Electrical grounding operation protection mechanism

Abstract

The utility model belongs to the technical field of grounding operation, particularly relates to an electrical grounding operation protection mechanism, and aims to solve the problems that a screw needs to be manually rotated in an existing height adjusting mode, only one screw is arranged, stress deviation occurs when the heights of a first fixing seat and a second fixing seat are adjusted up and down, and operation is inconvenient. In order to solve the problems that in the prior art, height adjustment of a first fixing base and a second fixing base cannot be stably achieved, according to the scheme, the device comprises a bottom shell, two fixing plates are arranged at the top of the bottom shell, springs are arranged between the bottoms of the two fixing plates and the bottom shell, and the first fixing base and the second fixing base are arranged at the tops of the two fixing plates correspondingly; connecting plates are fixedly installed on the outer sides of the first fixing base and the second fixing base, and a grounding operation shaft is installed on the top of the bottom shell. The device is simple in structure, the first fixing base and the second fixing base can be synchronously controlled to move up and down, stress deviation is avoided, height adjustment is convenient, and the first fixing base and the second fixing base are convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of grounding operation, in particular to an electrical grounding operation protection mechanism. Background Art

[0002] The way in which any part of an electrical device or facility is artificially or naturally connected to the ground with zero potential is called electrical grounding. During the electrical grounding operation, in order to reduce the safety hazards caused by the user's misoperation, a protection mechanism needs to be set. The patent document with the publication (announcement) number: CN219696322U discloses an electrical grounding operation protection mechanism, including a load mechanism, a grounding operation shaft is provided at the top of the load mechanism, a fixed plate 1 is symmetrically fixed at the top of the load mechanism, and the fixed plate 1 is symmetrically distributed on both sides of the grounding operation shaft. A plurality of springs 1 are fixedly arranged at the top of the fixed plate 1 in an array, and the tops of the adjacent springs 1 are fixedly connected to fixed plates 2, one of the fixed plates 2 is fixedly provided with a fixed seat 1 at the top, and the other fixed plate 2 is fixedly provided with a fixed seat 2 at the top, and the fixed seat 1 and the fixed seat 2 are both slidably embedded with a connecting rod 1 on one side close to the grounding operation shaft, and the end of the connecting rod 1 close to the grounding operation shaft is fixedly connected to a limiting block. By rotating the adjusting screw, the adjusting screw can drive the corresponding fixed plate 2 to move up and down through the nut seat. At this time, the fixed plate 2 will drive the fixed seat 1 to move up and down, so that the fixed seat 1 can drive the fixed seat 2 and the other fixed plate 2 to move up and down through the connecting plate. At this time, the sliding rod can support the fixed plate 2, and the limit block can be adjusted to a suitable height by adjusting the height of the fixed seat 1 and the fixed seat 2.

[0003] The existing height adjustment method requires manual rotation of the screw rod, and only one screw rod is provided. When adjusting the height of the fixing seat 1 and the fixing seat 2 up and down, force offset will occur, and the height adjustment of the fixing seat 1 and the fixing seat 2 cannot be stably achieved. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing height adjustment method that a screw rod needs to be manually rotated and only one screw rod is provided, and force offset will occur when the height of the fixing seat 1 and the fixing seat 2 are adjusted up and down, and the height adjustment of the fixing seat 1 and the fixing seat 2 cannot be stably achieved, and an electrical grounding operation protection mechanism is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An electrical grounding operation protection mechanism comprises a bottom shell, two fixing plates are arranged on the top of the bottom shell, springs are arranged between the bottoms of the two fixing plates and the bottom shell, fixing seats 1 and 2 are arranged on the tops of the two fixing plates respectively, connecting plates are fixedly installed on the outer sides of the fixing seats 1 and 2, a grounding operation shaft is installed on the top of the bottom shell, a power mechanism is arranged inside the bottom shell, two threaded rods are connected to the power mechanism, the two threaded rods are vertically rotatably installed inside the bottom shell, and the two fixing plates are threadedly connected to the outer sides of the two threaded rods.

[0007] Preferably, the power mechanism includes a servo motor, which is mounted on the inner wall of the bottom shell. A worm is mounted on the output shaft of the servo motor. A transverse shaft is rotatably mounted in the bottom shell. A worm wheel is sleeved on the outer side of the transverse shaft, and the worm and the worm wheel are meshed. The servo motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the transverse shaft to rotate.

