Protective device

Abstract

A protective device, by modifying its structure, can improve the safety of workers operating at heights. The device includes a support unit, which comprises a support rod. A mounting base is located at the bottom of the support rod. The mounting base can be switched between a locked position and an unlocked position. In the locked position, the mounting base is configured to magnetically connect to the top of a transformer; in the unlocked position, the mounting base is configured to disengage from the top of the transformer. This application achieves rapid assembly, disassembly, and reuse of the support unit by employing a magnetic connection between the mounting base and the top of the transformer. Compared with traditional methods, this significantly reduces manual operation time and physical exertion, improving efficiency and safety during high-altitude operations.

Description

Technical Field

[0001] This application relates to the field of fall protection equipment technology, and more specifically, to a protective device. Background Technology

[0002] Transformers are large electrical equipment, typically exceeding 2 meters in height, making work on top of them considered high-altitude work. Therefore, there is a certain risk of fall when performing operations such as installing accessories on top of transformers. Improving the safety of workers operating these equipment has always been a pursuit of those skilled in the art. Summary of the Invention

[0003] The purpose of this invention is to provide a protective device that, by modifying the structure of the protective device, can improve the safety of workers operating at heights.

[0004] To achieve the above objectives, the present invention provides a protective device, including a support unit, the support unit including a support rod, the bottom of the support rod being provided with a mounting seat, the mounting seat being switchable between a locked position and an unlocked position, in the locked position the mounting seat is configured to be magnetically connected to the top of the transformer, in the unlocked position the mounting seat is configured to be disengaged from the top of the transformer.

[0005] This application achieves rapid disassembly and reuse of the support unit by using a magnetic coupling between the mounting base and the top of the transformer. Compared with the traditional method, this significantly reduces manual operation time and physical exertion, and improves high-efficiency operation and safety.

[0006] Optionally, the protective device includes at least two support units and ropes connected to the support units.

[0007] Optionally, the protective device includes at least three support units, with ropes connected to the support units and forming a closed loop structure.

[0008] Optionally, the protective device further includes a locking element, which includes a rope-loading portion. The rope-loading portion includes two receiving channels spaced apart along a first direction to form a gap. Each receiving channel has openings at both ends along the first direction, and the gap communicates with the receiving channels through the openings. Each receiving channel has a mounting port on its side that extends along the first direction and connects to the opening. In the second direction, which is perpendicular to the first direction, one mounting port is located on one side of the locking member and the other mounting port is located on the other side of the locking member.

[0009] Optionally, the size of the mounting opening is less than or equal to the radial dimension of the rope.

[0010] Optionally, the spacer has a stop section, the surface of which passes through the mounting opening.

[0011] Optionally, the locking component also includes a locking bar disposed on the rope mounting part and a driving component that is kinetically connected to the locking bar, the locking bar being provided with a locking protrusion; Under the action of the driving component, the locking rod can move the locking lug in the direction of extending into the receiving channel to the locked position; or in the direction of exiting the receiving channel to the unlocked position.

[0012] Optionally, the driving component includes a locking plate hinged to the locking rod, the locking plate having a locking hole, and the locking rod being elastically connected to a locking pin; in the locked position, the locking pin is located inside the locking hole.

[0013] Optionally, the end of the support rod is provided with a rotating seat, and the rotating seat is provided with a locking ring.

[0014] Optionally, the support rod includes a base section and an extension section; the support rod has an extended position and a retracted position, in the extended position the extension section is fixed to the outside of the base section, and in the retracted position the extension section is located inside the base section.

[0015] Optionally, the mounting base is a permanent magnet lifter.

[0016] Other features and advantages of this specification will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of this specification and, together with their description, serve to explain the principles of this specification.

[0018] Figure 1 This is a schematic diagram of the structure of the protective device in one embodiment of this application; Figure 2 This is a partial structural diagram of the support unit; Figure 3 for Figure 2 Cross-sectional view at position A in the middle; Figure 4 This is a front view of the locking component; Figure 5 This is an isometric view of the locking component; Figure 6 This is a side view of the locking element; Figure 7 This is a partial structural diagram of the locking component; Figure 8 This is a schematic diagram of another structure of the protective device in the embodiments of this application.

