Protective fence for electric power operation
By designing movable node units and walking devices for power operation protection fencing, the problems of inconvenient fencing movement and limited functionality have been solved, achieving efficient fencing assembly and enhanced warning effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-31
AI Technical Summary
Existing power operation protection fences are inconvenient to move and change the fence area, have limited functionality, and affect operation efficiency.
Design a power operation protection fence that includes node units and a walking device. The node units can be quickly assembled by limiting devices, and the walking device is equipped with casters and directional wheels for easy movement. The node unit includes a post and a warning light. The post is equipped with a spring reel to automatically retract the warning ribbon to enhance the warning effect.
It enables convenient movement and rapid assembly of the fence, improves work efficiency, enhances nighttime warning effects, and reduces the time spent on repeated equipment handling and manual operation.
Smart Images

Figure CN224064066U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of power operation safety technology, and in particular relates to a power operation protection fence. Background Technology
[0002] Power work protection fencing is a protective facility used to ensure safety at power construction sites. It primarily isolates hazardous areas, prevents unauthorized personnel from entering the work area, and ensures the safety of construction workers and surrounding personnel. In situations such as power construction, equipment maintenance, or emergency repairs, protective fencing effectively demarcates work areas, alerts passersby to safety precautions, and prevents accidents. Simultaneously, it provides construction workers with clear work boundaries, helping to improve work efficiency and safety. The proper use of power work protection fencing is one of the important measures for implementing safe production.
[0003] Comparing with Chinese Patent CN207934580U, a protective fence for power engineering operations is disclosed, including a left vertical pole, a connecting pole, a solar panel, a base, a power storage device, a right vertical pole, a horizontal pole, a warning light, an infrared sensor, an alarm, a groove, and a baffle. A connecting pole is installed at the top of the left vertical pole, and the solar panel is installed on the upper end of the connecting pole. A base is located at the bottom of the left vertical pole, and a power storage device is installed inside the base. A right vertical pole is located at the right end of the left vertical pole. Infrared sensors are installed in the middle of both the left and right vertical poles. If a person approaches, the infrared sensors can detect them, triggering the alarm to provide both audible and flashing warnings, thus increasing the warning effect. A support pole is connected to the middle of the rear end of the horizontal pole, increasing the stability of the fence and solving the problem of easy tipping. The support pole is composed of telescopic joints, whose adjustable length is suitable for different terrains, and its telescopic design facilitates transportation.
[0004] However, the aforementioned patents do not allow for easy movement and alteration of the enclosure area, reducing the convenience of power operation protection. Furthermore, they can only provide enclosure alarm warnings, which is a single function and seriously affects the efficiency of fast-paced power operation protection. Therefore, a new device needs to be designed. Utility Model Content
[0005] The purpose of this utility model is to provide a protective fence for power operations to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A power operation protection fence includes several node units for interconnecting to enclose and warn of the work area, and a walking device for supporting movement and placing tools. The walking device is equipped with limiting devices for securing and temporarily forming fence nodes. The node units are inserted into the limiting devices. The walking device includes a base plate with two symmetrically mounted casters at one end of the bottom and two symmetrically mounted directional casters at the end of the bottom away from the casters. A placement platform is fixedly mounted on the base plate near the casters, and a toolbox is located below the placement platform. A force-applying component is located on the base plate near the directional casters. The limiting device includes a limiting frame with several limiting seats evenly distributed on its side, and two auxiliary seats symmetrically arranged at both ends of the limiting frame.
[0008] Furthermore: the node unit includes a base, on which a column is rotatably mounted, a warning light is mounted on the top of the column, a battery box is disposed in the middle of the column, the battery box and the warning light are electrically connected, and a fencing assembly for splicing together to form an area is disposed on the top of the column.
[0009] Furthermore: the enclosure assembly includes a spring roller installed in the middle of the column, a warning ribbon is wound around the spring roller, a limit rod is installed at one end of the warning ribbon that extends out of the column, and a main bracket is fixedly provided on the side of the column away from the limit rod.
[0010] Furthermore: the force-applying component includes two symmetrically arranged upright frames, a push rod is installed between the tops of the upright frames, and the upright frames are bolted to the side of the base plate.
[0011] Furthermore, the surface of the push rod is covered with an anti-slip sleeve, which is made of natural rubber.
[0012] Furthermore: the limiting frame is provided with limiting grooves and locking pins at both ends, and the locking pins are threadedly connected to the ends of the limiting frame.
[0013] Compared with existing technologies, the beneficial effects are:
[0014] By combining the fence node unit with the tool transportation function, the mobile platform with omnidirectional / directional wheels can achieve the dual function of tool handling and temporary fence nodes, reducing repeated equipment handling and improving work efficiency.
