CN214204492U

CN214204492U - Tripping protection device of transformer substation

Info

Publication number: CN214204492U
Application number: CN202023047858.3U
Authority: CN
Inventors: 张俊; 郭登科; 郭书波; 石涛; 魏震霆; 李科; 巴特; 杜龙基; 马美婷
Original assignee: State Grid Xinjiang Electric Power Co Ltd Changji Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Xinjiang Electric Power Co Ltd Changji Power Supply Co; State Grid Corp of China SGCC
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-14
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a transformer substation tripping protection device, which relates to the technical field of transformer substations and comprises an installation box body, wherein one side of the front surface of the installation box body is provided with a wiring through groove A, and the outer side of the wiring through groove A is provided with a cable positioning component; the cable positioning component comprises a backboard, the front middle part of the backboard is provided with a wiring through groove B, the wiring through groove B inner side is provided with a movable plate and the wiring through groove B two side wall bottoms are all provided with mounting grooves, the movable plate both sides are all fixedly provided with a rotating shaft, the end part of the rotating shaft is positioned in the mounting groove inner side and is connected with the mounting groove through the bearing and the inside rotation of the mounting groove, the rotating shaft outer side is sleeved with a torsion spring, and one end of the torsion spring is fixedly connected with the movable plate side wall. The utility model discloses when effectively fixing the cable, effectively reducing laying the degree of difficulty of cable, the insulating properties of cable has been guaranteed to the condition that the sheath wearing and tearing can not take place simultaneously.

Description

Tripping protection device of transformer substation

Technical Field

The utility model relates to a transformer substation technical field, in particular to tripping operation protection device of transformer substation.

Background

In the process of building the electric power system, a plurality of substations need to be built, so that voltage and current can be converted through the substations, and electric energy can be received and distributed at the same time, electrical equipment in the substations can be divided into equipment for directly producing, conveying, distributing and using electric energy and equipment for measuring, monitoring, controlling and protecting the operation working conditions of the equipment.

However, the existing trip protection device still has some defects in actual use, and it is obvious that before the device is used, the cable needs to be penetrated into the device from two sides of the device, and is connected with a voltmeter and an ammeter in the device, but because the threading hole formed in the device is often small, the operation difficulty is large, and meanwhile, the cable skin is easily abraded in the threading process, so that the insulation performance of the cable is affected.

Therefore, it is necessary to invent a substation trip protection device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tripping operation protection device of transformer substation to the through wires hole that sets up on the device that provides in solving above-mentioned background art is often less, consequently has great the operation degree of difficulty, still leads to the fact wearing and tearing to the cable epidermis simultaneously easily at the threading in-process, influences the insulating properties's of cable problem.

In order to achieve the above object, the utility model provides a following technical scheme: a trip protection device for a transformer substation comprises an installation box body, wherein a wiring through groove A is formed in one side of the front surface of the installation box body, and a cable positioning assembly is arranged on the outer side of the wiring through groove A;

the cable positioning assembly comprises a back plate, a wiring through groove B is formed in the middle of the front face of the back plate, a movable plate is arranged on the inner side of the wiring through groove B, mounting grooves are formed in the bottoms of the two side walls of the wiring through groove B, rotating shafts are fixedly arranged on the two sides of the movable plate, the end part of each rotating shaft is located on the inner side of the mounting groove and is rotatably connected with the inside of the mounting groove through a bearing, a torsion spring is sleeved on the outer side of each rotating shaft, one end of the torsion spring is fixedly connected with the side wall of the movable plate, and the other end of the torsion spring is fixedly connected with the inner wall of the mounting groove;

a plurality of holding tanks have evenly been seted up from the left hand right side at fly leaf front top, the spout has all been seted up on holding tank both sides wall, the holding tank inboard is provided with cable fixture.

Preferably, the cable clamping mechanism comprises two symmetrically-arranged rubber clamping plates, and arc-shaped grooves are formed in the middle parts of the two sides, close to each other, of the rubber clamping plates.

Preferably, two one sides that the rubber splint keep away from each other all fixedly are provided with the slider, slider and spout adaptation.

Preferably, the top of the back plate is provided with a limiting pin in a sliding penetrating manner, the top of the limiting pin is fixedly provided with a toggle block, the center of the top of the movable plate is provided with a clamping groove, and the bottom end of the limiting pin is located inside the clamping groove.

