CN213275687U - Movable is convenient for adjust device of alternating current withstand voltage test wiring - Google Patents
Movable is convenient for adjust device of alternating current withstand voltage test wiring Download PDFInfo
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- CN213275687U CN213275687U CN202022088017.0U CN202022088017U CN213275687U CN 213275687 U CN213275687 U CN 213275687U CN 202022088017 U CN202022088017 U CN 202022088017U CN 213275687 U CN213275687 U CN 213275687U
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Abstract
The utility model discloses a movable is convenient for adjust device of alternating current withstand voltage test wiring, including displacement adjusting part (1), hang subassembly and control assembly, wherein hang the subassembly and include insulating suspender (2) and hollow horizontal insulator spindle (3), displacement adjusting part (1) lower extreme is connected to insulating suspender (2) one end, and wherein hollow horizontal insulator spindle (3) are connected to insulating suspender (2) other end, and wherein the alternating current withstand voltage test wiring passes hollow horizontal insulator spindle (3) and carries out position control through displacement adjusting part (1), displacement adjusting part (1) is connected with the control assembly electricity.
Description
Technical Field
The utility model belongs to the technical field of 110kV and above electrical equipment adopts alternating current power frequency, series resonance, parallel resonance or series-parallel resonance method to carry out alternating current withstand voltage test equipment, concretely relates to movable is convenient for adjust device of alternating current withstand voltage test wiring.
Background
Usually, before leaving a factory and after completing installation, all electrical devices need to be subjected to an ac voltage withstand test to find out possible insulation defects of the devices in the manufacturing process, the transportation process and the installation process. Taking a 330kV circuit breaker as an example, the technical requirements of the 330kV circuit breaker main loop closing and ground alternating current withstand voltage test are increased to 510kV, the withstand voltage time is 60s, any phase is taken to close the circuit breaker during the test, the corresponding static contact and the movable contact are in short circuit connection through a soft copper wire, and after the wiring is finished, the voltage adding line of the test transformer is connected with the movable contact of the circuit breaker (other two-phase methods are the same as the above methods); the alternating current withstand voltage test between the fractures of the main circuit of the 330kV circuit breaker requires that the voltage is increased to 580kV, the withstand voltage time is 60s, any phase of the circuit breaker is removed during the test, the static contact of the circuit breaker is reliably grounded by a soft copper wire, and the moving contact is connected with a voltage outlet terminal of a voltage regulating transformer by a voltage increasing wire (other two-phase methods are the same as the above).
When the electrical equipment is in the wiring of the alternating-current withstand voltage test, the position of a pressurizing wire of the voltage regulating transformer needs to be changed back and forth, the wiring position is high, the wiring efficiency in the test is low, the requirement on the electrical distance is high in the test, the wiring position is adjusted manually at present, the adjusting difficulty is high, and the operation risk is high.
For solving the problem, the utility model provides a movable is convenient for adjust device of alternating current withstand voltage test wiring.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a movable is convenient for adjust device of alternating current withstand voltage test wiring, overcome among the prior art and carried out the adjustment of wiring position through the manual work, experimental wiring efficiency is slow, requires also higher to electrical distance during experimental, and the adjustment degree of difficulty is big, problem such as operation risk height.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a movable is convenient for adjust device of exchanging withstand voltage test wiring, includes displacement adjusting part, hangs subassembly and control assembly, wherein hangs the subassembly and includes insulating suspender and hollow horizontal insulator spindle, displacement adjusting part lower extreme is connected to insulating suspender one end, and wherein hollow horizontal insulator spindle is connected to the insulating suspender other end, and wherein the pressurization line passes hollow horizontal insulator spindle and carries out position control through displacement adjusting part, displacement adjusting part is connected with the control assembly electricity.
