Device for preventing cable from dragging distribution box
By using a cable drag prevention distribution box device in the electrical operation of port machinery and equipment, and by using a trigger plate and detection limit components to automatically prevent the equipment from moving, the safety hazard of cable dragging during the maintenance of port machinery and equipment is solved, and efficient safety protection is achieved.
Patent Information
- Application Number
- CN202520294933.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
During the maintenance of port machinery and equipment, there is a risk of dragging power cables when moving equipment during power operations, which threatens the safety of workers and may cause accidents. Existing technologies mainly rely on management measures and are difficult to completely eliminate this risk.
Design a device to prevent cable dragging of a distribution box, including a power socket, a trigger plate, a detection limit component and a controller. The detection limit component is triggered by the swing of the trigger plate, and a signal is sent to the controller to prevent the device from moving, ensuring that the device does not move before the cable is securely connected.
It completely eliminates the risk of dragging caused by equipment movement during power operations, significantly improves on-site safety, reduces the risk of personnel collisions and cable dragging, and has a simple structure, high degree of automation, and wide applicability.
Smart Images
Figure CN223956996U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to port operation technical field, concretely relates to a device that prevents cable to drag distribution box. BACKGROUND
[0002] In the whole service cycle of port mechanical equipment, the emergence of equipment failure is difficult to avoid, and part of the maintenance task involves welding, cutting and other electric operation. In view of the particularity of port operation environment, such electric operation often relies on the power supply of port mechanical equipment itself. However, due to the demand of port ship's berthing and unberthing and the specific requirements of production department, port mechanical equipment needs to be moved sometimes. In this case, if the port mechanical equipment is moved in the electric operation, not only the life safety of the operating personnel is directly threatened, but also secondary accidents may be caused by dragging power cable. Therefore, an important issue we face is how to minimize or even eliminate the risk of dragging accident in the process of electric operation.
[0003] In the current maintenance process of port mechanical equipment, the measures for preventing dragging risk are mainly implemented through the management level, specifically including: requiring equipment maintenance personnel to be equipped with special personnel for on-site monitoring when performing operation, and strictly implementing safety procedures such as pressing emergency stop button and hanging warning signs. However, if there is communication barrier or maintenance operation needs to be coordinated due to technical requirements, the emergency stop button cannot be pressed in time, and the potential threat of dragging accident may still exist.
[0004] In order to ensure the safety of personnel and equipment during maintenance operation and prevent the occurrence of dragging risk, we need to introduce and strengthen technical means to effectively reduce or even eliminate such risk. This measure aims to build a more comprehensive and efficient safety protection system to provide solid protection for the maintenance work of port mechanical equipment. CONTENT OF THE UTILITY MODEL
[0005] The utility model provides a device that prevents cable to drag distribution box, aims at solving the problem in prior art.
[0006] The technical scheme that the utility model solves above-mentioned technical problem is as follows:
[0007] A device that prevents cable to drag distribution box, including power socket, cable, trigger plate, detection limiting component and controller, the trigger plate is installed on the detection limiting component, it can swing and trigger the detection limiting component, the detection limiting component is connected with the controller communication, the power socket is installed above one side of the trigger plate, one end of the cable is inserted with the power socket, and it is lapped on the trigger plate.
[0008] The utility model discloses beneficial effect is: in the operation of taking electricity, need first plug and cable play trigger plate, can then stably connect to the socket, this process will automatically trigger detection limit;
[0009] Detection limit is triggered once, will immediately send instruction to the controller of shore bridge equipment through communication signal, and then realize the mobile inhibition function of equipment.
[0010] The application of this device completely eliminates the dragging risk caused by accidental movement of shore bridge equipment during the power taking operation from the technical level, significantly improves the safety level of on-site power operation, and effectively reduces the potential safety risks such as personnel collision and cable dragging caused by equipment movement.
[0011] The utility model discloses simple structure, reasonable in design can realize in technical level eliminate the dragging risk in the power taking process of shore bridge operation, safe and reliable, with wide applicability, reduce the influence of personnel quality, high automation degree and other advantages.
