CN203983929U - Assemble type underground cable ditch based on city integrated wiring - Google Patents
Assemble type underground cable ditch based on city integrated wiring Download PDFInfo
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- CN203983929U CN203983929U CN201420409503.XU CN201420409503U CN203983929U CN 203983929 U CN203983929 U CN 203983929U CN 201420409503 U CN201420409503 U CN 201420409503U CN 203983929 U CN203983929 U CN 203983929U
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- cable
- ditch
- side plate
- trough
- plate
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Abstract
The utility model discloses a kind of assemble type underground cable ditch based on city integrated wiring, it is characterized in that, under base area, cable trough starts, straight way, turn, wide road narrows, the feature of ending is the cable inlet ditch (101) through being assemblied to form, straight way cable trough (102), bend cable trough (103), cable outlet ditch (104), the straight way molded breadth road cable trough (105) that narrows, narrow cable trough (106) and cable security of bend molded breadth road safeguards that observation panel (107) is arranged on corresponding position, be combined to form the underground cable ditch handling cable system of sealing.Usefulness of the present utility model is: the whole handling cable process of cable is all completed by underground cable ditch, this underground cable ditch is totally-enclosed system, externally there is good resistance to compression, shock resistance, water resistance, can in-50 DEG C～+ 100 DEG C environment, use for a long time and there will not be damage, internally there is good protection against the tide, acid and alkali-resistance, decay resistance; Cable can be realized shielding isolation and carry.
Description
Technical field
The utility model relates to a kind of cable trough, is specifically related to a kind of assemble type underground cable ditch based on city integrated wiring, belongs to urban construction technical field.
Background technology
Embody in the world one of mark of modern city, all exactly cables enter ground, the development trend in the present urbanization of Zhe Yeshi China and Urbanization Construction.Informatization is as national strategical planning, and the facility of transmission information has become national infrastructure, and cable enters completing that ground not only can guarantee information transmission, and has safety, advantage easily.
According to relevant national standard regulation, require city cable line to carry by underground cable ditch, can avoid so the built on stilts potential safety hazard existing of carrying of electric pole.At present, the main method that power circuit is carried by underground cable ditch is: the raceway groove that digs certain depth and width from ground downwards, build a wall along raceway groove both sides with fragment of brick and cement again, Deng wall solidify after installing cables crane span structure on the wall again, and then cable is fixed on crane span structure, finally, cement plate in cable trough upper cover.
The power cable of underdrain belongs to national basis facility, its insulation, protection against the tide, waterproof, life-span, line upkeep etc. all have very high safety requirements, by the Field Research of the underground cable ditch that come into operation in many places, the situation that generally has cement wall humidity or wall cement to come off, some trench bottom also has the ponding situation that even crane span structure damage cable drops in ponding, cable trough is also the habitat of mouse, snake etc. in addition, and this engineering has not obviously reached nation's security standard.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of assemble type underground cable ditch based on city integrated wiring, this cable trough is not only convenient to installation and maintenance, and can realize totally-enclosed, the most important thing is, the safe mass of this cable trough requires to have met and exceeded national standard completely.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
An assemble type underground cable ditch based on city integrated wiring, is characterized in that,
Be assemblied to form cable inlet ditch, straight way cable trough, bend cable trough, cable outlet ditch, straight way molded breadth road the narrow cable trough, cable security of cable trough, bend molded breadth road that narrow by cover plate, base plate, side plate, transverse slat, angle variable plate, break-in frame, cross bar and support and safeguard observation panel
Aforementioned cable inlet ditch is arranged on underground cable ditch foremost, and entering of all cables enters by cable inlet ditch,
Aforementioned underground cable ditch has more than two end, and each end is all connected with a cable outlet ditch, and all cables elevate above the soil by cable outlet ditch,
Under base area, cable trough starts, straight way, turning, wide road narrow, the feature of ending safeguards that the aforementioned cable inlet ditch being assemblied to form, straight way cable trough, bend cable trough, cable outlet ditch, straight way molded breadth road narrow cable trough and the cable security of cable trough, bend molded breadth road that narrow observation panel is arranged on corresponding position, is combined to form the underground cable ditch handling cable system of sealing.
