CN109884348B - High tension cable alternating current withstand voltage test insulating support - Google Patents
High tension cable alternating current withstand voltage test insulating support Download PDFInfo
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- CN109884348B CN109884348B CN201811468046.0A CN201811468046A CN109884348B CN 109884348 B CN109884348 B CN 109884348B CN 201811468046 A CN201811468046 A CN 201811468046A CN 109884348 B CN109884348 B CN 109884348B
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Abstract
The invention relates to a high-voltage cable test auxiliary tool, in particular to an insulating support for a high-voltage cable alternating-current voltage withstand test. The utility model provides a high tension cable alternating current withstand voltage test insulating support, which comprises a mainboard, the both sides of mainboard are all rotated and are connected with the auxiliary board, be provided with the dead lever on the mainboard, the one end that the mainboard was kept away from to the dead lever is provided with the lifter, the one end that the dead lever was kept away from to the lifter is provided with the connecting rod, the top of connecting rod is provided with the supporting shoe that is V type form and is used for supporting cable, be provided with high adjusting device between lifter and the dead lever, high adjusting device is including setting up the lift hole on the dead lever, the lifter be located lift downthehole and with lift hole sliding connection, be provided with driving motor on the bottom surface in lift hole, the one end that the. The invention is convenient for adjusting the height of the cable from the ground and enables the cable to be stably placed.
Description
Technical Field
The invention relates to a high-voltage cable test auxiliary tool, in particular to an insulating support for a high-voltage cable alternating-current voltage withstand test.
Background
The alternating current withstand voltage test of the cable is an important part in the cable test, a main core of the cable is provided with high voltage, a sufficient safety distance needs to be kept between the cable and the ground, otherwise, the cable discharges to the ground, the test cannot be normally carried out, and equipment damage may be caused.
At present, the device for lifting the cable is not used, but some objects found on site are adopted, such as a tool box, a wooden stool and the like, and the cable is heavy, so that the stability of placement cannot be guaranteed, the requirement on the ground distance cannot be met, and certain damage to the outer protection layer of the cable is easily caused.
For example, Chinese patent publication numbers are: CN205861723U, a cross-linked cable withstand voltage test cable head supporting and fixing device announced in 2017, 1, 4, the device comprises an insulating base and an insulating support, wherein an insulating sleeve is fixedly arranged on the upper portion of the insulating base, the lower end of the insulating support is arranged in the insulating sleeve in a sliding mode, a positioning screw is further arranged on the upper portion of the insulating sleeve, the insulating support comprises a trunk cable insulating support and a phase cable insulating support, the lower end of the trunk cable insulating support is arranged in the insulating sleeve in a sliding mode, the phase cable insulating support is fixedly arranged on the trunk cable insulating support, at least three bearing frames are fixedly arranged at the tail end of the phase cable insulating support, and insulating snap rings are further fixedly arranged at the top end of the trunk cable insulating support and the tail end of each bearing frame. The utility model discloses a though simple structure, the processing of being convenient for, insulating nature is good, can make things convenient for safe fixed cable, but the steadiness when placing the cable is not high, and the terrain clearance of cable is difficult for adjusting moreover.
Disclosure of Invention
The invention mainly aims to solve the problems and provides the high-voltage cable alternating-current voltage withstand test insulating support which can conveniently adjust the height of a cable from the ground and can enable the cable to be stably placed.
