Liftable lightning protection detection device for outdoor electrical equipment

Abstract

The utility model discloses a liftable outdoor electrical equipment lightning protection detection device, which comprises a back plate, two support frames are fixed on the front surface of the back plate, a furling roller is mounted between the support frames and the back plate, a furling shaft rod is fixed in the axial direction of the furling roller in a penetrating manner, and the furling shaft rod is fixed on the back plate in a penetrating manner. One end of the furling shaft rod penetrates through the end of the supporting frame and is rotationally connected with the supporting frame, the other end of the furling shaft rod is rotationally inserted into the back plate, a transmission gear is fixed to the end, penetrating through the supporting frame, of the furling shaft rod, and a furling gear is connected to the lower portion of the transmission gear in a meshed mode; and one end of the furling gear is connected with a furling motor, the furling motor is fixed to the end of the supporting frame, a lightning protection detection equipment box is installed in front of the back plate, and two suspension ropes are fixed to the top end of the lightning protection detection equipment box. The lightning protection detection equipment box is convenient to overhaul and maintain, the operation difficulty is reduced, and the overhaul efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of outdoor electrical equipment lightning protection detection devices, in particular to a liftable outdoor electrical equipment lightning protection detection device. Background Art

[0002] Electrical equipment is a general term for generators, transformers, power lines, circuit breakers and other equipment in the power system. Electrical equipment can be divided into indoor electrical equipment and outdoor electrical equipment according to their installation locations. Some outdoor electrical equipment is installed at higher locations. In rainy weather, there is a risk of lightning strikes on the branch lines at higher locations, so lightning rods are installed on these electrical equipment.

[0003] In order to meet safety protection requirements, electrical equipment installed at heights needs to be regularly tested for lightning protection. Usually, a lightning protection detection device is fixedly installed next to the electrical equipment. The lightning protection detection device consists of three parts: a lightning rod, a down conductor, and a grounding body. Its function is to prevent direct lightning strikes or introduce lightning current into the earth to ensure the safety of people and buildings. Lightning protection detection of electrical equipment is performed from time to time.

[0004] However, most outdoor electrical equipment lightning protection detection devices are installed at a higher position and cannot be raised or lowered, which makes it difficult to maintain the outdoor electrical equipment lightning protection detection devices. Therefore, this does not meet the existing needs. We propose a liftable outdoor electrical equipment lightning protection detection device. Utility Model Content

[0005] The purpose of the present utility model is to provide a liftable outdoor electrical equipment lightning protection detection device to solve the problems raised in the above-mentioned background technology that the outdoor electrical equipment lightning protection detection device is mostly installed at a higher position and cannot be lifted or lowered, resulting in greater difficulty in maintaining the outdoor electrical equipment lightning protection detection device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liftable outdoor electrical equipment lightning protection detection device, comprising a back plate, two support frames are fixed on the front surface of the back plate, a winding drum is installed between the support frame and the back plate, a winding shaft is fixed through the axial direction of the winding drum, one end of the winding shaft passes through the end of the support frame and is rotatably connected to the support frame, the other end of the winding shaft is rotatably inserted into the back plate, the winding shaft passes through the end of the support frame and is fixed, the transmission gear is meshed with the winding gear below the transmission gear, one end of the winding gear is connected to the winding motor, the winding motor is fixed to the end of the support frame, a lightning protection detection equipment box is installed in front of the back plate, two suspension ropes are fixed on the top of the lightning protection detection equipment box, and one end of the suspension rope is wrapped around the outside of the winding drum.

[0007] Preferably, a storage groove is provided on the front surface of the back plate, a support plate is rotatably installed on the inner side of the storage groove, a lightning protection detection equipment box is provided above the support plate, and a plurality of supporting electric push rods are installed between the support plate and the back plate.

[0008] Preferably, both ends of the supporting electric push rod are penetrated by a connecting shaft, both ends of the connecting shaft are provided with a fixed block, the connecting shaft is rotatably connected to the fixed block, and the fixed block is fixed to the inner wall of the storage groove or the bottom surface of the support plate.

[0009] Preferably, two hanging rods are installed above the lightning protection detection equipment box, and one end of the hanging rod is fixed to the front surface of the back plate.

[0010] Preferably, an anti-slip strip is detachably mounted on the outer side of the suspension rod, and the suspension rope layer passes between the anti-slip strip and the suspension rod.

[0011] Preferably, one end of the anti-slip strip is bent downward at ninety degrees, and a U-shaped groove is provided on the inner side of the anti-slip strip.

