CN106199082B - Insulating support for withstand voltage test of switch on power column - Google Patents
Insulating support for withstand voltage test of switch on power column Download PDFInfo
- Publication number
- CN106199082B CN106199082B CN201610725010.0A CN201610725010A CN106199082B CN 106199082 B CN106199082 B CN 106199082B CN 201610725010 A CN201610725010 A CN 201610725010A CN 106199082 B CN106199082 B CN 106199082B
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- plate
- node
- folding
- support
- longitudinal plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to the technical field of electric power, in particular to an insulating bracket for a voltage withstand test of a switch on an electric column, which consists of a lifting bracket and a retractable support, wherein a U-shaped bayonet is arranged on the lifting bracket, an insulating outgoing line cable is embedded into the U-shaped bayonet on the lifting bracket before the voltage withstand test of the switch on the electric column, and is supported by fixing the cable position through a U-shaped seal, so that the ground is in an insulating state, and then the corresponding voltage withstand test is carried out, so that the test safety and the test result accuracy can be effectively ensured, and the main components of the invention are as follows: the lifting support and the folding support are assembled by using different connection modes of hinge connection, bolt connection and detachable connection, so that folding of the folding support can be completed, separation and folding of the lifting support can be completed, and the whole support is simple in structure, firm and durable, convenient to fix, small in occupied area, convenient to fold, convenient to store and high in safety and reliability.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to an insulating bracket for a voltage withstand test of an electric power pole switch, which is used for supporting and fixing a cable outgoing line of the electric power pole switch when the voltage withstand test is carried out on the pole switch.
Background
The length of the outgoing line of the switch on the 10kV power column is 2 meters, and interphase insulation and relative ground insulation must be ensured when the withstand voltage test is carried out, so that measures are required to be taken to support and fix the insulated outgoing line when the withstand voltage test is carried out, and insulation breakdown is prevented when the withstand voltage test is carried out. When the column demarcation load switch carries out a withstand voltage test, rated short-time power frequency withstand voltage (effective value) is respectively as follows: the test voltage between the isolated fracture is 48kV, and the test voltage between the switch fracture/phase and the relative ground is 42kV. The high test voltage has certain danger, is limited by the size of a test site and the weight of a switch body, and measures must be taken to support and fix the insulated outgoing line cable of the switch sleeve so as to ensure test safety and test result accuracy. Therefore, a cable lifting support convenient to use, safe and accurate needs to be developed.
Disclosure of Invention
In order to achieve the technical aim, the invention provides the insulating support for the voltage withstand test of the switch on the electric pole, which is practical when the switch on the electric pole is subjected to the voltage withstand test, and the outgoing line is supported and fixed in an insulating manner by adopting the support, so that the safety of the test process and the accuracy of the test result can be effectively ensured.
An insulating bracket for a voltage withstand test of a switch on a power column, comprising: the lifting support is a rectangular lifting support formed by sequentially connecting a first longitudinal plate, a first transverse plate, a second longitudinal plate and a second transverse plate clockwise, the first longitudinal plate is formed by an upper folding plate and a lower folding plate, the upper folding plate and the lower folding plate are connected through a folding hinge, a first node is formed by fixedly connecting the upper folding plate and the first transverse plate through a screw, a second node is formed by connecting the first transverse plate and the second longitudinal plate through a node hinge, a third node is formed by detachably connecting the second longitudinal plate and the second transverse plate through a bolt, a fourth node is formed by connecting the lower folding plate and the second transverse plate through a node hinge, the installation directions of the node hinges on the second node and the fourth node are all 45 degrees with the horizontal plane, the inclination directions of the node hinges are consistent with the inclination directions of diagonal lines connected with the second node and the fourth node, the folding hinges are installed along the directions of 45 degrees with the horizontal plane, and the inclination directions of the node hinges are consistent with the diagonal directions connected with the first node and the third node; the first transverse plates are provided with concave U-shaped bayonets in an array manner, each U-shaped bayonet is provided with a U-shaped seal matched with the U-shaped bayonet, one end of each U-shaped seal is pivoted with the first transverse plate through a rotating shaft, the other end of each U-shaped seal is buckled on a screw rod of a dovetail adjusting wire through an opening slot, the dovetail adjusting wire is arranged on the first transverse plates, and the U-shaped seals are positioned and fastened through the dovetail adjusting wires; the lower ends of the first longitudinal plate and the second longitudinal plate are respectively provided with a folding support, the folding support comprises a supporting plate and a connecting plate, the supporting plate is obliquely supported at the rear side of the first longitudinal plate/the second longitudinal plate, the supporting plate is connected with the first longitudinal plate/the second longitudinal plate through the connecting plate, and the connecting plate is hinged with the supporting plate and the first longitudinal plate/the second longitudinal plate through hinge pages.