Preferably, the displacement adjusting assembly comprises a first motor, a second motor, a displacement guide rail, a roller, a connecting frame, a winch, a fixed pulley, a hook and a displacement adjusting control box, wherein the displacement guide rail is horizontally fixed on the bridge crane, a clamping groove is formed in the inner side of the displacement guide rail along the length direction, the roller is matched with the clamping groove, the first motor is connected to the middle position of the roller, the roller is enabled to move left and right along the length direction of the displacement guide rail by the first motor, the lower end of the first motor is connected with the connecting frame, the winch is fixed in the connecting frame, one side of the winch is connected with the second motor, the lower end of the winch is connected with the fixed pulley, a plurality of circles of steel wire ropes are wound on the winch, the steel wire ropes are connected with the hook by bypassing the fixed pulley, the hook is connected with an insulating sling, and the first motor and the, wherein the displacement adjusting control box is electrically connected with the control component.
Preferably, the inner sides of the two ends of the displacement guide rail are respectively provided with a left limit switch and a right limit switch, wherein the fixed pulley is provided with an upper limit switch, and the left limit switch, the right limit switch and the upper limit switch are respectively connected with the displacement adjusting control box.
Preferably, one end of the insulating sling is connected with the hook, and the other end of the insulating sling is connected with the axial center of the hollow horizontal insulating rod.
Preferably, the inner diameter of the hollow horizontal insulating rod is larger than the diameter of the pressurizing line, and the inner diameter of the radial section of the hollow horizontal insulating rod is circular, square or rhombic.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses portable is convenient for adjust device of alternating current withstand voltage test wiring is applicable to 110kV and above electrical equipment alternating current withstand voltage test field, and simple easy operation, when equipment made the alternating current withstand voltage test project of factory test or handing-over test, alternating current withstand voltage test wiring or add the line can carry out the displacement according to equipment actual position, can improve the wiring speed when large-scale electrical equipment alternating current withstand voltage test, improve the wiring efficiency when equipment was made alternating current withstand voltage test;
(2) the utility model discloses portable device of being convenient for adjust alternating current withstand voltage test wiring includes displacement adjustment assembly, suspension assembly and control assembly, wherein displacement adjustment assembly can adjust suspension assembly and move, reciprocate, the pressurization line passes in the hollow horizontal insulator spindle, can move to assigned position through displacement adjustment assembly as required, does not need manual adjustment, has avoided the personal injury that the manual work is too close to electrical equipment and causes, carry out remote control through control assembly, position control is simple, the efficiency of experimental wiring is fast;
(3) the utility model discloses hang the subassembly and include insulating suspender and hollow horizontal insulator spindle, wherein insulating suspender one end is connected with the couple, and the insulating suspender other end puts with the axial direction center of hollow horizontal insulator spindle and is connected, and insulating suspender can be rotated around couple 360 degrees owing to be flexible, adapts to different experimental wiring position requirements to insulating suspender is easily changed, and is quick detachable, and is swift practical, and the effect is carried in the province time.
Drawings
FIG. 1 is a schematic structural view of a displacement adjusting assembly of a movable device for conveniently adjusting the wiring of an AC withstand voltage test of the present invention;
FIG. 2 is a schematic structural view of a suspension assembly of the movable device for conveniently adjusting the wiring of the AC withstand voltage test of the present invention;
FIG. 3 is a schematic circuit diagram of a displacement adjusting assembly of the movable device for conveniently adjusting the wiring of the AC withstand voltage test of the present invention;
fig. 4 the utility model relates to a movable is convenient for adjust the practical application schematic diagram of the device of the withstand voltage test wiring of exchanging.
Description of the reference numerals
1. The displacement adjusting assembly comprises a displacement adjusting assembly 2, an insulating sling 3, a hollow horizontal insulating rod 4, a static contact 5, a pressurizing wire 6, a moving contact 7 and a voltage regulating transformer;
1-1 part of a first motor, 1-2 parts of a second motor, 1-3 parts of a displacement guide rail, 1-4 parts of a roller, 1-5 parts of a connecting frame, 1-6 parts of a winch, 1-7 parts of a fixed pulley, 1-8 parts of a hook, 1-9 parts of a displacement adjusting control box, 1-10 parts of a left limit switch, 1-11 parts of a right limit switch, 1-12 parts of an upper limit switch.