[0019] Explanation of reference numerals in the attached figures: 1 Support unit 11 Support rod 11-1 Rotating seat 11-2 Locking Ring 11-3 Basic Section 11-4 Extension 11-41 Mounting Holes 11-5 Pin 11-6 Limiting hole 12 mounting brackets 12-1 Socket 2. Rope 3 Locking components 31 Rope Loading Section 31-1 Accommodation Channel 31-1a Opening 31-1b Installation Port 31-2 First mounting plate 31-21 First section 31-21a Stop section 31-22 Second section 31-23 First bend section 31-3 Second mounting plate 31-31 Third section Sections 31-32, Fourth Section 31-33 Second bend section 31-4 Spacing section 32 Locking bar 32-1 Locking pin 33 Locking plate 33-1 Keyhole 33-2 Slide 4. Top of the transformer Detailed Implementation

[0020] To achieve the above objectives, the present invention provides a protective device that, by modifying its structure, improves the safety of workers performing tasks at heights. For example... Figures 1-8 As shown, Figure 1 This is a schematic diagram of the structure of the protective device in one embodiment of this application; Figure 2 This is a partial structural diagram of the support unit; Figure 3 for Figure 2 Cross-sectional view at position A in the middle; Figure 4 This is a front view of the locking component; Figure 5 This is an isometric view of the locking component; Figure 6 This is a side view of the locking element; Figure 7 This is a partial structural diagram of the locking component; Figure 8 This is a schematic diagram of another structure of the protective device in the embodiments of this application.

[0021] See Figure 1 and Figure 2The protective device includes a support unit 1, which includes a support rod 11. The bottom of the support rod 11 is provided with a mounting seat 12, which can be switched between a locked position and an unlocked position. In the locked position, the mounting seat 12 is configured to be magnetically connected to the top 4 of the transformer, and in the unlocked position, the mounting seat 12 is configured to be disengaged from the top 4 of the transformer.

[0022] Specifically, the support unit 1 can be disposed on the top 4 of the transformer, and the top 4 of the transformer can be a plate-like structure extending in the horizontal direction. Of course, the protective device in this application can also be adapted to other working environments, and no specific limitations are made here.

[0023] The support rod 11 extends vertically. The support rod 11 is used to connect to the safety belt worn by the operator. A mounting base 12 is provided at the bottom of the support rod 11. The support rod 11 and the mounting base 12 can be connected in a detachable manner. For example, the mounting base 12 has a recess 12-1 of a certain depth, into which the support rod 11 is inserted and threadedly fitted.

[0024] Mounting base 12 can be a permanent magnet lifter. The permanent magnet lifter uses a permanent magnet to generate a constant magnetic field. By rotating the internal magnetic core, the direction of magnetic circuit conduction is changed, thereby achieving the attraction and release of the transformer top 4.

[0025] In actual operation, the operator can magnetically connect the permanent magnet lifter to the four phases at the top of the transformer by manipulating the magnetic core of the permanent magnet lifter. After operation, the permanent magnet lifter can be disconnected from the four phases at the top of the transformer by manipulating the magnet.

[0026] This application achieves quick assembly and disassembly and reuse of the support unit 1 by using a magnetic fit between the mounting base 12 and the top 4 of the transformer. Compared with the traditional method, this significantly reduces manual operation time and physical labor consumption, and improves high-efficiency operation and safety.

[0027] Example 1

[0028] According to some embodiments of this application, the protective device includes at least two support units 1 and a rope 2, the rope 2 being connected to the support units 1.

[0029] Specifically, when two support units 1 are provided, the top of the support rod 11 is provided with mounting holes 11-41, through which the rope 2 can pass and be fixedly connected to the corresponding support rod 11. The rope 2 can be made of a high-strength, bendable material such as steel cable. In actual operation, the rope 2 is connected to the safety belt of the operator.

[0030] By adopting the technical solution of this application, the support unit 1 is connected by a freely threadable rope 2, and the mounting base 12 of the support unit 1 is magnetically connected. This makes it easy to adjust the spacing of the support unit 1 and the tension of the rope 2. The on-site layout is simple and the adaptability is wider.

[0031] Of course, it is also possible to use a rigid connection between the two support units 1, such as using steel pipes to connect the corresponding support rods 11, without making specific limitations here.