The purpose of the invention is mainly realized by the following scheme: an insulating support for a high-voltage cable alternating-current withstand voltage test comprises a main board, wherein auxiliary boards are rotatably connected to two sides of the main board, a fixing rod is arranged on the main board, a lifting rod is arranged at one end, away from the main board, of the fixing rod, a connecting rod is arranged at one end, away from the fixing rod, of the lifting rod, a supporting block which is in a V shape and used for supporting a cable is arranged at the top end of the connecting rod, a height adjusting device is arranged between the lifting rod and the fixing rod and comprises a lifting hole arranged on the fixing rod, the lifting rod is located in the lifting hole and is in sliding connection with the lifting hole, the cross section of the lifting rod is in a polygon shape, the shape of the lifting hole is matched with that of the lifting rod, a driving motor is arranged on the bottom surface of the lifting hole, and a hollow cavity is arranged in the middle of one, one end of the lifting rod, which is close to the fixed rod, is provided with an internal thread sleeve, the internal thread sleeve is connected with an external thread rod through threads, and an output shaft of the driving motor is connected with the external thread rod. The main board is placed at a designated target position, the two sides of the main board are rotatably connected with the auxiliary boards, the auxiliary boards at the two sides are placed on the ground, so that the whole device is higher in stability, when the device is not used, the auxiliary boards at the two sides are turned and gathered together, the device is convenient to carry, the main board is provided with a fixed rod, one end, away from the main board, of the fixed rod is provided with a lifting rod, one end, away from the fixed rod, of the lifting rod is provided with a connecting rod, the top end of the connecting rod is provided with a V-shaped supporting block for supporting a cable, the supporting block is made of an insulating material, the cable is placed on the supporting block, the stability is high, a height adjusting device is arranged between the lifting rod and the fixed rod and used for adjusting the ground clearance of the supporting block, the height adjusting device comprises a lifting hole arranged, the shape of the lifting hole is matched with that of the lifting rod, the bottom surface of the lifting hole is provided with a driving motor, the middle part of one end of the lifting rod, which is close to the fixed rod, is provided with a hollow cavity, one end of the lifting rod, which is close to the fixed rod, is provided with an internal thread sleeve, the internal thread sleeve is in threaded connection with an external thread rod, the output shaft of the driving motor is connected with the external thread rod, when the ground clearance of the cable is specifically adjusted, the driving motor is enabled to rotate forwards or, when the driving motor rotates forwards, the external screw rod is driven to rotate forwards, so that the internal screw sleeve connected with the external screw rod in a threaded manner moves upwards along the axial direction of the external screw rod, the internal screw sleeve moves to drive the lifting rod to move upwards simultaneously, therefore, the supporting block and the cable are adjusted to a proper height above the ground, and the cross section of the lifting rod is polygonal, so that the lifting rod cannot rotate in the lifting hole and can only slide along the direction of the lifting hole; on the contrary, when the driving motor rotates reversely, the lifting rod can move downwards to drive the supporting block and the cable to move downwards simultaneously in the same way, and when the driving motor stops rotating, the heights of the supporting block and the cable are fixed.
Preferably, the two sides of the upper surface of the supporting block are provided with clamping balls for limiting the cable. The both sides of the upper surface of supporting shoe are provided with and are used for the spacing card ball of cable, and when the cable was placed on the supporting shoe, the card ball of both sides can play certain limiting displacement to the cable for stability when the cable was placed is higher.
Preferably, the ball is made of elastic material. The clamping ball is made of elastic materials, so that the cable can be conveniently placed and installed, and the outer layer of the cable is not easily damaged.
Preferably, the auxiliary plate is rotatably connected with the main plate through a rotating pin. The auxiliary plate is connected with the main plate in a rotating mode through the rotating pin, the auxiliary plate is rotated during use and placed on the ground, the stability of the whole device is improved, and when the auxiliary plate is not used, the auxiliary plate can be rotated to be close to the main plate in the direction of the main plate, and the auxiliary plate is convenient to carry.
Preferably, the bottom end and the top end of the external thread rod are both provided with a protection plate. The bottom and the top of external screw thread pole all are provided with the guard plate, and the setting of guard plate can prevent that the lifter from breaking away from external screw thread pole when reciprocating, security when improving the adjustment height.
Preferably, one side of the auxiliary plate close to the main plate is provided with a threaded hole, the threaded hole is connected with a fastening bolt in a threaded manner, the bottom end of the threaded hole is provided with a sliding groove communicated to the main plate, a clamping block is arranged in the sliding groove, one end of the clamping block close to the fastening bolt is provided with a guide inclined plane matched with the fastening bolt, one side of the main plate close to the clamping block is provided with a clamping groove used for limiting the clamping block, and one end of the clamping block far away from the clamping groove is connected to the wall of the sliding groove through a reset spring. One side of the auxiliary plate close to the main plate is provided with a threaded hole, a fastening bolt is connected in the threaded hole, a sliding groove communicated to the main plate is formed in the bottom end of the threaded hole, a clamping block is arranged in the sliding groove, one end, close to the fastening bolt, of the clamping block is provided with a guide inclined plane matched with the fastening bolt, one side, close to the clamping block, of the main plate is provided with a clamping groove used for limiting the clamping block, one end, far away from the clamping groove, of the clamping block is connected to the wall of the sliding groove through a reset spring, the auxiliary plate is placed on the ground by rotating the auxiliary plate, then the fastening bolt is rotated to enable the fastening bolt to move towards the direction of the clamping block, when the fastening bolt abuts against the guide inclined plane, the fastening bolt; when the device is not used, the fastening bolt is moved in the direction away from the fixture block, so that the fastening bolt does not exert force on the fixture block, and the fixture block is reset under the action of the reset spring.
