CN113629631A - Overhead line protection device - Google Patents
Overhead line protection device Download PDFInfo
- Publication number
- CN113629631A CN113629631A CN202111055940.7A CN202111055940A CN113629631A CN 113629631 A CN113629631 A CN 113629631A CN 202111055940 A CN202111055940 A CN 202111055940A CN 113629631 A CN113629631 A CN 113629631A
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- Prior art keywords
- pull rope
- rolling
- assembly
- overhead line
- protection device
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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
- H02G7/00—Overhead installations of electric lines or cables
Abstract
The invention discloses a high-altitude overhead line protection device, and belongs to the technical field of electric power construction. The high-altitude overhead line protection device comprises a first installation unit, a second installation unit and a protection net, wherein the first installation unit comprises a first installation frame, a rolling component, an air bag and a first pull rope component, the rolling end of the rolling component and the air bag are arranged on two sides of an external cable along a first direction, and the driving end of the rolling component can drive the rolling end to move along a second direction and can drive the first installation frame to move along the second direction; the second installation unit and the first installation unit are oppositely arranged along a second direction, the second installation unit comprises a second installation frame, a fixing piece, an air pump and a second pull rope assembly, the air pump can inflate the air bag to enable an external cable to be extruded between the rolling end and the air bag, and the fixing piece is used for being detachably connected to the external cable; two ends of the protective net are respectively connected with the first pull rope component and the second pull rope component. The invention ensures the safety of overhead wiring.
Description
Technical Field
The invention relates to the technical field of electric power construction, in particular to a high-altitude overhead line protection device.
Background
The stringing construction is the finishing stage of the construction project of the transmission line, is a main process in the construction of the overhead transmission line, and aims to erect a conducting wire and a lightning conductor on a tower which is assembled according to the designed stringing stress (sag).
When electric power construction is carried out, walking on an overhead line is often needed; in the prior art, constructors generally use safety belts to ensure construction safety; however, if the safety belt is used for protection when the safety belt slides off when walking on an overhead line, the construction personnel can be hung at a high position, the psychology of the construction personnel is affected, and the safety protection is inconvenient for the construction personnel when the construction personnel works high above the ground.
Disclosure of Invention
The invention aims to provide a high-altitude overhead line protection device which ensures the safety of high-altitude overhead lines.
In order to achieve the purpose, the invention adopts the following technical scheme:
an overhead line protection device comprising:
the first installation unit comprises a first installation frame, a rolling component, an air bag and a first pull rope component are arranged on the first installation frame, a rolling end of the rolling component and the air bag are arranged on two sides of an external cable along a first direction, and a driving end of the rolling component can drive the rolling end to move along a second direction and can drive the first installation frame to move along the second direction;
the second installation unit is opposite to the first installation unit along the second direction and comprises a second installation frame, a fixing piece, an air pump and a second pull rope assembly are arranged on the second installation frame, the air pump can inflate the air bag to enable the external cable to be extruded between the rolling end and the air bag, and the fixing piece is used for being detachably connected to the external cable;
the protective net is arranged on one side of the first installation unit and one side of the second installation unit along the first direction, and two ends of the protective net are respectively connected with the first pull rope assembly and the second pull rope assembly.
Optionally, the first mounting bracket includes a guide plate disposed along the second direction, and the rolling assembly includes:
the connecting rod is arranged on the guide plate;
the rolling cylinder is a rolling end of the rolling assembly and is arranged on one side, facing the protective net, of the guide plate;
the driving assembly is a driving end of the rolling assembly, the driving assembly is fixedly arranged on the connecting rod, and the driving assembly drives the rolling cylinder to rotate around an axis parallel to the third direction.
Optionally, the connecting rod is along first direction sliding connection in the deflector, just be provided with the elastic component on the connecting rod, the both ends of elastic component respectively with the deflector with roll a section of thick bamboo butt.
Optionally, a guide groove is formed in the connecting rod along the first direction, a boss is arranged on the guide plate, and the boss is connected with the guide groove in a sliding mode.
