CN103899850B - For secondary cable auxiliary plugging device - Google Patents
For secondary cable auxiliary plugging device Download PDFInfo
- Publication number
- CN103899850B CN103899850B CN201410105169.3A CN201410105169A CN103899850B CN 103899850 B CN103899850 B CN 103899850B CN 201410105169 A CN201410105169 A CN 201410105169A CN 103899850 B CN103899850 B CN 103899850B
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- China
- Prior art keywords
- coiled coil
- fixed plate
- panel
- mounting hole
- secondary cable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/04—Sealing to form a firebreak device
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a kind of for secondary cable auxiliary plugging device, comprise panel, panel has one or more mounting hole, the equal helical disk in each mounting hole place is wound with coiled coil portion, coiled coil portion is wrapped in outside secondary cable, outside secondary cable, be coated with fire-proof mud, fire-proof mud is wrapped in outside described coiled coil portion, and is tightly connected with mounting hole.The present invention is used for the shutoff mouth place of erecting of panel at cabinet panel of secondary cable auxiliary plugging device, cable in cabinet is first divided into some parts, then be each passed through the mounting hole on panel, at cable outer mounting hole place, helical disk is wound with coiled coil portion, seals mounting hole by fire-proof mud.Just support frame is equivalent in the coiled coil portion of cable external spiral coiling, in the process of mounting hole place coating fire-proof mud, fire-proof mud is bonded on support frame, support frame can be filled with space between cable and mounting hole, avoid causing fire-proof mud to drop because space is excessive, be easy to cram mounting hole, efficiency is high, and quality is high.
Description
Technical field
The present invention relates to a kind of technical field of electrotechnical equipment, particularly relate to a kind of for secondary cable auxiliary plugging device.
Background technique
In electric substation, the shutoff of secondary cable often adopts hard board to hide macropore, one or more cable is inserted in the mounting hole of hard board, its residue periphery of this mounting hole has space, and also can leave space between cable and cable, if this space is not by shutoff, will cause, such as, toy can enter into high-voltage field bin by space, in cabinet, water inlet becomes moist meeting slowly corrosion, even cause the bad phenomenon of secondary loop short circuit or second loop grounding, it constitutes a serious threat to the Security of operation of power networks.
Therefore, usually, people adopt fire-proof mud to cram between cable and mounting hole and around mounting hole, but the method still exists some deficiency:
1, the gap between many secondary cables is difficult to cram usually, and after long-time, mounting hole produces larger space.
2, when summer high-temperature, the fire-proof mud of the cramming phenomenon that often drops in the below such as mechanism's casing occurs.
Fire-proof mud need be removed when 3, in addition secondary cable being installed in cabinet panel, secondary cable installs rear fire-proof mud shutoff, the shutoff seal of the fire-proof mud causing other together to lay on panel reduces, even owing to being caused cable plugging effect extremely bad by other cable extrusion.
Although have the construction team of indivedual high level to carry out a point cable shutoff at present, plugging effect is also good, and after long-time, the fire-proof mud of casing outer lower side also easily comes off.Some electric substation is coated in fire-proof mud surface with silicon sealant and prevents fire-proof mud from coming off, but is still difficult to deal with problems, and silicon sealant and adhesive tape have combustion-supporting effect, do not meet fire protection requirement.
Summary of the invention
Based on this, the invention reside in the defect overcoming prior art, provide a kind of for secondary cable auxiliary plugging device, it can improve the installation sealing effect of secondary cable on cabinet panel.
Its technological scheme is as follows: a kind of for secondary cable auxiliary plugging device, comprise panel, described panel has one or more mounting hole, the equal helical disk in each described mounting hole place is wound with coiled coil portion, described coiled coil portion is wrapped in outside secondary cable, outside secondary cable, be coated with fire-proof mud, described fire-proof mud is wrapped in outside described coiled coil portion, and is tightly connected with described mounting hole.
Below further technological scheme is described:
Preferably, described coiled coil part is the first coiled coil section, the second coiled coil section and the 3rd coiled coil section, the two ends of described second coiled coil section are connected with described first coiled coil section, the 3rd coiled coil section respectively, described first coiled coil Duan Yu tri-section of coiling lays respectively at the both sides of mounting hole, and the diameter of described first coiled coil section, the 3rd coiled coil section all diminishes gradually towards the direction away from described mounting hole, described second coiled coil section is positioned at mounting hole.
Preferably, described panel is spliced by the separation panel of two pieces or more, and the one or both sides of described separation panel have more than one semicircle orifice.
Preferably, described mounting hole place is provided with rubber ring, and described rubber ring outer rim has the inserted part that radial cross section is U-shaped.
