CN112201396A - Resistance to compression type underground cable and laying device thereof - Google Patents
Resistance to compression type underground cable and laying device thereof Download PDFInfo
- Publication number
- CN112201396A CN112201396A CN202011024417.3A CN202011024417A CN112201396A CN 112201396 A CN112201396 A CN 112201396A CN 202011024417 A CN202011024417 A CN 202011024417A CN 112201396 A CN112201396 A CN 112201396A
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- Prior art keywords
- underground cable
- cable
- card
- laying device
- layer
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a compression-resistant underground cable and a laying device thereof, and the compression-resistant underground cable comprises an underground cable body, a cable core, an insulating layer, a filling layer, a metal armor layer, a laying device and a rotating shaft, wherein the cable core is arranged at the center of the underground cable body, the insulating layer made of rubber is arranged on the outer side of the cable core, the metal armor layer is wrapped on the outer side of the insulating layer, guide grooves are formed in the front side and the rear side of the upper end surface of a fixed seat, guide blocks are connected inside the guide grooves in a sliding mode, and screwing screws are connected to the upper portions of the guide blocks in a threaded mode. This resistance to compression type underground cable and laying device thereof through the improvement to current cable structure, can improve the resistance to compression effect of cable, avoids underground cable to receive the extrusion of external force and take place to damage after laying, and through corresponding laying structure, can carry out further protection to underground cable's department of succession, avoids underground cable's department of succession to receive external force and damages to and tensile damage.
Description
Technical Field
The invention relates to the technical field of underground cables, in particular to a compression-resistant underground cable and a laying device thereof.
Background
A cable, a power connection component commonly used in electrical equipment, is generally made of several or several groups of wires, and can be classified into underground cables, outdoor cables, indoor cables, and the like according to installation environments. They are composed of single or multi-strand wires and insulating layers, and are mainly used for connecting circuits, electric appliances, and the like. When laying underground cable, generally lay underground cable through the mounting bracket in digging in advance lay the hole can, because the length of every roll of cable is limited, consequently, need dock many rolls of underground cable, after the butt joint finishes, need protect underground cable's butt joint department to avoid underground cable to receive the emergence of damage or short circuit condition.
However, the existing underground cable has the following problems when in use:
1. due to the particularity of the laying environment of the underground cable, compared with other common cables, the underground cable needs to have certain pressure resistance so as to avoid the problem that the underground cable is extruded by external force to be damaged after being laid;
2. after the underground cable is laid, the length of the cable is limited, and after the underground cable is in butt joint, the butt joint point of the cable needs to be protected, so that damage to the butt joint position of the cable caused by external force and stretching influence on the butt joint position of the underground cable are avoided.
Disclosure of Invention
The invention aims to provide a compression-resistant underground cable and a laying device thereof, aiming at solving the problems that the existing underground cable in the market proposed by the background technology needs a certain compression resistance compared with other common cables due to the particularity of the laying environment of the underground cable, so that the underground cable is prevented from being damaged due to the extrusion of external force after being laid, and the butt joint of the underground cable needs to be protected after the butt joint of the underground cable due to the limited length of the cable after being laid, so that the butt joint of the underground cable is prevented from being damaged due to the external force and the stretching influence on the butt joint of the underground cable is avoided.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a resistance to compression type underground cable and laying device thereof, includes underground cable body, cable core, insulating layer, filling layer, metal armour layer, laying device and axis of rotation, its characterized in that: the utility model discloses an underground cable, including underground cable body, metal armor layer, filling layer and packing layer, the central point of underground cable body is provided with the cable core, and the outside of cable core is provided with the insulating layer of rubber material, the outside parcel of insulating layer has metal armor layer, and the outside winding of metal armor layer has the filling layer of insulating material to the outside parcel of filling layer has 3 anti preforming, the outside winding of anti preforming has the parcel layer, and the outside parcel of parcel layer has the cable sheath of rubber material.
Preferably, the anti-pressing piece is of an arc-shaped structure, the anti-pressing piece is made of stainless steel metal, and penetrating holes are uniformly formed in the anti-pressing piece.
Preferably, one side welding of anti preforming inner wall has spacing card strip, and the shape structure of spacing card strip is circular-arc structure to spacing card strip outer end is greater than the thickness of anti preforming outer end with the distance between the resistance to compression piece inner wall.
Preferably, the uniform body shaping in both ends has banding spacing sand grip about the cable sheath, and the length of spacing sand grip is the same with the length of underground cable body.
