CN113363922B - External protection structure for underground high-temperature-resistant and high-voltage-resistant cable - Google Patents
External protection structure for underground high-temperature-resistant and high-voltage-resistant cable Download PDFInfo
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- CN113363922B CN113363922B CN202110777265.2A CN202110777265A CN113363922B CN 113363922 B CN113363922 B CN 113363922B CN 202110777265 A CN202110777265 A CN 202110777265A CN 113363922 B CN113363922 B CN 113363922B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses an external protection structure for an underground high-temperature and high-voltage resistant cable, and relates to the technical field of structures for cables. The bottom plate comprises a bottom plate, a mounting assembly, a positioning assembly and a protection assembly, wherein the positioning assembly comprises a weight box, a balancing weight and a positioning rod, the balancing weight is placed on the inner bottom surface of the weight box at the middle part of the bottom plate, the positioning rod is movably connected to the lower middle parts of two sides of the weight box through limiting plates, the mounting assembly comprises support plates, support blocks and a plurality of template plates, sliding grooves are formed in the middle parts of the inner sides of the support plates at two sides of the bottom plate, the inner ends of sliding blocks in the middle parts of the inner sides of the sliding grooves are connected with the plurality of template plates through the support blocks, arc-shaped positioning frames are connected to two sides of the middle part of the bottom of the plurality of template plates, the protection assembly comprises an outer protection frame and an inner protection block, and protection holes are formed in the middle parts of the inner protection block in a penetrating mode at equal intervals. The invention has the advantages of reducing cost and safety risk and being convenient to use by arranging the mounting assembly, the protection assembly and the positioning assembly.
Description
Technical Field
The invention belongs to the technical field of structures for cables, and particularly relates to an external protection structure for an underground high-temperature and high-pressure resistant cable.
Background
Cable: the cable is made of one or more mutually insulated conductors and an outer-coated insulating protective layer, and is used for transmitting power or information from one place to another place; the other is a cable similar to a rope and formed by twisting a plurality of or a plurality of groups of leads (at least two leads in each group), wherein the leads in each group are mutually insulated and are usually twisted around a center, and the whole outer surface is coated with a highly-insulated covering layer. The cable has the characteristics of internal electrification and external insulation.
Through retrieval, the Chinese granted patent No. CN210404598U, granted public date 2020.04.24, discloses an external protective structure for a conduit, and relates to the technical field of conduits. The novel adjustable clamp comprises a mounting plate, wherein a plurality of mounting holes are formed in the surface of the mounting plate, a support is fixed on one side of the mounting plate, a first clamping plate is fixed at one end of the support, a fixing plate is fixed at the top of the first clamping plate, a rotating shaft is fixed on one side of the fixing plate, a fixing rod is fixed at the bottom of the first clamping plate, a sliding rail is fixed at one end of the fixing rod, a sliding block is connected inside the sliding rail in a sliding mode, a second clamping plate is fixed on one side of the sliding block, an adjusting plate is fixed at the top of the second clamping plate, a threaded pipe is formed in the surface of the adjusting plate, a threaded rod is connected inside the threaded pipe in a threaded mode, one end of the threaded rod is fixedly connected with the inner ring of the rotating shaft, and a handle is fixed at the other end of the threaded rod. The device can protect and support the spool through the action of the first clamping plate and the second clamping plate, prevent the spool from being dragged to the ground, and avoid the surface of the spool from being abraded, so that the service life of the spool is prolonged, and the spool is safer.
However, the following disadvantages still exist in the practical use:
1. the existing cable is generally protected from the underground and outside through an outer pipeline, the cable is intensively placed in the pipeline and is very easy to wind, and if one cable is damaged, the cable and the cable are very easy to damage, so that the safety risk is increased;
2. the existing cable has insufficient support bearing capacity when the underground structure is positioned through the support, and is inconvenient for subsequent disassembly and assembly when the concrete block is used for pouring and positioning.
3. The existing cable is generally subjected to height adjustment during disassembly and assembly through an external lifting device, so that the cost is high and the steps are complex.
Therefore, the existing external protection structure for the underground high-temperature and high-voltage resistant cable cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.
