CN209992572U - Hand-held electrode bar for testing surface resistance of insulating tool - Google Patents
Hand-held electrode bar for testing surface resistance of insulating tool Download PDFInfo
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- CN209992572U CN209992572U CN201822184008.4U CN201822184008U CN209992572U CN 209992572 U CN209992572 U CN 209992572U CN 201822184008 U CN201822184008 U CN 201822184008U CN 209992572 U CN209992572 U CN 209992572U
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Abstract
The utility model discloses a hand-held electrode bar for testing the surface resistance of an insulating tool, which belongs to the field of hand-held electrode bars and comprises a plate electrode, an electrode fixing plate, an insulating bar, a testing wire, a connector, a positioning device and an anti-winding mechanism; a wire groove is formed in the insulating rod; the electrode fixing plate is provided with a binding post, and the positioning device comprises a first positioning plate, a second positioning plate and a positioning bolt; the central axis of the first positioning plate is axially overlapped with the center of the second positioning plate; a graduated scale is arranged on one side surface of the second positioning plate; the anti-winding mechanism comprises a U-shaped supporting seat, a sleeve, an anti-winding block, a compression spring and an adjusting bolt; the anti-winding block is provided with a V-shaped bayonet part. The utility model discloses a hand-held type electrode bar for insulating tool along surface resistance test, positioner can accurate positioning electrode interval, reduce the test effect because of the interval error brings for the test is more accurate; the anti-winding mechanism can ensure that the test wire is straightly routed, and further ensure the accuracy of the test.
Description
Technical Field
The utility model relates to a hand-held type electrode bar field especially relates to a hand-held type electrode bar that is used for insulating tool along surface resistance test.
Background
Before the construction of a 10kV distribution network hot-line work project, an insulation tool and an insulation shielding tool are used for testing the insulation resistance along the surface, the electrode distance is 2cm and the electrode width is 2cm when the test is required, and the leads of two electrodes are kept from being wound when the test is carried out. When carrying out insulation test, the electrode width 2cm realizes more easily, but the testing process keeps the 2cm degree of difficulty of electrode interval great, if do not have specific device to fix two electrodes, hardly guarantees the requirement of electrode interval 2cm, and the big direct effect of test that has influenced of error of electrode interval. The insulating property of the edge surface of the insulating tool also directly influences the implementation safety of the hot-line work project, so that a handheld electrode bar for testing the resistance of the edge surface of the insulating tool must be developed, the requirements of 2cm electrode distance and 2cm electrode width are met in the testing process, and the testing effect is ensured.
Disclosure of Invention
In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that the hand-held type electrode bar who is used for insulating tool along surface resistance test is proposed, closely laminate the relative side of two plate electrodes with the side of first locating plate, the laminating target in place the back through the tip all around of screwing positioning bolt butt plate electrode can, positioning bolt is when screwing fixedly, diagonal mode screws up gradually, makes each fastening point atress even. Meanwhile, the longitudinal width dimension of the second positioning plate is 6cm, and a graduated scale is arranged on one side surface of the second positioning plate, so that the purpose of matching with the width dimension of the detection electrode plates is achieved, the interval between the electrode plates can be repeatedly detected, the positioning device can accurately position the interval between the electrode plates, the test effect caused by interval errors is reduced, and the test is more accurate; the test wire passes from the middle of the V-arrangement bayonet part to improve the locking effect of winding piece under compression spring's effect, thereby ensure that the test wire that passes the V-arrangement bayonet part is more straight, avoid the winding of test wire and influence test effect, improve measuring precision.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a hand-held type electrode bar for insulating tool along face resistance test, include two plate electrodes that are made by metallic conductor and are used for resistance test, be located the below of plate electrode and be used for fixing the electrode fixed plate of plate electrode, be used for cooperating the insulating rod that the electrode fixed plate detected, one end connect with the test wire that the plate electrode is connected, cup joint the connector subassembly of the other end of test wire, fix locate on the electrode fixed plate and be used for fixing a position the positioner of interval between the plate electrode, and fix locate the electrode fixed plate and be used for preventing the antiwind mechanism that the test wire twined;
the section of the insulating rod is cylindrical, and a wire slot for the test wire to pass through is formed in the insulating rod and along the length of the insulating rod;
a binding post which is vertically and upwards arranged is arranged on the electrode fixing plate, and the bottom end surface of the binding post is welded and connected with the upper end surface of the electrode plate; one end of the test wire is connected with the wiring terminal;
the positioning device comprises a first positioning plate arranged vertically upwards, a second positioning plate positioned below the first positioning plate, and a positioning bolt vertically downwards penetrating through the second positioning plate;
the longitudinal width of the first positioning plate is 2cm, and the longitudinal width of the second positioning plate is 6 cm; the central axis of the first positioning plate is axially overlapped with the center of the second positioning plate;
a graduated scale is arranged on one side surface of the second positioning plate;
the anti-winding mechanism comprises an inverted U-shaped supporting seat, a sleeve which is fixedly arranged on the U-shaped supporting seat and is vertically arranged, an anti-winding block which is movably arranged in the sleeve, a compression spring which is positioned in the sleeve and one end of which is fixedly connected with the anti-winding block, and an adjusting bolt which penetrates through the U-shaped supporting seat and the upper end of the sleeve and is used for adjusting the pressing force of the anti-winding block;
the bottom end of the anti-winding block is provided with a V-shaped clamping opening part.