The utility model provides a resistance to compression type underground cable laying device, laying device's lower extreme is provided with the fixing base, and the both sides of fixing base top are provided with the first card cover of slidable and second card cover respectively to the guide block of "T" structure is all welded to the lower extreme of first card cover and second card cover, the guide way has all been seted up to both sides around the fixing base up end, and the inside sliding connection of guide way has the guide block, and the upper portion threaded connection of guide block has the screw of screwing.
Preferably, all weld between 2 first card covers in laying device both sides and 2 second card covers the side backplate, and the top of side backplate and the top of first card cover and the top looks parallel and level of second card cover.
Preferably, the groove of accomodating has all been seted up to the inboard of first card cover and second card cover, and the inside of accomodating the groove is provided with places the chucking clamp to the upper portion corner of chucking clamp is connected with the groove of accomodating through the axis of rotation, and the chucking clamp uses the axis of rotation as rotation center simultaneously, the bottom spacing groove has all been seted up to the bottom of first card cover and second card cover, and the sum of the length of first card cover and second card cover bottom spacing groove is the same with the width of spacing sand grip.
Preferably, a top limiting groove is formed in the inner side of the upper end of the clamping clamp, and a spring is arranged between the lower end of the clamping clamp and the accommodating groove.
Preferably, the lower end of the side guard plate is connected with the upper end face of the laying device, and the side guard plate moves horizontally along with the first clamping cover and the second clamping cover.
Compared with the prior art, the invention has the beneficial effects that: according to the compression-resistant underground cable and the laying device thereof, the compression-resistant effect of the cable can be improved by improving the existing cable structure, the underground cable is prevented from being damaged by extrusion of external force after being laid, and the connection part of the underground cable can be further protected by the corresponding laying structure, so that the connection part of the underground cable is prevented from being damaged by external force and stretching;
1. the anti-compression piece is arranged on the outer side of the cable core in the middle of the underground cable body, the limiting clamping strips are welded on the inner side of the anti-compression piece, the anti-compression piece is clamped outside the cable core end to end through the limiting clamping strips, the cable core can be protected when the underground cable body is pressurized, the cable body can keep certain elastic characteristics, certain buffering and weakening can be performed on extrusion force, meanwhile, through holes are uniformly formed in the anti-compression piece, the anti-compression piece can be in contact with the inside of the underground cable body in a replacement mode, and the distortion of the inside of the underground cable body is avoided;
2. a first clamping cover and a second clamping cover which can slide are arranged on two sides above a fixed seat at the bottom of the laying device respectively, a clamping clamp is arranged in a containing groove inside the first clamping cover and the second clamping cover, the effect of extruding an underground cable body is achieved, a top limiting groove is formed in the inner side of the upper end of the clamping clamp, bottom limiting grooves are formed in the bottom ends of the first clamping cover and the second clamping cover, the effect of being matched and connected with limiting convex strips at the upper end and the lower end of a cable sheath is achieved, and the limiting clamping of the underground cable body is facilitated;
3. all welded the side backplate between 2 first card covers in laying device both sides and between 2 second card covers, the lower extreme of side backplate meets the department with laying device's up end, play when butt joint first card cover and second card cover, drive 2 side backplate and carry out the effect of butt joint, and then carry out the effect of protection to laying device top underground cable body butt joint department, and combine the clamp of first card cover and second card cover tightly, can slow down the tensile influence of external force to underground cable body butt joint department.
Drawings
FIG. 1 is a schematic sectional view of an underground cable body of a pressure-resistant underground cable and a laying device thereof according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a compression-resistant sheet of the compression-resistant underground cable and the laying device thereof;
FIG. 3 is a schematic cross-sectional view of a laying device of the pressure-resistant underground cable and the laying device thereof according to the present invention;
FIG. 4 is a schematic side view of the side guard plate of the pressure-resistant underground cable and the laying device thereof according to the present invention;
FIG. 5 is a schematic top view of a laying device for a pressure-resistant underground cable and a laying device thereof according to the present invention;
FIG. 6 is a schematic side view of a laying device of the pressure-resistant underground cable and the laying device thereof according to the present invention;
fig. 7 is a schematic structural view of the connection state of the underground cable body and the laying device of the pressure-resistant underground cable and the laying device thereof.
