Iron tower work personnel protection device
By installing a spiral-rotating safety working track and track moving module on the iron tower, the problems of weakened support force of the safety belt during horizontal movement and malfunction of electronic devices in the existing technology have been solved, realizing safe and smooth iron tower operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 张俩淳
- Filing Date
- 2023-12-12
- Publication Date
- 2026-06-23
AI Technical Summary
When workers move horizontally on existing iron towers, their safety belts separate from the vertical ropes, weakening the support and making electronic devices prone to misoperation and reduced in durability, thus failing to ensure absolute safety.
Design a spiral rotating safety work track, combined with a track movement module, to prevent the safety line from loosening and secure the safety belt by controlling the engagement of the trigger and the rotating part, thus preventing falls.
It enables tower workers to move smoothly in both horizontal and vertical directions, avoids loosening of safety belts, reduces the risk of malfunction of electronic devices, and improves safety and durability.
Smart Images

Figure CN224387944U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a safety device for tower workers. Specifically, it involves a safety working rail that rotates spirally along the vertical length of a tower connected and supported by power transmission and distribution lines. A track-moving module is installed on the safety working rail, connected to a safety line on the safety belt worn by the tower worker. When the tower worker moves on the safety working rail with the safety belt and track-moving module connected, the tower moves smoothly both vertically and horizontally without the need to loosen the safety line and reconnect it to a new position. This not only ensures safety, but even if the tower worker falls while on the safety working rail, the tilting of the track-moving module will drive the control and rotation units to fix the safety line in place, preventing the worker from falling. This ensures safe tower work. Background Technology
[0002] When working on high-altitude power transmission towers, ensuring the safety of workers is a crucial and necessary measure. Therefore, workers must wear vest-style or belt-style safety devices called safety harnesses. These harnesses have a predetermined length of steel wire attached to them. One end of the wire is made into a carabiner or hook, connecting to the safety harness and the other end to a rope installed on the tower. If a worker loses their balance or falls during work, the steel wire connecting the safety harness and the tower rope can support the worker and prevent a fall.
[0003] At this point, the tower ropes are typically installed vertically along the vertical length of the tower. Devices to prevent sudden falls utilize a connection structure between the ropes and safety harness wires, as well as sensors. Patent document 10-2061329 (“Transmission Tower Fall Prevention Safety Device”) proposes a fall prevention mechanism with safety functions on vertical tower ropes. However, this mechanism suffers from drawbacks, including the need for impact sensors and proximity sensors to detect falls, resulting in complex structures and increased costs.
[0004] Furthermore, safety devices installed on vertical ropes are only suitable for operations involving vertical movement. However, when working horizontally at a predetermined height, the worker becomes separated from the tower rope, the wires connecting the tower rope and the safety device become longer, the force supporting the worker may weaken, and the fall detection function may not function properly. Therefore, there are potential hazards. Safety devices designed with special electronic devices or complex internal structures are also subject to concerns about malfunction and reduced durability, making it difficult for tower workers to trust that absolute safety must be guaranteed.
[0005] Therefore, there is a need for a safety fall arrest device that can support tower workers to move safely horizontally in specific locations, has a significant fall protection effect, a simple internal structure, and will not cause misoperation or durability degradation even after long-term use.
[0006] Existing technical documents
[0007] Patent documents
[0008] Korean Patent Publication No. 10-2061329 Utility Model Content
[0009] Technical problems to be solved
[0010] This utility model is proposed in view of the aforementioned problems, and its purpose is to provide a safety working track that is connected and supported on the tower of power transmission and distribution lines, etc., and rotates spirally along its vertical length. The safety working track is equipped with a track moving module that is connected to the safety line on the safety belt worn by the tower workers. When the tower workers walk on the safety working track, the tower moves smoothly vertically and horizontally, and there is no need to loosen the safety line and reconnect it to the new position. Not only is it safe, but even if the tower workers fall while moving on the safety working track, when the track moving module tilts, the control unit and the rotating unit are driven, and the safety line is fixed and will not loosen, thereby preventing the workers from falling. This is a tower worker protection device that ensures safe tower work.
[0011] Through the preferred embodiments of this utility model, those skilled in the art will more clearly understand the above-mentioned objectives and various advantages of this utility model.
