A fall protection structure for an engineering power maintenance platform

Abstract

The utility model relates to electric power maintenance platform technical field especially relates to a kind of engineering electric power maintenance platform anti-falling protection structure, including fixed plate, first protection component, connecting component and second protection component, the lower portion of fixed plate is provided with first protection component, the lower portion of fixed plate is provided with connecting component, the side of first protection component is provided with second protection component, first protection component includes connecting groove, lifting plate, pre-tight spring, contact spring, contact block, first motor, first lead screw, moving plate and guardrail, the upper portion of fixed plate is provided with connecting groove, connecting groove is provided with multiple groups, the inboard of connecting groove is provided with lifting plate;The utility model adopts the linkage structure of pressure response type lifting plate and motor drive guardrail, when detecting that the center of gravity of worker moves forward, trigger lead screw drive mechanism unfolds moving guardrail, forms dynamic buffering isolation zone, removes outside falling critical point, improves the protection performance of maintenance platform.

Description

Technical Field

[0001] This utility model relates to the field of power maintenance platform technology, and in particular to a fall protection structure for a power maintenance platform used in engineering. Background Technology

[0002] Traditional fall protection devices for power maintenance platforms mainly adopt a passive protection scheme that combines fixed guardrails and safety belts. Typical structures include: rigid metal guardrails fixed to the edge of the work platform with bolts; safety belt attachment points set at the four corners of the platform; and some high-end equipment equipped with manually deployable safety nets. The working principle is to restrict the range of personnel movement through physical barriers, forming a double protection with the safety belts. The core drawback of this type of device is that it relies entirely on manual operation and static protection mechanisms.

[0003] Current fixed guardrails cannot dynamically adjust their protective range according to human posture. When an operator leans forward, their center of gravity exceeds the guardrail's protection range to the critical point of falling, and traditional structures cannot provide immediate protection.

[0004] Therefore, to address the above problems, a fall protection structure for an engineering power maintenance platform is proposed. This structure uses a pressure-sensitive lifting plate and a motor-driven guardrail. When the forward shift of the worker's center of gravity is detected, the screw drive mechanism is triggered to deploy the moving guardrail, forming a dynamic buffer isolation zone. This shifts the fall threshold outward and improves the protective performance of the maintenance platform. Utility Model Content

[0005] In order to overcome the problem that in the daily use of traditional power maintenance platforms, the existing fixed guardrails cannot dynamically adjust the protection range according to the human body posture, and when the operator leans forward, the body center of gravity exceeds the protection range of the guardrail to the critical point of falling, the traditional structure cannot provide immediate protection.

[0006] The technical solution of this utility model is as follows: a fall protection structure for an engineering power maintenance platform, comprising a fixed plate, a first protective component, a connecting component, and a second protective component. The first protective component is located below the fixed plate, and the connecting component is located below the fixed plate. The second protective component is located on one side of the first protective component. The first protective component includes a connecting groove, a lifting plate, a pre-tensioning spring, a contact spring, a contact block, a first motor, a first lead screw, a moving plate, and a guardrail. The connecting groove is located above the fixed plate, and multiple sets of connecting grooves are provided. The lifting plate is located inside the connecting groove, and the pre-tensioning spring is located below the lifting plate. Both ends of the pre-tensioning spring are connected to the lifting plate and the bottom surface of the connecting groove. A contact button is located inside the connecting groove. A contact block is located below the lifting plate. The first motor is located below the fixed plate, and the first lead screw is located at the output end of the first motor. A moving plate is located outside the first lead screw, and the moving plate is threadedly connected to the first lead screw. A guardrail is located above the moving plate.

[0007] Preferably, when construction workers are working on the fixed platform, when they are close to the guardrail, their feet step on the lifting platform, applying pressure. A pre-tension spring provides a certain pre-tension force to support the lifting platform. When the pressure on the lifting platform exceeds the support force provided by the pre-tension spring, the lifting platform moves downward, causing the contact block to move downward and press the contact button, starting the first motor. The first motor drives the first lead screw to rotate, causing the moving plate to move linearly and unfold. The unfolded part forms a buffer isolation zone, thus preventing the construction worker from being directly outside the guardrail and potentially falling, improving the protective performance of the maintenance platform.

[0008] Preferably, the connecting assembly includes a bracket and a base plate, with the bracket located below the fixing plate and the base plate located below the bracket.

[0009] Preferably, the second protective component includes a first connecting plate and a second motor, with the first connecting plate located on one side of the guardrail and the second motor located below the first connecting plate.

[0010] Preferably, the second protective assembly also includes a second lead screw and a lifting frame, the output end of the second motor is provided with the second lead screw, the outside of the second lead screw is provided with the lifting frame, and the lifting frame and the second lead screw are threadedly connected.

[0011] Preferably, the second protective component also includes a baffle and a pressure sensor, with the baffle located above the lifting frame and the pressure sensor located above the guardrail.

[0012] Preferably, the second protective component also includes a mounting plate and a second connecting plate, with the mounting plate positioned above the pressure sensor and the second connecting plate positioned on one side of the guardrail.

