CN112670747B

CN112670747B - Cable power exchange anti-falling device for standby power supply of shopping mall

Info

Publication number: CN112670747B
Application number: CN202011561856.8A
Authority: CN
Inventors: 周露; 马宁; 赵朔; 贾明磊; 李政; 袁航; 侯威; 杜娟
Original assignee: Fangcheng Power Supply Co Of State Grid Henan Electric Power Co
Current assignee: Fangcheng Power Supply Co Of State Grid Henan Electric Power Co
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-03-15
Anticipated expiration: 2040-12-25
Also published as: CN112670747A

Abstract

The invention discloses a cable power exchange tilting prevention device for standby power supply of a mall, and particularly relates to the field of cables. According to the invention, when the insulating rod slides upwards in the L-shaped sliding groove, the conductive arc-shaped contact piece at the top end of the conductive metal rod can be connected with the three cables, so that the standby output cable and the three cables form a circuit, and power supply can be carried out in the working process of the generator, otherwise, the insulating rod slides into the transverse groove of the L-shaped sliding groove to form power failure, so that power exchange is completed, and the phenomenon that the two-phase voltage is over-high in load and easily causes interface burnout is avoided.

Description

Cable power exchange anti-falling device for standby power supply of shopping mall

Technical Field

The invention relates to the technical field of cables, in particular to a cable power exchange anti-falling device for standby power supply in a mall.

Background

The power consumption in the market is great, generally all installs power generation facility to can alleviate the demand to the electric energy through self-powered when having a power failure suddenly, and need be connected with power generation facility with the electric wire netting in market earlier launching power generation facility.

When the power generation equipment is started, a power grid and the power generation equipment in a market need to be connected firstly, and a maintainer needs to peel off a fixed power line to carry out bare line serial connection when switching connection, and when the generator works, if the power supply is returned to be normal, the load of two-phase voltage is too high, an interface is easily burnt, so that the cable power exchange anti-falling device for the standby power supply of the market is needed.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a cable power exchange fall prevention device for a backup power supply in a mall, so as to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a cable power exchange tilting prevention device for standby power supply of a mall comprises a fixing box, wherein three cables penetrate through the fixing box, the bottom of the fixing box is communicated with a fixing pipe, a sliding plate is connected inside the fixing pipe in a sliding manner, three conductive metal rods are fixedly connected to the top of the sliding plate, and three conductive arc-shaped contact pieces which are in contact with wires inside the three cables are fixedly connected to the top ends of the three conductive metal rods;

the bottom end of the fixed pipe is fixedly connected with a first connecting joint, the bottom of the first connecting joint is provided with a second connecting joint, two sides of the first connecting joint are fixedly connected with two fixed plates, the side surfaces of the two fixed plates are respectively provided with a fixture block in a sliding manner, two sides of the second connecting joint are respectively fixedly connected with two supporting plates, the tops of the two supporting plates are respectively provided with a clamping plate in a sliding manner, one end of the clamping plate, far away from the supporting plates, is clamped in the fixture block, one side, opposite to the first connecting joint and the second connecting joint, is provided with a first groove, the inside of the first groove on the surface of the first connecting joint is fixedly connected with three conductive metal inserted rods, the three conductive metal inserted rods are electrically connected with the three conductive metal inserted blocks through electric wires, and the inside of the first groove on the surface of the second connecting joint is fixedly connected with three conductive metal inserted blocks, and three conductive metal inserted bars are inserted in the three conductive metal inserted blocks, the bottom of the second connecting joint is connected with a standby output cable, and the standby output cable is electrically connected with the three conductive metal inserted blocks respectively.

Furthermore, L type spout has been seted up on the surface of fixed pipe, the inside fixedly connected with insulator spindle of L type spout, just the one end of insulator spindle and middle electrically conductive metal pole fixed connection, just the other end fixedly connected with handle of insulator spindle.