[0012] Preferably, both end edges of the anti-slip strip are chamfered, and the width of the U-shaped groove is equal to one of the diameters of the suspension rope.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model is started by energizing the reeling motor and driving the reeling shaft and the reeling drum to rotate through the reeling gear and the transmission gear, so that the suspension rope wound around the outside of the two reeling drums becomes loose. At this time, the lightning protection detection equipment box will fall upward under the action of gravity. When the lightning protection detection equipment box falls, it will pull the suspension rope to slide between the anti-slip strip and the suspension rod. As the suspension rope continues to extend, the height of the lightning protection detection equipment box will gradually decrease, making it easier to inspect and maintain the lightning protection detection equipment box, reducing the difficulty of operation and improving the inspection efficiency.

[0015] 2. The utility model installs an anti-slip strip on the outside of the suspension rod, and both ends of the anti-slip strip are rounded to ensure that the suspension rope will not fall off the suspension rod during the process of being wound or loosened, and ensure that the anti-slip strip will not damage or break the suspension rope;

[0016] 3. The utility model utilizes the supporting electric push rod to push the supporting plate to rotate upward, supporting the lightning protection detection equipment box from the bottom of the lightning protection detection equipment box, ensuring the stability of the lightning protection detection equipment box after installation and preventing it from falling suddenly downward. When the supporting electric push rod pulls the supporting plate to rotate downward, the supporting plate shrinks into the storage slot, which does not affect the descent of the lightning protection detection equipment box and subsequent maintenance and inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a structural diagram of the support plate of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the winding drum of the utility model;

[0020] Figure 4 for Figure 3 A magnified view of the structure at point A.

[0021] In the figure: 1. Back panel; 2. Storage slot; 3. Support plate; 4. Support electric push rod; 5. Connecting shaft; 6. Fixed block; 7. Lightning protection detection equipment box; 8. Hanging rod; 9. Suspension rope; 10. Winding roller; 11. Support frame; 12. Winding motor; 13. Winding gear; 14. Transmission gear; 15. Winding shaft; 16. Anti-slip strip. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] like Figure 1 As shown, a liftable outdoor electrical equipment lightning protection detection device includes a back plate 1, two support frames 11 are fixed to the front surface of the back plate 1, a winding drum 10 is installed between the support frame 11 and the back plate 1, and a winding shaft 15 is fixedly passed through the axial direction of the winding drum 10, one end of the winding shaft 15 passes through the end of the support frame 11 and is rotatably connected to the support frame 11, and the other end of the winding shaft 15 is rotatably inserted into the back plate 1, and the winding shaft 15 passes through the end of the support frame 11 and is fixed with a transmission gear 14, and the lower part of the transmission gear 14 is meshed with a winding gear. Wheel 13, one end of the winding gear 13 is connected to the winding motor 12, the winding motor 12 is fixed to the end of the support frame 11, and a lightning protection detection equipment box 7 is installed in front of the back plate 1. Two suspension ropes 9 are fixed to the top of the lightning protection detection equipment box 7. One end of the suspension rope 9 is wrapped around the outside of the winding drum 10. The winding motor 12 drives the winding gear 13 and the transmission gear 14 to realize the winding shaft 15 to drive the winding drum 10 to rotate, so that the winding drum 10 will loosen the suspension rope 9 when winding it, causing the lightning protection detection equipment box 7 to rise or fall.

[0024] like Figure 3 and Figure 4As shown, two hanging rods 8 are installed above the lightning protection detection equipment box 7. One end of the hanging rod 8 is fixed to the front surface of the back plate 1. The outer side of the hanging rod 8 is detachably installed with an anti-slip strip 16. The suspension rope 9 passes between the anti-slip strip 16 and the hanging rod 8. The anti-slip strip 16 is used to limit the position of the suspension rope 9 passing through the hanging rod 8 to prevent the suspension rope 9 from falling off the hanging rod 8.

[0025] One end of the anti-slip strip 16 is bent downward at ninety degrees, and a U-shaped groove is provided on the inner side of the anti-slip strip 16. The edges at both ends of the anti-slip strip 16 are chamfered. The width of the U-shaped groove is equal to one of the diameters of the suspension rope 9, thereby reducing the friction between the anti-slip strip 16 and the suspension rope 9, and avoiding wear or breakage of the suspension rope 9 due to the right angles at the end edges of the anti-slip strip 16.

