An insulation testing device for an insulating rod of an electroscope

Abstract

The utility model discloses an insulation detection device for an insulating rod of an electrical tester, comprising a detection table, a horizontal plate fixedly arranged horizontally on the detection table, a megohmmeter fixedly arranged at the rear side of the horizontal plate, a clamping structure vertically arranged at the left side of the upper side of the horizontal plate, two first vertical plates arranged at the right side of the clamping structure, a first square hole opened at the middle of the two first vertical plates, clamping rollers arranged horizontally and longitudinally at the upper and lower sides of the first square hole, an extrusion structure is arranged at the clamping roller corresponding to the left first vertical plate, an adjustment structure movably connected with the left first vertical plate is arranged at the horizontal plate corresponding to the left first vertical plate, and a driving structure is arranged at the clamping roller corresponding to the right first vertical plate; the insulating rod is clamped by the clamping structure and the two clamping rollers of the left first vertical plate in cooperation with the extrusion structure, and the insulation performance of the test area thereof is detected by the megohmmeter, and then the insulating rod is clamped by the driving structure, and is continuously pulled to form continuous detection, which is convenient, fast and highly practical.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to an insulation detection device for an insulating rod of an electroscope. Background Art

[0002] With the acceleration of the pace of power grid construction, the scale of electricity continues to expand, and the number of line maintenance has also increased. At present, the maintenance of power grid lines is mostly live work, which requires frequent use of tester insulating rods. Insulating rods are a unified name for insulating tools specially used in power systems, which can be used for live work, live maintenance and live maintenance work tools.

[0003] Utility model patent CN202022478730.6 discloses an insulation detection device for an insulating rod of a tester for power inspection, which belongs to the technical field of power maintenance and detection equipment, and includes a frame, a transmission assembly, two groups of detection assemblies and a megohmmeter; wherein, the frame is provided with two brackets for placing the insulating rods of the tester; the transmission assembly is used to drive the two groups of detection assemblies to move; each group of detection assemblies includes a fixed collar, a plurality of contact pieces, a plurality of springs and an adjusting collar, one end of the contact piece is used to abut against the outer peripheral surface of the insulating rod of the tester located in the fixed collar, and the other end is slidably connected with an adjusting sleeve rotatably arranged on the outside of the fixed collar; the spring is used to bounce the contact piece to continuously abut against the outer peripheral surface of the insulating rod of the tester; the megohmmeter is electrically connected to the two fixed collars respectively.

[0004] The insulation detection device for the insulating rod of the tester for power inspection provided by the equipment can adapt to the insulating rods of the tester with different diameters. However, the insulating rods of the tester have different lengths. When the detection length or the extension length is large, the size of the equipment will become particularly large. If segmented detection is adopted, the whole detection process becomes very troublesome and the test efficiency is greatly reduced. Utility Model Content

[0005] In view of the technical problems in the prior art, the utility model provides an insulation detection device for an insulating rod of a tester, aiming to solve the above problems.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An insulation testing device for an insulating rod of an electrical tester comprises a testing platform, a horizontal plate is fixedly provided on the testing platform horizontally, a megohmmeter is fixedly provided on the rear side of the horizontal plate, a clamping structure is vertically provided on the left side of the upper side of the horizontal plate, two first vertical plates are sequentially provided on the right side of the clamping structure, a first square hole is opened in the middle of the two first vertical plates, clamping rollers are respectively provided horizontally and longitudinally on the upper and lower sides of the first square hole, the two ends of the two clamping rollers are inserted into the front and rear side walls of the first square hole and are rotatably connected thereto, an extrusion structure is provided at the clamping roller corresponding to the first vertical plate on the left side, and a driving structure is provided at the clamping roller corresponding to the first vertical plate on the right side.

[0008] Preferably, the clamping structure includes a second vertical plate, a second square hole is provided in the second vertical plate, spring plates are provided facing each other on upper and lower sides of the second square hole, the two spring plates are electrically connected to the megohmmeter, and arc-shaped clamping grooves are provided at the facing ends of the two spring plates.

