CN214851940U - Cable insulation test discharging device - Google Patents

Abstract

The utility model discloses a cable insulation tests discharge device, including the discharge rod, the discharge rod includes the insulating body of rod, installs the discharge needle on the insulating body of rod and the earth connection of being connected with the discharge needle, be provided with the spout on the insulating body of rod, be provided with the slider in the spout, the discharge needle leaks to be equipped with insulating protective sheath at the external part cover of insulating rod, insulating protective sheath passes through the insulating part with the slider and is connected. The utility model discloses be provided with insulating protective sheath on the discharge electrode of discharge electrode, can play the protection to the discharge electrode on the one hand, on the other hand also can prevent that the discharge electrode from stabbing operating personnel, causes personnel's damage, and wherein insulating protective sheath passes through the insulating part and connects on the insulating body of rod, can avoid insulating protective sheath and discharge electrode main part to separate, avoids insulating protective sheath to lose.

Description

Cable insulation test discharging device

Cable insulation test discharging device

Technical Field

The utility model relates to the technical field of cables, especially cable insulation tests discharge device.

Background

The cable insulation test discharge device with the protection device is particularly important because the discharge rod is generally adopted in the existing discharge device, the discharge needle at the front end of the discharge rod is thin, the risk is easily caused by mistake, operators are accidentally injured, and the discharge needle is easily worn and damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art discharge needle and expose outside, the easy shortcoming of accidentally injuring operating personnel provides cable insulation nature test discharge device.

The purpose of the utility model is realized through the following technical scheme:

cable insulation nature test discharge apparatus, including the discharge rod, the discharge rod includes the insulating body of rod, installs the discharge needle on the insulating body of rod and the earth connection of being connected with the discharge needle, be provided with the spout on the insulating body of rod, be provided with the slider in the spout, the discharge needle leaks and is equipped with insulating protective sheath at the partial cover outside the insulating body of rod, insulating protective sheath passes through the insulating part with the slider and is connected.

Preferably, the insulating member is provided with a mounting hole, and the slider is provided with a connecting post inserted into the mounting hole.

Preferably, the grounding wire is provided with a cable clamp, the cable clamp comprises a contact ring which is used for being in contact with a cable, a first opening is formed in the contact ring, and a guide portion is arranged at the first opening.

Preferably, the number of the guide portions is two, the two guide portions are respectively connected to two ends of the first opening, and the distance between the two guide portions decreases in the direction approaching the first opening.

Preferably, an operating arm is arranged at one end of each guide part, which is far away from the first opening, and the operating arms corresponding to the two guide parts are arranged in a shape like a Chinese character 'ba'.

Preferably, the cable clamp further comprises a reinforcing ring, a second opening is formed in the reinforcing ring, and two ends of the second opening are fixed to the guide portion respectively.

Preferably, a sleeve is arranged on the grounding wire close to the cable clamp, a sliding sleeve is arranged on the sleeve, and supporting rods are arranged between the sliding sleeve and the two operating arms.

Preferably, the sleeve is provided with a groove, the sliding sleeve is provided with a convex point matched with the groove, and the sliding sleeve can slide on the sleeve and is limited through the groove and the convex point.

The utility model has the advantages of it is following:

be provided with insulating protective sheath on the discharge electrode of discharge electrode, can play the protection to the discharge electrode on the one hand, on the other hand also can prevent that the discharge electrode from stabbing operating personnel, causes personnel's damage, and wherein insulating protective sheath passes through the insulating part and connects on the insulating body of rod, can avoid insulating protective sheath and discharge electrode main part to separate, avoids insulating protective sheath to lose.

Through the setting of spliced pole and mounting hole for the insulating part can rotate around the spliced pole, thereby makes insulating protective sheath keep away from the discharge needle, avoids the work that existence of insulating protective sheath hinders the discharge needle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

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

Fig. 3 is a schematic structural view of the cable clamp.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

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

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

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 the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, 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 reference is made must have a specific position, 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," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The cable insulation test discharging device comprises a discharging rod, the discharging rod comprises an insulating rod body 1, a discharging needle 2 installed on the insulating rod body 1 and a grounding wire 3 connected with the discharging needle 2, a sliding groove is formed in the insulating rod body 1, a sliding block is arranged in the sliding groove, an insulating protective sleeve 4 covers the part, leaking out of the insulating rod body 1, of the discharging needle 2, and the insulating protective sleeve 4 is connected with the sliding block through an insulating piece 5.

In this embodiment, be provided with insulating protective sheath 4 on the discharge needle 2 of discharge rod, can play the protection to discharge needle 2 on the one hand, on the other hand also can prevent that discharge needle 2 from stabbing operating personnel, causes personnel's damage, and wherein insulating protective sheath 4 passes through the insulating part and connects 5 on insulating body of rod 1, can avoid insulating protective sheath 4 and discharge rod main part to separate, avoids insulating protective sheath 4 to lose. The slider slides in the spout, can drive the protective sheath and slide along discharge needle 2, and when the slider slided the assigned position, the protective sheath can break away from with discharge needle 2, and discharge needle 2 can carry out work.