Disclosure of Invention
The invention aims to provide an external protection structure for an underground high-temperature and high-pressure resistant cable, which solves the problems that the existing cable is generally subjected to underground external protection operation through an external pipeline, the cable is intensively placed in the pipeline and is easy to wind, if one cable is damaged, the cable and the cable are easy to damage, and the safety risk is increased.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an external protection structure for underground high-temperature and high-voltage resistant cables, which comprises a bottom plate, a mounting assembly, a positioning assembly and a protection assembly, wherein the positioning assembly comprises a weight box, a balancing weight and a positioning rod, the balancing weight is placed on the inner bottom surface of the weight box at the middle part of the bottom plate, the positioning rods are movably connected to the lower middle parts of two sides of the weight box through limiting plates, the mounting assembly comprises a support plate, a support block and a plurality of plates, a chute is formed in the middle part of the inner side of the support plate at two sides on the bottom plate, the inner end of a sliding block sliding in the middle part of the inner side of the chute is connected with the plurality of plates through the support block, an arc-shaped positioning frame is connected to two sides of the middle part of the bottom of the plurality of plates, the protection assembly comprises an outer protection frame and an inner protection block, protection holes are formed in the middle part of the inner protection block in a penetrating manner at equal intervals, and the inner protection block is connected with guide grooves in the middle parts of the upper end and the lower end in the outer protection frame in a sliding manner through guide block at the middle part of the upper end and the lower end, and both sides of the middle part of the end are connected with movable handles.
Furthermore, the bottom plate is connected with the bottom end of the support plate in a damping mode through the first frames in the middle portions of the two upper sides of the bottom plate, the middle portions of the support plate and the middle portion of the sliding block penetrate through the support plate to be provided with sleeve holes, sleeve columns are sleeved in the middle portions of the sleeve holes, the bottom end of the support plate is connected through the first frames under the damping effect, and the sleeve holes are connected with the sleeve columns in a sleeved mode to position the cable structure after rising.
Furthermore, the end part of the sliding block is in butt connection with the end part in the sliding groove, the middle part of the inner side of the sliding block is connected with a branch pipe, the branch pipe is in socket connection with one end of a support pillar welded to the middle parts of the two sides of the support block, the end part of the sliding block is in butt connection with the end part in the sliding groove, the sliding limiting is carried out on the end part, and the end part is in socket connection with the end part in the sliding groove through the structure between the branch pipe and the support pillar and used for connecting the structure between the support block and the sliding block.
Further, a piece is through fastening bolt and the nearly template of last both sides middle part between threaded connection, and the damping is connected on nearly template both sides bottom surface welded second frame inside wall and extension board, nearly template bottom surface one side middle part is inside sunken setting, carry out nearly template by fastening bolt, the connection of a piece structure between, and through being connected of second frame and extension board upper end structure, the location of structure when carrying out cable junction, be inside sunken setting with nearly template bottom surface one side middle part, be used for its structure lift to accuse.
Further, the weight box comprises side plates and end plates, the side plates are connected between the L-shaped plates of the end parts at two sides and the end plates at the upper and lower parts of the inner sides of the L-shaped plates, the end part of one side outside the L-shaped plate is in threaded through connection with a connecting bolt, the L-shaped plate is connected with the end plate through the connecting bolt, and the side plates and the end plates are connected through the L-shaped plate to form the weight box structure, so that the weight box structure is disassembled and screwed, and the weight box is convenient to disassemble and assemble.
Furthermore, there are stoppers welded on the front and rear ends of the upper part of the weight box, the stoppers are connected with the bottom plate through threads between the limit bolts at the middle parts of the two sides of the bottom and the bottom plate, the weight box is connected with the inner ends of the limit plates through the limit pipes at the middle parts under the two sides in a sleeved manner, the limit bolts are used for connecting the stopper structures, the connection of the weight box structure is performed through the positioned stoppers, and the positioning of the limit plate structure is performed through the limit pipes.
Furthermore, there is a sleeve pipe in the middle part of the front and back ends of the bottom of the limiting plate, and the sleeve pipe bottom is connected with the positioning rod in a sleeved mode between the sleeve rods welded at the middle part, the positioning rod is in a pointed cone shape, and the sleeve pipe and the sleeve rods are connected in a sleeved mode to connect the positioning rod structure, so that the positioning rod structure is in a pointed cone shape, and the positioning rod structure can be conveniently and quickly extended into the ground to be connected and positioned in a cable structure mode.