Optionally, the first mounting bracket includes a first mounting plate, the first rope pulling assembly includes a first driving member fixedly disposed on the first mounting plate, a first rotating wheel disposed at an output end of the first driving member, and a first rope pulling one end of the first rope pulling assembly is wound on the first rotating wheel, the first rotating wheel rotates around an axis parallel to the second direction, and the other end of the first rope pulling assembly is connected to one end of the protection net;
the second mounting bracket includes the second mounting panel, second stay cord subassembly including fixed set up in second driving piece on the second mounting panel, set up in the second runner and the one end of the output of second driving piece twine in the second stay cord on the second runner, the second runner around being on a parallel with the axis of second direction rotates, the other end of second stay cord connect in the other end of protection network.
Optionally, the first runner and the second runner are respectively disposed on a side of the first mounting plate and a side of the second mounting plate that face away from each other.
Optionally, the first pull rope assembly further comprises a first snap ring, the first pull rope is connected to the protective net through the first snap ring, the second pull rope assembly further comprises a second snap ring, the second pull rope is connected to the protective net through the second snap ring, and the first snap ring and the second snap ring are both arc-shaped structures.
Optionally, the first mounting bracket comprises a first connecting plate, and the airbag is arranged on the first connecting plate;
the second mounting bracket comprises a second connecting plate, the air pump is arranged on one side of the second connecting plate, and the fixing piece is arranged on the other side of the second connecting plate.
Optionally, the second mounting bracket includes a grip disposed along the second direction, and the grip is provided with a grip ring and a switch assembly.
Optionally, the fixing member includes a plurality of cover rings, and the cover rings are arc-shaped structures and can be clamped to the external cable.
The invention has the beneficial effects that:
according to the overhead line protection device provided by the invention, the second installation unit is fixed with an external cable through the fixing piece, and the external cable is arranged between the air bag and the rolling end of the rolling component; then the air pump inflates the air bag, so that the external cable is extruded between the air bag and the rolling end of the rolling assembly, and the installation stability of the external cable is improved; the driving end of the rolling component drives the rolling end to move along the second direction so as to drive the first mounting frame to move along the second direction, and the external cable is stably mounted, so that the movement stability of the external cable is improved; because the first pull rope assembly and the second pull rope assembly are respectively connected to two ends of the protective net, when the first mounting frame moves in the direction away from the second mounting unit, the protective net can be stretched in the second direction, and constructors can protect the cables through the protective net when walking on the cables, so that the safety is improved; the mounting makes things convenient for the dismouting with outside cable, and the gasbag aerify the back can with roll the end and press from both sides tight outside cable, can loosen outside cable after the gassing, make first installation unit and second installation unit convenient and outside cable dismouting, can carry out the bulk movement to overhead line protection device according to constructor's removal, can carry out the trailing type protection to the operation personnel, safer when high altitude construction, and convenient to use.
Drawings
Fig. 1 is a schematic view of an installation structure of an overhead line protection device and an external cable according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a fastener provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an overhead line protection device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first pull rope and a first snap ring according to an embodiment of the present invention.
In the figure:
100. an external cable;
1. a first mounting unit; 11. a first mounting bracket; 111. a first mounting plate; 112. a first connecting plate; 113. a guide plate; 12. rolling the component; 121. a connecting rod; 1211. a guide groove; 122. rolling the cylinder; 123. a drive assembly; 124. an elastic member; 125. a connecting ring; 13. a first pull cord assembly; 131. a first driving member; 132. a first runner; 133. a first pull cord; 134. a first snap ring; 135. a first rotating shaft; 14. an air bag; 15. a conduit;
2. a second mounting unit; 21. a second mounting bracket; 211. a second mounting plate; 212. a second connecting plate; 213. a holding rod; 214. a holding ring; 22. a second pull cord assembly; 221. a second driving member; 222. a second runner; 223. a second pull cord; 224. a second snap ring; 225. a second rotating shaft; 23. a fixing member; 24. an air pump;
3. a protective net;
4. a switch assembly.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
The embodiment provides a high-altitude overhead line protection device, which comprises a first mounting unit 1, a second mounting unit 2 and a protective net 3; specifically, as shown in fig. 1, the first mounting unit 1 includes a first mounting bracket 11, a rolling component 12, an air bag 14 and a first pull rope component 13 are disposed on the first mounting bracket 11, a rolling end of the rolling component 12 and the air bag 14 are disposed on two sides of the external cable 100 along a first direction, and a driving end of the rolling component 12 can drive the rolling end to move along a second direction and can drive the first mounting bracket 11 to move along the second direction; the second installation unit 2 and the first installation unit 1 are oppositely arranged along a second direction, the second installation unit 2 comprises a second installation frame 21, a fixing piece 23, an air pump 24 and a second pull rope assembly 22 are arranged on the second installation frame 21, the air pump 24 can inflate the air bag 14 to enable the external cable 100 to be extruded between the rolling end and the air bag 14, and the fixing piece 23 is detachably connected to the external cable 100; the protection net 3 is arranged on one side of the first installation unit 1 and the second installation unit 2 along the first direction, and two ends of the protection net 3 are respectively connected with the first pull rope assembly 13 and the second pull rope assembly 22.
