CN214409109U - High-voltage test pencil - Google Patents

Abstract

The utility model discloses a high-voltage electroscope, which relates to the technical field of electric power overhaul tools, and comprises an operating rod, a steering mechanism and an electroscope head, wherein the operating rod comprises a plurality of telescopic pipes, the telescopic pipes are of a hollow structure and are sequentially sleeved by the telescopic mechanisms, one end of the steering mechanism is connected with the top of the innermost telescopic pipe, and the other end of the steering mechanism is connected with the bottom of the electroscope head; and simultaneously, the utility model discloses simple structure, convenient operation is fit for using on a large scale.

Description

High-voltage test pencil

Technical Field

The utility model relates to an electric power overhauls instrument technical field, especially relates to a high pressure test pencil.

Background

The test pencil is an electrician's instrument commonly used, at present by the wide application in electric power system, be used for examining high-voltage network transformer substation equipment usually, overhead line, whether the cable is electrified, however, at present because the circuit overhauls the environment comparatively complicacy, high-voltage circuit's the safety that harms measurement personnel very easily of breaking circuit or short circuit, but when examining some high-voltage cable, because test pencil needs directly contact with the cable, and present high pressure test pencil can't stretch out and draw back, it can't rotate to test the electrical head, consequently can't adapt to some complicated maintenance environments.

For example, a "combined high-voltage electroscope" disclosed in chinese patent literature, which is published under publication number CN207488358U, discloses a combined high-voltage electroscope, including an electroscope head and an insulating connecting pipe, a voltage-reducing resistor and a neon bulb connected in the insulating connecting pipe, the electroscope head is connected to the voltage-reducing resistor, a hanging part is arranged outside the insulating connecting pipe, a cap is arranged at the upper end of the insulating connecting pipe, an electroscope is connected to the outer side of the cap, and the electroscope is connected to the voltage-reducing resistor in the insulating connecting pipe through a transmission line. However, the utility model discloses an electricity test pen can't stretch out and draw back, and it can't rotate to test the electricity head simultaneously, consequently can't adapt to some complicated maintenance environments.

Disclosure of Invention

The utility model relates to an overcome at present when examining some high tension cables, owing to test the electrography and need directly contact with the cable, and present high pressure is tested the electrography and can't stretch out and draw back, is tested the first unable rotation that rotates, consequently can't adapt to some complicated maintenance environment scheduling problems, has provided a high pressure and has tested the electrography.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high pressure test pencil, includes action bars, steering mechanism and test the electric head, the action bars includes a plurality of flexible pipes, flexible pipe is hollow structure to loop through telescopic machanism and cup joint, steering mechanism's one end is connected with the top of the flexible pipe of the most inboard, and the other end is connected bottom the test electric head.

The utility model provides a high pressure test pencil includes action bars and test the electricity head to link together action bars and test the electricity head through steering mechanism, make test pencil when using, test the electricity head and can turn to at will, satisfy the demand of complicated circuit maintenance environment, and, the utility model discloses in with the action bars setting by multistage extending structure, when using, a plurality of flexible pipes can be separated from each other, the length of extension action bars has greatly increased the detection range who tests the electricity pen, makes its application more extensive; and simultaneously, the utility model discloses simple structure, convenient operation is fit for using on a large scale.

Preferably, telescopic machanism is including the bayonet lock part that is located the sleeve pipe bottom and being located sleeve pipe lateral wall and bayonet lock part matched with, bayonet lock part including slide the passageway and with slide passageway matched with buckle, the buckle includes spacing post and stopper, the stopper passes through the spring and slides passageway end connection.

The utility model discloses in, telescopic machanism has adopted the spacing mode of elasticity, at first, flexible pipe in the action bars all is in the shrink state, and buckle shrink in the bayonet lock part of sleeve pipe bottom this moment is with in the passageway that slides, and the spring is in compression state this moment, when the action bars need stretch out, outwards pull out inboard flexible pipe, pull to the flexible top of pipe in the outside when inboard flexible pipe, and the buckle is just aligned with the bayonet socket, and the buckle pushes spacing post to the bayonet socket in under the effect of spring thrust this moment, realizes the locking, because the utility model discloses in be equipped with a plurality of flexible pipes, consequently can realize multistage flexible, use when examining the electrography and accomplish, when needing the shrink, can push the buckle inwards according to spacing post this moment, loosen the locking, accomplish the shrink.

