CN208753031U - A kind of fire-resisting cable branch joint device - Google Patents
A kind of fire-resisting cable branch joint device Download PDFInfo
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- CN208753031U CN208753031U CN201821301398.2U CN201821301398U CN208753031U CN 208753031 U CN208753031 U CN 208753031U CN 201821301398 U CN201821301398 U CN 201821301398U CN 208753031 U CN208753031 U CN 208753031U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a kind of fire-resisting cable branch joint devices, including cladding refractory outer cover component, self-curing fluidised form fire resisting filler material, composite shield cover, prefabricated hot-face insulation filling block, c-type copper card, fire resisting leader cable and fire resisting branch cable；Leader cable and branch cable pierce into the tunnel mouth of staving I and staving II respectively, and are sealed by seal cap and sealing ring；The injection of self-curing fluidised form fire resisting filler material with casing assembly solidification by being integral in barrel cavity；Composite shield cover shrouds conductor tieing end, insulating layer of conductor end, c-type copper card and prefabricated hot-face insulation filling block；Conductor tieing end, insulating layer of conductor end and c-type copper card package are made itself and external insulation by prefabricated hot-face insulation filling block.The design can be resistant to 950 DEG C or more high temperature, guarantee that rigidity, the fire fighting device fault-free power-on time of Initial Stage of Fire structural member continue 180min or more.
Description
Technical field
The utility model belongs to designing and manufacturing for fire-resisting cable attachment, and in particular to a kind of fire-resisting cable branch joint dress
It sets.
Background technique
When fire-resisting cable is applied to the emergency fire-fighting power supply system such as skyscraper, urban operating mechanism, bridge, tunnel, engineering
Related trunk formula is powered branch joint in structure, be all made of cable T knot coupling box, cablehead, prefabricated branch cable or
Cable connection box transition connection.Wherein used insulating materials has two major classes: first is that inorganic material class, including mica tape, cloud
Any one or assembly of female powder product, ceramic member or magnesia powder filler material and metalwork；Second is that high molecular material class, packet
It includes any one of polycarbonate, polyester film, heat-shrink tube, crosslinking PE band, 3M crosslinking band and other polyester materials or combines
Body.However, these inorganic material, due to itself hygroscopic dampness, thus cannot be guaranteed good electrical insulation properties；These are high
Molecular material, though its good heat-resisting rated temperature of insulation performance is lower.Moreover, trunk formula power supply branch joint structure is not only
Shaft space occupation is big, and waterproof and fire resistance is poor, connector is exposed oxidizable, causes bolt looseness terminal to generate heat, resistance
Increase, current-carrying capacity reduces, generally 150 DEG C of heat-resisting rated temperature hereinafter, and the anti-flammabilitys of some components can only achieve
GB/T 2406.2, GB/T 2408, GB/T 5169.16 or UL 94V0Standard is even lower, and it is resistance to that GB 8624-2006 is not achieved
The A grade requirement of fire design, can not meet 950 DEG C of at least requirements of 180min of heatproof.
In these above-mentioned structures, wherein prefabricated branch cable connector is the product that skyscraper is widely used, it be by
A kind of completed knocked down products that multiple accessories are combined into, it is necessary in advance at the scene measure after made to factory, there are it is many it is unfavorable, can not
By factor:
Dimensional discrepancy is limited, fabrication cycle is long, packed and transported trouble, in-site installation equipment apply and opens difficulty, specially to lift
Equipment, every floor plate perforated area be big, prefabricated branch cable connector is easy to damage, and needs more people's cooperations, when installation fee, takes
Work.
Therefore, if to ensure that fire-resisting cable branch joint attachment meets Current Building ' electric fireproof specification, meet heatproof
950 DEG C of at least requirements of 180min, it is desirable to which better material designs the fire-resisting cable combined with more reasonable new construction
Branch joint device replaces.Although fire-resisting cable branch joint attachment is not new concept, fire resisting new material is made pottery
Porcelain SiClx rubber is combined with the design of fire-resisting cable branch joint device new construction, and it is preferably resistance to assign cable branch joint device
Fiery performance is to extend the time of normal power supply and technological innovation under fire hazard environment.
Summary of the invention
The purpose of this utility model is to provide a kind of fire-resisting cable branch for meeting Current Building ' electric fireproof specification and connects
Head device keeps cable that can continue under fire hazard environment with fault-free longer to meet 950 DEG C of at least requirements of 180min of heatproof
Power-on time.
