CN205038897U - A composite bushing subassembly for transmitting electricity high tension cable connects teaching - Google Patents

A composite bushing subassembly for transmitting electricity high tension cable connects teaching Download PDF

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Publication number
CN205038897U
CN205038897U CN201520685475.9U CN201520685475U CN205038897U CN 205038897 U CN205038897 U CN 205038897U CN 201520685475 U CN201520685475 U CN 201520685475U CN 205038897 U CN205038897 U CN 205038897U
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China
Prior art keywords
composite bushing
cable
assembly
examination
transmitting electricity
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CN201520685475.9U
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Chinese (zh)
Inventor
蒋利明
许燕
易华
周宏�
王福生
蔡春雨
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Shanghai Sanyuan Cable Accessories Co Ltd
State Grid Shanghai Electric Power Co Ltd
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Shanghai Sanyuan Cable Accessories Co Ltd
State Grid Shanghai Electric Power Co Ltd
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Abstract

The utility model discloses a composite bushing subassembly for transmitting electricity high tension cable connects teaching through setting up top cap, composite bushing, cable subassembly, stress cone, bottom plate and tail pipe subassembly, has reduced the height of examination with the composite bushing subassembly, has lightened the weight of examination with the composite bushing subassembly, has reduced the examination and has used the cable length, has improved the examination security simultaneously. Contrast through the cable termination subassembly with the in -service use, the thimble assembly changes combined material into by the porcelain, the overall height has been reduced 1100mm's length by 2600mm, thimble assembly weight is fallen for 65KG from 600KG, cable length in the thimble assembly is followed 4.5m approximately and is reduced to 3.3m, a pole of being qualified for the next round of competitions changes split type structure into by the integral type structure for in the cable termination subassembly, the bottom plate of cable pothead jointing sleeve subassembly adopts the copper to become, weight is about 73KG and changes the aluminum alloy into, weight reduces to 23.5KG, thereby very big saving the examination cost, examination efficiency has been improved simultaneously.