Preferably, the top surface of the limiting column is an arc surface.

The cambered surface design is more convenient for the shrinkage of the limiting column.

Preferably, a positioning sliding groove matched with the buckle is arranged at the position of the bayonet on the inner side wall of the extension tube.

The positioning sliding groove is matched with the spring to limit the track of the limiting column when sliding, so that the limiting column does not deviate from the position of the bayonet when sliding.

Preferably, the steering mechanism comprises a connecting pipe and a steering pipe, a groove is formed in the connecting end, located on the steering pipe, of the connecting pipe, and the steering pipe is inserted into the groove and is rotatably connected with the connecting pipe through a plug pin.

Among the steering mechanism, the steering tube is inserted in the groove at the end part of the connecting tube and is rotationally connected with the connecting tube through the plug pin, so that when the steering mechanism is used, relative rotation can be generated between the steering tube and the connecting tube, and the purpose of steering the electroscope head of the electroscope pen is achieved.

Preferably, the end part of the steering pipe connected with the connecting pipe is of an arc structure.

The arc structure makes the steering tube more smooth when rotating.

Preferably, two ends of the steering tube are respectively connected with the top of the innermost telescopic tube and the bottom of the electroscope head through connecting tubes.

The design enables the electricity testing head to generate two-section steering, so that the steering angle of the electricity testing head is larger.

Preferably, the outer side of the extension tube at the outermost side is sleeved with an anti-skidding sleeve.

The antiskid cover makes the test pencil prevent the slippage when using.

Preferably, the top end of the electroscopic head is provided with an electroscopic probe.

The electroscopic probe is used for contacting the electric wire to detect.

Preferably, the material of the operating rod is an insulating material.

Therefore, the utility model discloses following beneficial effect has: the utility model discloses test the electricity head and can turn to at will, satisfy the demand of complicated circuit maintenance environment, and, the action bars is multistage extending structure, and a plurality of flexible pipes can separate each other during the use, and the length of extension action bars has greatly increased the detection range who tests the electrography, makes its application more extensive; and simultaneously, the utility model discloses simple structure, convenient operation is fit for using on a large scale.

Drawings

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

Fig. 2 is a schematic view of the connection section structure of the connection pipe and the steering pipe of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the telescopic mechanism of the present invention.

Fig. 4 is a schematic view of the transverse section structure of the telescopic tube of the present invention.

In the figure: the electric probe comprises an operating rod 1, a steering mechanism 2, a connecting pipe 21, a steering pipe 22, a groove 23, a plug 24, an electricity testing head 3, an electric probe 31, an extension pipe 4, a telescopic mechanism 40, a bayonet part 41, a bayonet 42, a sliding channel 43, a buckle 44, a limiting column 45, a limiting block 46, a spring 47, a positioning sliding groove 48 and an anti-skidding sleeve 5.

Detailed Description

The present invention will be further described with reference to the following detailed description.

Example 1: as shown in fig. 1, the high-voltage electroscope comprises an operating rod 1, a steering mechanism 2 and an electroscope head 3, wherein an electroscope probe 31 is arranged at the top end of the electroscope head 3; the operating rod 1 is made of an insulating material and comprises a plurality of telescopic pipes 4, the telescopic pipes 4 are of a hollow structure and are sequentially sleeved by a telescopic mechanism 40, as shown in fig. 3-4, the telescopic mechanism 40 comprises a bayonet lock part 41 positioned at the bottom of a sleeve and a bayonet 42 positioned on the side wall of the sleeve and matched with the bayonet lock part 41, the bayonet lock part 41 comprises a sliding channel 43 and a buckle 44 matched with the sliding channel 43, the buckle 44 comprises a limiting column 45 and a limiting block 46, the limiting block 46 is connected with the end part of the sliding channel 43 through a spring 47, the top surface of the limiting column 45 is an arc surface, and a positioning sliding groove 48 matched with the buckle 44 is arranged at the bayonet 42 on the inner side wall of each telescopic pipe 4; and an anti-skid sleeve 5 is sleeved outside the extension tube 4 at the outermost side.