Preferably, the inner wall of the auxiliary plate fitting fixture block is provided with a mounting plate, a rolling groove is formed between the mounting plate and the inner wall of the auxiliary plate, a ball is arranged in the rolling groove, and one side of the ball abuts against the fixture block. The mounting plate is arranged on the inner wall of the auxiliary plate attaching clamping block, the rolling groove is formed between the mounting plate and the inner wall of the auxiliary plate, the rolling groove is internally provided with a ball, one side of the ball is supported on the clamping block, and the friction force generated when the clamping block moves is greatly reduced through rolling friction, so that the clamping block can move more effectively and is prevented from being clamped.
Preferably, the fixing rod is provided with an adjusting switch, and the adjusting switch is electrically connected with the driving motor. The fixed rod is provided with an adjusting switch which is electrically connected with the driving motor, and the driving motor can be controlled to rotate forwards, reversely or stop by operating the adjusting switch, so that the operation of the height adjusting device is convenient to operate.
Preferably, the connecting rod is in threaded connection with the lifting rod. Connecting rod threaded connection connects on the lifter, connects firmly, and it is convenient to dismantle.
Therefore, the insulating support for the alternating-current voltage withstand test of the high-voltage cable has the following advantages: the cable lifting device is simple in structure and convenient to carry, the height of the cable above the ground can be conveniently adjusted, and the cable can be stably placed.
Drawings
Fig. 1 is a front view of the present invention.
Figure 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view at a in fig. 1.
Fig. 4 is a cross-sectional view at B in fig. 1.
Illustration of the drawings: 1-cable, 2-ball, 3-support block, 4-connecting rod, 5-lifting rod, 6-regulating switch, 7-fixing rod, 8-fastening bolt, 9-main board, 10-auxiliary board, 11-rotating pin, 12-clamping block, 13-protection board, 14-hollow cavity, 15-external thread rod, 16-internal thread sleeve, 17-lifting hole, 18-driving motor, 19-clamping groove, 20-ball, 21-rolling groove, 22-mounting board, 23-threaded hole, 24-sliding groove, 25-reset spring and 26-guiding inclined plane.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in figures 1, 2 and 3, an insulation support for high voltage cable AC withstand voltage test comprises a main board 9, the main board 9 is placed at a designated target position, both sides of the main board 9 are rotatably connected with auxiliary boards 10, the auxiliary boards 10 are rotatably connected with the main board 9 through rotating pins 11, when in use, the auxiliary boards 10 are rotated and the auxiliary boards 10 are placed on the ground, the stability of the whole device is improved, when not in use, the auxiliary boards 10 can be rotated to enable the auxiliary boards 10 to approach the main board 9 for convenient transportation, a fixing rod 7 is arranged on the main board 9, one end of the fixing rod 7 far away from the main board 9 is provided with a lifting rod 5, one end of the lifting rod 5 far away from the fixing rod 7 is provided with a connecting rod 4, the connecting rod 4 is in threaded connection with the lifting rod 5, the connection is stable and the disassembly is convenient, the top end of the connecting rod 4, the cable 1 is placed on the supporting block 3, the stability is high, the two sides of the upper surface of the supporting block 3 are provided with the clamping balls 2 used for limiting the cable 1, when the cable 1 is placed on the supporting block 3, the clamping balls 2 on the two sides can play a certain limiting role on the cable 1, so that the stability when the cable 1 is placed is higher, the clamping balls 2 are made of elastic materials, the placement and installation of the cable 1 are facilitated, the outer layer of the cable 1 is not easy to damage, a height adjusting device is arranged between the lifting rod 5 and the fixing rod 7 and used for adjusting the ground clearance of the supporting block 3, the height adjusting device comprises a lifting hole 17 arranged on the fixing rod 7, the lifting rod 5 is positioned in the lifting hole 17 and is in sliding connection with the lifting hole 17, the cross section of the lifting rod 5 is polygonal, the shape of the lifting hole 17 is matched with the shape of the lifting rod 5, and the bottom surface of, the middle part of one end of the lifting rod 5 close to the fixed rod 7 is provided with a hollow cavity 14, one end of the lifting rod 5 close to the fixed rod 7 is provided with an internal thread sleeve 16, the internal thread sleeve 16 is in threaded connection with an external thread rod 15, an output shaft of a driving motor 18 is connected with the external thread rod 15, the fixed rod 7 is provided with an adjusting switch 6, the adjusting switch 6 is electrically connected with the driving motor 18, the positive rotation, the negative rotation or the stop of the driving motor 18 can be controlled by operating the adjusting switch 6, the operation of the height adjusting device is convenient to