Liftable garage ceiling lamp convenient to overhaul for subway garage

Abstract

The utility model discloses a liftable garage ceiling lamp convenient to overhaul for a subway garage. The garage ceiling lamp comprises a fixed base, a hanging rod, a socket base, an outer framework, a lamp, a mechanical automatic retractor, a hanging rope and a power cable of the lamp. The suspender is vertically and fixedly connected to the bottom of the fixed base; the outer framework covers the lamp, and the socket base is arranged at the top of the outer framework and fixedly connected with the outer framework and the lamp. The mechanical automatic winder comprises a first automatic winder matched with the lifting rope and a second automatic winder matched with a power cable of the lamp; when the outer framework pulls down the lamp under the action of external force, the first automatic retractor and the second automatic retractor act to store energy, and the main stress is the lifting rope; and after the external force disappears, the first automatic retractor and the second automatic retractor automatically return to original positions, and the socket base is in socket connection with the suspender. Pure mechanical design is adopted, the lamp can be pulled down and automatically reset and fixed, climbing operation is not needed during overhauling, an electric device is not needed for the lifting function, and electrical potential safety hazards do not exist.

Description

Technical Field

[0001] This utility model relates to the field of subway lighting maintenance, and in particular to a liftable and easy-to-maintain parking garage roof light for subway depots. Background Technology

[0002] The existing garage ceiling lights in subway depots are mainly installed using conventional methods, secured with threaded rods. Maintenance requires the use of ladders, scaffolds, or lifts for work at height. Due to the complex environment of the subway depot area, with its trenches, tracks, power supply units, safety nets, and work scaffolds, working at height presents significant difficulties and safety risks.

[0003] In addition, some existing subway depots use remote-controlled electric winches for their garage ceiling lights, but this method is affected by power supply issues. If the circuit fails or the electrical system malfunctions, the lifting function will be lost. Furthermore, leaving the electric device powered on for extended periods poses a potential electrical safety hazard.

[0004] Therefore, it is evident that the existing subway depot ceiling lights still have inconveniences and defects in terms of structure, method, and use, and urgently need further improvement. Creating a new type of subway depot ceiling light that is retractable and easy to maintain has become a pressing goal for the industry. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a liftable and easy-to-maintain garage ceiling light for subway depots, which eliminates the need for climbing to work during maintenance and avoids electrical installation hazards.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A liftable and easy-to-maintain subway garage ceiling light includes a fixed base, a hanging rod, a socket base, an outer frame, a lamp, a mechanical automatic retractor, a hanging rope, and a power cable for the lamp.

[0008] The fixed base and mechanical automatic retractor are used for fixed installation on the garage ceiling; the hanging rod is vertically fixedly connected to the bottom of the fixed base; the outer frame covers the light fixture, and the socket base is set on the top of the outer frame and fixedly connected to the outer frame and the light fixture; the socket base is actively socketed to connect the hanging rod.

[0009] The mechanical automatic retractor includes a first automatic retractor for use with the suspension rope and a second automatic retractor for use with the power cable of the lamp; the upper end of the suspension rope is connected to the first automatic retractor and the lower end is connected to the outer frame; the upper part of the power cable is connected to the second automatic retractor and the lower end is connected to the lamp.

[0010] When the outer frame is pulled down by an external force, the first automatic retractor and the second automatic retractor activate to store energy, with the main force being the suspension rope; when the external force disappears, the first automatic retractor and the second automatic retractor automatically return to their original positions, and the socket base is inserted to connect the suspension rod.

[0011] As a further improvement of this utility model, both the first automatic winder and the second automatic winder include a housing, a winding rod, a damping shaft, and a spring winding box.

[0012] The winding rod is rotatably installed inside the housing, and the shaft of the damping shaft and the spring winding box are connected to the winding rod; the damping coefficient of the damping shaft can be adjusted according to the weight of the suspended object and the physical parameters of the spring.

[0013] Furthermore, the second automatic rewinder also includes a fixed bushing for securing the power cable and rewinding only the lower end of the power cable; the first automatic rewinder may or may not include the fixed bushing.

[0014] The damping shaft includes a first damping shaft and a second damping shaft located at both ends of the winding rod. The outer side of the first damping shaft is fixedly connected to the spring winding box, and the spring winding box is fixedly connected to the inner wall of the housing. The fixed bushing is disposed inside the second damping shaft, and the second damping shaft is connected to the inner wall of the housing.

[0015] Furthermore, both ends of the reel rod are movably mounted inside the housing via reel rod fixing shafts;

[0016] The winding rod is connected to the fixed bushing, the first damping shaft, the second damping shaft, the spring winding box, and the inner shaft of the winding rod fixed shaft by a square hole.

