CN114530286B - Composite fireproof cable - Google Patents
Composite fireproof cable Download PDFInfo
- Publication number
- CN114530286B CN114530286B CN202210195417.2A CN202210195417A CN114530286B CN 114530286 B CN114530286 B CN 114530286B CN 202210195417 A CN202210195417 A CN 202210195417A CN 114530286 B CN114530286 B CN 114530286B
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- cable
- box
- layer
- sealing
- protection layer
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- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims abstract 8
- 239000010410 layer Substances 0.000 claims description 55
- 238000007789 sealing Methods 0.000 claims description 54
- 239000011241 protective layer Substances 0.000 claims description 39
- 238000012545 processing Methods 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 30
- 238000001179 sorption measurement Methods 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 24
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 2
- 238000010304 firing Methods 0.000 abstract 1
- 230000007723 transport mechanism Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
Landscapes
- Installation Of Indoor Wiring (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a composite fireproof cable, which relates to the technical field of cables and comprises an inner protection layer, wherein a blocking layer is sleeved on the outer side of the inner protection layer, an outer protection layer is sleeved on the outer side of the blocking layer, a separation layer is arranged in the inner protection layer, the separation layer divides the inner part of the inner protection layer into at least two groups of installation areas, a plurality of cable cores are wrapped in the installation areas through protection layers, a plurality of communicated communicating grooves are formed between the outer protection layer and the blocking layer, a containing cavity is formed in one side, close to the communicating grooves, of the inner part of the blocking layer, and flame retardant materials are filled in the containing cavity. According to the invention, the plurality of cable cores can be divided into different areas through the separation layer and the inner protection layer, so that when the cable cores in a single area are prevented from firing, the cable cores in other areas can be quickly ignited, the fireproof capacity of the cable can be improved, the inner part of the cable is provided with the containing cavity, and the inner part of the containing cavity is filled with the flame retardant material.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a composite fireproof cable.
Background
Cables are typically made of one or more cable cores and an outer insulating protective layer that are insulated from each other, and in the prior art, in order to improve the fire resistance of the cable in a particular environment of use, related fire and flame resistant structures are often added to the cable structure.
Through searching, china patent discloses a composite fireproof cable (publication number: CN 110364299B), which comprises a cable outer protection layer, wherein a cable installation cavity is formed in the cable outer protection layer, a cable main body is installed in the cable installation cavity and comprises a cable outer coating layer and cable core wires, interfaces are respectively installed at the interface ends at the two ends of the cable outer protection layer, the cable core wires penetrate through the interfaces and extend out, and glue is applied to the contact ends of the cable core wires and the interfaces to fix the cable core wires.
In the prior art, the cable cores in the cable have no separation structure, so that all the cable cores are easy to ignite after a fire occurs, and the fireproof structure in the cable is complex, so that the cable is inconvenient to use after the fire occurs.
Disclosure of Invention
The invention aims to provide a composite fireproof cable which solves the following technical problems:
how to avoid that the cable core is completely ignited in a short time after the cable is on fire, and how to use the fire-proof structure inside the cable rapidly when the cable is on fire.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a compound fireproof cable, includes interior protective layer, interior protective layer's internally mounted has the separate layer, the separate layer is with interior protective layer's internal partition into two at least groups installation region, the inside of installation region has a plurality of cable core through the inoxidizing coating parcel to separate a plurality of cable core, prevent the cable core of burning behind single installation region the fire, the outside cover of interior protective layer is equipped with the barrier layer, the outside cover of barrier layer is equipped with outer protective layer, the intercommunication groove of a plurality of intercommunication has been seted up between outer protective layer and the barrier layer, is equiangular distribution between a plurality of intercommunication groove, and the holding chamber has been seted up to the one side that is close to the intercommunication groove in the barrier layer inside, the inside packing of holding chamber has flame retardant material, and the side of holding chamber is hugged closely including the protective layer for prevent flame retardant material and separate from holding the chamber, the side mounting of interior protective layer has the elastic component that extends to the inside of intercommunication groove, the outside of intercommunication groove all adheres to be connected with the sealing piece for seal the intercommunication groove, thereby improve the holistic aesthetic measure of cable.
As a further scheme of the invention: talcum powder is filled between the inner protective layer and the barrier layer, between the protective layer and the separation layer and between the protective layer and the inner protective layer.
As a further scheme of the invention: and an elastic part is arranged on one side of the inner protective layer, which is close to the containing cavity, and is used for elastically sealing the side edge of the containing cavity, so that the quality of the sealing flame-retardant material is improved.
