CN109030920B

CN109030920B - Electroscope head

Info

Publication number: CN109030920B
Application number: CN201811268543.6A
Authority: CN
Inventors: 吴玮昭
Original assignee: Guangdong Power Grid Co Ltd; Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2023-08-01
Anticipated expiration: 2038-10-29
Also published as: CN109030920A

Abstract

The invention relates to the technical field of power failure maintenance auxiliary devices, in particular to a novel electroscope head which comprises a hook-shaped structure, a clamping assembly and a guide assembly, wherein one end of the clamping assembly is movably connected with the hook-shaped structure, and the other end of the clamping assembly surrounds a containing space matched with an overhead conductor; the clamping assembly is arranged on the bent hook part, the guiding assembly is arranged between the clamping assembly and the hook-shaped structure, the end part of the hook-shaped structure is provided with a connecting end connected with the electroscope, and the top part of the hook-shaped structure is provided with the electroscope. According to the invention, the electroscope is fixed on the overhead conductor by utilizing the gravity of the electroscope and the clamping force of the clamping assembly, so that the electroscope and the overhead conductor are kept in a continuous contact state, when the line is suddenly electrified, the continuous contact electroscope works, gives out an alarm and emits a light source, and a worker performing grounding operation can immediately stop the grounding operation, thereby avoiding malignant misoperation accidents under the condition of unknowing and improving the use safety of the electroscope.

Description

Electroscope head

Technical Field

The invention relates to the technical field of power failure maintenance auxiliary devices, in particular to an electroscope head.

Background

The current electricity testing mode after power failure is to use an electroscope to test that the conductor has no voltage, and then the electroscope leaves the conductor and then performs electricity testing operation. During the period from when the electroscope leaves the conductor to when the grounding operation is completed, there is a monitored vacuum time in which a sudden call may be made, and the grounding operator may perform the grounding operation without knowing that the power is available, resulting in a serious malfunction of the live grounding. In addition, when using electroscope to detect high-voltage line, because the overhead metal of current electroscope tests the electric end and is the straight shape unanimous with the body of rod, when the circuit is higher or the circuit is met wind back and forth hunting, the metal of electroscope tests the electric end and can't fix on testing the electric point, because contact failure leads to testing that the electric effect is not good, and the staff is tested and is wasted time and energy when electric.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides an electroscope head which is suitable for various types of overhead conductors, can be effectively fixed on the overhead conductors, can keep effective contact with the overhead conductors, and avoids the safety risk of live misoperation.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an electroscope head, including built-in hook structure, be used for fixed overhead conductor's clamping component and be used for leading into overhead conductor's guide component into that have hook portion, clamping component's one end and hook structure swing joint, the other end surrounds and forms the accommodation space with overhead conductor cooperation; the clamping assembly is arranged on the bent hook part, the guiding assembly is arranged between the clamping assembly and the hook-shaped structure, the end part of the hook-shaped structure is provided with a connecting end connected with the electroscope, and the top part of the hook-shaped structure is provided with an electroscope part used for short-term contact to perform three-phase electroscope operation of the circuit.

According to the electroscope head, the electroscope head is connected with the electroscope through the connecting end, three-phase electroscope of a line is carried out through the electroscope part, then the overhead conductor is led into the accommodating space through the guide mechanism, the whole electroscope is hung on a phase which needs to be grounded through clamping of the clamping assembly, the electroscope is fixed on the overhead conductor by means of gravity of the electroscope and clamping force of the clamping assembly, so that the electroscope and the overhead conductor keep in a continuous contact state, when the line is suddenly electrified, the continuous contact electroscope works, an alarm sound is sent out, a light source is shot out, and a worker carrying out grounding operation can immediately stop grounding operation, so that malignant misoperation accidents caused under the condition of no knowledge are avoided, and the use safety of the electroscope is improved; one end of the clamping component is movably connected with the hook-shaped structure, so that the size of the accommodating space is adjustable, and the clamping component is suitable for fixing overhead conductors of different types.

Further, the hook-shaped structure is a stainless steel conductive structure with a smooth surface and comprises a first side and a second side which are arranged in parallel, and the length of the first side is smaller than that of the second side. The arrangement of the two sides of the hook-shaped structure is convenient for the introduction of the overhead conductor, the operation is quick, the manufacture is simple, and the practicality and the feasibility are good.