[0032] According to some embodiments of this application, the protective device includes at least three support units 1, and ropes 2 are connected to the support units 1 to form a closed loop structure. When three or more support units 1 are provided, the ropes 2 pass through each support rod 11 in sequence, and the two ends of the ropes 2 are fixedly connected, thereby enabling the ropes 2 to form a closed loop in the horizontal plane.

[0033] In actual operation, all support units 1 are installed together on the top 4 of the transformer and connected by ropes 2 to form a closed loop structure. At this point, the orthographic projection range of the protective device is within the orthographic projection range of the top 4 of the transformer. By adopting this method, the closed-loop rope 2 can be adapted to multiple support units 1 to form multi-point stable support, allowing the force on the rope 2 to be distributed to multiple support rods 11 when subjected to the impact of a fall, avoiding single-point overload failure and improving the overall system's load-bearing capacity and impact resistance reliability. Simultaneously, the closed-loop rope 2 can be adapted for operators to maneuver around the transformer, enhancing the safety and flexibility of the protective device.

[0034] According to some embodiments of this application, see Figure 4 to Figure 7 The protective device also includes a locking member 3, which includes a rope-loading portion 31. The rope-loading portion 31 includes two receiving channels 31-1 spaced apart along a first direction to form a spacer portion 31-4. Each receiving channel 31-1 has an opening 31-1a at both ends along the first direction. The spacer portion 31-4 is connected to the receiving channel 31-1 through the opening 31-1a. Each receiving channel 31-1 has a mounting port 31-1b extending along the first direction and communicating with the opening 31-1a on its side. In a second direction perpendicular to the first direction, one mounting port 31-1b is located on one side of the locking member 3, and the other mounting port 31-1b is located on the other side of the locking member 3.

[0035] Specifically, the rope-loading part 31 is used to connect the rope 2. The rope-loading part 31 includes two receiving channels 31-1 spaced apart along the extension direction of the rope 2. The rope 2 passes through the receiving channels 31-1 and extends out of the receiving channels 31-1 through an opening 31-1a provided in the receiving cylinder. A spacer 31-4 is formed between the two receiving channels 31-1. The spacer 31-4 communicates with the corresponding opening 31-1a along a first direction. The mounting port 31-1b extends along the first direction and communicates with the two openings 31-1a of the mounting channel. The mounting port 31-1b is provided on the side of the mounting channel and is distributed on both sides of the rope-loading part 31 along a second direction, forming a staggered side mounting channel.

[0036] The first direction and the second direction can both be located in the horizontal plane, and the first direction and the second direction are perpendicular to each other and perpendicular to the vertical direction, respectively.

[0037] During the actual assembly process, the locking member 3 is moved so that the rope 2 is inserted vertically into the spacer 31-4, at which point the rope 2 is perpendicular to the distribution direction of the receiving channel 31-1. The rope mounting part 31 is positioned perpendicular to the axial direction of the rope 2. Then, the rope mounting part 31 is rotated around the vertical axis so that the two rope segments on both sides of the spacer 31-4 abut against the edges of the corresponding mounting openings 31-1b. Continuing to rotate the rope mounting part 31 in the same direction, the two mounting openings 31-1b exert opposing assembly pressures on the corresponding rope segments, causing the two rope segments to undergo slight deformation under synchronous force. This allows the two rope segments to be squeezed into the receiving channel 31-1 through the corresponding mounting openings 31-1b until the rope 2 is completely inserted into the receiving channel 31-1, thus achieving the installation of the rope 2 and the rope mounting part 31. This enables rapid tool-free assembly of the rope mounting part 31 and the rope 2, requiring no additional fasteners throughout the process, making the operation simple and efficient.

[0038] When it is necessary to separate the rope mounting part 31 from the rope 2, simply rotate the rope mounting part 31 in the opposite direction so that both ends of the rope 2 located in the receiving channel abut against the corresponding mounting openings 31-1b. With further rotation, the torque applied by operating the rope mounting part 31 can push the rope 2 into the mounting opening 31-1b and into the spacer 31-4. Then, by operating the rope mounting part 31 vertically, the rope 2 can be separated from the spacer 31-4. This allows for quick disassembly of the rope mounting part 31 and the rope 2, making the operation simpler and more efficient.