As shown in fig. 2, one end of the steering mechanism 2 is connected with the top of the innermost telescopic tube 4, the other end is connected with the bottom of the electroscope head 3, the steering mechanism 2 comprises a connecting tube 21 and a steering tube 22, the connecting tube 21 is located at the connecting end of the steering tube 22 and is provided with a groove 23, the steering tube 22 is inserted in the groove 23 and is rotatably connected with the connecting tube 21 through a bolt 24, the end part of the steering tube 22 connected with the connecting tube 21 is of an arc-shaped structure, and the two ends of the steering tube 22 are respectively connected with the top of the innermost telescopic tube 4 and the bottom of the electroscope head 3 through the connecting tube 21.

The utility model discloses when not using the state, the flexible pipe in the action bars 1 all is in the shrink state, buckle 44 in sleeve pipe bottom bayonet lock part 41 contracts in the slide passageway 43 this moment with, and spring 47 is in the compression state this moment, when using the test pencil, the action bars need extend, outwards pull out the flexible pipe 4 of inboard, when the flexible pipe 4 of inboard is pulled to the top of the flexible pipe of outside, and buckle 44 aligns with bayonet 42, buckle 44 pushes the spacing post 45 into bayonet 42 under the effect of spring thrust this moment, realize the locking, because the utility model discloses in be equipped with a plurality of flexible pipes 4, consequently can realize multistage flexible; meanwhile, when the electroscope head 3 needs to turn, the steering tube 22 is rotated, and the steering tube 22 and the connecting tube 21 can rotate relatively at the moment, so that the aim of turning the electroscope head of the electroscope pen is fulfilled; when the test pencil is used and finished and needs to be contracted, the limit column 45 can be pressed to push the buckle 44 inwards, the locking is released, and the contraction is finished.

Claims (10)

1. The utility model provides a high pressure test pencil which characterized in that includes action bars (1), steering mechanism (2) and tests electric head (3), action bars (1) includes a plurality of flexible pipe (4), flexible pipe (4) are hollow structure to loop through telescopic machanism (40) and cup joint, the one end of steering mechanism (2) is connected with the top of the flexible pipe (4) of the most inboard, and the other end is connected with tests electric head (3) bottom.

2. The high-voltage electroscope as claimed in claim 1, wherein the telescopic mechanism (40) comprises a bayonet part (41) at the bottom of the sleeve and a bayonet (42) at the side wall of the sleeve and matched with the bayonet part (41), the bayonet part (41) comprises a sliding channel (43) and a buckle (44) matched with the sliding channel (43), the buckle (44) comprises a limiting column (45) and a limiting block (46), and the limiting block (46) is connected with the end of the sliding channel (43) through a spring (47).

3. The high-voltage electroscope as claimed in claim 2, wherein the top surface of the limiting column (45) is a cambered surface.

4. The high-voltage electroscope as claimed in claim 2, wherein the bayonet (42) on the inner side wall of the extension tube (4) is provided with a positioning sliding groove (48) matched with the buckle (44).

5. The high-voltage electroscope pen according to claim 1, wherein the steering mechanism (2) comprises a connecting pipe (21) and a steering pipe (22), the connecting end of the connecting pipe (21) on the steering pipe (22) is provided with a groove (23), and the steering pipe (22) is inserted in the groove (23) and is rotatably connected with the connecting pipe (21) through a bolt (24).

6. The high-voltage electroscope as claimed in claim 5, wherein the end of the steering tube (22) connected with the connecting tube (21) is of an arc structure.

7. The high-voltage electroscope according to claim 5, wherein the two ends of the steering tube (22) are respectively connected with the top of the innermost telescopic tube (4) and the bottom of the electroscope head (3) through connecting tubes (21).

8. The high-voltage electroscope according to any one of claims 1 to 7, wherein the outer side of the expansion tube (4) at the outermost side is sleeved with an anti-slip sleeve (5).

9. The high-voltage electroscope pen according to any one of claims 1 to 7, wherein the top end of the electroscope head (3) is provided with an electroscope probe (31).

10. The high voltage electroscope of any one of claims 1 to 7, wherein the operating rod is made of an insulating material.

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