CN113346425B - Cable trench supporting device - Google Patents
Cable trench supporting device Download PDFInfo
- Publication number
- CN113346425B CN113346425B CN202110731133.6A CN202110731133A CN113346425B CN 113346425 B CN113346425 B CN 113346425B CN 202110731133 A CN202110731133 A CN 202110731133A CN 113346425 B CN113346425 B CN 113346425B
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- supporting
- cable
- plate
- barrel
- stand
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 26
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 26
- 241001330002 Bambuseae Species 0.000 claims abstract description 26
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 26
- 239000011425 bamboo Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- H02G3/0406—Details thereof
-
- 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
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a cable trench supporting device which comprises an upright post, wherein a supporting mechanism is arranged on the side wall of the upright post, the supporting mechanism comprises a pressing plate and a supporting barrel, one end of the supporting barrel is in sliding fit with the upright post, an open abdication port is arranged at the upper end of the supporting barrel, an extension barrel is connected in the supporting barrel in a sliding mode, a baffle plate matched with the abdication port is arranged at the upper end of the extension barrel, and the pressing plate is connected above the supporting barrel in a sliding mode. The supporting mechanism can slide on the stand, can adjust interval each other according to the quantity of cable, ensure sufficient ventilation and installation space, the last extension section of thick bamboo that has set up of a support section of thick bamboo, can adjust support length according to the demand, realize the rational utilization in space, reserve sufficient current and operating space for the staff, increase the convenience of operation, it can fix the cable to set up baffle and clamp plate, prevent that the cable from sliding, guarantee that the cable supports stable and reliable, ensure safe in utilization.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to a cable trench supporting device.
Background
The cable trench is an underground pipeline for laying and replacing electric power or telecommunication cable facilities, is also an enclosure structure of laid cable facilities, and has pipeline structure forms of rectangle, circle, arch and the like.
The cable trench is provided with a cable support, which is usually made of a metal material and is fixed to the trench wall by welding or by screws. The cable is supported by the bracket and keeps a certain distance with the bottom of the ditch. Current cable support supports the cable through a bracing piece, and the cable is directly taken on the bracing piece, and the cable relies on self gravity to press on the bracing piece, and the landing is gone up from the bracing piece very easily in the use, can't adjust according to cable laying quantity moreover.
Disclosure of Invention
The invention aims at the defects in the prior art, and provides a cable trench supporting device, wherein a supporting mechanism can slide on an upright post, the distance between the supporting mechanism and the upright post can be adjusted according to the number of cables, so that enough ventilation and installation space is ensured, an extension cylinder is arranged on a supporting cylinder, the supporting length can be adjusted according to requirements, the reasonable utilization of space is realized, enough passing and operating space is reserved for workers, the convenience of operation is increased, a baffle and a pressing plate are arranged to fix the cables, the cables are prevented from sliding, the stability and reliability of cable support are ensured, and the use safety is ensured.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cable pit strutting arrangement, includes the stand, be equipped with supporting mechanism on the lateral wall of stand, supporting mechanism includes the clamp plate and supports a section of thick bamboo, the one end and the stand sliding fit of a support section of thick bamboo, the upper end of a support section of thick bamboo is equipped with the open-ended and lets a position the mouth, and it has an extension section of thick bamboo to slide in the support section of thick bamboo, the upper end of an extension section of thick bamboo is equipped with and lets a position a mouthful complex baffle, and the top of a support section of thick bamboo slides and links there is the clamp plate.
Preferably, the stand adopts C shaped steel, is equipped with the guide rail on the inner wall of stand, be equipped with on the lateral wall of a support section of thick bamboo with guide rail complex spout, the tip of a support section of thick bamboo is equipped with the roof with stand inner wall contact, fixed through the bolt between stand and the support section of thick bamboo.
Preferably, the bottom of a supporting cylinder is provided with a limiting hole, the bottom of an extension cylinder is provided with a limiting column matched with the limiting hole, and the limiting column is provided with a locking nut in a threaded fit manner.
Preferably, the upper end of the supporting cylinder is provided with an adjusting hole, the lower end of the baffle is connected with clamping plates positioned on the upper side and the lower side of the adjusting hole, the two clamping plates are fixed through a tensioning bolt, and the tensioning bolt is matched with the adjusting hole.