[0039] According to some embodiments of this application, the size of the mounting port 31-1b is less than or equal to the radial dimension of the rope 2.

[0040] Specifically, the vertical dimension of the mounting opening 31-1b is less than or equal to the radial dimension of the rope 2. This allows the mounting opening 31-1b to provide radial restraint to the rope 2 after it is inserted into the receiving channel 31-1, effectively preventing the rope 2 from loosening or detaching from the mounting opening 31-1b under stress, shaking, or accidental disturbance, thus ensuring the reliability of the connection between the locking member 3 and the rope 2. Furthermore, since the two mounting openings 31-1b are located on both sides of the rope-loading part 31 along the second direction in this technical solution, the rope 2 will be subjected to reverse forces after being inserted, further counteracting loosening caused by unilateral disturbances and significantly improving the torsional stability of the locking member 3 on the rope 2. Even when the operator moves, turns, or is subjected to lateral tension, the locking member 3 can be prevented from tilting, deflecting, or accidentally detaching relative to the rope 2, ensuring the continuity and stability of safety protection during high-altitude operations.

[0041] Of course, the vertical dimension of the mounting port 31-1b can also be larger than the radial dimension of the rope 2, so that the rope 2 can enter the receiving channel 31-1 more easily through the mounting port 31-1b, further reducing assembly resistance and improving the smoothness of rope installation; at the same time, it can adapt to different specifications of rope 2 within a certain radial tolerance range, improving the versatility and interchangeability of the locking part 3.

[0042] To prevent the rope mounting part 31 from detaching from the rope 2, a stop (not shown in the figure) can be provided at the mounting opening 31-1b. The stop is elastically connected to the rope mounting part 31 and can be unidirectionally rotated towards the inside of the receiving channel 31-1. When assembling the rope 2, the stop can be unidirectionally rotated towards the inside of the receiving channel 31-1 under the squeezing action of the rope 2, avoiding the rope 2 so that it can be smoothly inserted. After the rope 2 enters the receiving channel 31-1, the stop resets under the action of elastic force, re-sealing the mounting opening 31-1b, thereby forming a reliable stop and limit for the rope 2, preventing the rope 2 from coming out of the mounting opening 31-1b under shaking, force, or disturbance. Even when the size of the mounting opening 31-1b is larger than the radial size of the rope 2, a stable anti-detachment effect can still be achieved.

[0043] To disassemble the rope mounting part 31 from the rope 2, the stop can be manually operated so that it avoids the mounting opening 31-1b, and the rope mounting part 31 from the rope 2 can be quickly disassembled in the aforementioned manner.

[0044] According to some other embodiments of this application, the spacer 31-4 has a stop section 31-21a, the surface of which the stop section 31-21a is located passes through the mounting opening 31-1b.

[0045] Specifically, the rope mounting section 31 includes a first mounting plate 31-2 and a second mounting plate 31-3 spaced apart from each other along a second direction, with identical structures. The first mounting plate 31-2 includes a first plate segment 31-21 extending vertically and along a first direction, with a second plate segment 31-22 at one end of the first plate segment 31-21. The second plate segment 31-22 extends vertically, thus forming an L-shaped structure. The second mounting plate 31-3 includes a third plate segment 31-31 extending vertically and along the first direction, and a fourth plate segment 31-32 extending vertically.

[0046] The first plate segment 31-21 and the third plate segment 31-31 are arranged opposite each other along the second direction, and the second plate segment 31-22 and the fourth plate segment 31-32 are located on opposite sides along the first direction. The second plate segment 31-22 and the fourth plate segment 31-32 form a gap between their projection ranges in the second direction, which is the aforementioned spacer 31-4.

[0047] The second plate segment 31-22 is provided with a first bending segment 31-23, which bends in a direction away from the second plate segment 31-22. The end of the first bending segment 31-23 is vertically opposite to the third plate segment 31-31 and forms the aforementioned mounting opening 31-1b. Similarly, the fourth plate segment 31-32 is provided with a second bending segment 31-33, which bends in the opposite direction to the first bending segment 31-23 and forms the aforementioned other mounting opening 31-1b with the first bending segment 31-23.