[0009] Preferably, the extrusion structure includes two groups of limit blocks respectively mounted on the left and right ends of the two clamping rollers, the limit blocks are rotatably connected to the clamping rollers, the first vertical plate on the left side corresponds to the two groups of limit blocks and first limit grooves are longitudinally opened respectively, springs are respectively arranged in the first limit grooves on the back side of the two groups of limit blocks, and the first square hole on the left side corresponds to the two ends of the two clamping rollers and second limit grooves are longitudinally opened respectively.

[0010] Preferably, the limit block and the clamping roller rotatably connected thereto are both made of conductive materials and are electrically connected to the megohmmeter.

[0011] Preferably, the driving structure comprises a driving motor, which is arranged at the rear side of the first vertical plate on the right side and is drivingly connected to the insertion position of the clamping roller located below in the first vertical plate on the right side.

[0012] Preferably, the first vertical plate on the right side is provided with an inverted U-shaped connecting frame rotatably connected to the two ends of the upper clamping roller at the upper clamping roller located inside the first vertical plate on the right side, and a movable cavity is opened in the inverted U-shaped connecting frame inside the first vertical plate on the right side, and third limiting sliding grooves are longitudinally opened at the insertion positions of the two ends of the upper clamping roller at the front and rear sides of the first square hole on the right side.

[0013] Preferably, a fastening bolt is vertically provided on the upper side of the first vertical plate on the right side, and the fastening bolt passes downward through the first vertical plate and the inverted U-shaped connecting frame, and the end is rotatably connected to the bottom of the movable cavity. The fastening bolt is rotatably connected to the first vertical plate on the right side and is threadedly connected to the inverted U-shaped connecting frame.

[0014] Preferably, the adjustment structure includes a transversely arranged threaded rod, a movable groove is provided on the upper side of the horizontal plate corresponding to the threaded rod, two ends of the threaded rod are inserted into the two ends of the movable groove and are rotatably connected thereto, a limit slider is fixedly provided in the movable groove corresponding to the lower side of the first vertical plate on the left side and is slidably connected thereto, the limit slider is inserted on the threaded rod and is threadedly connected thereto, an adjusting motor is provided on the left end of the threaded rod corresponding to the left end of the threaded rod on the left side of the testing platform, and the driving end of the adjusting motor is drivingly connected to the left end of the threaded rod.

[0015] Preferably, an annular limiting clamping groove is formed in the middle of the surface of the clamping roller in the first square hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model provides an insulation detection device for an insulating rod of an electrical tester. During the test, the insulating rod to be detected is passed to the right through a clamping structure, and the insulating rod is clamped by two spring pieces in cooperation with an arc-shaped clamping groove. The insulating rod is clamped by two clamping rollers of a left first vertical plate in cooperation with the extrusion of a spring, and the insulation performance of the test area is detected by a megohmmeter. Then, by rotating the fastening bolts on the right first vertical plate, the clamping roller on the upper side moves downward to clamp the insulating rod, and the insulating rod is continuously pulled by a driving motor to form a continuous detection, which is convenient and quick, thereby solving the problem of troublesome detection caused by the insulating rod being too long. At the same time, the spring piece setting of the clamping structure and the spring extrusion clamping roller can detect insulating rods of different diameters.

[0018] At the same time, an adjustment structure is provided, which drives the threaded rod to rotate by adjusting the rotation of the motor, so that the first vertical plate on the left side moves left and right, and can be adjusted according to the detection area, so that the detection form is more extensive and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of an insulation detection device for an insulating rod of a tester according to the utility model;

[0020] Figure 2 It is a side view of the clamping structure of the insulation detection device of the insulating rod of the electroscope according to the utility model;

[0021] Figure 3 It is a side view of the extruded structure of an insulation detection device for an insulating rod of a tester according to the utility model;

[0022] Figure 4 The utility model is a side view of the driving structure of the insulation detection device of the insulating rod of the electroscope.

