CN114221276A - Buried high-voltage cable gap bridge protection device - Google Patents
Buried high-voltage cable gap bridge protection device Download PDFInfo
- Publication number
- CN114221276A CN114221276A CN202111565278.XA CN202111565278A CN114221276A CN 114221276 A CN114221276 A CN 114221276A CN 202111565278 A CN202111565278 A CN 202111565278A CN 114221276 A CN114221276 A CN 114221276A
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- China
- Prior art keywords
- cable
- shaped
- angle iron
- baffle
- protection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H02G3/0437—Channels
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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
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
-
- 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
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/32—Installations of cables or lines on walls, floors or ceilings using mounting clamps
-
- 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
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
一种地埋高压电缆过桥保护装置，涉及一种高压电缆支架，电缆支架固定在桥梁或建筑物外表面，在电缆支架的水平角铁(6)上间隔设有两个安装孔(23)，挡板(2)中部固定在U形双头螺杆(1)上部的半圆杆(14)下部，高压电缆(24)处于U形电缆卡(4)的卡槽(18)中，U形电缆卡扣在电缆支架的水平角铁上，U形双头螺杆两立杆(16)上的套管(3)下端压在U形电缆卡上，U形双头螺杆的双头螺杆分别穿过电缆支架水平角铁的两个安装孔后分别由锁紧螺母(5)锁死；本发明通过在电缆支架上U形电缆卡上设置挡板，由挡板防止高压电缆被石块直接击打，防范了高压电缆外表皮被击穿的事故隐患。
A protection device for buried high-voltage cables crossing a bridge relates to a high-voltage cable support. The cable support is fixed on the outer surface of a bridge or a building, and two installation holes (23) are provided at intervals on the horizontal angle iron (6) of the cable support. , the middle of the baffle (2) is fixed at the lower part of the semi-circular rod (14) on the upper part of the U-shaped double-ended screw (1), the high-voltage cable (24) is in the slot (18) of the U-shaped cable card (4), and the U-shaped cable The lower ends of the sleeves (3) on the two vertical rods (16) of the U-shaped double-ended screw are pressed on the U-shaped cable clamp, and the double-ended screws of the U-shaped double-ended screw are respectively passed through. The two installation holes of the horizontal angle iron of the cable bracket are locked by locking nuts (5) respectively; the present invention provides a baffle plate on the U-shaped cable card on the cable bracket, and the baffle plate prevents the high-voltage cable from being directly hit by stones , to prevent the hidden danger of accidents caused by the breakdown of the outer skin of the high-voltage cable.
Description
Technical Field
The invention relates to a high-voltage cable bracket, in particular to a buried high-voltage cable gap bridge protection device.
Background
When infrastructure construction such as residential buildings, office buildings, factories and mines, markets or hospitals and the like in cities is carried out, the laying of power lines is required to be carried out in the front, and when lines are erected from an urban area constructed in advance to an urban area constructed in the rear, high-voltage cables are erected by means of special railway bridges leading to factories and mines by virtue of highway bridges and railways or on the outer surface of buildings, are directly led out from underground high-voltage cables in the constructed area, and then enter the underground again after passing through a bridge; the high-voltage cables exposed on the outer surface of the bridge or the building are often hit by children with stones, and particularly the high-voltage cables fixed at the angle iron supports are hard and fixed, so that the outer skins of the high-voltage cables are easily punctured, and accident potential is formed.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an underground high-voltage cable gap bridge protection device, wherein a U-shaped cable clamp on a cable support is provided with a baffle plate, and the baffle plate prevents the high-voltage cable from being directly hit by stones, so that the accident potential that the outer skin of the high-voltage cable is punctured is prevented.
The technical scheme for realizing the invention is as follows:
the utility model provides a bury high tension cable and cross bridge protection device, including cable support, U-shaped double threaded rod, the baffle, U-shaped cable card, sleeve pipe and lock nut, cable support fixes at bridge or building surface outward, the interval is equipped with two mounting holes on cable support's horizontal angle bar, the semicircle pole lower part on U-shaped double threaded rod upper portion is fixed at the baffle middle part, high tension cable is in the draw-in groove of U-shaped cable card, U-shaped cable buckle is on cable support's horizontal angle bar, the sleeve pipe lower extreme in the two poles of U-shaped double threaded rod is pressed on U-shaped cable card, U-shaped double threaded rod's double threaded rod passes respectively behind two mounting holes of cable support horizontal angle bar respectively and is died by lock nut lock.