Detailed Description
The following description of the embodiments of the present invention is provided in connection with the following embodiments:
it should be noted that the structures, ratios, sizes, etc. illustrated in the present specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships or adjustments of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and the achievable purposes of the present invention.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example 1
As shown in fig. 1, 2 and 4, the movable device convenient for adjusting the wiring of the alternating current withstand voltage test comprises a displacement adjusting assembly 1, a suspension assembly and a control assembly, wherein the suspension assembly comprises an insulating hanging strip 2 and a hollow horizontal insulating rod 3, one end of the insulating hanging strip 2 is connected with the lower end of the displacement adjusting assembly 1, the other end of the insulating hanging strip 2 is connected with the hollow horizontal insulating rod 3, a pressurizing line 5 penetrates through the hollow horizontal insulating rod 3 and carries out position adjustment through the displacement adjusting assembly 1, and the displacement adjusting assembly 1 is electrically connected with the control assembly.
The control assembly is a PLC control assembly.
Example 2
As shown in fig. 1, preferably, the displacement adjusting assembly 1 includes a first motor 1-1, a second motor 1-2, a displacement guide rail 1-3, a roller 1-4, a connecting frame 1-5, a winch 1-6, a fixed pulley 1-7, a hook 1-8 and a displacement adjusting control box 1-9, wherein the displacement guide rail 1-3 is horizontally fixed on the bridge crane, a slot is arranged on the inner side of the displacement guide rail 1-3 along the length direction, wherein the roller 1-4 is matched with the slot, a first motor 1-1 is connected to the middle position of the roller 1-4, wherein the first motor 1-1 enables the roller 1-4 to move left and right along the length direction of the displacement guide rail 1-3, the lower end of the first motor 1-1 is connected with the connecting frame 1-5, the device comprises a connecting frame 1-5, a winch 1-6, a second motor 1-2, a fixed pulley 1-7, a plurality of circles of steel wire ropes wound on the winch 1-6, a hook 1-8, an insulating sling 2, a displacement adjusting control box 1-9, a first motor 1-1 and a second motor 1-2, and a control assembly, wherein the winch 1-6 is fixed in the connecting frame 1-5, one side of the winch 1-6 is connected with the second motor 1-2, the lower end of the winch 1-6 is connected with the fixed pulley 1-7, the steel wire ropes are wound around the fixed pulley 1-7 and connected with the hook 1-8, the hook 1-8 is connected with the.
The displacement guide rails 1-3 can also be arranged on the top of the factory building.
As shown in fig. 3, the first motor 1-1 (M1) controls left and right displacement, the second motor 1-2 (M2) controls up and down displacement, the displacement adjustment control box 1-9 controls the first motor 1-1 and the second motor 1-2 to rotate forward and backward, the displacement adjustment control box 1-9 comprises four ac contactors, namely KM1, KM2, KM3 and KM4, wherein KM1 controls M2 to rotate forward (upward displacement), KM2 controls M2 to rotate backward (downward displacement), KM3 controls M1 to rotate forward (leftward displacement), and KM4 controls M1 to rotate backward (rightward displacement).
Example 3
As shown in fig. 1, preferably, the inner sides of the two ends of the displacement guide rail 1-3 are respectively provided with a left limit switch 1-10 and a right limit switch 1-11, wherein the fixed pulley 1-7 is provided with an upper limit switch 1-12, and wherein the left limit switch 1-10, the right limit switch 1-11 and the upper limit switch 1-12 are respectively connected with a displacement adjusting control box 1-9.
The left limit switch 1-10 (SQ 2), the right limit switch 1-11 (SQ 3) and the upper limit switch 1-12 (SQ 1) are used for limiting the positions of the hooks 1-8, and the limit switches are existing components.
As shown in fig. 3, the left limit switches 1 to 10 (SQ 2) are connected to a line between the first motor 1 to 1 and the KM3 of the displacement-regulating control box 1 to 9, wherein the right limit switches 1 to 11 (SQ 3) are connected to a line between the first motor 1 to 1 and the KM4 of the displacement-regulating control box 1 to 9, and wherein the upper limit switches 1 to 12 (SQ 1) are connected to a line between the second motor 1 to 2 and the KM1 of the displacement-regulating control box 1 to 9.