[0012] Technical solution
[0013] To achieve the aforementioned objective, the present invention provides a protective device for tower workers, comprising: a safety working track, spirally mounted along the vertical length of the tower; and a track moving module, installed on the safety working track, connected to the worker's safety belt, and spirally moving along the safety working track. The safety working track includes: a groove portion with a predetermined width along its bottom length; and a step portion protruding at predetermined intervals along its upper length. The track moving module includes: a housing; a receiving portion, serving as the internal space of the housing, formed to accommodate the safety working track at the top and a control portion and a rotating portion at the bottom; the control portion for controlling the lifting and lowering of a trigger and for controlling the movement of the rotating portion; and the rotating portion, located below the control portion, connected to the safety belt's safety harness. The entire coil rotates and engages with the control trigger when it descends, restricting its rotation. The control unit includes: a control trigger, formed in the shape of a rod, with multiple triggers formed on both inner ends of the receiving portion, the upper part closely fitting into the recessed portion, the lower part opposite to the rotating part, and rising and falling on the safety working track according to the tilt of the housing; a trigger spring for surrounding and connecting to the outer peripheral surface of the control trigger; a spring fixing protrusion for fixing the trigger spring to the inner peripheral surface of the receiving portion; and trigger teeth protruding from the bottom of the control trigger. The rotating part includes: multiple brake discs located below the control trigger, with brake teeth formed on their outer peripheral surfaces; and a rotating shaft serving as a horizontal axis connecting the brake discs, with a safety line wound around its center and both ends connected to the inner side of the receiving portion.
[0014] According to one embodiment, the step is disposed in the section between the bearings, and the height of the step is less than the gap between the surface of the safety working track and the track receiving surface.
[0015] According to one embodiment, the top protrusion of the control trigger is formed as a curved surface.
[0016] According to one embodiment, the safety working track has a circular cross-section, the groove portion is a bent shape, and has a groove top; and multiple groove slopes, the multiple groove slopes extending downwards on both sides of the groove top and forming an incline.
[0017] According to one embodiment, the safety work track is formed with an elliptical cross section, and the groove is formed with an elliptical curved surface.
[0018] According to one embodiment, the receiving portion includes: a track receiving surface, which serves as the inner peripheral surface of the safe operating track receiving space and is formed with a circular cross-section; and a plurality of bearings configured as spheres partially embedded along the inner peripheral surface of the track receiving surface, thereby partially protruding toward the safe operating track receiving space and contacting the safe operating track.
[0019] Details of other embodiments are included in the detailed description and accompanying drawings.
[0020] Beneficial effects
[0021] The protective device for tower workers according to this utility model can achieve the following effects.
[0022] First, the track moving module is installed on the safety working track spirally installed on the outer periphery of the tower. The worker's safety belt is connected to the track moving module. The worker can move along the horizontal and vertical directions of the tower. However, once the safety line is connected, the worker can move without untying it. Therefore, tower work can be carried out very safely and smoothly.
[0023] Secondly, when a worker slips and tilts, the track moving module will also tilt, thus limiting the loosening of the safety line. Furthermore, the lifting and moving control unit can be driven by engaging with the rotating part of the steel wire, so there is no need for electronic devices such as sensors. The structure is simple and can solve the problems of misoperation or reduced durability.
[0024] Third, the safety operation track is spirally installed along the vertical direction of the tower, moving around the circumference of the track to achieve horizontal and vertical movement. Work and movement can be carried out by stepping on the steps formed at predetermined intervals along the track surface, which is both non-slip and safe.
[0025] Fourth, through the simple connection structure between the safety operating track and the control trigger, it can be gently fixed during low-speed, slight falls, and can be firmly fixed with strong force during high-speed, rapid falls, achieving a fall prevention effect corresponding to different fall speeds. Attached Figure Description
[0026] Figure 1 This is a perspective view showing a steel tower with a spiral safety operating track according to an embodiment of the present invention.
[0027] Figure 2 This is a perspective view showing a spiral safety working track according to an embodiment of the present invention.
[0028] Figure 3 This is a perspective view showing a tower worker protection device installed on a spiral safety working track according to an embodiment of the present invention.
[0029] Figure 4 This is a perspective view showing the operation of the protective device for tower workers according to an embodiment of the present invention.
[0030] Figure 5 A to B are side and front views showing a cross section of the track moving module according to an embodiment of the present invention.
[0031] Figure 6A to B are perspective views illustrating the operating principle when the track moving module according to an embodiment of the present invention tilts to the left or right.
[0032] Figure 7 A to B are perspective views showing a side section and an installation example of a track moving module according to another embodiment of the present invention.
[0033] Figure 8 A to B are cross-sectional views illustrating the operating principle of a track moving module based on tilt difference according to another embodiment of the present invention. Detailed Implementation
[0034] To fully understand this utility model, preferred embodiments will be described in more detail with reference to the accompanying drawings.