Preferably, the four corners of the front surface of the back plate are provided with mounting holes in a penetrating manner, mounting studs are arranged on the inner sides of the mounting holes and fixedly connected with the mounting box body, and mounting nuts are connected to the outer sides of the mounting studs in a threaded manner.

Preferably, the bottom of the mounting box body is fixedly provided with a bottom plate, and the bottom of the bottom plate is bonded with a cushion pad.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with cable positioning component and cable fixture to when technical staff wears to establish the cable, can take off cable fixture by cable positioning component, then establish cable fixture cover outside the cable, insert cable fixture in cable positioning component at last again, and reset to the fly leaf in the cable positioning component can, compare with the device of the same type in the prior art, the utility model discloses when effectively fixing the cable, effectively reduce the laying degree of difficulty of cable, the condition that can not take place the wearing and tearing of cable crust simultaneously, guaranteed the insulating properties of cable;

2. the utility model discloses a be provided with spout and slider to can utilize spout and slider to cooperate, and then fix a position the whole cable fixture who inserts in the holding tank, avoid the condition that cable fixture drops to take place.

Drawings

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

fig. 2 is a front view structural schematic diagram of the wiring through groove a of the present invention;

fig. 3 is a schematic front view of the cable positioning assembly of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the cable clamping mechanism of the present invention.

In the figure: 1. installing a box body; 2. a wiring through groove A; 3. a cable positioning assembly; 31. a back plate; 32. a wiring through groove B; 33. a movable plate; 34. mounting grooves; 35. a rotating shaft; 36. a torsion spring; 37. accommodating grooves; 38. a chute; 4. a cable clamping mechanism; 41. a rubber splint; 42. an arc-shaped slot; 43. a slider; 5. a spacing pin; 6. a shifting block; 7. mounting holes; 8. mounting a stud; 9. mounting a nut; 10. a base plate; 11. a cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a trip protection device of transformer substation as shown in fig. 1-5, as shown in fig. 1 and fig. 2, including installation box 1, installation box 1 openly one side has been seted up wiring and has been led to groove A2, and the wiring leads to the groove A2 outside and sets up cable positioning component 3, and installation box 1 bottom is fixed to be set up bottom plate 10, and bottom plate 10 bottom bonds and sets up blotter 11.

As shown in fig. 3 and 4, the cable positioning assembly 3 includes a back plate 31, a wiring through groove B32 is formed in the middle of the front surface of the back plate 31, a movable plate 33 is disposed inside the wiring through groove B32, and mounting grooves 34 are formed at the bottoms of two side walls of the wiring through groove B32, rotation shafts 35 are fixedly disposed on two sides of the movable plate 33, the ends of the rotation shafts 35 are disposed inside the mounting grooves 34 and rotatably connected to the inside of the mounting grooves 34 through bearings, a torsion spring 36 is sleeved outside the rotation shafts 35, one end of the torsion spring 36 is fixedly connected to the side wall of the movable plate 33, the other end of the torsion spring 36 is fixedly connected to the inner wall of the mounting groove 34, a plurality of accommodating grooves 37 are uniformly formed on the top of the front surface of the movable plate 33 from left to right, sliding grooves 38 are formed on two side walls of the accommodating grooves 37, and a cable clamping mechanism 4 is disposed inside the accommodating groove 37, so that the movable plate 33 can rotate outwards with the rotation shafts 35 as an axis under the twisting action of the torsion spring 36, and then make holding tank 37 top expose, cable fixture 4 can be by holding tank 37 open-top roll-off this moment, and then make things convenient for follow-up cable fixture 4 to carry out the centre gripping to the cable.

As shown in fig. 5, the cable clamping mechanism 4 includes two rubber clamping plates 41 that the symmetry set up, the arc 42 has all been seted up near one side middle part each other to two rubber clamping plates 41, two rubber clamping plates 41 keep away from one side each other and all fix and set up slider 43, slider 43 and spout 38 adaptation to can utilize spout 38 and slider 43 to cooperate, and then fix a position the cable clamping mechanism 4 that inserts in the holding tank 37 is whole, avoid the condition that cable clamping mechanism 4 drops to take place.

As shown in fig. 2 and 3, the top of the back plate 31 is slidably disposed through the limit pin 5, the top of the limit pin 5 is fixedly disposed with the toggle block 6, the center of the top of the movable plate 33 is disposed with a slot, and the bottom of the limit pin 5 is disposed inside the slot, so as to limit the movable plate 33 by the limit pin 5, and further prevent the movable plate 33 from moving freely.

