CN114613536B - Extrusion-preventing ground laying armored cable - Google Patents
Extrusion-preventing ground laying armored cable Download PDFInfo
- Publication number
- CN114613536B CN114613536B CN202210224142.0A CN202210224142A CN114613536B CN 114613536 B CN114613536 B CN 114613536B CN 202210224142 A CN202210224142 A CN 202210224142A CN 114613536 B CN114613536 B CN 114613536B
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- cable
- extrusion
- butt joint
- plate
- cable core
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- 238000001125 extrusion Methods 0.000 claims abstract description 69
- 210000001503 joint Anatomy 0.000 claims abstract description 49
- 230000002265 prevention Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 3
- 230000001681 protective effect Effects 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 210000003195 fascia Anatomy 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- 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
-
- 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
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- 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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses an extrusion-preventing ground laying armored cable, which comprises an armored cable body, a bottom supporting plate, a cable core, a fireproof wrapping layer, a rubber layer, a protective strip, an opposite joint, a mounting groove and a cable joint, wherein the bottom supporting plate is arranged at the lower part of the armored cable body, the cable core is arranged above the middle part of the bottom supporting plate, the fireproof wrapping layer is wrapped outside the cable core, an inclined guide part is arranged outside the lower end of the opposite joint plate, an extrusion sleeve is welded at the upper part of the bottom supporting plate, and an extrusion head is welded at the lower end face of the top protective plate above the extrusion sleeve. This prevent extrudeing ground and lay armoured cable through setting up corresponding compressive structure in the inside of cable, can receive external pressure at the cable after, realizes the protection to the cable core, avoids the cable core to damage, simultaneously, when the cable butt joint, can avoid again receiving external pulling because of the cable, causes the not hard up or the fracture of cable core joint department, is favorable to the stable butt joint of cable.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an extrusion-preventing armored cable laid on the ground.
Background
The armoured cable is mainly applied to a cable which needs to be exposed outside, and the cable can be protected by being provided with a protection structure outside the cable, for example, the application number of a comparison document 1 is: CN201921242201.7, authorized bulletin day: 20200131 a shielding steel tape armoured cable, includes the copper line, the copper line outside parcel has the insulating layer, the insulating layer outside is provided with the filling layer, the inside cavity that is provided with of filling layer, the filling layer outside is provided with around the covering, around the inside fixedly connected with location support frame of covering, around the covering outside is provided with the waterproof layer, the waterproof layer outside is provided with the armoured steel tape, armoured steel tape surface fixedly connected with steel tape support strip, armoured steel tape outside fixedly connected with corrosion protection layer, corrosion protection layer outside fixedly connected with inoxidizing coating, inoxidizing coating outside fixedly connected with pierces-resistant layer. The strength of the cable can be improved through the support frame, the stress of the cable in the vertical direction is increased, but the cable has the following problems when in use:
1. the cable is supported by the three supporting plates, but the outer ends of the supporting plates are not provided with fixed ends, and after the cable is extruded, the outer ends of the supporting plates are lack of supporting points and tend to deviate, so that the cable is extruded, and the compression protection of the cable is not facilitated;
2. meanwhile, when the cables are butted, the corresponding butting structure at the cable joint is lacked, and after the cables are butted, the cable joint is easy to break due to the fact that the cables are pulled by external force.