In the buried high-voltage cable gap bridge protection device, protruding rings are respectively arranged between two lower parts of a semicircular rod and two vertical rods on the upper part of a U-shaped double-head screw rod, and screw rods are respectively arranged at the lower ends of the two vertical rods; through holes are respectively formed in wing plates on two sides of the baffle, two vertical rods of the U-shaped double-end screw rod are respectively penetrated in the two through holes of the baffle, the two vertical rods of the U-shaped double-end screw rod are respectively penetrated in tube holes of the two cannulas, and the lower ends of the two vertical rods of the U-shaped double-end screw rod are locked by locking nuts after respectively penetrating through a fixing hole of the U-shaped cable clamp and a mounting hole of the horizontal angle iron.
The middle part of the baffle is a flat plate, inclined plates are respectively arranged between two sides of the flat plate and wing plates at two sides of the flat plate, and the middle part of the baffle is arched by the two inclined plates.
According to the buried high-voltage cable gap bridge protection device, the baffle is made of a steel plate with the thickness of more than or equal to five millimeters.
According to the buried high-voltage cable gap bridge protection device, a semicircular plate is arranged on the upper portion of a U-shaped cable clamp, vertical plates are arranged on the lower portions of two sides of the semicircular plate, fixing plates are arranged on the outer sides of the lower ends of the two vertical plates respectively, and fixing holes are formed in the middle portions of the two fixing plates respectively.
According to the buried high-voltage cable gap bridge protection device, the U-shaped cable clamp is made of a steel plate with the thickness of more than or equal to five millimeters.
Buried high-voltage cable bridge-crossing protection device, cable support include horizontal angle bar, found angle bar, reinforcement angle bar and expansion screw to one side, the inner fixed connection of horizontal angle bar is in the upper end of founding the angle bar, the both ends of consolidating the angle bar to one side fixed connection respectively be close to outer end lower part and the middle part of founding the angle bar at horizontal angle bar, the expansion screw fixed connection that sets up on the upper portion of founding the angle bar and lower part is at bridge or building external surface.
Through the disclosure, the beneficial effects of the invention are as follows:
according to the underground high-voltage cable gap bridge protection device, the baffle is added on the original U-shaped clamp, the U-shaped double-thread screw is used for fixing the baffle, double protection is formed by the U-shaped cable clamp and the baffle, and the middle part of the baffle is convexly arranged, so that the impact strength can be effectively improved; the invention effectively prevents the accident hidden danger that the outer skin of the high-voltage cable is punctured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of the baffle of the present invention;
FIG. 3 is a schematic view of a U-shaped double-ended screw of the present invention;
FIG. 4 is a schematic perspective view of a U-shaped cable clamp according to the present invention;
FIG. 5 is a schematic perspective view of the cannula of the present invention;
FIG. 6 is a schematic view of the arrangement of the mounting holes of the horizontal angle iron of the present invention;
FIG. 7 is a schematic view of the present invention in use;
in the figure: 1, a U-shaped double-head screw; 2. a baffle plate; 3. a sleeve; 4. a U-shaped cable clamp; 5. locking the nut; 6. horizontal angle iron; 7. an expansion screw; 8. erecting angle iron; 9. obliquely reinforcing angle iron; 10. perforating; 11. a wing plate; 12. a flat plate; 13. a sloping plate; 14. a semi-circular rod; 15. a projecting ring; 16. erecting a rod; 17. a screw; 18. a card slot; 19. a vertical plate; 20. a fixing hole; 21. a fixing plate; 22. a tube hole; 23. mounting holes; 24. a high voltage cable.
