Safety protection device for power plant maintenance

By designing the sliding and rotation mechanism of the protective frame and foot structure, the inconvenience and stability of the safety protection devices for power plant maintenance are solved, and convenient assembly and stable use are achieved.

CN223181660UActive Publication Date: 2025-08-01HANGZHOU ZHANGDING ELECTRIC POWER TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422347869.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-08-01
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing safety protection devices for power plant maintenance cannot achieve minimal collection, and are unstable in use and inconvenient assemblies.

Method used

A structure including a protective frame, a left foot, a foot arm, an operating block and a block plug is designed to minimize the collection of the device through a sliding and rotary structure, and to improve assembly convenience and stability through an inner top spring and a sleeve shaft.

Benefits of technology

The device is minimized and the device is improved, and the stability of use and the convenience of assembly is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223181660U_ABST
    Figure CN223181660U_ABST
Patent Text Reader

Abstract

The utility model discloses a safety protection device for power plant maintenance, and relates to the technical field of electric power safety protection, the safety protection device comprises a protection and bearing frame, one end of the protection and bearing frame is provided with a bearing shaft, one end of the bearing shaft is provided with a plug limiting hole, the inner end of the plug limiting hole is provided with an inner top spring, and one end of the inner top spring is provided with a limiting plug. Through the arrangement of the protecting and bearing frame, the left supporting leg, the supporting leg arm, the operating block and the clamping block plug, a finger is inserted into a hooking hole formed in the front end of the operating block, the built-in block makes contact inwards to push the clamping block plug, the clamping block plug is made to be separated from the operating block, and at the moment, the operating block slides towards the middle of the protecting and bearing frame in the sliding way; the operation block drives the supporting leg arm to rotate in the arm limiting rotating hole, the right supporting leg and the left supporting leg are driven to rotate inwards at the same time through connection of the leg control shaft till the operation block is clamped with the clamping block on the other side of the sliding way, then the sleeve protection frame is operated to be rotationally attached to the protection bearing frame, and therefore multiple combinations can be attached front and back, and the effect of minimum collection of the device is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of electric power safety protection, in particular to a safety protection device for power plant maintenance. Background Art

[0002] In the power plant electric power maintenance work, there are often high voltages such as operating voltage, test voltage, and power supply voltage on the equipment at the work site. Therefore, it is necessary to use a safety fence to isolate the work area from the outside to prevent non-staff from accidentally entering the work area and causing personal injury. The existing protection devices have poor collection effects. Therefore, a safety protection device for power plant maintenance is needed.

[0003] When the existing safety protection device is in operation, it cannot achieve the effect of minimizing the collection of the device, and at the same time, it cannot effectively improve the stability of the device during use, and it cannot improve the convenience of device assembly. For this reason, a safety protection device for power plant maintenance is urgently needed. Summary of the Utility Model

[0004] Based on this, the purpose of the utility model is to provide a safety protection device for power plant maintenance, so as to solve the problems that when the existing safety protection device is in use, it cannot achieve the effect of minimizing the collection of the device, and at the same time, it cannot effectively improve the stability of the device during use, and it cannot improve the convenience of device assembly.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A safety protection device for power plant maintenance, including a protection support frame. One end of the protection support frame is installed with a bearing shaft. One end of the bearing shaft is provided with a limit plug hole. An inner top spring is installed at the inner end of the limit plug hole. One end of the inner top spring is installed with a limit plug. A sleeve protection frame is installed at the lower end of the limit plug.

[0006] A bottom coupling shaft is installed at the lower end of the protection support frame. A right support leg is installed at one end of the bottom coupling shaft. A left support leg is installed at one end of the bottom coupling shaft. A control leg shaft is installed at the upper end of the left support leg. A support leg arm is installed at one end of the control leg shaft. An operation block is installed at the upper end of the support leg arm. A limit arm rotation hole is opened at the lower end of the operation block. A hook hole is opened at one end of the operation block. An inner block is installed at the inner end of the hook hole. A slideway is opened at one end of the protection support frame. An internal hole is opened at the inner end of the protection support frame. An embedded spring is installed at the inner end of the internal hole. A block plug is installed at one end of the embedded spring.

[0007] A sleeve page shaft is installed in the middle of the protection support frame. A ventilation page is installed at one end of the sleeve page shaft. A shaft through hole is opened in the middle of the ventilation page.

[0008] Preferably, the limit plug forms a telescopic structure with the bearing shaft through the inner top spring, and the length of the bearing shaft in the middle position is greater than that of the bearing shaft in the upper and lower positions.

