CN104993262A - Special integrated wire clamp for bundled wire - Google Patents
Special integrated wire clamp for bundled wire Download PDFInfo
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- CN104993262A CN104993262A CN201510419474.4A CN201510419474A CN104993262A CN 104993262 A CN104993262 A CN 104993262A CN 201510419474 A CN201510419474 A CN 201510419474A CN 104993262 A CN104993262 A CN 104993262A
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- wire clamp
- line
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- integrated wire
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Abstract
The invention discloses a special integrated wire clamp for bundled wires, which is especially suitable for rural low-voltage lines. Compared with the exiting piercing wire clamp, the special integrated wire clamp has large contact area, avoids damage to conductors, and can be reused; compared with the traditional special-shaped wire clamp, connecting fittings and conductors of the special integrated wire clamp are not exposed, and the outer shell can achieve complete insulation; meanwhile, the special integrated wire clamp solves the problem that several families share a wire clamp at a same position in parallel wiring, and can facilitate maintenance; in the aspect of cost, the special integrated wire clamp can effectively reduce the investment cost of power grid equipment; in the aspect of technology, the special integrated wire clamp can make lead wires centralized, standard and beautiful in wiring; in the aspect of power supply reliability, the special integrated wire clamp can be operated in an electrified state when adding user lead wires; and in the aspect of safety, the special integrated wire clamp achieves complete insulation. After the trial, the special integrated wire clamp is determined to be in good contact, and is aesthetically pleasing.
Description
Technical field
The present invention relates to electrical equipment technical field, particularly the special integrated wire clamp of a kind of boundling line.
Background technology
Along with the extensive use of collection diminishing line in electric power system, the potential safety hazard existed when its special-shaped wire used is clipped in wiring exposes out gradually.
House major part at present inside each village is all that the self-built housing of the console mode of villager has corridor, and the railing in corridor all has hollow out.Existing collection diminishing line passage be all on the wall in house in the past, the hand of people often can be encountered, and wiring now all be special-shaped wire clamp.
Although have plastic casing outside special-shaped wire clamp, this shell is easy to aging coming off in outside space time one length.If wire clamp shell is once come off, so wire clamp is just on-insulated, present child's curiosity is always strong especially, and inside present rural area, a lot of child is in the elderly's treatment, if child goes to touch it in ignorant situation, and personal accident of getting an electric shock so will occur.
In addition, existing special-shaped wire clamp can only connect one group of circuit usually, and appear in some occasion when reality uses need multiple special-shaped wire clamp pole, their random being stacked simultaneously, unordered in a jumble, there is potential safety hazard; Meanwhile, adopt the height that the cost of a large amount of special-shaped wire clamp is just suitable, so still waste material and cost also inadaptable now social energy-saving and emission-reduction requirement.
Summary of the invention
Be directed to the consideration of these safety factors, the invention provides a kind of collection diminishing line on the special integrated wire clamp of boundling line, to eliminate safe hidden trouble, its connect gold utensil and conductor outside not exposed, shell can ensure to accomplish to insulate completely.
For achieving the above object, the invention provides following technical scheme:
The special integrated wire clamp of a kind of boundling line, comprising:
Upper shell and lower house, both are and adopt insulating material to make, and removably connect; And both relative faces offer main line connecting groove, offer zero line in described upper shell and divide access slot and phase line to divide access slot;
Be communicated in described main line connecting groove and described zero line and divide the first conduction bindiny mechanism between access slot;
Be communicated in described main line connecting groove and described phase line and divide the second conduction bindiny mechanism between access slot.
Preferably, the position that described upper shell is relative with described lower house all offers holding screw hole, and both adopt fastened by screw.
Preferably, described first conduction bindiny mechanism is copper bar, and described copper bar is communicated in multiple described zero line simultaneously divides access slot.
Preferably, described second conduction bindiny mechanism comprises the main line connector, binding post and point wire connections that connect successively, and described binding post is communicated in multiple described phase line simultaneously and divides access slot.