Preferably, the bottom of the supporting cylinder is provided with a jack, one end of the pressing plate is vertically connected with an inserting plate matched with the jack, the side wall of the supporting cylinder is provided with an anti-falling bolt for fixing the inserting plate, and the bottom of the inserting plate is provided with a limiting plate.
Preferably, the lower extreme of clamp plate is equipped with the open-ended hole of stepping down, it has the extension plate to slide in the hole of stepping down, is equipped with the locking bolt of fixed extension plate on the lateral wall of clamp plate, and the tip of extension plate is equipped with the handle.
Preferably, the lower end of the extension plate and the lower end of the pressing plate are both provided with pressing strips.
Preferably, a plurality of inserting columns are arranged on two sides of the supporting cylinder, and wire blocking cylinders are inserted into the inserting columns in an inserting mode.
Preferably, the side wall of the supporting cylinder is hinged with a pull rod, the upper end of the pull rod is connected with a pull wire column, one end of the pull rod, which is close to the supporting cylinder, is provided with a top block, the side wall of the supporting cylinder is provided with a positioning plate, and the positioning plate is connected with a puller bolt in contact connection with the top block.
Preferably, the upper end of the pull rod is provided with a plurality of connecting holes in threaded fit with the stay wire column.
Compared with the prior art, the invention has the beneficial effects that:
1. the supporting mechanism can slide on the upright post, the distance between the supporting mechanism and the upright post can be adjusted according to the number of cables, sufficient ventilation and installation space is ensured, the extension cylinder is arranged on the supporting cylinder, the supporting length can be adjusted according to requirements, reasonable utilization of space is realized, sufficient passing and operating space is reserved for workers, convenience of operation is improved, the cables can be fixed by arranging the baffle and the pressing plate, the cables are prevented from sliding, stability and reliability of cable support are ensured, and safety in use is ensured.
2. The supporting cylinder and the upright post are fixed by the bolt, so that the support cylinder is convenient to disassemble and assemble and convenient to adjust, the supporting cylinders are matched with the guide rail through the sliding chute, the convenience of sliding adjustment is improved, the reliability of connection between the upright post and the supporting cylinder is improved, separation is prevented, the supporting cylinder is provided with the top plate which is in contact with the upright post, the supporting cylinder can be prevented from shaking up and down, and the stability of the structure and the supporting strength are ensured.
3. The limiting column is arranged between the supporting cylinder and the extension cylinder, so that the sliding safety is ensured, the baffle plate and the extension cylinder can slide, and the cable can be positioned more accurately.
4. The invention is provided with the extension plate, the cable pressing range is increased, the reliability of the outer cable support is ensured, the pressing strip is arranged to press the cable tightly, the cable is prevented from being damaged, meanwhile, the friction force between the cable and the extension plate is increased, the sliding is prevented, and the fixing reliability is improved.
5. According to the invention, the cable blocking cylinder is arranged to shield or classify the cables at intervals when the cables are laid in a straight line, and the bent parts of the cables can be shielded when the cables are bent, so that the cables are prevented from rebounding under the self elasticity, and the convenience in laying and the stability in use are improved.
6. The cable fixing device is provided with the stay wire columns, so that when a cable is bent, two ends of the bent part of the cable can be pulled, the cable is fixed, on one hand, the cable can be arranged more compactly, and the space is saved; on the other hand, the convenience when the cable is laid and the stability of the cable in use can be improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of the structure of the supporting mechanism cooperating with the upright post;
FIG. 4 is a top view of the support mechanism;
FIG. 5 is a first perspective view of the supporting mechanism;
FIG. 6 is a schematic view of the platen;
FIG. 7 is a second perspective view of the supporting mechanism;
FIG. 8 is a front view of the support mechanism;
FIG. 9 is a schematic structural view of a support cylinder;
FIG. 10 is a third schematic perspective view of the support mechanism;
fig. 11 is a schematic view of the structure of the present invention in use.
