CN216598035U - Indirect uninterrupted power operation wire clamp device with insulation shield - Google Patents

Abstract

The utility model relates to an indirect uninterrupted power operation wire clamp device with an insulating protective cover, which is mainly used for carrying out uninterrupted lap joint or dismantling on drainage wires of lines and equipment in modes of live-line operation ground potential, intermediate potential, equipotential and the like, and a body is designed into a complete device which is formed by combining a wire clamp hardware fitting and the insulating protective cover into a whole in order to realize the indirect uninterrupted lap joint and the installation of the insulating protective cover; the wire clamp hardware is embedded in the insulating shield, the upper part of the wire clamp hardware is fixed in the insulating shield, the lower part of the wire clamp hardware can be adjusted along with the tightness of a screw, and the lower part of the insulating shield is not in fixed contact with the wire clamp and is a part which can be opened; the wire clamp hardware fitting comprises an upper static pressure plate, a partial pressure middle plate, a lower dynamic pressure plate and other structures; the insulation shield comprises an upper cover, a lower box, a flexible connecting band, an upper cover inner bayonet, a lower box outer bayonet and the like. The device has the advantages of novel structure, convenient use, short time consumption, low labor intensity, low cost, enough safe distance, unlimited operation space and the like.

Description

Indirect uninterrupted power operation wire clamp device with insulation shield

Technical Field

The utility model belongs to the technical field of uninterrupted operation in electrical materials, and particularly relates to an indirect uninterrupted operation wire clamp device with an insulating shield.

Background

At present, more than 6 types of indirect wire clamps are newly developed in China in recent years, a solid foundation is laid for the indirect drainage wire dismantling and overlapping without power failure in China, but because the operation level and the requirement of line equipment are continuously improved, insulation is an important technical measure for ensuring the safe operation of the equipment, reducing fault grounding and preventing short circuit, and public safety events related to electricity are avoided. When the indirect uninterrupted operation lapping drainage wire is vigorously carried out, because of the lack of the existing device technology for lapping the drainage wire with the insulating protective cover in the indirect uninterrupted operation, the lapping positions of a large number of insulated lines are exposed while the uninterrupted operation is guaranteed, so that the insulated wires are immersed in water, oxidized and corroded, the heat is generated, the service life of the wires is shortened, and the risks of short circuit, fault grounding, wire breakage, public electric shock and the like exist. Therefore, how to overcome the defects of the prior art is a problem which needs to be solved in the technical field of uninterrupted power operation in the current electrical materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an indirect uninterrupted power operation wire clamp device with an insulating shield.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

an indirect uninterrupted power operation wire clamp device with an insulation shield comprises a wire clamp hardware fitting; the wire clamp hardware comprises an upper static pressure plate, a voltage-dividing middle plate and a lower dynamic pressure plate;

the upper static pressure plate, the pressure-dividing middle plate and the lower movable pressure plate are arranged in sequence from top to bottom;

the upper static pressure plate, the pressure dividing middle plate and the lower dynamic pressure plate are all provided with fixing screw holes and connected through fixing screws matched with the fixing screw holes;

the upper static pressure plate and the pressure dividing middle plate are respectively provided with a pressure dividing screw hole and are connected through a pressure dividing screw matched with the pressure dividing screw hole;

the right side of the bottom of the upper static pressure plate is provided with a main guide line clamping groove; a main guide line clamping groove is correspondingly formed in the right side of the top of the partial pressure middle plate;

a drainage wire clamping groove is formed in the left side of the bottom of the partial pressure middle plate; the left side of the top of the lower movable platen is also correspondingly provided with a drainage wire clamping groove;

and the lower movable platen is also provided with a partial pressure screw operation hole corresponding to the partial pressure screw hole.

Further, preferably, two fixing screw holes are formed in the upper static pressure plate, the middle pressure dividing plate and the lower dynamic pressure plate.

Further, preferably, the wire clamp further comprises an insulating protective cover, and the wire clamp hardware fitting is fixed in the insulating protective cover;

the insulation shield comprises an upper cover, a lower box, a flexible connecting belt, an upper cover inner bayonet and a lower box outer bayonet;

one sides of the upper cover and the lower box are connected through a flexible connecting belt; the other sides of the upper cover and the lower box are clamped through an upper cover inner bayonet and a lower box outer bayonet;

preferably, the left side and the right side of the upper part of the upper static pressure plate are both provided with insulation shield bayonets, the insulation shield further comprises two upper shield inner wire clamp bayonets matched with the insulation shield bayonets, and the two upper shield inner wire clamp bayonets are respectively arranged on the inner walls of the left side and the right side of the insulation shield.

