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 PDF

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Publication number
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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CN
China
Prior art keywords
water level
water tank
voltage cable
test device
level simulation
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
Application number
CN201720622447.1U
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Chinese (zh)
Inventor
曹俊平
蒋愉宽
王少华
刘浩军
刘黎
胡文堂
任广振
吴旭翔
周象贤
李特
于淼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Zhejiang Zhedian Energy Saving Services Co Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Zhedian Energy Saving Services Co Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd
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Application filed by State Grid Zhejiang Zhedian Energy Saving Services Co Ltd, State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Zhedian Energy Saving Services Co Ltd
Priority to CN201720622447.1U priority Critical patent/CN206756388U/en
Application granted granted Critical
Publication of CN206756388U publication Critical patent/CN206756388U/en
Expired - Fee Related legal-status Critical Current
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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

A kind of high-voltage cable middle joint environment water level simulation test device
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.
CN201720622447.1U 2017-05-31 2017-05-31 A kind of high-voltage cable middle joint environment water level simulation test device Expired - Fee Related CN206756388U (en)

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Application Number Priority Date Filing Date Title
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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Application Number Priority Date Filing Date Title
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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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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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Granted publication date: 20171215

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