Preferably, the test wire penetrates through the other end of the insulating rod and is connected with a 2500V insulating megger, and the test wire is connected with the 2500V insulating megger through a connecting head assembly.
Preferably, the connector assembly comprises a cylindrical terminal sleeved on the test line and a U-shaped terminal fixedly connected with the cylindrical terminal.
Preferably, the first positioning plate and the second positioning plate are of an integrally formed structure.
Preferably, the second positioning plate is provided with two groups of threaded holes in threaded connection with the positioning bolts, the number of the threaded holes is eight, and the two groups of threaded holes are symmetrically distributed on two sides of the first positioning plate.
Preferably, a through sliding groove is formed in the upper side wall of the sleeve, and a connecting portion in sliding connection with the sliding groove is formed in the outer wall of the anti-winding block.
Preferably, an arc plate formed by a downward concave is arranged on the electrode plate and protrudes out of one side part of the electrode fixing plate.
The utility model has the advantages that:
the utility model provides a hand-held type electrode bar for insulating tool along surface resistance test closely laminates the relative side of two plate electrodes and the side of first locating plate, the laminating target in place the back through the tip all around of the positioning bolt butt plate electrode of screwing can, positioning bolt is when screwing fixedly, and the diagonal mode is progressively screwed up, makes each fastening point atress even. Meanwhile, the longitudinal width dimension of the second positioning plate is 6cm, and a graduated scale is arranged on one side surface of the second positioning plate, so that the purpose of matching with the width dimension of the detection electrode plates is achieved, the interval between the electrode plates can be repeatedly detected, the positioning device can accurately position the interval between the electrode plates, the test effect caused by interval errors is reduced, and the test is more accurate; the test wire passes from the middle of the V-arrangement bayonet part to improve the locking effect of winding piece under compression spring's effect, thereby ensure that the test wire that passes the V-arrangement bayonet part is more straight, avoid the winding of test wire and influence test effect, improve measuring precision.
Drawings
Fig. 1 is a schematic perspective view of a hand-held electrode rod for testing the surface resistance of an insulation tool according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of another angle of the hand-held electrode rod for testing the surface resistance of the insulation tool according to the embodiment of the present invention;
fig. 3 is a schematic perspective view of an anti-wind mechanism according to an embodiment of the present invention;
fig. 4 is a schematic view of an installation cross-sectional structure of an anti-wind mechanism according to an embodiment of the present invention;
fig. 5 is an enlarged schematic structural diagram a according to an embodiment of the present invention.