[0017] Furthermore, it also includes a cable swivel, which is connected to the outside of the boom, through which the power cable passes; the hoisting rope extends out of the first automatic retractor and then enters the interior of the boom, moving up and down along the interior of the boom.

[0018] Furthermore, the cable ferrule is integrally formed from two circular structures to form a figure-eight shape. One circular structure is fitted onto the outside of the boom and securely connected to the boom, while the other circular structure is used to pass through the power cable.

[0019] The cable ferrule is an openable ferrule, with the open end fixedly connected by screws;

[0020] There are multiple cable loops, which are evenly spaced from top to bottom along the suspension rod.

[0021] Furthermore, the socket base is a hollow cylinder, and the hollow part is used to insert and embed the hanging rod to fix the lamp.

[0022] Furthermore, the lamp includes a lampshade and a bulb, wherein the lampshade is hemispherical;

[0023] The outer frame is located on the outside of the lampshade and extends outward along the lampshade; the outer frame includes multiple intersecting semi-circular frames and a ring frame connected to the bottom of the semi-circular frames, and the whole is a hemispherical frame structure.

[0024] Furthermore, the fixed base is a fixed steel plate base, which is fixed to the garage ceiling with bolts;

[0025] And / or, the boom is a steel pipe boom, which is rigidly welded to the fixed steel plate base;

[0026] And / or, the outer frame is a steel outer frame;

[0027] And / or, the suspension rope is a soft steel wire rope;

[0028] And / or, the socket base is rigidly fixed to the steel outer frame and the lamp by welding.

[0029] Furthermore, it also includes a hooked long rod for providing downward pulling force.

[0030] By adopting the above technical solution, this utility model has at least the following advantages:

[0031] 1. This utility model adopts a purely mechanical design. It consists of a boom, a socket base, an outer frame, a mechanical automatic retractor, a suspension rope, and a power cable for the lamp. When the outer frame is subjected to external force pulling down the lamp, the mechanical automatic retractor activates and stores energy, with the suspension rope bearing the primary force. When the external force disappears, the mechanical automatic retractor automatically returns to its original position, and the socket base connects to the boom. Through this mutually cooperating structural arrangement, pulling down and automatic return to position and fixation can be achieved, eliminating the need for climbing during maintenance. Furthermore, the lifting function requires no electric device, eliminating any electrical safety hazards and meeting the requirements for safe and convenient use.

[0032] 2. A mechanical automatic winder with a spring-loaded winding box and a damping shaft is adopted. The spring-loaded winding box can release kinetic energy for rebound, and by selecting the appropriate resistance of the damping shaft, a slow rebound can be achieved.

[0033] 3. By using a fixed bushing to fix the power cable, it is possible to wind up only one end, that is, only the lower end of the power cable, thus avoiding the simultaneous winding of the upper and lower ends of the power cable.

[0034] 4. By using a structure where the suspension rope extends out of the first automatic retractor and then passes through the inside of the boom, moving up and down along the inside of the boom, and in conjunction with the power cable passing through the cable sleeve, the suspension rope can be used as the main load-bearing element, effectively protecting the power cable.

[0035] 5. The outer frame adopts a hemispherical frame structure, which, together with a long rod with hooks, allows for easy pulling down. Attached Figure Description

[0036] The above is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model, the following describes this utility model in further detail with reference to the accompanying drawings and specific embodiments.

[0037] Figure 1 This is a three-dimensional structural schematic diagram of a liftable and easily maintainable subway garage ceiling light according to one embodiment of the present invention.

[0038] Figure 2 This is a schematic diagram of the main structure of a liftable and easily maintainable subway garage ceiling light according to one embodiment of the present invention.

[0039] Figure 3 This is a schematic diagram of a mechanical automatic winder.

[0040] Figure 4 This is a schematic diagram of the cable collar installation structure;

[0041] Figure 5 This is a partial structural diagram of the lighting fixture.

[0042] In the diagram: 1-Fixed base; 2-Hanging rod; 3-Socket base; 4-Outer frame; 5-Lamp fixture; 51-Lampshade; 52-Light bulb; 6-Mechanical automatic winder; 61-First automatic winder; 62-Second automatic winder; 601-Housing; 602-Rod; 603-Damping shaft; 6031-First damping shaft; 6032-Second damping shaft; 604-Current winding box; 605-Fixed bushing; 606-Rod fixing shaft; 7-Hanging rope; 8-Power cable; 9-Cable ferrule; 10-Bolt. Detailed Implementation

[0043] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0044] In order to adapt to the special environment of subway depots, this embodiment provides a subway depot ceiling light with a purely mechanical design, which eliminates the need for climbing to work during maintenance and avoids electrical safety hazards.