operate, when the ground clearance of the cable is specifically adjusted, the driving motor 18 is driven to rotate positively or negatively by operating the adjusting switch 6, when the driving motor 18 rotates positively, the external thread rod 15 is driven to rotate positively, the internal thread sleeve 16 in threaded connection with the driving motor is driven to move upwards along the axial direction of, therefore, the supporting block 3 and the cable are adjusted to a proper height from the ground, and the cross section of the lifting rod 5 is polygonal, so that the lifting rod 5 cannot rotate in the lifting hole 17 and can only slide along the direction of the lifting hole 17; on the contrary, when the driving motor 18 rotates reversely, the lifting rod 5 moves downwards to drive the supporting block 3 and the cable to move downwards simultaneously in the same way as the above, and when the driving motor 18 stops rotating, the heights of the supporting block 3 and the cable are fixed; the bottom and the top of external screw thread pole 15 all are provided with guard plate 13, and the setting of guard plate 13 can prevent that lifter 5 from breaking away from external screw thread pole 15 when reciprocating, security when improving the adjustment height.
As shown in fig. 4, a threaded hole 23 is formed in one side of the auxiliary plate 10 close to the main plate 9, a fastening bolt 8 is connected in the threaded hole 23, a sliding groove 24 communicated with the main plate 9 is formed in the bottom end of the threaded hole 23, a clamping block 12 is arranged in the sliding groove 24, a guiding inclined surface 26 matched with the fastening bolt 8 is formed in one end of the clamping block 12 close to the fastening bolt 8, a clamping groove 19 used for limiting the clamping block 12 is formed in one side of the main plate 9 close to the clamping block 12, one end of the clamping block 12 far away from the clamping groove 19 is connected to the wall of the sliding groove 24 through a return spring 25, the auxiliary plate 10 is placed on the ground by rotating the auxiliary plate 10, then the fastening bolt 8 is rotated to enable the fastening bolt 8 to move towards the clamping block 12, when the fastening bolt 8 abuts against the guiding inclined surface 26, the fastening bolt 8 continues to rotate, so that, the auxiliary plate 10 is prevented from being rotated freely; when the device is not used, the fastening bolt 8 is moved towards the direction away from the fixture block 12, so that the fastening bolt 8 does not exert force on the fixture block 12, and the fixture block 12 is reset under the action of the reset spring 25; the auxiliary plate 10 is provided with the mounting plate 22 on the inner wall of the fitting clamping block 12, the rolling groove 21 is formed between the mounting plate 22 and the inner wall of the auxiliary plate 10, the rolling ball 20 is arranged in the rolling groove 21, one side of the rolling ball 20 is supported on the clamping block 12, and the friction force generated when the clamping block 12 moves is greatly reduced through rolling friction, so that the clamping block 12 can move more effectively and is prevented from being clamped.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. An insulating support for a high-voltage cable alternating-current withstand voltage test is characterized by comprising a main board, wherein auxiliary boards are rotatably connected to two sides of the main board, a fixing rod is arranged on the main board, a lifting rod is arranged at one end, away from the main board, of the fixing rod, a connecting rod is arranged at one end, away from the fixing rod, of the lifting rod, a supporting block which is in a V shape and used for supporting a cable is arranged at the top end of the connecting rod, a height adjusting device is arranged between the lifting rod and the fixing rod and comprises a lifting hole arranged on the fixing rod, the lifting rod is located in the lifting hole and is in sliding connection with the lifting hole, the cross section of the lifting rod is in a polygon shape, the shape of the lifting hole is matched with that of the lifting rod, a driving motor is arranged on the bottom surface of the lifting hole, and a hollow cavity is arranged in the middle of one end, an internal thread sleeve is arranged at one end of the lifting rod, which is close to the fixed rod, an external thread rod is connected to the internal thread sleeve in a threaded manner, and an output shaft of the driving motor is connected with the external thread rod; one side of the auxiliary plate, which is close to the main plate, is provided with a threaded hole, a fastening bolt is connected in the threaded hole in a threaded manner, the bottom end of the threaded hole is provided with a chute communicated to the main plate, a fixture block is arranged in the chute, one end of the fixture block, which is close to the fastening bolt, is provided with a guide inclined plane matched with the fastening bolt, one side of the main plate, which is close to the fixture block, is provided with a clamping groove for limiting the fixture block, and one end of the fixture block, which is far away from the clamping groove; the bottom and the top of external screw thread pole all be provided with the guard plate.