As a further scheme of the invention: both ends of the inner protective layer are adhered and connected with the barrier layer for fixing the whole cable.
As a further scheme of the invention: the width of the communicating groove is 10-25mm, and the ratio of the arc length of the communicating groove to the perimeter of the outer protective layer is (0.2-0.35): 1.
as a further scheme of the invention: the width of the elastic piece is smaller than that of the communicating groove, and the communicating groove is prevented from causing resistance to the elastic piece when the elastic piece slides the inner protection layer.
As a further scheme of the invention: the elastic piece is made of elastic rubber, so that the problem that the sealing piece is damaged by the elastic piece due to movement of the cable is avoided.
As a further scheme of the invention: the inside of the communicating groove in the outer protective layer is provided with a stepped mounting groove, and the edge of the sealing sheet is adhered to the upper side of the corresponding mounting groove and used for improving the firmness between the sealing sheet and the corresponding mounting groove.
As a further scheme of the invention: the method for installing the sealing piece comprises the following steps:
step one: moving the cable into the assembling device, and corresponding the communication groove of the cable to the adsorption piece in the assembling device;
step two: activating a horizontal driving member to move the first cylinder to the upper side of the storage box, adsorbing a group of sealing sheets from the storage box, then moving the sealing sheets to the upper side of the coating box, and coating adhesive from the adhesive box to the lower surfaces of the sealing sheets;
step three: and moving the sealing sheet to the upper side of the corresponding communication groove, starting the first cylinder, and pressing the sealing sheet down to the mounting groove in the corresponding communication groove.
As a further scheme of the invention: the assembling device comprises a processing table, the upper surface fixedly connected with processing case of processing table, the internally mounted of processing case has transport mechanism, and the inside both sides of processing case all install at least a set of fixed clamping structure and the first lead screw driver of level setting, the removal clamping structure is installed to the output of first lead screw driver to the velocity of movement of first lead screw driver output is the same with transport mechanism's velocity of movement, the horizontal drive spare is installed on the top of processing incasement portion, the first cylinder of a plurality of is installed to the output of horizontal drive spare, and the interval of distribution among the first cylinder of a plurality of is the same with the interval that the cable surface intercommunication groove distributes for with each first cylinder and intercommunication groove one-to-one, a plurality of adsorption equipment is all installed to the bottom of first cylinder, adsorption equipment's output fixedly connected with adsorption equipment, the lower surface of adsorption equipment is provided with the radian for laminating with the upper surface of sealing washer, the inside material case that still installs a plurality of and each first cylinder coaxial distribution of processing case.
As a further scheme of the invention: the fixed clamping structure and the movable clamping structure comprise a second air cylinder, and the output end of the second air cylinder is fixedly connected with a clamping plate for clamping the cable, so that the problem of rotation of the cable during processing is solved.
As a further scheme of the invention: the utility model discloses a coating machine, including the raw materials case, the coating case is kept away from one side fixedly connected with containing box of transport mechanism, one side fixedly connected with vertical second lead screw driver who distributes of containing box, the link that the level set up is installed to the output of second lead screw driver, the link is kept away from the one end and the inner wall sliding connection of containing box of second lead screw driver, and the last fixedly connected with support piece of link.
As a further scheme of the invention: the inside fixedly connected with adhesive case of coating case, the silo has been seted up to the inside of adhesive case, the inflation structure is installed to the inside bottom of silo, so the air feed mechanism who is connected with the inflation structure is still installed to the coating incasement portion for with inflation structure inflation.
As a further scheme of the invention: the upper surface of adhesive case is provided with the arch position the same with sealing fin lower surface radian, and a plurality of discharge opening has been seted up to the inside at arch position.
As a further scheme of the invention: the processing case is towards the one end fixedly connected with mount of cable installation direction, the lower surface fixedly connected with infrared projection structure of mount, the projection edge that infrared projection structure is located the cable is the same with the edge of intercommunication groove to make things convenient for the staff to calibrate the position of cable.
