CN117767166A - Electric power crossing net hanging layout device and net hanging method - Google Patents
Electric power crossing net hanging layout device and net hanging method Download PDFInfo
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- CN117767166A CN117767166A CN202311489890.2A CN202311489890A CN117767166A CN 117767166 A CN117767166 A CN 117767166A CN 202311489890 A CN202311489890 A CN 202311489890A CN 117767166 A CN117767166 A CN 117767166A
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- net
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- hanging
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- telescopic arm
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000012216 screening Methods 0.000 claims abstract 8
- 238000010276 construction Methods 0.000 claims description 14
- 230000003028 elevating effect Effects 0.000 claims 3
- 239000004677 Nylon Substances 0.000 description 12
- 229920001778 nylon Polymers 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Abstract
The invention discloses a layout device and a screening method of an electric crossing screening, wherein the layout device comprises a chassis, a lifting mechanism, a crossing telescopic arm, a wire frame and a screening rope storage box, the lifting mechanism is connected with the chassis, one end of the crossing telescopic arm is connected with the lifting mechanism, the screening rope storage box is arranged at the end of the crossing telescopic arm, a supporting leg mechanism is arranged on the crossing telescopic arm, a first wire frame and a second wire frame are respectively arranged at two ends of the crossing telescopic arm, and the first wire frame and the second wire frame are connected through screening guide ropes of the screening rope storage box. The electric crossing net laying device adopts an automatic mechanical design, and forms a crossing platform through lifting of a lifting mechanism and extension of a crossing telescopic arm to cross an obstacle region. Compared with the traditional platform, the platform has the advantages that manual operation is reduced, the platform building process is quickened, the situation that workers need to climb to the high altitude to pull is avoided, and the safety of workers is guaranteed.
Description
Technical Field
The invention relates to the technical field of power transmission and paving equipment, in particular to a power crossing net hanging layout device and a net hanging method.
Background
In recent years, the demand for power transmission increases, and thus, many towers and transmission lines are required to be added. In order to ensure the construction safety and the power supply safety, when the power transmission line needs to span roads, waterways and railways, the construction of the crossing section in the form of road sealing or crossing frame construction is generally adopted, and because the influence of the modes on traffic is relatively large, the safety risk is high, and the road sealing or the large crossing frame construction on important roads is difficult to implement by combining with the limitation of topography and other factors.
The construction safety is protected by adopting a net hanging measure when the line is erected and spanned at present, a protective net for the transmission line crossing construction is disclosed in CN20192089579. X, which comprises a carrier rope, a trawl rope, nylon nets, pulleys and hoops, wherein a plurality of nylon net groups are sequentially arranged from left to right, supporting pipes are longitudinally arranged above the outer ends of two nylon nets at the outermost ends between adjacent nylon nets, a plurality of hoops are arranged on the supporting pipes at intervals along the axial direction, the hoops are connected with pulleys, a plurality of hanging rings are arranged on the periphery of the nylon nets, the hanging rings at the left side and the right side of the nylon nets are respectively correspondingly connected with the hoops at the same side, the hanging rings at the front side and the rear side of the nylon nets are respectively connected with one pulley, sliding sides at the front side and the rear side of the nylon nets are respectively arranged on the carrier rope at the same side, the outer side of the nylon nets are arranged outside the carrier rope, the hoops at the two ends of the outer sides except for the hoops at the two ends of the carrier rope, the other ends of the hoops are connected with the nylon nets, the other ends of the hoops are connected with the trawl rope, and the carrier rope is anchored on the ground after bypassing the spanning frame. In the patent, the whole process of hanging the net and the hanging pipe is operated by hands, and the operation of easily triggering a high falling object by using a small tool or loosening a bolt and the like is not needed, so that the operation safety is ensured.
In addition, according to the net hanging construction flow recorded by the CN201010175310.9 high-altitude net hanging crossing construction method, the fine insulating rope is turned over the crossed object, then the fine insulating rope is used for dragging the high-strength nylon rope, and the high-strength nylon rope is used for dragging the carrier rope. The anchor piles and the fixed carrier ropes are arranged at the two sides of the crossing tower, the overhead wire hanging pulley block is installed and hung, the overhead ground wire, the upper wire and the lower wire are pulled, and finally the overhead wire hanging and the carrier ropes are recovered, so that construction can be performed under the conditions that crossing frames such as important crossing, complex crossing object terrain, ultra-high crossing height, large crossing object span and the like cannot be erected. However, the crossing platform of the protection net is built or is mainly operated manually, more manpower is needed in the net hanging process, hauling ropes with different diameters are dragged back and forth, workers are required to climb to the high-altitude platform for operation, and the operation risk is increased.