In the figure:
1. an electrode plate; 2. an electrode fixing plate; 3. an insulating rod; 4. a test line; 5. a connector assembly; 6. a positioning device; 7. an anti-wind mechanism; 8. 2500V insulating megger; 9. an arc-shaped plate; 10. a binding post; 31. a wire slot; 61. a first positioning plate; 62. a second positioning plate; 63. positioning the bolt; 71. a U-shaped supporting seat; 72. a sleeve; 73. an anti-winding block; 74. a compression spring; 75. adjusting screws; 721. a chute; 731. a V-shaped bayonet part; 732. a connecting portion.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-5, the handheld electrode rod for testing the resistance of the insulation tool along the surface includes two electrode plates 1 made of metal conductors and used for testing the resistance, an electrode fixing plate 2 located below the electrode plates 1 and used for fixing the electrode plates 1, an insulation rod 3 used for matching the electrode fixing plate 2 for detection, a test wire 4 with one end connected to the electrode plates 1, a connector assembly 5 sleeved on the other end of the test wire 4, a positioning device 6 fixedly arranged on the electrode fixing plate 2 and used for positioning the distance between the electrode plates 1, and an anti-winding mechanism 7 fixedly arranged on the electrode fixing plate 2 and used for preventing the test wire 4 from winding; the section of the insulating rod 3 is cylindrical, and a wire slot 31 for the test wire 4 to pass through is formed in the insulating rod 3 and along the length of the insulating rod 3; a binding post 10 which is vertically and upwards arranged is arranged on the electrode fixing plate 2, and the bottom end surface of the binding post 10 is welded and connected with the upper end surface of the electrode plate 1; one end of the test wire 4 is connected with the binding post 10; the positioning device 6 comprises a first positioning plate 61 arranged vertically upwards, a second positioning plate 62 positioned below the first positioning plate 61, and a positioning bolt 63 vertically downwards penetrating through the second positioning plate 62; the longitudinal width of the first positioning plate 61 is 2cm, and the longitudinal width of the second positioning plate 62 is 6 cm; the central axis of the first positioning plate 61 is axially overlapped with the center of the second positioning plate 62; a graduated scale is arranged on one side surface of the second positioning plate 62; the anti-winding mechanism 7 comprises an inverted U-shaped supporting seat 71, a sleeve 72 which is fixedly arranged on the U-shaped supporting seat 71 and is vertically arranged, an anti-winding block 73 which is movably arranged in the sleeve 72, a compression spring 74 which is positioned in the sleeve 72 and one end of which is fixedly connected with the anti-winding block 73, and an adjusting bolt 75 which penetrates through the U-shaped supporting seat 71 and the upper end of the sleeve 72 and is used for adjusting the pressing force of the anti-winding block 73; the bottom end of the anti-wind block 73 has a V-shaped bayonet portion 731.
In the above implementation, specifically, before the detection is started, the two motor plates 1 are firstly tiled above the electrode fixing plate 2, and since the positioning device 6 is arranged on the electrode fixing plate 2, in order to make the specific structure of the positioning device 6 clear, specifically, the positioning device 6 includes the first positioning plate 61 arranged vertically upward, the second positioning plate 62 arranged below the first positioning plate 61, and the positioning bolt 63 penetrating through the second positioning plate 62 vertically downward; the longitudinal width of the first positioning plate 61 is 2cm, and the longitudinal width of the second positioning plate 62 is 6 cm; the central axis of the first positioning plate 61 is axially overlapped with the center of the second positioning plate 62; a graduated scale is arranged on one side surface of the second positioning plate 62; because the longitudinal width dimension of the first positioning plate 61 is 2cm, namely the required specified interval length of the two electrode plates 1, only the opposite side surfaces of the two electrode plates 1 are tightly attached to the side surfaces of the first positioning plate 61, after the two electrode plates are attached to the right position, the positioning bolts 63 are screwed to abut against the peripheral end parts of the electrode plates 1, when the positioning bolts 63 are screwed and fixed, the positioning bolts 63 are screwed diagonally, the electrode plates 1 can be fixed more uniformly, the electrode plates 1 are prevented from micro displacement caused by uneven stress, and the electrode plates are screwed gradually in a diagonal manner, so that the stress of each fastening point is uniform. Meanwhile, the longitudinal width of the second positioning plate 62 is 6cm, and a graduated scale is arranged on one side surface of the second positioning plate 62, so that the width of the electrode plate 1 can be detected in a matching manner, repeated detection can be performed on the distance between the electrode plates 1, the positioning device 6 can accurately position the distance between the electrode plates 1, the test effect caused by distance errors is reduced, and the test is more accurate; the section of the insulating rod 3 is cylindrical, and a wire slot 31 for the test wire 