[0015] Both the node unit (post + warning ribbon) and the walking device can be used as components of the fence. They can be quickly assembled through the limiting device (limiting card seat / sub-card seat) to adapt to the size requirements of different work areas and solve the problem of insufficient number of nodes or limited layout of traditional fences.
[0016] The height of the limit bracket is adjustable through a sliding groove and locking pins to adapt to different working environments; the plug-in design of the limit bracket and the column simplifies the installation process and ensures the stability of the fence.
[0017] The pillar integrates a battery-powered warning light, enhancing the warning effect at night or in low-visibility environments; the spring reel automatically retracts the warning ribbon, reducing manual storage time and preventing the ribbon from getting tangled. Attached Figure Description
[0018] Figure 1 This is a structural schematic diagram of a power operation protection fence according to the present invention;
[0019] Figure 2 This is a top-view axonometric drawing of the walking device of the power operation protection fence described in this utility model;
[0020] Figure 3 This is a bottom-view axonometric drawing of the walking device of the power operation protection fence described in this utility model;
[0021] Figure 4 This is a schematic diagram of a limiting device for a power operation protection fence as described in this utility model;
[0022] Figure 5 This is a schematic diagram of a node unit of a power operation protection fence as described in this utility model;
[0023] Figure 6 This is a front view of a node unit of a power operation protection fence as described in this utility model.
[0024] In the attached diagram, the following are the reference numerals: 101, base plate; 102, upright frame; 103, push rod; 104, caster wheel; 105, directional wheel; 106, toolbox; 107, placement platform; 201, limit frame; 202, limit bracket; 203, secondary bracket; 204, locking pin; 205, limit slide; 301, column; 302, base; 303, warning light; 304, battery box; 305, spring reel; 306, main bracket; 307, limit rod; 308, warning ribbon. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figures 1-6A power operation protection fence includes several node units for splicing together to enclose the operation area for warning purposes, and also includes a walking device for supporting movement and placing tools. The walking device is equipped with a limiting device for clamping and fixing and temporarily forming fence nodes, and the node units are inserted into the limiting device.
[0027] In this embodiment: the walking device includes a base plate 101, with two omnidirectional wheels 104 symmetrically mounted on one end of the bottom of the base plate 101, and two directional wheels 105 symmetrically mounted on the end of the bottom of the base plate 101 away from the omnidirectional wheels 104. A placement platform 107 is fixedly mounted on the base plate 101 near the end of the omnidirectional wheels 104, and a toolbox 106 is provided below the placement platform 107. A force-applying component is provided on the base plate 101 near the end of the directional wheels 105; the force-applying component includes two symmetrically arranged upright frames 102. A push rod 103 is installed between the top and the side bolts of the upright frame 102 and the base plate 101. The surface of the push rod 103 is covered with an anti-slip sleeve made of natural rubber. By gripping the push rod 103 and applying force, the base plate 101 is pushed by the upright 301 plate to move to the power operation area with the support of the casters 104 and the directional wheels 105. If the walking device is not needed as a node, the walking device can be pushed to the operation area and the tools in the toolbox 106 can be placed on the placement platform 107 for use.
[0028] In this embodiment: the limiting device includes a limiting frame 201, with several limiting seats 202 evenly distributed on the side of the limiting frame 201, and two auxiliary seats 203 symmetrically arranged at both ends of the limiting frame 201; the limiting frame 201 is provided with limiting grooves 205 and locking pins 204 at both ends, and the locking pins 204 are threadedly connected to the ends of the limiting frame 201; under the restriction of the limiting grooves 205, the limiting frame 201 slides up and down along the upright frame 102, the height is adjusted to a suitable position, and the locking pins 204 are tightened to fix it, and the upright 301 is inserted into the limiting seats 202 on the limiting frame 201 for fixation, and the auxiliary seats 203 are used to hold and fix the limiting rod 307 when the walking device temporarily acts as a node;
[0029] In this embodiment: the node unit includes a base 302, on which a column 301 is rotatably mounted. A warning light 303 is mounted on the top of the column 301. A battery box 304 is disposed in the middle of the column 301. The battery box 304 and the warning light 303 are electrically connected. A fencing assembly for interlocking to form an area is disposed on the top of the column 301. The fencing assembly includes a spring roller 305 mounted in the middle of the column 301. A warning ribbon 308 is wound on the spring roller 305. A limit rod 307 is installed at one end of the warning ribbon 308 that extends out of the column 301. A main bracket 306 is fixedly disposed on the side of the column 301 away from the limit rod 307. The column 301 is pulled out from the limit bracket 202 and the column is... The 301 is placed on each node of the work area via the base 302. Then, the warning ribbon 308 is pulled out by the limiting rod 307 on one column 301. The limiting rod 307 is inserted into the main card seat 306 on another column 301 or the auxiliary card seat 203 at the end of the limiting frame 201 to form a single-sided enclosure. At the same time, the spring coil 305 rotates to store elastic potential energy, ensuring that the spring coil 305 automatically winds the warning ribbon 308 when it is retrieved. Then, the columns 301 on each node are connected by the warning ribbon 308 in the above steps to enclose the entire work area and warn non-working personnel. At the same time, the battery box 304 supplies power to the warning light 303 to make the warning light 303 work and increase the visibility of the warning.