Detailed Description
The present invention will be further illustrated with reference to the following examples; the following examples are not intended to limit the present invention, and are only used as a support for the implementation of the present invention, and any equivalent structure replacement within the technical framework of the present invention is included in the protection scope of the present invention;
the buried high-voltage cable gap bridge protection device described in the attached drawings 1-7 comprises a cable support, a U-shaped double-ended screw 1, a baffle 2, a U-shaped cable clamp 4, a sleeve 3 and a locking nut 5, wherein the cable support comprises horizontal angle iron 6, vertical angle iron 8, oblique reinforcing angle iron 9 and an expansion screw 7, the inner end of the horizontal angle iron 6 is fixedly connected to the upper end of the vertical angle iron 8, two ends of the oblique reinforcing angle iron 9 are respectively and fixedly connected to the lower part of the horizontal angle iron 6, which is close to the outer end, and the middle part of the vertical angle iron 8, the expansion screws 7 arranged on the upper part and the lower part of the vertical angle iron 8 are fixedly connected to the outer surface of a bridge or a building, two mounting holes 23 are arranged on the horizontal angle iron 6 of the cable support at intervals, the middle part of the baffle 2 is fixed to the lower part of a semicircular rod 14 on the upper part of the U-shaped double-ended screw 1, the high-voltage cable 24 is positioned in a clamping groove 18 of the U-shaped cable clamp 4, the U-shaped cable clamp 4 is buckled on the horizontal angle iron 6 of the cable support, the lower ends of the sleeves 3 on the two vertical rods 16 of the U-shaped double-thread screw 1 are pressed on the U-shaped cable clamp 4, and the double-thread screws of the U-shaped double-thread screw 1 respectively penetrate through the two mounting holes 23 of the horizontal angle iron 6 of the cable support and then are locked by the locking nuts 5.
Specifically, a convex ring 15 is respectively arranged between the two lower parts of a semi-circular rod 14 on the upper part of the U-shaped double-thread screw 1 and two upright rods 16, and a screw 17 is respectively arranged at the lower end of each upright rod 16; through holes 10 are respectively formed in wing plates 11 on two sides of the baffle 2, two vertical rods 16 of the U-shaped double-thread screw 1 are respectively penetrated in the through holes 10 of the baffle 2, the two vertical rods 16 of the U-shaped double-thread screw 1 are respectively penetrated in tube holes 22 of two sleeves 3, and the lower ends of the two vertical rods 16 of the U-shaped double-thread screw 1 are respectively penetrated through a fixing hole 20 of the U-shaped cable clamp 4 and a mounting hole 23 of the horizontal angle iron 6 and then are locked by a locking nut 5.
With reference to fig. 1, 2 and 4, the middle part of the baffle 2 is a flat plate 12, inclined plates 13 are respectively arranged between two sides of the flat plate 12 and wing plates 11 at two sides, and the middle part of the baffle 2 is arched by the two inclined plates 13; the baffle 2 is made of a steel plate with the thickness of more than or equal to five millimeters; the upper part of the U-shaped cable clamp 4 is provided with a semicircular plate, the lower parts of two sides of the semicircular plate are vertical plates 19, the outer sides of the lower ends of the two vertical plates 19 are respectively provided with a fixed plate 21, and the middle parts of the two fixed plates 21 are respectively provided with a fixed hole 20; the U-shaped cable clamp 4 is made of a steel plate with the thickness of more than or equal to five millimeters.
The buried high-voltage cable gap bridge protection device is implemented by reforming the existing cable bracket, namely processing two mounting holes 23 on a horizontal angle iron 6; the shape of the U-shaped cable clamp 4 is not the only limitation of the application, and the U-shaped cable clamp can be made into an n-shaped shape or other shapes according to the actual number of high-voltage cables required to be fixed; the U-shaped cable clamp 4 and the baffle 2 are cut and bent into a required shape by using a steel plate and then punched to obtain the U-shaped cable clamp; the U-shaped double-ended screw 1 can be purchased at a power shop for U-shaped poles for other purposes, and then is obtained by electric welding after being sleeved with a steel ring at the upper end of the upright pole 16, and the sleeve 3 is cut into a required length by using a steel pipe.
The specific installation and use process is as follows:
with reference to the attached drawings 1 to 7, punching holes on the outer surface of a bridge or a building by using a percussion drill, and fixing vertical angle irons 8 of a cable support by using expansion screws 7; two vertical rods 16 of the U-shaped double-thread screw 1 sequentially penetrate through a through hole 10 of the baffle 2, a pipe hole 22 of the two sleeves 3 and a fixing hole 20 of the U-shaped cable clamp 4, then a high-voltage cable 24 to be fixed is placed on the horizontal angle iron 6, the two screws 17 at the lower end of the U-shaped double-thread screw 1 respectively penetrate through two mounting holes 23 of the horizontal angle iron 6, then the position of the high-voltage cable 24 is adjusted, the high-voltage cable 24 is completely positioned in a clamping groove 18 of the U-shaped cable clamp 4, and the two screws 17 of the U-shaped double-thread screw 1 are screwed tightly by using locking nuts 5.