The invention has the beneficial effects that:
according to the invention, the plurality of cable cores can be divided into different areas through the separation layer and the inner protection layer, so that when the cable cores in a single area are on fire, the cable cores in other areas can be prevented from being ignited rapidly, the fireproof capacity of the cable can be improved, the inner part of the cable is provided with the containing cavity, the inner part of the containing cavity is filled with the flame-retardant material, and meanwhile, the inner protection layer can be rotated through the elastic piece, so that the ignited part can be contacted with the flame-retardant material rapidly, and the fire-extinguishing effect of the flame-retardant material can be improved;
the sealing sheets are arranged on the outer sides of the communication grooves of the cables, so that the integrity of the outer surfaces of the outer protective layers can be maintained, and the elastic pieces can be contained in the communication grooves, so that the elastic pieces are prevented from being mistakenly touched when the cables are installed or used;
on the other hand, the sealing sheets and the communication groove of the cable are assembled through the assembling device, so that the production efficiency of the cable can be improved, the raw material box in the assembling device can stack a plurality of sealing sheets in the same radian mode inside the storage box, and the storage box is internally provided with the liftable supporting piece, so that the lifting supporting piece can be adsorbed and moved by the adsorption mechanism in the assembling device;
and the raw material box passes through the coating case, can laminate the lower surface of adhesive case and sealing washer mutually to the convenience is with the adhesive coating to the downside of sealing washer, and then conveniently assembles sealing washer and outer protective layer.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view of a cable of the present invention;
FIG. 2 is an enlarged view of the structure of the portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a partial side view of the cable of the present invention;
FIG. 4 is a cross-sectional view of the assembled device of the present invention;
FIG. 5 is a side cross-sectional view of the feed box of the present invention;
fig. 6 is an enlarged view of the structure of the portion B in fig. 4 according to the present invention.
In the figure: 1. an inner protective layer; 2. a separation layer; 3. a cable core; 4. a protective layer; 5. a barrier layer; 6. an outer protective layer; 7. a cavity; 8. a flame retardant material; 9. a communication groove; 10. an elastic member; 11. a sealing sheet; 12. a processing table; 13. a processing box; 14. a horizontal driving member; 15. a first cylinder; 16. an adsorption mechanism; 17. an absorbing member; 18. a raw material box; 19. fixing the clamping structure; 20. a conveying mechanism; 21. a first screw driver; 22. moving the clamping structure; 101. an elastic portion; 181. a coating box; 182. a storage box; 183. a second screw driver; 184. a connecting frame; 185. a support; 186. an adhesive box; 187. a trough; 188. an expansion structure; 189. a discharge hole; 131. a fixing frame; 132. an infrared projection structure.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention is a composite fireproof cable, including an inner protection layer 1, a separation layer 2 is installed inside the inner protection layer 1, the separation layer 2 separates the inside of the inner protection layer 1 into at least two groups of installation areas, the inside of the installation areas is wrapped with a plurality of cable cores 3 through a protection layer 4, thereby separating the plurality of cable cores 3, the cable cores 3 for preventing combustion are quickly ignited after the fire occurs in a single installation area, the cable cores 3 inside the rest installation areas are quickly ignited, a barrier layer 5 is sleeved outside the inner protection layer 1, an outer protection layer 6 is sleeved outside the barrier layer 5, a plurality of communicating grooves 9 are formed between the outer protection layer 6 and the barrier layer 5, the communicating grooves 9 are distributed at equal angles, a containing cavity 7 is formed on one side of the inner side of the barrier layer 5 close to the communicating grooves 9, the inside of the containing cavity 7 is filled with a flame retardant material 8, the inner side of the containing cavity 7 is tightly attached to the side surface of the inner protection layer 1 for preventing the flame retardant material 8 from being separated from the containing cavity 7, an elastic piece 10 extending to the inner side of the inner protection layer 1 to the inside of the communicating grooves 9 is sleeved outside the communicating grooves 9, a plurality of communicating grooves 11 are adhered and connected with the outside of the communicating grooves 9 for improving the overall appearance of the cable, thereby improving the sealing performance.
Talcum powder is filled between the inner protective layer 1 and the barrier layer 5, between the protective layer 4 and the separation layer 2 and between the protective layer 4 and the inner protective layer 1.
An elastic part 101 is arranged on one side of the inner protective layer 1, which is close to the containing cavity 7, and is used for elastically sealing the side edge of the containing cavity 7, so that the quality of the sealing flame-retardant material 8 is improved.
Both ends of the inner protective layer 1 are adhered and connected with the barrier layer 5 for fixing the whole cable.
The width of the communication groove 9 is 10 to 25mm, preferably 15mm, and the ratio of the arc length of the communication groove 9 to the circumference of the outer protective layer 6 is (0.2 to 0.35): 1, preferably 0.3:1.
the width of the elastic member 10 is smaller than the width of the communication groove 9, so that the communication groove 9 can prevent the elastic member 10 from being resistant when the inner protective layer 1 is slid by the elastic member 10.