[0009] Preferably, the sleeve protection frame is snap - fitted to the bearing shaft through a limit plug, and the sleeve protection frame and the bearing protection frame form a rotating structure.

[0010] Preferably, the operating block forms a sliding structure with the bearing protection frame through a slideway, and the left support leg forms a rotating structure with the bearing protection frame through a support leg arm.

[0011] Preferably, the support leg arm forms a rotating structure with the operating block through a limit arm rotating hole, and the support leg arms are symmetrically arranged with respect to the central axis of the bearing protection frame.

[0012] Preferably, the built - in block forms a sliding structure with the operating block through a hooking hole, and the block plug is snap - fitted to the operating block through an embedded spring.

[0013] Preferably, the ventilation page forms a rotating structure with the bearing protection frame through a sleeve page shaft, and the inner end diameter of the through - shaft hole is larger than the outer end diameter of the sleeve page shaft.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By providing the bearing protection frame, left support leg, support leg arm, operating block and block plug in the present utility model, insert the finger into the hooking hole opened at the front end of the operating block, push the built - in block inward to contact and push the block plug, so that the block plug disengages from the operating block. At this time, slide the operating block in the slideway towards the middle of the bearing protection frame, so that the operating block drives the support leg arm to rotate in the limit arm rotating hole and drives the right support leg and the left support leg to rotate inward simultaneously through the connection of the control foot shaft until the operating block is snap - fitted with the block on the other side of the slideway. At this time, the inner end surfaces of the right support leg and the left support leg are in close contact, and their outer end surfaces are on the same horizontal line as the front and back surfaces of the bearing protection frame. Then operate the sleeve protection frame to rotate and fit with the bearing protection frame, and the multiple combinations can be fitted front and back to achieve the effect of minimizing the collection of the device.

[0016] 2. By providing the bearing protection frame and the ventilation page in the present utility model, the assembled device stands at the isolation position through the right support leg and the left support leg at the bottom, and a sleeve page shaft is provided in the middle of the bearing protection frame, and a ventilation page is sleeved on the sleeve page shaft. Mirror paint and reflective strips can be set on the surface of the ventilation page. When the wind blows, the ventilation page rotates and ventilates on the bearing protection frame, which can play a good reminder role and minimize the wind resistance of the device during use, improving the stability of the device during use.

[0017] 3. By providing the bearing protection frame, inner top spring, limit plug and sleeve protection frame in the present utility model, align the hole on one side of the sleeve protection frame with the bearing shaft on the bearing protection frame and then move it downward, and the bearing protection frame and the sleeve protection frame can be installed. The limit plug is pushed out of the limit plug hole by the acting force of the inner top spring to fix the position of the sleeve protection frame, improving the convenience of device assembly. Description of the Drawings

[0018] Figure 1This is the front elevation sectional view of the utility model;

[0019] Figure 2 This is the structural schematic diagram of the storage state of the utility model;

[0020] Figure 3 This is the structural schematic diagram of the disassembled state of the utility model;

[0021] Figure 4 This is the Figure 3 enlarged structural schematic diagram of part A in the utility model;

[0022] Figure 5 This is the Figure 3 enlarged structural schematic diagram of part B in the utility model.

[0023] In the figure: 1, protective bearing frame; 2, bearing shaft; 3, limiting plug hole; 4, inner top spring; 5, limiting plug; 6, sleeve protective frame; 7, bottom coupling shaft; 8, right support foot; 9, left support foot; 10, control foot shaft; 11, support foot arm; 12, operation block; 13, limiting arm rotation hole; 14, hook moving hole; 15, built-in block; 16, slideway; 17, internal hole; 18, embedded spring; 19, block plug; 20, page sleeve shaft; 21, ventilation page; 22, shaft through hole. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as limiting the present utility model.

[0025] Next, the embodiments of the present utility model will be described according to the overall structure of the present utility model.

[0026] Please refer to Figures 1-4 , a safety protection device for power plant maintenance, including a protective bearing frame 1, one end of the protective bearing frame 1 is installed with a bearing shaft 2, one end of the bearing shaft 2 is provided with a limiting plug hole 3, the inner end of the limiting plug hole 3 is installed with an inner top spring 4, one end of the inner top spring 4 is installed with a limiting plug 5, the lower end of the limiting plug 5 is installed with a sleeve protective frame 6, the limiting plug 5 and the bearing shaft 2 form a telescopic structure through the inner top spring 4, and the length of the bearing shaft 2 in the middle position is greater than that of the bearing shaft 2 in the upper and lower positions. The sleeve protective frame 6 is snap-connected to the bearing shaft 2 through the limiting plug 5, and the sleeve protective frame 6 and the protective bearing frame 1 form a rotating structure. After aligning the opening on one side of the sleeve protective frame 6 with the bearing shaft 2 on the protective bearing frame 1 and moving it downward, the protective bearing frame 1 and the sleeve protective frame 6 can be installed, and the limiting plug 5 is ejected from the limiting plug hole 3 by the acting force of the inner top spring 4 to fix the position of the sleeve protective frame 6, improving the convenience of device assembly.

