Integrated electric power iron tower safety pedal ladder stand

Abstract

The invention discloses an integrated electric power iron tower safety pedal ladder stand which comprises a falling protector guide rail connected with iron tower angle steel, a plurality of pedal assemblies evenly distributed on the falling protector guide rail in the extending direction of the falling protector guide rail and an anti-climbing assembly arranged along a path of the falling protector guide rail and at a set height relative to the ground. The falling protector guide rail is longitudinally parallel to the iron tower angle steel; the pedal assembly at least comprises pedal plates symmetrically arranged on the two longitudinal sides of the falling protector guide rail, and the anti-climbing assembly comprises a pair of fences capable of being opened and closed, a sensor used for detecting the opening or closing state of the fences and an internet-of-things module used for sending sensor signals.

Description

Technical Field

[0001] The present invention relates to the technical field of power tower maintenance equipment, and particularly to an integrated safety pedal ladder for power towers. Background Art

[0002] Power towers are key basic components for power transmission and usually need to be climbed for maintenance regularly. Due to the high height of power towers, when climbing, not only should it be easy for operators to climb, but also safety should be taken into account. At the same time, most power towers are located in remote areas, so it is also necessary to consider the easy transportation and assembly of the ladder. After the tower is built, it is also necessary to prevent unauthorized personnel from climbing the tower to ensure safety. Based on this, combined with construction experience, our company has developed an integrated safety pedal ladder for power towers. Summary of the Invention

[0003] The purpose of the present invention is to provide an integrated safety pedal ladder for power towers, which solves the problems in the prior art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: An integrated safety pedal ladder for power towers, comprising a fall arrester guide rail 2 connected to the tower angle steel 1, a plurality of foot pedal assemblies 3 evenly arranged on the fall arrester guide rail 2 along the extending direction of the fall arrester guide rail 2, and an anti-climbing component 5 arranged along the path of the fall arrester guide rail 2 and at a set height relative to the ground; the longitudinal direction of the fall arrester guide rail 2 is parallel to the longitudinal direction of the tower angle steel 1; the foot pedal assembly 3 at least includes foot pedals 301 symmetrically arranged on both longitudinal sides of the fall arrester guide rail 2, and the anti-climbing component 5 includes a pair of fences 501 that can be opened and closed, a sensor 506 for detecting the open or closed state of the fences 501, and an Internet of Things module 6 for sending the signal of the sensor 506.

[0005] Further, the fall arrester guide rail 2 includes a first track 201 and a second track 203 arranged in parallel at intervals, and the first track 201 and the second track 203 are connected into one body by a web plate 202.

[0006] Further, the foot pedal assembly 3 further includes a pair of first fasteners 302, one end of the foot pedal 301 is connected to the side wall of the first fastener 302, and the two paired first fasteners 302 are clamped on the second track 203 by a first locking bolt 303. First sub-plates 304 and second sub-plates 305 formed by downward bending are respectively arranged on both sides of the foot pedal 301, and one ends of the first sub-plate 304 and the second sub-plate 305 facing the first fastener 302 are both connected to the first fastener 302, and a baffle 306 that tilts upward is arranged at the other end of the foot pedal 301.

[0007] Further, the anti-falling device guide rail 2 is connected to the tower angle steel 1 through the connecting components 4 arranged at intervals. The connecting component 4 includes a clamping plate 401 connected to a connecting plate 402. The connecting plate 402 is fastened to the tower angle steel 1 through a first bending bolt 404 and a fixing hook 405. The clamping plate 401 is fastened to the second track 203 through a second locking bolt 403.

[0008] Further, the fence 501 includes a strip 5011 radially arranged at the upper end of a rotating shaft 502 and a plurality of arc-shaped blocking rods 5012 arranged in an arc shape on the strip 5011. The lower end of the rotating shaft 502 is rotatably installed in a clamping seat 505. Axially staggered annular grooves 5021, a first flat notch 5022, and a second flat notch 5023 are respectively formed on the outer wall of the rotating shaft 502 located in the clamping seat 505. A pin 507 is fixedly installed on the clamping seat 505. At least a section of the inner end of the pin 507 extends into the annular groove 5021 to limit the axial freedom of the rotating shaft 502. The sensor 506 is installed on the clamping seat 505 at a position corresponding to the second flat notch 5023. When the fence 501 is in the closed position, the second flat notch 5023 faces the trigger end of the sensor 506 and is used to avoid the trigger end. A key bolt 508 is also screwed on the clamping seat 505 and is used to abut against the first flat notch 5022 when the fence 501 is in the closed position.

[0009] Further, there are two clamping seats 505 fastened to the tower angle steel 1 through second bending bolts 504. The two clamping seats 505 are respectively located on both sides of the anti-falling device guide rail 2. Two corresponding fences 501 are provided. When the two fences 501 approach the anti-falling device guide rail 2, it is the closed state of the fence 501. When the two fences 501 turn away from the anti-falling device guide rail 2, it is the open state of the fence 501.