The insulating bracket is made of bakelite materials, the stability and the electrical insulation meet the requirements, the hardness is high, the supporting force is strong, the upper end of the lifting bracket is provided with the concave U-shaped bayonets in an array, before the voltage withstand test is carried out on the switch on the electric column, the insulating outgoing line cable is embedded into the U-shaped bayonets on the lifting bracket, the cable is supported by fixing the cable position through the U-shaped seal, the ground is in an insulating state, and then the corresponding voltage withstand test is carried out, so that the test safety and the test result accuracy can be effectively ensured.
In order to ensure the convenience of the use of the invention, the lifting bracket and the retractable support are foldable. Firstly, the supporting plates of the technical scheme are movably connected with the first longitudinal plate/the second longitudinal plate of the lifting support through the hinges and the connecting plates, when in use, the connecting plates are pulled outwards, the connecting plates are transversely connected between the supporting plates and the first longitudinal plate/the second longitudinal plate, a backward inclined supporting mode enables the two supporting plates and the lifting support to form a mode similar to a triangular supporting mode, the structure is simple, firm and firm, when the lifting support is not needed to be used, the connecting plates are retracted, the supporting plates are folded upwards along with the connecting plates, and the supporting plates on two sides are attached to the first longitudinal plate/the second longitudinal plate in parallel; the third node of the lifting support is in a detachable connection mode, so that a connecting bolt on the third node can be loosened when the lifting support is used, at the moment, the second longitudinal plate and the second transverse plate are separated, and because the second node and the fourth node are connected through a 45-degree node hinge, the second longitudinal plate controlled by the second node can be folded to be parallel and overlapped with the first transverse plate to form a first folding part, the second transverse plate controlled by the fourth node can be folded to be parallel and overlapped with the first longitudinal plate to form a second folding part, finally, a 45-degree folding hinge is used for folding the lower folding plate of the first longitudinal plate to be perpendicular to the upper folding plate of the first longitudinal plate and simultaneously parallel to the direction in which the first transverse plate is located, and because the second transverse plate hinged with the lower folding plate is folded to be perpendicular to the upper folding plate together, that is, the whole second folding part is folded to be parallel to the first folding part by the folding hinge, and the whole lifting support is completely folded to form a tightly combined rectangular folding body, firm and convenient to store.
Further, the rear sides of the first longitudinal plate and the second longitudinal plate are respectively provided with an axially extending wing plate, the plane where the wing plates are located is perpendicular to the plane where the first longitudinal plate and the second longitudinal plate are located, the wing plates are provided with clamping grooves, the upper end and the lower end of each clamping groove are respectively provided with a bayonet, the supporting plate of the folding support is axially provided with a sliding groove, the sliding groove slides in the clamping grooves in the folding process of the supporting plate, and the front ends of the sliding grooves are clamped in or separated from the bayonets at the upper end and the lower end of each clamping groove.
According to the technical scheme, in order to stabilize the supporting effect of the folding support, the wing plates are respectively arranged at the rear sides of the first longitudinal plate and the second longitudinal plate, the clamping grooves on the wing plates are mutually matched with the sliding grooves on the supporting plates, the supporting plates always slide along the tracks of the clamping grooves in the folding process, the clamping grooves are also provided with bayonets, and the supporting plates are clamped in the bayonets at the upper ends when being folded, so that the situation that the folding support cannot be unfolded accidentally in the folding and carrying processes is ensured; the support plate is clamped in the bayonet at the lower end when being unfolded, so that the stability and the reliability of the support process are ensured.
Further, the opening directions of the node hinge on the second node and the node hinge on the fourth node are the same, and the folding hinge is opposite to the opening direction of the node hinge.
