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Patent Information & Production OptionsTool for Live Disassembly of Bird Repellers on Power Lines · Patent CN118106916B

Patent CN118106916B: bibliographic data, legal status, family, a plain-language reading of the claims, plus customization, US compliance points and how a manufacturing project runs.

At a glance

Patent numberCN118106916B (application CN202410523808)
TypeChina invention patent (发明专利) - protects product shape, structure, and method
Original titleTool for Live Disassembly of Bird Repeller (一种带电拆装驱鸟器的工具)
Patent ownerJining Power Supply Co of State Grid Shandong Electric Power Co Ltd
InventorsZhai Enteng, Chen Zhihao, Li Nan, Wang Annning, Wang Changting, Yan Feng, Li Bingliang, Gu Shiqiang, Tian Yanning, Yang Mingwei, Sun Shihui, Bian Ning
Filing date2024-04-29
Grant date2024-06-28
Status (China)In force - valid until at most 2044-04-29, subject to payment of annual fees
Patent familyChinese filings only - no US, European, Japanese, PCT or other filings listed
Cited by0 later documents
SourceGoogle Patents (search for CN118106916B)

What the claims cover, in plain language

Claim 1 defines a tool comprising a main body mounting plate (1), a rear plate (2), and a front baffle (3). A movable screw (4) connects the rear and front plates, driving a movable slider (5) along a groove (7). The slider carries a sliding mounting plate (8) connected to a butt joint plug board (11) via a connecting upright rod (10). An operating rod (16) passes through a top positioning sleeve (15) and interacts with bevel gears (14, 17) to transmit motion. The upper part of the operating rod includes a rotary sleeve structure (19) with a sleeve mounting box (20), butt joint sleeve (21), and driving sleeves (22) linked by transmission gears (23). This configuration allows the tool to lift, position, and tighten/loosen the repeller’s bolts.

Claims 2-5 specify structural details: the vertical arrangement of the supporting rod and operating rod, the T-shape of the plug block, the two-semicircle design of the connecting clamp ring, and the inclusion of a hand bracket (28) and bottom positioning sleeve (29) for operator support.

This is a simplified reading for orientation only. The legal scope is defined by the exact claim wording in the official Chinese document.

What this means for US production

This patent was filed only in China and is currently in force. Making, using, or selling this specific tool design in China would require permission from the patent owner. However, since there are no US or foreign family members, the patent does not restrict manufacturing or sales in the United States based on this specific IP right.

Two points to settle early:

  • Other patents may exist. Utility maintenance tools are a competitive field. While this specific combination of bevel gears and screw sliders appears novel in this filing, prior art searches should verify freedom-to-operate regarding similar live-line tools or generic power tool mechanisms. A freedom-to-operate (FTO) review is recommended before mass production.
  • Material Safety. Tools used near energized lines must meet strict insulation and strength standards. Material selection directly impacts compliance with OSHA and IEEE standards for live-line work.

Customization and manufacturing

What can be customized

AreaOptions
MaterialsAluminum alloys for weight reduction; steel for high-stress gears; insulated fiberglass handles
DimensionsLength of operating rod and screw travel adjusted for different pole heights
GearingGear ratios modified for higher torque or faster cycling
InterfacePlug board dimensions adapted to various bird repeller bolt patterns
FinishAnti-corrosion coatings (zinc, epoxy) for outdoor exposure

Things to plan for (US market)

  • OSHA 1910.269: Regulations for electric power generation, transmission, and distribution. Tools must be rated for the voltage levels they encounter.
  • ASTM F711: Standard specification for conductive materials for protective grounding equipment (relevant if any metal parts interact with grounded systems).
  • IEEE Std 516: Guide for maintenance methods for transformers on electric power circuits (general context for live-line work tools).
  • ANSI C119.2: Performance requirements for hot stick accessories (if the tool is used as an extension).

How a project runs

  1. Inquiry - Define voltage class, repeller types, and quantity.
  2. Design - CAD modeling of gear trains and slider mechanisms; material selection for insulation/strength.
  3. Prototype - Machined samples for fit-check against actual bird repellers.
  4. Testing - Mechanical load tests and insulation resistance checks.
  5. Production - Die-casting housings, machining gears, assembling with screws and press-fit pins.

Quantities & timeline

The complexity lies in the gear transmission and quick-detach interfaces. Precision machining is required for the bevel gears and screw threads. Surface finishing and assembly steps dominate the post-machining timeline. Send us your voltage requirements, repeller specifications, estimated quantity and target price and we will reply with options.

Production notes

Tooling and process

Likely involves die-cast aluminum for the main body to reduce weight, while gears require heat-treated steel or glass-filled nylon for durability. Machining is critical for the screw threads and gear teeth.

Cost drivers

Cutting edge machining for precise gear profiles and shaft alignment typically impacts cost significantly. The number of stamping dies for brackets and the assembly steps for the multi-gear system also drive expenses.

Prototyping path

Prototyping typically starts with 3D-printed handles for ergonomic testing, followed by machined blades/gears for functional validation. Heat-treatment trial coupons ensure gear hardness meets spec before full production.

What we would change before tooling

We would likely adjust wall thicknesses in the housing to prevent cracking under load. Optimizing the thread engagement of the movable screw could improve longevity and reduce wear.

Common failure points

Pivot pin wear and shaft/bearing alignment issues typically pose risks in gear-heavy tools. Handle creep under load and coating wear from environmental exposure are also concerns.

Patent drawings

Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 1
Fig. 1 - Overall structure of the tool.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 2
Fig. 2 - Side view showing gear transmission.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 3
Fig. 3 - Top view of the mounting plate.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 4
Fig. 4 - Detail of the movable slider mechanism.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 5
Fig. 5 - Exploded view of the rotary sleeve structure.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 6
Fig. 6 - Cross-section of the gearbox.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 7
Fig. 7 - Connection interface detail.
Tool for Live Disassembly of Bird Repellers on Power Lines - Patent Fig. 8
Fig. 8 - Operational state diagram.

Drawings reproduced from the public patent document for reference.

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This page is based on the public patent document CN118106916B, assigned to Jining Power Supply Co of State Grid Shandong Electric Power Co Ltd. IP2M is an independent manufacturing service and is not affiliated with, endorsed by or licensed by the patent owner. Images marked as concept renderings are illustrations, not photos of an existing product. Patent status information is provided for reference only and is not legal advice; confirm freedom to operate for your market before production. Full disclaimer.