[0045] like Figure 1 , Figure 2As shown in this embodiment, a retractable and easily maintainable subway garage ceiling light includes a fixed base 1, a suspension rod 2, a socket base 3, an outer frame 4, a lamp 5, a mechanical automatic retractor 6, a suspension rope 7, and a power cable 8 for the lamp. The fixed base 1 and the mechanical automatic retractor 6 are used for fixed installation on the garage ceiling; the suspension rod 2 is vertically fixedly connected to the bottom of the fixed base 1; the outer frame 4 covers the lamp 5, and the socket base 3 is located on the top of the outer frame 4 and fixedly connected to the outer frame 4 and the lamp 5; the socket base 3 is actively socketed to the suspension rod 2. The mechanical automatic retractor 6 includes a first automatic retractor 61 that matches the suspension rope 7 and a second automatic retractor 62 that matches the power cable 8 for the lamp; the upper end of the suspension rope 7 is connected to the first automatic retractor 61, and the lower end is connected to the outer frame 4; the upper part of the power cable 8 is connected to the second automatic retractor 62, and the lower end is connected to the lamp 5.

[0046] In actual maintenance work, a long rod with a hook that provides downward force can be used to hook the outer frame 4 and pull the lamp 5 down to the working height for maintenance. During the process of the outer frame 4 pulling down the lamp 5, the first automatic retractor 61 and the second automatic retractor 62 activate and store energy, with the main force being the hoisting rope 7. After the maintenance is completed, the first automatic retractor 61 and the second automatic retractor 62 automatically return to their original positions, and the socket base 3 is connected to the hoisting rod 2 to keep the lamp 5 stable, thus completing the entire maintenance process of the lamp.

[0047] This utility model adopts a purely mechanical design. By setting up the lifting rod 2, the socket base 3, the outer frame 4, the mechanical automatic retractor 6, the lifting rope 7, and the power cable 8 of the lamp, the structure can achieve pull-down and automatic return and fixation. No climbing work is required during maintenance. Moreover, the lifting function does not require an electric device, so there are no electrical safety hazards. It can meet the needs of safe and convenient use.

[0048] In the above structure, as a preferred embodiment: the fixed base 1 is a fixed steel plate base, made of hot-dip galvanized steel plate with a thickness of 0.5mm and dimensions of length * width = 200 * 200mm. The fixed base 1 is fixed to the garage ceiling using bolts 10; the bolts 10 are M8 hexagonal expansion bolts with a length of 80mm. The hanger 2 is a steel pipe hanger, a national standard hot-dip galvanized steel pipe with an outer diameter of 20mm, rigidly welded to the fixed steel plate base. The socket base 3 is rigidly fixed to the outer frame 4 and the lamp 5 by welding; the socket base 3 is a hollow cylinder with a height of 100mm, an outer diameter of 100mm, and an inner diameter of 20mm, with the hollow part being used to insert and embed the hanger 2 to fix the lamp. The suspension rope 7 is a soft steel wire rope with a diameter of 3mm. The power cable 8 is a national standard rubber-sheathed cable selected according to the lamp specifications.

[0049] During the aforementioned maintenance process, the hooked long rod that provides downward pulling force can be used as a component of the garage ceiling light, or it can be provided separately.

[0050] Once the maintenance is complete, a long rod with a hook can be used in conjunction with a mechanical automatic retractor to achieve a slow upward rebound.

[0051] In addition, as a preferred implementation method, in conjunction with Figure 3 As shown, the first automatic retractor adopts a mechanical automatic slow rebound method. Specifically, in terms of structural configuration, both the first automatic retractor 61 and the second automatic retractor 62 include a housing 601, a retractor rod 602, a damping shaft 603, and a spring winding box 604; the retractor rod 602 is rotatably mounted inside the housing 601, and the shaft of the damping shaft 603 and the spring winding box 604 are connected to the retractor rod 602; the damping coefficient of the damping shaft 603 can be adjusted according to the weight of the suspended object (mainly the socket base 3, the outer frame 4, and the lamp 5) and the physical parameters of the spring.

[0052] With the above settings, after maintenance is completed, the hooked long rod can be directly released, and the kinetic energy is released by the spring winding box 604 in the first automatic winder 61 and the second automatic winder 62 to rebound, and the damping shaft 603 is used to achieve automatic slow rebound.