Further, the equal fixedly connected with fixed block of both sides inner wall of fixed pipe, the top fixedly connected with telescopic link of fixed block, the top fixedly connected with supporting shoe of telescopic link, just the top of supporting shoe is provided with the rolling mechanism with slide bottom roll connection, the fixed surface of telescopic link has cup jointed two snap rings, two fixedly connected with cover is established at the outside spring of telescopic link between the snap ring.

Furthermore, the rolling mechanism comprises a ball groove formed in the top of the supporting block, balls rolling in the ball groove are embedded in the ball groove, and the surface of each ball is in rolling connection with the bottom of the sliding plate.

Furthermore, three the cable conductor is live wire, zero line and earth connection respectively, live wire, zero line and earth connection in the reserve output cable respectively with three electrically conductive metal inserted block electric connection.

Furthermore, a second groove is formed in one side, away from the first connecting joint, of the fixing plate, a first sliding rod is fixedly connected inside the second groove, a first sliding block is sleeved on the surface of the first sliding rod, a second spring is sleeved on the surface of the first sliding rod between the first sliding block and the inner wall of the top of the second groove, and the surface of the first sliding block is fixedly connected with the clamping block.

Furthermore, No. three grooves are formed in the top of the supporting plate, No. two sliding rods are fixedly connected inside the No. three grooves, No. two sliding blocks are sleeved on the surface of the No. two sliding rods, a No. three spring on the surface of the No. two sliding rods is sleeved with a fixedly connected with sleeve between the No. two sliding blocks and the inner wall of the top of the No. three grooves, and the top of the No. two sliding blocks is fixedly connected with the clamping plate.

Furthermore, a through groove is formed in the top of the clamping block, the clamping plate is L-shaped, the size of the through groove is larger than the maximum width of the clamping plate, and the clamping plate is clamped inside the through groove.

The invention has the technical effects and advantages that:

1. compared with the prior art, when upwards sliding in L type spout through the insulator spindle, make the electrically conductive arc contact piece on electrically conductive metal pole top can with three cable conductor connection, thereby make reserve output cable and three cable conductor formation circuit, thereby can supply power in generator working process, and slide to the transverse groove of L type spout through the insulator spindle, make the electrically conductive arc contact piece on electrically conductive metal pole top can separate with three cable conductor, thereby the outage, thereby accomplish the power exchange, avoid the load of double-phase voltage too high, cause the interface to burn out easily.

2. Compared with the prior art, through setting up fixture block and cardboard, can utilize the elasticity of a spring and No. two springs for the fixture block can with the cardboard joint, thereby connect and fix a attach fitting and No. two attach fittings, and through the grafting between electrically conductive metal inserted bar and the electrically conductive metal inserted block, make reserve output cable and three cable conductor electric connection, and form a complete circuit.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Figure 3 is a side view of the skateboard of the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

Fig. 5 is a cross-sectional view of a fixing plate and a support plate of the present invention.

The reference signs are: 1. a fixing box; 2. a cable wire; 3. a fixed tube; 4. a slide plate; 5. a conductive metal rod; 6. a conductive arc-shaped contact piece; 7. a first connecting joint; 8. a second connecting joint; 9. a fixing plate; 10. a clamping block; 11. a support plate; 12. clamping a plate; 13. a first groove; 14. a conductive metal insert rod; 15. a conductive metal insert; 16. a spare output cable; 17. an L-shaped chute; 18. an insulating rod; 19. a handle; 20. a fixed block; 21. a telescopic rod; 22. a support block; 23. a snap ring; 24. a first spring; 25. a ball groove; 26. a second groove; 27. a first sliding rod; 28. a first sliding block; 29. a second spring; 30. a groove III; 31. a second sliding rod; 32. a second sliding block; 33. a third spring; 34. a through groove; 35. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The cable power exchange tilting prevention device for the standby power supply in the mall as shown in the attached fig. 1-5 comprises a fixing box 1, wherein three cables 2 penetrate through the fixing box 1, specifically, the cable 2 is split in the fixing box 1, the bottom of the fixing box 1 is communicated with a fixing tube 3, the inside of the fixing tube 3 is slidably connected with a sliding plate 4, the top of the sliding plate 4 is fixedly connected with three conductive metal rods 5, and the top ends of the three conductive metal rods 5 are fixedly connected with three conductive arc-shaped contact pieces 6 which are in contact with wires inside the three cables 2;