In order to achieve the above object, a kind of fire-resisting cable branch joint device of the utility model, comprising: cladding refractory outer cover group
Part, self-curing fluidised form fire resisting filler material, composite shield cover, prefabricated hot-face insulation filling block, c-type copper card or joint made by flame welding connector,
Fire resisting leader cable and fire resisting branch cable；The fire resisting leader cable and fire resisting branch cable pierce into respectively on cladding refractory outer cover component by
The staving I of bucket section connection and the tunnel mouth of staving II, and enhanced by primary seal cap, branch seal cap and sealing ring and sealed；It is described from
Solidify the injection of fluidised form fire resisting filler material and surrounded by staving I, bucket section, staving II intracavitary, is cured as with cladding refractory outer cover component
One is whole；The leading body of the fire resisting leader cable and the branch conductor of fire resisting branch cable are fastenedly connected by c-type copper card or joint made by flame welding
Conducting；The composite shield cover is by leading body tieing end, leading body insulating layer end, branch conductor tieing end, branch insulating layer of conductor
End, c-type copper card and prefabricated hot-face insulation filling block shroud, and are connected with leader cable shielded layer and branch cable shielded layer；It is described
Prefabricated hot-face insulation filling block is by leading body tieing end, leading body insulating layer end, branch conductor tieing end, branch insulating layer of conductor end
Head and c-type copper card package make itself and external insulation.
Further, the cladding refractory outer cover component further include: main end of thread cap, branch end of thread cap, primary seal cap, branch sealing
Cap, staving I, bucket section, sealing ring, staving II and dilatancy ceramic thermal insulation layer；The mesoporous of the main end of thread cap and branch end of thread cap
The fit clearance of fire resisting leader cable and the fire-proof supporting outside diameter of cable is squeezed and is sealed by primary seal cap, branch seal cap respectively；It is described
Primary seal cap and branch seal cap are elastomer, can deform or expand when being squeezed by main end of thread cap, branch end of thread cap, fill up bucket respectively
The gap of the tunnel mouth of body I, the tunnel mouth of staving II and main end of thread cap, branch end of thread cap, and fill up main end of thread cap respectively, branch is buckled
The gap of end cap and fire resisting leader cable and the fire-proof supporting outside diameter of cable；The staving I and staving II are threadedly respectively in bucket
The both ends of section are docked, and are realized and are sealed by sealing ring；The staving II is equipped with injection port, exhaust outlet and fills discharger；It is described
Dilatancy ceramic thermal insulation layer is covered on staving I, bucket section, sealing ring, staving II in appearance, the thermal coefficient under service state
Greater than 0.8W/ (m.K), coating layer thickness between (1.0~3.0) mm, coating layer thickness can be swollen under 600 DEG C or more or fire hazard environment
Swollen to 30 times or more, becomes foamed ceramics and thermal coefficient is then reduced to 0.10W/ (m.K) below.
Further, the self-curing fluidised form fire resisting filler material further include: one-component class, two-component class or three groups of classification are normal
Any one of the cured Ceramic silicon rubber slurry of temperature, ceramic unsaturated polyester resin slurry, are being held by pressure injection
The cladding refractory outer cover component sealed it is intracavitary, self-curing is whole closely knit refractory insulating material at room temperature, is not only significantly mentioned
High waterproof, anti-corrosion, fire prevention and the reliability of insulation, and ceramic-insulated integrated member is converted at a temperature of fire hazard environment.
Further, the composite shield cover further include: metal mesh compartment, wire braid and conductive filler and expansion
Any one of type Ceramic silicon rubber composite layer, and be appointing by the pipe fitting of calendering formation, cage body, staving or end cap profile
It anticipates one kind；The conductive filler includes any one of the short silk of metal, metal powder, conductive carbon powder and conductive carbon fibre or combines
Body.
Further, the prefabricated hot-face insulation filling block further include: first pre- in factory with Ceramic silicon rubber insulating cement
Curing molding processed is sleeve member or collar member, guarantees precision with size from prefabricated mould, under fire hazard environment or temperature exists
Hard ceramic insulating materials is converted into 600 DEG C or more of environment.
Further, the c-type copper card is standard component or the open loop by T2 cathode copper through pyrolytic semlting pultrusion roll forming
Any one of copper pipe；The joint made by flame welding is tin plating or silver-plated conductor or alloy conductor.