Further, the fly leaf of bottom front and back swing joint in the weight box is connected with balancing weight surface lower part damping, and is external protruding setting in the middle part directly over the balancing weight, has seted up the catching groove in the middle part directly over the fly leaf, under the damped effect, carries out the spacing fixed of balancing weight structure by the fly leaf, and is external protruding setting in the middle part directly over the balancing weight, has seted up the catching groove in the middle part directly over the fly leaf for the handle control when its structure dismouting.
The invention has the following beneficial effects:
1. the invention has the advantages that the protection component is arranged, the cable is isolated and protected while being externally protected, the effect of reducing the safety risk is achieved, the problem that the underground external protection operation of the existing cable is generally carried out through an outer pipeline, the cable is intensively placed in the pipeline and is easy to wind, if one cable is damaged, the cable and the cable are easy to damage, and the safety risk is increased is solved, the outer protection frame of the protection component is in sliding connection with the inner protection block through the guide block and the guide groove, so that the structure of the inner protection block can be rapidly disassembled and assembled, the middle part of the inner protection block penetrates through the protection hole arranged at equal intervals to carry out the isolated protection operation of the cable, the winding of the inner protection block is avoided, and the damage of other cables caused by the damaged cable is avoided.
2. The positioning component is arranged, so that the effect of secondary utilization of the positioning structure is realized while the structural stability of the cable is realized, the problems that the bearing capacity of the support is insufficient when the underground structure is positioned through the support, and the subsequent disassembly and assembly are inconvenient when the underground structure is positioned through a concrete block in the existing cable are solved.
3. The invention has the advantages that the installation component is arranged, the self height lifting is realized, the external lifting equipment is not needed, the cost is reduced, the use is convenient, the problems of higher cost and complex steps of the existing cable which is generally subjected to height adjustment during the disassembly and the assembly through the external lifting equipment are solved, the support block included by the installation component is connected with the cable structure through the arc-shaped positioning frame, the sliding block connected with the end part of the support block is in sliding connection with the sliding groove in the middle of the inner side of the support plate, the lifting treatment of the arc-shaped positioning frame structure is carried out, the cost caused by the adoption of the external equipment is reduced, and the cable is convenient to use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the external structure connection of the supporting block of the present invention;
FIG. 3 is a schematic view of the positioning assembly of the present invention;
FIG. 4 is a schematic view of the connection between the limiting plate and the positioning rod according to the present invention;
FIG. 5 is a schematic view of the structural connection between the arc-shaped positioning frame and the protection assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the protection assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. mounting the component; 101. a support plate; 102. a chute; 103. a slider; 104. supporting a block; 105. an arc-shaped positioning frame; 106. a table type plate; 2. a positioning assembly; 201. a weight box; 202. a balancing weight; 203. a limiting plate; 204. positioning a rod; 2011. a side plate; 2012. an end plate; 3. a guard assembly; 301. an outer protective frame; 302. an inner protection block; 303. a guide block; 304. a guide groove; 305. a protective aperture; 4. a first frame; 5. trepanning; 6. sleeving a column; 7. a branch pipe; 8. a pillar; 9. fastening a bolt; 10. a second frame; 11. an L-shaped plate; 12. a connecting bolt; 13. a limiting block; 14. a limit bolt; 15. a movable plate; 16. buckling grooves; 17. a limiting pipe; 18. a sleeve; 19. a loop bar; 20. a movable handle; 21. a base plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-6, the present invention is an external protection structure for underground high temperature and high pressure resistant cable, comprising a bottom plate 21, a mounting assembly 1, a positioning assembly 2 and a protection assembly 3, wherein the positioning assembly 2 comprises a weight box 201, a weight block 202 and a positioning rod 204, the weight block 202 is placed on the inner bottom surface of the weight box 201 at the bottom middle part of the bottom plate 21, the positioning rod 204 is movably connected to the lower middle parts at the two sides of the weight box 201 through a limiting plate 203, the mounting assembly 1 comprises a support plate 101, a support block 104 and a plate type 106, the middle part of the inner side of the support plate 101 at the two sides of the bottom plate 21 is provided with a sliding slot 102, the inner end of a sliding block 103 sliding at the middle part of the inner side of the sliding slot 102 is connected to the plate type 106 through the support block 104, the two sides of the middle part at the bottom of the plate type 106 are connected to arc positioning frames 105, the middle part of the arc positioning frames 105 is connected to the protection assembly 3, and the protection assembly 3 comprises an external protection frame 301 and an internal