When the overhead line protection device is used on the external cable 100, the first installation unit 1 and the second installation unit 2 are arranged along the second direction, that is, the external cable 100 extends along the second direction, so that the overhead line protection device is installed on the external cable 100; the second mounting unit 2 is fixed with the external cable 100 by the fixing member 23 while the external cable 100 is disposed between the airbag 14 and the crushing end of the crushing assembly 12; then the air pump 24 inflates the air bag 14, so that the external cable 100 is extruded between the air bag 14 and the rolling end of the rolling component 12, and the installation stability of the external cable 100 is improved; the driving end of the rolling component 12 drives the rolling end to move along the second direction so as to drive the first mounting frame 11 to move along the second direction, and the external cable 100 is stably mounted, so that the movement stability of the external cable 100 is improved; because the first pull rope assembly 13 and the second pull rope assembly 22 are respectively connected to two ends of the protection net 3, when the first mounting frame 11 moves in a direction away from the second mounting unit 2, the protection net 3 can be stretched in the second direction, and constructors can protect the protection net 3 when walking on a cable, so that the safety is improved; mounting 23 makes things convenient for the dismouting with outside cable 100, and gasbag 14 aerify the back can with roll the end and press from both sides tight outside cable 100, can loosen outside cable 100 after the gassing, make first installation unit 1 and second installation unit 2 convenient and outside cable 100 dismouting, can carry out overall movement to overhead line protection device according to constructor's removal, can carry out the trailing type protection to the operation personnel, safer when high altitude construction, and convenient to use. The safety belt can be used in combination with safety belt protection, safety measures are increased, and safety of overhead lines is further guaranteed.
In this embodiment, the first direction is an x direction, the second direction is a y direction, and the first direction is perpendicular to the second direction. Specifically, the first direction is a vertical direction, and the protection net 3 is arranged on the lower sides of the first installation unit 1 and the second installation unit 2, so that the protection net 3 is always located below the constructors to protect the constructors.
Specifically, the protection net 3 is a net structure and made of nylon material.
Optionally, as shown in fig. 2, the fixing member 23 includes a plurality of cover rings, and each cover ring has an arc-shaped structure, and can be clamped to the external cable 100, so as to facilitate detachment and installation. Specifically, a plurality of cover rings are arranged on the second mounting frame 21, so that the connection reliability of the external cable 100 is improved; further, the plurality of cover rings are arranged in the second direction.
Alternatively, as shown in fig. 3, the first mounting frame 11 includes a guide plate 113 disposed along the second direction, and the rolling component 12 includes a connecting rod 121, a rolling cylinder 122 and a driving component 123, wherein the connecting rod 121 is disposed on the guide plate 113; the rolling cylinder 122 is a rolling end of the rolling assembly 12, and the rolling cylinder 122 is arranged on one side of the guide plate 113 facing the protection net 3; the driving assembly 123 is a driving end of the rolling assembly 12, the driving assembly 123 is fixedly disposed on the connecting rod 121, and the driving assembly 123 drives the rolling cylinder 122 to rotate around an axis parallel to the third direction. When the driving assembly 123 drives the rolling cylinder 122 to rotate, the rolling cylinder 122 and the external cable 100 generate relative displacement, and the driving assembly 123, the connecting rod 121, the guide plate 113 and other structural members on the first mounting unit 1 are driven to simultaneously generate relative displacement relative to the external cable 100, so that the first pull rope assembly 13 moves to drive the protective net 3 to be stretched. Specifically, the driving assembly 123 may be a motor, which is mounted at the end of the connecting rod 121 through a connecting ring 125, and the output shaft of the motor drives the milling drum 122 to rotate.