2. The alternating current voltage withstand test insulating support for the high-voltage cable according to claim 1, wherein clamping balls for limiting the cable are arranged on two sides of the upper surface of the supporting block.
3. The alternating current voltage withstand test insulating support for the high-voltage cable according to claim 2, wherein the clamping ball is made of an elastic material.
4. The alternating current voltage withstand test insulating support for the high-voltage cable according to claim 1, wherein the auxiliary plate is rotatably connected with the main plate through a rotating pin.
5. The insulation support for the alternating current voltage withstand test of the high-voltage cable according to claim 1, wherein a mounting plate is arranged on the inner wall of the auxiliary plate fitting fixture block, a rolling groove is arranged between the mounting plate and the inner wall of the auxiliary plate, a ball is arranged in the rolling groove, and one side of the ball abuts against the fixture block.
6. The alternating current voltage withstand test insulating support for the high-voltage cable according to claim 1, 2, 3 or 4, wherein an adjusting switch is arranged on the fixing rod, and the adjusting switch is electrically connected with a driving motor.
7. The alternating current voltage withstand test insulating support for the high-voltage cable according to claim 1, 2, 3 or 4, wherein the connecting rod is in threaded connection with the lifting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468046.0A CN109884348B (en) | 2018-12-03 | 2018-12-03 | High tension cable alternating current withstand voltage test insulating support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468046.0A CN109884348B (en) | 2018-12-03 | 2018-12-03 | High tension cable alternating current withstand voltage test insulating support |
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| CN109884348A CN109884348A (en) | 2019-06-14 |
| CN109884348B true CN109884348B (en) | 2021-01-26 |
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| CN201811468046.0A Active CN109884348B (en) | 2018-12-03 | 2018-12-03 | High tension cable alternating current withstand voltage test insulating support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113740681A (en) * | 2021-08-31 | 2021-12-03 | 国网河南省电力公司博爱县供电公司 | Power supply insulation safety tool testing device |
| CN115256366A (en) * | 2022-09-06 | 2022-11-01 | 常州汇凯汽车系统有限公司 | Wide manipulator for engine bonnet manufacturing of application scope |
| CN117269543B (en) * | 2023-10-20 | 2024-05-10 | 江苏亨通高压海缆有限公司 | Cable withstand voltage test device and test method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209513850U (en) * | 2018-12-03 | 2019-10-18 | 金华送变电工程有限公司 | A kind of portable high-tension cable ac voltage withstanding test insulating support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2726438Y (en) * | 2004-09-09 | 2005-09-21 | 好孩子儿童用品有限公司 | Dining chair for child |
| CN201740798U (en) * | 2010-06-28 | 2011-02-09 | 中铁电气化局集团有限公司 | Insulating pole withstand voltage test rack |
| CN203275465U (en) * | 2013-06-08 | 2013-11-06 | 保定市汇邦电气有限公司 | Insulator spindle overpressure resistant test support |
| CN205861723U (en) * | 2016-05-20 | 2017-01-04 | 国网山东省电力公司菏泽供电公司 | A kind of crosslinked cable pressure test end supporting adn fixing device |
| CN205844361U (en) * | 2016-06-03 | 2016-12-28 | 国网青海省电力公司海东供电公司 | A kind of for high voltage electric equipment pressure test lead-in wire holder |
| CN107623406A (en) * | 2016-07-13 | 2018-01-23 | 深圳市尊翔科技有限公司 | More piece automatic telescopic link |
| CN106637859A (en) * | 2016-12-02 | 2017-05-10 | 中国计量大学 | Outdoor laundry rack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209513850U (en) * | 2018-12-03 | 2019-10-18 | 金华送变电工程有限公司 | A kind of portable high-tension cable ac voltage withstanding test insulating support |
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