In the figure: 1-upright column; 101-a guide rail; 102-a fixation hole; 2-pressing a plate; 201-inserting plate; 202-a locking bolt; 203-a handle; 204-extension plate; 205-pressing strips; 206-abdication holes; 207-limiting plate; 3-a support cylinder; 301-a top plate; 302-a chute; 303-escape port; 304-insert post; 305-a limiting hole; 306-a jack; 307-anti-drop bolt; 4-a cross beam; 5-inserting a pin; 6-an extension cylinder; 601-a baffle; 602-a conditioning aperture; 603-tightening the bolt; 604-a clamping plate; 605-a limit post; 606-a locking nut; 7-a wire blocking cylinder; 8-a pull rod; 801-stay wire column; 802-connection hole; 803-top block; 804-tightening the bolt; 805-positioning plate; 9-cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1-2, a cable trench supporting device comprises an upright post 1, a supporting mechanism is arranged on the side wall of the upright post 1, as shown in fig. 3, the supporting mechanism comprises a pressing plate 2 and a supporting cylinder 3, the upright post 1 is made of C-shaped steel, a guide rail 101 is arranged on the inner wall of the upright post 1, a sliding groove 302 matched with the guide rail 101 is arranged on the side wall of the supporting cylinder 3, one end of the supporting cylinder 3 is in sliding fit with the upright post 1, a top plate 301 contacted with the inner wall of the upright post 1 is arranged at the end part of the supporting cylinder 3, the supporting cylinder 3 can be fixed by contacting the top plate 301 with the bottom of the upright post 1, the supporting cylinder 3 is prevented from shaking up and down, the stability and the structural strength are increased, fixing holes 102 are arranged on the side walls of the upright post 1 and the supporting cylinder 3, as shown in fig. 4, the upright post 1 and the supporting cylinder 3 are fixed by a bolt 5, the bolt 5 is matched with the fixing holes 102, and according to the spacing distance between the actual using height and the supporting mechanism, select the fixed orifices 102 of suitable position to fix, the upper end of a support section of thick bamboo 3 is equipped with the open-ended and lets a position mouth 303, it has an extension section of thick bamboo 6 to slide in the support section of thick bamboo 3, the upper end of an extension section of thick bamboo 6 is equipped with and lets a position mouthful 303 complex baffle 601, can prevent that cable 9 from landing from a support section of thick bamboo 3, the top of a support section of thick bamboo 3 slides and has clamp plate 2, the interval between clamp plate 2 and the support section of thick bamboo 3 is adjustable, compress tightly fixedly cable 9 through clamp plate 2, prevent that cable 9 from taking place to slide, bend etc.
In order to avoid excessive stretching, the bottom of the support cylinder 3 is provided with a limiting hole 305, as shown in fig. 7, the bottom of the extension cylinder 6 is provided with a limiting column 605 matched with the limiting hole 305 to limit the sliding range of the extension cylinder 6, the extension cylinder 6 cannot be separated from the support cylinder 3 under the action of the limiting column 605, so that the use reliability is improved, when the cable 9 is supported, the extension cylinder 6 needs to be fixed, the limiting column 605 is in threaded fit with a locking nut 606, and the bottom of the support cylinder 3 and the extension cylinder 6 are compressed and fixed through the locking nut 606.
As shown in fig. 5, the upper end of the supporting cylinder 3 is provided with an adjusting hole 602, as shown in fig. 8, the lower end of the baffle 601 is connected with clamping plates 604 which are positioned at the upper side and the lower side of the adjusting hole 602, the two clamping plates 604 are positioned at the two sides of the upper side wall of the extension cylinder 6, the two clamping plates 604 are fixed through a tensioning bolt 603, the tensioning bolt 603 is matched with the adjusting hole 602, the baffle 601 can slide, the cable 9 can be accurately shielded, and the stability of the cable 9 is ensured.
As shown in fig. 9, the bottom of a support cylinder 3 is provided with a jack 306, one end of a pressing plate 2 is vertically connected with an inserting plate 201 matched with the jack 306, the side wall of the support cylinder 3 is provided with an anti-falling bolt 307 for fixing the inserting plate 201, the bottom of the inserting plate 201 is provided with a limiting plate 207, the height of the pressing plate 2 can be fixed through the anti-falling bolt 307, the lower end of the pressing plate 2 is provided with an open abdicating hole 206, the abdicating hole 206 is internally connected with an extension plate 204 in a sliding manner, the side wall of the pressing plate 2 is provided with a locking bolt 202 for fixing the extension plate 204, the end part of the extension plate 204 is provided with a handle 203, the sliding convenience of the extension plate 204 is increased through the handle 203, and the extension plate 204 can be fixed through the locking bolt 202.