[0027] Please refer to Figures 1-4, A safety protection device for power plant maintenance. A bottom coupling shaft 7 is installed at the lower end of the protection support frame 1. A right support foot 8 is installed at one end of the bottom coupling shaft 7. A left support foot 9 is installed at one end of the bottom coupling shaft 7. A control foot shaft 10 is installed at the upper end of the left support foot 9. A support foot arm 11 is installed at one end of the control foot shaft 10. An operation block 12 is installed at the upper end of the support foot arm 11. A limited arm rotation hole 13 is opened at the lower end of the operation block 12. A hook hole 14 is opened at one end of the operation block 12. An internal block 15 is installed at the inner end of the hook hole 14. A slideway 16 is opened at one end of the protection support frame 1. An internal hole 17 is opened at the inner end of the protection support frame 1. An embedded spring 18 is installed at the inner end of the internal hole 17. A block plug 19 is installed at one end of the embedded spring 18. The operation block 12 forms a sliding structure with the protection support frame 1 through the slideway 16. And the left support foot 9 forms a rotating structure with the protection support frame 1 through the support foot arm 11. The support foot arm 11 forms a rotating structure with the operation block 12 through the limited arm rotation hole 13. And the support foot arms 11 are symmetrically arranged with respect to the central axis of the protection support frame 1. The internal block 15 forms a sliding structure with the operation block 12 through the hook hole 14. And the block plug 19 is snap-connected with the operation block 12 through the embedded spring 18. Insert the finger into the hook hole 14 opened at the front end of the operation block 12, push the internal block 15 inward to contact and push the block plug 19, so that the block plug 19 is separated from the operation block 12. At this time, slide the operation block 12 in the slideway 16 towards the middle of the protection support frame 1, so that the operation block 12 drives the support foot arm 11 to rotate in the limited arm rotation hole 13 and drives the right support foot 8 and the left support foot 9 to rotate inward simultaneously through the connection of the control foot shaft 10 until the operation block 12 is snap-connected with the block plug 19 on the other side of the slideway 16. At this time, the inner end surfaces of the right support foot 8 and the left support foot 9 are closely attached, and their outer end surfaces are on the same horizontal line as the front and back surfaces of the protection support frame 1. Then operate the sleeve protection frame 6 to rotate and fit with the protection support frame 1, and multiple combinations can be attached front and back to achieve the effect of minimizing the collection of the device.

[0028] Please refer to Figures 1-4 , A safety protection device for power plant maintenance. A sleeve page shaft 20 is installed at the middle end of the protection support frame 1. A ventilation page 21 is installed at one end of the sleeve page shaft 20. A shaft through hole 22 is opened at the middle end of the ventilation page 21. The ventilation page 21 forms a rotating structure with the protection support frame 1 through the sleeve page shaft 20. And the inner diameter of the inner end of the shaft through hole 22 is larger than the outer diameter of the outer end of the sleeve page shaft 20. The assembled device stands at the isolation position through the right support foot 8 and the left support foot 9 at the bottom. And a sleeve page shaft 20 is arranged at the middle end of the protection support frame 1. And a ventilation page 21 is sleeved on the sleeve page shaft 20. Mirror paint and reflective strips can be set on the surface of the ventilation page 21. When the wind blows, the ventilation page 21 rotates and ventilates on the protection support frame 1, which can play a better reminder role and minimize the wind resistance of the device during use and improve the stability of the device during use.