Preferably, described main line connector comprises main line fastening bolt, with the main line tension disc being arranged on its rod end, the position that described upper shell is relative with described main line connecting groove offers main line holding screw hole, and described main line fastening bolt can be assemblied in described main line holding screw hole and radially compress boundling line.
Preferably, the outer surface of described main line tension disc is the arcuate structure caved inward.
Preferably, in described main line connecting groove, be also provided with second fixed contact therefor, and the upper surface of second fixed contact therefor described is the arcuate structure caved inward.
Preferably, described point of wire connections comprises separated time fastening bolt, with the separated time tension disc being arranged on its rod end, the position that described upper shell and described phase line divide access slot relative offers separated time holding screw hole, and described separated time fastening bolt can be assemblied in described separated time holding screw hole and radially compress phase line.
Preferably, described zero line divides access slot and described phase line to divide access slot to be opened in the relative both sides of described upper shell respectively.
Preferably, the lower surface of described upper shell is also provided with sealing strip, and described sealing strip is arranged between adjacent two described main line connecting grooves.
As can be seen from above-mentioned technical scheme, the special integrated wire clamp of boundling line provided by the invention, solve connect gold utensil and conductor outside not exposed, shell can ensure to accomplish to insulate completely; Solving lighting consumer and low-force user can concentrate wiring to reach attractive in appearance when collecting and diminishing line connecing downlead, and can the safety operation of hot line job guarantee operating personnel when Adding User and going between; This integrated wire clamp has good insulation preformance, and the mode of connection is unified, attractive in appearance, can connect multipair house lead in simultaneously, three-phase load can be made to be evenly distributed, and simple to operate, safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The upper shell that Fig. 1 provides for the embodiment of the present invention look up structural representation;
The plan structure schematic diagram of the lower house that Fig. 2 provides for the embodiment of the present invention;
The main TV structure schematic diagram of assembling of the special integrated wire clamp of boundling line that Fig. 3 provides for the embodiment of the present invention;
The assembling side-looking structural representation of the special integrated wire clamp of boundling line that Fig. 4 provides for the embodiment of the present invention;
The assembled shaft geodesic structure schematic diagram of the special integrated wire clamp of boundling line that Fig. 5 provides for the embodiment of the present invention
The structural representation of the upper shell that Fig. 6 provides for the embodiment of the present invention and conduction bindiny mechanism thereof;
The structural representation of the lower house that Fig. 7 provides for the embodiment of the present invention and conduction bindiny mechanism thereof;
The main TV structure schematic diagram of second fixed contact therefor that Fig. 8 provides for the embodiment of the present invention;
The left TV structure schematic diagram of second fixed contact therefor that Fig. 9 provides for the embodiment of the present invention;
The plan structure schematic diagram of second fixed contact therefor that Figure 10 provides for the embodiment of the present invention;
The main TV structure schematic diagram of the main line connector that Figure 11 provides for the embodiment of the present invention;
The left TV structure schematic diagram of the main line connector that Figure 12 provides for the embodiment of the present invention;
The plan structure schematic diagram of the main line connector that Figure 13 provides for the embodiment of the present invention;
The main TV structure schematic diagram of the binding post that Figure 14 provides for the embodiment of the present invention;
The left TV structure schematic diagram of the binding post that Figure 15 provides for the embodiment of the present invention;
The plan structure schematic diagram of the binding post that Figure 16 provides for the embodiment of the present invention;
The main TV structure schematic diagram of point wire connections that Figure 17 provides for the embodiment of the present invention;
The left TV structure schematic diagram of point wire connections that Figure 18 provides for the embodiment of the present invention;
The plan structure schematic diagram of point wire connections that Figure 19 provides for the embodiment of the present invention;
Figure 20 is the structural representation of the upper shell in a kind of embodiment provided by the invention;
Figure 21 is the structural representation of the lower house in a kind of embodiment provided by the invention;
Figure 22 is the structural representation of the upper shell in another kind of embodiment provided by the invention;
Figure 23 is the structural representation of the lower house in another kind of embodiment provided by the invention.