[0023] In the figure: 1. test table; 2. horizontal plate; 3. megohmmeter; 4. clamping structure; 41. second vertical plate; 42. second square hole; 43. spring; 44. arc clamping groove; 5. first vertical plate; 51. first square hole; 52. clamping roller; 53. annular limit clamping groove; 6. extrusion structure; 61. limit block; 62. first limit slide groove; 63. spring; 64. second limit slide groove; 7. driving structure; 71. driving motor; 72. inverted U-shaped connecting frame; 73. movable cavity; 74. third limit slide groove; 75. fastening bolt; 8. adjusting structure; 81. threaded rod; 82. movable groove; 83. limit slider; 84. adjusting motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 4 , the embodiment proposed in the present application is: an insulation detection device for an insulating rod of an electrical tester, comprising a detection table 1, a horizontal plate 2 is fixedly arranged horizontally on the detection table 1, a megohmmeter 3 is fixedly arranged on the rear side of the horizontal plate 2, a clamping structure 4 is vertically arranged on the left side of the upper side of the horizontal plate 2, two first vertical plates 5 are arranged in sequence on the right side of the clamping structure 4, a first square hole 51 is opened in the middle of the two first vertical plates 5, clamping rollers 52 are arranged horizontally and longitudinally on the upper and lower sides of the first square hole 51, the two ends of the two clamping rollers 52 are inserted into the front and rear side walls of the first square hole 51 and are rotatably connected thereto, an annular limiting clamping groove 53 is arranged in the middle of the surface of the clamping roller 52 in the first square hole 51, an extrusion structure 6 is arranged at the left first vertical plate 5 corresponding to the corresponding clamping roller 52, the horizontal plate 2 is provided with an adjustment structure 8 movably connected thereto corresponding to the left first vertical plate 5, and a driving structure 7 is arranged at the right first vertical plate 5 corresponding to the corresponding clamping roller 52;

[0026] The insulating rod is clamped by the clamping structure 4 and the two clamping rollers 52 of the first vertical plate 5 on the left side in cooperation with the extrusion structure 6, and the insulation performance of its test area is tested by the megohmmeter 3, and then the insulating rod is clamped by the driving structure 7 and continuously pulled to form a continuous test, which is convenient and quick, thereby solving the problem of troublesome detection caused by the insulating rod being too long; at the same time, an adjustment structure 8 is provided, which can be adjusted according to the detection area, so that the detection form is more extensive and highly practical.

[0027] In another embodiment, see Figure 1 and 2The clamping structure 4 includes a second vertical plate 41, a second square hole 42 is provided in the second vertical plate 41, and spring pieces 43 are provided facing each other on the upper and lower sides of the second square hole 42, the two spring pieces 43 are electrically connected to the megohmmeter 3, and arc-shaped clamping grooves 44 are provided at the facing ends of the two spring pieces 43. The insulating rod is clamped by the elastic force of the two spring pieces 43 and the arc-shaped clamping grooves 44, and the performance of the spring pieces 43 can clamp insulating rods of different diameters.

[0028] In another embodiment, see Figure 1 and 3 The extrusion structure 6 includes two groups of limit blocks 61 respectively sleeved on the left and right ends of the two clamping rollers 52, the limit blocks 61 are rotatably connected to the clamping rollers 52, the first vertical plate 5 on the left side corresponds to the two groups of limit blocks 61 and respectively longitudinally opens a first limit slot 62, the first limit slot 62 on the back side of the two groups of limit blocks 61 is respectively provided with a spring 63, the first square hole 51 on the left side corresponds to the two ends of the two clamping rollers 52 and respectively longitudinally opens a second limit slot 64, the limit blocks 61 and the clamping rollers 52 rotatably connected thereto are made of conductive materials, and are electrically connected to the megohmmeter 3, and cooperate with the clamping of the clamping structure 4 to form a detection area for the insulating rod;

[0029] The insulating rod is inserted into the annular limiting clamping groove 53 between the two clamping rollers 52 and clamped by the elastic force of the spring 63. Meanwhile, the performance of the spring 63 can clamp insulating rods of different diameters.

[0030] In another embodiment, see Figure 1 and 4 The driving structure 7 includes a driving motor 71, which is arranged at the rear side of the first vertical plate 5 on the right side and is drivingly connected to the insertion position of the lower clamping roller 52 in the first vertical plate 5 on the right side. The first vertical plate 5 on the right side is provided with an inverted U-shaped connecting frame 72 rotatably connected to the two ends of the upper clamping roller 52 at the upper clamping roller 52 corresponding to the upper clamping roller 52. The first vertical plate 5 on the right side is provided with a movable cavity 73 corresponding to the inverted U-shaped connecting frame 72. The front and rear sides of the first square hole 51 on the right side are respectively longitudinally provided with third limiting sliding grooves 74 at the insertion positions of the two ends of the upper clamping roller 52. A fastening bolt 75 is vertically provided on the upper side of the first vertical plate 5 on the right side. The fastening bolt 75 passes downward through the first vertical plate 5 and the inverted U-shaped connecting frame 72, and the end is rotatably connected to the bottom of the movable cavity 73. The fastening bolt 75 is rotatably connected to the first vertical plate 5 on the right side and is threadedly connected to the inverted U-shaped connecting frame 72.

[0031] By rotating the fastening bolt 75 on the first vertical plate on the right side, the upper clamping roller 52 moves downward to clamp the insulating rod, and the driving motor 71 is used to continuously pull the insulating rod to form continuous detection, so that the length of the insulating rod no longer limits the use of the equipment, and it is convenient, fast and highly practical.

[0032] In another embodiment, see Figure 1 The adjusting structure 8 includes a transversely arranged threaded rod 81, and a movable groove 82 is provided on the upper side of the horizontal plate 2 corresponding to the threaded rod 81. The two ends of the threaded rod 81 are inserted into the two ends of the movable groove 82 and are rotatably connected thereto. A limit slider 83 is fixedly provided in the movable groove 82 corresponding to the lower side of the left first vertical plate 5 and is slidably connected thereto. The limit slider 83 is inserted into the threaded rod 81 and is threadedly connected thereto. An adjusting motor 84 is provided on the left side of the testing platform 1 corresponding to the left end of the threaded rod 81, and the driving end of the adjusting motor 84 is drivingly connected to the left end of the threaded rod 81.

[0033] The threaded rod 81 is driven to rotate by adjusting the motor 84 so that the first vertical plate 5 on the left side moves left and right. The detection area can be adjusted to make the detection form more extensive and practical.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] In the description of the present invention, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulation testing device for an insulating rod of an electroscope, comprising a testing platform (1), a horizontal plate (2) being fixedly disposed on the testing platform (1), a megohmmeter (3) being fixedly disposed on the rear side of the horizontal plate (2), characterized in that: A clamping structure (4) is vertically arranged on the left side of the upper side of the horizontal plate (2), and two first vertical plates (5) are arranged in sequence on the right side of the clamping structure (4). A first square hole (51) is opened in the middle of the two first vertical plates (5), and clamping rollers (52) are arranged horizontally and longitudinally on the upper and lower sides of the first square hole (51), and the two ends of the two clamping rollers (52) are inserted into the front and rear side walls of the first square hole (51) and are rotatably connected thereto. An extrusion structure (6) is arranged at the clamping roller (52) corresponding to the first vertical plate (5) on the left side, and an adjustment structure (8) movably connected thereto is arranged at the first vertical plate (5) on the left side of the horizontal plate (2) corresponding to the first vertical plate (5) on the left side, and a driving structure (7) is arranged at the clamping roller (52) corresponding to the first vertical plate (5) on the right side.

2. The insulation detection device for an electroscope insulating rod according to claim 1, characterized in that: The clamping structure (4) comprises a second vertical plate (41), a second square hole (42) is provided in the second vertical plate (41), spring plates (43) are provided facing each other at upper and lower sides of the second square hole (42), the two spring plates (43) are electrically connected to the megohmmeter (3), and arc-shaped clamping grooves (44) are provided at the facing ends of the two spring plates (43).

3. The insulation detection device for an electroscope insulating rod according to claim 1, characterized in that: The extrusion structure (6) comprises two groups of limit blocks (61) respectively sleeved on the left and right ends of the two clamping rollers (52); the limit blocks (61) are rotatably connected to the clamping rollers (52); the first vertical plate (5) on the left side is longitudinally provided with first limit slots (62) corresponding to the two groups of limit blocks (61); springs (63) are respectively arranged in the first limit slots (62) on the back side of the two groups of limit blocks (61); and the first square hole (51) on the left side is longitudinally provided with second limit slots (64) at the two ends of the two clamping rollers (52) at the insertion positions.

4. The insulation detection device for an electroscope insulating rod according to claim 3, characterized in that: The limit block (61) and the clamping roller (52) rotatably connected thereto are both made of conductive materials and are electrically connected to the megohmmeter (3).

5. The insulation detection device for an electroscope insulating rod according to claim 1, characterized in that: The driving structure (7) comprises a driving motor (71), which is arranged at the rear side of the first vertical plate (5) on the right side and is drivingly connected to the insertion position of the clamping roller (52) located below in the first vertical plate (5) on the right side.

6. The insulation detection device for an electroscope insulating rod according to claim 5, characterized in that: The first vertical plate (5) on the right side is provided with an inverted U-shaped connecting frame (72) rotatably connected to the two ends of the upper clamping roller (52) at the position of the upper clamping roller (52) inside the first vertical plate (5) corresponding to the inverted U-shaped connecting frame (72), and a movable cavity (73) is provided in the first vertical plate (5) on the right side corresponding to the inverted U-shaped connecting frame (72), and third limiting sliding grooves (74) are longitudinally provided at the insertion positions of the two ends of the upper clamping roller (52) on the front and rear sides of the first square hole (51) on the right side.

7. The insulation detection device for an electroscope insulating rod according to claim 6, characterized in that: A fastening bolt (75) is vertically arranged on the upper side of the first vertical plate (5) on the right side. The fastening bolt (75) passes downward through the first vertical plate (5) and the inverted U-shaped connecting frame (72), and the end thereof is rotatably connected to the bottom of the movable cavity (73). The fastening bolt (75) is rotatably connected to the first vertical plate (5) on the right side and is threadedly connected to the inverted U-shaped connecting frame (72).

8. The insulation detection device for an electroscope insulating rod according to claim 1, characterized in that: The adjustment structure (8) comprises a transversely arranged threaded rod (81); a movable groove (82) is provided on the upper side surface of the horizontal plate (2) corresponding to the threaded rod (81); two ends of the threaded rod (81) are inserted into the two ends of the movable groove (82) and are rotatably connected thereto; a limit slider (83) is fixedly provided in the movable groove (82) corresponding to the lower side of the first vertical plate (5) on the left side and is slidably connected thereto; the limit slider (83) is inserted into the threaded rod (81) and is threadedly connected thereto; an adjustment motor (84) is provided on the left side of the detection platform (1) corresponding to the left end of the threaded rod (81); and a driving end of the adjustment motor (84) is drivingly connected to the left end of the threaded rod (81).

9. The insulation detection device for an electroscope insulating rod according to claim 1, characterized in that: An annular limiting clamping groove (53) is provided in the middle of the surface of the clamping roller (52) in the first square hole (51).

Images