The aforesaid assemble type underground cable ditch based on city integrated wiring, is characterized in that, aforementioned cover plate, base plate, side plate, transverse slat, angle variable plate, break-in frame, cross bar and support adopt epoxy resin or glass fibre to make.
The aforesaid assemble type underground cable ditch based on city integrated wiring, is characterized in that, aforementioned bend cable trough is L font, T font or cross.
The aforesaid assemble type underground cable ditch based on city integrated wiring, it is characterized in that, aforementioned cover plate is rectangular flat, the edge, left and right of cover plate extends vertically downward some centimetres and end and is single track shape or concave shape, the front of cover plate is along being square or tenon spill, and the back edge of cover plate is square or tenon convex.
The aforesaid assemble type underground cable ditch based on city integrated wiring, it is characterized in that, aforementioned side plate is rectangular flat, on the plate face of side plate, be formed with for support bracket fastened hole, the lower edge of side plate is square, or lower edge vertical side plate place plane and extend internally some centimetres, or lower edge is concave shape and to some centimetres of downward-extensions, or lower edge is convex shape and to some centimetres of downward-extensions, the upper edge of side plate is square or is trapezoidal, the front of side plate is along being tenon spill, or dovetail groove convex, or cylinder hole shape, the back edge of side plate is tenon convex, or dovetail groove spill, or cylindrical.
The aforesaid assemble type underground cable ditch based on city integrated wiring, is characterized in that, on the plate face of aforementioned side plate, is formed with reinforcement.
The aforesaid assemble type underground cable ditch based on city integrated wiring, is characterized in that, the center of aforementioned side plate has rectangular through-hole.
The aforesaid assemble type underground cable ditch based on city integrated wiring, it is characterized in that, aforementioned brackets is a cross bar or is formed or be made up of three cross bars at grade by mutually perpendicular two cross bars, in aforementioned three cross bars of composition support, first forms obtuse angle with second cross bar, and the 3rd cross bar is positioned at the two centre and vertical with first or second cross bar.
Usefulness of the present utility model is:
1, cable enters ground, cabling, goes out whole handling cable process and all completed by underground cable ditch, this underground cable ditch is totally-enclosed system, externally there is good resistance to compression, shock resistance, water resistance, can in-50 DEG C～+ 100 DEG C environment, use for a long time and there will not be damage, internally there is good protection against the tide, acid and alkali-resistance, decay resistance;
2, power cable and control cables line can be realized shielding isolation conveying in this underground cable ditch;
3, assembled part have lightweight, be convenient to transport, be convenient to install feature, greatly alleviate construction labour intensity, manpower and cement brick are saved, through to every square metre of cost accounting lower than existing cost, after coming into operation, long-time maintenance cost is also extremely low, the most important thing is that its safe mass requires to have met and exceeded completely national standard.
Brief description of the drawings
Fig. 1 is the composition schematic diagram of a specific embodiment of assemble type underground cable ditch of the present utility model;
Fig. 2 is the assembled schematic diagram of cable inlet ditch;
Fig. 3 is the assembled schematic diagram of straight way cable trough;
Fig. 4 is the assembled schematic diagram of bend cable trough;
Fig. 5 is the assembled schematic diagram of cable outlet ditch;
Fig. 6 is the narrow structural representation of cable trough of straight way molded breadth road;
Fig. 7 is the narrow structural representation of cable trough of bend molded breadth road;
Fig. 8 is the structural representation that cable security is safeguarded observation panel;
Fig. 9 is the structural representation of a specific embodiment of cover plate;
Figure 10 is the structural representation of another specific embodiment of cover plate;
Figure 11 is the structural representation of a specific embodiment of base plate;
Figure 12 is the structural representation of another specific embodiment of base plate;
Figure 13 is the structural representation of first specific embodiment of side plate;
Figure 14 is the structural representation of second specific embodiment of side plate;
Figure 15 is the structural representation of the 3rd specific embodiment of side plate;
Figure 16 is the structural representation of the 4th specific embodiment of side plate;
Figure 17 is the structural representation of the 5th specific embodiment of side plate;
Figure 18 is the structural representation of the 6th specific embodiment of side plate;
Figure 19 is the structural representation of the 7th specific embodiment of side plate;
Figure 20 is the structural representation of the 8th specific embodiment of side plate;
Figure 21 is the structural representation of a specific embodiment of break-in frame;
Figure 22 is the structural representation of a specific embodiment of transverse slat;
Figure 23 is the structural representation of break-in frame;
Figure 24 is the structural representation of first specific embodiment of support;
Figure 25 is the structural representation of second specific embodiment of support;
Figure 26 is the structural representation of the 3rd specific embodiment of support.