Further, the support plate comprises an upper support plate and a lower support plate, wherein the upper end of the upper support plate is installed in a clamping groove of a wing plate in a matched mode through a sliding groove, the lower end of the upper support plate is hinged with a connecting plate through a hinge, the lower support plate is axially fixed at the lower end of the upper support plate through a bolt, and the lower support plate is connected to the upper side of the upper support plate in a staggered mode.
The invention has the beneficial effects that: 1. before the voltage withstand test of the switch on the power column, the insulated outgoing line cable can be embedded into the U-shaped bayonet on the lifting support and supported by fixing the cable position through the U-shaped seal, so that the ground is in an insulated state, and then the corresponding voltage withstand test is carried out, so that the test safety and the test result accuracy can be effectively ensured. 2. The insulating support disclosed by the invention adopts a hinge folding mode, so that the folding of the folding support can be completed, the separation and folding of the lifting support can also be completed, and the whole support is simple in structure, firm and durable, convenient to fix, small in occupied area, convenient to fold, convenient to store and high in safety and reliability.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic view of the folded state of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an insulating bracket for withstand voltage test of a switch on a power pole includes: the lifting support is a rectangular lifting support formed by sequentially connecting a first longitudinal plate A, a first transverse plate B, a second longitudinal plate C and a second transverse plate D clockwise, the first longitudinal plate is composed of an upper folding plate A1 and a lower folding plate A2, the upper folding plate and the lower folding plate are connected through a folding hinge E, a first node 1 is formed by fixedly connecting the upper folding plate A1 and the first transverse plate B through a screw, a second node 2 is formed by connecting the first transverse plate B and the second longitudinal plate C through a node hinge F1, a third node 3 is formed by detachably connecting the second longitudinal plate C and the second transverse plate D through a bolt, a fourth node 4 is formed by connecting the lower folding plate A2 and the second transverse plate D through a node hinge F2, the installation directions of the node hinges F1 and F2 on the second node 2 and the fourth node 4 are all 45 DEG with the horizontal plane, the inclination directions of the node hinges are consistent with the inclination directions of the diagonal directions of the second node 2 and the fourth node 4, and the inclination directions of the diagonal directions of the node hinges E are consistent with the inclination directions of the diagonal directions of the second node 2 and the fourth node 4, and the inclination directions of the diagonal directions of the node 4 are consistent with the inclination directions of the folding hinges 1; the opening directions of the node hinge F1 on the second node and the node hinge F2 on the fourth node are the same, and the folding hinge E is opposite to the opening directions of the two node hinges; the first transverse plates are provided with concave U-shaped bayonets 5 in an array manner, each U-shaped bayonet 5 is provided with a U-shaped seal 6 matched with the U-shaped bayonet, one end of each U-shaped seal 6 is pivoted with the first transverse plate through a rotating shaft, the other end of each U-shaped seal is buckled on a screw rod of a dovetail adjusting wire through an opening slot, the dovetail adjusting wire is arranged on the first transverse plate, and the U-shaped seals are positioned and fastened through the dovetail adjusting wire; the lower ends of the first longitudinal plate A and the second longitudinal plate C are respectively provided with a folding support, each folding support comprises a supporting plate 7 and a connecting plate 8, the supporting plates 7 are obliquely supported on the rear sides of the first longitudinal plate A/the second longitudinal plate C, the supporting plates 7 are connected with the first longitudinal plate A/the second longitudinal plate C through the connecting plates 8, and the connecting plates 8 are hinged with the supporting plates and the first longitudinal plate A/the second longitudinal plate C through hinges 8a respectively.
In order to stabilize the supporting effect of the retractable support, in this embodiment, the rear sides of the first longitudinal plate a and the second longitudinal plate C are respectively provided with an axially extending wing plate 9, the plane where the wing plate 9 is located is perpendicular to the plane where the first longitudinal plate and the second longitudinal plate are located, the wing plate is provided with a clamping groove 9a, the upper end and the lower end of the clamping groove are respectively provided with a bayonet, the supporting plate 7 of the retractable support is axially provided with a sliding groove 7a, the sliding groove 7a slides in the clamping groove 9a in the retraction process of the supporting plate, and the front end of the sliding groove 7a is clamped or separated with the bayonet at the upper end and the lower end of the clamping groove 9 a.