Further, the fire resisting leader cable further include: leading body, leading body insulating layer, leader cable shielded layer, leader cable
Oxygen barrier flame retardant coating and leader cable flame retardant sheath layer；The leading body insulating layer is coated on the appearance of leading body, leader cable shielded layer
It is coated on the appearance of leading body insulating layer, the oxygen barrier flame retardant coating of leader cable is coated on the appearance of leader cable shielded layer, and leader cable is fire-retardant
Restrictive coating is coated on the appearance of the oxygen barrier flame retardant coating of leader cable；The leader cable flame retardant sheath layer is squeezed out using ceramic polyolefin
Layer.
Further, the fire resisting branch cable is using fire resisting leader cable is identical or not identical structure, identical or not identical material
Expect ingredient.
A kind of fire-resisting cable branch joint device of the utility model, cladding refractory outer cover component, self-curing fluidised form is resistance to
Fiery filler material, composite shield cover, prefabricated hot-face insulation filling block, fire resisting leader cable and fire resisting branch cable are integrated as one kind and newly set
Meter, the beneficial effect is that:
1. using intumescent ceramic composite layer Design on thermal insulation, 950 DEG C of tolerance or more high temperature guarantees Initial Stage of Fire structural member
Rigidity, fire fighting device fault-free power-on time continue 180min or more；
2. ensuring cable connector waterproof, anti-corrosion, resistance to height under Service Environment using fluidised form filling integrally curing structure design
Mild insulating reliability；
3. this fire-resisting cable branch joint device volume is small, occupancy space is small, and installation branch is convenient, fast；
4. insulating body using pre-formed ceramic, guarantee dimensional accuracy, compact-sized, in-site installation is high-efficient, easily
In seriation, standardization, mass production.
Detailed description of the invention
Fig. 1 is main view, left view and the right view of cladding refractory outer cover assembly embodiment shape.
Fig. 2 is the cross-sectional view of Fig. 1.
Fig. 3 is a kind of cross-sectional view of fire-resisting cable branch joint Installation practice one of the utility model.
Fig. 4 is a kind of cross-sectional view of fire-resisting cable branch joint Installation practice two of the utility model.
Fig. 5 is A-A, B-B, C-C sectional elevation in Fig. 4.
In Fig. 1 into Fig. 5, identical function, mutually isostructural part use identical label, in order to which drawing is succinct and omits
Go the piece mark on symmetrical or identical serial position.
1-main end of thread cap, 2-primary seal caps, 3-branch end of thread caps,
4-branch seal caps, 5-stavings I, 6-bucket sections,
7-sealing rings, 8-stavings II, 9-self-curing fluidised form fire resisting filler materials,
10-composite shield covers, 11-prefabricated hot-face insulation filling blocks, 12-c-type copper cards,
13-leading bodies, 14-leading body insulating layers, 15-leader cable shielded layers,
The oxygen barrier flame retardant coating of 16-leader cables, 17-leader cable flame retardant sheath layers, 18-branch conductors,
19-branch insulating layer of conductor, 20-branch cable shielded layers, the oxygen barrier flame retardant coating of 21-branch cables,
22-branch cable flame retardant sheath layers, 23-injection ports, 24-exhaust outlets,
25-fill discharger, 26-leader cables, 27-branch cables,
100-cladding refractory outer cover components.
Specific embodiment
By be described in detail a kind of technology contents of fire-resisting cable branch joint device of the utility model, construction feature, reality
Existing purpose and effect, with reference to embodiments and its attached drawing further illustrates.
Embodiment one: single branch structure
As shown in Fig. 1 to 3 figures, a kind of one embodiment of fire-resisting cable branch joint device of the utility model is disclosed,
It include: cladding refractory outer cover component 100, self-curing fluidised form fire resisting filler material 9, composite shield cover 10, the filling of prefabricated hot-face insulation
Block 11, c-type copper card 12, fire resisting leader cable 26 and fire resisting branch cable 27；Fire resisting leader cable 26 and fire resisting branch cable 27 pierce into respectively
The tunnel mouth of the staving I 5 and staving II 8 that are coupled on cladding refractory outer cover component 100 by bucket section 6, and by primary seal cap 2, Zhi Mi
Sealing cap 4 and the enhancing sealing of sealing ring 7；The injection of self-curing fluidised form fire resisting filler material 9 is surrounded by staving I 5, bucket section 6, staving II 8
It is intracavitary, it is integral with the solidification of cladding refractory outer cover component 100；The leading body 13 of fire resisting leader cable 26 and fire resisting branch cable 27
Branch conductor 18 is fastenedly connected conducting by c-type copper card 12；Composite shield cover 10 is by 13 tieing end of leading body, leading body insulating layer 14
End, 18 tieing end of branch conductor, 19 end of branch insulating layer of conductor, c-type copper card 12 and prefabricated hot-face insulation filling block 11 shroud, and
It is connected with leader cable shielded layer 15 and branch cable shielded layer 20；Prefabricated hot-face insulation filling block 11 is by 13 tieing end of leading body, master
14 end of insulating layer of conductor, 18 tieing end of branch conductor, 19 end of branch insulating layer of conductor and the package of c-type copper card 12 keep it exhausted with the external world
Edge.