Alternatively, as shown in fig. 3, the connecting rod 121 is slidably connected to the guide plate 113 along the first direction, and the connecting rod 121 is provided with an elastic member 124, two ends of the elastic member 124 respectively abut against the guide plate 113 and the crushing cylinder 122, when the air bag 14 inflates, the air bag 14 elastically presses the external cable 100 from one side, and the elastic member 124 abuts against the crushing cylinder 122, so that the crushing cylinder 122 elastically presses the external cable 100 from the other side, thereby preventing the external cable 100 from being damaged.
Further, as shown in fig. 3, a guide groove 1211 is formed in the connecting rod 121 along the first direction, a boss is disposed on the guide plate 113, the boss is slidably connected to the guide groove 1211, and the boss is slidably connected to the guide groove 1211, so that the connecting rod 121 is slidably connected to the guide plate 113 along the first direction, the moving precision of the rolling component 12 is improved, and the accuracy of extruding the external cable 100 is improved.
Alternatively, as shown in fig. 3, the first mounting bracket 11 includes a first mounting plate 111, the first rope assembly 13 includes a first driving member 131 fixedly disposed on the first mounting plate 111, a first rotating wheel 132 disposed at an output end of the first driving member 131, and a first rope 133 having one end wound around the first rotating wheel 132, the first rotating wheel 132 rotates around an axis parallel to the second direction, and the other end of the first rope 133 is connected to one end of the protection net 3; the second mounting bracket 21 comprises a second mounting plate 211, the second rope assembly 22 comprises a second driving member 221 fixedly arranged on the second mounting plate 211, a second rotating wheel 222 arranged at the output end of the second driving member 221, and a second rope 223 with one end wound on the second rotating wheel 222, the second rotating wheel 222 rotates around an axis parallel to the second direction, and the other end of the second rope 223 is connected to the other end of the protection net 3; the first driving member 131 drives the first pulley 132 to wind or unwind the first rope 133 on the first pulley 132, the second driving member 221 drives the second pulley 222 to wind or unwind the second rope 223 on the second pulley 222, and the positions of the two ends of the protection net 3 along the first direction are adjusted by the rotation of the first driving member 131 and the second driving member 221, so that the adjustment can be performed according to the specific positions, heights, shapes and the like of the external cables 100, and the applicability of the high overhead line protection device is further improved. Specifically, the first driving member 131 and the second driving member 221 are motors, respectively, a motor output end of the first driving member 131 is connected to the first wheel 132 through a first rotating shaft 135, and a motor output end of the second driving member 221 is connected to the second wheel 222 through a second rotating shaft 225.
Alternatively, as shown in fig. 3, the first and second wheels 132 and 222 are provided on the sides of the first and second mounting plates 111 and 211, respectively, that face away from each other, to increase the length of the protection net 3 for stretching in the second direction.
Optionally, as shown in fig. 3 and 4, the first pull rope assembly 13 further includes a first snap ring 134, the first pull rope 133 is connected to the protection net 3 through the first snap ring 134, the second pull rope assembly 22 further includes a second snap ring 224, and the second pull rope 223 is connected to the protection net 3 through the second snap ring 224, so that the protection net 3 is connected to the first pull rope 133 and the second pull rope 223, specifically, the first snap ring 134 and the second snap ring 224 are both arc-shaped structures, so that the protection net 3 is arc-shaped, and the protection performance is improved; specifically, an installation groove is formed in the periphery of the first snap ring 134 along the circumferential direction of the first snap ring 134, and the first pull rope 133 is wound around the installation groove, so that the first pull rope 133 and the first snap ring 134 are limited along the second direction, and the connection reliability is improved; in a similar way, the periphery of the second snap ring 224 is provided with a mounting groove along the circumferential direction of the second snap ring 224, and the second pull rope 223 is wound on the mounting groove, so that the second pull rope 223 and the second snap ring 224 are limited along the second direction, and the connection reliability is improved.