Preferably, also comprise the clamping structure for installing described panel, described clamping structure comprises the first fixed plate, second fixed plate and the 3rd fixed plate, second fixed plate, 3rd fixed plate lays respectively at the both sides of the first fixed plate, the first end of described first fixed plate is connected with the first end of described second fixed plate by the first elasticity accommodation section, second end of described first fixed plate is connected with the first end of described 3rd fixed plate by the second elasticity accommodation section, second end of the second fixed plate than the first end of described second fixed plate near described first fixed plate, second end of the 3rd fixed plate than the first end of described 3rd fixed plate near described first fixed plate.
Preferably, the radial cross section of described first elasticity accommodation section and the second elasticity accommodation section is arc, described first elasticity accommodation section first end is connected with described first fixed plate, described first elasticity accommodation section second end is connected with described second fixed plate, described second elasticity accommodation section first end is connected with described 3rd fixed plate, and described second elasticity accommodation section second end is connected with described 3rd fixed plate.
Preferably, the radial cross section of described first elasticity accommodation section and the second elasticity accommodation section is 180 ° of arcs.
Preferably, described erecting of panel is on cabinet panel.
Preferably, also comprise infill panel, described infill panel is arranged on cabinet panel, and is connected with described panel.
Preferably, described coiled coil portion is the steel wire of coiled coil shape.
Below the principle, effect etc. of preceding solution are described:
By of the present invention for the shutoff mouth place of the erecting of panel described in secondary cable auxiliary plugging device at cabinet panel, secondary cable in cabinet is first divided into some parts, then the mounting hole on panel is each passed through, at secondary cable outer mounting hole place, helical disk is wound with coiled coil portion, seals mounting hole by fire-proof mud.Just support frame is equivalent in the coiled coil portion of secondary cable external spiral coiling, in the process of mounting hole place coating fire-proof mud, fire-proof mud is bonded on support frame, support frame is filled with space between secondary cable and mounting hole, avoid causing because space is excessive fire-proof mud to drop phenomenon, be easy to cram mounting hole, efficiency is high, mounting hole good seal performance.
Coiled coil part is become the first coiled coil section, the second coiled coil section and the 3rd coiled coil section, and be wrapped in outside secondary cable, because the first coiled coil section, the 3rd coiled coil section reduce gradually towards the direction away from mounting hole, fire-proof mud is coated in outside the coiled coil portion of this shape, good sealing effect, and be more conducive to coating.
Wherein, panel of the present invention can be made up of separation panel splicing, separates panel both sides and arranges semicircle orifice.For the secondary cable run, this secondary cable often can not be extracted in cabinet, and needs first to be separated by secondary cable, then sticks secondary cable with the semicircle orifice separated on panel, then separates panel splicing by two pieces.Therefore, secondary cable auxiliary plugging device of the present invention can be adapted to the secondary cable run, and miantainers can overhaul timely to secondary cable shutoff undesirable condition on cabinet panel.Meanwhile, can set up rubber ring at mounting hole place, rubber ring can firm two semicircle orifices be stitched together further.
In order to solve the installation difficulty of panel on cabinet, present invention also offers a kind of clamping structure, this clamping structure has upper and lower two inserted parts, cabinet panel and the panel installing secondary cable in clamping respectively, installation difficulty is low, can comparatively fast realize installing, without the need to holing on panel, working efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation for secondary cable auxiliary plugging device described in the embodiment of the present invention;
Fig. 2 is the structural representation that in Fig. 1, wherein cable is sealed by fire-proof mud in place's mounting hole;
Fig. 3 is for the clamping structure structural representation in secondary cable auxiliary plugging device described in the embodiment of the present invention;
Fig. 4 is one of them side view of Fig. 3;
Fig. 5 is for the coiled helical coiled portion structural representation in secondary cable auxiliary plugging device described in the embodiment of the present invention;
Fig. 6 is the structural representation of rubber ring described in the embodiment of the present invention;
Fig. 7 is the front view of Fig. 6;
Fig. 8 is the side view of Fig. 6.
Description of reference numerals:
10, secondary cable, 20, cabinet panel, 30, panel, 31, first separates panel, 32, second separates panel, 33, first mounting hole, 34, second mounting hole, 40, infill panel, 50, clamping structure, 501, first fixed plate, 502, second fixed plate, 503, 3rd fixed plate, 504, first elasticity accommodation section, 505, second elasticity accommodation section, 51, first clamping structure, 52, second clamping structure, 60, coiled coil portion, 61, first coiled coil section, 62, second coiled coil section, 63, 3rd coiled coil section, 70, rubber ring, 71, inserted part, 80, fire-proof mud.
