CN106786226A - A kind of anti-breakdown handling process of electrical cable terminal fire prevention - Google Patents
A kind of anti-breakdown handling process of electrical cable terminal fire prevention Download PDFInfo
- Publication number
- CN106786226A CN106786226A CN201710087275.7A CN201710087275A CN106786226A CN 106786226 A CN106786226 A CN 106786226A CN 201710087275 A CN201710087275 A CN 201710087275A CN 106786226 A CN106786226 A CN 106786226A
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- China
- Prior art keywords
- breakdown
- fire
- metallic channel
- fire prevention
- cable terminal
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Classifications
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
- H02G1/145—Moulds
Landscapes
- Cable Accessories (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention belongs to electrical cable terminal processing techniques field, a kind of anti-breakdown handling process of electrical cable terminal fire prevention is disclosed, comprised the following steps：Binding post to cable terminal carries out insulation and moisture treatment；The anti-breakdown treatment mould of fire prevention is installed outside the binding post of cable terminal；Installing cable end face sealing gasket in the metallic channel for preventing fires anti-breakdown treatment mould carries out isolating seal；Fire proofing material is injected in anti-breakdown treatment mould of preventing fires；The anti-breakdown treatment mould of fire prevention is removed after fire proofing material semi-solid preparation；Fire proofing material carries out last inspection and treatment after being fully cured.The present invention ensure that each binding post of cable termination effectively seal against fire prevention treatment, greatly reduce cable on fire or puncture the probability of equipment；Also reduce simultaneously and cause the probability of fire spreading because local or indivedual binding posts are on fire, even if accident can also be isolated in the intensity of a fire region beyond electrical equipment when occurring.
Description
Technical field
It is to be related to a kind of electrical cable terminal to prevent specifically the invention belongs to electrical cable terminal processing techniques field
The anti-breakdown handling process of fire.
Background technology
Electrical cable terminal is the part that cable is connected with other electrical equipments, and its service life decides cable
The possibility run with equipment long-term safety.The handling process of current cable termination is generally relatively moistureproof anti-insulation processing, and is lacked
Prevent fires anti-breakdown treatment, it is difficult to the long-term impact for undergoing fault current, so that its junction easily produces insulation ag(e)ing, cause to hit
Wear burning apparatus.
Good electrical cable end process requirement terminals and core connection resistance is small and stable connection, with certain
Mechanical strength and vibration-resistant property, though while after anti-ignition technique should ensure that longtime running, puncture also simply damage cable without
Burning apparatus.
The content of the invention
The present invention is to solve electrical cable terminal lacks the technical problem of anti-breakdown treatment of preventing fires at present, there is provided one
The electrical cable terminal anti-breakdown handling process of fire prevention is planted, is processed by the sealing fire prevention of pair of wire connection terminals, prevention cable is on fire
Or puncture the generation of equipment.
In order to solve the above-mentioned technical problem, the present invention is achieved by following technical scheme：
A kind of anti-breakdown handling process of electrical cable terminal fire prevention, comprises the following steps：
(1) after the completion of all binding posts connection of cable terminal, pair of wire connection terminals carries out insulation and moisture and processes and examine
Look into；
(2) the anti-breakdown treatment mould of fire prevention is installed outside the binding post of cable terminal；
The anti-breakdown treatment mould of fire prevention is frame-shaped construction, two die assemblies one by two die assembly splits
End is respectively arranged with handle by hinge, the other end；Two die assemblies can be by all wiring after including split
Terminal is trapped among enclosing therein, and the enclosing bottom is provided with the collet inwardly widened；The institute of one of them die assembly
State and be provided with enclosing 3-8 metallic channel, the metallic channel top is set to opening, bottom surface and is set to arc, and is enclosed by described
Gear stretches out, so that the cable that binding post is connected passes through each institute respectively by the anti-breakdown treatment mould inside of the fire prevention
Metallic channel is stated outwards to draw；
(3) arranged in the metallic channel of the anti-breakdown treatment mould of the fire prevention by checking determination cable
Afterwards, cable end face sealing gasket is installed in the metallic channel carries out isolating seal；
The profile of the cable end face sealing gasket matches with the metallic channel and can fill the metallic channel and seals,
The cable end face sealing gasket is internally provided with the perforation for passing through cable, and the perforation is communicated with the opening for upwardly extending
Groove；
(4) fire proofing material is injected in the anti-breakdown treatment mould of the fire prevention, until the fire proofing material is by the fire prevention
Anti-breakdown treatment mould is filled；
(5) during the fire proofing material semi-solid preparation, the bearing pin of the anti-breakdown treatment mould of the fire prevention is extracted, by two
Handle opens the anti-breakdown treatment mould of the fire prevention, and takes the anti-breakdown treatment mould of fire prevention away；
(6) after the fire proofing material is fully cured, check to ensure that occur without electric leakage by Insulation Resistance Tester.