Disclosure of Invention
The invention aims to provide an extrusion-resistant ground-paved armored cable, which solves the problems that the existing armored cable in the market proposed by the background technology adopts three supporting plates to support the cable, but the outer ends of the supporting plates are not provided with fixed ends, after the cable is extruded, the outer ends of the supporting plates lack supporting points and are prone to shifting, so that the extrusion of the cable is caused, the compression-resistant protection of the cable is not facilitated, meanwhile, when the cable is butted, the corresponding butting structure at the cable joint is lacked, and after the cable is butted, the cable joint is easily broken under the pulling of external force.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an prevent extrudeing ground and lay armoured cable, includes armoured cable body, bottom sprag board, cable core, fire prevention parcel layer, rubber layer, protection strip, to interface, mounting groove and cable joint, the lower part of armoured cable body is equipped with the bottom sprag board, the top at bottom sprag board middle part is equipped with the cable core, the outside parcel of cable core has the fire prevention parcel layer, the both sides of bottom sprag board all weld and have the lateral part layer board, the inboard top of lateral part layer board is equipped with the top backplate, the bottom sprag board with the outside parcel of lateral part layer board has the rubber layer, the rubber layer up end at armoured cable body top is equipped with the protection strip, the interface has been seted up to one side of armoured cable body, the interface is equipped with cable joint to the cable core outer end at interface middle part, the both ends of armoured cable body opposite side all are equipped with the butt joint board that sets up with the interface cooperation, the outside of butt joint board lower extreme is equipped with the guide part of slope form, 2 the inboard the cable core outer end at armoured cable body middle part is equipped with the cable joint, the upper portion of bottom sprag board has the extrusion cover, extrusion cover has the extrusion pressure head.
Further, one side of the side supporting plate, which is close to the extrusion sleeve, is an inclined end surface, the width of the upper part of the side supporting plate is smaller than that of the lower part of the side supporting plate, and the distance between the upper parts of the 2 side supporting plates is equal to the distance between the two end points of the top protecting plate.
Further, the shape of top backplate is the both ends to the curved circular arc structure of lateral part layer board, the section of two extrusion heads of top backplate lower part is the circular cone structure of inversion, extrusion groove with extrusion head cooperation setting is seted up to extrusion cover up end directly under the extrusion head, the span at extrusion groove middle part is less than the width at extrusion head middle part.
Further, the lower part of the extrusion sleeve is penetrated and provided with a horizontally arranged opening, the inside of the opening is penetrated and provided with a connecting sheet, the connecting sheet is positioned at one end upper part of the butt joint opening and welded with a limit column, and the connecting sheet is positioned at one end of the butt joint plate and provided with a butt joint hole in butt joint with the limit column.
Further, deflection grooves are formed in two sides of the upper portion of the limiting column, the inner sides of the deflection grooves are connected with the upper portions of limiting blocks through rotating shafts, second springs are arranged between the lower portions of the inner sides of the limiting blocks and the deflection grooves, and guide grooves for limiting sliding of the limiting blocks are formed in the upper end faces of the connecting pieces on two sides of the butt joint holes.
Further, a side portion top block is arranged at the opening of the inner side wall of the butt joint port, the inner side of the side portion top block is located in the offset groove of the inner side wall of the butt joint port, and a first spring is arranged between the side portion top block and the offset groove.
Further, the bottom of the bottom support plate on both sides of the cable core is welded with a connecting sleeve, the bottom of the inner side of the connecting sleeve is provided with a lower support column, and the top end of the lower support column is integrally formed with a spherical expansion head.
Further, the upper support column of vertical setting is welded to the guard plate lower extreme of adapter sleeve top, the lower extreme integrated into one piece of upper support column has two expansion pieces, and two minimum distance between the expansion piece is less than the sphere diameter of expansion head.
Further, the mounting groove is formed in the upper portion of the side of the butt joint, the fixing hole is formed in the upper end face of the mounting groove, the upper portion of the mounting groove is connected with the protection plate through the fixing hole in a screw mode, and the protection bar is arranged at the upper end of the protection plate.