Further, preferably, the insulation shield further comprises a dismounting bayonet, and the dismounting bayonet is arranged below the outer bayonet of the lower box.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the device has the advantages of novel structure, convenient use, short time consumption, low labor intensity, low cost, enough safety distance, no restriction on operation space and the like.

(2) The utility model accurately provides the insulating shield type indirect uninterrupted power operation wire clamp device by combining the current indirect operation technology and analyzing the past, current and future indirect uninterrupted power overlapping drainage wire operation technology, and solves the technical problem of indirect uninterrupted power overlapping drainage wires in the future. Through the application, the operation is time-consuming, the operation cost is not increased compared with the current indirect operation technology, and the device has the superior performances of economy, safety and high efficiency compared with other insulating glove operation modes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural schematic diagram of a left view of a wire clamp fitting of the indirect uninterruptible power operation wire clamp device with an insulation shield according to the utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural diagram of an insulation shield of the indirect uninterruptible power operation wire clamp device with the insulation shield of the present invention;

FIG. 4 is an open view of the insulation shield;

fig. 5 is a schematic structural view of the insulating shield after wrapping the wire clamp hardware;

wherein, 1, an upper cover; 2. a box is lowered; 3. a flexible connecting band; 4. the upper cover inner wire clamp bayonet; 5. an inner bayonet of the upper cover; 6. an outer bayonet of the lower box; 7. disassembling the bayonet; 8. an upper static pressure plate; 9. a voltage dividing middle plate; 10. downward pressing a platen; 11. a drainage wire clamping groove; 12. a main conductor clamping groove; 13. fixing screws; 14. a pressure dividing screw; 15. insulating guard shield bayonet socket.

Detailed Description

The present invention will be described in further detail with reference to examples.

It will be appreciated by those skilled in the art that the following examples are illustrative of the utility model only and should not be taken as limiting the scope of the utility model. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "provided" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention are understood according to specific situations.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As shown in fig. 1 to 5, an indirect uninterruptible power operation wire clamp device with an insulation shield comprises a wire clamp hardware fitting; the wire clamp hardware comprises an upper static pressure plate 8, a voltage-dividing middle plate 9 and a lower dynamic pressure plate 10;

the upper static pressure plate 8, the pressure dividing middle plate 9 and the lower movable pressure plate 10 are arranged in sequence from top to bottom;

the upper static pressure plate 8, the pressure-dividing middle plate 9 and the lower movable pressure plate 10 are respectively provided with a fixing screw hole and connected through a fixing screw 13 matched with the fixing screw hole;

the upper static pressure plate 8 and the pressure dividing middle plate 9 are both provided with pressure dividing screw holes which are connected through pressure dividing screws 14 matched with the pressure dividing screw holes;

the right side of the bottom of the upper static pressure plate 8 is provided with a main guide line clamping groove 12; a main guide line clamping groove 12 is correspondingly arranged on the right side of the top of the partial pressure middle plate 9;

a drainage wire clamping groove 11 is formed in the left side of the bottom of the partial pressure middle plate 9; the left side of the top of the lower movable platen 10 is also correspondingly provided with a drainage wire clamping groove 11;

the lower movable platen 10 is further provided with a partial pressure screw operation hole corresponding to the partial pressure screw hole.

Preferably, as shown in fig. 5, two fixing screw holes are provided on the upper static pressure plate 8, the middle pressure dividing plate 9 and the lower dynamic pressure plate 10, but not limited thereto, for example, as shown in fig. 2, there are 3 fixing screw holes.

The wire clamp hardware fitting is fixed in the insulating protective cover;

the insulation shield comprises an upper cover 1, a lower box 2, a flexible connecting band 3, an upper cover inner bayonet 5 and a lower box outer bayonet 6;

one sides of the upper cover 1 and the lower box 2 are connected through a flexible connecting belt 3; the other sides of the upper cover 1 and the lower box 2 are clamped through an upper cover inner bayonet 5 and a lower box outer bayonet 6;

according to the preferred scheme, the left side and the right side of the upper part of the upper static pressure plate 8 are respectively provided with an insulating shield bayonet 15, the insulating shield further comprises an upper shield inner wire clamp bayonet 4 matched with the insulating shield bayonet 15, and the number of the upper shield inner wire clamp bayonets 4 is two and the two upper shield inner wire clamp bayonets are respectively arranged on the inner walls of the left side and the right side of the insulating shield.

Preferably, the insulation shield further comprises a dismounting bayonet 7, and the dismounting bayonet 7 is arranged below the lower box outer bayonet 6.