the bottom end of the fixed pipe 3 is fixedly connected with a first connecting joint 7, the bottom of the first connecting joint 7 is provided with a second connecting joint 8, two sides of the first connecting joint 7 are fixedly connected with two fixed plates 9, the side surfaces of the two fixed plates 9 are respectively provided with a clamping block 10 in a sliding manner, two sides of the second connecting joint 8 are respectively fixedly connected with two supporting plates 11, the tops of the two supporting plates 11 are respectively provided with a clamping plate 12 in a sliding manner, one end of the clamping plate 12 far away from the supporting plates 11 is clamped in the clamping block 10, one side of the first connecting joint 7 opposite to the second connecting joint 8 is respectively provided with a first groove 13, the inside of the first groove 13 on the surface of the first connecting joint 7 is fixedly connected with three conductive metal inserted rods 14, the three conductive metal inserted rods 14 are electrically connected with the three conductive metal rods 5 through electric wires, the inside of the first groove 13 on the surface of the second connecting joint 8 is fixedly connected with three conductive metal inserted blocks 15, and three conductive metal inserted bars 14 are inserted in the three conductive metal inserted blocks 15, the bottom of the second connecting joint 8 is connected with a standby output cable 16, and the standby output cable 16 is electrically connected with the three conductive metal inserted blocks 15 respectively.

In a preferred embodiment, the surface of the fixed tube 3 is provided with an L-shaped sliding slot 17, the inside of the L-shaped sliding slot 17 is fixedly connected with an insulating rod 18, one end of the insulating rod 18 is fixedly connected with the middle conductive metal rod 5, and the other end of the insulating rod 18 is fixedly connected with a handle 19, so that when the insulating rod 18 slides upwards in the L-shaped sliding slot 17, the conductive arc-shaped contact piece 6 at the top end of the conductive metal rod 5 can be connected with the three cable wires 2, so that the standby output cable 16 and the three cable wires 2 form a circuit, so that power can be supplied during the operation of the generator, and the insulating rod 18 slides into the transverse slot of the L-shaped sliding slot 17, so that the conductive arc-shaped contact piece 6 at the top end of the conductive metal rod 5 can be separated from the three cable wires 2, so as to cut off the power, thereby completing power exchange and preventing the two-phase voltage from being overloaded, the interface is easy to burn.

In a preferred embodiment, the equal fixedly connected with fixed block 20 of both sides inner wall of fixed pipe 3, the top fixedly connected with telescopic link 21 of fixed block 20, the top fixedly connected with supporting shoe 22 of telescopic link 21, and the top of supporting shoe 22 is provided with the rolling mechanism with slide 4 bottom roll connection, the fixed surface of telescopic link 21 has cup jointed two snap rings 23, fixedly connected with cover is established No. one spring 24 in telescopic link 21 outside between two snap rings 23, so that can utilize the elasticity of a spring 24, make slide 4 can reset after moving down, make simultaneously that the electrically conductive arc contact piece 6 on electrically conductive metal pole 5 top can contact with three cable conductor 2.

In a preferred embodiment, the rolling mechanism includes a ball groove 25 opened at the top of the supporting block 22, a ball 35 rolling in the ball groove 25 is embedded in the ball groove 25, and the surface of the ball 35 is in rolling connection with the bottom of the slide board 4, so that the rolling between the ball 35 and the ball groove 25 can be utilized, the friction between the supporting block 22 and the slide board 4 can be reduced, and the slide board 4 can be conveniently rotated by the insulating rod 18.