Description

A kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity
Technical field
The utility model relates to the examination teaching equipment in electric system, is specifically related to a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity.
Background technology
Utilities Electric Co., as the Typical Representative of state-owned super-huge electric power enterprise, pays much attention to cable splice work ability assessment work.High-voltage cable joint work full practical operation examination is with high costs, mainly because student uses new jacking to carry out practising or examining, adds the cost burden of enterprise, and this is one of critical bottleneck of the full practical operation examination of restriction cable splice work.As shown in Figure 5, in the thimble assembly embodiment that actual industrial uses, thimble assembly comprises charging operation parts and collar tube sub-assembly, and wherein, charging operation part length is 1200mm, collar tube sub-assembly is 1400mm, then pipe assembly overall height is 2600mm.And sleeve pipe adopts stupalith to make, and makes thimble assembly weight be about 600KG.Cable length in thimble assembly is about 4.5m.As shown in Figure 7, the outlet rod for thimble assembly adopts integral structure, and when different personnel examine, outlet rod is single use material, and each examination all needs to change.The base plate of thimble assembly is made of copper, and weight is about 73KG.When the thimble assembly that actual industrial uses being used for transmitting electricity in high-voltage cable joint teaching, because the charging operation parts of prior art middle sleeve assembly do not have practical use, and thimble assembly adopts stupalith to make, therefore make the thimble assembly weight of prior art more greatly, highly higher, then need adopt lifting assistance complete teaching, training; Simultaneously because the outlet rod of the thimble assembly of actual industrial use adopts integral structure, then need to change whole outlet rod after each teaching, training; Therefore training cost is considerably increased.For above problem, be badly in need of exploitation transmission of electricity high-voltage cable joint examination specialized barrel terminal, guarantee on the one hand not affect examination quality, do not violate examination technique, significantly reduce examination cost simultaneously, guarantee the fairness of examination, security, high efficiency and economy, realize assessment work normalization.
Utility model content
The purpose of this utility model is to provide a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity, by arranging top cover, composite bushing, cable assembly, stress cone, base plate and tail pipe assembly, wherein composite bushing adopts the sleeve pipe made of fiberglass and silica gel glue full skirt to make, and changes in prior art and causes casing weight to cause very greatly imparting knowledge to students the inconvenient problem of application owing to adopting stupalith to make sleeve pipe.Therefore, the utility model has the advantages that: by changing the material of composite bushing, greatly reduce the weight of examination composite bushing assembly; Reduce charging operation parts of the prior art, reduce the height of examination composite bushing assembly, decrease examination cable length, improve examination security simultaneously.And the utility model is by being set to mounting rod, crimping bar two parts by the outlet rod of cable assembly; In reality examination, only need to change crimping bar and examine for different personnel, make mounting rod with crimp bar can active link, thus greatly reduce examination cost.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
For a composite bushing assembly for high-voltage cable joint teaching of transmitting electricity, this composite bushing assembly comprises:
Top cover;
Composite bushing, described composite bushing top is connected with described top cover;
Cable assembly, is arranged in described composite bushing;
Stress cone, is arranged in described composite bushing, is nested with in described cable assembly;
Base plate, is arranged on bottom described composite bushing, and is connected with this composite bushing;
Tail pipe assembly, is arranged on described base plate, and is communicated with described cable assembly.
Described cable assembly comprises:
Cable, the middle part cover of described cable has described stress cone;
Outlet rod, one end of described outlet rod is arranged on described top cover outside, and the other end of this outlet rod is connected with the front end of described cable;
First heat-shrink tube, is nested with on the front end of described cable.
Described outlet rod comprises:
Mounting rod, the top of described mounting rod is arranged on described top cover outside, and the bottom of this mounting rod is arranged in described composite bushing;
Crimping bar, is arranged in described composite bushing; The bottom of described crimping bar is connected with the front end of described cable, and the top of this crimping bar is connected with the bottom of the described mounting rod be arranged in described composite bushing.
Be provided with installing component bottom described mounting rod, be flexibly connected with described crimping bar;
Described crimping masthead portion is provided with installation draw-in groove, and described installing component is arranged in described installation draw-in groove.
Described mounting rod is adopted and is formed from aluminium, and described crimping bar is made of copper.
Described composite bushing comprises:
Sleeve pipe, adopts fiberglass to make; Described cable assembly, described stress cone are arranged in described sleeve pipe;
Silicon rubber umbrella skirt, is set on described sleeve outer wall.
Described tail pipe assembly comprises:
Tail pipe, the top of described tail pipe is arranged in described base plate, and the tail end of this tail pipe is arranged on this base plate external; The part of described cable bottom described composite bushing is arranged in described tail pipe, and described tail pipe and described cable carry out lead sealing and be connected and fixed;
Second heat-shrink tube, is nested with on described tail pipe and described cable.
Described cable jacket all divests;
The insulation screen of this partial cables, from the one end be connected with described outlet rod to described stress cone root, divest by described cable.
The utility model compared with prior art has the following advantages:
A kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity disclosed in the utility model, by arranging top cover, composite bushing, cable assembly, stress cone, base plate and tail pipe assembly; Wherein, the sleeve pipe that composite bushing is made up of fiberglass and silicon rubber umbrella skirt form, and solve in prior art and adopt pottery to make sleeve pipe, thus cause the problem that casing weight makes greatly teaching application inconvenient.The utility model has the advantage of: by reducing charging operation parts of the prior art, reduce the height of examination composite bushing assembly; Decrease examination cable length simultaneously, then decrease the cable handling time, shorten the examination cycle; By change composite bushing material, reduce charging operation parts of the prior art, alleviate the weight of examination composite bushing assembly, thus improve examination security.Further, the utility model is by being set to mounting rod, crimping bar two parts by the outlet rod of cable assembly; In reality examination, only need to change crimping bar and examine for different personnel, make mounting rod with crimp bar can active link, thus greatly reduce examination cost.
A kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity disclosed in the utility model, tool has the following advantages: 1, the material type selecting of composite bushing assembly there occurs change: adopt pottery to make sleeve pipe in prior art; In the present invention, the sleeve pipe that composite bushing is made up of fiberglass and silicon rubber umbrella skirt form; 2, the structural design of composite bushing assembly improves: the present invention reduces charging operation parts of the prior art, reduce the height of examination composite bushing assembly, decrease examination cable length, and the outlet rod in cable termination assembly changes split-type structural into by integral structure; 3, the mode of operation of composite bushing assembly improves: the present invention improves due to structure, make in actual examination, only need to change crimping bar to examine for different personnel, make mounting rod with crimp bar can active link, thus greatly reduce examination cost.
Accompanying drawing explanation
Fig. 1 is one of one-piece construction schematic diagram of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Fig. 2 is the outlet rod structural representation of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Fig. 3 is one of prior art schematic diagram of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Fig. 4 is the prior art schematic diagram two of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Fig. 5 is the prior art schematic diagram three of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Fig. 6 is the one-piece construction schematic diagram two of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Fig. 7 is the prior art schematic diagram four of a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity of the utility model.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity, this composite bushing 2 assembly comprises: top cover 1, composite bushing 2, cable assembly 3, stress cone 4, base plate 5 and tail pipe assembly 6.
Wherein, composite bushing 2 top is connected with top cover 1; Cable assembly 3 is arranged in composite bushing 2; Stress cone 4 is arranged in composite bushing 2, is nested with in cable assembly 3; Base plate 5 is arranged on bottom composite bushing 2, and is connected with this composite bushing 2; Tail pipe assembly 6 is arranged on base plate 5, and is communicated with cable assembly 3.
As shown in Figure 1, composite bushing 2 comprises: sleeve pipe 21, silicon rubber umbrella skirt 22, and wherein, sleeve pipe 21 adopts fiberglass to make; Cable assembly, stress cone are arranged in sleeve pipe; Silicon rubber umbrella skirt 22, is set on described sleeve outer wall.
In the utility model, due to composite bushing 2 adopt fiberglass, silicon rubber makes, security is better.Be about 600KG compared to the transmission of electricity high-tension cable specialized barrel weight of prior art simultaneously, in the utility model, composite bushing general assembly (TW) is about about 65KG, alleviate the weight of thimble assembly greatly, can accomplish merrily and lightheartedly, easily to install and use in field research uses, save on-the-spot crane, strengthen fairness and the security of examination.Base plate 5 adopts aluminium matter to make, can be cost-saving compared with prior art, reduces composite bushing lightweight packages, can improve safety in utilization simultaneously.
As shown in Figure 6, in the present embodiment, the total length of composite bushing 2 is 1500mm, reduces the length of 1100mm compared with (shown in Fig. 5) 2600mm in prior art.Because the length of about the 1100mm that has an appointment in the outdoor terminal assembly that reality uses is for ensureing creepage distance design, and in training, there is no actual use meaning.Therefore shorten the total length of composite bushing 2, can make user can be safer in the process used.After base plate 5 adopts alumina based material to make, quality is reduced to 23.5KG from the 73KG of prior art.
As shown in Figure 1, cable assembly 3 comprises: cable 31, outlet rod 32 and the first heat-shrink tube 33.Wherein, the middle part cover of cable 31 has stress cone 4; One end of outlet rod 32 is arranged on top cover 1 outside, and the other end of this outlet rod 32 is connected with the front end of cable 31; First heat-shrink tube 33 is nested with on the front end of cable 31; First heat-shrink tube 33 inside has insulating self-adhesive band to be bundled into olive shape.
In the utility model, because the total length of composite bushing 2 shortens compared to the sleeve pipe total length of prior art, then the length of cable 31 tapers to 3.3m by the 4.5m of prior art, save cable length, reduce examination cost, decrease the cable handling time simultaneously, shorten the examination cycle.
In prior art, outdoor terminal assembly general assembly (TW) is greater than at about 600KG.In the present embodiment, as shown in Figure 1, the stupalith of sleeve pipe of the prior art is changed into sleeve pipe 21 that fiberglass makes, silicon rubber umbrella skirt 22 that silicon rubber is made by composite bushing 2 and the aluminium alloy flange 23 that is arranged on composite bushing 2 top and bottom forms, and shorten composite bushing 2 length, after shortening cable 31 length simultaneously, composite bushing assembly general assembly (TW) tapers to about 65KG, greatly reduces examination composite bushing assembly general assembly (TW).Therefore the utility model is in reality examination, without the need to adopting on-the-spot crane, strengthening examination fairness, security.
As shown in Figure 2, outlet rod 32 comprises: mounting rod 321, crimping bar 322.Wherein, the top of mounting rod 321 is arranged on top cover 1 outside, and the bottom of this mounting rod 321 is arranged in composite bushing 2.Crimping bar 322 is arranged in composite bushing 2; The bottom of crimping bar 322 is connected with the front end of cable 31, and the top of this crimping bar 322 is connected with the bottom of the mounting rod 321 be arranged in composite bushing 2.