The insulating shield is a novel electric power insulating accessory obtained by research according to indirect live working operation technology, is mainly used for insulating protection and rainproof protection at the lap joint position of a drainage line of an insulated line, is made of a composite pc material or other neutral insulating materials which are the same as a 10kV insulated wire insulating layer, and is pressed by adopting a mould pressing integral forming technology. The insulating shield can be used for carrying out indirect live-wire work installation with a wire clamp fitting at the same time, and can also be used for carrying out indirect live-wire installation on an installed indirect wire clamp with a corresponding model.

Preferably, the upper static pressure plate 8, the partial pressure middle plate 9 and the lower dynamic pressure plate 10 are all molded by oxidation-resistant high-density aluminum alloy with the same material. The fixing screws 13 and the partial pressure screws 14 are made of corrosion-resistant neutral stainless steel.

The upper static pressure plate 8 is a main component of the whole wire clamp and integrates a fixing screw hole of a fixing screw 13, a partial pressure screw hole of a partial pressure screw 14, a main guide wire clamping groove 12 and an insulation shield bayonet 15 into a whole;

the voltage dividing middle plate 9 is arranged between the upper static pressure plate 8 and the lower dynamic pressure plate 10, the voltage dividing middle plate 9 is fixedly connected with the upper static pressure plate 8 through a voltage dividing screw 14, and main conducting wire clamping grooves 12 symmetrically arranged on the upper static pressure plate 8 and the voltage dividing middle plate 9 are used for clamping a main conducting wire, so that a wire clamp fitting is installed on the conducting wire;

the lower movable platen 10 is connected with the pressure-dividing middle plate 9 and the upper static pressure plate 8 through fixing screws 13; and the drainage thread clamping grooves 11 symmetrically arranged on the partial pressure middle plate 9 and the lower movable plate 10 are used for clamping drainage threads.

The partial pressure screw operation hole is slightly larger than the partial pressure screw hole, so that the partial pressure screw 14 can be operated conveniently.

Preferably, the left side of the bottom of the upper static pressure plate 8 is provided with a groove matched with the left side of the top of the pressure dividing middle plate 9 in shape, and the left side of the top of the lower dynamic pressure plate 10 is provided with a groove matched with the right side of the bottom of the pressure dividing middle plate 9 in shape, so that the whole wire clamp fitting structure is more stable.

The using method comprises the following steps:

when the drainage wire is lapped in an electrified way, the inner bayonet 5 of the upper cover is pried outwards, the insulating shield is opened from the buckling edge, and the lower box 2 is opened backwards, so that the opening angle between the lower box and the upper cover reaches 45-90 degrees. At the moment, the lower box is supported and kept in a flexible manner with slight elasticity due to the action of the flexible connecting belt. Embedding the upper static pressure plate 8 of the wire clamp fitting into the upper insulating shield 1, so that the wire clamp bayonet 4 in the upper shield clamps the insulating shield buckle 15, and realizing the pre-installation of the insulating shield and the wire clamp fitting; the drainage wires can then be lapped using an indirect operation method.

When the insulating guard shield installation is carried out to the fastener gold utensil of original installation, can be used to the same indirect fastener that corresponds the model design or the job site that the fastener position volume is less than insulating guard shield inner space.

The indirect operation method for lapping the drainage wire with the insulating shield comprises the following steps:

in operation, in compliance with hot-line work techniques and safety regulations, an operator may use a climbing tool such as a foot opening to climb a pole and operate the ground potential, or may use a carrying tool such as an insulated arm car to perform short-pole work, and may actually perform safety measures such as insulation shielding. The whole safety distance between the human body and the electrified body is more than 0.4 meter during operation, the effective insulation length of the insulation operating rod is more than 0.7 meter, and the operation is carried out in good weather. The specific operation steps are as follows:

firstly, after arriving at a station, an operator conducts electricity testing and equipment condition checking to ensure normal operation, and insulation stripping and oxide layer cleaning are conducted on a lap joint position;

secondly, stripping off the lap joint end of the drainage wire in an insulating way and preventing the head from being scattered, wherein the measures for preventing the head from being scattered can adopt measures of winding an aluminum tape or reserving a part of insulating layer at the top end and the like;

and thirdly, opening the wire clamp insulating protective cover, opening the lower box to a position which forms an angle larger than 45 degrees with the upper cover, and connecting the lower box of the insulating cover with the upper cover by virtue of a flexible connecting belt. The main screw is firstly loosened and fixed, and then the pressure dividing screw is loosened, so that the upper static pressure plate, the pressure dividing middle plate and the lower movable pressure plate of the wire clamp are separated, and at the moment, the components of the wire clamp hardware fitting are separated but not separated;