Wherein, cladding refractory outer cover component 100 further include: main end of thread cap 1, branch end of thread cap 3, primary seal cap 2, branch seal cap
4, staving I 5, bucket section 6, sealing ring 7, staving II 8 and dilatancy ceramic thermal insulation layer；In main end of thread cap 1 and branch end of thread cap 3
Hole respectively squeezes the fit clearance of 27 outer diameter of fire resisting leader cable 26 and fire resisting branch cable by primary seal cap 2, branch seal cap 4 close
Envelope；Primary seal cap 2 and branch seal cap 4 are elastomer, can deform or expand when being squeezed by main end of thread cap 1, branch end of thread cap 3, point
The gap of the tunnel mouth of staving I 5, the tunnel mouth of staving II 8 and main end of thread cap 1, branch end of thread cap 3 is not filled up, and is filled up respectively
The gap of main end of thread cap 1, branch end of thread cap 3 and 27 outer diameter of fire resisting leader cable 26 and fire resisting branch cable；Staving I 5 and staving II 8 are logical
The both ends docking for crossing engagement thread difference bucket section 6, realizes by sealing ring 7 and seals；Staving II 8 is equipped with injection port 23, exhaust outlet
24 and fill discharger 25；Dilatancy ceramic thermal insulation layer is covered on the appearance of staving I 5, bucket section 6, sealing ring 7, staving II 8
On, it is greater than 0.8W/ (m.K), coating layer thickness between (2.0 ± 0.3) mm in thermal coefficient under service state, at 600 DEG C or more
Or coating layer thickness may expand to 30 times or more under fire hazard environment, becomes foamed ceramics and thermal coefficient is then reduced to 0.10W/
(m.K) below.
Wherein, self-curing fluidised form fire resisting filler material 9 further include: one-component class, two-component class or three groups of classification normal temperature cures
Ceramic silicon rubber slurry, ceramic unsaturated polyester resin slurry any one, it is good in end seal by pressure injection
Cladding refractory outer cover component 100 it is intracavitary, self-curing is whole closely knit refractory insulating material at room temperature, is not only significantly improved anti-
Water, anti-corrosion, fire prevention and the reliability of insulation, and ceramic-insulated integrated member is converted at a temperature of fire hazard environment.
Wherein, composite shield cover 10 further include: metal mesh compartment, wire braid and conductive filler and intumescent ceramics
Any one of SiClx rubber composite layer, and be by any one of the pipe fitting of calendering formation, cage body, staving or end cap profile
Kind；Conductive filler includes any one or assembly of the short silk of metal, metal powder, conductive carbon powder and conductive carbon fibre.
Wherein, prefabricated hot-face insulation filling block 11 further include: be first prefabricated in the factory solidification with Ceramic silicon rubber insulating cement
Be shaped to sleeve member or collar member, from prefabricated mould guarantee size with precision, under fire hazard environment or temperature 600 DEG C with
On environment in be converted into hard ceramic insulating materials.
Wherein, open loop copper pipe of the c-type copper card 12 by T2 cathode copper through pyrolytic semlting pultrusion roll forming.
Wherein, fire resisting leader cable 26 further include: leading body 13, leading body insulating layer 14, leader cable shielded layer 15, leader cable
Oxygen barrier flame retardant coating 16 and leader cable flame retardant sheath layer 17；Leading body insulating layer 14 is coated on the appearance of leading body 13, leader cable screen
The appearance that layer 15 is coated on leading body insulating layer 14 is covered, the oxygen barrier flame retardant coating 16 of leader cable is coated on the outer of leader cable shielded layer 15
Table, leader cable flame retardant sheath layer 17 are coated on the appearance of the oxygen barrier flame retardant coating 16 of leader cable；Leader cable flame retardant sheath layer is using ceramics
Change polyolefin extruding layer.
