with described casing, is provided with inlet valve at water inlet 11, at delivery port 12
Provided with flowing water Valve.
The utility model is made in use, as shown in figure 5, the outlet-pipe of sealing baffle is enclosed on high-tension cable using breach
High-tension cable 3 positioned at transition joint both ends is displaced downwardly to bottom from the top of test water tank 1 is parallel together with transition joint 2, then
Sealing strip is put into the U-shaped locating slot of sealing baffle, fastened sealing baffle and casing by bolt.
Consolidation is filled with fluid sealant between the outlet-pipe and cable jacket of both sides sealing baffle plate, further around 3 layers of water blocking tape of bag, then
The heat-shrink tube being inserted in advance is tightened, pyrocondensation tube end is further around 3 layers of water blocking tape and PVC bands is wrapped, as shown in figs 6-8;Treat that waterproof is arranged
After performing, casing will be mounted in for the support 10 for installing on-Line Monitor Device.
According to pilot project, required environment water level is filled to from water inlet, after off-test, flowing water Valve is opened and discharges water.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of high-voltage cable middle joint environment water level simulation test device, including test water tank (1), it is characterised in that
One is provided with the left and right lateral wall of the test water tank (1) to be used to make the high-tension cable (3) positioned at transition joint both ends
The breach (4) of transition joint (2) upper and lower translation together is followed, it is vertical positioned at the test water tank lateral wall at breach (4) place and one
The sealing baffle (5) of setting is tightly connected;
Described sealing baffle (5) is provided with an outlet-pipe laterally set (6) and a through hole laterally set, described outlet
Pipe (6) communicates with through hole, runs through for high-tension cable.
2. high-voltage cable middle joint environment water level simulation test device according to claim 1, it is characterised in that described
Test water tank (1) in provided with least one be used to supporting the transition joint bracket (7) of transition joint (2), it is described in indirectly
Head bracket (7) is used to transition joint (2) be fixed.
3. high-voltage cable middle joint environment water level simulation test device according to claim 1 or 2, it is characterised in that
The sealing baffle (5) and positioned at breach (4) place test water tank (1) lateral wall between using sealing strip (9) seal.
4. high-voltage cable middle joint environment water level simulation test device according to claim 3, it is characterised in that described
Breach (4) and sealing baffle (5) take the shape of the letter U, the sealing baffle (5) is completely covered by described breach (4).
5. high-voltage cable middle joint environment water level simulation test device according to claim 4, it is characterised in that described
A U-shaped locating slot is provided with the madial wall of sealing baffle (5), described sealing strip (9) is embedded in U-shaped locating slot, sealing strip (9)
Lateral wall and positioned at breach (4) place test water tank lateral wall between seal.
6. high-voltage cable middle joint environment water level simulation test device according to claim 1 or 2, it is characterised in that
The sealing baffle (5) is fixedly connected with the test water tank (1) positioned at the indentation, there using screw or bolt, described screw or
Bolt is not through test water tank.
7. high-voltage cable middle joint environment water level simulation test device according to claim 1 or 2, it is characterised in that
Described test water tank (1) includes the casing of open topped, and described breach (4) is located on casing.
8. high-voltage cable middle joint environment water level simulation test device according to claim 7, it is characterised in that described
The lateral wall of casing is provided with the support (10) for being used for installing on-Line Monitor Device.
9. high-voltage cable middle joint environment water level simulation test device according to claim 7, it is characterised in that described
Casing on be provided with water inlet (11) and delivery port (12), water inlet (11) place is provided with inlet valve, and delivery port (12) place is provided with
Flowing water Valve.
10. high-voltage cable middle joint environment water level simulation test device according to claim 1 or 2, it is characterised in that
During simulated test, filling with sealant between described outlet-pipe (6) and high-tension cable (3) oversheath, fluid sealant winds waterproof outside
Band, the heat-shrink tube of water blocking tape overcoat one (13);The other end of the heat-shrink tube (13) is wound with the junction of high-tension cable oversheath
Water blocking tape, water blocking tape wind PVC bands (14) outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720622447.1U CN206756388U (en) | 2017-05-31 | 2017-05-31 | A kind of high-voltage cable middle joint environment water level simulation test device |
Applications Claiming Priority (1)
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CN201720622447.1U CN206756388U (en) | 2017-05-31 | 2017-05-31 | A kind of high-voltage cable middle joint environment water level simulation test device |
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Publication Number | Publication Date |
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CN206756388U true CN206756388U (en) | 2017-12-15 |
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CN201720622447.1U Expired - Fee Related CN206756388U (en) | 2017-05-31 | 2017-05-31 | A kind of high-voltage cable middle joint environment water level simulation test device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107192503A (en) * | 2017-05-31 | 2017-09-22 | 国网浙江省电力公司电力科学研究院 | A kind of high-voltage cable middle joint environment water level simulation test device |
CN109738351A (en) * | 2019-02-20 | 2019-05-10 | 扬州大学 | A kind of hollow cladding cable connector experimental rig |
-
2017
- 2017-05-31 CN CN201720622447.1U patent/CN206756388U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107192503A (en) * | 2017-05-31 | 2017-09-22 | 国网浙江省电力公司电力科学研究院 | A kind of high-voltage cable middle joint environment water level simulation test device |
CN107192503B (en) * | 2017-05-31 | 2023-09-08 | 国网浙江省电力公司电力科学研究院 | High-voltage cable intermediate head environmental water level simulation test device |
CN109738351A (en) * | 2019-02-20 | 2019-05-10 | 扬州大学 | A kind of hollow cladding cable connector experimental rig |
CN109738351B (en) * | 2019-02-20 | 2021-05-18 | 扬州大学 | Hollow multi-layer cable joint test device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
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CF01 | Termination of patent right due to non-payment of annual fee |