Compared with the prior art, the invention has the beneficial effects that: according to the extrusion-preventing ground laying armored cable, the corresponding compression-resisting structure is arranged in the cable, so that the cable core can be protected after the cable is subjected to external pressure, the cable core is prevented from being damaged, meanwhile, when the cable is in butt joint, the cable core joint is prevented from loosening or breaking due to the fact that the cable is pulled by the outside, and stable butt joint of the cable is facilitated;
1. the two sides of the bottom supporting plate are provided with the side supporting plates, so that when the armored cable body is subjected to external pressure, the inclined planes on the inner sides of the side supporting plates can support the two sides of the top protecting plate, meanwhile, the middle part of the bottom supporting plate is provided with two extrusion sleeves, the extrusion groove at the top of each extrusion sleeve is used for supporting the extrusion head at the lower part of the top protecting plate, the inner wall of each extrusion groove is gradually propped against the extrusion head when the extrusion head gradually moves downwards, and further, the compression of the top protecting plate to the cable core is avoided, and the compression protection to the cable core is realized;
2. the butt joint is formed in one side of the armored cable body, the purpose of butt joint with the butt joint plate on the other armored cable body is achieved, meanwhile, the butt joint position of the two armored cable bodies is limited through the connecting pieces, when the armored cable bodies are subjected to external tensile force, the cable joints at the butt joint positions of the two armored cable bodies can be prevented from being damaged by butt joint of the two connecting pieces, stable butt joint of the armored cable bodies is facilitated, meanwhile, the movable side jacking blocks are arranged at the inner wall of the butt joint, bending of a certain angle can be achieved at the butt joint position of the armored cable bodies in the process of butt joint of the armored cable bodies, and bending and laying of the armored cable bodies can be achieved;
3. the lower part of the protection plate is provided with an upper support column, the lower end of the upper support column is provided with an expansion piece, the expansion piece and the extrusion expansion head are connected in a matched manner with the expansion head inside the connecting sleeve on the bottom support plate, and when the protection plate is extruded, the expansion piece and the extrusion expansion head at the lower end of the upper support column are limited through the connecting sleeve, so that the support of the protection plate is realized.
Drawings
Fig. 1 is a schematic sectional view of an armored cable body of an anti-extrusion ground laying armored cable;
fig. 2 is a schematic top view of an armored cable body of the extrusion-proof ground-laid armored cable of the present invention;
fig. 3 is a schematic right-side view of an armored cable body for preventing extrusion and laying of an armored cable;
fig. 4 is a schematic diagram of an enlarged structure of a point a in fig. 2 of an extrusion-proof ground-laid armored cable according to the present invention;
fig. 5 is a schematic left-view structural diagram of an armored cable body for preventing extrusion and laying of an armored cable on the ground;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3 at point B of an anti-extrusion ground laying armored cable in accordance with the present invention;
fig. 7 is an enlarged schematic view of the structure of the extrusion-proof ground-laid armored cable of fig. 3 at point C;
fig. 8 is an enlarged schematic view of the structure of point D in fig. 5 of an extrusion-resistant ground-laid armored cable in accordance with the present invention;
fig. 9 is a schematic top view of an armoured cable body splicing state protection plate for an extrusion-proof ground-paved armoured cable;
fig. 10 is a schematic diagram of a splicing state of a cable body of an extrusion-proof ground-paved armored cable against an internal top view structure of an interface.
In the figure: 1. an armored cable body; 2. a bottom support plate; 3. a cable core; 4. a fire protection wrapping layer; 5. a side support plate; 6. a top guard plate; 7. an extrusion head; 8. extruding the sleeve; 9. an extrusion groove; 10. opening holes; 11. a connecting sheet; 12. a rubber layer; 13. a guard bar; 14. an interface; 15. a mounting groove; 16. a fixing hole; 17. a side roof block; 18. connecting sleeves; 19. an expansion head; 20. a cable joint; 21. a lower support column; 22. a limit column; 23. a protection plate; 24. an abutting plate; 25. an upper support column; 26. a butt joint hole; 27. an offset slot; 28. a first spring; 29. a guide groove; 30. a guide part; 31. a deflection tank; 32. a limiting block; 33. a rotating shaft; 34. a second spring; 35. an expansion piece.
Detailed Description
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.