[0048] Taking the specific structure of the first mounting plate 31-2 as an example, the portion of the first plate segment 31-21 located within the spacer 31-4 serves as the first sub-plate segment. This first sub-plate segment constitutes the aforementioned stop segment 31-21a. The portion of the first plate segment 31-21 that forms the mounting opening 31-1b is the second sub-plate segment. The first and second sub-plate segments can be located on the same plane or on different planes. In this case, the plane containing the first sub-plate segment simply needs to pass through the mounting opening 31-1b.

[0049] By adopting this method, the stop section 31-21a can form a vertical stop on the rope 2, thereby facilitating the guidance of the rope 2 to a position that matches the installation port 31-1b and improving the alignment accuracy of the installation.

[0050] According to other embodiments of this application, the locking member 3 further includes a locking rod 32 disposed on the rope mounting portion 31 and a driving member pulsatorically connected to the locking rod 32. The locking rod 32 is provided with a locking protrusion. Under the action of the driving member, the locking rod 32 drives the locking protrusion to move toward the direction of extending into the receiving channel 31-1 to the locking position; or to move toward the direction of exiting the receiving channel 31-1 to the unlocking position. The number of locking rods 32 can be one or more, and multiple locking rods 32 are driven together by the driving member to maintain synchronous movement.

[0051] Specifically, in the locked position, the locking protrusion can vertically press the rope 2 located within the receiving channel 31-1 against the wall of the receiving channel 31-1, thereby preventing the locking member 3 from moving relative to the rope 2. The surface of the locking protrusion that contacts the rope 2 can be a curved surface, thereby reducing friction between the locking protrusion and the rope 2. The locking rod 32 and the locking protrusion can be an integral structure or a separate connection structure, without specific limitations here.

[0052] By adopting this method, it is possible to unlock the locking device 3 and the rope 2.

[0053] Specifically, the locking bar 32 is hinged to the rope mounting part 31. The driving component includes a locking plate 33 hinged to the locking bar 32, the locking plate 33 having a locking hole 33-1, and the locking bar 32 being elastically connected to a locking pin 32-1; in the locked position, the locking pin 32-1 is located within the locking hole 33-1. This further improves the reliability of the connection between the locking component 3 and the rope 2.

[0054] A sliding pair can be formed between the locking pin 32-1 and the locking plate 33. For example, the locking plate 33 is provided with a sliding groove 33-2, which is adapted to the rotation path of the locking rod 32. Thus, during the rotation of the locking rod 32, the locking pin 32-1 can slide in the sliding groove 33-2. The lock hole 33-1 is provided in the sliding groove 33-2, which facilitates the precise insertion of the locking pin 32-1 into the lock hole 33-1 in the locked position.

[0055] Example 2

[0056] In some other embodiments of this application, see [link to relevant documentation]. Figure 8 The end of the support rod 11 is provided with a rotating seat 11-1, and the rotating seat 11-1 is provided with a locking ring 11-2.

[0057] Specifically, the protective device includes a single support unit 1. When the space at the top of the transformer 4 is limited and multiple support units 1 cannot be installed, a rotating seat 11-1 can be installed on the top of the single support unit 1. A locking ring 11-2 is provided on the rotating seat 11-1. The locking ring 11-2 can be connected to the hook provided at the installation point. The rotating seat 11-1 can rotate 360° around the support rod 11, thereby providing a flexible safety belt attachment point.

[0058] The rotating base 11-1 may include a fixed base threadedly connected to the support rod 11, a bracket with a locking ring 11-2, and ball bearings disposed between the fixed base and the bracket, thereby enabling the bracket to rotate 360° relative to the fixed base. The locking ring 11-2 can thus adjust its connection direction with the safety belt according to the operator's position, preventing the safety belt from becoming tangled or twisted, thereby improving operational flexibility and overall safety.

[0059] According to the aforementioned embodiments, see Figure 2 and Figure 3 The support rod 11 can be a telescopic rod with an extended position and a retracted position, so that the height of the support rod 11 can be adjusted according to the height of the operator, thereby further improving the adaptability of the protective device.