The elastic member 10 is made of elastic rubber, so that the problem that the elastic member 10 breaks the sealing piece 11 due to the movement of the cable is avoided.
The inside of the communicating groove 9 in the outer protective layer 6 is provided with a stepped mounting groove, and the edge of the sealing piece 11 is adhered to the upper side of the corresponding mounting groove for improving the firmness between the sealing piece 11 and the corresponding mounting groove.
The method of installing the sealing sheet 11 includes the steps of:
step one: moving the cable to the inside of the assembling device, and corresponding the communication groove 9 of the cable to the adsorbing piece 17 in the assembling device;
step two: activating the horizontal driving member 14 to move the first cylinder 15 to the upper side of the housing box 182, sucking a set of sealing sheets 11 from within the housing box 182, then moving the sealing sheets 11 to the upper side of the coating box 181, and coating the adhesive from the adhesive box 186 to the lower surface of the sealing sheets 11;
step three: the sealing plate 11 is moved to the upper side of the corresponding communication groove 9, the first cylinder 15 is activated, and the sealing plate 11 is pressed down into the mounting groove in the corresponding communication groove 9.
Referring to fig. 4-6, the assembling device includes a processing table 12, a processing box 13 is fixedly connected to an upper surface of the processing table 12, a transmission mechanism 20 is installed in the processing box 13, at least one set of fixed clamping structures 19 and first screw drivers 21 horizontally arranged are installed on two sides of the interior of the processing box 13, a movable clamping structure 22 is installed at an output end of the first screw drivers 21, a moving speed of the output end of the first screw drivers 21 is identical to that of the transmission mechanism 20, a horizontal driving member 14 is installed at a top end of the interior of the processing box 13, the horizontal driving member 14 includes a third screw driver, a plurality of first air cylinders 15 are installed at an output end of the third screw driver, a distribution interval between the plurality of first air cylinders 15 is identical to that of the cable surface communication grooves 9, the first air cylinders 15 are used for one-to-one corresponding to the communication grooves 9, an adsorption mechanism 16 is installed at a bottom end of the plurality of the first air cylinders 15, an adsorption member 17 is fixedly connected to an output end of the adsorption mechanism 16, an arc is arranged on a lower surface of the adsorption member 17, the upper surface of the adsorption member 11 is used for being attached to an upper surface of a sealing sheet 11, and a plurality of first air cylinders 15 are also coaxially distributed in the processing boxes 13.
The fixed clamping structure 19 and the movable clamping structure 22 comprise second air cylinders, and the output ends of the second air cylinders are fixedly connected with clamping plates for clamping the cables, so that the problem of rotation of the cables during processing is solved.
The raw material box 18 includes the coating case 181, and one side fixedly connected with containing box 182 that transport mechanism 20 was kept away from to the coating case 181, one side fixedly connected with vertical second lead screw driver 183 that distributes of containing box 182, the link 184 that the level set up is installed to the output of second lead screw driver 183, and the one end that second lead screw driver 183 was kept away from to link 184 and the inner wall sliding connection of containing box 182, and the upper surface fixedly connected with support piece 185 of link 184.
The inside fixedly connected with adhesive case 186 of coating case 181, the silo 187 has been seted up to the inside of adhesive case 186, and expansion structure 188 is installed to the inside bottom of silo 187, so the inside air feed mechanism who is connected with expansion structure 188 that still installs of coating case 181 for with expansion structure 188 inflation.
The upper surface of the adhesive tank 186 is provided with a cambered part with the same radian as the lower surface of the sealing plate 11, and a plurality of discharging holes 189 are formed in the cambered part.
The processing case 13 is towards the one end fixedly connected with mount 131 of cable installation direction, and the lower surface fixedly connected with infrared projection structure 132 of mount 131, and the projection edge that infrared projection structure 132 is located on the cable is the same with the edge of intercommunication groove 9 to make things convenient for the staff to calibrate the position of cable, the distance between infrared projection structure 132 and nearest first cylinder 15 is the proportion increase of the distance between the intercommunication groove 9, thereby conveniently calibrate the position of intercommunication groove 9 in the cable according to infrared projection structure 132.