The following description is made on the use and folding process of the present technical solution in conjunction with fig. 1, 2 and 3: firstly, the insulating support is made of bakelite materials, stability and electrical insulation meet requirements, hardness is high, supporting force is strong, and the supporting plate 7 of the technical scheme is movably connected with the first longitudinal plate A/second longitudinal plate C of the lifting support through a hinge 8a and a connecting plate 8. When in use, the support plate 7 is pulled outwards, the connecting plate 8 is transversely connected between the support plate 7 and the first longitudinal plate A/the second longitudinal plate C, and the backward inclined support mode enables a similar triangular support mode to be formed between the two support plates and the lifting support, so that the structure is simple, firm and firm. The upper end array of the lifting support is provided with a concave U-shaped bayonet, and before the voltage withstand test is carried out on the switch on the electric column, the insulated outgoing line cable is embedded into the U-shaped bayonet on the lifting support and is supported through the U-shaped sealing fixed cable position, so that the insulated outgoing line cable is in an insulated state on the ground, and then the corresponding voltage withstand test is carried out, so that the test safety and the test result accuracy can be effectively ensured.
When the connecting plate 8 is not needed to be used, the supporting plates 7 are folded upwards, and the supporting plates on two sides are attached to the first longitudinal plate A/the second longitudinal plate C in parallel; the third node 3 of the lifting bracket is in a detachable connection mode, so that when the lifting bracket is used, a connecting bolt on the third node 3 can be loosened, at the moment, the second longitudinal plate C and the second transverse plate D are separated, because the second node 2 and the fourth node 4 are connected through a 45-degree node hinge, the second longitudinal plate C controlled by the second node 2 can be folded to be overlapped with the first transverse plate B in parallel to form a first folding part, the second transverse plate D controlled by the fourth node 4 can be folded to be overlapped with the first longitudinal plate A in parallel to form a second folding part, finally, a 45-degree folding hinge E is used for folding the lower folding plate A2 of the first longitudinal plate to be vertical to the upper folding plate A1 of the first longitudinal plate and simultaneously to be parallel to the direction of the first transverse plate B, and because the second transverse plate hinged with the lower folding plate is folded to be vertical to the upper folding plate together, as shown in the figure 3, the whole second folding part is folded to be parallel to the first folding part by the folding hinge, and the whole lifting bracket is completely and firmly folded to form a tight folding combination.
Claims (3)
1. The utility model provides a switch withstand voltage test insulating support on electric power post which characterized in that includes: the lifting support is a rectangular lifting support formed by sequentially connecting a first longitudinal plate, a first transverse plate, a second longitudinal plate and a second transverse plate clockwise, the first longitudinal plate is formed by an upper folding plate and a lower folding plate, the upper folding plate and the lower folding plate are connected through a folding hinge, a first node is formed by fixedly connecting the upper folding plate and the first transverse plate through a screw, a second node is formed by connecting the first transverse plate and the second longitudinal plate through a node hinge, a third node is formed by detachably connecting the second longitudinal plate and the second transverse plate through a bolt, a fourth node is formed by connecting the lower folding plate and the second transverse plate through a node hinge, the installation directions of the node hinges on the second node and the fourth node are all 45 degrees with the horizontal plane, the inclination directions of the node hinges are consistent with the inclination directions of diagonal lines connected with the second node and the fourth node, the folding hinges are installed along the directions of 45 degrees with the horizontal plane, and the inclination directions of the node hinges are consistent with the diagonal directions connected with the first node and the third node; the opening directions of the node hinges on the second node and the node hinges on the fourth node are the same, and the opening directions of the folding hinges and the node hinges are opposite; the first transverse plates are provided with concave U-shaped bayonets in an array manner, each U-shaped bayonet is provided with a U-shaped seal matched with the U-shaped bayonet, one end of each U-shaped seal is pivoted with the first transverse plate through a rotating shaft, the other end of each U-shaped seal is buckled on a screw rod of a dovetail adjusting wire through an opening slot, the dovetail adjusting wire is arranged on the first transverse plates, and the U-shaped seals are positioned and fastened through the dovetail adjusting wires; the lower ends of the first longitudinal plate and the second longitudinal plate are respectively provided with a folding support, the folding support comprises a supporting plate and a connecting plate, the supporting plate is obliquely supported at the rear side of the first longitudinal plate/the second longitudinal plate, the supporting plate is connected with the first longitudinal plate/the second longitudinal plate through the connecting plate, and the connecting plate is hinged with the supporting plate and the first longitudinal plate/the second longitudinal plate through hinge pages.