protection block 302, the middle part of the inner protection block 302 is provided with a protection hole 305 in a penetrating way at equal intervals, the inner protection block 302 is connected with the guide groove 304 at the middle part of the upper and lower ends in the outer protection frame 301 in a sliding way through the guide block 303 at the middle part of the upper and lower ends, both sides of the middle part of the end are connected with the movable handles 20, when the cable is protected in the underground, the protective structure is assembled in advance, at the moment, the L-shaped plate 11 structure is connected by the connecting bolt 12, so as to connect the end plate 2012 and the side plate 2011 for the composition of the structure of the weight box 201, the structure of the limit block 13 is connected by the limit bolt 14, the weight box 201 is connected with the bottom plate 21, the counterweight block 202 is arranged at the upper end in the counterweight box 201, the movable plate 15 is used for damping and limiting the structure, the structure of the limit plate 203 is connected through the limit pipe 17, and the positioning rod 204 is connected through the sleeve 18 and the loop bar 19;
at the moment, an inward force is applied to the support plate 101, the first frame 4 is used for connecting the support plate 101 structure and placing the support plate 101 structure at an underground designated position, the counterweight block 202 extends into the ground through self gravity, and under the action of the gravity, the positioning rod 204 extends into the ground, the stability of the device is improved by means of the ground gripping force of the counterweight block, at the moment, an upward force is applied to the support block 104 to enable the support block to move to a designated height, and positioning processing is carried out on the support block through sleeving between the sleeve column 6 and the sleeve hole 5;
at this time, the guide block 303 at the upper and lower part of one end of the inner protection block 302 and the guide groove 304 at the upper and lower part of one end of the outer protection frame 301 are oppositely arranged and applied with inward force, so that the inner protection block 302 extends into the middle part of the outer protection frame 301, cables are placed through the protection holes 305 formed in the middle part at equal intervals, and the structures of the inner protection block and the guide groove are connected through the arc-shaped positioning frame 105 by applying inward force to the outer protection frame 301;
at the moment, an outward force is applied to the sleeve column 6, the sliding block 103 moves downwards in the middle of the inner side of the sliding groove 102 under the action of gravity until the second frames 10 on two sides of the geometric plate 106 are connected with the upper end of the support plate 101 in a sleeved mode, so that the connection and positioning of one end structure of the cable are carried out, and meanwhile, the steps are repeated, and the connection and positioning of the other end structure of the cable are carried out.
As shown in fig. 1-2, the bottom plate 21 is connected with the bottom end of the support plate 101 through the first frame 4 in the middle of the upper side in a damping manner, the middle of the support plate 101 and the middle of the slide block 103 are both provided with a sleeve hole 5 in a penetrating manner, the sleeve column 6 is sleeved in the middle of the sleeve hole 5, under the action of the damping, the support plate 101 is applied with an inward force, the first frame 4 is used for connecting the bottom end structure of the support plate 101, the sleeve column 6 is applied with an inward force, the sleeve hole 5 is connected with the sleeve column 6 in a sleeved manner, the cable structure is positioned after being lifted, and under the application of a reverse action, the cable connection and positioning processing are carried out, the end of the slide block 103 is in butt connection with the inner end of the slide groove 102, the middle of the inner side of the slide block 103 is connected with the branch pipe 7, the branch pipe 7 is in socket connection with one end of the pillar 8 welded in the middle of the two sides of the branch block 104, and the end of the slide block 103 is in butt connection with the inner end of the slide groove 102, the support block 104 is connected with the structures between the support block 104 and the slide block 103 by sleeving the structures between the branch pipe 7 and the support column 8 through applying outward force to the end part of the support block 104 in sequence, the support block 104 is connected with the structures between the support block 104 and the slide block 103 through the sliding of the slide block 103 in the middle part of the slide groove 102 through a screw thread between a fastening bolt 9 at the middle part of the upper side and a plurality of plates 106, the inner side wall of a second frame 10 welded at the bottom surfaces of the two sides of the plurality of plates 106 is connected with the upper end of the support plate 101 in a damping way, the middle part of one side of the bottom surface of the plurality of plates 106 is arranged in an inwards concave way, the fastening bolt 9 is applied with clockwise force to connect the structures between the plurality of plates 106 and the support block 104, the structure can be structurally disassembled by applying reverse acting force, the structure is connected by applying downward force to the plurality of plates 106, the structure at the upper end of the support plate 101 is positioned by the connection of the second frame 10, the middle part of one side of the bottom surface of the plate 106 is arranged in an inward concave way and is used for controlling the lifting of the structure.