The implication of Reference numeral in figure: 1-cover plate, 2-base plate, 3-side plate, 4-transverse slat, 5-angle variable plate, 6-break-in frame, 7-cross bar, 8-support, 101-cable inlet ditch, 102-straight way cable trough, 103-bend cable trough, 104-cable outlet ditch, the 105-straight way molded breadth road cable trough that narrows, the 106-bend molded breadth road cable trough that narrows, 107-cable security is safeguarded observation panel, 301-hole, arrow represents the wiring direction of cable.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
Assemble type underground cable ditch of the present utility model is by cable inlet ditch 101, straight way cable trough 102, bend cable trough 103, cable outlet ditch 104, the straight way molded breadth road cable trough 105 that narrows, narrow cable trough 106 and cable security of bend molded breadth road safeguards that observation panel 107 forms, above-mentioned cable inlet ditch 101, straight way cable trough 102, bend cable trough 103, cable outlet ditch 104, the straight way molded breadth road cable trough 105 that narrows, narrow cable trough 106 and cable security of bend molded breadth road safeguards that observation panel 107 is again by cover plate 1, base plate 2, side plate 3, transverse slat 4, angle variable plate 5, break-in frame 6, one or several in cross bar 7 and support 8 is assemblied to form, and under workmen base area, cable trough starts, straight way, turn, wide road narrows, the feature of ending is above-mentioned cable inlet ditch 101, straight way cable trough 102, bend cable trough 103, cable outlet ditch 104, the straight way molded breadth road cable trough 105 that narrows, narrow cable trough 106 and cable security of bend molded breadth road safeguards that observation panel 107 is arranged on corresponding position, thereby be combined to form the underground cable ditch handling cable system of sealing, wherein, cable inlet ditch 101 is arranged on underground cable ditch foremost, entering of all cables enters by cable inlet ditch 101, cable inlet ditch 101 is beginning raceway grooves of whole raceway groove system, and its function is: all overground cables enter unique entrance of underdrain, underground cable ditch has more than two end, and each end is all connected with a cable outlet ditch 104, and in the time that cable is transported to destination, all cables elevate above the soil by cable outlet ditch 104.Between cable inlet ditch 101 and cable outlet ditch 104, straight way cable trough 102, bend cable trough 103, the straight way molded breadth road cable trough 105 that narrows, narrow cable trough 106 and cable security of bend molded breadth road safeguarded the installation quantity of observation panel 107, installation site and erection sequence, feature by cable trough under workmen base area is carried out layout, for example, in the time that needs carry out farthest remote conveying to cable, assemble straight way cable trough 102 in corresponding position: when cable needs branch to carry in course of conveying, at corresponding position assembling bend cable trough 103, bend cable trough 103 can be both cross, it can also be L font, T font, specifically select according to the needs of construction, when cable trough on straight way need leniently become narrow, while realizing main line to the conversion of branch road, cable trough 105 narrows in assembling straight way molded breadth road, corresponding position, when cable trough on bend need leniently become narrow, while realizing main line to the conversion of branch road, cable trough 106 narrows in the assembling wide road of curved road type, corresponding position, when workman's periodic maintenance, in order to facilitate workman to observe and maintenance cable safety, in underground cable ditch handling cable system, be also provided with cable security and safeguard observation panel 107.
As can be seen here, cable enters ground, cabling, go out whole handling cable process is all completed by underground cable ditch, this underground cable ditch is totally-enclosed system, it externally has good resistance to compression, shock resistance, water resistance, can in-50 DEG C～+ 100 DEG C environment, use for a long time and there will not be damage, internally there is good protection against the tide, acid and alkali-resistance, decay resistance.