Wherein, 1 is upper shell, and 11 divide access slot for zero line, and 12 divide access slot for phase line, 13 serve as theme fastening bolt, and 14 serve as theme tension disc, and 15 serve as theme holding screw hole, and 16 is separated time fastening bolt, 17 is separated time tension disc, and 18 is sealing strip, and 19 is the holding screw hole of upper shell;
2 is lower house, and 21 serve as theme connecting groove, and 22 is second fixed contact therefor;
3 is copper bar; 4 is screw.
Embodiment
The invention discloses the special integrated wire clamp of a kind of boundling line collected on diminishing line, to eliminate safe hidden trouble, its connect gold utensil and conductor outside not exposed, shell can ensure to accomplish to insulate completely.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Penetrating cable clamp:
1, cost: need quantity just many when multi-user goes between, equipment cost is higher, and the wasting of resources is larger;
2, technique: can not concentrate together when quantity is many, U.S. rule are poor;
3, contact-making surface: penetrating cable clamp contact area is few, damage wires self.
Tradition wire clamp:
1, cost: the quantity needed when multi-user goes between is just many, and equipment cost is higher, and the wasting of resources is larger;
2, power supply reliability: cannot hot line job when user goes between when traditional wire clamp increases newly;
3, technique: can not concentrate together when quantity is many, U.S. rule are poor;
4, fail safe: traditional wire clamp shell easily falls to make that conductor is exposed easily gets an electric shock outside.
In view of the above-mentioned shortcoming of existing structure, this programme design has following reason and necessity:
Reason 1: improve that special-shaped wire clamp plastic casing is easily aging to come off, the exposed accident person occurring outside and gets an electric shock of conductor;
Reason 2: improve penetrating cable clamp contact area few, cost is higher, can not reuse, cause the wasting of resources larger;
Reason 3: can make to concentrate specification to reach attractive in appearance during terminating wire;
Reason 4: effectively reduce grid equipment cost of investment.
Necessity: according to actual conditions, increases income and decreases expenditure for responding country and saves the activities such as non-renewable resources, and codes and standards equalization, improves fresh water (FW) equality.Under the primary prerequisite ensureing safety in production, and then propose to guarantee safety to the improvement of the outmoded Processes and apparatus of tradition.
According to factor analyses such as the dangerous and costs that collection diminishing line traditional wired exists, for solving each factor difficult problem, change the wiring Processes and apparatus that on collection diminishing line, tradition is outmoded, optimize the mode of connection, ensure the safety operation of staff and effectively reduce costs, proposing the special integrated wire clamp of boundling line in this programme.
Refer to Fig. 1-Figure 23, wherein, the upper shell that Fig. 1 provides for the embodiment of the present invention look up structural representation; The plan structure schematic diagram of the lower house that Fig. 2 provides for the embodiment of the present invention; The main TV structure schematic diagram of assembling of the special integrated wire clamp of boundling line that Fig. 3 provides for the embodiment of the present invention; The assembling side-looking structural representation of the special integrated wire clamp of boundling line that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the upper shell that assembled shaft geodesic structure schematic diagram Fig. 6 of the special integrated wire clamp of boundling line that Fig. 5 provides for the embodiment of the present invention provides for the embodiment of the present invention and conduction bindiny mechanism thereof; The structural representation of the lower house that Fig. 7 provides for the embodiment of the present invention and conduction bindiny mechanism thereof;
The master that Fig. 8, Fig. 9 and Figure 10 are followed successively by second fixed contact therefor that the embodiment of the present invention provides looks and plan structure schematic diagram depending on a, left side;
The master that Figure 11, Figure 12 and Figure 13 are followed successively by the main line connector that the embodiment of the present invention provides looks and plan structure schematic diagram depending on a, left side;
The master that Figure 14, Figure 15 and Figure 16 are followed successively by the binding post that the embodiment of the present invention provides looks and plan structure schematic diagram depending on a, left side;
The master that Figure 17, Figure 18 and Figure 19 are followed successively by point wire connections that the embodiment of the present invention provides looks and plan structure schematic diagram depending on a, left side;
Figure 20 and Figure 21 is respectively the structural representation of upper shell in a kind of embodiment provided by the invention and lower house;
Figure 22 and Figure 23 is respectively the configuration diagram of upper shell in another kind of embodiment provided by the invention and lower house.