[0026] like Figure 2 As shown, a storage groove 2 is provided on the front surface of the back panel 1, and a support plate 3 is rotatably installed on the inner side of the storage groove 2. A lightning protection detection equipment box 7 is provided above the support plate 3, and multiple supporting electric push rods 4 are installed between the support plate 3 and the back panel 1. Both ends of the supporting electric push rods 4 are penetrated and inserted with connecting shafts 5, and both ends of the connecting shafts 5 are provided with fixed blocks 6. The connecting shafts 5 are rotatably connected to the fixed blocks 6, and the fixed blocks 6 are fixed to the inner wall of the storage groove 2 or the bottom surface of the support plate 3. The supporting electric push rods 4 are used to push the support plate 3 to rotate, and the lightning protection detection equipment box 7 is supported from the bottom of the lightning protection detection equipment box 7 to ensure that the lightning protection detection equipment box 7 is stable after installation and will not fall down suddenly.

[0027] Working principle: The supporting electric push rod 4 pulls the supporting plate 3 to rotate downward, so that the supporting plate 3 shrinks into the inner side of the storage slot 2, and then the two reeling motors 12 are powered on and start, and drive the reeling shaft 15 and the reeling drum 10 to rotate through the reeling gear 13 and the transmission gear 14, so that the suspension rope 9 wrapped around the outside of the two reeling drums 10 is loosened. At this time, the lightning protection detection equipment box 7 will fall upward under the action of gravity. When the lightning protection detection equipment box 7 falls, it will pull the suspension rope 9 to slide between the anti-slip strip 16 and the suspension rod 8. As the suspension rope 9 is not As the lightning protection detection equipment box 7 is stretched, the height of the lightning protection detection equipment box 7 will gradually decrease. After the lightning protection detection equipment box 7 drops to the lowest position, the staff will open the lightning protection detection equipment box 7 and check the internal electronic components or circuits, and replace the damaged electronic components or circuits. After the maintenance and inspection is completed, it is only necessary to reversely start the reeling motor 12, raise the lightning protection detection equipment box 7 to its original position through the suspension rope 9, and reset the support plate 3, which is convenient for the inspection and maintenance of the lightning protection detection equipment box 7, reduces the difficulty of operation, and improves the inspection efficiency.

[0028] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A liftable outdoor electrical equipment lightning protection detection device, comprising a back plate (1), characterized in that: Two support frames (11) are fixed on the front surface of the backboard (1), and a reeling roller (10) is installed between the support frame (11) and the backboard (1). A reeling shaft (15) is fixedly passed through the axial direction of the reeling roller (10), one end of the reeling shaft (15) passes through the end of the support frame (11) and is rotatably connected to the support frame (11), and the other end of the reeling shaft (15) is rotatably inserted into the backboard (1), and the reeling shaft (15) passes through the end of the support frame (11). A transmission gear (14) is fixed at the end, and a winding gear (13) is meshedly connected below the transmission gear (14), and one end of the winding gear (13) is connected to a winding motor (12), and the winding motor (12) is fixed to the end of the support frame (11). A lightning protection detection equipment box (7) is installed in front of the back plate (1), and two suspension ropes (9) are fixed at the top of the lightning protection detection equipment box (7), and one end of the suspension rope (9) is wound around the outside of the winding drum (10).

2. The liftable outdoor electrical equipment lightning protection detection device according to claim 1, characterized in that: The front surface of the back plate (1) is provided with a receiving groove (2), the inner side of the receiving groove (2) is rotatably mounted with a support plate (3), a lightning protection detection equipment box (7) is provided above the support plate (3), and a plurality of supporting electric push rods (4) are installed between the support plate (3) and the back plate (1).

3. The liftable outdoor electrical equipment lightning protection detection device according to claim 2, characterized in that: Both ends of the supporting electric push rod (4) are penetrated and plugged with a connecting shaft (5), and both ends of the connecting shaft (5) are provided with a fixed block (6), the connecting shaft (5) is rotatably connected to the fixed block (6), and the fixed block (6) is fixed to the inner wall of the receiving groove (2) or the bottom surface of the support plate (3).

4. The liftable outdoor electrical equipment lightning protection detection device according to claim 1, characterized in that: Two hanging rods (8) are installed above the lightning protection detection equipment box (7), and one end of the hanging rod (8) is fixed to the front surface of the back plate (1).

5. The liftable outdoor electrical equipment lightning protection detection device according to claim 4, characterized in that: An anti-slip strip (16) is detachably mounted on the outer side of the suspension rod (8), and the suspension rope (9) passes between the anti-slip strip (16) and the suspension rod (8).

6. The liftable outdoor electrical equipment lightning protection detection device according to claim 5, characterized in that: One end of the anti-slip strip (16) is bent downward at ninety degrees, and a U-shaped groove is provided on the inner side of the anti-slip strip (16).

7. The liftable outdoor electrical equipment lightning protection detection device according to claim 6, characterized in that: The edges at both ends of the anti-slip strip (16) are chamfered, and the width of the U-shaped groove is equal to one of the diameters of the suspension rope (9).

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