In addition, power cable and control cables line can be realized shielding isolation conveying in this underground cable ditch.
Fig. 1 is the composition schematic diagram of a specific embodiment of assemble type underground cable ditch of the present utility model.
Introduce respectively each part of the underground cable ditch handling cable system of this sealing below.
Referring to Fig. 2, cable inlet ditch 101 is assembled by cover plate 1, base plate 2, side plate 3, transverse slat 4 and cross bar 7, concrete assembled process is: transverse slat 4 Horizontal verticals stand in the top of ditch, side plate 3 is erected at raceway groove both sides, base plate 2 is laid between two side plates 3, cross bar 7 is laterally built on the cross bar strong point of both sides side plate 3, and cover plate 1 covers the upper edge at two side plates 3.
Referring to Fig. 3, straight way cable trough 102 is assembled by cover plate 1, base plate 2, side plate 3 and cross bar 7, concrete assembled process is: side plate 3 is erected at raceway groove both sides, base plate 2 is laid between two side plates 3, cross bar 7 is laterally built on the cross bar strong point of both sides side plate 3, and cover plate 1 covers the upper edge at two side plates 3.
Referring to Fig. 4, bend cable trough 103 is assembled by cover plate 1, base plate 2, side plate 3 and break-in frame 6, concrete assembled process is: break-in frame 6 is erected at the raceway groove side of required bending, cover plate 1 cover side plate 3 or and the upper edge of break-in frame 6, base plate 2 is laid between side plate 3 and break-in frame 6.
Referring to Fig. 5, cable outlet ditch 104 is assembled by cover plate 1, base plate 2, side plate 3, transverse slat 4 and cross bar 7, concrete assembled process is: transverse slat 4 Horizontal verticals stand in the end of ditch, side plate 3 is erected at raceway groove both sides, base plate 2 is laid between two side plates 3, cross bar 7 is laterally built on the cross bar strong point of both sides side plate 3, and cover plate 1 covers the upper edge at two side plates 3.
Referring to Fig. 6, the straight way molded breadth road cable trough 105 that narrows is to be connected two straight way cable troughs 102 by angle variable plate 5 to form.
Referring to Fig. 7, the bend molded breadth road cable trough 106 that narrows is made up of bend cable trough 103 and break-in frame 6, angle variable plate 5, concrete, at the end of bend cable trough 103, break-in frame 6 and angle variable plate 5 is erected to the raceway groove side of required bending.
Referring to Fig. 8, cable security safeguards that observation panel 107 is circular holes of opening on the cover plate 1 of raceway groove, the well lid equal diameters of the diameter in this hole and standard.
The width of base area lower channel and steering feature, assembled needed conduit line at the construction field (site), after power cable or control cables line are fixed in cable trough, covers cover plate securing cover plate, then on the cover board covers soil, and engineering finishes.
Introduce respectively the structure of cover plate 1, base plate 2, side plate 3, transverse slat 4, angle variable plate 5, break-in frame 6, cross bar 7 and the support 8 of each part for splicing underground cable ditch handling cable system below.
Cover plate 1 is rectangular flat, be mainly used in covering at cable trough top, play the effect of isolated soil and moisture, waterproof and dampproof, the edge, left and right of cover plate 1 extends vertically downward some centimetres and end and is single track shape (referring to Fig. 9) or concave shape (referring to Figure 10), the back edge of cover plate 1 is square or tenon convex, and accordingly, the front of cover plate 1 is along being square or tenon spill.
Base plate 2 is also rectangular flat, is mainly used in protection against the tide, paves ground, and referring to Figure 11, four limits of base plate 2 are distributed with some bolts hole parallel and that coordinate with side plate 3.
As the preferred scheme of one, on the plate face of base plate 2, be formed with reinforcement, referring to Figure 12.