Further, the clamping assembly comprises a clamping part, a connecting part and a root part which are sequentially connected, one end of the connecting part is detachably connected with the clamping part, and the other end of the connecting part penetrates through the hook-shaped structure to be connected with the root part. The clamping assembly is detachably connected with the hook-shaped structure, and the clamping assembly is detached in a windless or extremely-wind zone, and the detached hook-shaped structure can enable the electroscope to be in contact with the overhead conductor only by virtue of the gravity of the electroscope; and in the great area of wind-force, install the clamping assembly, fix overhead conductor between the clamping assembly, can keep the good contact between overhead conductor and the electroscope, guarantee the stability of electroscope work.

Further, the connecting part is sleeved with a spring, and the clamping part is provided with a bayonet for accommodating the sliding of the end part of the spring; the root is an arc surface structure with the inner side surface and the outer surface of the hook-shaped structure being tightly attached. The arrangement of the springs enables the overhead conductor to squeeze the clamping assembly to enter the accommodating space when the overhead conductor is led in, and the operation is convenient; the bayonet is arranged to clamp the spring on one hand and prevent the spring from shifting; on the one hand, the spring is hidden in the bayonet when the clamping assembly is pressed to the bottom; the arrangement of the root gives the electroscope head of the invention an attractive appearance and can avoid unnecessary injury to people caused by edge accidents. When the spring is disassembled, the spring is firstly pressed down, and then the clamping part is moved out from the side; the clamping part, the connecting part and the root part are mutually matched and mutually restricted, and the function of the clamping part, the connecting part and the root part are not affected.

Further, the clamping part is of a mushroom head structure with anti-slip waves on the end face, a T-shaped clamping part is arranged at the end part of the clamping part, and a T-shaped groove matched with the T-shaped clamping part is formed in the connecting part. The clamping parts are mutually clamped after entering from the side edges of the connecting parts, so that the two parts cannot be separated up and down; the clamping part is designed with anti-slip corrugations, and the gaps between the twisted wires are matched, so that friction between the electroscope and the overhead conductor is increased, the overhead conductor is more effectively fixed inside the electroscope, and the conductor is prevented from being separated from the electroscope.

Further, the upper portion of the clamping assembly is connected with an anti-deflection arc piece which is arranged oppositely, the end portion of the anti-deflection arc piece is provided with a solid cylindrical structure, and the distance between the top of the solid cylindrical structure and the hook-shaped structure is 3 mm-4 mm. When the overhead conductor accidentally falls out of the electroscope, the anti-deflection arc piece can prevent the overhead conductor from falling out of the electroscope for protection; the arrangement of the distance between the top of the solid cylindrical structure and the hook-shaped structure can prevent the overhead conductor from entering the electroscope head and then deviating into unnecessary places; the anti-cheating arc piece is arranged to have a card-free function, and when the clamping part is pressed to the lowest part to be in contact with the main body, a certain distance is reserved between the anti-deviation arc piece and the hook-shaped structure, so that the wire diameter of a wire passing through the electroscope is ensured.

Further, the guide assembly includes a first guide structure disposed between the clamping assembly and the first edge and a second guide structure disposed between the clamping assembly and the second edge. Because the different guide structures that can adopt of length difference on hook-like structure first limit and second limit, design different guide structures in first limit and second limit side, the overhead conductor of being convenient for can both lead into the accommodation space from long limit side or minor face side.

Further, the first guide structure comprises a first guide piece and a cylindrical structure arranged at one end of the first guide piece, the first guide piece is of an arc-shaped structure with a smooth surface, and the highest radian of the arc-shaped structure is leveled with the inner side of the first edge. The arrangement of the cylindrical structure can prevent unnecessary injury caused by penetration of the iron sheet into a human body, and the design of the radian of the arc-shaped structure can guide the wire into the electroscope head, so that the wire enters the electroscope head; the cylindrical structure is in contact with the end face of the hook-shaped structure, movement of the part is not affected, small wires are prevented from accidentally entering from a gap, and the overhead wires cannot enter the electroscope on the part.

Further, the second guiding structure comprises a second guiding piece and a slideway component, the slideway component comprises a chute fixed on the hook-shaped structure and a sliding block arranged in the chute in a sliding way, and two ends of the second guiding piece are respectively hinged with the clamping component and the sliding block. The second guide member moves with the movement of the clamping assembly, constantly maintaining a slope for guiding the wire into the electroscope head, and moves with the movement of the clamping portion so as not to affect the entry of the wire.

