Illuminating lamp holder convenient for climbing maintenance

Abstract

The utility model relates to an illuminating lamp holder convenient for climbing maintenance, which comprises a bottom box, a lifting box and a top box, a support frame is arranged at the bottom of the bottom box, a motor is arranged at the top of the support frame, the motor is connected with a worm, a rotating shaft is arranged on the support frame in a penetrating manner, a worm gear meshed with the worm is arranged on the rotating shaft, two ends of the rotating shaft are provided with rolling wheels, and hollow columns are arranged on two sides of the top of the bottom box in a penetrating manner. Wheel grooves are formed in the positions, close to the tops, of the hollow columns, wire groove wheels are arranged in the wheel grooves, sliding sleeves are arranged on the two sides of the lifting box, the hollow columns are sleeved with the sliding sleeves, mooring ropes are connected to the two sides of the top of the lifting box, the two mooring ropes are wound around the two wire groove wheels correspondingly to be connected to the rolling wheels, and the bottom of the top box is connected to the tops of the two hollow columns correspondingly. A telescopic mechanism is arranged on the top box and connected with lighting equipment. Maintenance personnel can be driven to ascend to a high position to maintain the lighting equipment, the lighting equipment can be moved back to be close to the maintenance personnel during maintenance so that maintenance operation can be facilitated, and the lighting equipment can be unfolded after maintenance is completed so that the lighting effect can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lamp stands, and particularly relates to a lighting lamp stand which is convenient for climbing and repairing. Background Art

[0002] The main function of lighting racks is to support and install lighting equipment and ensure that lighting equipment can be accurately installed at the right height and position to achieve uniform and efficient lighting effects. The rack not only plays the role of physical support, but is also responsible for installing and fixing lighting equipment. Its design takes into account beauty, durability and safety.

[0003] In some places that require extensive lighting coverage, such as large outdoor squares and sports fields, lighting fixtures often need to be installed on light poles, and the height of these light poles may vary from several meters to more than ten meters. However, due to the long-term exposure to wind and rain, these lamps, such as bulbs, lampshades or lamp holders, often become damaged and need to be replaced and repaired. However, due to the slender, smooth and high design of the existing light poles, it is impossible to climb up the light poles to replace and repair the lighting equipment. Utility Model Content

[0004] The utility model provides a lighting lamp stand which is convenient for high-altitude maintenance, which can drive maintenance personnel to ascend to a high place to repair lighting equipment, and can also move the lighting equipment back to the maintenance personnel to facilitate the maintenance operation during maintenance, and can unfold the lighting equipment after the maintenance is completed to improve the lighting effect.

[0005] The technical solution adopted by this utility model:

[0006] The top of the lifting box is connected to the top of the two hollow columns, and the bottom of the lifting box is connected to the top of the two hollow columns by the spring, and the two ends of the lifting box are connected to the top of the two hollow columns by the spring.

[0007] Furthermore, the telescopic mechanism includes a shaft rod rotatably inserted into the bottom wall of the top box, a bidirectional screw rod rotatably inserted into the top box, and two internal threaded sleeves respectively slidably inserted into the opposite side walls of the top box, a handwheel is provided on the lower end of the shaft rod, the bidirectional screw rod and the upper end of the shaft rod are both provided with meshing bevel gears, the two sides of the bidirectional screw rod are respectively threadedly connected to the two internal threaded sleeves, and the lighting device is provided on the end of the internal threaded sleeve.

[0008] Furthermore, both sides of the bidirectional screw are connected with partitions, the partitions are arranged in the top box, and the bevel gear is located between the two partitions.

[0009] Furthermore, the lighting device includes an adapter seat arranged on the end of the internal threaded sleeve, the adapter seat is connected to a lamp holder by bolts, the lamp holder is installed with a lighting lamp, and the lighting lamp is connected to the inside of the hollow column by a soft wire.

[0010] Furthermore, sliding sleeves are provided on the top and bottom of both sides of the lifting box.

[0011] Furthermore, the sliding sleeve and the hollow column are connected via a linear bearing.

[0012] Furthermore, fixing seats are provided on both sides of the bottom of the bottom box, and the fixing seats are installed on the concrete floor through expansion bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The motor uses a worm gear transmission to drive the reel to reel in the cable. The cable rotates backward and upward through the wire groove to pull the lifting box, which can lift the maintenance personnel to a high place to repair and replace the lighting equipment.

[0015] 2. The telescopic mechanism can be used to move the lighting equipment back to the maintenance personnel to facilitate maintenance operations. After the maintenance is completed, the lighting equipment can be extended away from the top box to improve the lighting effect.

[0016] 3. Use two reels to synchronously reel in two cables, which synchronously pull the lift box from both sides of the top of the lift box, so that the force is evenly distributed during the lifting process of the lift box. When one cable is damaged or broken, the other cable can provide support, which greatly improves the safety of high-altitude maintenance.