In this embodiment, as shown in fig. 3, the first mounting bracket 11 includes a first connecting plate 112, and the airbag 14 is disposed on the first connecting plate 112, so that the mounting stability of the airbag 14 is improved; the second mounting frame 21 comprises a second connecting plate 212, one side of the second connecting plate 212 is provided with the air pump 24, the other side of the second connecting plate 212 is provided with the fixing piece 23, the connection reliability of the air pump 24 and the fixing piece 23 is improved, and meanwhile, the air pump 24 and the fixing piece 23 are arranged on two sides of the second connecting plate 212, so that the structural layout is facilitated, and the structural interference is prevented; specifically, the balloon 14 communicates with the air pump 24 through the conduit 15.
Optionally, the second mounting frame 21 includes a grip 213 disposed along the second direction, and the grip 213 has a grip ring 214 disposed thereon for being held by a user; more specifically, the switch assembly 4 is mounted on the holding rod 213, and the switch assembly 4 is disposed near the holding ring 214 for convenient operation; specifically, the switch assembly 4 is used for controlling the air pump 24, the driving assembly 123, the first driving member 131 and the second driving member 221 to be turned on and off respectively, so as to facilitate control.
Example two
The present embodiment is different from the first embodiment in that the fixing member 23 is a clamping member capable of clamping the external cable 100, and is convenient to detach from the external cable 100.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An overhead line protection device, comprising:
the first mounting unit (1) comprises a first mounting frame (11), a rolling component (12), an air bag (14) and a first pull rope component (13) are arranged on the first mounting frame (11), a rolling end of the rolling component (12) and the air bag (14) are arranged on two sides of an external cable (100) along a first direction, and a driving end of the rolling component (12) can drive the rolling end to move along a second direction and can drive the first mounting frame (11) to move along the second direction;
the second installation unit (2) is opposite to the first installation unit (1) in the second direction, the second installation unit (2) comprises a second installation frame (21), a fixing piece (23), an air pump (24) and a second pull rope assembly (22) are arranged on the second installation frame (21), the air pump (24) can inflate the air bag (14), the external cable (100) is extruded between the rolling end and the air bag (14), and the fixing piece (23) is used for being detachably connected to the external cable (100);
the protective net (3) is arranged on one side of the first installation unit (1) and the second installation unit (2) along the first direction, and two ends of the protective net (3) are respectively connected with the first pull rope assembly (13) and the second pull rope assembly (22).
2. Overhead line protection device according to claim 1, characterized in that the first mounting frame (11) comprises a guide plate (113) arranged along the second direction, the crushing assembly (12) comprising:
a connecting rod (121) provided on the guide plate (113);
the rolling cylinder (122) is a rolling end of the rolling assembly (12), and the rolling cylinder (122) is arranged on one side, facing the protective net (3), of the guide plate (113);
the driving assembly (123) is a driving end of the rolling assembly (12), the driving assembly (123) is fixedly arranged on the connecting rod (121), and the driving assembly (123) drives the rolling cylinder (122) to rotate around an axis parallel to the third direction.
3. The overhead line protector as claimed in claim 2, wherein the connecting rod (121) is slidably connected to the guide plate (113) along the first direction, and an elastic member (124) is disposed on the connecting rod (121), and both ends of the elastic member (124) are respectively abutted against the guide plate (113) and the rolling cylinder (122).
4. The overhead line protection device of claim 2, wherein the connecting rod (121) is provided with a guide groove (1211) along the first direction, and the guide plate (113) is provided with a boss slidably connected with the guide groove (1211).
5. Overhead line protection device according to any of claims 1 to 4,
the first mounting frame (11) comprises a first mounting plate (111), the first pull rope assembly (13) comprises a first driving part (131) fixedly arranged on the first mounting plate (111), a first rotating wheel (132) arranged at the output end of the first driving part (131), and a first pull rope (133) with one end wound on the first rotating wheel (132), the first rotating wheel (132) rotates around an axis parallel to the second direction, and the other end of the first pull rope (133) is connected to one end of the protective net (3);
the second mounting frame (21) comprises a second mounting plate (211), the second pull rope assembly (22) comprises a second driving piece (221) fixedly arranged on the second mounting plate (211), a second rotating wheel (222) arranged at the output end of the second driving piece (221) and a second pull rope (223) with one end wound on the second rotating wheel (222), the second rotating wheel (222) rotates around an axis parallel to the second direction, and the other end of the second pull rope (223) is connected to the other end of the protective net (3).