Side plate 3 is also rectangular flat, is formed with for support bracket fastened hole 301 (referring to Figure 13) on the plate face of side plate 3; The lower edge of side plate 3 be square (referring to Figure 13), or the vertical side plate 3 place planes in lower edge and extend internally some centimetres (referring to Figure 14), or lower edge is concave shape and to some centimetres of downward-extensions (referring to Figure 15), or lower edge is convex shape and to some centimetres of downward-extensions (referring to Figure 16); For the needs of waterproof, side plate 3 need design waterproof scheme with side plate 3, side plate 3 with the joining place of cover plate 1, this waterproof scheme is mainly reflected in the structural design of upper edge of side plate 3, concrete, the upper edge of side plate 3 is square (referring to Figure 15) or trapezoidal (referring to Figure 14); The front of side plate 3 is along being tenon spill (referring to Figure 17) or dovetail groove convex (referring to Figure 18) or cylinder hole shape (referring to Figure 19); Accordingly, the back edge of side plate 3 is tenon convex or dovetail groove spill or cylindrical.
As the preferred scheme of one, on the plate face of side plate 3, be formed with reinforcement, referring to Figure 20.
Referring to Figure 21, the center of side plate 3 has rectangular through-hole, retains the side plate 3 four a certain proportion of width in edge and length, thereby forms break-in frame, is mainly used in changing direction.
Referring to Figure 22, transverse slat 4 is also rectangular flat, plays the effect of bracing reinforcement, and the right and left vertically extends some centimetres, and the length of extension equates in plane, have a hole or multiple hole with channel width.
Referring to Figure 23, break-in frame 6 is made up of mutually perpendicular two block length square plates, and it is mainly used in bend.
Cross bar 7 is cylindrical or square, and length equates with channel width, and Main Function is to support side plate 3.
Support 8 is mainly the stability that ensures handling cable, cable is placed on to be above not easy to rock, wave, prevent that cable from dropping, support 8 can be both a cross bar (referring to Figure 24), directly be fixed on the support fixing hole of side plate 3, the structure (referring to Figure 25) that also can be formed by mutually perpendicular two cross bars, wherein a cross bar is for being fixed on the support fixing hole of side plate, another root cross bar is for attached cable line, the structure (referring to Figure 26) that can also be formed by three cross bars, in three cross bars of composition support 8, first forms obtuse angle with second cross bar, the 3rd cross bar is positioned at the two centre and vertical with first (or second) cross bar, first cross bar (being positioned at the cross bar of right-angle side) is for attached cable, the 3rd cross bar (being positioned at the cross bar of lower right-angle side) is fixed on the support fixing hole of side plate, second cross bar (being positioned at the cross bar of hypotenuse) is component support bar.
As the preferred scheme of one, cover plate 1, base plate 2, side plate 3, transverse slat 4, angle variable plate 5, break-in frame 6, cross bar 7 and support 8 adopt epoxy resin or glass fibre to make.Therefore, that assembled part has is lightweight, be convenient to transport, be convenient to the feature of installing, greatly alleviate construction labour intensity, manpower and cement brick are saved, through to every square metre of cost accounting lower than existing cost, after coming into operation, long-time maintenance cost is also extremely low, the most important thing is that its safe mass requires to have met and exceeded completely national standard.
It should be noted that, above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection range of the present utility model.
Claims (8)
1. the assemble type underground cable ditch based on city integrated wiring, is characterized in that,
Be assemblied to form cable inlet ditch (101), straight way cable trough (102), bend cable trough (103), cable outlet ditch (104), straight way molded breadth road the narrow cable trough (106), cable security of cable trough (105), bend molded breadth road that narrow by cover plate (1), base plate (2), side plate (3), transverse slat (4), angle variable plate (5), break-in frame (6), cross bar (7) and support (8) and safeguard observation panel (107)
Described cable inlet ditch (101) is arranged on underground cable ditch foremost, and entering of all cables enters by cable inlet ditch (101),
Described underground cable ditch has more than two end, and each end is all connected with a cable outlet ditch (104), and all cables elevate above the soil by cable outlet ditch (104),
Under base area, cable trough starts, straight way, turning, wide road narrow, the feature of ending described in the cable inlet ditch (101), straight way cable trough (102), bend cable trough (103), cable outlet ditch (104), the straight way molded breadth road that are assemblied to form narrow cable trough (106) and the cable security of cable trough (105), bend molded breadth road that narrow safeguard that observation panel (107) is arranged on corresponding position, be combined to form the underground cable ditch handling cable system of sealing.