[0017] 4. By utilizing the coordinated transmission of the worm wheel, worm, rotating shaft and reel, when the motor slowly releases the cable to lower the lifting box, the self-locking function of the worm wheel and worm can be utilized to prevent the lifting box from descending too quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 for Figure 1 A in the enlarged view;

[0020] Figure 3 for Figure 1 Schematic diagram of the local structure in the B direction;

[0021] In the figure: 1. bottom box; 2. hollow column; 3. lifting box; 4. wire groove wheel; 5. wheel groove; 6. soft wire; 7. lamp holder; 8. adapter seat; 9. internal threaded sleeve; 10. bidirectional screw; 11. handwheel; 12. top box; 13. bevel gear; 14. partition; 15. motor; 16. reel; 17. worm; 18. concrete floor; 19. fixing seat; 20. expansion bolt; 21. cable; 22. shaft; 23. rotating shaft; 24. support frame; 25. worm gear; 26. linear bearing; 27. sliding sleeve. DETAILED DESCRIPTION

[0022] In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0023] See also Figures 1 to 3 The utility model provides a lighting stand for easy maintenance at heights, including a bottom box 1, a lifting box 3 and a top box 12. A U-shaped support frame 24 is fixedly arranged at the bottom of the bottom box 1. A motor 15 is fixedly arranged at the middle of the top of the support frame 24. The motor 15 is connected to a worm 17. The lower end of the worm 17 is transferred to the bottom of the bottom box 1. A rotating shaft 23 is rotatably penetrated on the support frame 24. Both sides of the rotating shaft 23 are rotatably penetrated on the side walls of the two support frames 24. A worm wheel 25 is fixed on the rotating shaft 23. The worm wheel 25 is meshed with the worm 17. Both ends of the rotating shaft 23 are fixed with reels 16. Both sides of the top of the bottom box 1 are fixed with a worm wheel 25. A hollow column 2 is fixedly provided, a wheel groove 5 is provided on the side wall of the hollow column 2 near the top, a wire groove wheel 4 is rotatably provided in the wheel groove 5, sliding sleeves 27 are provided on both sides of the lifting box 3, and the sliding sleeves 27 on both sides are respectively slidably sleeved on the two hollow columns 2, and cables 21 are connected to both sides of the top of the lifting box 3, and the two cables 21 are respectively bypassed by the two wire groove wheels 4 and connected to the reel 16 along the inner cavity of the two hollow columns 2, and the bottom of the top box 12 is respectively connected to the top of the two hollow columns 2, and a telescopic mechanism is provided on the top box 12, and the telescopic mechanism is connected to the lighting equipment, and the telescopic mechanism can drive the lighting equipment to telescope to the side of the top box 12;

[0024] When it is necessary to perform maintenance at a height, the maintenance personnel carry tools and enter the lifting box 3, and use the motor 15 to drive the worm 17 to rotate in the support frame 24. The worm 17 drives the rotating shaft 23 to rotate on the side wall of the support frame 24 through the worm gear 25, and the rotating shaft 23 drives the reel 16 to rotate and reel in the cable 21. The cable 21 uses the wire groove wheel 4 to reverse and pull the lifting box 3 upward. The lifting box 3 drives the sliding sleeves 27 on both sides to slide on the two hollow columns 2 respectively, which can prevent the lifting box 3 from shaking during the lifting process, which is conducive to improving the safety of the climbing operation. When the lifting box 3 rises to a suitable position, the telescopic mechanism can be used to move the lighting equipment back to the maintenance personnel to facilitate the maintenance operation. After the maintenance is completed, the lighting equipment can be extended away from the top box 12 to improve the lighting effect.

[0025] When it is necessary to descend, based on the self-locking function of the worm wheel 25 and the worm 17, when the worm 17 does not rotate or rotates slowly, the worm wheel 25 cannot drive the worm 17 to rotate or rotate quickly, so that when the motor 15 is used to reverse and slowly drive the worm 17 to rotate, the worm 17 slowly drives the reel 16 to rotate in the opposite direction to release the cable 21, thereby preventing the lifting box 3 from descending too quickly;

[0026] During the lifting process, the two cables 21 are synchronously reeled in by the two reels 16, and the two cables 21 synchronously pull the lifting box 3 from both sides of the top of the lifting box 3, so that the lifting box 3 is evenly stressed during the lifting process, and when one cable 21 is damaged or broken, the other cable 21 can provide support, which greatly improves the safety of high-altitude maintenance.

