Tool car for maintenance

Abstract

The utility model relates to a tool car for maintenance. The tool car comprises a tool car body and various maintenance tools arranged on the tool car body. The side portion of the upper end of the tool car body is connected with a push rod, a plurality of universal wheels are arranged at the bottom of the tool car body, and a controller is arranged on the upper portion of the side end of the tool car body. A plurality of containing cavities are inwards formed in the side face, adjacent to the controller, of the tool car body, spare part storage boxes and safety doors are assembled on the containing cavities, spare part storage chambers are formed in the containing cavities in the safety doors, and various spare parts are stored in the spare part storage boxes and the spare part storage chambers. The various maintenance tools comprise the spare parts, and a safety helmet, a measuring tool and an operation tool which are arranged at the upper end of the tool car body; the safety helmet comprises a safety helmet body, operation glasses and a camera, wherein the operation glasses and the camera are arranged on the safety helmet body, and the controller is in wireless connection with the camera. According to the technical scheme, the tool car is of a movable structure with the tool car body as a main body, and various maintenance tools are all placed on the movable tool car to be managed in a unified mode.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance equipment, in particular to a maintenance tool vehicle. Background Art

[0002] In order to ensure the normal operation of manufacturing equipment in the workshop (factory), eliminate equipment safety hazards, and slow down the equipment degradation process, equipment technicians need to perform regular maintenance work on the equipment.

[0003] During the maintenance of existing equipment, maintenance tools are usually not placed next to the equipment. Maintenance personnel need to go to specific places to find and pick up tools, and the tools they pick up may not be suitable. They need to go back and forth many times. In addition, some tools are not returned in time after being used by others due to distance and work tasks. In this case, maintenance personnel cannot find the tools in the first place, which makes the maintenance work inefficient and causes certain troubles to the staff.

[0004] In addition, when performing maintenance on the equipment, if there is a problem with the equipment, the maintenance personnel will be at a loss for a moment, and there will be no data (size, torque, etc.) and steps (process) to refer to. Summary of the invention

[0005] In order to solve the above problems, the purpose of the utility model is to provide a maintenance tool cart, which can be moved to any place in the workshop to maintain the equipment, and various maintenance tools are managed in a unified manner on the tool cart, which is convenient for maintenance personnel to select and use and will not forget to return them; in addition, the tool cart can record the maintenance process and maintenance data on the tools, which is convenient for subsequent reference and maintenance by staff.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A maintenance tool cart, characterized in that it comprises a tool cart body and a plurality of maintenance tools arranged on the tool cart body; a push rod is connected to the upper side of the tool cart body, a plurality of universal wheels are arranged at the bottom of the tool cart body, and a controller is arranged at the upper side of the tool cart body;

[0008] A plurality of accommodating cavities are constructed inwardly on the side of the tool vehicle body adjacent to the controller, and a spare parts storage box and a safety door are installed on the accommodating cavity. A spare parts storage room is formed in the accommodating cavity inside the safety door, and a variety of spare parts are stored in the spare parts storage box and the spare parts storage room;

[0009] The plurality of maintenance tools include the spare parts and a safety helmet, a measuring tool and a working tool arranged on the upper end of the tool vehicle body;

[0010] The safety helmet comprises a safety helmet body, working glasses and a camera arranged on the safety helmet body, and the controller is wirelessly connected to the camera.

[0011] In the above technical solution, the tool cart is a movable structure with the tool cart body as the main body. The maintenance personnel can push the tool cart to any equipment through the hand push rod and the universal wheel, which is very convenient. Various maintenance tools are placed on the movable tool cart. Commonly used tools such as safety helmets, measuring tools and working tools are placed on the upper end of the tool cart body for easy access. Spare tools are placed in the tool cart body for easy storage. In addition, the camera on the safety helmet can record the maintenance process and upload it to the controller of the tool cart for reference for subsequent maintenance.

[0012] Preferably, a cap holder is provided at the upper end of the tool trolley body, and the helmet body is hung on the cap holder. In this technical solution, the cap holder is used to support the helmet body to prevent the helmet body from shaking and falling during the movement of the tool trolley body.