Embodiment
Below embodiments of the invention are described in detail:
As depicted in figs. 1 and 2, one of the present invention is used for secondary cable auxiliary plugging device, comprise panel 30, described panel 30 has one or more mounting hole, the equal helical disk in each described mounting hole place is wound with coiled coil portion 60, and described coiled coil portion 60 is wrapped in outside secondary cable 10, is coated with fire-proof mud 80 outside secondary cable 10, described fire prevention 80 mud drum is rolled in outside described coiled coil portion 60, and is tightly connected with described mounting hole.In embodiments of the present invention, described coiled coil portion 60 is made up of steel wire.
By the shutoff mouth place being arranged on cabinet panel 20 for the panel 30 described in secondary cable auxiliary plugging device of the present invention, secondary cable in cabinet is first divided into some parts, then the mounting hole on panel 30 is each passed through, at secondary cable outer mounting hole place, helical disk is wound with coiled coil portion 60, seals mounting hole by fire-proof mud 80.Just support frame is equivalent in the coiled coil portion 60 of secondary cable 10 external spiral coiling, in the process of mounting hole place coating fire-proof mud 80, fire-proof mud 80 is bonded on support frame, support frame can be filled with space between secondary cable 10 and mounting hole, avoid causing fire-proof mud to drop because space is excessive, fire-proof mud 80 is bonded at the better effects if outside cable, and is easier to cram mounting hole, efficiency is high, good seal performance.
As shown in Figure 5, described coiled coil portion 60 is divided into the first coiled coil section 61, second coiled coil section 62 and the 3rd coiled coil section 63, the two ends of described second coiled coil section 62 are connected with described first coiled coil section 61, the 3rd coiled coil section 63 respectively, described first coiled coil section 61 and the 3rd coils the both sides that section 63 lays respectively at mounting hole, and described first coiled coil section 61, the 3rd coiled coil section 63 all diminish gradually towards the direction away from described mounting hole, described second coiled coil section 62 is positioned at mounting hole.Coiled coil part is become the first coiled coil section 61, second coiled coil section 62 and the 3rd coiled coil section 63, and be wrapped in outside secondary cable 10, wherein, second coiled coil section 62 is positioned at mounting hole place, one or more secondary cable 10 is tightly wound around by the second coiled coil section 62, reduce the space between secondary cable 10, and the first coiled coil section 61, 3rd coiled coil section 63 is positioned at the both sides of panel 30, and the first coiled coil section 61, 3rd coiled coil section 63 reduces gradually towards the direction away from mounting hole, in mounting hole place and mounting hole coating on both sides fire-proof mud 80, fire-proof mud 80 is coated in outside the coiled coil portion 60 of this shape, coiled coil portion 60 is equivalent to support frame, fire-proof mud 80 not easily drops, very be beneficial to coating, sealing mounting hole effect is very good, and the fire-proof mud 80 applied between mounting hole does not influence each other, so the fire-proof mud can taken apart on one of them mounting hole is after 80s, the fire-proof mud 80 that all the other mounting holes apply can not be affected, the sealability of mounting hole can not be destroyed.
As shown in Figure 1, described panel 30 is spliced by the separation panel of two pieces or more, and the one or both sides of described separation panel have more than one semicircle orifice.Wherein, first side of separating panel 31 has multiple semicircle orifice, second both sides of separating panel 32 all have multiple semicircle orifice, separate panel 31 and first to separate panel 31 splice first, or first separates panel 31 and second separates panel 32 and splices, namely two semicircle orifices can be spliced into a circular mounting hole, and as the first mounting hole 33, second mounting hole 34 in figure, the internal diameter of mounting hole can be arranged as required.For another example shown in Fig. 1,6,7,8, described mounting hole place is provided with rubber ring 70, described rubber ring 70 outer rim has the inserted part 71 that radial cross section is U-shaped, inserted part 71 is stuck two semicircle orifices, form a mounting hole, rubber ring 70 can firm two semicircle orifices be stitched together further, improve the installation effect of secondary cable 10 on panel 20, strengthen sealability.For the secondary cable 10 run, because this secondary cable 10 often can not be extracted in cabinet, so can adopt of the present invention for secondary cable 10 auxiliary plugging device, first by secondary cable 10 separately, then stick secondary cable 10 with the semicircle orifice separated on panel, then separate panel splicing by two pieces.Therefore, secondary cable auxiliary plugging device of the present invention can be adapted to the secondary cable run, for the undesirable condition of secondary cable 10 shutoff on cabinet panel 20, maintenance operation personnel are without the need to extracting the secondary cable 10 run, can directly auxiliary plugging device of the present invention be arranged on cabinet panel 20, can carry out maintenance process in time, and the sealing of cabinet panel 20 improves greatly, improve the working life of equipment.