As shown in fig. 6, the lower end of the extension plate 204 and the lower end of the pressing plate 2 are both provided with a pressing strip 205, and the pressing strip 205 is a rubber strip and is in contact with the insulating layer of the cable 9, so that friction can be increased, the cable can be prevented from sliding, and the cable 9 can not be damaged.
As shown in fig. 1, when supporting the cable 9 in the straight direction, the upright posts 1 are fixed to the inner wall of the cable 9 groove, the number of the supporting mechanisms and the distance between the supporting mechanisms are selected according to actual conditions, then the supporting cylinders 3 are fixed to the upright posts 1 through the bolts 5, the upper ends of the two upright posts 1 opposite in position are fixed through the cross beams 4, the length of the extension cylinder 6 is adjusted and fixed according to the number of strands of the cable 9, the cable is placed at the upper end of the supporting cylinder 3 side by side and sometimes needs to be placed in a superposed manner, the pressure plate 2 is slid downwards to press the cable 9 through the pressure strip 205, then the baffle plate 601 is slid, the baffle plate 601 blocks the cable 9 at the outermost side, the fixation around of the cable 9 is realized, the reliability of the position fixation is ensured, a plurality of supporting devices are uniformly arranged on the inner wall of the whole single-point cable 9 groove to fix a plurality of positions of the cable 9, the reliability of the support is ensured.
When the trend of 9 ditches of cable changes, the cable 9 of corner takes place very easily not hard up, and in order to ensure the stability of corner cable 9, the both sides of a support section of thick bamboo 3 are equipped with many and insert post 304, insert to peg graft on the post 304 and have a fender line section of thick bamboo 7, and a fender line section of thick bamboo 7 can be fixed the department of bending of cable 9, prevents that cable 9 is not hard up under self elasticity.
In addition, as shown in fig. 10-11, a pull rod 8 is hinged to the side wall of the support cylinder 3, a wire pulling column 801 is connected to the upper end of the pull rod 8, a top block 803 is arranged at one end of the pull rod 8 close to the support cylinder 3, a positioning plate 805 is arranged on the side wall of the support cylinder 3, a jacking bolt 804 in contact connection with the top block 803 is connected to the positioning plate 805, the wire pulling column 801 can pull both sides of the bent portion of the cable 9 to prevent the cable 9 from bouncing off, the jacking bolt 804 is rotated to jack the top block 803 to adjust the force of the wire pulling column 801, a plurality of connecting holes 802 in threaded fit with the wire pulling column 801 are arranged at the upper end of the pull rod 8, the position of the wire pulling column 801 is installed according to the bending angle of the cable 9, and the bent portion of the cable 9 binds the cable 9 through the fit of the wire pulling column 801 and the wire blocking cylinder 7 to prevent the cable 9 from loosening. Meanwhile, the bent part of the cable 9 can be propped against by the baffle 601.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a cable pit strutting arrangement, includes the stand, be equipped with supporting mechanism on the lateral wall of stand, its characterized in that: the supporting mechanism comprises a pressing plate and a supporting barrel, one end of the supporting barrel is in sliding fit with the stand column, the upper end of the supporting barrel is provided with an open abdicating port, the supporting barrel is internally and slidably connected with an extending barrel, the upper end of the extending barrel is provided with a baffle matched with the abdicating port, the upper end of the supporting barrel is slidably connected with the pressing plate, the bottom of the supporting barrel is provided with a limiting hole, the bottom of the extending barrel is provided with a limiting column matched with the limiting hole, the limiting column is in threaded fit with a locking nut, the upper end of the supporting barrel is provided with an adjusting hole, the lower end of the baffle is connected with clamping plates positioned on the upper side and the lower side of the adjusting hole, the two clamping plates are fixed through a tensioning bolt, the tensioning bolt is matched with the adjusting hole, the bottom of the supporting barrel is provided with a jack, one end of the pressing plate is vertically connected with an inserting plate matched with the jack, and the side wall of the supporting barrel is provided with an anti-falling bolt for fixing the inserting plate, the bottom of picture peg is equipped with the limiting plate, the lower extreme of clamp plate is equipped with the open-ended hole of stepping down, it has the extension plate to slide in the hole of stepping down, is equipped with the locking bolt of fixed extension plate on the lateral wall of clamp plate, and the tip of extension plate is equipped with the handle.