In a preferred embodiment, the three cables 2 are respectively a live wire, a neutral wire and a ground wire, and the live wire, the neutral wire and the ground wire in the standby output cable 16 are respectively electrically connected with the three conductive metal plugs 15, so that the live wire, the neutral wire and the ground wire in the standby output cable 16 and the three cables 2 can be connected to form a complete circuit.

In a preferred embodiment, a second groove 26 is formed in one side of the fixing plate 9 away from the first connector 7, a first sliding rod 27 is fixedly connected inside the second groove 26, a first sliding block 28 is sleeved on the surface of the first sliding rod 27, a second spring 29 sleeved on the surface of the first sliding rod 27 is fixedly connected between the first sliding block 28 and the top inner wall of the second groove 26, and the surface of the first sliding block 28 is fixedly connected with the fixture block 10, so that the fixture block 10 can be clamped with the fixture plate 12 by utilizing the elastic action of the second spring 29.

In a preferred embodiment, a third groove 30 is formed in the top of the supporting plate 11, a second sliding rod 31 is fixedly connected inside the third groove 30, a second sliding block 32 is sleeved on the surface of the second sliding rod 31, a third spring 33 sleeved on the surface of the second sliding rod 31 is fixedly connected between the second sliding block 32 and the inner wall of the top of the third groove 30, and the top of the second sliding block 32 is fixedly connected with the clamping plate 12, so that the clamping block 10 and the clamping plate 12 can be clamped by the elastic action of the third spring 33.

In a preferred embodiment, the top of the fixture block 10 is provided with a through slot 34, the fixture plate 12 is shaped like an L, the size of the through slot 34 is larger than the maximum width of the fixture plate 12, and the fixture plate 12 is clamped inside the through slot 34, so that the shape of the fixture plate 12 enables the protruding part of the fixture plate 12 to be clamped with the through slot 34 of the fixture block 10.

The working principle of the invention is as follows: after a sudden power failure occurs in a market, when the power generation equipment is started, the power grid of the market is connected with the power generation equipment, an overhaul worker aligns the first connecting joint 7 with the second connecting joint 8, inserts the three conductive metal inserting rods 14 into the three conductive metal inserting blocks 15, then moves the clamping block 10 downwards, moves the clamping plate 12 at the same time, enables the clamping plate 12 to penetrate through the through groove 34 in the clamping block 10, then clamps the clamping plate 12 with the clamping block 10 under the elastic action of the second spring 29 and the third spring 33 to fix the first connecting joint 7 and the second connecting joint 8, then drives the insulating rod 18 to rotate from the transverse groove of the L-shaped sliding groove 17 to the vertical groove through the handle 19, at the moment, under the elastic action of the first spring 24, the sliding plate 4 drives the three conductive metal rods 5 to move upwards, and enables the conductive arc-shaped contact piece 6 to be in contact with the split sections in the middle parts of the three cables 2, form the circuit, make things convenient for the generator to supply power, when external power source resumeed the supply simultaneously, drive insulator spindle 18 downstream and rotate to the transverse groove of L type spout 17 through handle 19 for electrically conductive arc contact piece 6 and the section skin section separation of splitting at three cable conductor 2 middle part, thereby avoid the load of double-phase voltage too high, cause the interface to burn easily.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A cable power exchange tilting prevention device for a spare power supply of a mall, comprising a fixing box (1), characterized in that: three cables (2) penetrate through the fixing box (1), the bottom of the fixing box (1) is communicated with a fixing tube (3), the inside of the fixing tube (3) is connected with a sliding plate (4) in a sliding manner, the top of the sliding plate (4) is fixedly connected with three conductive metal rods (5), and the top ends of the three conductive metal rods (5) are fixedly connected with three conductive arc-shaped contact pieces (6) which are in contact with the wires inside the three cables (2);