As shown in Fig. 1,3,4, of the present inventionly also comprise clamping structure 50 for installing described panel 30 for secondary cable auxiliary plugging device, clamping structure 50 can arrange length as required, as the first clamping structure 51, second clamping structure 52 in figure.Described clamping structure 50 comprises the first fixed plate 501, second fixed plate 502 and the 3rd fixed plate 503, second fixed plate 502, 3rd fixed plate 503 lays respectively at the both sides of the first fixed plate 501, the first end of described first fixed plate 501 is connected with the first end of described second fixed plate 502 by the first elasticity accommodation section 504, second end of described first fixed plate 501 is connected with the first end of described 3rd fixed plate by the second elasticity accommodation section, second end of the second fixed plate 502 than the first end of described second fixed plate 502 near described first fixed plate 501, second end of the 3rd fixed plate 503 than the first end of described 3rd fixed plate 503 near described first fixed plate 501.Namely the first fixed plate 501, the 3rd fixed plate 503 form a clamping part with the second fixed plate 502 respectively, panel 30 clamps by one of them clamping part, cabinet panel 20 clamps by another clamping part, realizes the installation of cabinet panel 20 shutoff mouth place panel 30 with this.
Wherein, the radial cross section of described first elasticity accommodation section 504 and the second elasticity accommodation section 505 is arc, described first elasticity accommodation section 504 first end is connected with described first fixed plate 505, described first elasticity accommodation section 504 second end is connected with described second fixed plate 502, described second elasticity accommodation section 505 first end is connected with described 3rd fixed plate 503, and described second elasticity accommodation section 505 second end is connected with described 3rd fixed plate 503.The radial cross section of described first elasticity accommodation section 504 and the second elasticity accommodation section 505 is 180 ° of arcs.
In order to solve the installation difficulty of panel 30 on cabinet, present invention also offers a kind of clamping structure 50, this clamping structure 50 has upper and lower two inserted parts, cabinet panel 20 and the panel 30 installing secondary cable 10 in clamping respectively, installation difficulty is low, can comparatively fast realize installing, without the need to holing on panel 30, working efficiency is high.
In embodiments of the present invention, described panel 30 is arranged on cabinet panel 20.Wherein in an embodiment, also comprise infill panel 40 described in the embodiment of the present invention for secondary cable auxiliary plugging device, described infill panel 40 is arranged on cabinet panel 20, and is connected with described panel 30.
The conventional installation methods of secondary cable auxiliary plugging device of the present invention is as follows:
1, panel 30 is cut according to the actual shutoff size that needs.
2, clamping structure 50 is fixed on cabinet panel 20 shutoff mouth surrounding, panel 30 clamping structure 50 is fixed on cabinet panel shutoff mouth place.
3, U-shaped rubber ring 70 is placed on panel mounting hole place.
4, secondary cable 10 is passed one by one the mounting hole on panel 30, and secondary cable is installed separately.
5, winding screw coiled portion 60 on the secondary cable 10 at each mounting hole place, makes coiled coil portion 60 be spirally coiled in outside secondary cable 10.
6, fire-proof mud 80 is coated in the mounting hole upper and lower of panel 30, coiled coil portion 60 and secondary cable 10 are all filled completely by fire-proof mud 80.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. one kind for secondary cable auxiliary plugging device, it is characterized in that, comprise panel, described panel has more than one mounting hole, the equal helical disk in each described mounting hole place is wound with coiled coil portion, described coiled coil portion is wrapped in outside secondary cable, fire-proof mud is coated with outside secondary cable, described fire-proof mud is wrapped in outside described coiled coil portion, and be tightly connected with described mounting hole, described coiled coil part is the first coiled coil section, second coiled coil section and the 3rd coiled coil section, the two ends of described second coiled coil section respectively with described first coiled coil section, 3rd coiled coil section is connected, described first coiled coil Duan Yu tri-coiled coil section lays respectively at the both sides of mounting hole, and described first coiled coil section, the diameter of the 3rd coiled coil section all diminishes gradually towards the direction away from described mounting hole, described second coiled coil section is positioned at mounting hole.
2. according to claim 1ly it is characterized in that for secondary cable auxiliary plugging device, described panel is spliced by the separation panel of two pieces or more, and the one or both sides of described separation panel have more than one semicircle orifice.
3. according to claim 2ly it is characterized in that for secondary cable auxiliary plugging device, described mounting hole place is provided with rubber ring, and described rubber ring outer rim has the inserted part that radial cross section is U-shaped.