[0013] Preferably, the helmet body includes a cap body and a brim, a mounting hole is provided at the front end of the cap body, a quick-insert bracket is fixedly installed in the mounting hole at an angle, and the camera is provided in multiple numbers and integrated on the quick-insert bracket; a notch is provided at the inner end of the brim corresponding to the mounting hole, and the lower end of the quick-insert bracket is bent to form a vertical fold, and the lower end of the fold abuts against the notch. In this technical solution, multiple cameras are integrated on the quick-insert bracket, and can be arranged vertically or horizontally in a regular manner, and the quick-insert bracket is fixed on the mounting hole, and the lower end of the fold abuts against the notch to further prevent left and right shaking and increase the fixing area, making the camera more stable.

[0014] Preferably, the lower end of the folding block is flush with the lower end surface of the brim, and the lower end of the folding block is constructed inward to form a plug-in slot; the working glasses include a frame and a lens arranged on the frame; a plug-in plate extending upward from the middle of the frame, the plug-in plate and the plug-in slot tightly cooperate to achieve the fixation of the working glasses and the helmet body. In this technical solution, the plug-in plate and the plug-in slot tightly cooperate to achieve the quick disassembly and assembly between the working glasses and the helmet, which is convenient for the use and storage of the working glasses.

[0015] Preferably, the measuring tool is wirelessly connected to the controller, and the measuring tool is a digital micrometer or a digital vernier caliper. In this technical solution, the measuring tool is wirelessly connected to the controller, and the maintenance data (size, etc.) can be uploaded to the controller of the tool cart for reference in subsequent maintenance.

[0016] Preferably, the measuring tool is fitted on the upper end of the tool trolley body, and a measuring tool lock is provided on the tool trolley body to abut the measuring tool, and the measuring tool lock is electrically connected to the controller; a measuring tool guide light is provided on the tool trolley body and close to the measuring tool lock, and the measuring tool guide light is electrically connected to the controller. In this technical solution, the measuring tool lock and the measuring tool are locked in a magnetic way, which is attracted when the power is on and released when the power is off, and the measuring tool guide light lights up when the measuring tool lock and the measuring tool are locked, and goes out after unlocking, prompting the user to pick up the corresponding tool to avoid taking the wrong tool and improve efficiency. It should be noted here that when picking up a specific tool, it is selected with one click through the controller.

[0017] Preferably, the working tool is wirelessly connected to the controller, and the working tool is a digital torque wrench or a fixed-torque electric screwdriver. In this technical solution, the working tool is wirelessly connected to the controller, and the maintenance data (torque, etc.) can be uploaded to the controller of the tool vehicle for reference in subsequent maintenance.

[0018] Preferably, the working tool is fitted on the upper end of the tool trolley body, and a working tool lock is provided on the tool trolley body to abut the working tool, and the working tool lock is electrically connected to the controller; a working tool guide light is provided on the tool trolley body and close to the working tool lock, and the working tool guide light is electrically connected to the controller. In this technical solution, the working tool lock and the working tool are locked in a magnetic way, which is attracted when the power is on and released when the power is off, and the working tool guide light lights up when the working tool lock and the working tool are locked, and goes out after unlocking, prompting the user to take the corresponding tool to avoid taking the wrong tool and improve efficiency. It should be noted here that when taking a specific tool, it is selected with one click through the controller.

[0019] Preferably, a spare parts lock is provided on the inner wall of the accommodating cavity, and the spare parts lock is electrically connected to the controller. The spare parts lock includes a first spare parts lock corresponding to the spare parts storage box, and a second spare parts lock corresponding to the spare parts storage chamber; the outer end face of the first spare parts lock is flush with the end face of the cavity opening of the accommodating cavity, and the second spare parts lock is arranged inside the spare parts storage chamber. The spare parts storage box includes a box body and a box door arranged outside the box body, and the box door corresponds to the cavity opening of the accommodating cavity and has an outer diameter greater than the inner diameter of the cavity opening. The box door and the safety door are provided with handles. When the spare parts storage box and the spare parts storage chamber are in a closed state, the box door fits with the first spare parts lock, and the safety door fits with the second spare parts lock. In this technical solution, the first spare parts lock and the box door, as well as the second spare parts lock and the safety door are locked by magnetic attraction, which are attracted when the power is on and released when the power is off. When taking a specific tool, it can be selected by one key through the controller, which is very convenient.

[0020] Preferably, a spare parts indicator light is provided on the tool trolley body near the spare parts storage box and the spare parts storage chamber, and the spare parts indicator light is electrically connected to the controller. In this technical solution, the spare parts indicator light lights up when the spare parts lock is locked with the spare parts storage box or the safety door, and goes out after unlocking, prompting the user to take the corresponding tool, avoiding taking the wrong tool, and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a three-dimensional structural schematic diagram of a maintenance tool vehicle.