[0060] The support rod 11 may include a base section 11-3 and an extension section 11-4. In the extended position, the extension section 11-4 is fixed to the outside of the base section 11-3; in the retracted position, the extension section 11-4 is located inside the base section 11-3. The top end of the extension section 11-4 is provided with a mounting hole 11-41 for the rope 2 to pass through. One of the base section 11-3 or the extension section 11-4 is also provided with a pin 11-5, and the other is provided with a limiting hole 11-6. In the extended position, the pin 11-5 is inserted into the limiting hole 11-6 to lock the base section 11-3 and the extension section 11-4. The pin 11-5 is elastically connected so that it can be withdrawn from the limiting hole 11-6, thereby enabling the extension and retraction of the support rod 11. Similarly, the pin 11-5 forms a sliding pair with one of the base section 11-3 or the extension section 11-4, which will not be described further here.

[0061] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above description of the implementation methods is only for the purpose of helping to understand the core ideas of the present invention. It should be noted that relational terms such as "first" and "second" are only used to distinguish one component from another that has the same name, and do not necessarily require or imply any such actual relationship or order between these components.

[0062] The foregoing embodiments are merely illustrative. Those skilled in the art can make various improvements and modifications to the invention without departing from its principles, and these improvements and modifications also fall within the scope of the claims. Furthermore, those skilled in the art can combine the various embodiments in part or in whole, and all technical solutions derived from such combinations fall within the scope of this patent.

Claims

1. A protective device, characterized in that, The system includes a support unit (1), which includes a support rod (11). The bottom of the support rod (11) is provided with a mounting seat (12). The mounting seat (12) can be switched between a locked position and an unlocked position. In the locked position, the mounting seat (12) is configured to be magnetically connected to the top of the transformer (4). In the unlocked position, the mounting seat (12) is configured to be detached from the top of the transformer (4).

2. The protective device according to claim 1, characterized in that, It includes a rope (2) and at least two of the support units (1), the rope (2) being connected to the support unit (1).

3. The protective device according to claim 2, characterized in that, It includes at least three of the support units (1), and the rope (2) is connected to the support units (1) and forms a closed loop structure.

4. The protective device according to claim 2, characterized in that, The protective device further includes a locking member (3), which includes a rope-loading part (31). The rope-loading part (31) includes two receiving channels (31-1) spaced apart along a first direction to form a spacer (31-4). Each receiving channel (31-1) has an opening (31-1a) at both ends along the first direction. The spacer (31-4) is connected to the receiving channel (31-1) through the opening (31-1a). Each of the receiving channels (31-1) has a mounting port (31-1b) extending along the first direction and communicating with the opening (31-1a) on its side. In a second direction perpendicular to the first direction, one mounting port (31-1b) is located on one side of the locking member (3), and the other mounting port (31-1b) is located on the other side of the locking member (3).

5. The protective device according to claim 4, characterized in that, The size of the mounting port (31-1b) is smaller than the radial dimension of the rope (2).

6. The protective device according to claim 4, characterized in that, The locking member (3) further includes a locking rod (32) disposed on the rope loading part (31) and a driving member that is pulsatorically connected to the locking rod (32). The locking rod (32) is provided with a locking protrusion. Under the action of the driving member, the locking rod (32) drives the locking protrusion to move toward the direction of extending into the receiving channel (31-1) to the locking position; or moves toward the direction of exiting the receiving channel (31-1) to the unlocking position.

7. The protective device according to claim 6, characterized in that, The driving component includes a locking plate (33) hinged to the locking rod (32), the locking plate (33) having a locking hole (33-1), and the locking rod (32) being elastically connected to a locking pin (32-1); in the locked position, the locking pin (32-1) is located inside the locking hole (33-1).

8. The protective device according to claim 1, characterized in that, The end of the support rod (11) is provided with a rotating seat (11-1), and the rotating seat (11-1) is provided with a locking ring (11-2).

9. The protective device according to any one of claims 1-8, characterized in that, The support rod (11) includes a base section (11-3) and an extension section (11-4); the support rod (11) has an extended position and a retracted position; in the extended position, the extension section (11-4) is fixed to the outside of the base section (11-3), and in the retracted position, the extension section (11-4) is located inside the base section (11-3).

10. The protective device according to any one of claims 1-8, characterized in that, The mounting base (12) is a permanent magnet lifter.

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