[0008] Preferably, first bevel gears are fixedly installed at both ends of the transverse shaft, second bevel gears are sleeved on the outer sides of the two threaded rods, and the two first bevel gears are meshed with the two second bevel gears; the transverse shaft drives the two threaded rods to rotate through the two first bevel gears and the two second bevel gears, and the two threaded rods respectively drive the fixed seat one and the fixed seat two to move up and down, and the fixed seat one and the fixed seat two can be synchronously controlled to move up and down to avoid force offset.

[0009] Preferably, two bearings are installed on the top inner wall of the bottom shell, and the transverse shaft is fixedly installed with the inner rings of the two bearings.

[0010] Preferably, four sliding bars are installed on the top of the bottom shell, and the fixed plate is slidably installed on the outside of the corresponding two sliding bars; the provided sliding bars can ensure the vertical movement of the fixed plate.

[0011] Preferably, two fixed blocks are fixedly installed on the bottom of the fixed seat one and the fixed seat two, two sliding grooves are provided on the top of the two fixed plates, the fixed blocks cooperate with the corresponding sliding grooves, compression spring grooves are provided on the inner walls of the four sliding grooves, locking rods are slidably installed in the four compression spring grooves, compression springs are fixedly installed between the locking rods and the corresponding compression spring grooves, locking grooves are provided on the four fixed blocks, and the locking rods cooperate with the corresponding locking grooves; it is convenient to disassemble and assemble the fixed seat one and the fixed seat two.

[0012] Preferably, round rods are fixedly mounted on the tops of the four locking rods, and connecting rods are provided above the two fixing plates, and the connecting rods are fixedly mounted on the tops of the corresponding two round rods.

[0013] In the utility model, the beneficial effects of the electrical grounding operation protection mechanism are:

[0014] The servo motor of this solution drives the worm wheel to rotate through the worm, the worm wheel drives the transverse shaft to rotate, the transverse shaft drives the two threaded rods to rotate through the two first bevel gears and the two second bevel gears, and the two threaded rods drive the fixed seat 1 and the fixed seat 2 to move up and down respectively, which can synchronously control the fixed seat 1 and the fixed seat 2 to move up and down, avoid force offset, and facilitate height adjustment;

[0015] In this solution, the fixing seat 1 and the fixing seat 2 are fixed by corresponding fixing blocks and locking rods. When disassembling, the connecting rod is pushed to drive the two round rods to move, and the two round rods drive the two locking rods to compress the two compression springs and drive the two locking rods to move. The two locking rods leave the two locking grooves, release the fixation of the two fixing blocks, and facilitate the disassembly of the fixing seat 1 and the fixing seat 2;

[0016] The utility model has a simple structure, can synchronously control the fixing seat one and the fixing seat two to move up and down, avoid force deviation, and is convenient for height adjustment and disassembly and assembly of the fixing seat one and the fixing seat two. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an electrical grounding operation protection mechanism proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of part A of an electrical grounding operation protection mechanism proposed by the utility model;

[0019] Figure 3 This is a schematic structural diagram of part B of an electrical grounding operation protection mechanism proposed by the utility model;

[0020] Figure 4 The utility model discloses a three-dimensional structural diagram of a locking rod, a round rod and a connecting rod of an electrical grounding operation protection mechanism.

[0021] In the figure: 1. bottom shell; 2. grounding operating shaft; 3. sliding rod; 4. spring; 5. fixing plate; 6. fixing seat 1; 7. fixing seat 2; 8. threaded rod; 9. servo motor; 10. connecting plate; 11. worm; 12. worm wheel; 13. transverse shaft; 14. bearing; 15. first bevel gear; 16. second bevel gear; 18. fixing block; 19. sliding groove; 20. locking groove; 21. locking rod; 22. round rod; 23. connecting rod; 24. compression spring groove; 25. compression spring; 26. positioning rod; 27. positioning groove. DETAILED DESCRIPTION

[0022] The technical solution of this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, rather than all of the embodiments.