[0053] To avoid the problem of the power cable 8 winding around the reel rod 602 during the winding process, preferably, the second automatic reel 62 further includes a fixing bushing 605. The fixing bushing 605 is used to fix the power cable 8 and only winds up the lower end of the power cable 8. The first automatic reel 61 may or may not include the fixing bushing 605. The damping shaft 603 includes a first damping shaft 6031 and a second damping shaft 6032 located at both ends of the reel rod 602. The outer side of the first damping shaft 6031 is fixedly connected to the spring winding box 604, and the spring winding box 604 is fixedly connected to the inner wall of the housing 601. The fixing bushing 605 is disposed inside the second damping shaft 6032, and the second damping shaft 6032 is connected to the inner wall of the housing 601.

[0054] It should be noted that in the second automatic reel 62, winding can be achieved from only one end, rather than both ends, through the fixed bushing 605, thus avoiding the problem of the upper end of the power cable 8 also winding around the reel rod 602 during the winding process. In a conventional setup, the structures of the first automatic reel 61 and the second automatic reel 62 are basically the same, so the fixed bushing 605 can also be provided on the first automatic reel 61 to fix the lifting rope 7. However, since the lifting rope 7 may not have an upper end structure like the power cable 8, the fixed bushing 605 may not actually be provided on the first automatic reel 61.

[0055] The two ends of the aforementioned spool rod 602 can be movably installed in the housing 601 via the spool rod fixing shaft 606 respectively; the spool rod 602 is connected to the fixing bushing 605, the first damping rotating shaft 6031, the second damping rotating shaft 6032, the spring winding box 604, and the inner shaft of the spool rod fixing shaft 606 by square holes.

[0056] In a preferred embodiment, in the first automatic winder 61 and the second automatic winder 62, the housing 601 has external dimensions of 150*150*150mm and is made of 2mm thick hot-dip galvanized steel plate; the winding rod 602 is a steel cylinder with a length of 1900mm and a cross-sectional diameter of 10mm. It is connected to the inner shaft of the fixed bushing 605, damping shaft 603, spring winding box 604, and winding rod fixing shaft 606 via square holes. The fixed bushing 605 is 25mm long. The damping shaft 603 uses a commercially available product with adjustable damping coefficient; its inner shaft is connected to the winding rod via square holes, and the outer shell is fixed to the housing 601 with screws. The spring winding box 604 uses a commercially available product or is custom-made, and is connected to the housing 601 with screws. The winding rod fixing shaft 606 uses a commercially available product or is custom-made, and is connected to the housing 601 with screws.

[0057] To ensure that the suspension rope 7 acts as the primary load-bearing element, as a preferred implementation method, it is combined with... Figure 1 , 2 As shown in Figure 4, the garage ceiling light also includes a cable ferrule 9, which is securely connected to the outside of the rod 2. The power cable 8 passes through the cable ferrule 9. The suspension rope 7 extends out of the first automatic retractor 61 and then enters the inside of the rod 2, moving up and down along the inside of the rod 2. This structural design allows the suspension rope 7 to act as the main load-bearing element, avoids excessive tension on the power cable 8, and also facilitates the straightening of the power cable 8.

[0058] The cable ferrule 9 is formed by two circular structures integrally molded into a figure-eight shape, made of hot-dip galvanized material, with a width of 20mm. One circular structure is fitted onto the outside of the hanger rod 2 and securely connected to it, while the other circular structure is used to pass through the power cable 8. The cable ferrule 9 is an openable ferrule, with the open end fixedly connected to the hanger rod 2 by screws. There are multiple cable ferrules 9, evenly spaced along the hanger rod 2 from top to bottom. This structural design facilitates the installation of the cable ferrules 9 and also makes it easier to manage the power cable 8.

[0059] Cooperate Figure 5As shown, the lamp 5 includes a lampshade 51 and a bulb 52. The lampshade 51 has a circular lamp opening with a diameter of 400mm, is made of aluminum alloy, and is hemispherical in shape. The outer frame 4 is located on the outside of the lampshade 51 and extends outward along the lampshade 51. The outer frame 4 includes multiple intersecting semicircular frames and a ring frame connected to the bottom of the semicircular frames, forming a hemispherical frame structure. The outer frame 4 is made of steel; the material is 6mm hot-dip galvanized round steel, and the dimensions extend outward by 10mm along the lampshade 51, rigidly connected to the socket base 3.

[0060] In summary, this utility model adopts a purely mechanical design, enabling pull-down and automatic return. During maintenance, a long hooked rod is used to hook the steel outer frame, pulling the lamp down to the working height without the need for climbing. Furthermore, the lifting function requires no electric device, eliminating any electrical safety hazards. It meets the requirements for safe and convenient use and is suitable for widespread application.