[0035] Before describing this utility model, the following detailed description of structure and function is only for illustrating embodiments based on the concept of this utility model. Embodiments based on the concept of this utility model can be modified and implemented in various forms and should not be construed as limiting the scope of this utility model to the embodiments described in detail below.
[0036] Furthermore, since various changes can be made to the embodiments based on the present invention concept and they can take various forms, specific embodiments will be shown in the accompanying drawings and described in detail in this specification.
[0037] However, this is not intended to limit the embodiments according to the present invention to a particular form of disclosure, but should be understood to include modifications, equivalents or substitutions within the spirit and scope of the present invention.
[0038] This embodiment is provided to give a more complete explanation of the present invention to those skilled in the art. Therefore, the shapes of components, etc., in the figures may be exaggerated to emphasize a clearer illustration.
[0039] It should be noted that in each drawing, the same components are sometimes represented by the same reference numerals. Detailed techniques of well-known functions and configurations that are deemed potentially unnecessary to obscure the essential points of this utility model have been omitted.
[0040] Figure 1 This is a perspective view of a steel tower with a spiral safety operating track according to an embodiment of the present invention. Figure 2 This is a perspective view showing a spiral safety working track according to an embodiment of the present invention. Figure 3 This is a perspective view showing a tower worker protection device according to an embodiment of the present invention, in which a track-moving module is installed on a spiral safety working track. Figure 4 This is a perspective view showing the operation of the protective device for tower workers according to an embodiment of the present invention. Figure 5Figures a to b are side views and front views showing a cross-section of the track moving module according to an embodiment of the present invention. Figure 6 Figures a to b are perspective views illustrating the operating principle when the track moving module according to an embodiment of the present invention tilts to the left or right. Figure 7 Figures a to b are perspective views showing a side section and an installation example of a track-moving module according to another embodiment of the present invention. Figure 8 A to B are cross-sectional views illustrating the operating principle of a track moving module based on tilt difference according to another embodiment of the present invention.
[0041] According to a preferred embodiment of the present invention, the tower worker protection device 1 includes a track moving module 100 and a safe working track 200.
[0042] According to a preferred embodiment of the tower worker protection device 1 of this utility model, the safety working track 200 is spirally connected and installed on the tower 10 installed at a high place such as power transmission and distribution along the vertical length direction. The outer circumference of the tower 10 is surrounded and fixed by an inclined ring at a predetermined angle, which can play a guiding and supporting role when moving horizontally, so that workers can work at high places. And because it is spirally connected, it can continue to move horizontally, and can also move vertically.
[0043] The safety operation track 200 can be installed tangentially to multiple support frames that constitute the supports of the tower 10 and form the outer periphery, or it can be installed in a ring around the outer periphery of the tower 10 and connected to multiple track support members (not shown) that protrude horizontally from the multiple support frames.
[0044] As an embodiment of the present invention, the safety work track 200 can be formed with a circular cross-section, and the groove portion 210 can be formed at the bottom of the safety work track 200 along the annular length direction.
[0045] In one embodiment of the present invention, the groove portion 210 is a shape recessed from the lower surface of the safety operation track 200, and can be a curved shape formed by the groove top 211 and two groove slopes 212. The groove top 211 is formed horizontally in a concave shape at a predetermined depth in the center of the groove portion 210, forming a ceiling like the groove portion 210, and the groove slopes 212 are inclined when they extend downward in both directions from the two ends of the groove top 211, which can be constructed as the inclined wall of the groove portion 210.
[0046] Therefore, when viewed from the side, the cross-section of the groove 210 can be a trapezoidal shape with the groove top 211 as the top surface and the groove slope 212 as the side surface. The groove slope 212 has the function of pressing the control trigger 121 and pushing the control unit 120 downward when the track moving module 100 is tilted. This will be explained in detail later.
[0047] On the upper part of the safety working track 200, a step portion 220 can be formed along the annular length direction. The step portion 220 can be formed as a semi-circle or polyhedron of a predetermined size protruding on the surface of the safety working track 200 so that when the operator walks on the step portion 200, he can move safely while preventing slippage.
[0048] Even if the inclination of the safety working track 200 of this utility model is not large, it can only have a predetermined inclination as it spirals and connects the upper and lower parts of the entire iron tower 10. The step part 220 provides the function of supporting the body when the operator moves on the safety working track 200 with a predetermined inclination angle.
[0049] The track moving module 100 can be set on the safety working track 200 and move horizontally along the safety working track 200 on the tower 10 in a circular spiral direction.