The working principle of the invention is as follows:
moving the cable into the assembly device, and corresponding the communication groove 9 of the cable to the adsorption piece 17 in the assembly device, moving the movable clamping structure 22 to be close to one end of the fixed clamping structure 19 when the communication groove is corresponding to the adsorption piece, moving one end of the cable into the processing box 13 through the conveying mechanism 20 until the cable passes through the movable clamping structure 22, then starting the infrared projection structure 132, projecting the cable on the surface of the cable, and finely adjusting the cable until the projection of the infrared projection structure 132 in the cable overlaps the nearest communication groove 9;
then starting the movable clamping structure 22 to clamp one end of the cable positioned in the processing box 13, starting the first screw driver 21 and the conveying mechanism 20, moving the cable into the processing box 13, stopping the conveying mechanism 20 and the first screw driver 21 after the cable is moved to a proper length and the projection of the infrared projection structure 132 corresponds to the communication groove 9 positioned on the outer side of the processing box 13 on the surface of the cable, and starting the fixed clamping structure 19 to clamp and fix the other side of the cable;
the horizontal driving member 14 is started, the first air cylinder 15 is moved to the upper side of the storage box 182 in the raw material box 18, the first air cylinder 15 is started, the adsorption mechanism 16 is lowered until the adsorption member 17 is attached to the uppermost sealing sheet 11 in the storage box 182, then the adsorption mechanism 16 is started, a group of sealing sheets 11 are adsorbed from the storage box 182, then the sealing sheets 11 are moved to the upper side of the coating box 181, the first air cylinder 15 is started again, the sealing sheets 11 are lowered to the upper side of the arched part at the top of the adhesive box 186, then the air supply mechanism is started, the expansion structure 188 is inflated, the adhesive in the material box 187 overflows through the discharging hole 189, and the adhesive can be coated on the lower surface of the sealing sheets 11 from the adhesive box 186;
resetting the height of the adsorption piece 17, starting the horizontal driving piece 14 to move the sealing piece 11 to the upper side of the corresponding communication groove 9 in the cable, starting the first air cylinder 15, and pressing the sealing piece 11 down to the mounting groove in the corresponding communication groove 9 until the sealing piece 11 is in adhesive connection with the inner protection layer 1;
if the surface of the inner protection layer 1 is provided with a plurality of rows of communication grooves 9, the cable can be rotated, and the other row of communication grooves 9 can be rotated to the right upper side, so that the assembly can be performed;
if the length of the cable is longer, the first screw driver 21 is started, the movable clamping structure 22 moves along the first screw driver 21 towards the fixed clamping structure 19, the cable is clamped again, then the first screw driver 21 and the conveying mechanism 20 are started again, the cable moves along the processing box 13 until the last time the communication groove 9 where the cable is not installed moves to the lower side of the adsorption mechanism 16 at the rearmost side inside the processing box 13.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. The preparation method of the composite fireproof cable comprises an inner protection layer (1), wherein a blocking layer (5) is sleeved on the outer side of the inner protection layer (1), an outer protection layer (6) is sleeved on the outer side of the blocking layer (5), and the preparation method is characterized in that a separation layer (2) is arranged in the inner protection layer (1), the inner part of the inner protection layer (1) is divided into at least two groups of installation areas by the separation layer (2), a plurality of cable cores (3) are wrapped by the protection layer (4) in the installation areas, a plurality of communicated communicating grooves (9) are formed between the outer protection layer (6) and the blocking layer (5), the communicating grooves (9) are distributed at equal angles, a containing cavity (7) is formed in one side, close to the communicating grooves (9), of the inner part of the blocking layer (5) is filled with a flame retardant material (8), an elastic piece (10) extending to the inner part of the communicating grooves (9) is arranged on the side surface of the inner protection layer (1), and sealing pieces (11) are adhered and connected to the outer sides of the communicating grooves (9);
talcum powder is filled between the inner protective layer (1) and the barrier layer (5), between the protective layer (4) and the separation layer (2) and between the protective layer (4) and the inner protective layer (1);
the side surface of the inner protective layer (1) is provided with an elastic part (101) extending to the inside of the accommodating cavity (7);
the method for installing the sealing sheet (11) comprises the following steps:
step one: moving the cable into the assembly device, and corresponding the communication groove (9) of the cable with the adsorption piece (17) in the assembly device;
step two: activating a horizontal driving member (14), moving a first cylinder (15) to the upper side of a storage box (182), adsorbing a group of sealing sheets (11) from the storage box (182), then moving the sealing sheets (11) to the upper side of a coating box (181), and coating adhesive from an adhesive box (186) to the lower surface of the sealing sheets (11);