As shown in fig. 1;
example 1
An extrusion-preventing ground laying armored cable comprises an armored cable body 1, wherein the lower part of the armored cable body 1 is provided with a bottom supporting plate 2, a cable core 3 is arranged above the middle part of the bottom supporting plate 2, the outside of the cable core 3 is wrapped with a fireproof wrapping layer 4, both sides of the bottom supporting plate 2 are welded with side supporting plates 5, the upper part of the inner side of the side supporting plates 5 is provided with a top protecting plate 6, the outer sides of the bottom supporting plate 2 and the side supporting plates 5 are wrapped with a rubber layer 12, the upper end surface of the rubber layer 12 at the top of the armored cable body 1 is provided with a protecting strip 13, one side of the armored cable body 1 is provided with an opposite interface 14, the outer end of the cable core 3 in the middle part of the opposite interface 14 is provided with a cable joint 20, both ends of the other side of the armored cable body 1 are provided with opposite joint plates 24 matched with the opposite interface 14, the outside of butt plate 24 lower extreme is equipped with the guide part 30 of slope form, the cable core 3 outer end at 2 armor cable body 1 middle part in the inboard butt plate 24 is equipped with cable joint 20, the upper portion welding of bottom support plate 2 has extrusion cover 8, the top backplate 6 lower terminal surface welding of extrusion cover 8 top has extrusion head 7, the side fascia 5 is the inclined terminal surface near one side of extrusion cover 8, the width of side fascia 5 upper portion is less than its lower part's width, the distance between 2 side fascia 5 upper portions equals the distance between the two extreme points of top backplate 6, the shape of top backplate 6 is the circular-arc structure that both ends crooked to side fascia 5, the section of two extrusion heads 7 of top backplate 6 lower part is the circular cone structure of inversion, extrusion groove 9 that cooperates the setting with extrusion head 7 is seted up to extrusion cover 8 up on the upper end of extrusion cover 7 under the extrusion head 7, the span in the middle part of extrusion groove 9 is less than the width in the middle part of extrusion head 7, through setting up the side fascia 5, the extrusion sleeve 8 and the extrusion head 7 at the lower part of the top guard plate 6 can realize the support to the top guard plate 6, avoid the top guard plate 6 to press the cable core 3, and are beneficial to the compression protection of the cable core 3.
As shown in fig. 1-6 and 8-10;
example 2
Unlike the embodiment 1, the lower part of the extrusion sleeve 8 is penetrated and provided with the horizontally arranged opening 10, the inside of the opening 10 is penetrated and provided with the connecting sheet 11, the upper part of one end of the connecting sheet 11, which is positioned at the butt joint 14, is welded with the limit post 22, one end of the connecting sheet 11, which is positioned at the butt joint plate 24, is provided with the butt joint hole 26 which is in butt joint with the limit post 22, the two sides of the upper part of the limit post 22 are provided with the deflection groove 31, the inner side of the deflection groove 31 is connected with the upper part of the limit block 32 through the rotating shaft 33, the second spring 34 is arranged between the lower part of the inner side of the limit block 32 and the deflection groove 31, the upper end surface of the connecting sheet 11 at the two sides of the butt joint hole 26 is provided with the guide groove (29) which slides and limits the limit block 32, the upper part of the side of the butt joint 14 is provided with the mounting groove 15, the upper end surface of the mounting groove 15 is provided with the fixing hole 16, the top of mounting groove 15 passes through fixed orifices 16 and guard plate 23 screw connection, the upper end of guard plate 23 is equipped with protection bar 13, be equipped with lateral part kicking block 17 to the inside wall opening part of interface 14, the inboard of lateral part kicking block 17 is located the skew inslot 27 to the interface 14 inside wall, be equipped with first spring 28 between lateral part kicking block 17 and the skew inslot 27, through setting up the connection piece 11 that runs through armoured cable body 1, can realize the tensile protection to armoured cable body 1 butt joint department when butt joint armoured cable body 1, avoid the looseness of armoured cable body 1 butt joint department cable joint 20, combine simultaneously to the inboard lateral part kicking block 17 of interface 14, can keep certain bent angle after armoured cable body 1 butt joint, avoid the disconnection of armoured cable body 1 joint department and make things convenient for the laying of armoured cable body 1 at certain bent angle.