Further, the sliding block is provided with a cylindrical groove, and one end of the second guide piece is provided with a cylinder matched with the cylindrical groove; the clamping assembly is provided with a hinge hole, the other end of the second guide piece is provided with an annular structure with an opening, and the annular structure is connected in the hinge hole in a penetrating mode. The arrangement of the cylinder and the cylindrical groove can effectively avoid scratching the part sliding up and down; the annular structure and the hinge holes are arranged, the annular structures on two sides of the opening are forced, and the annular structures can be penetrated into the hinge holes, so that the disassembly and the assembly are convenient.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the electroscope head, the whole electroscope is hung on a phase to be grounded through the clamping assembly for clamping the overhead conductor, the electroscope is fixed on the overhead conductor by utilizing the gravity of the electroscope and the clamping force of the clamping assembly, so that the electroscope and the overhead conductor keep a continuous contact state, when the line is suddenly electrified, the continuous contact electroscope works, an alarm sound is sent out, a light source is emitted, a worker performing grounding operation can immediately stop the grounding operation, so that malignant misoperation accidents are avoided under the condition of unknowing, and the use safety of the electroscope is improved;

(2) According to the electroscope head, one end of the clamping component is movably connected with the hook-shaped structure, so that the size of the accommodating space is adjustable, and the electroscope head is suitable for fixing overhead conductors of different types;

(3) According to the electroscope head, when the overhead conductor accidentally comes out of the electroscope, the anti-deflection arc piece can prevent the overhead conductor from coming out of the protection of the electroscope, so that the electroscope head can be ensured to be in good contact with the overhead conductor all the time, and the operation safety is ensured;

(4) According to the electroscope head, the guide assembly is arranged to guide the guide wire into the electroscope head, so that the guide wire enters the electroscope head, and the electroscope head is simple in structure, convenient to operate and high in practicability.

Drawings

Fig. 1 is a perspective view of an electroscope head of the present invention.

Fig. 2 is a front view of the electroscope head of the present invention.

Fig. 3 is a schematic structural view of a hook structure of an electroscope head.

Fig. 4 is a schematic structural view of an electroscope head clamping assembly.

Fig. 5 is a schematic structural view of a first guide structure of the electroscope head.

Fig. 6 is a schematic structural view of a second guide structure of the electroscope head.

In the drawings, 1-hook structure; 11-a hook portion; 12-connecting ends; 13-an electricity checking part; 14-a first side; 15-a second side; 2-a clamping assembly; 21-a clamping part; 22-connecting part; 23-root; 24-spring; a 25-T-shaped clamping part; a 26-T-shaped slot; 27-arc deviation preventing pieces; 28-a solid cylindrical structure; 3-a guide assembly; 31-a first guide; 32-a cylindrical structure; 33-a second guide; 34-sliding grooves; 35-a slider; 36-a cylindrical groove; 37-cyclic structure.

Detailed Description

The invention is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Examples

As shown in fig. 1 to 6, a first embodiment of the electroscope head of the present invention comprises a hook structure 1 with a hook part 11, a clamping component 2 for fixing an overhead conductor and a guiding component 3 for guiding the overhead conductor, wherein one end of the clamping component 2 is movably connected with the hook structure 1, and the other end surrounds a containing space matched with the overhead conductor; the clamping assembly 2 is arranged on the bent hook part 11, the guide assembly 3 is arranged between the clamping assembly 2 and the hook-shaped structure 1, the end part of the hook-shaped structure 1 is provided with a connecting end 12 connected with the electroscope, and the top is provided with an electroscope part 13 for short-term contact to perform three-phase electroscope operation of the circuit.

When the three-phase electroscope is implemented, the electroscope head is connected with the electroscope through the connecting end 12, three-phase electroscope of a circuit is firstly conducted through the electroscope part 13, then the overhead conductor is led into the accommodating space through the guide mechanism, the whole electroscope is hung on a phase which needs to be grounded through the clamping assembly 2 clamping the overhead conductor, the electroscope is fixed on the overhead conductor by utilizing the gravity of the electroscope and the clamping force of the clamping assembly 2, so that the electroscope and the overhead conductor keep in a continuous contact state, when the circuit is suddenly electrified, the continuous contact electroscope works, an alarm sound and a light source are emitted, and a worker conducting grounding operation can immediately stop grounding operation, so that malignant misoperation accidents are avoided under the condition of blindness, and the use safety of the electroscope is improved.