Disclosure of Invention
The invention aims to solve the technical problems that a large amount of labor is needed to build an existing high-altitude cross-net, the labor intensity of operators is high, and potential safety hazards exist.
The invention solves the other technical problem of providing a net hanging method of a layout device of a power crossing net hanging.
The aim of the invention is realized by the following technical scheme:
the utility model provides a layout device of electric power crossing hanging net, includes chassis, lifting mechanism, strides across flexible arm, first lead frame, second lead frame and hanging net rope containing box, lifting mechanism is connected with the chassis, and the one end of striding across flexible arm is connected with lifting mechanism, and its tip is equipped with hanging net rope containing box, and the other end of striding across flexible arm is equipped with landing leg mechanism, the both ends of striding across flexible arm are equipped with first lead frame and second lead frame respectively, and first lead frame and second lead frame are connected with hanging net guide rope of hanging net rope containing box. The invention adopts the mechanized device to replace the traditional manual platform construction, and the lifting mechanism is lifted and spans the expansion arm to span the road, the railway or the river and other obstacle areas, thereby improving the construction efficiency and ensuring the operation safety.
Further, an angle adjusting device is further arranged between the chassis and the crossing telescopic arm, and the crossing and falling point positions of the crossing telescopic arm are accurately adjusted through the angle adjusting device.
Further, a turntable is arranged on the foundation frame of the chassis, and a movable counterweight is arranged on the turntable, so that the problem of unbalance of the device caused by extension of a spanning telescopic arm is solved.
Further, the first lead frame, the second lead frame and the crossing telescopic arm are connected through a rotating device, when the lead frame does not work, the horizontal superposition of the lead frame and the crossing telescopic arm is kept, the occupied space of the device is reduced, and when the lead frame works, the lead frame is rotated and unfolded.
Further, the first lead frame and the second lead frame comprise a support frame, a net hanging support frame and unfolding driving parts, one end of the net hanging support frame is hinged to two ends of the support frame, and unfolding driving parts for unfolding and folding the net hanging support frame are arranged between the net hanging support frame and the support frame.
Further, the leg mechanism includes a middle leg and a pair of opposite side legs, the middle leg serving as a fulcrum to enhance stability of the spanned telescoping arm when the spanned area is too wide.
Further, the supporting leg mechanism is of a telescopic structure or a foldable driving structure.
Further, the chassis is provided with supporting legs or a movable crawler device, and a proper movable and stable mode is selected according to the road surface condition.
A method for hanging a net by a layout device of a power crossing hanging net comprises the following steps:
s1, transporting electric power to a construction site through a layout device of a crossing net, and enabling a chassis to extend out of a jacking mechanism to adjust the height and keep the height horizontal;
s2, lifting the crossing telescopic arm to a designated height by the lifting mechanism, extending the crossing telescopic arm towards the other side until crossing an obstacle or a channel, moving the counterweight backwards at the same time, keeping the stability of the layout device, opening the supporting leg mechanism when the crossing telescopic arm extends to a target position, adjusting the supporting leg mechanism to a state vertical to the ground, and extending the supporting leg mechanism to contact the ground;
s3, the first lead frame and the second lead frame which are arranged above the crossing telescopic arm rotate from the direction which is coincident with the crossing telescopic arm to be vertical to the crossing telescopic arm, the net hanging support is opened from the support frame by the unfolding mechanism, and net hanging guide ropes which are arranged in the net hanging rope storage box are taken out by the net hanging support frame, so that net hanging is completed;
s4, net collecting is carried out after net hanging is completed, and the net collecting process is opposite to the net hanging process.
Further, in the extending process of the crossing telescopic arm in the step S2, the middle supporting leg mechanism crossing the middle section of the telescopic arm is opened and adjusted to be vertical to the ground, then the middle supporting leg mechanism is stretched to be in contact with the ground, and the opposite side supporting leg mechanism is opened and supported to the ground after the middle supporting leg mechanism continues to extend to the target position.
Compared with the prior art, the beneficial effects are that:
according to the electric crossing net laying device, an automatic mechanical design is adopted, and a crossing platform is formed through lifting of the lifting mechanism and extension of the crossing telescopic arm to cross an obstacle region, so that compared with a traditional platform, manual operation is reduced, platform building progress is quickened, and operation safety is greatly improved. Meanwhile, the first lead frame and the second lead frame can rapidly bring out the net hanging rope in the net hanging rope storage box, so that the situation that a worker needs to climb to a high altitude to pull is avoided, and the safety of staff is ensured.