As shown in fig. 2-3 and 7;
example 3
Different from embodiment 1, the bottom of the bottom support plate 2 at two sides of the cable core 3 is welded with the connecting sleeve 18, the bottom of the inner side of the connecting sleeve 18 is provided with the lower support column 21, the top end of the lower support column 21 is integrally formed with the spherical expansion head 19, the lower end of the protection plate 23 above the connecting sleeve 18 is welded with the vertically arranged upper support column 25, the lower end of the upper support column 25 is integrally formed with the two expansion pieces 35, the minimum distance between the two expansion pieces 35 is smaller than the sphere diameter of the expansion head 19, through the arrangement of the expansion head 19 inside the connecting sleeve 18, the expansion pieces 35 on the upper support column 25 at the lower part of the protection plate 23 can be supported when the protection plate 23 moves downwards under the stress, and the support of the protection plate 23 can be realized through the limit of the inner wall of the connecting sleeve 18 to the expansion pieces 35, so that the protection plate 23 is prevented from crushing the cable connector 20 below the protection plate 23.
Working principle: when the extrusion-proof ground laying armored cable is used, as shown in fig. 1-10, firstly, the abutting plate 24 at one end of the first armored cable body 1 is put into the abutting joint 14 at one end of the other armored cable body 1, the side jacking block 17 on the inner wall of the abutting joint 14 is contacted with the abutting plate 24, at this time, as shown in fig. 4 and 6, the cable cores 3 on the two armored cable bodies 1 are abutted through the cable joint 20, then the abutting hole 26 on the connecting piece 11 at the outer end of the second armored cable body 1 is sleeved on the limiting post 22 on the connecting piece 11 at the outer end of the first armored cable body 1, the abutting hole 26 is pressed, the limiting block 32 on the abutting post 22 is extruded, the limiting block 32 is rotated through the rotating shaft 33 after being extruded, and the second spring 34 at the rear side of the limiting block 32 is extruded, after the limiting block 32 completely enters the deflection groove 31, the butt joint hole 26 can be moved downwards to the lower part of the limiting block 32, at the moment, the limiting block 32 is driven by the second spring 34 to reset and rotate through the rotating shaft 33 and enters the guide groove (29) at the outer side of the butt joint hole 26 to realize the butt joint of the connecting pieces 11 at the outer ends of the two armored cable bodies 1, then, as shown in fig. 3 and 9, the protection plate 23 is placed into the mounting groove 15 above the butt joint 14, the expansion piece 35 at the bottom end of the supporting column 25 at the upper part below the protection plate 23 is inserted into the connecting sleeve 18, the ends of the two expansion pieces 35 are separated by the expansion head 19 in the connecting sleeve 18, finally, the protection plate 23 is fixed through the fixing hole 16 on the mounting groove 15, and then, the rest armored cable bodies 1 are butt-jointed according to the same steps;
as shown in fig. 1, when the armored cable body 1 is extruded from the outside, the top guard plate 6 moves downwards, two ends of the top guard plate 6 gradually push against the side parts of the side supporting plates 5, meanwhile, the extrusion head 7 on the inner side of the top guard plate 6 also gradually pushes against the extrusion groove 9 on the inner side of the extrusion sleeve 8, so that the top guard plate 6 is supported, meanwhile, the guard plate 23 drives the upper supporting column 25 below the guard plate 23 to move downwards under the pressure, and after the two expansion sheets 35 on the lower end of the upper supporting column 25 are contacted with the expansion heads 19 and the inner wall of the connecting sleeve 18, the support of the guard plate 23 is realized.