[0027] Preferably, the telescopic mechanism includes a shaft 22 rotatably penetrated on the middle of the bottom wall of the top box 12, a bidirectional screw 10 rotatably disposed in the top box 12, and two internal threaded sleeves 9 respectively slidably penetrated on the opposite side walls of the top box 12, the outer contour of the cross section of the internal threaded sleeve 9 is a non-circular structure, so that the internal threaded sleeve 9 can only slide on the side wall of the top box 12, and cannot rotate with the bidirectional screw 10, a hand wheel 11 is fixedly disposed on the lower end of the shaft 22, and meshing bevel gears 13 are fixedly disposed on the upper ends of the bidirectional screw 10 and the shaft 22, the two sides of the bidirectional screw 10 are respectively threadedly connected to the two internal threaded sleeves 9, and the lighting equipment is disposed on the end of the internal threaded sleeve 9;

[0028] The hand wheel 11 is used to drive the shaft 22 to rotate on the bottom wall of the top box 12, and the shaft 22 drives the bidirectional screw 10 to rotate in the top box 12 through the engagement of two bevel gears 13. The bidirectional screw 10 synchronously drives the two internal threaded sleeves 9 to move relatively closer or farther, and the internal threaded sleeves 9 synchronously drive the two lighting devices closer to or away from the lifting box 3.

[0029] Preferably, partitions 14 are connected on both sides of the bidirectional screw 10, and the partitions 14 are fixed in the top box 12. The bevel gear 13 is located between the two partitions 14. The bidirectional screw 10 is rotatably arranged in the top box 12 through the two partitions 14, so that the bidirectional screw 10 can rotate on the two partitions 14.

[0030] Preferably, the lighting device includes an adapter seat 8 fixed on the end of the internal threaded sleeve 9, a lamp holder 7 is connected to the adapter seat 8 by bolts, a lighting lamp is installed on the lamp holder 7, the lighting lamp is connected to the inside of the hollow column 2 by a soft wire 6, the soft wire 6 is connected to a power line arranged in the hollow column 2, and is used to supply power to the lighting lamp, so that when the lighting lamp and the lamp holder 7 need to be replaced, they can be replaced by removing the bolts, and the soft wire 6 can be used to generate pulling when the telescopic mechanism drives the lighting lamp to move away from or closer to the top box 12.

[0031] Preferably, sliding sleeves 27 are fixedly provided on the top and bottom of both sides of the lifting box 3 .

[0032] Preferably, the sliding sleeve 27 and the hollow column 2 are connected via a linear bearing 26 , which helps to reduce the sliding resistance between the sliding sleeve 27 and the hollow column 2 .

[0033] Preferably, fixing seats 19 are fixedly provided on both sides of the bottom of the bottom box 1, and the fixing seats 19 are installed on the concrete floor 18 through expansion bolts 20, which is beneficial to improving the strength of the fixed structure.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lighting stand that is convenient for high-altitude maintenance, characterized in that: The present invention comprises a bottom box, a lifting box and a top box, the bottom of the bottom box is provided with a support frame, the top of the support frame is provided with a motor, the motor is connected to a worm gear, the support frame is rotatably provided with a rotating shaft, the rotating shaft is provided with a worm wheel engaged with the worm gear, both ends of the rotating shaft are provided with a reel, hollow columns are penetrated on both sides of the top of the bottom box, wheel grooves are provided on the side walls of the hollow columns near the top, a wire groove wheel is rotatably provided in the wheel groove, sliding sleeves are provided on both sides of the lifting box, the sliding sleeves on both sides are slidably mounted on the two hollow columns, cables are connected to both sides of the top of the lifting box, the two cables respectively bypass the two wire groove wheels and are connected to the reel along the inner cavities of the two hollow columns, the bottom of the top box is respectively connected to the tops of the two hollow columns, a telescopic mechanism is provided on the top box, the telescopic mechanism is connected with a lighting device, and the telescopic mechanism can drive the lighting device to telescope to the side of the top box.

2. The lighting stand for easy maintenance at a height according to claim 1, characterized in that: The telescopic mechanism includes a shaft rod rotatably inserted into the bottom wall of the top box, a bidirectional screw rod rotatably installed in the top box, and two internal threaded sleeves respectively slidably inserted into the opposite side walls of the top box. A hand wheel is provided on the lower end of the shaft rod, and the bidirectional screw rod and the upper end of the shaft rod are both provided with meshing bevel gears. Both sides of the bidirectional screw rod are respectively threadedly connected to the two internal threaded sleeves, and the lighting device is arranged on the end of the internal threaded sleeve.

3. The lighting stand for easy maintenance at a height according to claim 2, characterized in that: Both sides of the bidirectional screw are connected with partitions, the partitions are arranged in the top box, and the bevel gear is located between the two partitions.

4. The lighting stand for easy maintenance at a height according to claim 2, characterized in that: The lighting device comprises an adapter seat arranged on the end of the internal threaded sleeve, a lamp holder is connected to the adapter seat via bolts, a lighting lamp is installed on the lamp holder, and the lighting lamp is connected to the inside of the hollow column via a soft wire.

5. The lighting stand for easy maintenance at a height according to claim 1, characterized in that: The top and bottom of both sides of the lifting box are provided with sliding sleeves.

6. The lighting fixture stand for easy maintenance at a height according to claim 1, characterized in that: The sliding sleeve and the hollow column are connected via a linear bearing.

7. The lighting fixture stand for easy maintenance at a height according to claim 1, characterized in that: Both sides of the bottom of the bottom box are provided with fixing seats, and the fixing seats are installed on the concrete floor through expansion bolts.

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