[0022] Figure 2 The present invention is a schematic diagram of the front structure of a maintenance tool vehicle.

[0023] Figure 3 The figure is a schematic diagram of the structure of a maintenance tool vehicle from a top view.

[0024] Figure 4 This is a schematic diagram of the assembly of the helmet body, work glasses and camera.

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the helmet body.

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the quick-insert bracket. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] like Figures 1 to 6 A maintenance tool cart shown in the figure comprises a tool cart body 1 and a plurality of maintenance tools arranged on the tool cart body 1; a push rod 2 is connected to the upper side of the tool cart body 1, a plurality of universal wheels 3 are arranged at the bottom of the tool cart body 1, and a controller 4 is arranged at the upper side of the tool cart body 1;

[0033] The tool vehicle body 1 is provided with a plurality of accommodating cavities on the side adjacent to the controller 4, and the accommodating cavities are provided with a spare parts storage box 5 and a safety door 6. The safety door 6 forms a spare parts storage room in the accommodating cavities, and the spare parts storage box 5 and the spare parts storage room store various spare parts;

[0034] The various maintenance tools include the spare parts and a safety helmet, a measuring tool 7 and a working tool 8 arranged on the upper end of the tool vehicle body 1;

[0035] The safety helmet comprises a safety helmet body, working glasses 9 and a camera 10 arranged on the safety helmet body, and the controller 4 is wirelessly connected to the camera 10 .

[0036] In the above technical solution, the tool cart is a movable structure with the tool cart body as the main body. The maintenance personnel can push the tool cart to any equipment through the hand push rod and the universal wheel, which is very convenient. Various maintenance tools are placed on the movable tool cart. Commonly used tools such as safety helmets, measuring tools and working tools are placed on the upper end of the tool cart body for easy access. Spare tools are placed in the tool cart body for easy storage. In addition, the camera on the safety helmet can record the maintenance process and upload it to the controller of the tool cart for reference for subsequent maintenance.

[0037] Furthermore, a cap holder 11 is provided at the upper end of the tool trolley body 1, and the helmet body is hung on the cap holder 11. In this technical solution, the cap holder is used to support the helmet body to prevent the helmet body from shaking and falling during the movement of the tool trolley body.

[0038] Furthermore, the helmet body includes a cap body 12 and a brim 13. A mounting hole 14 is provided at the front end of the cap body 12. A quick-insert bracket 15 is fixedly installed in the mounting hole 14 at an angle. The camera 10 is provided in multiple numbers and integrated on the quick-insert bracket 15. A notch 16 is provided at the inner end of the brim 13 corresponding to the mounting hole 14. The lower end of the quick-insert bracket 15 is bent to form a vertical folding block 17, and the lower end of the folding block 17 abuts against the notch 16. In this technical solution, multiple cameras are integrated on the quick-insert bracket, and can be arranged vertically or horizontally in a regular manner. The quick-insert bracket is fixed on the mounting hole, and the lower end of the folding block abuts against the notch to further prevent left and right shaking and increase the fixing area, making the camera more stable.

[0039] Furthermore, the lower end of the folding block 17 is flush with the lower end surface of the brim 13, and the lower end of the folding block 17 is constructed inward to form a plug-in slot 18; the working glasses 9 include a frame and lenses arranged on the frame; a plug-in plate 19 extending upward from the middle of the frame, and the plug-in plate 19 is tightly matched with the plug-in slot 18 to achieve the fixation of the working glasses 9 and the helmet body. In this technical solution, the plug-in plate and the plug-in slot are tightly matched to achieve the quick disassembly and assembly between the working glasses and the helmet, which is convenient for the use and storage of the working glasses.

[0040] Furthermore, the measuring tool 7 is wirelessly connected to the controller 4, and the measuring tool 7 is a digital micrometer or a digital vernier caliper. In this technical solution, the measuring tool is wirelessly connected to the controller, and the maintenance data (size, etc.) can be uploaded to the controller of the tool vehicle for reference in subsequent maintenance.

[0041] Furthermore, the measuring tool 7 is fitted on the upper end of the tool trolley body 1, and a measuring tool lock 20 is provided on the tool trolley body 1 to abut against the measuring tool 7, and the measuring tool lock 20 is electrically connected to the controller 4; a measuring tool guide light 21 is provided on the tool trolley body 1 and close to the measuring tool lock 20, and the measuring tool guide light 21 is electrically connected to the controller 4. In this technical solution, the measuring tool lock and the measuring tool are locked in a magnetic way, which is attracted when the power is on and released when the power is off, and the measuring tool guide light lights up when the measuring tool lock and the measuring tool are locked, and goes out after unlocking, prompting the user to take the corresponding tool to avoid taking the wrong tool and improve efficiency. It should be noted here that when taking a specific tool, it is selected by one key through the controller.