In the figure: 1. an underground cable body; 2. a cable core; 3. an insulating layer; 4. a filling layer; 5. resistance to tabletting; 6. limiting clamping strips; 7. a wrapping layer; 8. a cable sheath; 9. limiting convex strips; 10. a metal armor layer; 11. a laying device; 12. a fixed seat; 13. a guide groove; 14. a guide block; 15. screwing the screw tightly; 16. a first card cover; 17. a second card cover; 18. a receiving groove; 19. a rotating shaft; 20. clamping and clamping; 21. a top limiting groove; 22. a spring; 23. a bottom limiting groove; 24. side guard plates; 25. and (6) opening holes.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a compression-resistant underground cable comprises an underground cable body 1, a cable core 2, an insulating layer 3, a filling layer 4, compression-resistant sheets 5, a limiting clamping strip 6, a wrapping layer 7, a cable sheath 8, a limiting convex strip 9, a metal armor layer 10, a laying device 11, a fixing seat 12, a guide groove 13, a guide block 14, a screwing screw 15, a first clamping cover 16, a second clamping cover 17, a containing groove 18, a rotating shaft 19, a clamping clamp 20, a top limiting groove 21, a spring 22, a bottom limiting groove 23, a side guard plate 24 and an opening 25, wherein the cable core 2 is arranged at the central part of the underground cable body 1, the insulating layer 3 made of rubber materials is arranged on the outer side of the cable core 2, the metal armor layer 10 is wrapped on the outer side of the insulating layer 3, the filling layer 4 made of insulating materials is wrapped on the outer side of the metal armor layer 10, 3 compression-resistant sheets 5 are wrapped on the outer side of the filling layer 4, and the wrapping layer 7 is wrapped on the outer side of the compression, and the outer side of the wrapping layer 7 is wrapped with a cable sheath 8 made of rubber.
Anti preforming 5's shape structure is circular-arc structure, and the material of resistance to compression piece 5 is stainless steel metal material, and evenly set up the trompil 25 that runs through on the anti preforming 5, the welding of one side of resistance to compression piece 5 inner wall has spacing calorie of strip 6, and the shape structure of spacing calorie of strip 6 is circular-arc structure, and the distance between 6 outer ends of spacing calorie of strip and the resistance to compression piece 5 inner wall is greater than the thickness of resistance to compression piece 5 outer end, set up like this and play the external pressure to underground cable body 1 that slows down, be favorable to carrying out the resistance to compression protection to underground cable body 1.
The equal integrated into one piece in both ends has banding spacing sand grip 9 about cable sheath 8, and the length of spacing sand grip 9 is the same with underground cable body 1's length, sets up like this and plays the effect of being connected with top spacing groove 21 and bottom spacing groove 23, is favorable to avoiding underground cable body 1's distortion to underground cable body 1's spacing chucking.
The utility model provides a resistance to compression type underground cable laying device, laying device 11's lower extreme is provided with fixing base 12, and the both sides of fixing base 12 top are provided with the first card cover 16 of slidable and second card cover 17 respectively, and the guide block 14 of falling "T" structure is all welded to the lower extreme of first card cover 16 and second card cover 17, guide way 13 has all been seted up to both sides around the fixing base 12 up end, and the inside sliding connection of guide way 13 has guide block 14, and the upper portion threaded connection of guide block 14 has screw 15 of screwing.
Side guard plates 24 are welded between 2 first card covers 16 and between 2 second card covers 17 on two sides of the laying device 11, the top ends of the side guard plates 24 are flush with the top ends of the first card covers 16 and the top ends of the second card covers 17, the inner sides of the first card covers 16 and the second card covers 17 are respectively provided with a containing groove 18, a clamping clamp 20 is arranged in the containing groove 18, the upper corner of the clamping clamp 20 is connected with the containing groove 18 through a rotating shaft 19, the clamping clamp 20 takes the rotating shaft 19 as a rotating center, the bottom limiting grooves 23 are respectively arranged at the bottom ends of the first card covers 16 and the second card covers 17, the sum of the lengths of the bottom limiting grooves 23 of the first card covers 16 and the second card covers 17 is the same as the width of the limiting convex strips 9, the top limiting grooves 21 are arranged on the inner side of the upper ends of the clamping clamp 20, springs 22 are arranged between the lower ends of the clamping clamps 20 and the containing grooves 18, and the laying device is used for positioning the underground cable body 1, is beneficial to fixing the underground cable body 1.
The department that meets of the lower extreme of side backplate 24 and laying device 11, and side backplate 24 follows first card cover 16 and second card cover 17 and carries out horizontal migration, sets up like this and plays the effect of protecting the junction of underground cable body 1, avoids the junction of cable to receive external force to damage.