2. The insulation support for a withstand voltage test of a power pole switch according to claim 1, wherein: the rear sides of the first longitudinal plate and the second longitudinal plate are respectively provided with an axially extending wing plate, the plane where the wing plates are located is perpendicular to the plane where the first longitudinal plate/the second longitudinal plate is located, the wing plates are provided with clamping grooves, the upper end and the lower end of each clamping groove are respectively provided with a bayonet, the supporting plate of the retractable support is axially provided with a sliding groove, the sliding groove slides in the clamping grooves in the retractable process of the supporting plate, and the front ends of the sliding grooves are clamped in or separated from the bayonet at the upper end and the lower end of each clamping groove.
3. The insulation support for a withstand voltage test of a power pole switch according to claim 2, wherein: the support plate include backup pad and lower backup pad, the upper end of last backup pad install in the draw-in groove of pterygoid lamina through the spout cooperation, the lower extreme of going up the backup pad is articulated with the link plate through the hinge, the lower backup pad pass through the lower extreme of bolt axial fixation last backup pad, the lower backup pad misconnection in the upside of last backup pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610725010.0A CN106199082B (en) | 2016-08-26 | 2016-08-26 | Insulating support for withstand voltage test of switch on power column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610725010.0A CN106199082B (en) | 2016-08-26 | 2016-08-26 | Insulating support for withstand voltage test of switch on power column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106199082A CN106199082A (en) | 2016-12-07 |
| CN106199082B true CN106199082B (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610725010.0A Active CN106199082B (en) | 2016-08-26 | 2016-08-26 | Insulating support for withstand voltage test of switch on power column |
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| Country | Link |
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| CN (1) | CN106199082B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599981U (en) * | 2012-05-22 | 2012-12-12 | 辽宁省电力有限公司沈阳供电公司 | General insulation cap for 66kV cable withstand voltage test |
| CN203365481U (en) * | 2013-07-20 | 2013-12-25 | 国家电网公司 | A foldable insulating bar withstand voltage test support |
| CN203455443U (en) * | 2013-08-23 | 2014-02-26 | 国家电网公司 | Power frequency voltage resisting test device for insulating rod or rope |
| CN204631077U (en) * | 2015-05-29 | 2015-09-09 | 颜粉英 | Electrical engineering insulating pole withstand voltage test bracing or strutting arrangement |
| CN205502989U (en) * | 2016-03-25 | 2016-08-24 | 国网山东省电力公司莱芜供电公司 | Folded cascade electric power support |
| CN206114702U (en) * | 2016-08-26 | 2017-04-19 | 国网山东省电力公司威海供电公司 | Electric power column switch withstand voltage test insulation support |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10107041B4 (en) * | 2001-02-15 | 2006-08-03 | Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto | Support device for a portable device |
-
2016
- 2016-08-26 CN CN201610725010.0A patent/CN106199082B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599981U (en) * | 2012-05-22 | 2012-12-12 | 辽宁省电力有限公司沈阳供电公司 | General insulation cap for 66kV cable withstand voltage test |
| CN203365481U (en) * | 2013-07-20 | 2013-12-25 | 国家电网公司 | A foldable insulating bar withstand voltage test support |
| CN203455443U (en) * | 2013-08-23 | 2014-02-26 | 国家电网公司 | Power frequency voltage resisting test device for insulating rod or rope |
| CN204631077U (en) * | 2015-05-29 | 2015-09-09 | 颜粉英 | Electrical engineering insulating pole withstand voltage test bracing or strutting arrangement |
| CN205502989U (en) * | 2016-03-25 | 2016-08-24 | 国网山东省电力公司莱芜供电公司 | Folded cascade electric power support |
| CN206114702U (en) * | 2016-08-26 | 2017-04-19 | 国网山东省电力公司威海供电公司 | Electric power column switch withstand voltage test insulation support |
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| Publication number | Publication date |
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| CN106199082A (en) | 2016-12-07 |
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