It should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to the directions or positions based on the directions or positions shown in the drawings, and are merely for convenience in describing the present invention, and are not intended to indicate or imply that the apparatus or element referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the protection of the present invention, standard parts used in the present invention may be purchased from the market, special parts may be customized according to the descriptions of the specification and the drawings, and the specific connection manners of the parts may be conventional manners in the prior art, such as bolts, rivets, welding, etc., and the mechanical, part and apparatus are conventional manners in the prior art, and the circuit connection is also conventional manners in the prior art, which are not further described herein.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and other modifications within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides an prevent extrudeing ground and lay armoured cable, includes armoured cable body (1), bottom support board (2), cable core (3), fire prevention parcel layer (4), rubber layer (12), protection strip (13), interface (14), mounting groove (15) and cable joint (20), its characterized in that: the lower part of armoured cable body (1) is equipped with bottom support plate (2), the top at bottom support plate (2) middle part is equipped with cable core (3), the outside parcel of cable core (3) has fire prevention parcel layer (4), the both sides of bottom support plate (2) all weld lateral part layer board (5), the inboard top of lateral part layer board (5) is equipped with top backplate (6), bottom support plate (2) with the outside parcel of lateral part layer board (5) has rubber layer (12), the up end of rubber layer (12) at armoured cable body (1) top is equipped with protection strip (13), butt joint (14) have been seted up to one side of armoured cable body (1), the cable core (3) outer end at butt joint (14) middle part is equipped with cable joint (20), the both ends of armoured cable body (1) opposite side all are equipped with butt joint plate (24) that cooperate the butt joint (14) set up, the outside of butt plate (24) lower extreme is equipped with guiding part (30) of slope form, 2 the inside cable core (1) the cable core (3) of butt joint (24) has extrusion joint (8), the utility model discloses a top backplate (6) lower terminal surface welding of extrusion cover (8) top has extrusion head (7), lateral part layer board (5) are close to one side of extrusion cover (8) is the slope terminal surface, the width on lateral part layer board (5) upper portion is less than the width of its lower part, 2 distance between lateral part layer board (5) upper portion equals distance between top backplate (6) both ends, the shape of top backplate (6) is both ends to the circular-arc structure of lateral part layer board (5) bending, the section of two extrusion heads (7) of top backplate (6) lower part is the circular-cone structure of inversion, extrusion groove (9) with extrusion head (7) cooperation setting are seted up to extrusion cover (8) up end under extrusion head (7), the span at extrusion groove (9) middle part is less than the width at extrusion head (7) middle part.
2. An extrusion-resistant ground-laid armored cable as claimed in claim 1, wherein: the lower part of extrusion cover (8) runs through and has seted up trompil (10) that the level set up, connection piece (11) have been worn to the inside of trompil (10), connection piece (11) are located limit post (22) have been welded on the upper portion of one end of docking port (14), connection piece (11) are located docking hole (26) with limit post (22) butt joint have been seted up to one end of docking plate (24).
3. An extrusion-resistant ground-laid armored cable as claimed in claim 2, wherein: deflection grooves (31) are formed in two sides of the upper portion of the limiting column (22), the inner sides of the deflection grooves (31) are connected with the upper portions of limiting blocks (32) through rotating shafts (33), second springs (34) are arranged between the lower portions of the inner sides of the limiting blocks (32) and the deflection grooves (31), and guide grooves (29) for limiting sliding of the limiting blocks (32) are formed in the upper end faces of connecting pieces (11) on two sides of the butt joint holes (26).
4. An extrusion-resistant ground-laid armored cable as claimed in claim 1, wherein: the side portion ejector block (17) is arranged at the opening of the inner side wall of the butt joint opening (14), the inner side of the side portion ejector block (17) is located in the offset groove (27) of the inner side wall of the butt joint opening (14), and a first spring (28) is arranged between the side portion ejector block (17) and the offset groove (27).