[0023] Embodiment 1

[0024] Reference Figure 1-Figure 4 An electrical grounding operation protection mechanism includes a bottom shell 1, two fixed plates 5 are arranged on the top of the bottom shell 1, springs 4 are arranged between the bottoms of the two fixed plates 5 and the bottom shell 1, fixed seats 1 6 and 7 are arranged on the tops of the two fixed plates 5 respectively, connecting plates 10 are fixedly installed on the outer sides of the fixed seats 1 6 and 7, a grounding operation shaft 2 is installed on the top of the bottom shell 1, a power mechanism is arranged inside the bottom shell 1, two threaded rods 8 are connected to the power mechanism, the two threaded rods 8 are vertically rotatably installed inside the bottom shell 1, and the two fixed plates 5 are threadedly connected to the outer sides of the two threaded rods 8.

[0025] In this embodiment, the power mechanism includes a servo motor 9, which is mounted on the inner wall of the bottom shell 1. A worm 11 is mounted on the output shaft of the servo motor 9. A transverse shaft 13 is rotatably mounted in the bottom shell 1. A worm wheel 12 is sleeved on the outer side of the transverse shaft 13, and the worm 11 is meshed with the worm wheel 12. The servo motor 9 drives the worm 11 to rotate, the worm 11 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the transverse shaft 13 to rotate.

[0026] In this embodiment, first bevel gears 15 are fixedly installed at both ends of the transverse shaft 13, and second bevel gears 16 are sleeved on the outer sides of the two threaded rods 8, and the two first bevel gears 15 are meshed with the two second bevel gears 16; the transverse shaft 13 drives the two threaded rods 8 to rotate through the two first bevel gears 15 and the two second bevel gears 16, and the two threaded rods 8 respectively drive the fixed seat 1 6 and the fixed seat 2 7 to move up and down, and the fixed seat 1 6 and the fixed seat 2 7 can be synchronously controlled to move up and down to avoid force offset. Two bearings 14 are installed on the top inner wall of the bottom shell 1, and the transverse shaft 13 is fixedly installed with the inner rings of the two bearings 14.

[0027] In this embodiment, four slide bars 3 are installed on the top of the bottom shell 1, and the fixed plate 5 is slidably installed on the outer sides of two corresponding slide bars 3; the provided slide bars 3 can ensure the vertical movement of the fixed plate 5.

[0028] In this embodiment, two fixing blocks 18 are fixedly installed at the bottom of the fixing seat 1 6 and the fixing seat 2 7, and two sliding grooves 19 are provided on the top of the two fixing plates 5. The fixing blocks 18 cooperate with the corresponding sliding grooves 19, and compression spring grooves 24 are provided on the inner walls of the four sliding grooves 19. Locking rods 21 are slidably installed in the four compression spring grooves 24, and compression springs 25 are fixedly installed between the locking rods 21 and the corresponding compression spring grooves 24. Locking grooves 20 are provided on the four fixing blocks 18, and the locking rods 21 cooperate with the corresponding locking grooves 20; it is convenient to disassemble and assemble the fixing seat 1 6 and the fixing seat 2 7, and round rods 22 are fixedly installed on the tops of the four locking rods 21. Connecting rods 23 are provided on the tops of the two fixing plates 5. The connecting rods 23 are fixedly installed on the tops of the corresponding two round rods 22, and the connecting rods 23 facilitate the simultaneous control of the two round rods 22 and the two locking rods 21.

[0029] Working principle: when in use, the power supply and PLC controller can be turned on to control the electrical appliances. The prior art will not be described in detail here. The servo motor 9 drives the worm 11 to rotate, the worm 11 drives the worm wheel 12 to rotate, the worm wheel 12 drives the transverse shaft 13 to rotate, the transverse shaft 13 drives the two threaded rods 8 to rotate through the two first bevel gears 15 and the two second bevel gears 16, and the two threaded rods 8 respectively drive the fixed seat 1 6 and the fixed seat 2 7 to move up and down, which can synchronously control the fixed seat 1 6 and the fixed seat 2 7 to move up and down to avoid force offset, and the height adjustment is convenient. 6 and the fixing seat 2 7 are fixed to the locking rod 21 through the corresponding fixing blocks 18. When disassembling, push the connecting rod 23 to drive the two round rods 22 to move, and the two round rods 22 drive the two locking rods 21 to compress the two compression springs 25 and drive the two locking rods 21 to move. The two locking rods 21 leave the two locking grooves 20, and the fixation of the two fixing blocks 18 is released, which makes it convenient to disassemble the fixing seat 1 6 and the fixing seat 2 7. The fixing seat 1 6 and the fixing seat 2 7 can be installed by reverse operation. The compression spring 25 provides elastic force for the locking rod 21, so that the locking rod 21 can be inserted into the locking groove 20.