As shown in fig. 3, the hook-shaped structure 1 is a stainless steel conductive structure with a smooth surface, and the hook-shaped structure 1 includes a first edge 14 and a second edge 15 which are arranged in parallel, wherein the length of the first edge 14 is smaller than the length of the second edge 15.

As shown in fig. 1 and 4, the clamping assembly 2 includes a clamping portion 21, a connecting portion 22 and a root portion 23 connected in sequence, one end of the connecting portion 22 is detachably connected to the clamping portion 21, and the other end passes through the hook structure 1 to be connected to the root portion 23. In windless or extremely-low wind zones, the clamping assembly 2 is disassembled, and the disassembled hook-shaped structure 1 can enable the electroscope to be in contact with the overhead conductor only by virtue of the gravity of the electroscope; in the zone with large wind force, the clamping assemblies 2 are arranged, and the overhead conductor is fixed between the clamping assemblies 2, so that good contact between the overhead conductor and the electroscope can be maintained.

Wherein, the connecting part 22 is sleeved with a spring 24, so that when the overhead conductor is led in, the overhead conductor can enter the accommodating space by extruding the clamping component 2; the clamping part 21 is provided with a bayonet for accommodating the end of the spring 24 to slide in, on the one hand, the spring 24 can be clamped, the spring 24 is prevented from being deflected, and on the other hand, the spring 24 is hidden in the bayonet when the clamping assembly 2 is pressed to the bottom; the root 23 is a cambered surface structure with the inner side surface tightly attached to the outer surface of the hook-shaped structure 1, so that the electroscope head of the invention has attractive appearance, and unnecessary injury to people caused by edge accidents can be avoided.

As shown in fig. 4, the clamping part 21 is a mushroom head structure with anti-slip corrugations on the end surface, the end part of the clamping part 21 is provided with a T-shaped clamping part 25, and the connecting part 22 is provided with a T-shaped groove 26 matched with the T-shaped clamping part 25; the clamping parts 21 are mutually clamped after entering from the side edges of the connecting parts 22, so that two parts cannot be separated up and down; the clamping part 21 is designed with anti-slip corrugations, and is matched with gaps among the twisting wires, so that friction between the electroscope and the overhead conductor is increased, the overhead conductor is more effectively fixed inside the electroscope, and the conductor is prevented from being separated from the electroscope.

As shown in fig. 4, the upper portion of the clamping assembly 2 is connected with an anti-deviation arc piece 27 which is arranged oppositely, the end portion of the anti-deviation arc piece 27 is provided with a solid cylindrical structure 28, and the distance between the top of the solid cylindrical structure 28 and the hook-shaped structure 1 is 3 mm-4 mm. The anti-deflection arc piece 27 can prevent the overhead conductor from falling out of the electroscope when the overhead conductor accidentally falls out of the electroscope; the arrangement of the distance between the top of the solid cylindrical structure 28 and the hook-like structure 1 can prevent the overhead conductor from entering the electroscope head and then being deflected into unnecessary places; the arrangement of the anti-cheating arc piece has a card-free function, and when the clamping part 21 is pressed to the lowest part to be in contact with the main body, the anti-deviation arc piece 27 is still at a certain distance from the hook-shaped structure 1, so that the wire diameter of a wire passing through the electroscope is ensured.

As shown in fig. 5 and 6, the guide assembly 3 includes a first guide structure disposed between the clamping assembly 2 and the first side 14 and a second guide structure disposed between the clamping assembly 2 and the second side 15. The first guiding structure comprises a first guiding piece 31 and a cylindrical structure 32 arranged at one end of the first guiding piece 31, so that unnecessary damage caused by penetration of an iron sheet into a human body can be prevented, and the design of the radian of the arc-shaped structure can guide the wire into the electroscope head, so that the wire enters the electroscope head; the first guide member 31 has a smooth arc structure, and the highest arc of the arc structure is leveled with the inner side of the first edge 14. In addition, the second guiding structure comprises a second guiding piece 33 and a slideway component, the slideway component comprises a chute 34 fixed on the hook-shaped structure 1 and a sliding block 35 arranged in the chute 34 in a sliding way, and two ends of the second guiding piece 33 are respectively hinged with the clamping component 2 and the sliding block 35; the second guide 33 moves with the movement of the clamping assembly 2, constantly maintaining a slope to guide the wire into the inside of the electroscope head, and moves with the movement of the clamping portion 21 so as not to interfere with the entry of the wire. In addition, the slider 35 is provided with a cylindrical groove 36, and one end of the second guide 33 is provided with a cylinder matched with the cylindrical groove 36; the clamping assembly 2 is provided with a hinge hole, the other end of the second guide piece 33 is provided with an annular structure 37 with an opening, and the annular structure 37 is connected in the hinge hole in a penetrating way; the arrangement of the cylinder and the cylindrical groove 36 can effectively avoid scratching the part sliding up and down; the annular structure 37 and the hinge holes are arranged, the annular structures 37 on two sides of the opening are forced, and the annular structures 37 can be penetrated into the hinge holes, so that the disassembly and the assembly are convenient.