The invention also provides a net hanging method based on the electric crossing net hanging layout device, the net hanging method is lifted to a certain height directly through the lifting mechanism, the net hanging rope is directly driven to lay through the expansion of the lead frame after the platform is fixedly built by expanding the crossing telescopic arm, the net hanging process is efficient in wiring, and the preparation time before net hanging is greatly reduced. In practical application, for example, when the electric power spans the highway and spans the layout device of the hanging net, only one emergency lane is occupied, and the position point of the middle supporting leg of the spanning telescopic arm, which is contacted with the ground, falls into the highway protection zone, so that the normal vehicle passing of the highway is not influenced in the whole process of unfolding.
Drawings
FIG. 1 is a diagram showing a layout apparatus of a power span grid in embodiment 1;
FIG. 2 is a diagram showing a layout of a power span grid in example 2;
FIG. 3 is a diagram showing a layout of a power span grid in example 3;
fig. 4 is a diagram showing a layout of a power span net in embodiment 3.
The lifting mechanism comprises a chassis 1, a lifting mechanism 2, a crossing telescopic arm 3, a lead frame 4, a movable counterweight 5, a net hanging rope storage box 6, a lifting mechanism 7, a crawler belt 8, a middle supporting leg 9, a contralateral supporting leg 10, a slewing bearing 11, a turntable 12, a counterweight cylinder 13, a luffing jib 14, a lifting drive 15, a driving cylinder 16, a driving cylinder 17, a supporting frame 18, a net hanging support 19 and a net hanging guide rope 20.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear) are involved in the embodiment of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed. If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, the present embodiment provides a layout device for a power crossing net, which includes a chassis 1, a lifting mechanism 2, a crossing telescopic arm 3, a lead frame 4 and a net hanging rope storage box 6.
The jacking mechanism 7 is arranged around the foundation frame of the chassis 1 and can be used for supporting the chassis 1. The foundation frame is provided with a turntable 12, and the movable counterweight 5 is arranged on the turntable 12. The chassis 1 is provided with a lifting mechanism 2, and one end of a crossing telescopic arm 3 is connected above the lifting mechanism 2.
The crossing telescopic arm 3 consists of a multi-stage telescopic rod, a net hanging rope storage box 6 is fixed at the end part of the first-stage telescopic rod connected with the lifting mechanism 2, an opposite-side supporting leg 10 is hinged below the tail-end telescopic rod, and a driving oil cylinder is arranged between the opposite-side supporting leg 10 and the tail-end telescopic rod. And lead frames 4 are respectively arranged above the first section of telescopic rod and the tail end of telescopic rod.
The lead frame 4 comprises a first lead frame 4 and a second lead frame 4, the first lead frame 4 and the second lead frame 4 comprise a supporting frame 18, a net hanging support 19 and unfolding driving, the end part of the net hanging support 19 is hinged with the supporting frame 18, and the unfolding driving is arranged between the end part of the net hanging support and the supporting frame, and can control the unfolding and the folding of the net hanging support 19. The net hanging support 19 of the first lead frame 4 and the second lead frame 4 is connected with the net hanging guide rope 20 of the net hanging rope storage box 6.
Example 2
As shown in fig. 2, the present embodiment provides a layout device for a power crossing net, which includes a chassis 1, a lifting mechanism 2, a crossing telescopic arm 3, a lead frame 4 and a net hanging rope storage box 6.
The chassis 1 is characterized in that a crawler belt 8 is arranged on the side edge of a foundation frame, a slewing bearing 11 is arranged on the foundation frame, a turntable 12 is connected with the foundation frame through the slewing bearing 11, and a movable counterweight 5 is arranged on the turntable 12 and driven by a counterweight cylinder 13. One end of the crossing telescopic arm 3 is connected with the slewing bearing 11 through an amplitude-variable arm support 14, and a lifting drive 15 is further arranged between the crossing telescopic arm 3 and the slewing bearing 11.
The crossing telescopic boom 3 consists of a multi-stage telescopic rod, a net hanging rope storage box 6 is fixed at the end part of a first-stage telescopic rod connected with a luffing jib 14, a middle supporting leg 9 is hinged below a middle-stage telescopic rod, a first driving oil cylinder 16 is arranged between the middle supporting leg 9 and the middle-stage telescopic rod, a contralateral supporting leg 10 is hinged below a tail-end telescopic rod, and a first driving oil cylinder 16 is arranged between the contralateral supporting leg 10 and the tail-end telescopic rod. And lead frames 4 are respectively arranged above the first section of telescopic rod and the tail end of telescopic rod.