[0012] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0013] Further, the detection limit component includes a detection limit block and a limit switch with elastic function, and the detection limit block is fixedly arranged.
[0014] The beneficial effect of the above further scheme is simple structure, reasonable in design, the detection limit block is used to assemble the trigger plate, and the limit switch is used to cooperate with the limit hole on the trigger plate, so that the trigger plate triggers the limit switch under the driving of the cable, the limit switch sends a signal to the controller, and the controller sends an instruction to stop the equipment, which is safe and reliable.
[0015] Further, the trigger plate is a fan-shaped plate.
[0016] The beneficial effect of the above further scheme is that the shape of the trigger plate is reasonably designed, and the fan-shaped part of the trigger plate should block the front part of the power taking socket, so that the power taking process can trigger the detection limit, and then achieve the purpose of preventing the movement of the trolley and eliminating the dragging risk.
[0017] Further, the limit hole is a waist round hole, which extends along the radial direction of the trigger plate.
[0018] The beneficial effect of the above further scheme is that the shape of the limit hole is reasonably designed to better cooperate with the limit switch when the trigger plate swings.
[0019] Further, the central angle of the trigger plate is 90°.
[0020] The beneficial effect of the further scheme is that the shape of the trigger plate is reasonable, which facilitates cooperation with the limit switch during swinging.
[0021] Further, the detection limit block is in a rectangular block structure.
[0022] The beneficial effect of the further scheme is that the shape of the detection limit block is reasonable, which facilitates assembly.
[0023] Further, the detection limit block is fixedly installed on the bracket.
[0024] The beneficial effect of the further scheme is that the structure is simple and reasonable, and the bracket is fixed on the steel structure of the shore crane by welding, which facilitates assembly.
[0025] Further, the bracket is an angle steel with an L-shaped cross section.
[0026] The beneficial effect of the further scheme is that the shape of the bracket is reasonable, which facilitates assembly of various components.
[0027] Further, the bracket is an angle steel with an L-shaped cross section.
[0028] The beneficial effect of the further scheme is that the structure is simple and reasonable, and the bracket is fixed on the steel structure of the shore crane by welding, which facilitates assembly.
[0029] Further, the bracket is an angle steel with an L-shaped cross section.
[0030] The beneficial effect of the further scheme is that the structure is simple and reasonable, and the bracket is fixed on the steel structure of the shore crane by welding, which facilitates assembly. BRIEF DESCRIPTION OF DRAWINGS
[0031] Fig. 1 The structure of the present application is shown in the schematic diagram.
[0032] Fig. 2 The structure of the present application is shown in the schematic diagram.
[0033] Fig. 3 The structure of the present application is shown in the schematic diagram.
[0034] Fig. 4 The structure of the present application is shown in the schematic diagram.
[0035] In the drawings, the components represented by each reference numeral are listed as follows:
[0036] 1. Bracket; 2. Detection limit block; 3. Trigger plate; 4. Power socket; 5. Limit hole; 6. Cable; 7. Fixing plate. Detailed Implementation
[0037] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0038] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0040] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0041] Example 1
[0042] like Figs. 1 to 4 As shown, this embodiment provides a device for preventing cables from dragging a distribution box, including a power socket 4, a cable 6, a trigger plate 3, a detection and limiting component, and a controller. The trigger plate 3 is mounted on the detection and limiting component and can swing to trigger the detection and limiting component. The detection and limiting component is communicatively connected to the controller. The power socket 4 is mounted above one side of the trigger plate 3, and one end of the cable 6 is plugged into the power socket 4 and overlaps the trigger plate 3.
[0043] When the power taking operation is performed, the plug is first triggered with the cable 6 to displace the trigger plate 3, and then can be stably connected to the socket, and this process will automatically trigger the detection limit;
[0044] Once the detection limit is triggered, an instruction will be sent to the controller of the shore-to-ship crane equipment through a communication signal, thereby realizing the movement inhibition function of the equipment.
[0045] The application of this device completely eliminates the dragging risk caused by accidental movement of the shore-to-ship crane equipment during the power taking operation from a technical level, significantly improves the safety level of on-site power operation, and effectively reduces potential safety risks such as personnel collision and cable dragging caused by equipment movement.