The special integrated wire clamp of the boundling line that the embodiment of the present invention provides, its core improvement is, comprising:
Upper shell 1 and lower house 2, both are and adopt insulating material to make, and removably connect; And both relative faces offer main line connecting groove 21, offer zero line in upper shell 1 and divide access slot 11 and phase line to divide access slot 12;
Be communicated in main line connecting groove 21 and zero line and divide the first conduction bindiny mechanism between access slot 11;
Be communicated in main line connecting groove 21 and phase line and divide the second conduction bindiny mechanism between access slot 12.
The operation instruction of the special integrated wire clamp of boundling line:
1, the retention mechanism between wire clamp upper-lower casing is unclamped;
2, close after putting into Bundling conducting wire respective wire groove (i.e. main line connecting groove 21) wire clamp locking;
3, institute's palpus tap wire is accessed wire clamp tap pile crown (zero line divides access slot 11 and/or phase line to divide access slot 12) respectively and then tighten pile crown screw.
As can be seen from above-mentioned technical scheme, the special integrated wire clamp of the boundling line that the embodiment of the present invention provides, solve connect gold utensil and conductor outside not exposed, shell can ensure to accomplish to insulate completely; Solving lighting consumer and low-force user can concentrate wiring to reach attractive in appearance when collecting and diminishing line connecing downlead, and can the safety operation of hot line job guarantee operating personnel when Adding User and going between; This integrated wire clamp has good insulation preformance, and the mode of connection is unified, attractive in appearance, can connect multipair house lead in simultaneously, three-phase load can be made to be evenly distributed, and simple to operate, safe and reliable.
This programme is compared with existing penetrating cable clamp, and contact area is large, avoids damage wires self, can reuse; Compared with traditional special-shaped wire clamp, connect gold utensil and conductor outside not exposed, shell can ensure to accomplish to insulate completely.
Removably connected by retention mechanism between upper-lower casing.In the specific embodiment that this programme provides, the position that upper shell 1 is relative with lower house 2 all offers holding screw hole, and both adopt fastened by screw.Its structure can with reference to shown in Fig. 1-7, and wherein 19 is the holding screw hole of upper shell, and 23 is the holding screw hole of lower house, and 4 is the screw in this retention mechanism.Fastened by screw mechanism is realizing, on the basis removably connected, can also playing guide effect when assembling.Certainly, the retention mechanism between upper-lower casing can also adopt buckle structure or moulding surface structure etc., does not repeat them here.
As preferably, the first conduction bindiny mechanism is copper bar 3, and copper bar 3 is communicated in multiple zero line simultaneously divides access slot 11, and its structure can with reference to shown in Fig. 6 and Fig. 7.Zero line enters as connecting with copper bar 3, forms multiple zero line terminals overleaf.Main effect is applicable multiple outlet, can carry out three-phase outlet, form load balancing between single-phase outlet.
In order to optimize technique scheme further, the second conduction bindiny mechanism comprises the main line connector, binding post and point wire connections that connect successively, and binding post is communicated in multiple phase line simultaneously and divides access slot 12.
In the specific embodiment that this programme provides, main line connector comprises main line fastening bolt 13, with the main line tension disc 14 being arranged on its rod end, the position that upper shell 1 is relative with main line connecting groove 21 offers main line holding screw hole 15, main line fastening bolt 13 can be assemblied in main line holding screw hole 15 and radially compress boundling line, and its structure can with reference to shown in Fig. 1 and Fig. 3.