[0042] Furthermore, the working tool 8 is wirelessly connected to the controller 4, and the working tool 8 is a digital torque wrench or a fixed torque electric screwdriver. In this technical solution, the working tool is wirelessly connected to the controller, and the maintenance data (torque, etc.) can be uploaded to the controller of the tool vehicle for reference in subsequent maintenance.

[0043] Furthermore, the working tool 8 is fitted on the upper end of the tool trolley body 1, and a working tool lock 22 is provided on the tool trolley body 1 to abut the working tool 8, and the working tool lock 22 is electrically connected to the controller 4; a working tool guide light 23 is provided on the tool trolley body 1 and close to the working tool lock 22, and the working tool guide light 23 is electrically connected to the controller 4. In this technical solution, the working tool lock and the working tool are locked in a magnetic way, which is attracted when the power is on and released when the power is off, and the working tool guide light lights up when the working tool lock and the working tool are locked, and goes out after unlocking, prompting the user to take the corresponding tool to avoid taking the wrong tool and improve efficiency. It should be noted here that when taking a specific tool, it is selected by one key through the controller.

[0044] Furthermore, a spare parts lock is provided on the inner wall of the accommodating cavity, and the spare parts lock is electrically connected to the controller 4. The spare parts lock includes a first spare parts lock 24 corresponding to the spare parts storage box 5, and a second spare parts lock corresponding to the spare parts storage chamber; the outer end face of the first spare parts lock 24 is flush with the end face of the cavity opening of the accommodating cavity, and the second spare parts lock is arranged inside the spare parts storage chamber. The spare parts storage box 5 includes a box body and a box door 25 arranged outside the box body, and the box door 25 corresponds to the cavity opening of the accommodating cavity and has an outer diameter greater than the inner diameter of the cavity opening. The box door 25 and the safety door 6 are provided with a handle 26. When the spare parts storage box 5 and the spare parts storage chamber are in a closed state, the box door 25 fits with the first spare parts lock 24, and the safety door 6 fits with the second spare parts lock. In this technical solution, the first spare parts lock and the box door, and the second spare parts lock and the safety door are locked by magnetic attraction, which are attracted when the power is on and released when the power is off. When taking a specific tool, it can be selected by one key through the controller, which is very convenient.

[0045] Furthermore, a spare parts indicator light 27 is provided on the tool trolley body 1 near the spare parts storage box 5 and the spare parts storage chamber, and the spare parts indicator light 27 is electrically connected to the controller 4. In this technical solution, the spare parts indicator light is lit when the spare parts lock is locked with the spare parts storage box or the safety door, and is extinguished after being unlocked, prompting the user to take the corresponding tool, avoiding taking the wrong tool, and improving efficiency.

[0046] In this specific embodiment, the existing maintenance tools are inconvenient to take, there is no unified management, resulting in low maintenance efficiency, and there is no maintenance process and data reference when maintenance problems occur in the equipment. The above scheme is set up by setting a maintenance tool cart, which is a movable structure with the tool cart body as the main body. The maintenance personnel can push the tool cart to any equipment through the universal wheel by the hand push rod, which is very convenient. A variety of maintenance tools are placed on the movable tool cart, and commonly used tools such as safety helmets, measuring tools and working tools are placed on the upper end of the tool cart body for easy access. Spare tools are placed in the spare parts storage room and the spare parts storage room for easy storage. In addition, the camera on the safety helmet can record the maintenance process, and the maintenance tool can upload the maintenance data to the controller of the tool cart for reference for subsequent maintenance. In addition, the maintenance tool has a lock and a guide light, and the staff can take the corresponding tool with one click, which is very convenient. After use, it is placed in the tool cart body and re-locked by the controller for unified management.

[0047] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.