2. A cable trench support apparatus as defined in claim 1, wherein: the stand adopts C shaped steel, is equipped with the guide rail on the inner wall of stand, be equipped with on the lateral wall of a support section of thick bamboo with guide rail complex spout, the tip of a support section of thick bamboo is equipped with the roof with stand inner wall contact, fixed through the bolt between stand and the support section of thick bamboo.
3. A cable trench support apparatus as defined in claim 1, wherein: and pressing strips are arranged at the lower ends of the extension plate and the pressing plate.
4. A cable trench support apparatus as defined in claim 1, wherein: the both sides of a supporting cylinder are equipped with many and insert the post, it has a fender line section of thick bamboo to insert the grafting on the post.
5. The cable trench support apparatus of claim 4, wherein: the supporting device is characterized in that a pull rod is hinged to the side wall of the supporting cylinder, a pull wire column is connected to the upper end of the pull rod, an ejector block is arranged at one end, close to the supporting cylinder, of the pull rod, a positioning plate is arranged on the side wall of the supporting cylinder, and a jacking bolt in contact connection with the ejector block is connected to the positioning plate.
6. The cable trench support apparatus of claim 5 wherein: the upper end of the pull rod is provided with a plurality of connecting holes matched with the stay wire column in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731133.6A CN113346425B (en) | 2021-06-29 | 2021-06-29 | Cable trench supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110731133.6A CN113346425B (en) | 2021-06-29 | 2021-06-29 | Cable trench supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113346425A CN113346425A (en) | 2021-09-03 |
| CN113346425B true CN113346425B (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110731133.6A Active CN113346425B (en) | 2021-06-29 | 2021-06-29 | Cable trench supporting device |
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| Country | Link |
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| CN (1) | CN113346425B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784735B (en) * | 2022-04-27 | 2023-06-13 | 国网山东省电力公司曹县供电公司 | Wire lifting device for electric wires and cables |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208797545U (en) * | 2018-08-16 | 2019-04-26 | 国网山西省电力公司阳泉供电公司 | Cable duct of substation electric cable support |
| CN212571995U (en) * | 2020-07-16 | 2021-02-19 | 国网北京市电力公司 | Cable supporting device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005209610B2 (en) * | 2005-09-08 | 2010-09-23 | Korvest Ltd | A cable ladder assembly |
| CN107437786A (en) * | 2016-12-30 | 2017-12-05 | 广州市科卡通信科技有限公司 | A kind of cable duct cable erecting structure for facilitating night work |
| CN209658863U (en) * | 2019-04-01 | 2019-11-19 | 李亚彬 | A kind of multi-functional cable ditch |
| CN209562121U (en) * | 2019-04-24 | 2019-10-29 | 四川南充电力设计有限公司 | The novel cable ditch bracket of power construction application |
| CN111555235B (en) * | 2020-05-28 | 2021-04-02 | 湖南沪变电力技术有限公司 | Cable support for electric power engineering cable trench |
| CN111934259A (en) * | 2020-08-03 | 2020-11-13 | 十堰信义结实业有限公司 | Cable trench support with adjustable angle |
| CN213213001U (en) * | 2020-10-20 | 2021-05-14 | 长沙亚明电子科技发展有限公司 | Novel assembled cable support |
-
2021
- 2021-06-29 CN CN202110731133.6A patent/CN113346425B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208797545U (en) * | 2018-08-16 | 2019-04-26 | 国网山西省电力公司阳泉供电公司 | Cable duct of substation electric cable support |
| CN212571995U (en) * | 2020-07-16 | 2021-02-19 | 国网北京市电力公司 | Cable supporting device |
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| Publication number | Publication date |
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| CN113346425A (en) | 2021-09-03 |
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