As preferably, the outer surface of main line tension disc 14 is the arcuate structure caved inward, and its structure can with reference to shown in Figure 11, Figure 12 and Figure 13.This arcuate structure can increase the contact area with boundling line, ensures good electrical connection, realizes better being fixed simultaneously.
In order to optimize technique scheme further, be also provided with second fixed contact therefor 22 in main line connecting groove 21, and the upper surface of second fixed contact therefor is the arcuate structure caved inward, its structure can with reference to shown in Fig. 8, Fig. 9 and Figure 10.The lower surface of second fixed contact therefor 22 also has positioning convex, and the lower surface of main line connecting groove 21 offers the detent be mated, and realizes location by both cooperations.
As shown in Figure 17, Figure 18 and Figure 19, wire connections is divided to comprise separated time fastening bolt 16, with the separated time tension disc 17 being arranged on its rod end, upper shell 1 and phase line divide the relative position of access slot 12 to offer separated time holding screw hole, and separated time fastening bolt 16 can be assemblied in separated time holding screw hole and radially compress phase line.
In the specific embodiment that this programme provides, the quantity of main line connecting groove 21 is four, and be arranged in parallel, and each main line connecting groove 21 place is provided with the second above-mentioned conduction bindiny mechanism.
The structure of binding post can with reference to shown in Figure 14, Figure 15 and Figure 16, the first end of binding post is the sleeve coordinated for same main line fastening bolt 13, second end of binding post is divided into multiple part, can be communicated in multiple phase line simultaneously and divide access slot 12, it radially offers line ball hole.
The structure of this programme embodiment electrical connection can also with reference to shown in Figure 20-23.
As preferably, zero line divides access slot 11 and phase line to divide access slot 12 to be opened in the relative both sides of upper shell 1 respectively, the both sides, front and back namely in figure, is convenient to distinguish management when assembling.
In order to optimize technique scheme further, the lower surface of upper shell 1 is also provided with sealing strip 18, and sealing strip 18 is arranged between adjacent two main line connecting grooves 21, and sealing strip 18 is preferably quality of rubber materials.
The operation instruction of the special integrated wire clamp of boundling line:
1, wire clamp both sides holding screw is unclamped;
2, close after putting into Bundling conducting wire respective wire groove wire clamp tighten holding screw;
3, institute's palpus tap wire is accessed wire clamp tap pile crown respectively and then tighten pile crown screw.
As shown in Figure 5, from left to right lower opening is respectively A, B, C, zero line access, and upper hole is from left to right respectively A, B, C outlet;
Zero line enters as connecting with copper bar, forms multiple zero line terminals overleaf.
Main effect is applicable multiple outlet, can carry out three-phase outlet, form load balancing between single-phase outlet.
In sum, the special integrated wire clamp of the boundling line that the embodiment of the present invention provides, is specially adapted to rural area low-voltage circuit; This programme is compared with existing penetrating cable clamp, and contact area is large, avoids damage wires self, can reuse; Compared with traditional special-shaped wire clamp, connect gold utensil and conductor outside not exposed, shell can ensure to accomplish to insulate completely; Meanwhile, share a wire clamp in same position when solving a few family subscriber multiple wiring, and can conveniently overhaul.
1, cost: can effectively reduce grid equipment cost of investment;
2, technique: can make to concentrate specification to reach attractive in appearance during terminating wire;
3, power supply reliability: can hot line job when user goes between time newly-increased;
4, fail safe: accomplish to insulate completely.
Determine that the contact of this equipment is good through on probation, and attractive in appearance.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the special integrated wire clamp of boundling line, is characterized in that, comprising:
Upper shell (1) and lower house (2), both are and adopt insulating material to make, and removably connect; And both relative faces offer main line connecting groove (21), offer zero line in described upper shell (1) and divide access slot (11) and phase line to divide access slot (12);
Be communicated in described main line connecting groove (21) and described zero line and divide the first conduction bindiny mechanism between access slot (11);
Be communicated in described main line connecting groove (21) and described phase line and divide the second conduction bindiny mechanism between access slot (12).