the bottom end of the fixed pipe (3) is fixedly connected with a first connecting joint (7), the bottom of the first connecting joint (7) is provided with a second connecting joint (8), two sides of the first connecting joint (7) are fixedly connected with two fixed plates (9), the side surfaces of the two fixed plates (9) are respectively provided with a clamping block (10) in a sliding manner, two sides of the second connecting joint (8) are respectively fixedly connected with two supporting plates (11), the tops of the two supporting plates (11) are respectively provided with a clamping plate (12) in a sliding manner, one end of each clamping plate (12) far away from the corresponding supporting plate (11) is clamped in the clamping block (10), one side of the first connecting joint (7) opposite to the second connecting joint (8) is respectively provided with a first groove (13), and the inside of the first groove (13) on the surface of the first connecting joint (7) is fixedly connected with three conductive metal inserting rods (14), and the three conductive metal insertion rods (14) are electrically connected with the three conductive metal rods (5) through wires, the interior of the first groove (13) on the surface of the second connecting joint (8) is fixedly connected with three conductive metal insertion blocks (15), and three conductive metal insertion rods (14) are inserted in the three conductive metal insertion blocks (15), the bottom of the second connecting joint (8) is connected with a spare output cable (16), the standby output cable (16) is respectively and electrically connected with the three conductive metal insertion blocks (15), an L-shaped sliding groove (17) is arranged on the surface of the fixed tube (3), an insulating rod (18) is fixedly connected inside the L-shaped sliding groove (17), one end of the insulating rod (18) is fixedly connected with the middle conductive metal rod (5), and the other end of the insulating rod (18) is fixedly connected with a handle (19).

2. The cable power exchange fall prevention device for a backup power supply of a mall according to claim 1, wherein: the equal fixedly connected with fixed block (20) of both sides inner wall of fixed pipe (3), top fixedly connected with telescopic link (21) of fixed block (20), the top fixedly connected with supporting shoe (22) of telescopic link (21), just the top of supporting shoe (22) is provided with the rolling mechanism with slide (4) bottom roll connection, two snap rings (23), two have been cup jointed to the fixed surface of telescopic link (21) fixedly connected with cover between snap ring (23) is established and is established spring (24) in telescopic link (21) outside.

3. The cable power exchange fall prevention device for the standby power supply of the mall according to claim 2, wherein: the rolling mechanism comprises a ball groove (25) formed in the top of the supporting block (22), balls (35) rolling in the ball groove (25) are embedded in the ball groove, and the surface of each ball (35) is in rolling connection with the bottom of the sliding plate (4).

4. The cable power exchange fall prevention device for a backup power supply of a mall according to claim 3, wherein: three cable conductor (2) are live wire, zero line and earth connection respectively, live wire, zero line and earth connection in reserve output cable (16) respectively with three conductive metal inserted block (15) electric connection.

5. The cable power exchange fall prevention device for the standby power supply of the mall according to claim 4, wherein: no. two recess (26) have been seted up to one side that a attach fitting (7) was kept away from in fixed plate (9), slide bar (27) of the inside fixedly connected with of No. two recess (26), slide bar (27) the surface has cup jointed a slider (28), fixedly connected with cover is established No. two spring (29) on a slide bar (27) surface between the top inner wall of a slider (28) and No. two recess (26), just the surface and fixture block (10) fixed connection of a slider (28).

6. The cable power exchange fall prevention device for the standby power supply of the mall according to claim 5, wherein: no. three recess (30) have been seted up at the top of backup pad (11), No. two slide bar (31) of inside fixedly connected with of No. three recess (30), No. two slider (32) have been cup jointed on the surface of No. two slide bar (31), fixedly connected with cover is established at No. three spring (33) on No. two slide bar (31) surfaces between the top inner wall of No. two slider (32) and No. three recess (30), the top and cardboard (12) fixed connection of No. two slider (32).

7. The cable power exchange fall prevention device for a backup power supply of a mall according to claim 6, wherein: the clamping block is characterized in that a through groove (34) is formed in the top of the clamping block (10), the clamping plate (12) is L-shaped, the size of the through groove (34) is larger than the maximum width of the clamping plate (12), and the clamping plate (12) is clamped inside the through groove (34).