Electric leakage tracking test device

Abstract

The utility model belongs to the technical field of tracking test devices, in particular to a tracking test device, which is characterized in that two rubber supporting strips are arranged on the upper surface of an insulating plate, a connecting piece is arranged between the insulating plate and the rubber supporting strips, and the connecting piece is used for adjusting the distance between the two rubber supporting strips; the upper part of the rubber supporting strip is provided with a clamping piece for clamping a to-be-tested plate, and the upper surface of the insulating plate is provided with a supporting piece for adjusting the distance between the two electrodes; the rubber supporting strips are installed on the upper surface of the insulating plate through the connecting pieces, and the connecting pieces are used for adjusting the distance between the two rubber supporting strips, so that the rubber supporting strips can conveniently clamp to-be-tested plates with different widths through the clamping pieces arranged on the upper portions of the rubber supporting strips, the to-be-tested plates are convenient to disassemble and assemble through the clamping pieces, and the supporting pieces installed on the upper surface of the insulating plate are convenient to disassemble and assemble. Therefore, the distance between the two electrodes can be conveniently adjusted by the supporting piece, and the purpose of carrying out electric leakage tracking experiments of different electrode distances on the to-be-tested plate is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the electric leakage track test device technical field, concretely relates to a kind of electric leakage track test device. BACKGROUND

[0002] Electric leakage track test is mainly simulated whether the conductive substance deposited on the surface of solid insulating material (sample) in actual use by different polarity charged components causes the surface of insulating material to creep, breakdown short circuit and fire danger and carries out the inspection.The experimental principle is to apply a voltage between the electrode of specified size on the surface of sample, and drop the conductive liquid of specified drop volume at fixed height and time, to evaluate the leakage resistance of sample surface under the combined action of electric field and humid medium.

[0003] The existing electric leakage track test device is difficult to clamp and position samples of different widths when in use, and it is also difficult to adjust the distance between two electrodes for different electrode distance tests on samples. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of electric leakage track test device for the deficiency of prior art, and the specific technical solutions are as follows:

[0005] A kind of electric leakage track test device, including support plate, and the support frame fixed in support plate back, the upper end of the support frame is fixed with drop tank, the upper surface of the support plate is fixed with insulating plate, and the measured plate is arranged above insulating plate, the upper surface of the measured plate is symmetrically provided with two electrodes, the upper end of the electrode is installed with binding post, the upper surface of the insulating plate is provided with two rubber support strips, the connecting piece is arranged between the insulating plate and rubber support strip, and the connecting piece is used for the distance adjustment of two rubber support strips, the upper part of the rubber support strip is provided with the clamping piece for the clamping of measured plate, the upper surface of the insulating plate is installed with the support piece for the distance adjustment of two electrodes.

[0006] Preferably, the support piece includes the support rod fixed on the upper surface of the insulating plate, the upper end of the support rod is fixed with the electric push rod, the telescopic end of the electric push rod is fixed with the plastic pole base, and the electrode is movably installed in the hole of the plastic pole base, the screw hole is screwed in the side surface of the plastic pole base, the hand screw is made of plastic, and the screw rod end of the hand screw is in contact with the electrode, the guide piece parallel to the telescopic end of the electric push rod is arranged between the support rod and the plastic pole base.

[0007] Preferably, the guide piece includes the guide rod fixed on the side surface of the plastic pole base, and the guide sleeve fixed on the upper end of the support rod, and the guide rod is movably installed in the inside of the guide sleeve.

[0008] Preferably, the clamping piece comprises a plastic clamping plate rotatably mounted on the upper part of the rubber support strip, a torsion spring is mounted outside the rotating shaft of the plastic clamping plate, a rubber clamping wheel is rotatably mounted on the clamping part of the plastic clamping plate, and the rubber clamping wheel is in contact with the upper surface of the to-be-tested plate.