2. the assemble type underground cable ditch based on city integrated wiring according to claim 1, it is characterized in that, described cover plate (1), base plate (2), side plate (3), transverse slat (4), angle variable plate (5), break-in frame (6), cross bar (7) and support (8) adopt epoxy resin or glass fibre to make.
3. the assemble type underground cable ditch based on city integrated wiring according to claim 1, is characterized in that, described bend cable trough (103) is L font, T font or cross.
4. the assemble type underground cable ditch based on city integrated wiring according to claim 1, it is characterized in that, described cover plate (1) is rectangular flat, the edge, left and right of cover plate (1) extends vertically downward some centimetres and end and is single track shape or concave shape, the front of cover plate (1) is along being square or tenon spill, and the back edge of cover plate (1) is square or tenon convex.
5. the assemble type underground cable ditch based on city integrated wiring according to claim 1, it is characterized in that, described side plate (3) is rectangular flat, on the plate face of side plate (3), be formed with for support bracket fastened hole (301), the lower edge of side plate (3) is square, or the vertical side plate in lower edge (3) place plane and extend internally some centimetres, or lower edge is concave shape and to some centimetres of downward-extensions, or lower edge is convex shape and to some centimetres of downward-extensions, the upper edge of side plate (3) is square or is trapezoidal, the front of side plate (3) is along being tenon spill, or dovetail groove convex, or cylinder hole shape, the back edge of side plate (3) is tenon convex, or dovetail groove spill, or cylindrical.
6. the assemble type underground cable ditch based on city integrated wiring according to claim 5, is characterized in that, on the plate face of described side plate (3), is formed with reinforcement.
7. the assemble type underground cable ditch based on city integrated wiring according to claim 5, is characterized in that, the center of described side plate (3) has rectangular through-hole.
8. the assemble type underground cable ditch based on city integrated wiring according to claim 1, it is characterized in that, described support (8) is a cross bar or is formed or be made up of three cross bars at grade by mutually perpendicular two cross bars, in described three cross bars of composition support (8), first forms obtuse angle with second cross bar, and the 3rd cross bar is positioned at the two centre and vertical with first or second cross bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409503.XU CN203983929U (en) | 2014-07-23 | 2014-07-23 | Assemble type underground cable ditch based on city integrated wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409503.XU CN203983929U (en) | 2014-07-23 | 2014-07-23 | Assemble type underground cable ditch based on city integrated wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983929U true CN203983929U (en) | 2014-12-03 |
Family
ID=51981345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409503.XU Withdrawn - After Issue CN203983929U (en) | 2014-07-23 | 2014-07-23 | Assemble type underground cable ditch based on city integrated wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983929U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092173A (en) * | 2014-07-23 | 2014-10-08 | 新疆拓源节能技术开发有限责任公司 | Assembly-type underground cable trench based on comprehensive wiring of city |
| CN106816848A (en) * | 2017-04-16 | 2017-06-09 | 张若玮 | The dark cable duct of assembled |
| CN106877266A (en) * | 2017-04-16 | 2017-06-20 | 张若玮 | The bright cable duct of assembled |
-
2014
- 2014-07-23 CN CN201420409503.XU patent/CN203983929U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092173A (en) * | 2014-07-23 | 2014-10-08 | 新疆拓源节能技术开发有限责任公司 | Assembly-type underground cable trench based on comprehensive wiring of city |
| CN104092173B (en) * | 2014-07-23 | 2016-08-24 | 伊犁师范学院 | Assemble type buried cable ditch based on city integrated wiring |
| CN106816848A (en) * | 2017-04-16 | 2017-06-09 | 张若玮 | The dark cable duct of assembled |
| CN106877266A (en) * | 2017-04-16 | 2017-06-20 | 张若玮 | The bright cable duct of assembled |
| CN106816848B (en) * | 2017-04-16 | 2018-06-29 | 张若玮 | The dark cable duct of assembled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160824 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |