An outdoor gap breakdown characteristic test device

Abstract

The invention discloses an outdoor type gap breakdown characteristic test device, comprising a base, wherein a vertical rod 1 and a vertical rod 2 are arranged on the base, the vertical rod 1 is statically connected to the base, the vertical rod 2 is slidably connected to the base, a driving mechanism 1 for driving the vertical rod 2 to approach or move away from the vertical rod 1 is arranged on the base 2, a scale is arranged on the base, a pointer pointing to the scale is statically connected to the vertical rod 2, gap rod bodies are detachably connected to the vertical rod 1 and the vertical rod 2, and the central axes of the two gap rod bodies are located in the same straight line. The invention can accurately control the gap between the gap rod bodies, and realize the convenience and scientificity of the neutral point protection gap breakdown characteristic test of the power equipment.

Description

Technical Field

[0001] The invention relates to the technical field of gap breakdown, in particular to an outdoor gap breakdown characteristic test device. Background Art

[0002] At present, when conducting power frequency breakdown voltage characteristic test or impulse (lightning, operation) breakdown voltage characteristic test of neutral point protection gap of power equipment in high voltage test hall, temporary simple test frame is usually built manually. After test personnel manually adjust the spacing of protection gap, the distance is visually measured with ruler. The operation error is large, and the accuracy of gap distance has a great influence on the breakdown characteristic of protection gap. In addition, after multiple breakdowns, the end of protection gap will be uneven and attached with ablation marks, which also greatly affects the judgment of test personnel on the breakdown characteristic of protection gap. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide an outdoor gap breakdown characteristics test device to address the deficiencies in the prior art, which can accurately control the gap between the gap rods and achieve the convenience and scientificity of the neutral point protection gap breakdown characteristics test of power equipment.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] An outdoor gap breakdown characteristic test device comprises a base, wherein a vertical rod 1 and a vertical rod 2 are arranged on the base, the vertical rod 1 is statically connected to the base, the vertical rod 2 is slidably connected to the base, a driving mechanism 1 for driving the vertical rod 2 to approach or move away from the vertical rod 1 is arranged on the base 2, a scale is arranged on the base, a pointer pointing to the scale is statically connected to the vertical rod 2, gap rods are detachably connected to the vertical rod 1 and the vertical rod 2, and the central axes of the two gap rods are located on the same straight line.

[0006] Furthermore, the base is a hollow structure, a moving block is inserted into the base, the second vertical rod is statically connected to the moving block, a clearing hole for the movement of the second vertical rod is provided on the base, the driving mechanism includes a screw, the screw is threadedly connected to the moving block, one end of the screw is connected to the right-angle turner, the other end of the right-angle turner is connected to the rotating shaft, and the rotating shaft passes through the side wall of the base and is connected to the star-shaped handle.

[0007] Furthermore, movable plate one and movable plate two are respectively arranged on the vertical rod one and the vertical rod two, and a distance sensor is arranged on the movable plate one, and an emission point of the distance sensor is on the same vertical plane as the end face of the gap rod body on the vertical rod one, and the movable plate two corresponds to the distance sensor, and an end face of the movable plate two is on the same vertical plane as the end face of the gap rod body on the vertical rod two.

[0008] Furthermore, baffles are respectively arranged on the movable plate 1 and the movable plate 2, and the baffles are in contact with the end faces of the gap rods. Driving mechanisms 2 for driving the baffles to contact or separate from the gap rods are respectively arranged on the vertical rod 1 and the vertical rod 2.

[0009] Furthermore, the driving mechanism 2 includes a movable frame respectively arranged on the vertical rod 1 and the vertical rod 2, the vertical rod 1 and the vertical rod 2 are provided with a socket 1 for the movable frame to move, the vertical rod 1 and the vertical rod 2 are threadedly connected with a bolt 1 that can fix the movable frame, the movable plate 1 and the movable plate 2 are respectively statically connected with an insertion rod, the insertion rod is inserted into the movable frame, and the movable frame is provided with a bolt 2 for fixing the insertion rod.

[0010] The beneficial effects of the present invention are:

[0011] 1. The present invention provides an outdoor gap breakdown characteristic test device. By turning the star-shaped handle, the distance between the vertical rod one and the vertical rod two is controlled with reference to the scale, and then the distance between the two gap rods is controlled. The control is accurate and convenient; the gap rods are detachably connected to the vertical rods one and the vertical rods two, so that the gap rods can be replaced conveniently.

[0012] 2. The baffle is in contact with the end face of the gap rod. At this time, the end face of one gap rod and the emitting point of the distance sensor are in the same vertical plane, and the end face of the other gap rod and the end face of the second movable plate are in the same vertical plane. At this time, the measurement result of the distance sensor is the distance between the end faces of the two gap rods. By moving the insertion rod and the movable frame, the baffle can be moved away from the gap rod to prevent the baffle from affecting the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a first embodiment of the present invention;

[0014] Figure 2 is a structural schematic diagram of a driving mechanism 1;

[0015] Figure 3 It is a structural schematic diagram of a second embodiment of the present invention;

[0016] Figure 4 is a structural schematic diagram of a second driving mechanism;

[0017] Figure 5 It is a schematic diagram of the position of the driving mechanism 2 during the test;

[0018] Among them, 1-base, 2-vertical rod one, 3-vertical rod two, 4-scale, 5-gap rod, 6-moving block, 7-screw, 8-right angle turner, 9-rotating shaft, 10-star handle, 11-moving plate one, 12-moving plate two, 13-distance sensor, 14-baffle, 15-moving frame, 16-bolt one, 17-insertion rod, 18-bolt two, 19-pointer, 20-bolt three. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, not all of the embodiments. Based on the embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Embodiment 1

[0021] like Figure 1-2 The first embodiment of the present invention is shown, which is an outdoor gap breakdown characteristic test device, including a base 1. The base 1 is a rectangular shell structure. A moving block 6 is inserted into the base 1. The moving block 6 fits the inner wall around the base 1. Universal brake wheels are installed at the four corners of the bottom surface of the base 1. A vertical rod 1 2 and a vertical rod 2 3 are arranged on the base 1. The vertical rod 1 2 and the vertical rod 2 3 are both made of epoxy resin material. The vertical rod 1 2 is vertically bonded to the base 1, and the vertical rod 2 3 is vertically bonded to the moving block 6. A driving mechanism 1 is arranged on the base 1 to drive the vertical rod 2 3 to move closer to or away from the vertical rod 1 2. A clearing hole for the vertical rod 2 3 to move is processed on the base 1. The driving mechanism 1 includes a screw 7. Figure 2 As shown, the screw rod 7 is threadedly connected to the moving block 6, one end of the screw rod 7 is connected to the right angle turner 8, and the other end is installed with a bearing seat. The bearing seat and the right angle turner 8 are fixedly installed in the base 1. The other end of the right angle turner 8 is connected to the shaft 9, and the shaft 9 passes through the side wall of the base 1 and is connected to the star handle 10. At this time, the screw rod 7 can be driven to rotate by twisting the star handle 10, and the screw rod 7 drives the moving block 6 to move inside the base 1, thereby driving the vertical rod 2 3 to move. A scale 4 is set on the base 1, and a pointer 19 pointing to the scale 4 is bonded to the vertical rod 2 3. The distance between the vertical rod 1 2 and the vertical rod 2 3 can be accurately grasped by referring to the position pointed by the pointer 19. The gap rod 5 can be detachably connected to the vertical rod 1 2 and the vertical rod 2 3 respectively. Through holes for inserting the gap rod 5 are processed on the vertical rod 1 2 and the vertical rod 2 3. Threaded holes vertically connected to the through holes are processed on the tops of the vertical rod 1 2 and the vertical rod 2 3. Bolts 3 20 are installed in the threads of the threaded holes. The gap rod 5 can be fixed by screwing the bolts 3 20 downward. The central axes of the two gap rods 5 are located on the same straight line.

[0022] The end of the gap rod 5 can be customized, including a semicircular end with a cross-sectional area consistent with the cross-sectional area of ​​the gap rod 5, or a hemispherical end with a cross-sectional area exceeding the cross-sectional area of ​​the gap rod 5. The protective gap rod 5 and the protective gap end are made of the same material, both of copper-aluminum alloy.

[0023] Embodiment 2

[0024] like Figure 3-4 The second embodiment of the present invention is shown in FIG. 1 . The difference between this embodiment and the first embodiment is that a movable frame 15 is respectively provided on the vertical rod 1 2 and the vertical rod 2 3. Figure 4 As shown, a socket one for moving the mobile frame 15 is provided on the vertical rod 1 2 and the vertical rod 2 3, a bolt one 16 capable of fixing the mobile frame 15 is threadedly connected on the vertical rod 1 2 and the vertical rod 2 3, a socket is provided on the mobile frame 15, a plug rod 17 is inserted into the socket, a bolt two 18 capable of fixing the plug rod 17 is threadedly connected on the mobile frame 15, the plug rod 17 located on the vertical rod 1 2 is statically connected to the mobile plate 1 11, the plug rod 17 located on the vertical rod 2 3 is statically connected to the mobile plate 2 12, a distance sensor 13 is installed on the mobile plate 11, and baffles 14 are respectively bonded to the mobile plate 11 and the mobile plate 2 12.