[0013] Preferably, the second protective assembly also includes a limit rod, which is provided above the second connecting plate, and the limit rod is slidably connected to the lifting frame.

[0014] The beneficial effects of this utility model are:

[0015] When construction workers are working on the fixed platform, their feet step on the lifting platform when they are near the guardrail, applying pressure. A pre-tension spring provides a certain pre-tension force to support the lifting platform. When the pressure on the lifting platform exceeds the supporting force provided by the pre-tension spring, the lifting platform moves downwards, causing the contact block to move downwards and press the contact button. This starts the first motor, which drives the first lead screw to rotate, causing the moving platform to move linearly and unfold. The unfolded part forms a buffer isolation zone, preventing construction workers from being directly outside the guardrail and potentially falling, thus improving the protective performance of the maintenance platform. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the fall protection structure of the power maintenance platform for engineering applications of this utility model.

[0017] Figure 2 The diagram shown is a first cross-sectional view of the fall protection structure of the power maintenance platform for engineering applications of this utility model.

[0018] Figure 3 The diagram shown is a second cross-sectional view of the fall protection structure of the power maintenance platform for engineering applications of this utility model.

[0019] Figure 4 The diagram shown is a third cross-sectional view of the fall protection structure of the power maintenance platform for engineering applications of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Fixed plate; 101. Connecting groove; 102. Lifting plate; 103. Preload spring; 104. Contact button; 105. Contact block; 106. First motor; 107. First lead screw; 108. Moving plate; 109. Guardrail; 201. Bracket; 202. Base plate; 301. First connecting plate; 302. Second motor; 303. Second lead screw; 304. Lifting frame; 305. Baffle; 306. Pressure sensor; 307. Mounting plate; 308. Second connecting plate; 309. Limiting rod. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figure 1 and Figure 2This utility model provides an embodiment of a fall protection structure for an engineering power maintenance platform, comprising a fixed plate 1, a first protective component, a connecting component, and a second protective component. The first protective component is located below the fixed plate 1, and the connecting component is also located below the fixed plate 1. The second protective component is located on one side of the first protective component. The first protective component includes a connecting groove 101, a lifting plate 102, a pre-tensioning spring 103, a contact spring, a contact block 105, a first motor 106, a first lead screw 107, a moving plate 108, and a guardrail 109. The connecting groove 101 is located on the upper part of the fixed plate 1. Multiple sets are provided. A lifting plate 102 is provided inside the connecting groove 101. A pre-tension spring 103 is provided below the lifting plate 102. The two ends of the pre-tension spring 103 are connected to the lifting plate 102 and the bottom surface of the connecting groove 101. A contact button 104 is provided inside the connecting groove 101. A contact block 105 is provided below the lifting plate 102. A first motor 106 is provided below the fixed plate 1. A first lead screw 107 is provided at the output end of the first motor 106. A moving plate 108 is provided outside the first lead screw 107. The moving plate 108 and the first lead screw 107 are threadedly connected. A guardrail 109 is provided above the moving plate 108.

[0023] Please see Figure 3 and Figure 4 In this embodiment, the connecting component includes a bracket 201 and a base plate 202. The bracket 201 is located below the fixing plate 1, and the base plate 202 is located below the bracket 201. The second protective component includes a first connecting plate 301 and a second motor 302. The first connecting plate 301 is located on one side of the guardrail 109, and the second motor 302 is located below the first connecting plate 301. The second protective component also includes a second lead screw 303 and a lifting frame 304. The output end of the second motor 302 is provided with the second lead screw 303, and the lifting frame 304 is provided on the outside of the second lead screw 303. The lifting frame 304 and the second lead screw 303 are threadedly connected. In use, the second motor 302 is started to drive the second lead screw 303 to rotate, and the rotation of the second lead screw 303 drives the lifting frame 304 to move up and down.

[0024] The second protective component also includes a baffle 305 and a pressure sensor 306. The baffle 305 is located above the lifting frame 304, and the pressure sensor 306 is located above the guardrail 109. The second protective component also includes a mounting plate 307 and a second connecting plate 308. The mounting plate 307 is located above the pressure sensor 306, and the second connecting plate 308 is located on one side of the guardrail 109. The second protective component also includes a limit rod 309. The limit rod 309 is located above the second connecting plate 308. The limit rod 309 and the lifting frame 304 are slidably connected. In use, when a person performs the dangerous act of climbing the guardrail 109, the mounting plate 307 is subjected to pressure, which applies pressure to the pressure sensor 306. When the pressure on the pressure sensor 306 exceeds a certain threshold, the second motor 302 is triggered to drive the second lead screw 303 to rotate. When the lifting frame 304 moves up and down, it drives the baffle 305 to move up and down. The baffle 305 rises to form a physical barrier surface, preventing people from climbing the guardrail 109.