[0030] Working principle: Under the restriction of the limiting slide groove 205, the limiting frame 201 slides up and down along the upright frame 102. The height is adjusted to a suitable position, and the locking nail 204 is tightened to fix it. The column 301 is inserted into the limiting seat 202 on the limiting frame 201 and fixed. The power work tools are placed in the toolbox 106. The push rod 103 is held and force is applied. The column 301 pushes the base plate 101 to move to the power work area with the support of the casters 104 and the directional wheels 105. The column 301 is pulled out from the limiting seat 202 and placed on various nodes in the work area through the base 302. When there are not enough, the walking device can be temporarily moved to a node and then pulled out through the limiting rod 307 on one of the columns 301. The warning ribbon 308 is inserted into the main card seat 306 on another column 301 or the auxiliary card seat 203 at the end of the limit frame 201 to form a single-sided enclosure. At the same time, the spring coil 305 rotates to store elastic potential energy, ensuring that the spring coil 305 automatically winds the warning ribbon 308 when it is retrieved. Then, the columns 301 on each node are connected by the warning ribbon 308 according to the above steps to enclose the entire work area and warn non-working personnel. At the same time, the battery box 304 supplies power to the warning light 303 to make the warning light 303 work and increase the warning visibility. If the walking device is not needed as a node, the walking device can be pushed to the work area and the working tools in the toolbox 106 can be placed on the placement table 107 for use.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A power operation protection fence, comprising a plurality of node units for splicing each other to enclose an operation area for warning, characterized in that: It also includes a walking device for supporting, moving and placing tools, the walking device is provided with a limiting device for clamping, fixing and temporarily forming a fence node, and the node unit is inserted on the limiting device; The walking device comprises a bottom plate (101), two universal wheels (104) are symmetrically installed at one end of the bottom of the bottom plate (101), two directional wheels (105) are symmetrically installed at the end of the bottom of the bottom plate (101) away from the universal wheels (104), a placing table (107) is fixedly installed on the bottom plate (101) close to the universal wheels (104), a tool box (106) is arranged below the placing table (107), and a force applying assembly is arranged on the bottom plate (101) close to the directional wheels (105). The limiting device comprises a limiting frame (201), a plurality of limiting clamping seats (202) are uniformly distributed on the side surface of the limiting frame (201), and two auxiliary clamping seats (203) are symmetrically arranged at both ends of the limiting frame (201).
2. An electrical work protection fence according to claim 1, characterised in that: The node unit comprises a base (302), a stand column (301) is rotatably installed on the base (302), a warning light (303) is installed at the top end of the stand column (301), a battery box (304) is arranged in the middle of the stand column (301), the battery box (304) and the warning light (303) are electrically connected, and a fence assembly for mutually splicing to form a region is arranged at the top of the stand column (301).
3. An electrical work protection fence according to claim 2, characterised in that: The fence assembly comprises a spring reel (305) installed in the middle of the stand column (301), a warning ribbon (308) is wound on the spring reel (305), one end of the warning ribbon (308) penetrating out of the stand column (301) is provided with a limiting rod (307), and a main clamping seat (306) is fixedly arranged on the side of the stand column (301) away from the limiting rod (307).
4. An electrical work protection fence according to claim 1, characterised in that: The force applying assembly comprises two vertical plate frames (102) symmetrically arranged, a push rod (103) is installed between the top portions of the vertical plate frames (102), and the vertical plate frames (102) and the side edges of the bottom plate (101) are bolted.
5. An electrical work protection fence according to claim 4, characterised in that: The surface of the push rod (103) is pasted with an antiskid sleeve made of natural rubber.
6. An electrical work protection fence according to claim 1, characterised in that: The limiting frame (201) is provided with a limiting sliding groove (205) and a locking nail (204) at both ends, and the locking nail (204) is threadedly connected with the end head of the limiting frame (201).
Citation Information
Patent Citations
Electric power engineering operation is with protection rail
CN207934580U