[0009] Preferably, the connecting piece comprises two groups of limiting holes formed on the upper surface of the insulating plate, and three limiting columns integrally formed on the lower surface of the rubber support strip, each group of limiting holes is provided with twenty-seven limiting holes, and the three limiting holes are arranged in a row and correspond to the three limiting columns.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The rubber support strip is mounted on the upper surface of the insulating plate through the connecting piece, and the connecting piece is used for adjusting the spacing of the two rubber support strips, so that the rubber support strip can clamp the to-be-tested plate of different widths through the clamping piece arranged on the upper part, the problem that only the to-be-tested plate of a fixed width can be clamped is solved, the clamping piece is used for facilitating the disassembly of the to-be-tested plate, so that the preparation time of the leakage tracking experiment of the to-be-tested plate is reduced, and the support piece mounted on the upper surface of the insulating plate is used for facilitating the support piece to adjust the spacing of the two electrodes, so that the purpose of the leakage tracking experiment of the to-be-tested plate by the two electrodes with different spacings is achieved.

[0012] 2. The support piece is composed of a support rod, an electric push rod, a plastic electrode seat, a hand screw and a guide piece, the support rod fixed on the upper surface of the insulating plate is used for supporting the electric push rod, the plastic electrode seat fixed on the telescopic end of the electric push rod is used in cooperation with the hand screw to clamp the electrode, so that the lower end of the electrode is in contact with the upper surface of the to-be-tested plate, the electric push rod is used for adjusting the position of the electrode, the leakage tracking experiment of the to-be-tested plate with different spacings is achieved, and the guide piece is mounted between the support rod and the plastic electrode seat, so that the plastic electrode seat is guided through the guide piece when moving, and the stability and accuracy of the electrode when moving are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a structure schematic view of the insulating plate, the rubber support strip and the clamping piece in the utility model;

[0015] Figure 3 It is Figure 1 It is an enlarged structure schematic view of position A in the utility model.

[0016] : 1, support plate; 2, support frame; 3, drip tank; 4, support; 41, support rod; 42, electric push rod; 43, plastic electrode holder; 44, hand screw; 45, guide rod; 46, guide sleeve; 5, electrode; 6, terminal; 7, insulating plate; 8, rubber support strip; 9, clamping piece; 91, plastic clamping plate; 92, torsion spring; 93, rubber clamping wheel; 10, to be measured plate; 11, limiting column; 12, limiting hole. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model is described below with reference to the drawings and embodiments.

[0018] Please refer to Figures 1-3 The embodiment provides the following technical scheme: an electric leakage tracking test device, comprising a support plate 1 and a support frame 2 fixed on the back of the support plate 1, an upper end of the support frame 2 is fixed with a drip tank 3, an upper surface of the support plate 1 is fixed with an insulating plate 7, and a to-be-measured plate 10 is arranged above the insulating plate 7, the upper surface of the to-be-measured plate 10 is symmetrically provided with two electrodes 5, the upper end of the electrode 5 is provided with a terminal 6, the upper surface of the insulating plate 7 is provided with two rubber support strips 8, a connecting piece is arranged between the insulating plate 7 and the rubber support strip 8, and the connecting piece is used for spacing adjustment of the two rubber support strips 8, the upper part of the rubber support strip 8 is provided with a clamping piece 9 for clamping the to-be-measured plate 10, and the upper surface of the insulating plate 7 is provided with a support 4 for spacing adjustment of the two electrodes 5.

[0019] The rubber support strip 8 is installed on the upper surface of the insulating plate 7 through the connecting piece, and the connecting piece is used for spacing adjustment of the two rubber support strips 8, so that the rubber support strip 8 can clamp the to-be-measured plate 10 with different widths through the clamping piece 9 arranged on the upper part, and the problem that only the to-be-measured plate 10 with a fixed width can be clamped is solved, the clamping piece 9 facilitates disassembly and assembly of the to-be-measured plate 10, so that the preparation time of the electric leakage tracking test of the to-be-measured plate 10 is reduced, and the support 4 arranged on the upper surface of the insulating plate 7, so that the support 4 can adjust the spacing of the two electrodes 5, so that the purpose of the electric leakage tracking test of the to-be-measured plate 10 by the two electrodes 5 with different spacings is achieved.