The working principle is as follows: when the pressure-resistant underground cable laying device is used, as shown in fig. 3, firstly the laying device 11 is fixed in a pit where an underground cable body 1 to be installed is laid by bolts, after a plurality of laying devices 11 are fixed, as shown in fig. 1-3 and 5, a first clamping cover 16 on one side above the laying device 11 moves in a guide groove 13 through a guide block 14, after the first clamping cover 16 moves to a proper position, a screwing screw 15 on the guide block 14 on the lower part of the first clamping cover 16 is screwed, at this time, the first clamping cover 16 is fixed, then, as shown in fig. 3-4 and 7, the underground cable body 1 is firstly placed in the inner side of the first clamping cover 16, and the limiting convex strips 9 on the upper end and the lower end of an external cable sheath 8 of the underground cable body 1 respectively correspond to a top limiting groove 21 on the top of a clamping clamp 20 and a bottom limiting groove 23 on the bottom of the first clamping cover 16, then, the second card cover 17 on one side above the laying device 11 moves towards one side of the first card cover 16 in the guide groove 13 through the guide block 14, after the second card cover 17 is in butt joint with the first card cover 16, the bottoms of the clamping clamps 20 on the inner sides of the first card cover 16 and the second card cover 17 are extruded and rotate through the rotating shaft 19, the limiting convex strip 9 at the upper end of the cable sheath 8 is clamped by the top limiting groove 21 at the top of the clamping clamp 20, at the moment, the screwing screw 15 on the guide block 14 at the lower part of the first card cover 16 is screwed, so that the clamping of the first card cover 16 and the second card cover 17 on one side above the laying device 11 on the underground cable body 1 can be completed, and then the other end of the wiring position of the underground cable body 1 is clamped in the first card cover 16 and the second card cover 17 on the other side above the laying device 11 according to the same steps;
as shown in fig. 4-7, while the first card cover 16 and the second card cover 17 move, the side protection plates 24 can be driven to move above the laying device 11, and the tops of 2 side protection plates 24 are in close contact, so as to protect the connection position of the underground cable body 1;
as shown in fig. 1-2, when the underground cable body 1 is squeezed from the outside, the compression-resistant sheet 5 is squeezed and is bent and deformed under the separation of the limiting clamping strip 6, and meanwhile, the underground cable body has certain elasticity, so that the cable core 2 inside the underground cable body 1 can be protected from compression.
It should be understood that the terms "central," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, that the present invention is used with reference to the particular orientation or position shown in the drawings, that the standard components used in the present invention are commercially available, that the specific components are custom-made from the specification and drawings, that the specific connections between the various components are made by conventional means such as bolts, rivets, welding, etc., that the machines, components and devices are well known in the art, the conventional model, together with the circuit connections, are conventional in the art and will not be described in detail here.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a resistance to compression type underground cable, includes underground cable body (1), cable core (2), insulating layer (3), filling layer (4), metal armour layer (10), laying device (11) and axis of rotation (19), its characterized in that: the utility model discloses an underground cable, including underground cable body (1), the central point of cable core (2) is provided with cable core (2), and the outside of cable core (2) is provided with insulating layer (3) of rubber material, the outside parcel of insulating layer (3) has metal armor layer (10), and the outside winding of metal armor layer (10) has filling layer (4) of insulating material to the outside parcel of filling layer (4) has 3 anti preforming (5), the outside winding of anti preforming (5) has parcel layer (7), and the outside parcel of parcel layer (7) has cable sheath (8) of rubber material.
2. The pressure-resistant underground cable of claim 1, wherein: the anti-pressing piece (5) is of an arc-shaped structure, the anti-pressing piece (5) is made of stainless steel metal, and penetrating holes (25) are uniformly formed in the anti-pressing piece (5).
3. A pressure resistant underground cable according to claim 2, wherein: one side welding of anti preforming (5) inner wall has spacing card strip (6), and the shape structure of spacing card strip (6) is circular-arc structure to spacing card strip (6) outer end is greater than the thickness of anti preforming (5) outer end with the distance between anti preforming (5) inner wall.
4. The pressure-resistant underground cable of claim 1, wherein: both ends all integrated into one piece has banding spacing sand grip (9) about cable sheath (8), and the length of spacing sand grip (9) is the same with the length of underground cable body (1).