6. Overhead line protection device according to claim 5, characterized in that the first wheel (132) and the second wheel (222) are arranged on the side of the first mounting plate (111) and the second mounting plate (211) facing away from each other, respectively.
7. The overhead line protection device of claim 5, wherein the first pull rope assembly (13) further comprises a first snap ring (134), the first pull rope (133) is connected to the protection net (3) through the first snap ring (134), the second pull rope assembly (22) further comprises a second snap ring (224), the second pull rope (223) is connected to the protection net (3) through the second snap ring (224), and both the first snap ring (134) and the second snap ring (224) are arc-shaped structures.
8. Overhead line protection device according to any of claims 1 to 4,
the first mounting frame (11) comprises a first connecting plate (112), and the air bag (14) is arranged on the first connecting plate (112);
the second mounting frame (21) comprises a second connecting plate (212), the air pump (24) is arranged on one side of the second connecting plate (212), and the fixing piece (23) is arranged on the other side of the second connecting plate.
9. Overhead line protection device according to any of claims 1-4, characterized in that the second mounting frame (21) comprises a grip bar (213) arranged in the second direction, the grip bar (213) being provided with a grip ring (214) and a switch assembly (4).
10. The overhead line protector as claimed in any one of claims 1 to 4, wherein the fixing member (23) comprises a plurality of cover rings, and the cover rings are arc-shaped and can be clamped to the external cable (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111055940.7A CN113629631B (en) | 2021-09-09 | 2021-09-09 | Overhead line protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111055940.7A CN113629631B (en) | 2021-09-09 | 2021-09-09 | Overhead line protection device |
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| Publication Number | Publication Date |
|---|---|
| CN113629631A true CN113629631A (en) | 2021-11-09 |
| CN113629631B CN113629631B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111055940.7A Active CN113629631B (en) | 2021-09-09 | 2021-09-09 | Overhead line protection device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140102829A1 (en) * | 2012-10-15 | 2014-04-17 | Jim Stearns | Fall protection system |
| CN208209401U (en) * | 2018-06-14 | 2018-12-07 | 中建交通建设集团有限公司 | A kind of aerial protective net of high-tension line suspension cable |
| CN209855271U (en) * | 2019-05-07 | 2019-12-27 | 李广福 | Fall protection device for building construction |
| CN210396204U (en) * | 2019-06-27 | 2020-04-24 | 中国建筑第八工程局有限公司 | Horizontal safety protection net of overhanging outer frame for engineering site |
| CN210806583U (en) * | 2019-10-25 | 2020-06-19 | 国网四川电力送变电建设有限公司 | Crossing frame net sealing device |
| CN112983028A (en) * | 2021-02-22 | 2021-06-18 | 福州外语外贸学院 | Personnel safety protection device for building protective net building |
-
2021
- 2021-09-09 CN CN202111055940.7A patent/CN113629631B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140102829A1 (en) * | 2012-10-15 | 2014-04-17 | Jim Stearns | Fall protection system |
| CN208209401U (en) * | 2018-06-14 | 2018-12-07 | 中建交通建设集团有限公司 | A kind of aerial protective net of high-tension line suspension cable |
| CN209855271U (en) * | 2019-05-07 | 2019-12-27 | 李广福 | Fall protection device for building construction |
| CN210396204U (en) * | 2019-06-27 | 2020-04-24 | 中国建筑第八工程局有限公司 | Horizontal safety protection net of overhanging outer frame for engineering site |
| CN210806583U (en) * | 2019-10-25 | 2020-06-19 | 国网四川电力送变电建设有限公司 | Crossing frame net sealing device |
| CN112983028A (en) * | 2021-02-22 | 2021-06-18 | 福州外语外贸学院 | Personnel safety protection device for building protective net building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113629631B (en) | 2022-09-30 |
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