5. An extrusion-resistant ground-laid armored cable as claimed in claim 1, wherein: the cable core is characterized in that connecting sleeves (18) are welded at the bottoms of the bottom supporting plates (2) on two sides of the cable core (3), lower supporting columns (21) are arranged at the bottoms of the inner sides of the connecting sleeves (18), and spherical expansion heads (19) are integrally formed at the top ends of the lower supporting columns (21).
6. An extrusion-resistant ground-laying armored cable as claimed in claim 5, wherein: the upper support column (25) is welded at the lower end of the protection plate (23) above the connecting sleeve (18), two expansion pieces (35) are integrally formed at the lower end of the upper support column (25), and the minimum distance between the two expansion pieces (35) is smaller than the sphere diameter of the expansion head (19).
7. An extrusion-resistant ground-laid armored cable as claimed in claim 1, wherein: the upper portion of interface (14) avris has seted up mounting groove (15), fixed orifices (16) have been seted up to the up end of mounting groove (15), the top of mounting groove (15) is passed through fixed orifices (16) and guard plate (23) screw connection, the upper end of guard plate (23) is equipped with protection strip (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210224142.0A CN114613536B (en) | 2022-03-09 | 2022-03-09 | Extrusion-preventing ground laying armored cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210224142.0A CN114613536B (en) | 2022-03-09 | 2022-03-09 | Extrusion-preventing ground laying armored cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114613536A CN114613536A (en) | 2022-06-10 |
| CN114613536B true CN114613536B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210224142.0A Active CN114613536B (en) | 2022-03-09 | 2022-03-09 | Extrusion-preventing ground laying armored cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1336363A (en) * | 1972-04-26 | 1973-11-07 | Hve Thermoduct Ltd | Armoured cables |
| CN111696710A (en) * | 2020-07-03 | 2020-09-22 | 吴孝杰 | Municipal construction is with heat-resisting type cable and supporting cable support that prevents frostbite of easily laying |
| CN111755158A (en) * | 2020-08-06 | 2020-10-09 | 安徽环宇电缆集团有限公司 | Wind power station trades stand wear and tear cable |
| CN111968783A (en) * | 2020-07-15 | 2020-11-20 | 郭严成 | Corrosion-resistant anti-distortion power cable for wind power generation |
| CN112201396A (en) * | 2020-09-25 | 2021-01-08 | 刘丽丽 | Resistance to compression type underground cable and laying device thereof |
-
2022
- 2022-03-09 CN CN202210224142.0A patent/CN114613536B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1336363A (en) * | 1972-04-26 | 1973-11-07 | Hve Thermoduct Ltd | Armoured cables |
| CN111696710A (en) * | 2020-07-03 | 2020-09-22 | 吴孝杰 | Municipal construction is with heat-resisting type cable and supporting cable support that prevents frostbite of easily laying |
| CN111968783A (en) * | 2020-07-15 | 2020-11-20 | 郭严成 | Corrosion-resistant anti-distortion power cable for wind power generation |
| CN111755158A (en) * | 2020-08-06 | 2020-10-09 | 安徽环宇电缆集团有限公司 | Wind power station trades stand wear and tear cable |
| CN112201396A (en) * | 2020-09-25 | 2021-01-08 | 刘丽丽 | Resistance to compression type underground cable and laying device thereof |
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| Publication number | Publication date |
|---|---|
| CN114613536A (en) | 2022-06-10 |
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Effective date of registration: 20231206 Address after: 510000 Zhuyuantai, Southwest Village, Xiancun Town, Zengcheng District, Guangzhou City, Guangdong Province Applicant after: Nanwang Cable (Guangzhou) Co.,Ltd. Address before: 221000 Guosheng logistics park, Jiawang District, Xuzhou City, Jiangsu Province Applicant before: Lu Yan |
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