[0025] When in use, first install the two gap rods 5 on the vertical rod 1 2 and the vertical rod 2 3, move the insertion rod 17 and the moving frame 15, so that the baffle 14 fits the end surface of the gap rod 5, as shown in FIG. Figure 3 As shown, at this time, the emission point of the distance sensor 13 and the end face of the gap rod 5 located on the vertical rod 1 2 are in the same vertical plane, the movable plate 2 12 corresponds to the distance sensor 13, the end face of the movable plate 2 12 and the end face of the gap rod 5 located on the vertical rod 2 3 are in the same vertical plane, and the reading of the distance sensor 13 is the distance between the opposite end faces of the two gap rods 5. By turning the star-shaped handle 10, the distance between the opposite end faces of the two gap rods 5 can be accurately adjusted.

[0026] After the distance adjustment is completed, loosen the bolt 16 and the bolt 2 18, move the insertion rod 17 and the moving frame 15, and then tighten the bolt 16 and the bolt 2 18. Figure 5 As shown, the baffle 14 will not affect the test at this time.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in the field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An outdoor gap breakdown characteristic test device, characterized in that , comprising a base (1), wherein a vertical rod 1 (2) and a vertical rod 2 (3) are arranged on the base (1), wherein the vertical rod 1 (2) is statically connected to the base (1), and the vertical rod 2 (3) is slidably connected to the base (1), and a driving mechanism 1 for driving the vertical rod 2 (3) to move closer to or away from the vertical rod 1 (2) is arranged on the base (1), a scale (4) is arranged on the base (1), and a pointer (19) pointing to the scale (4) is statically connected to the vertical rod 2 (3), and gap rods (5) are detachably connected to the vertical rod 1 (2) and the vertical rod 2 (3), respectively, and the central axes of the two gap rods (5) are located on the same straight line; The base (1) is a hollow structure, a moving block (6) is inserted into the base (1), the second vertical rod (3) is statically connected to the moving block (6), a clearing hole for the second vertical rod (3) to move is provided on the base (1), the driving mechanism (1) comprises a screw (7), the screw (7) is threadedly connected to the moving block (6), one end of the screw (7) is connected to a right-angle turner (8), the other end of the right-angle turner (8) is connected to a rotating shaft (9), and the rotating shaft (9) passes through the side wall of the base (1) and is connected to a star-shaped handle (10); A movable plate 1 (11) and a movable plate 2 (12) are respectively arranged on the vertical rod 1 (2) and the vertical rod 2 (3); a distance sensor (13) is arranged on the movable plate 1 (11); an emission point of the distance sensor (13) and an end face of a gap rod (5) located on the vertical rod 1 (2) are located on the same vertical plane; the movable plate 2 (12) corresponds to the distance sensor (13); and an end face of the movable plate 2 (12) and an end face of the gap rod (5) located on the vertical rod 2 (3) are located on the same vertical plane.

2. An outdoor gap breakdown characteristic test device according to claim 1, characterized in that: Baffles (14) are respectively arranged on the movable plate 1 (11) and the movable plate 2 (12), and the baffles (14) are in contact with the end surface of the gap rod body (5). Drive mechanisms 2 for driving the baffles (14) to contact or separate from the gap rod body (5) are respectively arranged on the vertical rod 1 (2) and the vertical rod 2 (3).

3. An outdoor gap breakdown characteristic test device according to claim 2, characterized in that: The driving mechanism 2 comprises a moving frame (15) respectively arranged on a vertical rod 1 (2) and a vertical rod 2 (3); a plug hole 1 for the moving frame (15) to move is arranged on the vertical rod 1 (2) and the vertical rod 2 (3); a bolt 1 (16) capable of fixing the moving frame (15) is threadedly connected on the vertical rod 1 (2) and the vertical rod 2 (3); the moving plate 1 (11) and the moving plate 2 (12) are respectively statically connected to an insertion rod (17); the insertion rod (17) is inserted into the moving frame (15); and a bolt 2 (18) for fixing the insertion rod (17) is arranged on the moving frame (15).

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