[0050] The track moving module 100 is wrapped with a safety line 134. The front end of the safety line 134 is provided with a safety ring 135, which can be connected to the ring mounting hook 310 of the safety belt 300 worn by the operator. This allows the operator to connect to the track moving module 100 on the high-altitude iron tower 10, rely on the safety working track 200 to prevent falling and safely perform horizontal spiral movement.
[0051] When the track moving module 100 is combined with the safety working track 200, the wound safety line 134 can be smoothly unwound and wound as long as it remains within the predetermined angle range. When the track moving module 100 tilts on the safety working track 200 beyond the predetermined angle, the unwinding of the safety line 134 is prevented, and the safety function of preventing workers from falling can be performed.
[0052] Therefore, the track movement module 100 can be configured to include a housing 110, a control unit 120, and a rotating unit 130.
[0053] The housing 110 may be hexahedral in shape to accommodate one side of the safety work track 200.
[0054] The receiving portion 111 serves as the space inside the housing 110, providing an overall space to accommodate the safety operating track 200, the control portion 120, and the rotating portion 130. The upper part is formed to surround the upper and side parts of the safety operating track 200 and to surround the position adjacent to the bottom of the groove slope 212. The lower part of the safety operating track 200 can be formed with a space of a corresponding shape to accommodate the control portion 120 and the rotating portion 130.
[0055] At this time, in the receiving part 111, the inner peripheral surface of the space accommodating the safety working track 200 is a track receiving surface 115 with a circular cross-section, except for the opening surface facing the recessed part 210. The track moving module 100 of this utility model must be able to rotate while the housing 110 is in contact with the safety working track 200. Therefore, multiple bearings 114 can be provided at multiple points on the inner peripheral surface of the track receiving surface 115, and each bearing 114 protrudes toward the safety working track 200 in a manner that is partially embedded in the track receiving surface 115, and can perform rotation and support functions while in contact with the safety working track 200. Preferably, in this case, each bearing 114 can be composed of spheres of the same size.
[0056] Meanwhile, the step portion 220 can be formed at a predetermined position and at a predetermined interval in the portion between the bearings 114, so as not to overlap with the bearings 114, and the size of the step portion 220 can be formed to be lower than the height of the gap between the track receiving surface 115 and the surface of the safety working track 200, and can be set to not conflict with the track receiving surface 115. Therefore, the step portion 220 can be configured to perform a step support function to prevent the operator from sliding during movement, without interfering with the operation of the track moving module 100.
[0057] When the housing 110 tilts, the angle between the control unit 120 and the safety operating track 200 changes, the control unit 120 is pressed onto the safety operating track 200, and the safety line 134 is wound up, forcing the rotating unit 130 to stop moving.
[0058] Therefore, the control unit 120 can be configured to include a control trigger 121, a trigger spring 122, a spring fixing protrusion 123, and a trigger tooth 124.
[0059] The control trigger 121 is a straight rod type, with its upper part facing the groove portion 210 and its lower part facing the rotating portion 130. The top of the control trigger 121 can protrude and be formed as a smooth curved surface.
[0060] In this embodiment of the present invention, since the groove 210 can be curved, when the housing 110 is tilted, the groove inclined surface 212 at an angle to the plane contacts and presses the top of the curved surface control trigger 121. By applying the pressing force, the control trigger 121 is lowered by the trigger spring 122 and the spring fixing protrusion 123 described later. When the housing 100 returns to its original upright position, the control trigger 121 moves into the groove 210. The groove inclined surface 212 will not press the control trigger 121, and the control trigger 121 can rise back to its original position by the elastic restoring force of the trigger spring 122.
[0061] Multiple control triggers 121 are disposed on the two inner ends of the receiving portion 111, and the area of the receiving portion 111 where each control trigger 121 is disposed is formed into a narrow channel shape that matches the shape of the control trigger 121, so that the control trigger 121 can be disposed along the vertical channel of the receiving portion 111.
[0062] The trigger spring 122 is connected to the outer peripheral surface of the predetermined part at the center of the control trigger 121 by a compression spring, and at least two spring fixing protrusions 123 are provided on the inner peripheral surface of the receiving part 111 opposite to the trigger spring 122, which can serve to fix the trigger spring 122. The trigger teeth 124 are formed in a sawtooth shape at the bottom of the control trigger 121, which can serve to engage with the brake disc 131 of the rotating part 130.
[0063] With the above structure, the control trigger 121 is fixed on both sides of the receiving part 111 and also fixed on the trigger spring 122. Since the trigger spring 122 is fixedly connected to the spring fixing protrusion 123, the control trigger 121 can move up and down in the vertical direction according to the elastic range of the trigger spring 122.