As shown in fig. 3-4, the weight box 201 includes a side plate 2011 and an end plate 2012, the side plate 2011 is connected with the end plate 2012 at the upper and lower parts of the inner side of the side plate 11 through the L-shaped plates 11 at the end parts of the two sides, the connecting bolt 12 is connected through a screw thread at the end part of one side of the outer side of the L-shaped plate 11, the connecting bolt 12 applies a clockwise force to connect the L-shaped plate 11 in a structure, the side plate 2011 and the end plate 2012 are connected through the L-shaped plate 11 to form the structure of the weight box 201, the above-mentioned reverse force is applied in a split and screw connection manner for the structural disassembly, the front and rear ends of the upper part of the weight box 201 are welded with the limiting blocks 13, the limiting blocks 13 are connected with the bottom plate 21 through a screw thread at the middle part of the bottom of the two sides, the weight box 201 is connected with the inner ends of the limiting plates 203 through the limiting pipes 17 at the lower middle parts of the two sides in a sleeved manner, and the clockwise force is applied to the limiting bolts 14, the structure of the limiting block 13 is connected, the structure of the weight box 201 is connected through the positioned limiting block 13, the structure of the weight box 201 is disassembled by applying anticlockwise force, the structure of the limit plate 203 is positioned through the limiting pipe 17 by applying inward force to the limit plate 203, the structure of the limit plate 203 is disassembled by applying reverse force, the middle part of the front end and the rear end of the bottom of the limit plate 203 is welded and connected with a sleeve 18, the bottom end of the sleeve 18 is sleeved and connected with a sleeve rod 19 welded on the middle part of the upper part of the locating rod 204, the locating rod 204 is arranged in a pointed cone shape by applying upward force to the locating rod 204, the sleeve 18 and the sleeve rod 19 are sleeved and connected, the structure of the locating rod 204 is connected, so that the locating rod 204 can extend into the ground quickly to perform cable structure connection and positioning, the movable plate 15 movably connected with the front part and the rear part of the inner bottom end of the weight box 201 is connected with the lower part of the outer surface of the weight 202 in a damping way, the middle part of the counterweight 202 is convex outward, the middle part of the movable plate 15 is provided with a buckle groove 16, the movable plate 15 is used for limiting and fixing the structure of the counterweight 202 under the action of damping, the middle part of the counterweight 202 is convex outward, the middle part of the movable plate 15 is provided with the buckle groove 16 for controlling the structure of the counterweight 202 during disassembly and assembly, and meanwhile, the movable plate 15 is movably connected with the counterweight box 201 so as to facilitate the opening and closing operation of the counterweight and be used for loading and unloading the structure of the counterweight 202.
The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.