2. the special integrated wire clamp of boundling line according to claim 1, is characterized in that, the position that described upper shell (1) is relative with described lower house (2) all offers holding screw hole, and both adopt fastened by screw.
3. the special integrated wire clamp of boundling line according to claim 1, is characterized in that, described first conduction bindiny mechanism is copper bar (3), and described copper bar (3) is communicated in multiple described zero line simultaneously divides access slot (11).
4. the special integrated wire clamp of the boundling line according to claim 1-3 any one, it is characterized in that, described second conduction bindiny mechanism comprises the main line connector, binding post and point wire connections that connect successively, and described binding post is communicated in multiple described phase line simultaneously and divides access slot (12).
5. the special integrated wire clamp of boundling line according to claim 4, it is characterized in that, described main line connector comprises main line fastening bolt (13), with the main line tension disc (14) being arranged on its rod end, the position that described upper shell (1) is relative with described main line connecting groove (21) offers main line holding screw hole (15), and described main line fastening bolt (13) can be assemblied in described main line holding screw hole (15) and radially compress boundling line.
6. the special integrated wire clamp of boundling line according to claim 5, is characterized in that, the outer surface of described main line tension disc (14) is the arcuate structure caved inward.
7. the special integrated wire clamp of boundling line according to claim 6, it is characterized in that, also be provided with second fixed contact therefor (22) in described main line connecting groove (21), and the upper surface of second fixed contact therefor described is the arcuate structure caved inward.
8. the special integrated wire clamp of boundling line according to claim 4, it is characterized in that, described point of wire connections comprises separated time fastening bolt (16), with the separated time tension disc (17) being arranged on its rod end, described upper shell (1) and described phase line divide the relative position of access slot (12) to offer separated time holding screw hole, and described separated time fastening bolt (16) can be assemblied in described separated time holding screw hole and radially compress phase line.
9. the special integrated wire clamp of boundling line according to claim 1, is characterized in that, described zero line divides access slot (11) and described phase line to divide access slot (12) to be opened in the relative both sides of described upper shell (1) respectively.
10. the special integrated wire clamp of boundling line according to claim 1, it is characterized in that, the lower surface of described upper shell (1) is also provided with sealing strip (18), and described sealing strip (18) is arranged between adjacent two described main line connecting grooves (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419474.4A CN104993262B (en) | 2015-07-16 | 2015-07-16 | One kind collection special integrated wire clamp of bunch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419474.4A CN104993262B (en) | 2015-07-16 | 2015-07-16 | One kind collection special integrated wire clamp of bunch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104993262A true CN104993262A (en) | 2015-10-21 |
| CN104993262B CN104993262B (en) | 2017-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510419474.4A Active CN104993262B (en) | 2015-07-16 | 2015-07-16 | One kind collection special integrated wire clamp of bunch |
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| Country | Link |
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| CN (1) | CN104993262B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340417A (en) * | 2017-05-26 | 2017-11-10 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of branching structure and branch means applied to power industry |
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| CN201490683U (en) * | 2009-05-19 | 2010-05-26 | 江苏省电力公司苏州供电公司 | Extensible branch box of distribution line aerial bunched cable |
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| CN204088749U (en) * | 2014-08-11 | 2015-01-07 | 深圳市众恒世讯科技有限公司 | Bunched cable gang socket, plug and bunched cable test fixture |
| CN204927561U (en) * | 2015-07-16 | 2015-12-30 | 国家电网公司 | Special integrated fastener of line tied in a bundle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405539A1 (en) * | 1989-06-30 | 1991-01-02 | Cableries De Lens | Watertight branch-off housing for a low-voltage power cable |
| CN201490683U (en) * | 2009-05-19 | 2010-05-26 | 江苏省电力公司苏州供电公司 | Extensible branch box of distribution line aerial bunched cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340417A (en) * | 2017-05-26 | 2017-11-10 | 国网辽宁省电力有限公司铁岭供电公司 | A kind of branching structure and branch means applied to power industry |
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| CN104993262B (en) | 2017-09-08 |
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