[0020] In this embodiment, the support member 4 includes a support rod 41 fixed to the upper surface of the insulating plate 7. An electric actuator 42 is fixed to the upper end of the support rod 41. A plastic electrode base 43 is fixed to the telescopic end of the electric actuator 42. The electrode 5 is movably installed in the hole opened in the plastic electrode base 43. A hand screw 44 is screwed into the screw hole opened on the side surface of the plastic electrode base 43. The hand screw 44 is made of plastic, and the screw end of the hand screw 44 contacts the electrode 5, thereby fixing the electrode 5 on the plastic electrode base 43. The screw end of the hand screw 44 can be fitted with a rubber sleeve to protect the electrode 5 and prevent damage to the surface of the electrode 5 caused by the fixation of the hand screw 44, thereby further improving the service life of the electrode 5. A guide member parallel to the telescopic end of the electric actuator 42 is provided between the support rod 41 and the plastic electrode base 43.

[0021] The support member 4 consists of a support rod 41, an electric actuator 42, a plastic electrode base 43, a hand-tightening screw 44, and a guide. The support rod 41, fixed to the upper surface of the insulating plate 7, supports the electric actuator 42. The plastic electrode base 43, fixed to the telescopic end of the electric actuator 42, cooperates with the hand-tightening screw 44 to clamp the electrode 5, thereby facilitating the contact between the lower end of the electrode 5 and the upper surface of the test plate 10. The electric actuator 42 is used to adjust the position of the electrode 5, enabling leakage current tracking experiments at different intervals on the test plate 10. The guide is installed between the support rod 41 and the plastic electrode base 43, so that the plastic electrode base 43 is guided when moving, increasing the stability and accuracy of the electrode 5 during movement.

[0022] In this embodiment, the guide includes a guide rod 45 fixed to the side surface of the plastic pole seat 43 and a guide sleeve 46 fixed to the upper end of the support rod 41, and the guide rod 45 is movably installed inside the guide sleeve 46.

[0023] The guide member consists of a guide rod 45 and a guide sleeve 46. The guide rod 45, which is fixed to the side surface of the plastic pole seat 43, is movably installed in the guide sleeve 46, which is fixed to the upper end of the support rod 41. This increases the stability and accuracy of the plastic pole seat 43 when it moves at the telescopic end of the electric actuator 42.

[0024] In this embodiment, the clamping member 9 includes a plastic clamping plate 91 rotatably mounted on the upper part of the rubber support strip 8, a torsion spring 92 is mounted outside the rotation shaft of the plastic clamping plate 91, and a rubber clamping wheel 93 is rotatably mounted on the clamping part of the plastic clamping plate 91, and the rubber clamping wheel 93 is in contact with the upper surface of the plate to be tested 10.

[0025] The clamping piece 9 is composed of a plastic clamping plate 91, a torsion spring 92 and a rubber clamping wheel 93, the torsion spring 92 is arranged on the rotating shaft of the plastic clamping plate 91, the torsion spring 92 is used for torsion of the plastic clamping plate 91, the rubber clamping wheel 93 fixed on the clamping part of the plastic clamping plate 91 is used for clamping the to-be-tested plate 10, and then the end of the to-be-tested plate 10 is arranged between the rubber supporting strips 8 and the clamping piece 9.

[0026] In the embodiment, the connecting piece includes two groups of limiting holes 12 arranged on the upper surface of the insulating plate 7 and three limiting columns 11 integrally formed on the lower surface of the rubber supporting strip 8, each group of limiting holes 12 is provided with twenty-seven limiting holes, and the three limiting holes 12 correspond to the three limiting columns 11.

[0027] The connecting piece is composed of the limiting column 11 and the limiting hole 12, the limiting column 11 integrally formed on the lower surface of the rubber supporting strip 8 is arranged in the limiting hole 12 arranged on the upper surface of the insulating plate 7, each group of limiting holes 12 is provided with twenty-seven limiting holes, and the three limiting holes 12 correspond to the three limiting columns 11, so that the two rubber supporting strips 8 are first arranged at the two ends of the to-be-tested plate 10, then the rubber supporting strips 8 are arranged on the upper surface of the insulating plate 7 through the connecting piece, the limiting column 11 is arranged in the limiting hole 12 according to the position of the limiting hole 12 when the rubber supporting strip 8 is arranged, and the position of the rubber supporting strip 8 on the end of the to-be-tested plate 10 is adjusted.