[0029] Working principle: When in use, first align the opening on one side of the sleeve protection frame 6 with the bearing shaft 2 on the bearing support frame 1 and then move it downward, so that the bearing support frame 1 and the sleeve protection frame 6 can be installed. The limiting plug 5 is pushed out of the limiting plug hole 3 by the acting force of the inner top spring 4 to fix the position of the sleeve protection frame 6, improving the convenience of device assembly. And the assembled device stands at the isolation position through the right support foot 8 and the left support foot 9 at the bottom. And a sleeve page shaft 20 is provided in the middle of the bearing support frame 1, and a ventilation page 21 is sleeved on the sleeve page shaft 20. A mirror paint and a reflective strip can be provided on the surface of the ventilation page 21. When there is wind blowing, the ventilation page 21 rotates on the bearing support frame 1 for ventilation, which can play a good reminder role and minimize the wind resistance during the use of the device, improving the stability of the device during use. And when the device is not in use, the finger can be inserted into the hooking hole 14 opened at the front end of the operation block 12, and the built-in block 15 is pushed inward to contact and push the block plug 19, so that the block plug 19 is separated from the operation block 12. At this time, the operation block 12 is slid inward in the slideway 16 towards the middle of the bearing support frame 1, so that the operation block 12 drives the support foot arm 11 to rotate in the limiting arm rotation hole 13 and drives the right support foot 8 and the left support foot 9 to rotate inward simultaneously through the connection of the control foot shaft 10 until the operation block 12 is engaged with the block plug 19 on the other side of the slideway 16. At this time, the inner end surfaces of the right support foot 8 and the left support foot 9 are closely attached, and their outer end surfaces are flush with the front and back surfaces of the bearing support frame 1. Then the sleeve protection frame 6 is operated to rotate and fit with the bearing support frame 1, so that multiple combinations can be attached front and back to achieve the effect of minimizing the collection of the device. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0030] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A safety protection device for power plant maintenance, including a support frame (1), characterized in that: One end of the bearing support frame (1) is provided with a bearing shaft (2). One end of the bearing shaft (2) is provided with a limiting plug hole (3). An inner top spring (4) is installed at the inner end of the limiting plug hole (3). One end of the inner top spring (4) is provided with a limiting plug (5). A sleeve protection frame (6) is installed at the lower end of the limiting plug (5). A bottom coupling shaft (7) is installed at the lower end of the bearing support frame (1). A right support foot (8) is installed at one end of the bottom coupling shaft (7). A left support foot (9) is installed at one end of the bottom coupling shaft (7). A control foot shaft (10) is installed at the upper end of the left support foot (9). A support foot arm (11) is installed at one end of the control foot shaft (10). An operation block (12) is installed at the upper end of the support foot arm (11). A limiting arm rotation hole (13) is opened at the lower end of the operation block (12). A hook moving hole (14) is opened at one end of the operation block (12). An inner built-in block (15) is installed at the inner end of the hook moving hole (14). A slideway (16) is opened at one end of the bearing support frame (1). An inner set hole (17) is opened at the inner end of the bearing support frame (1). An inner embedded spring (18) is installed at the inner end of the inner set hole (17). A block plug (19) is installed at one end of the inner embedded spring (18). A sleeve page shaft (20) is installed in the middle of the bearing support frame (1). A ventilation page (21) is installed at one end of the sleeve page shaft (20). A shaft passing hole (22) is opened in the middle of the ventilation page (21).

2. The safety protection device for power plant maintenance according to claim 1, wherein: The limiting plug (5) and the bearing shaft (2) form a telescopic structure through the inner top spring (4), and the length of the bearing shaft (2) in the middle position is greater than that of the bearing shaft (2) in the upper and lower positions.

3. The safety protection device for power plant maintenance according to claim 1, characterized in that: The sleeve protection frame (6) is snap-connected to the bearing shaft (2) through the limiting plug (5), and the sleeve protection frame (6) and the bearing support frame (1) form a rotating structure.

4. A safety protection device for power plant maintenance according to claim 1, characterized in that: The operation block (12) and the bearing support frame (1) form a sliding structure through the slideway (16), and the left support foot (9) and the bearing support frame (1) form a rotating structure through the support foot arm (11).

5. The safety protection device for power plant maintenance according to claim 1, wherein: The support foot arm (11) and the operation block (12) form a rotating structure through the limiting arm rotation hole (13), and the support foot arms (11) are symmetrically arranged with respect to the central axis of the bearing support frame (1).

6. The safety protection device for power plant maintenance according to claim 1, wherein: The inner built-in block (15) and the operation block (12) form a sliding structure through the hook moving hole (14), and the block plug (19) and the operation block (12) are snap-connected through the inner embedded spring (18).

7. The safety protection device for power plant maintenance according to claim 1, wherein: The ventilation page (21) and the bearing support frame (1) form a rotating structure through the sleeve page shaft (20), and the inner end diameter of the shaft passing hole (22) is greater than the outer end diameter of the sleeve page shaft (20).