The present invention is not described in detail in the prior art.
Claims (7)
1. The utility model provides a bury high tension cable and cross bridge protection device, includes cable support, U-shaped double-end screw (1), baffle (2), U-shaped cable card (4), sleeve pipe (3) and lock nut (5), and cable support fixes at bridge or building outer surface, characterized by: two mounting holes (23) are arranged on a horizontal angle iron (6) of the cable support at intervals, the middle part of a baffle (2) is fixed at the lower part of a semi-circular rod (14) on the upper part of a U-shaped double-end screw (1), a high-voltage cable (24) is positioned in a clamping groove (18) of the U-shaped cable clamp (4), the U-shaped cable clamp (4) is buckled on the horizontal angle iron (6) of the cable support, the lower ends of sleeves (3) on two vertical rods (16) of the U-shaped double-end screw (1) are pressed on the U-shaped cable clamp (4), and the double-end screws of the U-shaped double-end screw (1) are respectively locked by locking nuts (5) after passing through the two mounting holes (23) of the horizontal angle iron (6) of the cable support.
2. The buried high-voltage cable bridge-crossing protection device as claimed in claim 1, wherein: a convex ring (15) is respectively arranged between the two lower parts of the upper half-round rod (14) of the U-shaped double-head screw (1) and the two upright rods (16), and screw rods (17) are respectively arranged at the lower ends of the two upright rods (16); the two side wing plates (11) of the baffle (2) are respectively provided with a through hole (10), two vertical rods (16) of the U-shaped double-thread screw (1) are respectively penetrated in the two through holes (10) of the baffle (2), the two vertical rods (16) of the U-shaped double-thread screw (1) are respectively penetrated in tube holes (22) of two sleeves (3), and the lower ends of the two vertical rods (16) of the U-shaped double-thread screw (1) are respectively penetrated through a fixing hole (20) of the U-shaped cable clamp (4) and a mounting hole (23) of the horizontal angle iron (6) and then are locked by a locking nut (5).
3. The buried high-voltage cable bridge-crossing protection device as claimed in claim 2, wherein: the middle part of the baffle (2) is a flat plate (12), inclined plates (13) are respectively arranged between the two sides of the flat plate (12) and the wing plates (11) at the two sides, and the baffle (2) is arched at the middle part by the two inclined plates (13).
4. The buried high-voltage cable bridge-crossing protection device as claimed in claim 3, wherein: the baffle (2) is made of a steel plate with the thickness of more than or equal to five millimeters.
5. The buried high-voltage cable bridge-crossing protection device as claimed in claim 2, wherein: the upper part of the U-shaped cable clamp (4) is provided with a semicircular plate, the lower parts of two sides of the semicircular plate are vertical plates (19), the outer sides of the lower ends of the two vertical plates (19) are respectively provided with a fixed plate (21), and the middle parts of the two fixed plates (21) are respectively provided with a fixed hole (20).
6. The buried high-voltage cable bridge-crossing protection device as claimed in claim 5, wherein: the U-shaped cable clamp (4) is made of a steel plate with the thickness of more than or equal to five millimeters.