[0046] This embodiment has simple structure and reasonable design, and can eliminate the dragging risk during the power taking operation of the shore-to-ship crane from a technical level, is safe and reliable, and has the advantages of wide applicability, reduction of personnel quality influence, high automation degree, etc.
[0047] Embodiment 2
[0048] In this embodiment based on embodiment 1, the detection limit assembly includes a detection limit block 2 and a limit switch with elastic function, and the detection limit block 2 is fixedly arranged; the limit switch is fixedly installed on the detection limit block 2 and is in communication connection with the controller; the trigger plate 3 is installed on the detection limit block 2 and is provided with a limit hole 5, and one end of the limit switch extends into the limit hole 5.
[0049] This scheme has simple structure and reasonable design, uses the detection limit block 2 to assemble the trigger plate 3, and uses the limit switch and the limit hole on the trigger plate 3 to cooperate, so that the trigger plate 3 triggers the limit switch under the driving of the cable 6, the limit switch sends a signal to the controller, and the controller sends an instruction to stop the equipment, which is safe and reliable.
[0050] Preferably, in this embodiment, the limit switch is an existing technology, and the specific model is Z4V7H 332-11Z.
[0051] Embodiment 3
[0052] In this embodiment based on embodiment 2, the trigger plate 3 is a fan-shaped plate.
[0053] The shape of the trigger plate 3 is reasonably designed, and the fan-shaped part of the trigger plate 3 should block the front part of the power taking socket 4, so that the power taking process can trigger the detection limit, thereby achieving the purpose of preventing the movement of the trolley and eliminating the dragging risk.
[0054] Based on the above scheme, the material of the trigger plate 3 is acrylic plate, and the whole is fan-shaped. The angle and radius of the fan-shaped part are determined according to the specific working condition, so as to ensure that the detection limit can be triggered when taking power, and the power operation is not affected.
[0055] The fan-shaped part of the trigger plate 3 just blocks the front of the power socket 4. When taking power through the shore bridge, the plug and cable will move the trigger plate 3 and prevent it from rebounding.
[0056] Embodiment 4
[0057] In this embodiment, the limiting hole 5 is a waist round hole, which extends along the radial direction of the trigger plate 3.
[0058] The shape of the limiting hole is reasonably designed to better cooperate with the limit switch when the trigger plate 3 swings.
[0059] Alternatively, the limiting hole 5 can also be a long strip hole.
[0060] Embodiment 5
[0061] In this embodiment, the central angle of the trigger plate 3 is 90°.
[0062] The shape of the trigger plate 3 is reasonably designed to facilitate cooperation with the limit switch during swinging.
[0063] Embodiment 6
[0064] In this embodiment, the detection limit block 2 is in the form of a rectangular block structure.
[0065] The shape of the detection limit block 2 is reasonably designed to facilitate assembly.
[0066] Embodiment 7
[0067] In this embodiment, the detection limit block 2 is fixedly installed on the bracket 1.
[0068] This scheme has simple structure and reasonable design. When assembling, the bracket 1 is fixed on the steel structure of the shore bridge by welding, which is convenient.
[0069] Embodiment 8
[0070] In this embodiment, the bracket 1 is an angle steel with an L-shaped cross section.
[0071] The shape of the bracket 1 is reasonably designed to facilitate assembly of various components.
[0072] Preferably, in this embodiment, the material of the bracket 1 is 3mm thick angle steel.
[0073] Alternatively, the bracket 1 can also adopt other suitable geometric shapes, such as square steel.
[0074] Embodiment 9
[0075] In this embodiment, based on the embodiment 8, a fixing plate 7 is further fixedly installed on one end of the bracket 1, and the detection limiting block 2 is fixedly installed on the fixing plate 7.
[0076] This scheme has simple structure and reasonable design, and the fixing plate 7 is assembled on the bracket 1 to assemble the detection limiting block, which is convenient.
[0077] Embodiment 10
[0078] In this embodiment, based on the embodiment 9, the cross section of the fixing plate 7 is L-shaped.