It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The electroscope head is characterized by comprising a hook-shaped structure (1) internally provided with a hook part (11), a clamping component (2) for fixing an overhead conductor and a guide component (3) for guiding the overhead conductor, wherein the clamping component (2) movably connected with the hook-shaped structure (1) is arranged on the inner side of the hook part (11), the hook-shaped structure (1) is a stainless steel conductive structure with a smooth surface, the hook-shaped structure (1) comprises a first side (14) and a second side (15) which are arranged in parallel, and a transverse side connected to the upper ends of the first side (14) and the second side (15), the length of the first side (14) is smaller than that of the second side (15), a connecting end (12) connected with the electroscope is arranged at the end part of the second side far away from the transverse side, and an electroscope part (13) for temporarily contacting the end part of the second side close to the transverse side is provided with a three-phase electroscope operation of a circuit;

the clamping assembly (2) comprises a first clamping assembly and a second clamping assembly which are symmetrically arranged, and a containing space matched with the overhead conductor is arranged between the first clamping assembly and the second clamping assembly; the first clamping assembly comprises a clamping part (21), a connecting part (22) and a root part (23) which are sequentially connected, one end of the connecting part (22) is detachably connected with the clamping part (21), and the other end of the connecting part passes through a first edge (14) of the hook-shaped structure (1) to be connected with the root part (23); the second clamping component and the first clamping component are symmetrically arranged, and the other end of the connecting part of the second clamping component passes through the second edge (15) of the hook-shaped structure (1) to be connected with the root part (23); the connecting part (22) is sleeved with a spring (24), and the clamping part (21) is provided with a bayonet for accommodating the end part of the spring (24) to slide in; the root (23) is a cambered surface structure with an inner side surface tightly attached to the outer surface of the hook-shaped structure (1);

the guide assembly (3) comprises a first guide structure arranged between the clamping assembly (2) and the first edge (14) and a second guide structure arranged between the clamping assembly (2) and the second edge (15);

the first guide structure comprises a first guide piece (31) and a cylindrical structure (32) arranged at one end of the first guide piece (31), the first guide piece (31) is of an arc-shaped structure with a smooth surface, and the highest radian of the arc-shaped structure is leveled with the inner side of the first side (14); one end of the first guide structure is connected to the lower part of the first clamping component, the other end of the first guide structure is in contact with the lower end face of the first side of the hook-shaped structure (1), and the outer wall of the first guide structure is communicated with the accommodating space (21) to form a moving path of the overhead conductor;

the second guide structure comprises a second guide piece (33) and a slideway assembly, the slideway assembly comprises a chute (34) fixed on the hook-shaped structure and a sliding block (35) arranged in the chute (34) in a sliding manner, and two ends of the second guide piece (33) are respectively hinged with the clamping assembly (2) and the sliding block (35); the sliding block (35) is provided with a cylindrical groove (36), and one end of the second guide piece (33) is provided with a cylinder matched with the cylindrical groove; the clamping assembly (2) is provided with a hinge hole, the other end of the second guide piece (33) is provided with an annular structure (37) with an opening, and the annular structure (37) is connected in the hinge hole in a penetrating mode.

2. Electroscope head according to claim 1, characterized in that the clamping part (21) is a mushroom head structure with anti-slip corrugations on the end face, the end part of the clamping part (21) is provided with a T-shaped clamping part (25), and the connecting part (22) is provided with a T-shaped groove (26) matched with the T-shaped clamping part.

3. The electroscope head according to claim 1, wherein the upper portion of the clamping assembly (2) is connected with oppositely arranged anti-deflection arc pieces (27), the end portions of the anti-deflection arc pieces (27) are provided with solid cylindrical structures (28), and the distance between the tops of the solid cylindrical structures (28) and the hook-shaped structures (1) is 3 mm-4 mm.