[0030] Embodiment 2

[0031] The difference between Example 2 and Example 1 is that two positioning rods 26 are fixedly installed at the bottom of the fixing seat 1 6 and the fixing seat 2 7, and two positioning grooves 27 are provided on the top of the two fixing plates 5. The positioning rods 26 cooperate with the corresponding positioning grooves 27 to facilitate the installation and positioning of the fixing seat 1 6 and the fixing seat 2 7. This application includes all the structural shapes, sizes and materials of Example 1, and they can be selected and adjusted to meet the specific usage conditions. The accompanying drawings are all schematic structural diagrams, and the specific actual sizes can be appropriately adjusted.

[0032] The above is only a preferred specific implementation of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, which should be covered by the protection scope of this embodiment.

Claims

1. An electrical grounding operation protection mechanism, comprising a bottom shell (1), two fixing plates (5) are arranged on the top of the bottom shell (1), springs (4) are arranged between the bottoms of the two fixing plates (5) and the bottom shell (1), a fixing seat 1 (6) and a fixing seat 2 (7) are arranged on the tops of the two fixing plates (5), a connecting plate (10) is fixedly installed on the outer sides of the fixing seat 1 (6) and the fixing seat 2 (7), and a grounding operation shaft (2) is installed on the top of the bottom shell (1), characterized in that: A power mechanism is arranged inside the bottom shell (1), and two threaded rods (8) are connected to the power mechanism. The two threaded rods (8) are both vertically rotatably mounted inside the bottom shell (1), and two fixing plates (5) are threadedly connected to the outsides of the two threaded rods (8).

2. An electrical grounding operation protection mechanism according to claim 1, characterized in that: The power mechanism comprises a servo motor (9), which is mounted on the inner wall of a bottom shell (1), a worm (11) being mounted on the output shaft of the servo motor (9), a transverse shaft (13) being rotatably mounted in the bottom shell (1), a worm wheel (12) being sleeved on the outer side of the transverse shaft (13), and the worm (11) being meshed with the worm wheel (12).

3. An electrical grounding operation protection mechanism according to claim 2, characterized in that: First bevel gears (15) are fixedly mounted on both ends of the transverse shaft (13), second bevel gears (16) are sleeved on the outer sides of the two threaded rods (8), and the two first bevel gears (15) are meshed with the two second bevel gears (16).

4. The electrical grounding operation protection mechanism according to claim 2, characterized in that: Two bearings (14) are installed on the top inner wall of the bottom shell (1), and the transverse shaft (13) is fixedly installed on the inner rings of the two bearings (14).

5. The electrical grounding operation protection mechanism according to claim 1, characterized in that: Four sliding bars (3) are installed on the top of the bottom shell (1), and the fixed plate (5) is slidably installed on the outside of the corresponding two sliding bars (3); the provided sliding bars (3) can ensure the vertical movement of the fixed plate (5).

6. The electrical grounding operation protection mechanism according to claim 1, characterized in that: The bottom of the fixing seat 1 (6) and the fixing seat 2 (7) are fixedly installed with two fixing blocks (18), the tops of the two fixing plates (5) are provided with two sliding grooves (19), the fixing blocks (18) are matched with the corresponding sliding grooves (19), the inner walls of the four sliding grooves (19) are provided with compression spring grooves (24), the four compression spring grooves (24) are slidably installed with locking rods (21), compression springs (25) are fixedly installed between the locking rods (21) and the corresponding compression spring grooves (24), the four fixing blocks (18) are provided with locking grooves (20), the locking rods (21) are matched with the corresponding locking grooves (20).

7. An electrical grounding operation protection mechanism according to claim 6, characterized in that: Round rods (22) are fixedly mounted on the tops of the four locking rods (21), connecting rods (23) are arranged above the two fixing plates (5), and the connecting rods (23) are fixedly mounted on the tops of the two corresponding round rods (22).

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