Preferably, the metallic channel in step (2) is set to five.
Preferably, the spacing between the metallic channel in step (2) is 10-15mm.
Preferably, the metallic channel in step (2) is 50-80mm by the length that the enclosing stretches out.
Preferably, the arc of the metallic channel bottom in step (2), its arc diameter is 40-60mm.
Preferably, in step (2) angled transition is set between the metallic channel bottom and the enclosing, this is tilted over
Cross downward-sloping 40-45 ° apart from the circular arc starting of the enclosing 10-15mm by the metallic channel.
Preferably, the cable end face sealing gasket in step (3) when mounted, first pass through its open slot be enclosed within it is described anti-
On the cable of the anti-breakdown treatment mould inside of fire, then again along the cable push-in metallic channel.
Preferably, the fire proofing material in step (4) is fire prevention calking or foaming agent.
Preferably, the time of the fire proofing material semi-solid preparation in step (5) is to fill the 30min- after fire proofing material
In 60min.
Preferably, the time that the fire proofing material in step (6) is fully cured is to fill the 150min- after fire proofing material
In 180min.
The beneficial effects of the invention are as follows：
The present invention is injected by way of fire proofing material to anti-breakdown treatment mould of preventing fires, and makes the binding post of cable termination
It is fully wrapped around by fire proofing material, so that ensure that each binding post of cable termination has carried out effectively sealing against fire prevention treatment,
Not only operating process is simple, process, and it is on fire or puncture the probability of equipment to greatly reduce cable；Simultaneously because
All binding posts have all carried out sealing fire prevention treatment, also reduce and cause fire because local or indivedual binding posts are on fire
The probability that gesture spreads, even if accident can also be isolated in the intensity of a fire region beyond electrical equipment when occurring.
Brief description of the drawings
Fig. 1 is the scheme of installation of anti-breakdown treatment mould of being prevented fires in embodiment；
Fig. 2 is the structural representation of anti-breakdown treatment mould of being prevented fires in embodiment；
Fig. 3 is the upward view of Fig. 2；
Fig. 4 is the right view of Fig. 2；
Fig. 5 is the partial enlarged drawing of part A in Fig. 4；
Fig. 6 is the structural representation of cable end face sealing gasket.
In above-mentioned figure：1st, cable；2nd, binding post；3rd, electrical equipment；4th, bearing pin；5th, handle；6th, enclosing；7th, collet；
8th, metallic channel；9th, cable end face sealing gasket.
Specific embodiment
For the content of the invention of the invention, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinate accompanying drawing
Describe in detail as follows：
A kind of anti-breakdown handling process of electrical cable terminal fire prevention is present embodiments provided, is specifically entered according to following steps
OK：
(1) as shown in figure 1, after all binding posts 2 of the terminal of cable 1 are connected into related electric equipment 3, on request
Pair of wire connection terminals 2 carries out insulation and moisture treatment.Check whether all of binding post 2 meets insulation by Insulation Resistance Tester
Moistureproof technological requirement, it is to be checked without electric leakage after, further work can be carried out.
(2) as shown in figure 1, installing the anti-breakdown treatment mould of fire prevention outside the binding post 2 of the terminal of cable 1, this is prevented
The anti-breakdown treatment mould of fire should be able to surround wherein all of binding post 2.
As shown in Figures 2 to 4, prevent fires it is anti-breakdown treatment mould be by before and after two die assemblies symmetrically split one
Rise, so as to form a cuboid frame-shaped construction for upper lower open mouth.One end middle part of two die assemblies is hinged on by bearing pin 4
Together, the other end middle part of two die assemblies is respectively arranged with a handle 5.Two die assemblies include enclosing 6 and bottom
Support 7, collet 7 is integrally connected to the bottom of enclosing 6, and inwardly widens relative to enclosing 6.Two die assemblies are stitched together
Afterwards, enclosing 6 can surround wherein all binding posts 2, so that fire proofing material solidified forming and by all wiring wherein
Terminal 2 is fully wrapped around, and collet 7 is primarily to the intensity of reinforcement enclosing 6, prevents it from deforming.Positioned at being connected with cable 1 one
The die assembly of side is provided with five metallic channels 8, and the design of five wire casings can meet the electrical cable compatibility of a conventional core, three cores
Wiring requirement；Spacing between two neighboring metallic channel 8 is traditionally arranged to be 10-15mm.The top of metallic channel 8 be set to opening, under
Portion is set to lower arcuate surface, the i.e. longitudinal section with U-shaped；Enclosing 6 corresponding to metallic channel 8 offer U-shaped hole and with metallic channel 8 one
Side is fixedly connected, and metallic channel 8 is extended from enclosing 6 to anti-breakdown treatment mold exterior of preventing fires, and the length for stretching out is 50-
80mm.Metallic channel 8 is used to make the cable 1 that binding post 2 is connected by anti-breakdown treatment mould inside of preventing fires respectively by each
Metallic channel 8 is outwards drawn, and the length and spacing of metallic channel 8 can meet the minimum bending radius requirement that conventional cable 1 lays.