[0064] The rotating part 130 is located below the control part 120. The safety line 134 connected to the safety belt 300 worn by the operator can be rolled up and rotated. When the control trigger 121 is operated and lowered, the rotating part 130 can engage with the control trigger 121 and limit the rotation to prevent the safety line 134 from coming loose.
[0065] Therefore, the rotating part 130 can be configured to include a brake disc 131 and a rotating shaft 133.
[0066] The brake disc 131 is located opposite the bottom of the control trigger 121 and can rotate on both sides about the rotation axis 133, and multiple brake discs 131 are arranged on both sides of the receiving portion 111.
[0067] The brake disc 131 is a circular plate. Its diameter can be the size that is accommodated in the receiving portion 111, and its thickness can be the size that corresponds to the inner end of the receiving portion 111 that accommodates the control trigger 121, and is wider than the width of the control trigger 121.
[0068] Braking teeth 132 are formed on the outer peripheral surface of the control disc. The gap and width of the braking teeth 132 can correspond to the gap and width of the trigger teeth 124, so that when the control trigger 121 descends, the trigger teeth 124 can engage with the braking teeth 132, thereby preventing the control disc from rotating.
[0069] The rotating shaft 133 is a horizontal shaft connecting multiple brake discs 131. The brake discs 131 are disposed on both sides of the receiving portion 111, with their ends connected to the inner side of the receiving portion 111 and capable of rotating in place. The safety line 134 can be fixedly connected to the center of the rotating shaft 133. At this time, one end of the safety line 134 is connected to the rotating shaft 133, and a safety ring 135 can be provided at the front end after winding. A through hole for exposing the safety ring 135 can be formed on one side of the housing 110, so that the safety ring 135 can be exposed to the outside of the housing 110.
[0070] As one embodiment, the rotating shaft 133 can be installed as a spring mechanism and automatically wind. When the safety line 134 is pulled to the outside of the housing 110, the rotating shaft 133 rotates in one direction. The safety line 134 can be released from the rotating shaft 133 and extend to the outside of the housing 110. When the tension on the safety line 134 is released, the safety line 134 can be wound on the rotating shaft 133, and at the same time, the safety line 134 can rotate from its original position to the other direction.
[0071] Based on the above structure, the following is an example of the use of the tower worker protection device 1 according to the preferred embodiment of the present utility model.
[0072] Workers H who need to climb the iron tower 10 for high-altitude operations can wear a safety harness 300 (or a safety elastic belt) and ride on the iron tower 10 to move to a higher position. Preferably, they wear a swing-type safety harness 300. A D-ring is installed on the back of the swing-type safety harness 300. A safety harness fixing hook 320 is connected to the D-ring as a carabiner. One end of the tension rope 330 is connected to the safety harness fixing hook 320. The other end of the tension rope 330 can be equipped with a ring mounting hook 310 as a hook that can be connected to the safety device of the iron tower 10.
[0073] As a standard safety device for tower 10, the vertical rope is installed vertically. Therefore, when climbing tower 10, worker H must pull the ring hook 310 and connect it to the vertical rope to ensure safety. When worker H reaches the predetermined height and performs work related to tower 10, worker H is required to work while moving horizontally. However, with the existing safety belt 300 connected to the vertical rope, horizontal movement is restricted, and the further one moves horizontally, the more it becomes a safety obstacle. Therefore, in order to enable worker H to move horizontally smoothly and work safely, the safety belt 300 is securely connected to the tower worker protection device 1 of this utility model.
[0074] First, worker H can use the ladder inside the tower 100 to move vertically to the location where he wants to perform the work, select the safe working track 200 installed near the target point of the work, and approach the track moving module 100 installed on the safe working track 200.
[0075] The track moving module 100 can be connected vertically or nearly vertically to the safety working track 200. The safety line 134 is wound around the rotating part 130 inside the housing 110, and the safety ring 135 connected to the front end of the safety line 134 can be exposed outside the housing 110, i.e., towards the operator H.
[0076] When worker H selects the safety work track 200 and the track moving module 100 mounted thereon at a specific location, he approaches the track moving module 100 and pulls the ring mounting hook 310 of the safety belt 300 to connect it to the safety ring 135. At this time, the track moving module 100 can be installed in every three or four sections of the safety work track 200, and the entire vertical length of the tower 10 will not move while connected to a track moving module 100. In order to use the track moving module 100 after vertically moving it to a specific point using a ladder, it may be desirable to set the track moving module 100 in each predetermined section.
