CN216285429U - Pressure-resistant test pressurization line for T-head cable - Google Patents

Abstract

The utility model discloses a pressure test pressurization line for a T-head cable, which comprises a pressurization connector, wherein the pressurization connector comprises a first shell and a second shell, the first shell is provided with an accommodating cavity, and the accommodating cavity can be matched with a conductive part of the T-head cable, so that the pressurization connector is fixed on the T-head cable; the second shell is connected with a lead. And the connecting piece is connected to the other end of the lead and is used for being movably connected with external pressurizing equipment. The conductive part of the pressurizing connector head and the T-head cable is effectively matched, so that the problems that pressurizing is inconvenient and electricity leakage is easy to occur in a withstand voltage test are solved. The labor intensity and the operation risk of testing personnel are reduced, the testing efficiency is improved, and the safety of the T-head cable pressure-resistant test and the accuracy of test data are ensured.

Description

Pressure-resistant test pressurization line for T-head cable

Technical Field

The utility model relates to the field of cable line testing, in particular to a voltage-withstanding test pressurizing line for a T-head cable.

Background

The existing withstand voltage test method is to strip out the copper core of the commonly used test wire, wind the copper core on the screw rod of the T-head cable and then carry out a pressure test, but the operation of winding the copper core on the screw rod of the T-head cable is very inconvenient, not only takes a long time, but also has unreliable contact, and if the copper core is hard, the inner wall of the T-head cable can be scratched to cause insulation damage during winding. Secondly, the insulation problem cannot be reliably solved when the test wire is contacted at the T-shaped port, the leakage current is large during the test, and the test safety and the data accuracy cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressure test pressure line for a T-head cable, which solves the problems of inconvenient pressure and easy electricity leakage in a pressure test by arranging a pressure connecting head to effectively match with a conductive part of the T-head cable.

The utility model is realized by the following technical scheme:

a withstand voltage test adds line for T head cable includes

The pressure connector comprises a first shell and a second shell, the first shell is provided with an accommodating cavity, and the accommodating cavity can be matched with the conductive part of the T-head cable, so that the pressure connector is fixed on the T-head cable; the second shell is connected with a lead; and

and the connecting piece is connected to the other end of the lead and is used for being movably connected with external pressurizing equipment. Through the design that increases the connector can contact with T first cable better, improve for the copper line winding and safer experimental mode.

Further, the T-head cable is provided with a hole groove, the shape of the first shell is matched with the shape of the hole groove, and when the first shell is embedded into the hole groove, the second shell is located outside the hole groove relative to the first shell. First casing carries out the embedding contact with T head cable, and the outside is stayed to the second casing makes things convenient for the laboratory technician to take out.

Further, the conductive member is located inside the hole groove, and the diameter of the opening of the accommodating cavity is matched with that of the conductive member. The conductive part can enter the accommodating cavity, and a good use effect is achieved.

Further, the conductive component is a screw; the inner wall of the accommodating cavity is provided with an internal thread which can form a fit with the external thread of the screw rod. Make the two carry out screw-thread fit, can fix the pressurization connector better for the experiment is more stable when the circular telegram, can not take place for example the drop and the electric leakage phenomenon that can appear when twining the copper line, improves stability and security greatly.

Further, the second shell comprises a connecting portion and an opening portion, the connecting portion is used for being fixedly connected with the first shell, and the opening portion is fixedly connected with the conducting wire. The second housing is used for holding and facilitating the embedding operation, and the connecting wire of the second housing is used for conducting electricity.

Further, the outer surface of the second housing is surrounded by a plurality of construction lines in the direction from the connecting portion to the opening portion.

Further, the construction line is gradually inclined along the central axis direction of the second housing in a direction from the connecting portion to the opening portion. The second casing carries out the slope design, makes things convenient for the experimenter to hold when material saving.

Furthermore, the starting point of one side of the construction line close to the central axis of the second shell is connected with the end surface of the connecting part or the outer edge of the surface; the inclined terminal point of one side of the construction line close to the central axis of the second shell is connected with the end surface of the opening part or the outer edge of the surface.