4 to pass through is formed in the insulating rod 3 and along the length of the insulating rod 3; a binding post 10 which is vertically and upwards arranged is arranged on the electrode fixing plate 2, and the bottom end surface of the binding post 10 is welded and connected with the upper end surface of the electrode plate 1; one end of the test wire 4 is connected with the binding post 10; the width of the electrode plate 1 is 2cm according to the specification, the electrode spacing is 2cm, the electrode plate is fixed on the electrode fixing plate 2 through metal screws, the test wires 4 respectively penetrate into the reserved wire grooves 31 in the insulating rods 3, the test wires 4 are connected into the 2500V insulating megger 8 according to the polarity during the test, the test wires 4 are ensured not to be wound in the test process, the insulating rods 3 are held by hands, the test electrode plate 1 is in contact with the surface of an insulating tool, and the purpose of testing the resistance of the edge surface of the insulating tool is achieved. In order to ensure that the test wire 4 cannot be wound and pass through the electrode fixing plate 2 in the test process, two sets of anti-winding mechanisms 7 for preventing the test wire 4 from winding are arranged; specifically, the anti-winding mechanism 7 comprises an inverted U-shaped support seat 71, a vertically arranged sleeve 72 fixedly arranged on the U-shaped support seat 71, an anti-winding block 73 movably arranged in the sleeve 72, a compression spring 74 positioned in the sleeve 72 and having one end fixedly connected with the anti-winding block 73, and an adjusting bolt 75 penetrating through the U-shaped support seat 71 and the upper end of the sleeve 72 and used for adjusting the pressing force of the anti-winding block 73; the bottom end of the anti-winding block 73 is provided with a V-shaped bayonet part 731, the test wire 4 penetrates through the middle of the V-shaped bayonet part 731, and the locking effect of the anti-winding block 73 is improved under the action of the compression spring 74, so that the test wire 4 penetrating through the V-shaped bayonet part 731 is ensured to be more straight, the test wire 4 is prevented from being wound to influence the test effect, the measurement precision is improved, it needs to be described that one end of the adjusting bolt 75 penetrates through the U-shaped supporting seat 71 and the sleeve 72, and the purpose is to adjust the locking effect of the compression spring 74 on the anti-winding block 73.
Further, the other end that test wire 4 passed insulating stick 3 is connected 2500V insulating megger 8, and test wire 4 is connected with 2500V insulating megger 8 through connector subassembly 5, adopts transition structure 9 to make things convenient for test wire 4 to realize fast and is connected with 2500V insulating megger 8 and detect, ensures the reliability of being connected of test wire 4 and 2500V insulating megger 8 simultaneously, and it provides the electric connection between the inside lead wire of electrical apparatus, or between lead wire and the part.
Further, connector subassembly 5 is connected with test wire 4 including cup jointing the drum terminal on test wire 4 and with drum terminal fixed connection's U type terminal, adopts drum terminal or U type terminal to be connected with test wire 4, and the purpose makes things convenient for being connected of connector subassembly 5 and insulation resistance, has set up and has connected drum terminal or U type terminal, satisfies the connection of automatic megger or manual megger and the hand-held type electrode bar that is used for insulation tool along the surface resistance test respectively.
Further, the first positioning plate 61 and the second positioning plate 62 are integrally formed, the integrally formed structure is adopted to ensure the processing precision and the connection strength of the first positioning plate 61 and the second positioning plate 62, the thickness dimension of the first positioning plate 61 is processed to be the same as the electrode spacing of 2cm, and thus the spacing of the electrode plates 1 is ensured and detected to be 2 cm.
Further, the second positioning plate 62 is provided with two sets of threaded holes in threaded connection with the positioning bolts 63, the number of the threaded holes is eight, the two sets of threaded holes are symmetrically distributed on two sides of the first positioning plate 61, and the positioning bolts 63 stably position the electrode plate 1 on the electrode fixing plate 2 through the eight threaded holes on the second positioning plate 62.
Further, a through slide slot 721 is provided on the upper side wall of the sleeve 72, and a connection portion 732 slidably connected to the slide slot 721 is provided on the outer wall of the anti-wind block 73. The connecting portion 732 is in clearance fit with the sliding groove 721, and the connecting portion 732 is used for preventing the anti-winding block 73 from rotating in the inner cavity of the sleeve 72, so that the connecting portion 732 is ensured to slide up and down along the sliding groove 721, the locking effect of the compression spring 74 on the anti-winding block 73 is improved, the test line 4 passing through the V-shaped bayonet portion 731 is ensured to be flatter, the test effect is prevented from being influenced by the winding of the test line 4, and the measurement precision is improved.