The lead frame 4 comprises a first lead frame 4 and a second lead frame 4, the lead frame 4 comprises a support frame 18, a net hanging support 19 and unfolding driving, the end part of the net hanging support 19 is hinged with the support frame 18, and the unfolding driving is arranged between the end part of the net hanging support 19 and the support frame, and can control the unfolding and folding of the net hanging support 19. The net hanging support 19 of the first lead frame 4 and the second lead frame 4 is connected with the net hanging guide rope 20 of the net hanging rope storage box 6.
Example 3
3-4, the present embodiment provides a layout device for electric power crossing hanging net, comprising a chassis 1, a lifting mechanism 2, a crossing telescopic arm 3, a lead frame 4 and a hanging net rope storage box 6.
The jacking mechanism 7 is arranged around the foundation frame of the chassis 1 and can be used for supporting the chassis 1. The basic frame is provided with a slewing bearing 11, the turntable 12 is connected with the basic frame through the slewing bearing 11, and the movable counterweight 5 is arranged on the turntable 12 and driven by a counterweight cylinder 13. One end of the crossing telescopic arm 3 is connected with the slewing bearing 11 through an amplitude-variable arm support 14, and a lifting drive 15 is further arranged between the crossing telescopic arm 3 and the slewing bearing 11.
The crossing telescopic boom 3 consists of a multi-stage telescopic rod, a net hanging rope storage box 6 is fixed at the end part of a first-stage telescopic rod connected with a luffing jib 14, a middle supporting leg 9 is hinged below a middle-stage telescopic rod, a first driving oil cylinder 16 is arranged between the middle supporting leg 9 and the middle-stage telescopic rod, a contralateral supporting leg 10 is hinged below a tail-end telescopic rod, and a second driving oil cylinder 17 is arranged between the contralateral supporting leg 10 and the tail-end telescopic rod. And lead frames 4 are respectively arranged above the first section of telescopic rod and the tail end of telescopic rod.
The lead frame 4 comprises a first lead frame 4 and a second lead frame 4, which are respectively connected with a first section of telescopic rod and a tail end telescopic rod through a rotating mechanism, when the lead frame 4 is not used, the lead frame 4 and the telescopic rod are ensured to be parallel in direction, and occupied space is avoided. The first lead frame 4 and the second lead frame 4 comprise a supporting frame 18, a net hanging bracket 19 and unfolding driving, the end part of the net hanging bracket 19 is hinged with the supporting frame 18, and the unfolding driving is arranged between the end parts of the net hanging bracket 19 and can control the unfolding and the folding of the net hanging bracket 19. The net hanging support 19 of the first lead frame 4 and the second lead frame 4 is connected with the net hanging guide rope 20 of the net hanging rope storage box 6.
Example 4
The method for providing a grid-hanging method based on the layout device for crossing a grid by using electric power according to embodiment 3 is specifically applied to crossing a highway, and the steps include:
s1, conveying electric power in a furled state to an emergency lane of a construction site by crossing a layout device of a hanging net, and extending a jacking mechanism 7 of a chassis 1 to adjust the height and keep the layout device horizontal;
s2, lifting the drive 15 to work, driving the amplitude boom 14 to lift the crossing telescopic boom 3 to a specified height, and starting the telescopic rod crossing the telescopic boom 3 to extend towards the other side of the expressway until crossing an obstacle or a channel. At the same time, the movable counterweight 5 moves backwards under the driving action, so that the stability of the layout device is maintained. In the extending process of the crossing telescopic arm 3, the middle supporting leg 9 of the middle telescopic rod of the crossing telescopic arm 3 is opened under the driving of the first driving oil cylinder 16 and is adjusted to be vertical to the ground, then the middle supporting leg is stretched to be in contact with the ground of the middle green belt of the expressway, after the crossing telescopic arm 3 extends to the other side of the expressway, the opposite side supporting leg 10 is opened under the driving of the second driving oil cylinder 17 and is adjusted to be vertical to the ground, and then the middle supporting leg is stretched to be in contact with the ground to prop up the ground.