Further, the outer surfaces of the first shell and the second shell are both provided with insulating layers. The laboratory staff is prevented from being electrified when in operation.

Further, the connecting piece has a bent tip. The bent tip can be movably connected with external pressurizing equipment, and is convenient to insert and take out, so that the whole experiment is more convenient and faster.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the utility model is an integrally formed test wire, and has the advantages of convenience, convenience in operation, reliable connection, safety and stability. The labor intensity and the operation risk of testing personnel can be greatly reduced, the testing efficiency is improved, and the safety of the T-head cable pressure-resistant test and the accuracy of test data are ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic view of a pressurized connecting wire according to the present invention;

fig. 2 is a schematic diagram of the pressurized connection line and the T-head cable provided by the present invention.

Reference numbers and corresponding part names in the drawings:

1-first shell, 11-containing cavity, 13-internal thread, 2-second shell, 3-insulating layer, 4-connecting piece, 5-screw, 6-lead, 7-external pressure device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "substantially", "essentially", and the like are intended to indicate that the relative terms are not required to be absolutely exact, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and some deviation generally exists. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1, the embodiment provides a pressure resistance test pressure line for a T-head cable, including a pressure connector, where the pressure connector includes a first housing 1 and a second housing 2, the first housing 1 has an accommodating cavity 11, and the accommodating cavity 11 can be matched with a conductive component of the T-head cable, so that the pressure connector is fixed on the T-head cable; the second shell 2 is connected with a lead 6; and the connecting piece 4 is connected to the other end of the lead 6, and the connecting piece 4 is movably connected with external pressurizing equipment. When the pressurizing connector is contacted with the T-head cable, a good matching effect can be achieved. Except can stabilizing the contact, can reach good experimental effect, can also avoid causing the electric leakage accident to cause harm to the experimenter because of not hard up coming off etc..

In order to achieve the above design, the first housing 1 and the second housing 2 are made of metal materials with good conductive effect. In the present embodiment, the first housing 1 and the second housing 2 are made of copper in a common environment. The first shell 1 is arranged to be of a hollow structure, an accommodating cavity 11 is formed, the accommodating cavity 11 is used for accommodating a conductive part of a T-head cable, and therefore good contact effect is achieved, contact area is increased, and the conductive effect is better. The first housing 1 and the second housing 2 may be separately provided, or may be integrally provided in the production process, which is not limited in this embodiment. It is only necessary that the second housing 2 forms a stable connection with the first housing 1. The cross-sectional pattern of the connecting part of the second shell 2 and the first shell 1 is approximately the same, and the connecting parts can be better matched with each other. An insulated wire 6 is fixedly connected to one end of the second shell 2 far away from the connecting part, in the embodiment, a copper wire is arranged on the inner side of the wire 6, and the insulated wire has good conductivity; the outer side is made of high-voltage-resistant insulating material, so that the insulating material has good insulating property. The other end of the wire 6 is provided with a connector 4 for connecting an external pressurizing device so that the current forms a path.

Referring to fig. 2, in practice, T-head cables were tested and each of the T-head cables included a slot. In this embodiment, therefore, the first housing 1 is shaped to fit the shape of a cylinder of a slot shape, and has a length approximately equal to the slot shape and a diameter just enough to allow the first housing 1 to smoothly enter the slot. The diameter of the second housing 2 should also be substantially the same as the diameter of the first housing 1. However, due to the fixed connection, when the first housing 1 enters the hole slot, the second housing 2 is located outside the hole slot relative to the first housing 1, so that an experimenter can conveniently hold the second housing 2 to operate the first housing 1.

And a screw rod 5 for fixing the T-head cable is further arranged in the hole groove, and the T-head cable is electrified through the screw rod 5 during the experiment. In order to achieve a better connection and fixing effect, the receiving cavity 11 should have a diameter adapted to the screw 5 and a depth greater than the length of the screw 5, so as to form a good fit with the screw 5. Wherein, because the screw 5 is provided with an external thread, the accommodating cavity 11 is further provided with an internal thread 13 which can be matched with the external thread of the screw 5. The experimenter will when the pressurization connector stretches into the hole groove, through rotatory outside second casing 2, alright make this embodiment through screw-thread fit and T head cable fixed together, avoid taking place the electric leakage incident because contact failure.