Claims

1. A maintenance tool vehicle, characterized in that: The tool trolley comprises a tool trolley body (1) and a plurality of maintenance tools arranged on the tool trolley body (1); a push rod (2) is connected to the upper side of the tool trolley body (1), a plurality of universal wheels (3) are arranged at the bottom of the tool trolley body (1), and a controller (4) is arranged at the upper side of the tool trolley body (1); A plurality of accommodating cavities are constructed inwardly on the side of the tool vehicle body (1) adjacent to the controller (4), the accommodating cavity being equipped with a spare parts storage box (5) and a safety door (6), a spare parts storage chamber being formed in the accommodating cavity within the safety door (6), and a plurality of spare parts being stored in the spare parts storage box (5) and the spare parts storage chamber; The plurality of maintenance tools include the spare parts and a safety helmet, a measuring tool (7) and an operating tool (8) arranged on the upper end of the tool vehicle body (1); The safety helmet comprises a safety helmet body, working glasses (9) and a camera (10) arranged on the safety helmet body, and the controller (4) is wirelessly connected to the camera (10).

2. A maintenance tool vehicle according to claim 1, characterized in that: A cap holder (11) is provided at the upper end of the tool vehicle body (1), and the safety helmet body is hung on the cap holder (11).

3. A maintenance tool vehicle according to claim 2, characterized in that: The helmet body comprises a cap body (12) and a brim (13); a mounting hole (14) is provided at the front end of the cap body (12); a quick-insert bracket (15) is obliquely embedded and fixed in the mounting hole (14); a plurality of cameras (10) are integrated on the quick-insert bracket (15); a notch (16) is provided at the inner end of the brim (13) corresponding to the mounting hole (14); the lower end of the quick-insert bracket (15) is bent to form a vertical folding block (17); the lower end of the folding block (17) abuts against the notch (16).

4. A maintenance tool vehicle according to claim 3, characterized in that: The lower end of the folding block (17) is flush with the lower end surface of the brim (13), and the lower end of the folding block (17) is constructed inwardly to form a plug-in slot (18); the working glasses (9) comprise a frame, and lenses arranged on the frame; a plug-in plate (19) extends upward from the middle of the frame, and the plug-in plate (19) is tightly matched with the plug-in slot (18) to achieve the fixation of the working glasses (9) and the helmet body.

5. A maintenance tool vehicle according to claim 1, characterized in that: The measuring tool (7) is wirelessly connected to the controller (4), and the measuring tool (7) is a digital micrometer or a digital vernier caliper.

6. A maintenance tool vehicle according to claim 5, characterized in that: The measuring tool (7) is arranged in close contact with the upper end of the tool trolley body (1); a measuring tool lock (20) is provided on the tool trolley body (1) abutting against the measuring tool (7); the measuring tool lock (20) is electrically connected to the controller (4); a measuring tool guide light (21) is provided on the tool trolley body (1) and close to the measuring tool lock (20); the measuring tool guide light (21) is electrically connected to the controller (4).

7. A maintenance tool vehicle according to claim 1, characterized in that: The working tool (8) is wirelessly connected to the controller (4), and the working tool (8) is a digital torque wrench or a fixed-torque electric screwdriver.

8. A maintenance tool vehicle according to claim 7, characterized in that: The working tool (8) is arranged in close contact with the upper end of the tool trolley body (1); a working tool lock (22) is provided on the tool trolley body (1) abutting against the working tool (8); the working tool lock (22) is electrically connected to the controller (4); and a working tool guide light (23) is provided on the tool trolley body (1) and close to the working tool lock (22); the working tool guide light (23) is electrically connected to the controller (4).

9. A maintenance tool vehicle according to claim 1, characterized in that: A spare parts lock is provided on the inner wall of the accommodating cavity, the spare parts lock is electrically connected to the controller (4), and the spare parts lock comprises a first spare parts lock (24) corresponding to the spare parts storage box (5), and a second spare parts lock corresponding to the spare parts storage chamber; the outer end surface of the first spare parts lock (24) is flush with the end surface of the cavity opening of the accommodating cavity, the second spare parts lock is arranged inside the spare parts storage chamber, the spare parts storage box (5) comprises a box body and a box door (25) arranged outside the box body, the box door (25) corresponds to the cavity opening of the accommodating cavity and the outer diameter is larger than the inner diameter of the cavity opening, the box door (25) and the safety door (6) are provided with handles (26), and when the spare parts storage box (5) and the spare parts storage chamber are in a closed state, the box door (25) is in contact with the first spare parts lock (24), and the safety door (6) is in contact with the second spare parts lock.

10. A maintenance tool vehicle according to claim 9, characterized in that: A spare parts indicator light (27) is provided on the tool vehicle body (1) near the spare parts storage box (5) and the spare parts storage chamber, and the spare parts indicator light (27) is electrically connected to the controller (4).

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