The bottom surface of metallic channel 8 uses arc structure form, and the requirement of its arc diameter is maintained at 40-60mm.With reference to shown in Fig. 5, the bottom of metallic channel 8
Angled transition is set between end and enclosing 6, it is a that the initiating terminal of the angled transition is located at metallic channel 8 apart from the horizontal range of enclosing 6
At the position of=10-15mm, clearing end is located on the enclosing 6 of the lower section of metallic channel 8, from initiating terminal to the downward-sloping angle of clearing end
It is b=40-45 ° (angle between angled transition and horizontal line) to spend, to ensure cable 1 wiring and past mould in metallic channel 8
The minimum bending radius requirement that cable 1 lays is met in tool during note fire proofing material, so as to the crust of cable 1 will not be hurt.
(3) check and determine cable 1 prevent fires it is anti-breakdown treatment mould metallic channel 8 in arrange after,
Cable end face sealing gasket 9 is installed in metallic channel 8 carries out isolating seal, is flowed out along metallic channel 8 with the fire proofing material for preventing injection.
As shown in fig. 6, the profile of cable end face sealing gasket 9 matches with metallic channel 8, so that cable end face sealing gasket 9 can be by wire
The filling sealing of groove 8, the height of cable end face sealing gasket 9 can be shorter than metallic channel 8, and cable end face sealing gasket 9 is internally provided with energy
The perforation for enough passing through cable 1, perforation is communicated with the open slot for upwardly extending.During installation, cable end face sealing gasket 9 is first passed through
Open slot perforated on the cable 1 being enclosed within the anti-breakdown treatment mould of fire prevention, then again along cable 1 by cable
In the push-in metallic channel 8 of end face seal pad 9.
(4) the anti-breakdown treatment mould of fire prevention is installed, and after installation cable end face sealing gasket 9 in metallic channel 8, in fire prevention
Injection fire proofing material in anti-breakdown treatment mould, fire proofing material is fire prevention calking or foaming agent, for example, fire prevention calking can be by chlorination
Paraffin, china clay in powder etc. are mixed, and foaming agent can select EVA expanded materials etc..Wait the fire prevention prevented fires in anti-breakdown treatment mould
After material is filled, unnecessary fire proofing material strikes off along its horizontal plane will to prevent fires anti-breakdown treatment die top.
(5) fire prevention when the fire proofing material semi-solid preparation (30min-60min typically after fire proofing material is filled), is extracted
The bearing pin 4 of anti-breakdown treatment mould, holds handle 5 and opens two die assemblies, and takes the anti-breakdown treatment mould of fire prevention away, etc.
Treat that fire proofing material thoroughly solidifies completion.
(6) after fire proofing material thoroughly solidifies (150min-180min typically after fire proofing material is filled), by insulated electro
Resistance tester checks insulation effect after its integrally curing, it is ensured that occur without electric leakage.
Although being described to the preferred embodiments of the present invention above in conjunction with accompanying drawing, the invention is not limited in upper
The specific embodiment stated, above-mentioned specific embodiment is only schematical, be not it is restricted, this area it is common
Technical staff in the case of present inventive concept and scope of the claimed protection is not departed from, may be used also under enlightenment of the invention
To make the specific conversion of many forms, these are belonged within protection scope of the present invention.