Installing component 3211 is provided with, for being flexibly connected with crimping bar 322 bottom mounting rod 321; Crimping bar 322 top is provided with installs draw-in groove 3221, and installing component 3211 is arranged on to be installed in draw-in groove 3221.In the utility model, mounting rod 321 is adopted and is formed from aluminium, and crimping bar 322 is made of copper.
Outlet rod 32 changes section design into from the integrated design of prior art (shown in Fig. 7), outlet rod 32 is divided into mounting rod 321, crimping bar 322, can meets the requirement of compression joint technique and installation procedure.When different personnel examine, crimping bar 322 is single use material, and each examination all needs to change.Due to mounting rod 321 and crimping bar 322 by installing component 3211, draw-in groove 3221 be installed be flexibly connected, then mounting rod 321 is after each replacing crimping bar 322, only needs same mounting rod 321 to be connected into the connection that corresponding crimping bar 322 can complete outgoing line part.In the present embodiment, between installing component 3211, installation draw-in groove 3221, screw thread is adopted to connect.
In the present embodiment, the length of mounting rod 321 is 200mm, and crimping bar 322 length is 100mm.
As shown in Figure 1, tail pipe assembly 6 comprises: tail pipe 61, second heat-shrink tube 62.Wherein, one end of tail pipe 61 is arranged in base plate 5, and the other end of this tail pipe 61 is arranged on this base plate 5 outside; The part of cable 31 bottom composite bushing 2 is arranged in tail pipe 61.The tail end of cable 31 is arranged on this tail pipe 61 outside.Adopt lead sealing to be connected and fixed tail pipe 61 and the protective metal shell of cable 31, and the second heat-shrink tube 62 is nested with at tail pipe 61 with on the protective metal shell of cable 31.
As shown in Figure 1, the oversheath of cable 31 all divests.The insulation screen of this partial cables 31, from the one end be connected with outlet rod 32 to stress cone 4 root, divest by cable 31.
Outlet rod 32 is fixing by crimping with the one end of the cable 31 divesting insulation screen.Stress cone 4 and a section of cable 31 divesting insulation screen are lubricated by lubricant contact thus are installed to process station.
A kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity disclosed in the utility model, can examine by complete independently, realizes the economy of examination, fairness, security and high efficiency.Examination composite bushing assembly is lighter than the thimble assembly of actual use far away due to quality simultaneously, without the need to using crane to assist examination to complete in examination process, achieves the economy of personnel checking-up, security.Again, outlet rod 32 adopts split-type structural, and mounting rod 321 can be recycled, and improves the economy of examination.
The utility model, compared to prior art, cost-savingly in examination process is expected to be 3500 yuan/time, has saved examination cost greatly, has improve examination efficiency simultaneously.
As shown in Figure 3, the composite bushing assembly for high-voltage cable joint teaching of transmitting electricity adopting the utility model to provide, the overall height of composite bushing assembly is tapered to 1500mm from the 2600mm of prior art, make personnel in the process of training or impart knowledge to students, can examine by complete independently, realize the economy of teaching, fairness, security and high efficiency.The weight of composite bushing assembly is reduced to about 65KG by changing material from the 600KG that is about of prior art, makes personnel in the process of training or impart knowledge to students, and without the need to adopting crane to lift, achieves economy and the security of teaching or training.The length of composite bushing assembly inner cable shortens to about 3.3m from the 4.5m that is about of prior art, makes personnel in the process of training or impart knowledge to students, has saved cable, achieve the economy of teaching or training.Change outlet rod 32 into split-type structural from integral structure, the material of 2/3rds of outlet rod 32 can be carried out reusing, achieve the economy in the process of training or teaching.The weight of base plate 5 is reduced to about 23.5KG by changing material (changing the copper base plate of prior art into aluminium alloy matter base plate) from the 73KG that is about of prior art, achieve in the process of training or teaching, alleviate base plate 5 weight, can realize easy for installation, improve economy and security.
As shown in Figure 4, the composite bushing assembly for high-voltage cable joint teaching of transmitting electricity adopting the utility model to provide, can reduce lifting cost with 600 yuan/person-time; Cable 31 of the prior art can be about 4.5m from length to shorten to and be of the present utility modelly about 3.3m, reduce the instruction cost of 1174.8 yuan/person-time; Because change outlet rod 32 is split-type structural, 2/3rds parts wherein can be reused, because this reducing the instruction cost of 830 yuan; Owing to changing material, the length of composite bushing 2,695 yuan/person-time can be reduced; Owing to changing the material of base plate 5, the instruction cost of 150 yuan/person-time can be reduced.Also namely, the utility model approximately can save 3500 yuan/person-time in each teaching process.
A kind of composite bushing assembly for high-voltage cable joint teaching of transmitting electricity disclosed in the utility model, tool has the following advantages: 1, the material type selecting of composite bushing assembly there occurs change: adopt pottery to make sleeve pipe in prior art; In the present invention, the sleeve pipe that composite bushing is made up of fiberglass and silicon rubber umbrella skirt form; 2, the structural design of composite bushing assembly improves: the present invention reduces charging operation parts of the prior art, reduce the height of examination composite bushing assembly, decrease examination cable length, and the outlet rod in cable termination assembly changes split-type structural into by integral structure; 3, the mode of operation of composite bushing assembly improves: the present invention improves due to structure, make in actual examination, only need to change crimping bar to examine for different personnel, make mounting rod with crimp bar can active link, thus greatly reduce examination cost.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.