Further, the second housing 2 includes a connection portion connected to the first housing 1, and an opening portion connected to the insulated wire 6. The insulated wire 6 is fixedly connected to the insulated wire 6, and may be connected by any connection method, such as clamping, welding, etc., which can allow an end of the insulated wire 6 to contact the metal portion of the second housing 2. The outer surface of the second housing 2 is surrounded by a plurality of construction lines in the direction from the connecting portion to the opening portion. And taking a connecting line between the midpoint of the connecting part and the midpoint of the opening part as the central axis of the second shell 2, and gradually inclining the structural line along the central axis of the second shell 2 along the direction from the connecting part to the opening part.

Specifically, the starting point of the construction line, which is inclined at one side close to the central axis of the second housing 2, is connected with the end surface of the connecting part or the outer edge of the end surface; the inclined end point of the construction line close to the central axis of the second shell 2 is connected with the end surface of the opening part or the outer edge of the surface. The side of the second shell 2 is of an inclined structure, so that materials are saved, and the experiment personnel can conveniently carry out handheld operation. The outer surfaces of the first housing 1 and the second housing 2 are both provided with an insulating layer 3, and different high-voltage-resistant insulating materials are selected according to different voltage conditions, which is not limited in this embodiment.

In order to improve convenience, the connecting piece 4 connected with the external pressurizing equipment is arranged in a crescent shape, and the crescent shape is provided with a bent tip and can be movably connected with the external pressurizing equipment. When the insulated wire 6 is straightened, a stable connection can be formed. And the disassembly is also very convenient.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a withstand voltage test adds line for T head cable which characterized in that includes:

the pressure connector comprises a first shell and a second shell, the first shell is provided with an accommodating cavity, and the accommodating cavity can be matched with a conductive part of a T-head cable, so that the pressure connector is fixed on the T-head cable; the second shell is connected with a lead; and

and the connecting piece is connected to the other end of the lead and is used for being movably connected with external pressurizing equipment.

2. The pressure resistance test pressurizing line for the T-head cable as claimed in claim 1, wherein the T-head cable is provided with a hole groove, the shape of the first shell is matched with the shape of the hole groove, and when the first shell is embedded into the hole groove, the second shell is positioned outside the hole groove relative to the first shell.

3. The pressure resistance test pressurizing line for the T-head cable as claimed in claim 2, wherein the conductive member is located inside the hole groove, and the diameter of the opening of the accommodating cavity is matched with that of the conductive member.

4. The withstand voltage test voltage line for the T-head cable according to claim 3, wherein the conductive member is a screw; the inner wall of the accommodating cavity is provided with an internal thread, and the internal thread can be matched with the external thread of the screw rod.

5. The withstand voltage test voltage adding wire for the T-head cable as recited in claim 1, wherein the second housing comprises a connecting portion and an opening portion, the connecting portion is fixedly connected with the first housing, and the opening portion is fixedly connected with the conducting wire.

6. The pressure-resistance test pressurizing line for a T-head cable as claimed in claim 5, wherein the outer surface of the second housing is surrounded by a plurality of construction lines in the direction from the connecting portion to the opening portion.

7. The pressure-resistance test pressurizing line for a T-head cable as claimed in claim 6, wherein the construction line is gradually inclined along the central axis direction of the second housing in the direction from the connecting portion to the opening portion.

8. The pressure resistance test pressurizing line for the T-head cable as claimed in claim 7, wherein the starting point of the construction line inclined at one side close to the central axis of the second shell is connected with the end face of the connecting part or the outer edge of the end face; and the inclined terminal point of one side of the construction line close to the central axis of the second shell is connected with the end surface of the opening part or the outer edge of the surface.

9. The withstand voltage test voltage adding wire for the T-head cable as recited in claim 1, wherein the outer surfaces of the first shell and the second shell are provided with insulating layers.

10. The withstand voltage test voltage line for the T-head cable according to claim 3, wherein the connector has a bent tip.

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