[0079] This scheme has simple structure and reasonable design of the shape of the fixing plate 7, and is convenient for assembling the detection limiting block.
[0080] Alternatively, the fixing plate 7 can also adopt other suitable geometric shapes, such as a rectangular plate.
[0081] The fixing plate 7 is integrally formed with the bracket 1.
[0082] The working principle of the utility model is as follows:
[0083] The bracket 1 can be fixed on the steel structure platform near the shore power supply socket by welding, and when in use, the suitable trigger plate 3 is selected according to the orientation, height and size of the power supply socket, and the trigger plate 3, the detection limiting block and the bracket 1 are tightly connected through bolts;
[0084] When the shore power supply needs to be maintained, the plug and the cable need to be moved to trigger the trigger plate 3, and then the plug and the cable can be stably connected to the socket, and the plug and the cable will prevent the trigger plate 3 from rebounding, and this process will continue to trigger the detection limiting block;
[0085] Once the detection limiting block is triggered, it will immediately send an instruction to the control system of the shore equipment through a communication signal, and then realize the movement inhibition function of the equipment.
[0086] The utility model has the advantages of:
[0087] The utility model can eliminate the dragging risk in the shore power supply process in the technical aspect, has the advantages of wide applicability, reduces the influence of personnel quality, and has high automation degree.
[0088] The utility model provides a safe and effective solution for preventing the cable from dragging the distribution box during the shore power supply operation.
[0089] The device for preventing cable from dragging distribution box belongs to the field of port operation, and is mainly used for preventing the distribution box from being damaged due to the movement of the crane mechanism of the loading and unloading equipment and the cable of the power taking equipment dragging the distribution box when the port loading and unloading equipment relies on the self power supply and distribution device to supply and distribute power.
[0090] It should be noted that each electronic component involved in the present application adopts the prior art, and each component and the controller are electrically connected, and the control circuit between the controller and each component is the prior art.
[0091] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.
[0092] In addition, it should be understood that although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the present application is only for the sake of clarity, and those skilled in the art should consider the present application as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.
[0093] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A device for preventing cable drag on a power box, comprising: It includes an electric socket (4), a cable (6), a trigger plate (3), a detection limiting assembly and a controller, the trigger plate (3) is installed on the detection limiting assembly, it can swing and trigger the detection limiting assembly, the detection limiting assembly is in communication connection with the controller; the electric socket (4) is installed above one side of the trigger plate (3), one end of the cable (6) is plugged with the electric socket (4), it is lapped on the trigger plate (3).
2. The device for preventing cable drag on a power box of claim 1, wherein: The detection limiting assembly includes a detection limiting block (2) and a limiting switch with elastic function, the detection limiting block (2) is fixedly arranged; the limiting switch is fixedly installed on the detection limiting block (2), it is in communication connection with the controller; the trigger plate (3) is swingly installed on the detection limiting block (2), it is provided with a limiting hole (5), one end of the limiting switch extends into the limiting hole (5).
3. The device for preventing cable drag on a power box of claim 2, wherein: The trigger plate (3) is a fan-shaped plate.
4. The device for preventing cable drag on a power box of claim 3, wherein: The limiting hole (5) is a waist round hole, it extends along the radial direction of the trigger plate (3).
5. The device for preventing cable drag on a power box of claim 3, wherein: The central angle of the trigger plate (3) is 90°.
6. A device for preventing cable drag on a power box according to any one of claims 2-5, characterized in that: The detection limiting block (2) is in rectangular block structure.
7. The device for preventing cable drag on a power box of any of claims 2-5, wherein: It also includes a bracket (1), the detection limiting block (2) is fixedly installed on the bracket (1).
8. The device for preventing cable drag on a power box of claim 7, wherein: The bracket (1) is an angle steel with L-shaped cross section.
9. The device for preventing cable drag on a power box of claim 8, wherein: One end of the bracket (1) is also fixedly provided with a fixed plate (7), the detection limiting block (2) is fixedly installed on the fixed plate (7).
10. The device for preventing cable drag on a power box of claim 9, wherein: The cross section of the fixed plate (7) is L-shaped.