5. The pressure-resistant underground cable laying apparatus according to claim 1, wherein: the lower extreme of laying device (11) is provided with fixing base (12), and the both sides of fixing base (12) top are provided with slidable first card cover (16) and second card cover (17) respectively to the guide block (14) of falling "T" structure are all welded to the lower extreme of first card cover (16) and second card cover (17), guide way (13) have all been seted up to fixing base (12) up end front and back both sides, and the inside sliding connection of guide way (13) has guide block (14), and the upper portion threaded connection of guide block (14) has screw (15) of screwing.
6. The pressure-resistant underground cable of claim 5, wherein: side guard plates (24) are welded between 2 first card covers (16) on two sides of the laying device (11) and between 2 second card covers (17), and the top ends of the side guard plates (24) are flush with the top ends of the first card covers (16) and the top ends of the second card covers (17).
7. The pressure-resistant underground cable of claim 5, wherein: the inboard of first card cover (16) and second card cover (17) has all been seted up and has been accomodate groove (18), and the inside of accomodating groove (18) is provided with places chucking clamp (20) to the upper portion corner of chucking clamp (20) is connected with accomodating groove (18) through axis of rotation (19), and simultaneously chucking clamp (20) use axis of rotation (19) as rotation center, bottom spacing groove (23) have all been seted up to the bottom of first card cover (16) and second card cover (17), and the length sum of first card cover (16) and second card cover (17) bottom spacing groove (23) is the same with the width of spacing sand grip (9).
8. The pressure-resistant underground cable laying apparatus according to claim 6, wherein: a top limiting groove (21) is formed in the inner side of the upper end of the clamping clamp (20), and a spring (22) is arranged between the lower end of the clamping clamp (20) and the accommodating groove (18).
9. The pressure-resistant underground cable laying apparatus according to claim 6, wherein: the lower end of the side protection plate (24) is connected with the upper end face of the laying device (11), and the side protection plate (24) moves horizontally along with the first clamping cover (16) and the second clamping cover (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024417.3A CN112201396A (en) | 2020-09-25 | 2020-09-25 | Resistance to compression type underground cable and laying device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011024417.3A CN112201396A (en) | 2020-09-25 | 2020-09-25 | Resistance to compression type underground cable and laying device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112201396A true CN112201396A (en) | 2021-01-08 |
Family
ID=74006631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011024417.3A Withdrawn CN112201396A (en) | 2020-09-25 | 2020-09-25 | Resistance to compression type underground cable and laying device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112201396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114613536A (en) * | 2022-03-09 | 2022-06-10 | 鲁彦 | Prevent extrudeing ground and lay armoured cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016122637A (en) * | 2014-12-25 | 2016-07-07 | 住友電気工業株式会社 | Power cable |
| CN205920818U (en) * | 2016-07-15 | 2017-02-01 | 江苏东强股份有限公司 | Fixed communication cable that buries with laying |
| CN208489016U (en) * | 2018-07-20 | 2019-02-12 | 安徽纵横新能源有限责任公司 | New-energy automobile electric wire |
| CN209250193U (en) * | 2019-01-10 | 2019-08-13 | 湖南华达工程有限公司 | A kind of tunnel cable bracket |
| CN209625891U (en) * | 2019-05-07 | 2019-11-12 | 天津正标津达线缆集团有限公司 | A kind of heat dissipation enhanced type polyvinyl chloride insulation control cable |
| 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 |
-
2020
- 2020-09-25 CN CN202011024417.3A patent/CN112201396A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016122637A (en) * | 2014-12-25 | 2016-07-07 | 住友電気工業株式会社 | Power cable |
| CN205920818U (en) * | 2016-07-15 | 2017-02-01 | 江苏东强股份有限公司 | Fixed communication cable that buries with laying |
| CN208489016U (en) * | 2018-07-20 | 2019-02-12 | 安徽纵横新能源有限责任公司 | New-energy automobile electric wire |
| CN209250193U (en) * | 2019-01-10 | 2019-08-13 | 湖南华达工程有限公司 | A kind of tunnel cable bracket |
| CN209625891U (en) * | 2019-05-07 | 2019-11-12 | 天津正标津达线缆集团有限公司 | A kind of heat dissipation enhanced type polyvinyl chloride insulation control cable |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114613536A (en) * | 2022-03-09 | 2022-06-10 | 鲁彦 | Prevent extrudeing ground and lay armoured cable |
| CN114613536B (en) * | 2022-03-09 | 2023-12-29 | 南网电缆(广州)有限公司 | Extrusion-preventing ground laying armored cable |
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Application publication date: 20210108 |