Claims (6)
1. The utility model provides an outside protective structure for high temperature and high voltage resistant cable in underground, includes bottom plate (21), installation component (1), locating component (2) and protecting component (3), its characterized in that: the positioning assembly (2) comprises a weight box (201), a balancing weight (202) and positioning rods (204), the balancing weight (202) is placed on the inner bottom surface of the weight box (201) in the middle of the bottom plate (21), the lower middle parts of the two sides of the weight box (201) are movably connected with the positioning rods (204) through limiting plates (203), the mounting assembly (1) comprises support plates (101), support blocks (104) and a plurality of plates (106), sliding grooves (102) are formed in the middle of the inner sides of the support plates (101) on the two sides of the bottom plate (21), the inner ends of sliding blocks (103) in the middle of the inner sides of the sliding grooves (102) are connected with the plurality of plates (106) through the support blocks (104), arc positioning frames (105) are connected with the protection assemblies (3) in the middle of the arc positioning frames (105), and the protection assemblies (3) comprise outer protection frames (301) and inner protection blocks (302), the middle part of the inner protection block (302) is provided with protection holes (305) in a penetrating way at equal intervals, the inner protection block (302) is connected with the guide grooves (304) in the middle parts of the upper end and the lower end in the outer protection frame (301) in a sliding way through the guide blocks (303) in the middle parts of the upper end and the lower end, and both sides of the middle part of the end are connected with movable handles (20);
the middle part of the front end and the rear end of the bottom of the limiting plate (203) is welded with a sleeve (18), the bottom end of the sleeve (18) is connected with a sleeve rod (19) welded on the middle part of the positioning rod (204) in a sleeved mode, and the positioning rod (204) is arranged in a pointed cone shape;
the movable plate (15) movably connected with the front and the rear of the inner bottom end of the weight box (201) is connected with the lower part of the outer surface of the counterweight block (202) in a damping mode, the middle of the counterweight block (202) is arranged in a protruding mode, and the middle of the movable plate (15) is provided with a buckle groove (16).
2. The external protection structure for the underground high-temperature and high-voltage resistant cable according to claim 1, wherein the bottom plate (21) is connected with the bottom end of the support plate (101) in a damping manner through the first frame (4) in the middle of the upper two sides, the upper middle of the support plate (101) and the middle of the slider (103) are both provided with a trepanning (5) in a penetrating manner, and the inner middle of the trepanning (5) is sleeved with the trepanning column (6).
3. The external protection structure for the underground high-temperature and high-voltage resistant cable according to claim 1, wherein the end of the sliding block (103) is connected with the inner end of the sliding groove (102) in an abutting mode, a branch pipe (7) is connected to the middle of the inner side of the sliding block (103), and the branch pipe (7) is connected with one end of a support column (8) welded to the middle of the two sides of the support block (104) in a sleeved mode.
4. The external protection structure for the underground high-temperature and high-pressure resistant cable according to claim 1, wherein the supporting block (104) is in threaded connection with the multi-shaped plates (106) through fastening bolts (9) arranged in the middle of the upper sides, the inner side walls of the second frames (10) welded to the bottom surfaces of the two sides of the multi-shaped plates (106) are in damping connection with the upper ends of the supporting plates (101), and the middle part of one side of the bottom surface of the multi-shaped plates (106) is arranged in an inward concave manner.
5. The external protection structure for the underground high-temperature and high-voltage resistant cable according to claim 1, wherein the weight box (201) comprises a side plate (2011) and an end plate (2012), the side plate (2011) is connected with the end plate (2012) at the upper and lower inner parts of the side plate through an L-shaped plate (11) at the end parts of two sides, and a connecting bolt (12) is in threaded through connection with the end part at one outer side of the L-shaped plate (11).
6. The external protection structure for the underground high-temperature and high-pressure resistant cable according to claim 1, wherein the front end and the rear end of the upper part of the weight box (201) are welded with the limiting blocks (13), the limiting blocks (13) are in threaded connection with the bottom plate (21) through the limiting bolts (14) in the middle parts of the two sides of the bottom, and the weight box (201) is in sleeve connection with the inner ends of the limiting plates (203) through the limiting pipes (17) in the middle parts of the two sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110777265.2A CN113363922B (en) | 2021-07-09 | 2021-07-09 | External protection structure for underground high-temperature-resistant and high-voltage-resistant cable |
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| CN202110777265.2A CN113363922B (en) | 2021-07-09 | 2021-07-09 | External protection structure for underground high-temperature-resistant and high-voltage-resistant cable |
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| CN113363922B true CN113363922B (en) | 2022-07-01 |
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Effective date of registration: 20220609 Address after: 408000 No.1 Hefeng Avenue, Fuling District, Chongqing Applicant after: CHONGQING KEBAO CABLE Co.,Ltd. Address before: 511400 Zhonghuan West Road, Panyu District, Guangzhou City, Guangdong Province Applicant before: Hu Hongyuan |
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