More specifically, the four corners of the front surface of the back plate 31 are all penetrated and provided with mounting holes 7, mounting studs 8 are arranged on the inner sides of the mounting holes 7, the mounting studs 8 are fixedly connected with the mounting box body 1, and mounting nuts 9 are in threaded connection with the outer sides of the mounting studs 8, so that the back plate 31 in the cable positioning assembly 3 can be mounted through the mounting studs 8 and the mounting nuts 9.

The utility model discloses the theory of operation:

in practical use, at this time, the device is in the state shown in fig. 1, a technician can shift the shifting block 6 upwards, so that the shifting block 6 drives the limit pin 5 to slide upwards, the bottom end of the limit pin 5 is moved out of the slot at the top of the movable plate 33, and the movable plate 33 rotates outwards with the rotating shaft 35 as an axis under the twisting action of the torsion spring 36;

at this time, a technician can draw out the cable clamping mechanism 4 from the top opening of the accommodating groove 37, separate the two rubber clamping plates 41, clamp the two rubber clamping plates 41 on the two sides of the cable respectively, and insert the folded rubber clamping plates 41 into the accommodating groove 37, so that the sliding block 43 is positioned inside the sliding groove 38;

finally, the poking block 6 is poked upwards, the movable plate 33 is pushed inwards at the same time, the movable plate 33 is reset, the poking block 6 is loosened at the moment, the limiting pin 5 is driven by the poking block 6 to fall, the bottom end of the limiting pin 5 enters the clamping groove again, and the movable plate 33 is limited.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a tripping operation protection device of transformer substation which characterized in that: the cable positioning device comprises an installation box body (1), wherein a wiring through groove A (2) is formed in one side of the front surface of the installation box body (1), and a cable positioning component (3) is arranged on the outer side of the wiring through groove A (2);

the cable positioning component (3) comprises a backboard (31), a wiring through groove B (32) is formed in the middle of the front surface of the backboard (31), a movable plate (33) is arranged on the inner side of the wiring through groove B (32) and mounting grooves (34) are formed in the bottoms of the two side walls of the wiring through groove B (32), rotating shafts (35) are fixedly arranged on the two sides of the movable plate (33), the end parts of the rotating shafts (35) are located on the inner side of the mounting grooves (34) and are rotatably connected with the inside of the mounting grooves (34) through bearings, torsion springs (36) are sleeved on the outer sides of the rotating shafts (35), one ends of the torsion springs (36) are fixedly connected with the side walls of the movable plate (33), and the other ends of the torsion springs (36) are fixedly connected with the inner walls of the mounting grooves (34);

a plurality of holding tanks (37) have evenly been seted up from the left hand right side at fly leaf (33) positive top, spout (38) have all been seted up on holding tank (37) both sides wall, holding tank (37) inboard is provided with cable fixture (4).

2. A substation trip protection device according to claim 1, characterized in that: the cable clamping mechanism (4) comprises two symmetrically arranged rubber clamping plates (41), and arc-shaped grooves (42) are formed in the middle of one side, close to each other, of each rubber clamping plate (41).

3. A substation trip protection device according to claim 2, characterized in that: two rubber splint (41) keep away from one side each other and all fixedly are provided with slider (43), slider (43) and spout (38) adaptation.

4. A substation trip protection device according to claim 1, characterized in that: the top of the back plate (31) is provided with a limiting pin (5) in a sliding and penetrating mode, a poking block (6) is fixedly arranged at the top of the limiting pin (5), the center of the top of the movable plate (33) is provided with a clamping groove, and the bottom end of the limiting pin (5) is located inside the clamping groove.

5. A substation trip protection device according to claim 1, characterized in that: the mounting structure is characterized in that mounting holes (7) are formed in four corners of the front face of the back plate (31) in a penetrating mode, mounting studs (8) are arranged on the inner sides of the mounting holes (7), the mounting studs (8) are fixedly connected with the mounting box body (1), and mounting nuts (9) are connected to the outer sides of the mounting studs (8) in a threaded mode.

6. A substation trip protection device according to claim 1, characterized in that: the bottom of the mounting box body (1) is fixedly provided with a bottom plate (10), and a cushion pad (11) is adhered to the bottom of the bottom plate (10).