Claims (7)

1., for a composite bushing assembly for high-voltage cable joint teaching of transmitting electricity, it is characterized in that, this composite bushing assembly comprises:
Top cover;
Composite bushing, described composite bushing top is connected with described top cover;
Cable assembly, is arranged in described composite bushing;
Stress cone, is arranged in described composite bushing, is nested with in described cable assembly;
Base plate, is arranged on bottom described composite bushing, and is connected with this composite bushing;
Tail pipe assembly, is arranged on described base plate, and is communicated with described cable assembly.
2., as claimed in claim 1 for the composite bushing assembly of high-voltage cable joint teaching of transmitting electricity, it is characterized in that, described cable assembly comprises:
Cable, the middle part cover of described cable has described stress cone;
Outlet rod, one end of described outlet rod is arranged on described top cover outside, and the other end of this outlet rod is connected with the front end of described cable;
First heat-shrink tube, is nested with on the front end of described cable.
3., as claimed in claim 2 for the composite bushing assembly of high-voltage cable joint teaching of transmitting electricity, it is characterized in that, described outlet rod comprises:
Mounting rod, the top of described mounting rod is arranged on described top cover outside, and the bottom of this mounting rod is arranged in described composite bushing;
Crimping bar, is arranged in described composite bushing; The bottom of described crimping bar is connected with the front end of described cable, and the top of this crimping bar is connected with the bottom of the described mounting rod be arranged in described composite bushing.
4., as claimed in claim 3 for the composite bushing assembly of high-voltage cable joint teaching of transmitting electricity, it is characterized in that,
Be provided with installing component bottom described mounting rod, be flexibly connected with described crimping bar;
Described crimping masthead portion is provided with installation draw-in groove, and described installing component is arranged in described installation draw-in groove;
Described mounting rod is adopted and is formed from aluminium, and described crimping bar is made of copper.
5., as claimed in claim 1 for the composite bushing assembly of high-voltage cable joint teaching of transmitting electricity, it is characterized in that, described composite bushing comprises:
Sleeve pipe, adopts fiberglass to make; Described cable assembly, described stress cone are arranged in described sleeve pipe;
Silicon rubber umbrella skirt, is set on described sleeve outer wall.
6., as claimed in claim 2 for the composite bushing assembly of high-voltage cable joint teaching of transmitting electricity, it is characterized in that, described tail pipe assembly comprises:
Tail pipe, the top of described tail pipe is arranged in described base plate, and the tail end of this tail pipe is arranged on this base plate external; The part of described cable bottom described composite bushing is arranged in described tail pipe, and described tail pipe and described cable carry out lead sealing and be connected and fixed;
Second heat-shrink tube, is nested with on described tail pipe and described cable.
7., as claimed in claim 6 for the composite bushing assembly of high-voltage cable joint teaching of transmitting electricity, it is characterized in that,
Described cable jacket all divests;
The insulation screen of this partial cables, from the one end be connected with described outlet rod to described stress cone root, divest by described cable.
CN201520685475.9U 2015-09-07 2015-09-07 A composite bushing subassembly for transmitting electricity high tension cable connects teaching Active CN205038897U (en)

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Application Number Priority Date Filing Date Title
CN201520685475.9U CN205038897U (en) 2015-09-07 2015-09-07 A composite bushing subassembly for transmitting electricity high tension cable connects teaching

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047065A (en) * 2015-09-07 2015-11-11 国网上海市电力公司 Composite casing pipe assembly for power transmission high-voltage cable joint teaching

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047065A (en) * 2015-09-07 2015-11-11 国网上海市电力公司 Composite casing pipe assembly for power transmission high-voltage cable joint teaching

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