Wherein, fire resisting branch cable 27 uses the identical structure and material ingredient of fire resisting leader cable 26.
Embodiment two:Multi-branched
As shown in Figure 4 and 5 figure, a kind of another implementation of fire-resisting cable branch joint device of the utility model is disclosed
Example, except that the multi-branched being made of three-phase and four-line, remaining CONSTRUCTED SPECIFICATION and embodiment one are complete compared with embodiment one
It is exactly the same.
A kind of fire-resisting cable branch joint device of the utility model, by cladding refractory outer cover component 100, self-curing fluidised form
Fire resisting filler material 9, composite shield cover 10,27 phase knot of prefabricated hot-face insulation filling block 11, fire resisting leader cable 26 and fire resisting branch cable
It is combined into new design, the beneficial effect is that:
1. using intumescent ceramic composite layer Design on thermal insulation, 950 DEG C of tolerance or more high temperature guarantees Initial Stage of Fire structural member
Rigidity, fire fighting device fault-free power-on time continue 180min or more；
2. ensuring cable connector waterproof, anti-corrosion, resistance to height under Service Environment using fluidised form filling integrally curing structure design
Mild insulating reliability；
3. this fire-resisting cable branch joint device volume is small, occupancy space is small, and installation branch is convenient, fast.
4. insulating body using pre-formed ceramic, guarantee dimensional accuracy, compact-sized, in-site installation is high-efficient, easily
In seriation, standardization, mass production.
Claims (7)
1. a kind of fire-resisting cable branch joint device, characterized by comprising: cladding refractory outer cover component, self-curing fluidised form fire resisting
Filler material, composite shield cover, prefabricated hot-face insulation filling block, c-type copper card or joint made by flame welding connector, fire resisting leader cable and fire-proof supporting
Cable；The fire resisting leader cable and fire resisting branch cable pierce into I He of staving coupled on cladding refractory outer cover component by bucket section respectively
The tunnel mouth of staving II, and enhanced by primary seal cap, branch seal cap and sealing ring and sealed；The self-curing fluidised form fire resisting filler material
Injection surrounded by staving I, bucket section, staving II it is intracavitary, with cladding refractory outer cover component solidification be integral；The main electricity of fire resisting
The leading body of cable and the branch conductor of fire resisting branch cable are fastenedly connected conducting by c-type copper card or joint made by flame welding；The composite shield cover
By leading body tieing end, leading body insulating layer end, branch conductor tieing end, branch insulating layer of conductor end, c-type copper card and prefabricated resistance to
Fiery insulation filling block shrouds, and is connected with leader cable shielded layer and branch cable shielded layer；The prefabricated hot-face insulation filling block will
Leading body tieing end, leading body insulating layer end, branch conductor tieing end, branch insulating layer of conductor end and c-type copper card package make it
With external insulation.
2. fire-resisting cable branch joint device according to claim 1, it is characterised in that: the cladding refractory outer cover component
It further include main end of thread cap, branch end of thread cap, primary seal cap, branch seal cap, staving I, bucket section, sealing ring, staving II and dilatancy pottery
Porcelain thermal insulation layer；The mesoporous of the main end of thread cap and branch end of thread cap is respectively by primary seal cap, branch seal cap by fire resisting leader cable
And the fit clearance of the fire-proof supporting outside diameter of cable squeezes sealing；The primary seal cap and branch seal cap are elastomer, by main end of thread
Cap, branch end of thread cap can be deformed or be expanded when squeezing, fill up respectively the tunnel mouth of staving I, the tunnel mouth of staving II and main end of thread cap,
The gap of branch end of thread cap, and filled up between main end of thread cap, branch end of thread cap and fire resisting leader cable and the fire-proof supporting outside diameter of cable respectively
Gap；The staving I and staving II threadedly dock at the both ends of bucket section respectively, realize and seal by sealing ring；It is described
Staving II is equipped with injection port, exhaust outlet and fills discharger；The dilatancy ceramic thermal insulation layer is covered on staving I, bucket section, close
In appearance, thermal coefficient is greater than 0.8W/ (m.K), coating layer thickness in 1.0mm~3.0mm under service state for seal, staving II
Between, coating layer thickness may expand to 30 times or more under 600 DEG C or more or fire hazard environment, become foamed ceramics and thermal coefficient then
It is reduced to 0.10W/ (m.K) below.