[0077] Now, since the tension rope 330 connects the safety belt 300 to the track moving module 100, the worker H is connected to the safe working track 200, and when the worker H moves horizontally, the track moving module 100 can be dragged and moved by the ring mounting hook 310 and the tension rope 330, so smooth horizontal movement and maintenance operations can be performed.
[0078] When operator H is operating in a normal state, the track movement module 100 can remain vertical or connected to the safety work track 200 at a similarly vertical angle. Preferably, it can be configured to allow tilting within a range of 85 to 70 degrees in a vertical state, and this angle range can be determined by the angle of the groove slope 212 of the groove portion 210. Within the above angle range, even if operator H tilts their body during operation, the control unit 120 will not operate, and as the safety line 134 extends in length from the rotation axis 133, allowing the track movement module 100 to be separated from the operator, smooth operation can be performed without difficulty.
[0079] During normal operation, the control trigger 121 within the housing 110 is accommodated within the recess 210, with a slight difference in proximity to the recess top 211 and the recess slope 212. Even if the housing 110 is tilted within a predetermined range, the recess slope 212 will not contact the top of the control trigger 121, so pressing the control trigger 121 will not cause any issues. Therefore, the control trigger 121 remains in its current position, and the brake disc 131 can rotate freely without engaging with the brake disc 131 at the bottom of the control trigger 121. Furthermore, the safety line 134 can be easily unwound and wound, thus supporting safe operation by the operator.
[0080] Now, assuming that worker H loses his balance and falls from tower 10, when worker H descends to the side of tower 10, tension rope 330 tightens, and safety ring 135 connected to ring mounting hook 310 is pulled, safety line 134 is pulled, and at the same time, due to the pulling of safety line 134, housing 110 tilts in the direction in which worker leaves.
[0081] In this situation, since the safety working track 200 is fixed to the tower 10, and the track moving module 100 is tilted only when connected to the safety working track 200, the control unit 120 installed inside the housing 110 can also tilt along with it. When the housing 110 tilts, the control trigger 121 also tilts in the lateral direction. At this time, the control trigger 121, which is housed in the groove 210 in a non-contact state, tilts together with the housing 110, contacting and pressing the inclined surface 212 of the groove.
[0082] To further explain, the top of the control trigger 121 is a gently curved protrusion, the groove 210 is curved, and the top of the control trigger 121 is accommodated in the groove 210. Therefore, even if the housing 110 is tilted, the top of the control trigger 121 is formed to rotate in place within the groove 210 and remains in a state of not contacting the groove 210 according to the tilt angle of the groove slope 212. When the tilt of the housing 110 exceeds a predetermined angle, the control trigger 121 is pressed onto the safety operating track 200 while contacting the groove slope 212.
[0083] At this time, the groove slope 212 stops without contacting the control trigger 121. Instead, the groove slope 212 slides along the upper curved surface of the control trigger 121. The greater the inclination of the housing 110, the closer the top of the control trigger 121 is to the edge of the groove 210 and is pressed, and the brake disc 131 is in a state where it can descend deeply.
[0084] When unfolded, since the control trigger 121 is connected to the trigger spring 122 fixed in the receiving part 111, it is pushed downward and moved by the elasticity of the trigger spring 122 when the groove slope 212 is contacted and pressed.
[0085] Since the control trigger 121 has trigger teeth 124 formed at its bottom and is arranged relatively closely with the brake disc 131, when the control trigger 121 is pressed and moved downward, the trigger teeth 124 descend and engage with the brake teeth 132 of the brake disc 131.
[0086] Since the top of the control trigger 121 contacts the groove 210 of the safety work track 200 and remains in a strongly pressed state, the lower trigger tooth 124 of the control trigger 121 engages with the brake tooth 132, which can maintain a strong stop state and prevent the rotation of the brake disc 131.
[0087] Since the brake disc 131 is integrated with the rotating shaft 133, when the brake disc 131 is engaged with the control trigger 121 and is in a stationary state, the rotating shaft 133 stops rotating and the release of the safety line 134 also stops. Therefore, the worker stops descending and prevents a fall while connected to the safety line 134 and safety ring 135, which are no longer extending.
[0088] Therefore, the worker H who has stopped descending can wait for support personnel or approach the tower 10 on their own to avoid the risk of a safety accident. When the worker H eliminates the danger of falling or similar incidents and returns to normal, the housing 110 can return to a state perpendicular to the safe working track 200. Therefore, when the top of the brake disc 131 is not in contact with the groove slope 212, the control trigger 121 rises due to the elasticity of the trigger spring 122, thereby releasing the connection between the control trigger 121 and the brake disc 131, and the rotating shaft 133 can rotate normally again.