Furthermore, an arc-shaped plate 9 which is formed by concave downwards is arranged on the electrode plate 1 and protrudes out of one side part of the electrode fixing plate 2.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (7)
1. A hand-held type electrode bar for insulating tool along face resistance test, its characterized in that:
the device comprises two electrode plates made of metal conductors and used for resistance testing, an electrode fixing plate, an insulating rod, a testing wire, a connector assembly, a positioning device and an anti-winding mechanism, wherein the electrode fixing plate is positioned below the electrode plates and used for fixing the electrode plates, the insulating rod is used for being matched with the electrode fixing plate for detection, one end of the testing wire is connected with the electrode plates and connected with the other end of the testing wire in a sleeved mode, the positioning device is fixedly arranged on the electrode fixing plate and used for positioning the distance between the electrode plates, and the anti-winding mechanism is fixedly arranged on the electrode fixing plate and used for;
the section of the insulating rod is cylindrical, and a wire slot for the test wire to pass through is formed in the insulating rod and along the length of the insulating rod;
a binding post which is vertically and upwards arranged is arranged on the electrode fixing plate, and the bottom end surface of the binding post is welded and connected with the upper end surface of the electrode plate; one end of the test wire is connected with the wiring terminal;
the positioning device comprises a first positioning plate arranged vertically upwards, a second positioning plate positioned below the first positioning plate, and a positioning bolt vertically downwards penetrating through the second positioning plate;
the longitudinal width of the first positioning plate is 2cm, and the longitudinal width of the second positioning plate is 6 cm; the central axis of the first positioning plate is axially overlapped with the center of the second positioning plate;
a graduated scale is arranged on one side surface of the second positioning plate;
the anti-winding mechanism comprises an inverted U-shaped supporting seat, a sleeve which is fixedly arranged on the U-shaped supporting seat and is vertically arranged, an anti-winding block which is movably arranged in the sleeve, a compression spring which is positioned in the sleeve and one end of which is fixedly connected with the anti-winding block, and an adjusting bolt which penetrates through the U-shaped supporting seat and the upper end of the sleeve and is used for adjusting the pressing force of the anti-winding block;
the bottom end of the anti-winding block is provided with a V-shaped clamping opening part.
2. The hand-held electrode rod for insulation tool in-plane resistance testing according to claim 1, wherein:
the test wire penetrates through the other end of the insulating rod and is connected with a 2500V insulating megger, and the test wire is connected with the 2500V insulating megger through a connecting head assembly.
3. The hand-held electrode rod for insulation tool in-plane resistance testing according to claim 2, wherein:
the connector assembly comprises a cylindrical terminal sleeved on the test wire and a U-shaped terminal fixedly connected with the cylindrical terminal.
4. The hand-held electrode rod for insulation tool in-plane resistance testing according to claim 1, wherein:
the first positioning plate and the second positioning plate are of an integrally formed structure.
5. The hand-held electrode rod for insulation tool in-plane resistance testing according to claim 4, wherein:
the second positioning plate is provided with two groups of threaded holes in threaded connection with the positioning bolts, the number of the threaded holes is eight, and the two groups of threaded holes are symmetrically distributed on two sides of the first positioning plate.
6. The hand-held electrode rod for insulation tool in-plane resistance testing according to claim 1, wherein:
the side wall on the sleeve is provided with a through sliding groove, and the outer wall of the anti-winding block is provided with a connecting part in sliding connection with the sliding groove.
7. A hand-held electrode rod for insulation tool in-plane resistance testing according to claim 1, wherein:
an arc-shaped plate which is formed by downward concave is arranged on the electrode plate and protrudes out of one side part of the electrode fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822184008.4U CN209992572U (en) | 2018-12-25 | 2018-12-25 | Hand-held electrode bar for testing surface resistance of insulating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822184008.4U CN209992572U (en) | 2018-12-25 | 2018-12-25 | Hand-held electrode bar for testing surface resistance of insulating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209992572U true CN209992572U (en) | 2020-01-24 |
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ID=69287346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822184008.4U Active CN209992572U (en) | 2018-12-25 | 2018-12-25 | Hand-held electrode bar for testing surface resistance of insulating tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209992572U (en) |
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2018
- 2018-12-25 CN CN201822184008.4U patent/CN209992572U/en active Active
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Address after: 515057 Room 608, block B, Longhu power supply building, No. 74 Huangshan Road, Shantou City, Guangdong Province Patentee after: Guangdong Guangao Energy Technology Co.,Ltd. Address before: 515057 Room 608, area B, Longhu power supply building, 74 Huangshan Road, Shantou City, Guangdong Province Patentee before: SHANTOU SPECIAL ECONOMIC ZONE GUANG'AO ELECTRIC POWER DEVELOPMENT CO.,LTD. |