7. The buried high-voltage cable bridge-crossing protection device as claimed in claim 1, wherein: the cable support comprises horizontal angle iron (6), vertical angle iron (8), oblique reinforcing angle iron (9) and expansion screws (7), wherein the inner end of the horizontal angle iron (6) is fixedly connected to the upper end of the vertical angle iron (8), two ends of the oblique reinforcing angle iron (9) are respectively and fixedly connected to the middle portion, close to the outer end lower portion and the vertical angle iron (8), of the horizontal angle iron (6), and the expansion screws (7) arranged on the upper portion and the lower portion of the vertical angle iron (8) are fixedly connected to the outer surface of a bridge or a building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111565278.XA CN114221276B (en) | 2021-12-21 | 2021-12-21 | A bridge protection device for buried high-voltage cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111565278.XA CN114221276B (en) | 2021-12-21 | 2021-12-21 | A bridge protection device for buried high-voltage cables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114221276A true CN114221276A (en) | 2022-03-22 |
| CN114221276B CN114221276B (en) | 2023-10-03 |
Family
ID=80704510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111565278.XA Active CN114221276B (en) | 2021-12-21 | 2021-12-21 | A bridge protection device for buried high-voltage cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221276B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07331616A (en) * | 1994-06-06 | 1995-12-19 | Kawaju Koji Kk | Structure of u-bolt-type device for fixing cable |
| JP2008079402A (en) * | 2006-09-20 | 2008-04-03 | Denkensya & Co Ltd | Suspension wire clamp for spiral cable support |
| CN201198924Y (en) * | 2008-04-22 | 2009-02-25 | 刘�英 | Assembled skid-proof high-voltage cable support |
| JP2009189073A (en) * | 2008-02-01 | 2009-08-20 | Asahi Electric Works Ltd | Cable holder |
| CN202167814U (en) * | 2011-08-10 | 2012-03-14 | 鞍钢集团矿业公司 | Flexible fixing device for vertical laying of large cross-section cables |
| US20120111598A1 (en) * | 2010-11-04 | 2012-05-10 | Pawluk Robert R | Multi level cable bus system with modular cable trays |
| CN204156451U (en) * | 2014-08-20 | 2015-02-11 | 国网河南汝阳县供电公司 | Lv power cable fixed support |
| CN204205470U (en) * | 2014-10-25 | 2015-03-11 | 迈赫机器人自动化股份有限公司 | A kind of composite cable bridge-rack |
| CN206250705U (en) * | 2016-11-25 | 2017-06-13 | 中建港务建设有限公司 | A kind of protection device for cable testing bridge |
| CN206496090U (en) * | 2017-02-15 | 2017-09-15 | 北京四汇建筑工程有限责任公司 | A kind of support of pipelines |
| KR101856184B1 (en) * | 2017-12-13 | 2018-05-10 | 이성훈 | earthquake resistant cable tray |
| CN210224900U (en) * | 2019-08-21 | 2020-03-31 | 江苏瑞中德金属制品有限公司 | High-strength economical slotted aluminum alloy profile cable support |
| CN215681719U (en) * | 2021-07-29 | 2022-01-28 | 国投甘肃新能源有限公司 | Drainage line high-speed joint is fixed with pressing from both sides |
-
2021
- 2021-12-21 CN CN202111565278.XA patent/CN114221276B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07331616A (en) * | 1994-06-06 | 1995-12-19 | Kawaju Koji Kk | Structure of u-bolt-type device for fixing cable |
| JP2008079402A (en) * | 2006-09-20 | 2008-04-03 | Denkensya & Co Ltd | Suspension wire clamp for spiral cable support |
| JP2009189073A (en) * | 2008-02-01 | 2009-08-20 | Asahi Electric Works Ltd | Cable holder |
| CN201198924Y (en) * | 2008-04-22 | 2009-02-25 | 刘�英 | Assembled skid-proof high-voltage cable support |
| US20120111598A1 (en) * | 2010-11-04 | 2012-05-10 | Pawluk Robert R | Multi level cable bus system with modular cable trays |
| CN202167814U (en) * | 2011-08-10 | 2012-03-14 | 鞍钢集团矿业公司 | Flexible fixing device for vertical laying of large cross-section cables |
| CN204156451U (en) * | 2014-08-20 | 2015-02-11 | 国网河南汝阳县供电公司 | Lv power cable fixed support |
| CN204205470U (en) * | 2014-10-25 | 2015-03-11 | 迈赫机器人自动化股份有限公司 | A kind of composite cable bridge-rack |
| CN206250705U (en) * | 2016-11-25 | 2017-06-13 | 中建港务建设有限公司 | A kind of protection device for cable testing bridge |
| CN206496090U (en) * | 2017-02-15 | 2017-09-15 | 北京四汇建筑工程有限责任公司 | A kind of support of pipelines |
| KR101856184B1 (en) * | 2017-12-13 | 2018-05-10 | 이성훈 | earthquake resistant cable tray |
| CN210224900U (en) * | 2019-08-21 | 2020-03-31 | 江苏瑞中德金属制品有限公司 | High-strength economical slotted aluminum alloy profile cable support |
| CN215681719U (en) * | 2021-07-29 | 2022-01-28 | 国投甘肃新能源有限公司 | Drainage line high-speed joint is fixed with pressing from both sides |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114221276B (en) | 2023-10-03 |
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