[0089] At this time, the tilted track movement module 100 is in an unstable state where the edge of the recess 210 and the upper curved surface of the control trigger 121 are unstablely engaged within the housing 110. Therefore, by forcefully pulling the safety line 134 and releasing the force that tilts the housing 110, the upper curved surface of the control trigger 121 slides into the recess 210, and can be easily restored to its original state. That is, the track movement module 100 can have a state where it is perpendicular to the safety working track 200 in its original installation form.
[0090] Meanwhile, as another embodiment of this utility model, the safety operation track 200 can be formed with an elliptical cross-section, and the groove portion 210 can also be formed with an elliptical curved surface. In this case, the two ends of the groove portion 210 extend and connect to the inner end 213 of the groove, and the inner end 213 of the groove connects to the outer end 214 of the groove, which are the two elliptical ends of the safety operation track 200. At this time, the outer end 213 of the groove is formed with a gently curved surface that is inclined at a predetermined angle toward the top of the control trigger 121, and the outer end 214 of the groove can be formed with a rapidly curved surface that protrudes in the horizontal direction and has a large curvature.
[0091] Due to the above structure, similar to another embodiment of the present invention, when the track moving module 100 tilts due to reasons such as a worker falling, the position of the control trigger 121 rotates laterally, and the top of the control trigger 121, which is housed in the groove portion 210, is pressed while contacting the inner end 213 of the groove at the edge of the groove portion 210, so that the control trigger 121 can be pressed and moved downward.
[0092] Furthermore, in another embodiment of this utility model, when the housing 110 tilts sharply, the top of the control trigger 121 leaves the outer end 213 of the groove, and the two ends of the safety working track 200 formed outside the groove 210 are pushed and contacted. Since the safety working track 200 is elliptical, from the side, the outer end 214 of the groove has a downward extending shape and is a protruding curved surface with a large curvature. When the housing 110 tilts sharply, the control trigger 121, in the state of contacting the outer side of the safety working track 200, is subjected to much stronger pressure than when it is pressed on the inner end 213 of the groove, and is pushed into the brake disc 131 relatively deeper.
[0093] exist Figure 8 Another embodiment of the invention is shown below, such as Figure 8 As shown in [a], under slight pressure, the control trigger 121 contacts the outer end 213 of the groove, and the overlap between the trigger tooth 124 and the brake tooth 132 is only L1, thus applying a weak braking force. Conversely, under relatively strong pressure, the housing 110 tilts significantly, and the control trigger 121 descends relatively deeply while contacting the outer end 214 of the groove, with the overlap between the trigger tooth 124 and the brake tooth 132 being L2, thus applying a forced force.
[0094] Therefore, when an operator slightly slips on a slightly level surface, the tilt angle of the track movement module 100 is small, and the rotation of the housing 110 occurs within a small angle range. Consequently, when the control trigger 121 is pressed on the outer end 213 of the groove, it moves downward to a relatively shallow depth. Therefore, the connection intersection depth of the trigger tooth 124 and the brake tooth 132 is also relatively shallow. Figure 8 L1 in 'a' can also be very small. That is, it will produce a relatively weak braking force.
[0095] Conversely, when a worker falls violently due to a large impact, the track movement module 100 tilts at a large angle, and the housing 110 tilts violently. At this time, the control trigger 121 also deviates from the safe working track 200 at a large angle, is pushed past the outer end 213 of the groove and reaches the outer end 214 of the groove, and is subjected to relatively deep and strong pressure, thus descending deeply in the direction of the brake disc 131. The trigger teeth 124 and the brake teeth 132 intersect relatively deeply ( Figure 8[b] (L2), thereby increasing the contact area. That is, when the control trigger 121 and the brake tooth 132 are tightly engaged, the support force increases and can generate forced force.
[0096] In summary, when a worker accidentally falls while working on the tower 10, as described above, when the control trigger 121 descends with the tilt of the track moving module 100 and engages with the brake tooth 132, the rotation of the brake disc 131 can be forcibly stopped. Thus, when the tension rope 330 of the worker's safety belt 300 is caught on the safety ring 135 of the track moving module 100, and the release of the safety line 134 stops, the worker can be prevented from continuing to fall and moved to a safe location or rescued by a third party.