In this embodiment, the insulating member may be provided with a mounting hole, and the slider may be provided with a connection post inserted into the mounting hole. The spliced pole can insert in the mounting hole, and the end of spliced pole can be provided with limit structure, avoids insulating part and slider to break away from. Through the setting of spliced pole and mounting hole for the insulating part can rotate around the spliced pole, thereby makes insulating protective sheath 4 keep away from discharge needle 2, avoids the existence of insulating protective sheath 4 to hinder discharge needle 2's work.

In this embodiment, the ground wire 3 may be provided with a cable clamp 6, the cable clamp 6 includes a contact ring 61 for contacting with a cable, the contact ring 61 is provided with a first opening, and the first opening is provided with a guide portion 62.

The current anchor clamps that use more generally are the crocodile clamp, and area of contact is less when the crocodile clamp contacts with the cable for the centre gripping of cable is stable inadequately, often not hard up, so this embodiment improves the cable clamp.

Be provided with contact ring 61 in the cable clamp 6 of this embodiment, during the centre gripping cable, can make the cable follow breach entering contact ring 61 in, contact ring 61 can fully contact with the cable, and the centre gripping is firm. The guide portion 62 plays a guiding role, and facilitates the cable to pass through the notch.

In this embodiment, there may be two guide portions 62, which are respectively connected to two ends of the first opening, and the distance between the two guide portions 62 decreases in sequence along the direction approaching the first opening, and the cable enters the contact ring 61 from between the two guide portions 62 along the guide portions 62.

In this embodiment, an operating arm 63 may be disposed at an end of the guiding portion 62 away from the first opening, and the operating arms 63 corresponding to the two guiding portions 62 are disposed in a shape of a Chinese character 'ba'.

In order to ensure that the connection between the cable and the cable clamp 6 is stable, the contact ring 61 needs to be in full contact with the cable as much as possible, the contact ring 61 and the first opening cannot be too large, the operating arm 63 is arranged in order to ensure that the cable can smoothly pass through the opening and can be adapted to the cable with larger size, and by utilizing the lever principle, when the tail ends of the two operating arms 63 are close to each other by force, the first opening on the contact ring 61 can be enlarged, so that the cable can enter conveniently.

In this embodiment, the cable clamp may further include a reinforcing ring 64, and the reinforcing ring 64 is provided with a second opening, and two ends of the second opening are respectively fixed to the guiding portion 62.

After long-term use, the opening may gradually increase, and after the reinforcing ring 64 is added, the reinforcing ring 64 can provide a support for the contact ring 61, so that the structure of the contact ring is more stable, and the service life is prolonged.

In this embodiment, be close to can be provided with the sleeve on the earth connection of cable clamp 6, be provided with sliding sleeve 71 on the sleeve 7, sliding sleeve 71 and two all be provided with bracing piece 8 between the operation arm 63, bracing piece 8 plays the effect of supporting operation arm 63, further stabilizes cable clamp 6's structure.

In this embodiment, can be fluted on the sleeve 7, sliding sleeve 71 is last have with the bump of recess looks adaptation, sliding sleeve 71 can slide on sleeve 7 and carry on spacingly through recess and bump, can be according to the condition of cable clamp 6 during the use, removes sliding sleeve 71 and fixes it in suitable position on sleeve 7, and when the deformation of cable clamp 6 was serious gradually, sliding sleeve 71 can be to the direction removal that is close to contact ring 61, increases the support dynamics.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. Cable insulation test discharge device, including the discharge rod, its characterized in that: the discharge rod comprises an insulating rod body, a discharge needle and a grounding wire, wherein the discharge needle is installed on the insulating rod body, the grounding wire is connected with the discharge needle, a sliding groove is formed in the insulating rod body, a sliding block is arranged in the sliding groove, the part of the discharge needle, which is exposed out of the insulating rod body, is covered with an insulating protective sleeve, and the insulating protective sleeve is connected with the sliding block through an insulating piece.

2. The cable insulation test discharge apparatus according to claim 1, wherein: the insulating part is provided with a mounting hole, and the sliding block is provided with a connecting column inserted into the mounting hole.

3. The cable insulation test discharge apparatus according to claim 1, wherein: the grounding wire is provided with a cable clamp, the cable clamp comprises a contact ring which is used for being in contact with a cable, a first opening is formed in the contact ring, and a guide portion is arranged at the first opening.

4. The cable insulation test discharge apparatus according to claim 3, wherein: the guide parts have two, connect respectively at first open-ended both ends, and reduce in proper order along the distance between two guide parts of the direction that is close to first open-ended.

5. The cable insulation test discharge apparatus according to claim 4, wherein: the one end that the first opening was kept away from to the guide part is provided with the operating arm, and the operating arm that two guide parts correspond is "eight" font setting.

6. The cable insulation test discharge apparatus according to claim 5, wherein: the cable clamp further comprises a reinforcing ring, a second opening is formed in the reinforcing ring, and two ends of the second opening are fixed to the guide portion respectively.

7. The cable insulation test discharge apparatus according to claim 6, wherein: be close to be provided with the sleeve on the earth connection of cable clamp, be provided with the sliding sleeve on the sleeve, sliding sleeve and two all be provided with the bracing piece between the operation arm.

8. The cable insulation test discharge apparatus according to claim 7, wherein: the sleeve is provided with a groove, the sliding sleeve is provided with a convex point matched with the groove, and the sliding sleeve can slide on the sleeve and is limited through the groove and the convex point.

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