[0010] Further, a locking hook 503 is arranged on the strip 5011 of one of the fences 501. When the fence 501 is in the open state, the front end of the locking hook 503 is used to hook the corresponding strip 5011 of the other fence 501 to maintain the open state of the fence 501.

[0011] Further, the Internet of Things module 6 is installed above the fence 501 and on the inner side wall of the tower angle steel 1.

[0012] Advantages of the present invention: An integrated safety pedal ladder for power transmission towers provided by the present invention directly integrates the foot pedal assembly and the anti-falling device guide rail, which can be conveniently assembled synchronously with the construction of the tower. The components constituting each component are small in volume, convenient for transportation, easy to assemble on site, and have good adaptability, and can be assembled as required according to the height of the tower. The foot pedal assembly is used for gripping and stepping when climbing, especially the foot pedal is symmetrically arranged relative to the anti-falling device guide rail, so that both hands and feet can exert force, saving effort when climbing. The wide area of the foot pedal is beneficial to the support of the feet and prevents foot injuries. The anti-falling device guide rail is used for hanging the anti-falling device to ensure safety when climbing. The anti-climbing component is set at a height relative to the ground and can be locked when closed, effectively preventing unauthorized personnel from climbing the tower. When the fence is violently opened, the sensor timely sends a signal to the power line monitoring unit through the Internet of Things module, sends an alarm message, and provides location information for timely handling. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 FIG. is a partial schematic view of the integrated safety pedal ladder for power transmission towers of the present invention after being assembled with the tower angle steel; Figure 2 FIG. is a partial schematic view of another perspective of the integrated safety pedal ladder for power transmission towers of the present invention after being assembled with the tower angle steel; Figure 3 is Figure 2 partial enlarged view at C in Figure 4 FIG. is a schematic view of the structure of the foot pedal assembly of the present invention; Figure 5 FIG. is a schematic view of the structure of the anti-climbing component of the present invention; Figure 6 FIG. is a schematic view of another perspective of the structure of the anti-climbing component of the present invention; Figure 7 is Figure 6 partial schematic view in the P direction in Figure 8 is Figure 7 partial sectional view taken along D-D in EMBODIMENTS

[0014] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0015] Please refer to Figure 1-8, An integrated safety pedal ladder for power transmission towers, comprising a fall arrester guide rail 2 connected to the tower angle steel 1, a plurality of foot pedal assemblies 3 evenly arranged on the fall arrester guide rail 2 along the extending direction of the fall arrester guide rail 2, and an anti-climbing assembly 5 arranged along the path of the fall arrester guide rail 2 and at a set height relative to the ground; the fall arrester guide rail 2 is longitudinally parallel to the tower angle steel 1; the foot pedal assembly 3 at least includes foot pedals 301 symmetrically arranged on both longitudinal sides of the fall arrester guide rail 2, and the anti-climbing assembly 5 includes a pair of fences 501 that can be opened and closed, a sensor 506 for detecting the open or closed state of the fence 501, and an Internet of Things module 6 for sending signals of the sensor 506; through the above settings, in this integrated safety pedal ladder for power transmission towers, the foot pedal assembly 3 and the fall arrester guide rail 2 are directly integrated into one body, which can be conveniently carried out synchronously with the erection of the tower. The components constituting each component are small in volume, convenient for transportation, easy to assemble on site, and have good adaptability and can be assembled as required according to the height of the tower; the foot pedal assembly 3 is used for gripping and stepping on when climbing. In particular, the foot pedals are symmetrically arranged relative to the fall arrester guide rail 2, so that both hands and feet can exert force, saving effort when climbing. The wide area of the foot pedal 301 is beneficial to the support of the feet and prevents foot injuries; the fall arrester guide rail 2 is used for hanging a fall arrester to ensure safety when climbing; the anti-climbing assembly 5 arranged at a set height relative to the ground can be locked when closed, effectively preventing unauthorized personnel from climbing the tower. When the fence is violently opened, the sensor 506 timely sends a signal to the power line monitoring unit through the Internet of Things module 6, sends an alarm message, and provides location information for convenient and timely handling.

[0016] Preferably, the fall arrester guide rail 2 includes a first track 201 and a second track 203 arranged in parallel at intervals. The first track 201 and the second track 203 are connected into one body by a web plate 202. In this way, the fall arrester can run smoothly on the first track 201, and the second track 203 can be used as a connection end to connect with the target component to avoid mechanical interference.