[0061] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes or alterations made by those skilled in the art using the above-disclosed technical content shall fall within the protection scope of the present utility model.

Claims

1. A retractable and easily maintainable parking garage ceiling light for subway depots, characterized in that: Includes fixed base, hanging rod, socket base, outer frame, lamps, mechanical automatic retractor, hanging rope and power cable for lamps; The fixed base and mechanical automatic retractor are used for fixed installation on the garage ceiling; the hanging rod is vertically fixedly connected to the bottom of the fixed base; the outer frame covers the light fixture, and the socket base is set on the top of the outer frame and fixedly connected to the outer frame and the light fixture; the socket base is actively socketed to connect the hanging rod. The mechanical automatic retractor includes a first automatic retractor for use with the suspension rope and a second automatic retractor for use with the power cable of the lamp; the upper end of the suspension rope is connected to the first automatic retractor and the lower end is connected to the outer frame; the upper part of the power cable is connected to the second automatic retractor and the lower end is connected to the lamp. When the outer frame is pulled down by an external force, the first automatic retractor and the second automatic retractor activate to store energy, with the main force being the suspension rope; when the external force disappears, the first automatic retractor and the second automatic retractor automatically return to their original positions, and the socket base is inserted to connect the suspension rod.

2. The liftable and easy-to-inspect ceiling light for a subway garage according to claim 1, wherein Both the first automatic winder and the second automatic winder include a housing, a winding rod, a damping shaft, and a spring winding box; The winding rod is rotatably installed inside the housing, and the shaft of the damping shaft and the spring winding box are connected to the winding rod; the damping coefficient of the damping shaft can be adjusted according to the weight of the suspended object and the physical parameters of the spring.

3. The liftable and easily-maintained ceiling light for a subway garage according to claim 2, wherein The second automatic rewinder also includes a fixed bushing for securing the power cable and for winding only the lower end of the power cable. The first automatic rewinder may or may not include the fixed bushing. The damping shaft includes a first damping shaft and a second damping shaft located at both ends of the winding rod. The outer side of the first damping shaft is fixedly connected to the spring winding box, and the spring winding box is fixedly connected to the inner wall of the housing. The fixed bushing is disposed inside the second damping shaft, and the second damping shaft is connected to the inner wall of the housing.

4. The liftable and easily-maintained ceiling light for a subway garage according to claim 3, wherein Both ends of the reel rod are movably mounted inside the housing via reel rod fixing shafts; The winding rod is connected to the fixed bushing, the first damping shaft, the second damping shaft, the spring winding box, and the inner shaft of the winding rod fixed shaft by a square hole.

5. The liftable and easily accessible ceiling light for a subway garage according to any one of claims 1 to 4, characterized in that, It also includes a cable sling, which is connected to the outside of the boom, through which the power cable passes; the hoisting rope extends out of the first automatic retractor and then enters the boom, moving up and down along the inside of the boom.

6. The liftable and easily accessible ceiling light for a subway garage according to claim 5, wherein The cable ferrule is formed by two circular structures in one piece to create a figure-eight shape. One circular structure is fitted onto the outside of the boom and is fastened to the boom, while the other circular structure is used to pass through the power cable. The cable ferrule is an openable ferrule, with the open end fixedly connected by screws; There are multiple cable loops, which are evenly spaced from top to bottom along the suspension rod.

7. The liftable and easily accessible ceiling light for a subway garage according to any one of claims 1 to 4, wherein The socket base is a hollow cylinder, and the hollow part is used to insert and embed the hanging rod to fix the lamp.

8. The liftable and easily accessible ceiling light for a subway garage according to any one of claims 1 to 4, wherein The lamp includes a lampshade and a light bulb, and the lampshade is hemispherical; The outer frame is located on the outside of the lampshade and extends outward along the lampshade; the outer frame includes multiple intersecting semi-circular frames and a ring frame connected to the bottom of the semi-circular frames, and the whole is a hemispherical frame structure.

9. The liftable and easily accessible ceiling light for a subway garage according to any one of claims 1 to 4, wherein The fixed base is a fixed steel plate base, which is fixed to the garage ceiling with bolts; And / or, the boom is a steel pipe boom, and the fixed steel plate base is rigidly welded; And / or, the exoskeleton is a steel exoskeleton; And / or, the hoisting rope is a soft steel wire rope; And / or, the socket base, the steel exoskeleton and the lamp are rigidly fixed by welding.

10. The liftable and easily accessible ceiling light for a subway garage according to any one of claims 1 to 4, wherein Also include a long rod with hooks for providing a downward force.

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