[0025] When the worker leans forward, their feet apply pressure to the lifting plate 102. After the compression of the pre-tension spring 103 exceeds the threshold, the contact block 105 triggers the contact button 104, starting the first motor 106. The first motor 106 drives the first lead screw 107 to rotate, and through the threaded transmission, the moving plate 108 unfolds horizontally along the guide rail, causing the guardrail 109 to extend outward synchronously, forming a dynamically expanding buffer isolation zone at the edge of the platform. This moves the protective boundary of the traditional fixed guardrail 109 outward, effectively preventing the center of gravity of the person from exceeding the safe range.

[0026] The second protective component adopts a dual protection logic. Its first connecting plate 301 is fixed to the side wall of the guardrail 109 and integrates a second motor 302. When the pressure sensor 306 detects abnormal vertical pressure, the second motor 302 drives the second lead screw 303 to rotate, and through the threaded transmission, the lifting frame 304 is vertically raised and lowered along the limit rod 309. The top of the lifting frame 304 is welded with a baffle 305, and its rising height can cover the top of the guardrail 109, forming a physical climbing barrier surface.

[0027] The pressure sensor 306 is rigidly connected to the top of the guardrail 109 via the mounting plate 307. When the continuous pressure exceeds the threshold, the second motor 302 is activated. The limit rod 309 passes through the second connecting plate 308 and slides with the lifting frame 304 to ensure that the baffle 305 does not wobble during the lifting process. This component is linked with the first protective component, which can prevent unauthorized climbing behavior and can also serve as a secondary protective barrier in extreme situations.

[0028] Through the above steps, when construction workers are working on the fixed plate 1, and when they are close to the guardrail 109, their feet step on the lifting plate 102, applying pressure to the lifting plate 102. The pre-tension spring 103 provides a certain pre-tension force to support the lifting plate 102. When the pressure on the lifting plate 102 exceeds the support force provided by the pre-tension spring 103, the lifting plate 102 moves downward, causing the contact block 105 to move downward and press the contact button 104, starting the first motor 106. The first motor 106 drives the first lead screw 107 to rotate, causing the moving plate 108 to move linearly and unfold. The unfolded part forms a buffer isolation zone, thus preventing the construction workers from being directly outside the guardrail 109 when they lean forward during construction, which could lead to a possible fall and improve the protective performance of the maintenance platform.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A fall protection structure for an engineering power maintenance platform, comprising a fixing plate (1), characterized in that: It also includes a first protective component, a connecting component, and a second protective component. The first protective component is located below the fixing plate (1), and the connecting component is located below the fixing plate (1). The second protective component is located on one side of the first protective component. The first protective component includes a connecting groove (101), a lifting plate (102), a pre-tensioning spring (103), a contact spring, a contact block (105), a first motor (106), a first lead screw (107), a moving plate (108), and a guardrail (109). The connecting groove (101) is located above the fixing plate (1). Multiple sets of connecting grooves (101) are provided. The lifting plate (102) is located inside the connecting groove (101). A pre-tension spring (103) is provided below the lifting plate (102). The two ends of the pre-tension spring (103) are connected to the bottom surface of the lifting plate (102) and the connecting groove (101). A contact button (104) is provided inside the connecting groove (101). A contact block (105) is provided below the lifting plate (102). A first motor (106) is provided below the fixed plate (1). A first lead screw (107) is provided at the output end of the first motor (106). A moving plate (108) is provided outside the first lead screw (107). The moving plate (108) and the first lead screw (107) are threadedly connected. A guardrail (109) is provided above the moving plate (108).

2. The fall protection structure for an engineering power maintenance platform according to claim 1, characterized in that: The connecting assembly includes a bracket (201) and a base plate (202). The bracket (201) is located below the fixing plate (1), and the base plate (202) is located below the bracket (201).

3. The fall protection structure for an engineering power maintenance platform according to claim 1, characterized in that: The second protective component includes a first connecting plate (301) and a second motor (302). The first connecting plate (301) is provided on one side of the guardrail (109), and the second motor (302) is provided below the first connecting plate (301).

4. The fall protection structure for an engineering power maintenance platform according to claim 3, characterized in that: The second protective assembly also includes a second lead screw (303) and a lifting frame (304). The output end of the second motor (302) is provided with the second lead screw (303), and the lifting frame (304) is provided on the outside of the second lead screw (303). The lifting frame (304) and the second lead screw (303) are threadedly connected.

5. The fall protection structure for an engineering power maintenance platform according to claim 4, characterized in that: The second protective component also includes a baffle (305) and a pressure sensor (306). The baffle (305) is located above the lifting frame (304), and the pressure sensor (306) is located above the guardrail (109).

6. The fall protection structure for an engineering power maintenance platform according to claim 5, characterized in that: The second protective assembly also includes a mounting plate (307) and a second connecting plate (308). The mounting plate (307) is provided above the pressure sensor (306), and the second connecting plate (308) is provided on one side of the guardrail (109).

7. The fall protection structure for an engineering power maintenance platform according to claim 6, characterized in that: The second protective assembly also includes a limit rod (309), which is provided above the second connecting plate (308), and the limit rod (309) and the lifting frame (304) are slidably connected.

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