Claims (10)
1. a kind of electrical cable terminal is prevented fires anti-breakdown handling process, it is characterised in that comprised the following steps：
(1) after the completion of all binding posts connection of cable terminal, pair of wire connection terminals carries out insulation and moisture and processes and check；
(2) the anti-breakdown treatment mould of fire prevention is installed outside the binding post of cable terminal；
The anti-breakdown treatment mould of fire prevention is frame-shaped construction by two die assembly splits, and two described die assembly one end lead to
Cross hinge, the other end and be respectively arranged with handle；Two die assemblies can be by all binding posts after including split
Enclosing therein is trapped among, the enclosing bottom is provided with the collet inwardly widened；The described of one of them die assembly encloses
Block and be provided with 3-8 metallic channel, metallic channel top is set to opening, bottom surface and is set to arc, and from the enclosing to
Outer extension, so that the cable that is connected of binding post described is led by each respectively by the anti-breakdown treatment mould inside of the fire prevention
Wire casing is outwards drawn；
(3) it has been arranged in the metallic channel of the anti-breakdown treatment mould of the fire prevention by checking determination cable
Afterwards, cable end face sealing gasket is installed in the metallic channel carries out isolating seal；
The profile of the cable end face sealing gasket matches with the metallic channel and can fill the metallic channel and seals, described
Cable end face sealing gasket is internally provided with the perforation for passing through cable, and the perforation is communicated with the open slot for upwardly extending；
(4) fire proofing material is injected in the anti-breakdown treatment mould of the fire prevention, until the fire prevention is prevented hitting by the fire proofing material
Treatment mould is worn to fill；
(5) during the fire proofing material semi-solid preparation, the bearing pin of the anti-breakdown treatment mould of the fire prevention is extracted, by two handles
The anti-breakdown treatment mould of the fire prevention is opened, and takes the anti-breakdown treatment mould of fire prevention away；
(6) after the fire proofing material is fully cured, check to ensure that occur without electric leakage by Insulation Resistance Tester.
2. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(2) metallic channel in is set to five.
3. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(2) spacing between the metallic channel in is 10-15mm.
4. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(2) metallic channel in is 50-80mm by the length that the enclosing stretches out.
5. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(2) arc of the metallic channel bottom in, its arc diameter is 40-60mm.
6. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(2) angled transition is set between the metallic channel bottom and the enclosing in, the angled transition is by the metallic channel distance
Circular arc starting at the enclosing 10-15mm is downward-sloping 40-45 °.
7. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(3) the cable end face sealing gasket in when mounted, first passes through its open slot and is enclosed within the anti-breakdown treatment mould of the fire prevention
On the cable in portion, then again along the cable push-in metallic channel.
8. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(4) fire proofing material in is fire prevention calking or foaming agent.
9. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(5) time of the fire proofing material semi-solid preparation in is to fill in the 30min-60min after fire proofing material.
10. a kind of electrical cable terminal according to claim 1 is prevented fires anti-breakdown handling process, it is characterised in that step
(6) time that the fire proofing material in is fully cured is to fill in the 150min-180min after fire proofing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087275.7A CN106786226B (en) | 2017-02-17 | 2017-02-17 | A kind of anti-breakdown treatment process of electrical cable terminal fire prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710087275.7A CN106786226B (en) | 2017-02-17 | 2017-02-17 | A kind of anti-breakdown treatment process of electrical cable terminal fire prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106786226A true CN106786226A (en) | 2017-05-31 |
| CN106786226B CN106786226B (en) | 2018-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710087275.7A Active CN106786226B (en) | 2017-02-17 | 2017-02-17 | A kind of anti-breakdown treatment process of electrical cable terminal fire prevention |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725775A (en) * | 2021-08-23 | 2021-11-30 | 湖州晨翼五金有限公司 | Insulating isolation board for electric appliance terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686442A (en) * | 1991-02-14 | 1994-03-25 | Tokyo Gas Co Ltd | Electric cable and cable terminating method |
| CN202405736U (en) * | 2011-12-16 | 2012-08-29 | 中科动力(福建)电气科技有限公司 | Fireproof and explosion-proof box for ultrahigh-voltage cable middle joint |
| CN105977899A (en) * | 2016-05-11 | 2016-09-28 | 姜涛 | Fireproof explosion-proof device for intermediate joint of power cables |
| CN106058788A (en) * | 2016-06-06 | 2016-10-26 | 济南轩天机电科技有限公司 | Fire and explosion protection structure installed on cable intermediate head, and use method thereof |
-
2017
- 2017-02-17 CN CN201710087275.7A patent/CN106786226B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686442A (en) * | 1991-02-14 | 1994-03-25 | Tokyo Gas Co Ltd | Electric cable and cable terminating method |
| CN202405736U (en) * | 2011-12-16 | 2012-08-29 | 中科动力(福建)电气科技有限公司 | Fireproof and explosion-proof box for ultrahigh-voltage cable middle joint |
| CN105977899A (en) * | 2016-05-11 | 2016-09-28 | 姜涛 | Fireproof explosion-proof device for intermediate joint of power cables |
| CN106058788A (en) * | 2016-06-06 | 2016-10-26 | 济南轩天机电科技有限公司 | Fire and explosion protection structure installed on cable intermediate head, and use method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725775A (en) * | 2021-08-23 | 2021-11-30 | 湖州晨翼五金有限公司 | Insulating isolation board for electric appliance terminal |
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| Publication number | Publication date |
|---|---|
| CN106786226B (en) | 2018-04-13 |
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