[0017] Further preferably, the pedal assembly 3 also includes a first fastener 302 arranged in pairs. One end of the foot pedal 301 is connected to the side wall of the first fastener 302, and the two first fasteners 302 arranged in pairs are clamped on the second rail 203 by the first locking bolt 303. In this way, the pedal assembly 3 can be conveniently installed on the anti-falling device guide rail 2 gradually along the extension direction of the anti-falling device guide rail 2 as the iron tower is built. The pedal assembly 3 is installed at the position where the anti-falling device guide rail 2 extends. At this time, the anti-falling device mounted on the operator's body can also be installed The first track 201 moves smoothly to ensure the safety of the operator; the first sub-plate 304 and the second sub-plate 305 are respectively bent downward on both sides of the foot pedal 301, and the first sub-plate 304 and the second sub-plate 305 are connected to the first fastener 302 at one end facing the first fastener 302. In this way, the foot pedal 301, the first sub-plate 304 and the second sub-plate 305 form a support member with an inverted U-shaped cross-section, which effectively improves the rigidity and strength of the foot pedal 301. Here, the foot pedal 301 is usually made of sheet metal, wherein the focus is on Figure 4 The side surface of the second sub-plate 305 is triangular, which saves materials and ensures strength. By providing an upwardly tilted baffle 306 at the other end of the foot pedal 301, the foot is effectively prevented from sliding outward, thereby further protecting the safety of the operator.

[0018] Further preferably, the fall arrester guide rail 2 is connected to the tower angle steel 1 through a connection component 4 arranged at intervals, the connection component 4 includes a clamping plate 401 connected to a connecting plate 402, the connecting plate 402 is fastened to the tower angle steel 1 through a first bending bolt 404 and a fixing hook 405, the clamping plate 401 is fastened and connected to the second rail 203 through a second locking bolt 403, in this way, the fall arrester guide rail 2 is connected to the tower angle steel 1 through the connection component 4 at a set interval distance, effectively ensuring the rigidity and strength of the fall arrester guide rail 2 and ensuring reliability.

[0019] Further preferably, the fence 501 includes a strip 5011 radially provided at the upper end of the rotating shaft 502 and a plurality of arc-shaped blocking rods 5012 arranged in an arc shape on the strip 5011. The lower end of the rotating shaft 502 is rotatably installed in the clamping seat 505. Axially staggered annular grooves 5021, first flat notches 5022, and second flat notches 5023 are respectively formed on the outer wall of the rotating shaft 502 located in the clamping seat 505. A pin 507 is fixedly installed on the clamping seat 505, and at least one section of the inner end of the pin 507 extends into the annular groove 5021 to limit the axial freedom of the rotating shaft 502. By means of the pin 507, the fence 501 can be prevented from axially disengaging from the rotating shaft 502; the sensor 506 is installed on the clamping seat 505 at a position corresponding to the second flat notch 5023 and is electrically connected to the Internet of Things module 6. When the fence 501 is in the closed position, the second flat notch 5023 faces the trigger end of the sensor 506 and is used to clear the trigger end. When the fence 501 is opened, the second flat notch 5023 passes over the trigger end of the sensor 506, and the cylindrical surface of the rotating shaft 502 presses against the trigger end. At this time, the sensor 506 is triggered and sends a signal to the Internet of Things module 6, and the Internet of Things module 6 sends a signal to the power line monitoring end to warn that someone has climbed over and passed the position of the fence 501; a key bolt 508 is also screwed on the clamping seat 505 to abut against the first flat notch 5022 when the fence 501 is in the closed position. By setting the key bolt 508, a special key tool is required to rotate it. In this way, unauthorized personnel are prevented from opening the fence 501, improving safety. Here, the key tool matching the key bolt 508 can be a hole with three sides or a polygon, and the corresponding part on the key bolt 508 is a protrusion with three sides or a polygon. For key points, see Figure 7 In this embodiment, a triangular protrusion structure is provided at the outer end of the key bolt 508.

[0020] Further preferably, there are two clamping seats 505 fastened to the tower angle steel 1 by the second bending bolts 504. The two clamping seats 505 are respectively located on both sides of the anti-falling device guide rail 2, and two corresponding fences 501 are provided. When the two fences 501 approach the anti-falling device guide rail 2, it is the closed state of the fence 501. When the two fences 501 turn away from the anti-falling device guide rail 2, it is the open state of the fence 501. In this way, it can effectively block when closed, and the passage is spacious when opened, which is beneficial for the operator to pass through.

[0021] Further preferably, a locking hook 503 is provided on the strip 5011 of one of the fences 501. When the fence 501 is in the open state, the front end of the locking hook 503 is used to hook the corresponding strip 5011 of the other fence 501 to maintain the open state of the fence 501. In this way, when the current operation is for the operator to perform normal operations on the power tower, the two open fences 501 can be hooked at the back by the locking hook 503 to prevent the anti-falling device guide rail 2 in front of the two fences 501 from approaching and closing, ensuring the smooth descent of the operator from the tower.