S3, the first lead frame 4 and the second lead frame 4 which are arranged above the crossing telescopic arm 3 rotate from the direction which is coincident with the crossing telescopic arm 3 to be vertical to the crossing telescopic arm 3, the net hanging support 19 is opened from the supporting frame 18 by unfolding driving, and along with the extension of the crossing telescopic arm 3, the net hanging support 19 brings out the net hanging guide rope 20 which is arranged in the net hanging rope storage box 6, so that net hanging is completed;
s4, net collecting is carried out after net hanging is completed, and the net collecting process is opposite to the net hanging process.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a layout device of electric power crossing hanging net, its characterized in that includes chassis, elevating system, strides across flexible arm, lead frame and hanging net rope containing box, elevating system is connected with the chassis, and the one end of striding across flexible arm is connected with elevating system, and the end of striding across flexible arm is equipped with hanging net rope containing box, is equipped with landing leg mechanism on the flexible arm of striding across, the both ends of striding across flexible arm are equipped with first lead frame and second lead frame respectively, and first lead frame and second lead frame are connected through hanging net guide rope of hanging net rope containing box.
2. The power span wire laying device according to claim 1, wherein an angle adjusting device is further provided between the chassis and the span telescopic arm.
3. The device for arranging the electric crossing hanging net according to claim 1, wherein a turntable is arranged on a base frame of the chassis, and a movable counterweight is arranged on the turntable.
4. The power span wire routing device of claim 1, wherein the first lead frame, the second lead frame, and the span telescoping arm are connected by a swivel device.
5. The device for laying the electric power crossing net according to claim 1, wherein the first lead frame and the second lead frame comprise a supporting frame, a net hanging support and a unfolding drive, one end of the net hanging support is hinged with the supporting frame, and the unfolding drive for unfolding and folding the net hanging support is arranged between the net hanging support and the supporting frame.
6. The power span wire routing device of claim 1, wherein the leg mechanism comprises a middle leg and a contralateral leg.
7. The power span wire arrangement device of claim 1, wherein the leg mechanism is a telescoping structure or a collapsible drive structure.
8. The power span wire laying device of claim 1 wherein the chassis is mounted with support legs or a mobile crawler.
9. A method of screening a layout device for a power span screening according to any of claims 1-8, comprising the steps of:
s1, transporting electric power to a construction site through a layout device of a crossing net, and enabling a chassis to extend out of a jacking mechanism to adjust the height and keep the height horizontal;
s2, lifting the crossing telescopic arm to a designated height by the lifting mechanism, extending the crossing telescopic arm towards the other side until crossing an obstacle or a channel, moving the counterweight backwards at the same time, keeping the stability of the layout device, opening the supporting leg mechanism when the crossing telescopic arm extends to a target position, adjusting the supporting leg mechanism to a state vertical to the ground, and extending the supporting leg mechanism to contact the ground;
s3, the first lead frame and the second lead frame which are arranged above the crossing telescopic arm rotate from the direction which is coincident with the crossing telescopic arm to be vertical to the crossing telescopic arm, the net hanging support is unfolded and driven to be opened from the support frame, and the net hanging support brings out net hanging guide ropes which are arranged in the net hanging rope storage box, so that net hanging is completed;
s4, net collecting is carried out after net hanging is completed, and the net collecting process is opposite to the net hanging process.
10. The method for mounting a power span wire arrangement device according to claim 9, wherein in the step S2, during the extension of the span telescopic arm, the middle leg of the middle section of the span telescopic arm is opened and adjusted to be vertical to the ground, then the power span wire arrangement device is extended to be in contact with the ground, and after the power span wire arrangement device is extended to the target position, the opposite leg is opened and grounded.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310449384.4A CN116995573A (en) | 2023-04-24 | 2023-04-24 | Electric power crossing net hanging layout device and net hanging method |
| CN2023104493844 | 2023-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117767166A true CN117767166A (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310449384.4A Pending CN116995573A (en) | 2023-04-24 | 2023-04-24 | Electric power crossing net hanging layout device and net hanging method |
| CN202311489890.2A Pending CN117767166A (en) | 2023-04-24 | 2023-11-09 | Electric power crossing net hanging layout device and net hanging method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202310449384.4A Pending CN116995573A (en) | 2023-04-24 | 2023-04-24 | Electric power crossing net hanging layout device and net hanging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117394206A (en) * | 2023-12-13 | 2024-01-12 | 邯郸欣和电力建设有限公司 | Circuit screen sealing equipment |
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2023
- 2023-04-24 CN CN202310449384.4A patent/CN116995573A/en active Pending
- 2023-11-09 CN CN202311489890.2A patent/CN117767166A/en active Pending
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