step three: moving the sealing sheet (11) to the upper side of the corresponding communication groove (9), starting the first cylinder (15), and pressing the sealing sheet (11) down to the mounting groove in the corresponding communication groove (9);
the assembling device comprises a processing table (12), a processing box (13) is fixedly connected to the upper surface of the processing table (12), a conveying mechanism (20) is arranged in the processing box (13), at least one group of fixed clamping structures (19) and first screw drivers (21) which are horizontally arranged are arranged on two sides of the interior of the processing box (13), a movable clamping structure (22) is arranged at the output end of each first screw driver (21), the moving speed of the output end of each first screw driver (21) is the same as that of the conveying mechanism (20), a horizontal driving piece (14) is arranged at the top end of the interior of the processing box (13), the horizontal driving piece (14) comprises a third screw driver, a plurality of first air cylinders (15) are arranged at the output end of each third screw driver, the distribution spacing between the plurality of first air cylinders (15) is the same as that of the cable surface communicating grooves (9) are distributed, an adsorption mechanism (16) is arranged at the bottom end of each first air cylinder (15) in one-to-one correspondence with the communicating grooves (9), an adsorption piece (17) is arranged at the bottom end of each first air cylinder (15), the adsorption piece (17) is connected with the output end of the adsorption mechanism (16) in the fixed piece, the adsorption piece (17) is arranged on the upper surface of the sealing piece (11) in a sealing way, a plurality of raw material boxes (18) which are coaxially distributed with each first cylinder (15) are also arranged in the processing box (13);
the fixed clamping structure (19) and the movable clamping structure (22) comprise second air cylinders, and the output ends of the second air cylinders are fixedly connected with clamping plates;
the raw material box (18) comprises a coating box (181), one side, far away from the conveying mechanism (20), of the coating box (181) is fixedly connected with a storage box (182), one side, far away from the conveying mechanism (20), of the storage box (182) is fixedly connected with a second screw driver (183) which is vertically distributed, the output end of the second screw driver (183) is provided with a connecting frame (184) which is horizontally arranged, one end, far away from the second screw driver (183), of the connecting frame (184) is in sliding connection with the inner wall of the storage box (182), and the upper surface of the connecting frame (184) is fixedly connected with a supporting piece (185);
an adhesive box (186) is fixedly connected to the interior of the coating box (181), a trough (187) is arranged in the adhesive box (186), and an expansion structure (188) is arranged at the bottom end of the interior of the trough (187), so that an air supply mechanism connected with the expansion structure (188) is also arranged in the coating box (181);
the upper surface of the adhesive box (186) is provided with an arched part with the same radian as the lower surface of the sealing sheet (11), and a plurality of discharging holes (189) are formed in the arched part;
one end of the processing box (13) facing the cable installation direction is fixedly connected with a fixing frame (131), the lower surface of the fixing frame (131) is fixedly connected with an infrared projection structure (132), and the projection edge of the infrared projection structure (132) on the cable is the same as the edge of the communication groove (9);
the inside of the communication groove (9) in the outer protective layer (6) is provided with a stepped mounting groove, and the edge of the sealing piece (11) is adhered to the upper side of the corresponding mounting groove.
2. The method for manufacturing a composite fireproof cable according to claim 1, characterized in that both ends of the inner protective layer (1) are adhesively connected with the barrier layer (5).
3. The method for manufacturing a composite fireproof cable according to claim 1, wherein the width of the communicating groove (9) is 10-25mm, and the ratio of the arc length of the communicating groove (9) to the circumference of the outer protective layer (6) is (0.2-0.35): 1.
4. the method of manufacturing a composite fire-resistant cable according to claim 1, characterized in that the width of the elastic member (10) is smaller than the width of the communicating groove (9).
5. The method for manufacturing a composite fire-resistant cable according to claim 1, wherein the elastic member (10) is made of elastic rubber.
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| CN113488274A (en) * | 2021-06-15 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Flexible fireproof cable |
| KR20210155917A (en) * | 2020-06-17 | 2021-12-24 | 선용채 | Apparatus of manufacturing copper plate |
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| GB727233A (en) * | 1950-01-18 | 1955-03-30 | Res Engineering Corp | Improvements in or relating to an internal combustion engine and method of operatingthe same |
| JP2010257844A (en) * | 2009-04-27 | 2010-11-11 | Sumitomo Electric Ind Ltd | Manufacturing apparatus of oxide superconducting wire |
| JP2011053503A (en) * | 2009-09-03 | 2011-03-17 | Fuk:Kk | Plate member sticking apparatus |
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| CN114530286A (en) | 2022-05-24 |
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