[0022] Further preferably, the Internet of Things module 6 is installed above the fence 501 and located on the inner wall of the tower angle steel 1, so that the safety of the Internet of Things module 6 device itself can be effectively protected; here, a sensing module can also be set on the Internet of Things module 6 to sense the identity card of the operator. In this way, when the fence 501 is opened, if an operator goes up the tower, the Internet of Things module 6 can send a message to the monitoring room indicating which operator goes up the tower and cancel the alarm, which is convenient for monitoring and management.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “top” and “bottom” are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated safety pedal ladder for power transmission towers, characterized in that: It includes a fall arrester guide rail (2) connected to the tower angle steel (1), several footrest assemblies (3) evenly arranged on the fall arrester guide rail (2) along the extending direction of the fall arrester guide rail (2), and an anti-climbing assembly (5) arranged along the path of the fall arrester guide rail (2) and at a set height relative to the ground; the longitudinal direction of the fall arrester guide rail (2) is parallel to the longitudinal direction of the tower angle steel (1); the footrest assembly (3) at least includes footrest plates (301) symmetrically arranged on both longitudinal sides of the fall arrester guide rail (2), and the anti-climbing assembly (5) includes a pair of fences (501) that can be opened and closed, a sensor (506) for detecting the open or closed state of the fences (501), and an Internet of Things module (6) for sending the signal of the sensor (506).

2. The integrated safety pedal ladder for power transmission towers according to claim 1, wherein: The fall arrester guide rail (2) includes a first track (201) and a second track (203) arranged in parallel at intervals, and the first track (201) and the second track (203) are connected into one body by a web plate (202).

3. The integrated safety pedal ladder for power transmission towers according to claim 2, wherein: The footrest assembly (3) further includes a pair of first fasteners (302). One end of the footrest plate (301) is connected to the side wall of the first fastener (302). The two paired first fasteners (302) are clamped on the second track (203) by a first locking bolt (303). First auxiliary plates (304) and second auxiliary plates (305) formed by downward bending are respectively arranged on both sides of the footrest plate (301). One ends of the first auxiliary plate (304) and the second auxiliary plate (305) facing the first fastener (302) are both connected to the first fastener (302). The other end of the footrest plate (301) is provided with an upwardly tilted baffle (306).

4. The integrated safety pedal ladder for power transmission towers according to claim 2, wherein: The fall arrester guide rail (2) is connected to the tower angle steel (1) through connecting components (4) arranged at intervals. The connecting component (4) includes a clamping plate (401) connected to a connecting plate (402). The connecting plate (402) is fastened to the tower angle steel (1) by a first bending bolt (404) and a fixed hook (405). The clamping plate (401) is fastened and connected to the second track (203) by a second locking bolt (403).

5. The integrated safety pedal ladder for power transmission towers according to claim 2, characterized in that: The fence (501) includes a strip (5011) radially provided at the upper end of a rotating shaft (502) and a plurality of arc-shaped blocking rods (5012) arc-shapedly provided on the strip (5011). The lower end of the rotating shaft (502) is rotatably installed in a clamping seat (505). Axially staggered annular grooves (5021), a first flat notch (5022), and a second flat notch (5023) are respectively formed on the outer wall of the rotating shaft (502) located inside the clamping seat (505). A pin (507) is fixedly installed on the clamping seat (505). At least a section of the inner end of the pin (507) extends into the annular groove (5021) to limit the axial freedom of the rotating shaft (502). The sensor (506) is installed on the clamping seat (505) at a position corresponding to the second flat notch (5023). When the fence (501) is in the closed position, the second flat notch (5023) faces the trigger end of the sensor (506) and is used to clear the trigger end. A key bolt (508) is also screwed on the clamping seat (505) and is used to abut against the first flat notch (5022) when the fence (501) is in the closed position.

6. The integrated safety pedal ladder for power transmission towers according to claim 5, wherein: There are two clamping seats (505) fastened to the tower angle steel (1) by second bending bolts (504). The two clamping seats (505) are respectively located on both sides of the anti-falling device guide rail (2). Two corresponding fences (501) are provided. When the two fences (501) approach the anti-falling device guide rail (2), it is the closed state of the fence (501). When the two fences (501) turn away from the anti-falling device guide rail (2), it is the open state of the fence (501).

7. The integrated safety pedal ladder for power transmission towers according to claim 6, characterized in that: A locking hook (503) is provided on the strip (5011) of one of the fences (501). When the fence (501) is in the open state, the front end of the locking hook (503) is used to hook the corresponding strip (5011) of the other fence (501) to maintain the open state of the fence (501).

8. The integrated safety pedal ladder for power transmission towers according to any one of claims 1 to 7, characterized in that: The Internet of Things module (6) is installed above the fence (501) and on the inner side wall of the tower angle steel (1).

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