[0097] In another embodiment of this utility model, the multiple bearings 114 disposed on the inner circumferential surface of the track receiving surface 115 can have different sizes. This is because the cross-section of the track receiving surface 115 is circular, while the safety working track 200 is elliptical. In order for the housing 110 to rotate while accommodating the elliptical safety working track 200, the track receiving surface 115 must be a circular cross-section with a diameter corresponding to the widest width of the safety working track 200. Therefore, when the track moving module 100 is in a vertical state, the distance between the safety working track 200 and the track receiving surface 115 on the track receiving surface 115 tangent to the upper part of the safety working track 200 is relatively increased. Therefore, it is preferable to install bearings 114 that are relatively larger than those 114 disposed on the side of the safety working track 200.
[0098] The embodiments of the present invention described above are merely exemplary, and those skilled in the art to which this invention pertains will clearly recognize that various modifications and other equivalent embodiments are possible.
[0099] Therefore, it should be understood that this utility model is not limited to the forms mentioned in the above detailed description. Thus, the true scope of protection of this utility model should be determined by the technical concept outlined in the appended patent claims.
[0100] Furthermore, this utility model should be understood to include all variations, equivalents, and alternatives within the spirit and scope of this utility model as defined by the appended claims.
[0101] In the picture
[0102] 1: Protective devices for workers operating iron towers
[0103] 10: Eiffel Tower
[0104] 100: Track Moving Module
[0105] 110: Shell
[0106] 111: Reception Department
[0107] 112: Cover
[0108] 113: Fixing part
[0109] 114: Bearings
[0110] 115: Track accommodating surface
[0111] 120: Control Department
[0112] 121: Control trigger
[0113] 122: Trigger Spring
[0114] 123: Spring-fixed protrusion
[0115] 124: Trigger teeth
[0116] 130: Rotating part
[0117] 131: Brake disc
[0118] 132: Brake gear
[0119] 133: Rotation axis
[0120] 134: Safety Line
[0121] 135: Safety Ring
[0122] 200: Safe operating track
[0123] 210: Groove section
[0124] 211: Above the groove
[0125] 212: Groove slope
[0126] 213: Inner end of the groove
[0127] 214: Outer end of the groove
[0128] 300: Seatbelt
[0129] 310: Ring mounting hook
[0130] 320: Seatbelt fixing hook
[0131] 330: Tighten the rope.
Claims
1. An iron tower worker protection device, characterized in that, Also includes: The safety operating track is installed spirally around the vertical length of the tower. as well as The track-moving module is installed on the safety work track, connected to the worker's safety belt, and moves spirally along the safety work track. The safe operating track includes: The recessed portion has a predetermined width along its length from the bottom; and The step portion protrudes at predetermined intervals along the upper length direction. The track movement module includes: case; The housing, as the internal space of the shell, is formed to house the safety operating track in the upper part and the control unit and rotating part in the lower part; The control unit is used to control the raising and lowering of the trigger and to control the movement of the rotating part; The rotating part, located below the control unit, is connected to the safety cable of the seat belt and rotates around it. It engages with the control trigger when the control trigger descends, restricting its rotation. The control unit includes: The control trigger is formed in the shape of a rod, with multiple triggers formed on the two inner ends of the receiving part. The upper part is closely attached to the receiving part of the groove, and the lower part is opposite to the rotating part. It moves up and down on the safety working track according to the tilt of the housing. A trigger spring is provided for surrounding and connecting to the outer peripheral surface of the control trigger. A spring retaining protrusion is used to secure the trigger spring to the inner circumferential surface of the receiving portion; and Trigger teeth are formed protruding from the bottom of the control trigger. The rotating part includes: Multiple brake discs, located below the control trigger, have brake teeth formed on their outer peripheral surfaces; and The rotating shaft, which serves as the horizontal axis connecting the brake disc, has a safety line wound around its center, with both ends connected to the inside of the housing.
2. The tower worker protection apparatus of claim 1, wherein Also includes: The housing includes: The track accommodating surface, serving as the inner circumferential surface of the safe operation track accommodating space, is formed with a circular cross-section; Multiple bearings are configured as spheres partially embedded along the inner circumferential surface of the track receiving surface, thereby partially protruding toward and contacting the safety working track receiving space.
3. The personnel protection device for tower workers according to claim 2, characterized in that, The step section is located in the section between the bearings. The height of the step is less than the gap between the surface of the safe working track and the track accommodating surface.
4. The personnel protection device for tower workers according to claim 1, characterized in that, The safe operating track has a circular cross-section. The groove is a bent shape, possessing On the groove; and Multiple grooves with inclined surfaces extend and slope on both sides above the groove.
5. The personnel protection device for tower workers according to claim 1, characterized in that, The safe operating track is formed with an elliptical cross section, and the groove is formed with an elliptical curved surface.