fourthly, the device is installed on the drainage wire, the head of the drainage wire is inserted into the drainage wire clamping grooves of the upper static pressure plate and the partial pressure middle plate, the partial pressure screw is tightened to enable the upper static pressure plate and the partial pressure middle plate to clamp the drainage wire, the whole wire clamp fitting is connected to the drainage wire firstly, and the main drainage wire clamping groove which is in an open state is formed between the lower dynamic pressure plate and the partial pressure middle plate and is the lap joint position of the main drainage wire;

and fifthly, carrying out live lapping on the drainage wire, using an insulating operating rod to lock the drainage wire and the wire clamp hardware at a position of 50-100mm, transferring to a main conductor lapping position, and clamping the main conductor lapping position into a main conductor clamping groove which is in an open state between a lower movable platen and a partial pressure middle plate. After the position is confirmed to be correct, the screw is stabilized, the screw is prevented from being disengaged, and the screw is waited to be screwed tightly;

sixthly, an operator uses the insulating operating rod to tightly twist the fixed screw, the drainage wire and the main conducting wire connecting position are tightly held by the upper static pressure plate, the voltage dividing middle plate and the lower dynamic pressure plate under the action of the screw, power supply connection is achieved, and electrical connection is completed. All the screws are stressed in a balanced and uniform speed when being screwed tightly;

seventhly, after the fixing screw is tightly screwed, the insulating lock rod and the insulating operating rod are removed, the drainage wire and the main drainage wire are completely connected by the wire clamp, then the lower box of the insulating shield is upwards jacked by the insulating operating rod, the outer bayonet of the lower box of the insulating shield is buckled with the bayonet in the upper cover, and the insulating operating rod is withdrawn to complete the whole work of indirectly lapping the drainage wire with the insulating cover.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The indirect uninterrupted power operation wire clamp device with the insulating shield is characterized by comprising a wire clamp fitting; the wire clamp fitting comprises an upper static pressure plate (8), a voltage dividing middle plate (9) and a lower dynamic pressure plate (10);

the upper static pressure plate (8), the pressure dividing middle plate (9) and the lower dynamic pressure plate (10) are arranged from top to bottom in sequence;

the upper static pressure plate (8), the pressure dividing middle plate (9) and the lower dynamic pressure plate (10) are respectively provided with a fixed screw hole and are connected through a fixed screw (13) matched with the fixed screw hole;

the upper static pressure plate (8) and the pressure dividing middle plate (9) are respectively provided with a pressure dividing screw hole and are connected through a pressure dividing screw (14) matched with the pressure dividing screw hole;

a main guide line clamping groove (12) is arranged at the right side of the bottom of the upper static pressure plate (8); a main guide line clamping groove (12) is correspondingly arranged on the right side of the top of the partial pressure middle plate (9);

a drainage wire clamping groove (11) is formed in the left side of the bottom of the partial pressure middle plate (9); the left side of the top of the lower movable platen (10) is also correspondingly provided with a drainage wire clamping groove (11);

the lower movable platen (10) is also provided with a partial pressure screw operation hole corresponding to the partial pressure screw hole.

2. The indirect uninterruptible power operation wire clamp device with the insulation shield according to claim 1, wherein two fixing screw holes are formed on the upper static pressure plate (8), the middle pressure dividing plate (9) and the lower dynamic pressure plate (10).

3. The indirect uninterruptible power operation wire clamp device with the insulation shield according to claim 1, further comprising an insulation shield, wherein the wire clamp fitting is fixed in the insulation shield;

the insulation shield comprises an upper cover (1), a lower box (2), a flexible connecting band (3), an upper cover inner bayonet (5) and a lower box outer bayonet (6);

one sides of the upper cover (1) and the lower box (2) are connected through a flexible connecting belt (3); the other sides of the upper cover (1) and the lower box (2) are clamped through an upper cover inner bayonet (5) and a lower box outer bayonet (6).

4. The indirect uninterruptible power operation wire clamp device with the insulation shield according to claim 3, wherein the insulation shield bayonets (15) are arranged on the left and right sides of the upper portion of the upper static pressure plate (8), the insulation shield further comprises two upper shield inner wire clamp bayonets (4) matched with the insulation shield bayonets (15), and the two upper shield inner wire clamp bayonets (4) are respectively arranged on the inner walls of the left and right sides of the insulation shield.

5. The indirect uninterruptible power supply operation wire clamp device with the insulation shield according to claim 3 or 4, wherein the insulation shield further comprises a detaching bayonet (7), and the detaching bayonet (7) is arranged below the outer bayonet (6) of the lower box.

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