[0028] In use, the two rubber supporting strips 8 are first clamped at the two ends of the to-be-tested plate 10 through the clamping piece 9, two rows of limiting holes 12 are selected on the upper surface of the insulating plate 7, the limiting column 11 on the lower surface of one rubber supporting strip 8 is arranged in the limiting hole 12, the position of the other rubber supporting strip 8 on the to-be-tested plate 10 is adjusted, the limiting column 11 on the lower surface of the other rubber supporting strip 8 is arranged in the limiting hole 12, the electrode 5 is inserted into the plastic electrode seat 43, and the hand screw 44 is tightened, in experiment, the positive and negative poles of the external power supply are respectively connected to the connecting heads 6 at the upper ends of the two electrodes 5, after the liquid drop tank 3 drops liquid on the upper surface of the to-be-tested plate 10, the liquid drop forms a conductive path between the two electrodes 5.

[0029] The above merely describes a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tracking current testing device, comprising a support plate (1) and a support frame (2) fixed to the back of the support plate (1), wherein a dripping container (3) is fixed to the upper end of the support frame (2), an insulating plate (7) is fixed to the upper surface of the support plate (1), and a test plate (10) is disposed above the insulating plate (7), wherein two electrodes (5) are symmetrically disposed on the upper surface of the test plate (10), and a terminal block (6) is installed at the upper end of the electrodes (5), characterized in that: The upper surface of the insulating plate (7) is provided with two rubber support strips (8), a connecting piece is arranged between the insulating plate (7) and the rubber support strip (8), and the connecting piece is used for spacing adjustment of the two rubber support strips (8), the upper part of the rubber support strip (8) is provided with a clamping piece (9) for clamping a to-be-tested plate (10), and the upper surface of the insulating plate (7) is provided with a support piece (4) for spacing adjustment of the two electrodes (5).

2. A tracking test device according to claim 1, wherein: The support piece (4) comprises a support rod (41) fixed on the upper surface of the insulating plate (7), the upper end of the support rod (41) is fixed with an electric push rod (42), the telescopic end of the electric push rod (42) is fixed with a plastic electrode holder (43), the electrode (5) is movably arranged in the hole of the plastic electrode holder (43), the side surface of the plastic electrode holder (43) is provided with a screw hole, and a hand screw (44) is screwed in the screw hole, the hand screw (44) is made of plastic, the screw rod end of the hand screw (44) is in contact with the electrode (5), and a guide piece parallel to the telescopic end of the electric push rod (42) is arranged between the support rod (41) and the plastic electrode holder (43).

3. A tracking test device according to claim 2, wherein: The guide piece comprises a guide rod (45) fixed on the side surface of the plastic electrode holder (43) and a guide sleeve (46) fixed on the upper end of the support rod (41), and the guide rod (45) is movably arranged in the guide sleeve (46).

4. The electric leakage tracking test device according to claim 1, wherein: The clamping piece (9) comprises a plastic clamping plate (91) rotatably arranged on the upper part of the rubber support strip (8), a torsion spring (92) is arranged outside the rotating shaft of the plastic clamping plate (91), a rubber clamping wheel (93) is rotatably arranged on the clamping part of the plastic clamping plate (91), and the rubber clamping wheel (93) is in contact with the upper surface of the to-be-tested plate (10).

5. The apparatus of claim 1 wherein: the test strip is a 2" x 2" test strip. The connecting piece comprises two groups of limiting holes (12) arranged on the upper surface of the insulating plate (7) and three limiting columns (11) integrally formed on the lower surface of the rubber support strip (8), each group of limiting holes (12) is provided with twenty-seven limiting holes, and the three limiting holes (12) correspond to the three limiting columns (11) in one row.

6. A tracking test device according to claim 2, wherein: The screw rod end of the hand screw (44) is sleeved with a rubber sleeve.

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