4. according to claim 1 for secondary cable auxiliary plugging device, it is characterized in that, also comprise the clamping structure for installing described panel, described clamping structure comprises the first fixed plate, second fixed plate and the 3rd fixed plate, second fixed plate, 3rd fixed plate lays respectively at the both sides of the first fixed plate, the first end of described first fixed plate is connected with the first end of described second fixed plate by the first elasticity accommodation section, second end of described first fixed plate is connected with the first end of described 3rd fixed plate by the second elasticity accommodation section, second end of the second fixed plate than the first end of described second fixed plate near described first fixed plate, second end of the 3rd fixed plate than the first end of described 3rd fixed plate near described first fixed plate.
5. according to claim 4 for secondary cable auxiliary plugging device, it is characterized in that, the radial cross section of described first elasticity accommodation section and the second elasticity accommodation section is arc, described first elasticity accommodation section first end is connected with described first fixed plate, described first elasticity accommodation section second end is connected with described second fixed plate, described second elasticity accommodation section first end is connected with described 3rd fixed plate, and described second elasticity accommodation section second end is connected with described 3rd fixed plate.
6. according to claim 5ly it is characterized in that for secondary cable auxiliary plugging device, the radial cross section of described first elasticity accommodation section and the second elasticity accommodation section is 180 ° of arcs.
7. according to claim 1ly it is characterized in that for secondary cable auxiliary plugging device, described erecting of panel is on cabinet panel.
8. according to claim 7ly it is characterized in that for secondary cable auxiliary plugging device, also comprise infill panel, described infill panel is arranged on cabinet panel, and is connected with described panel.
9. according to any one of claim 1 to 8 for secondary cable auxiliary plugging device, it is characterized in that, described coiled coil portion is the steel wire of coiled coil shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105169.3A CN103899850B (en) | 2014-03-20 | 2014-03-20 | For secondary cable auxiliary plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105169.3A CN103899850B (en) | 2014-03-20 | 2014-03-20 | For secondary cable auxiliary plugging device |
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| CN103899850A CN103899850A (en) | 2014-07-02 |
| CN103899850B true CN103899850B (en) | 2016-01-06 |
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| CN201410105169.3A Active CN103899850B (en) | 2014-03-20 | 2014-03-20 | For secondary cable auxiliary plugging device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319660A (en) * | 2014-10-21 | 2015-01-28 | 苏州市世纪晶源光电科技有限公司 | Multiple-door power distribution cabinet with ventilation device |
| CN104930267B (en) * | 2015-06-25 | 2017-03-29 | 许继集团有限公司 | Cable fire-retardant device and back-fire relief method |
| CN105090625A (en) * | 2015-09-01 | 2015-11-25 | 国网辽宁省电力有限公司鞍山供电公司 | Method for blocking holes of secondary cables in relay protection screen cabinet of substation |
| CN109481870B (en) * | 2018-11-28 | 2020-07-07 | 国网湖北省电力有限公司宜昌供电公司 | Quick fireproof mud blocking device and method for electrical control cabinet of transformer substation |
| CN110752537B (en) * | 2019-09-30 | 2021-05-07 | 国网山东省电力公司昌乐县供电公司 | Special mould for plugging fire clay in cable hole |
| CN111981207B (en) * | 2020-09-01 | 2021-12-31 | 天津医科大学总医院 | Device for monitoring hemodynamics by penetrating catheter through wall of low-pressure hypoxia chamber |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542182A (en) * | 2013-10-18 | 2014-01-29 | 陕西沃尔思消防技术有限公司 | Fire blocking construction process for cable through-wall holes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2614642B2 (en) * | 1988-06-02 | 1997-05-28 | 株式会社クボタ | Slab penetrating steel pipe joint structure |
| JPH0755067A (en) * | 1993-08-20 | 1995-03-03 | Three Bond Co Ltd | Fire protection division penetrating part constructing methdo for heat reserving piping |
| JP4533006B2 (en) * | 2004-06-08 | 2010-08-25 | 積水化学工業株式会社 | Fire-proof compartment penetration structure and construction method of fire-proof compartment penetration |
| JP2006176987A (en) * | 2004-12-21 | 2006-07-06 | Inaba Denki Sangyo Co Ltd | Thermally expansible fire-preventive attachment, and fire protection construction using the same |
-
2014
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542182A (en) * | 2013-10-18 | 2014-01-29 | 陕西沃尔思消防技术有限公司 | Fire blocking construction process for cable through-wall holes |
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| CN103899850A (en) | 2014-07-02 |
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