3. fire-resisting cable branch joint device according to claim 1, it is characterised in that: the self-curing fluidised form fire resisting is filled out
Charge further include: one-component class, the Ceramic silicon rubber slurry of two-component class or three groups of classification normal temperature cures, ceramic are unsaturated
Any one of polyester resin slurry, by pressure injection in the intracavitary of the good cladding refractory outer cover component of end seal, at room temperature certainly
It is cured as whole closely knit refractory insulating material, not only significantly improves waterproof, anti-corrosion, fire prevention and the reliability of insulation, Er Qie
Ceramic-insulated integrated member is converted at a temperature of fire hazard environment.
4. fire-resisting cable branch joint device according to claim 1, it is characterised in that: the composite shield cover also wraps
It includes: any one of metal mesh compartment, wire braid and conductive filler and intumescent Ceramic silicon rubber composite layer, and be
By any one of the pipe fitting of calendering formation, cage body, staving or end cap profile；The conductive filler includes the short silk of metal, gold
Belong to any one or assembly of powder, conductive carbon powder and conductive carbon fibre.
5. fire-resisting cable branch joint device according to claim 1, it is characterised in that: the prefabricated hot-face insulation filling
Block further include: with the Ceramic silicon rubber insulating cement curing molding that is first prefabricated in the factory be sleeve member or collar member, by prefabricated mould
The cooperation precision for guaranteeing size, under fire hazard environment or temperature that hard ceramic is converted into 600 DEG C or more of environment is exhausted
Edge material.
6. fire-resisting cable branch joint device according to claim 1, it is characterised in that: the c-type copper card is standard component
Or any one of the open loop copper pipe by T2 cathode copper through pyrolytic semlting pultrusion roll forming；The joint made by flame welding is tin plating or plating
The conductor or alloy conductor of silver.
7. fire-resisting cable branch joint device according to claim 1, it is characterised in that: the fire resisting leader cable also wraps
It includes: leading body, leading body insulating layer, leader cable shielded layer, the oxygen barrier flame retardant coating of leader cable and leader cable flame retardant sheath layer；The master
Insulating layer of conductor is coated on the appearance of leading body, and leader cable shielded layer is coated on the appearance of leading body insulating layer, and leader cable is oxygen barrier
Flame retardant coating is coated on the appearance of leader cable shielded layer, and leader cable flame retardant sheath layer is coated on the appearance of the oxygen barrier flame retardant coating of leader cable；
The leader cable flame retardant sheath layer uses ceramic polyolefin extruding layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821301398.2U CN208753031U (en) | 2018-08-13 | 2018-08-13 | A kind of fire-resisting cable branch joint device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301398.2U CN208753031U (en) | 2018-08-13 | 2018-08-13 | A kind of fire-resisting cable branch joint device |
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| CN208753031U true CN208753031U (en) | 2019-04-16 |
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ID=66079385
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383796A (en) * | 2020-03-12 | 2020-07-07 | 广州市穗羽电线电缆有限公司 | Novel mineral insulated cable and preparation method thereof |
| CN112071486A (en) * | 2020-08-12 | 2020-12-11 | 福建恒汇电缆有限公司 | Insect and ant prevention protection long-life branch cable and manufacturing method thereof |
| CN114424301A (en) * | 2019-09-24 | 2022-04-29 | 株式会社自动网络技术研究所 | Method for manufacturing branch wire harness |
-
2018
- 2018-08-13 CN CN201821301398.2U patent/CN208753031U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114424301A (en) * | 2019-09-24 | 2022-04-29 | 株式会社自动网络技术研究所 | Method for manufacturing branch wire harness |
| CN111383796A (en) * | 2020-03-12 | 2020-07-07 | 广州市穗羽电线电缆有限公司 | Novel mineral insulated cable and preparation method thereof |
| CN111383796B (en) * | 2020-03-12 | 2021-02-02 | 广州市穗羽电线电缆有限公司 | Novel mineral insulated cable and preparation method thereof |
| CN112071486A (en) * | 2020-08-12 | 2020-12-11 | 福建恒汇电缆有限公司 | Insect and ant prevention protection long-life branch cable and manufacturing method thereof |
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Effective date of registration: 20210630 Address after: 518118 Wool Industrial Park, Lanjing North Road, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Address before: 518118 Vol Industrial Park, Lanjingbei Road, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. |
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Effective date of registration: 20230817 Address after: 518000 Wall Industrial Park, Lanjing North Road, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. Address before: 518118 Wool Industrial Park, Lanjing North Road, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd. Patentee before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. |
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