Example 4
As shown in fig. 2, preferably, one end of the insulating sling 2 is connected with the hooks 1-8, wherein the other end of the insulating sling 2 is connected with the axial center position of the hollow horizontal insulating rod 3.
The insulating sling is flexible, can rotate 360 degrees around the couple, adapts to different experimental wiring position requirements.
The inner diameter of the hollow horizontal insulating rod 3 is larger than the diameter of the pressurizing line 5, wherein the inner diameter of the radial section of the hollow horizontal insulating rod 3 is circular, square or rhombic.
The working principle of the utility model is as follows:
the utility model discloses a portable device of adjusting alternating current withstand voltage test wiring of being convenient for includes displacement adjustment subassembly 1, hangs subassembly and control assembly, hangs the subassembly and includes insulating suspender 2 and hollow horizontal insulator spindle 3, and insulating suspender 2 one end is connected the couple 1-8 of displacement adjustment subassembly 1, and the insulating suspender 2 other end is connected with the axial central point of hollow horizontal insulator spindle 3 and puts, and control assembly control displacement adjustment subassembly 1's first motor 1-1 rotates and drives gyro wheel 1-4 and move about in the draw-in groove of displacement guide rail 1-3, and control assembly control displacement adjustment subassembly 1's second motor 1-2 rotates and drives hoist engine 1-6 and rotate and realize that couple 1-8 reciprocates, passes the pressurization line in the hollow horizontal insulator spindle, therefore, the alternating current withstand voltage test wiring or the pressurizing line moves up and down, left and right along with the displacement adjusting assembly 1 and is adjusted to the designated position.
The utility model discloses a use as follows, as shown in FIG. 4:
1. when the electric equipment is delivered from a factory or is subjected to a handover test, taking an alternating-current withstand voltage test of a 330kV circuit breaker main circuit fracture as an example, taking any phase of the circuit breaker, reliably grounding a static contact 4 of the circuit breaker by using a soft copper wire, penetrating a pressurizing line 5 (a test connecting line) through a hollow horizontal insulating rod 3, connecting one end of the pressurizing line 5 with a movable contact 6 of the circuit breaker, and connecting the other end of the pressurizing line 5 with a pressurizing terminal of a regulating transformer 7;
2. after the static contact 4 finishes wiring, controlling the displacement adjusting assembly 1 to move a pressure line hung on a device which is convenient for adjusting the wiring of the alternating current withstand voltage test to a specified height and position;
3. after reaching the designated position, the pressurizing wire is reliably connected with the moving contact 6 of the circuit breaker;
4. after the connection of the dynamic and static contacts of the circuit breaker is finished in the test, all on-site personnel are evacuated to a safe area, the voltage is increased to 580kV according to the technical requirements of manufacturers and industries, and the withstand voltage time is 1min so as to test the withstand voltage degree of a fracture of a main circuit of the circuit breaker.
The utility model discloses portable is convenient for adjust device of alternating current withstand voltage test wiring includes displacement adjusting part, suspension assembly and control assembly, wherein displacement adjusting part can adjust and control the suspension assembly and remove, reciprocate, during the pressurization line passed hollow horizontal insulator spindle, can remove to the assigned position through displacement adjusting part as required, do not need artifical adjustment, avoided the personal injury that artifical distance electrical equipment caused too closely, carry out remote control through control assembly, position control is simple, experimental wiring efficiency is fast.
The utility model discloses portable is convenient for adjust device of alternating current withstand voltage test wiring is applicable to 110kV and above electrical equipment alternating current withstand voltage test field, simple easy operation, when equipment makes the experimental alternating current withstand voltage test project of factory or handing-over experiment, the pressurization line can carry out the displacement according to equipment actual position, can improve the wiring speed when large-scale electrical equipment alternating current withstand voltage test, wiring efficiency when improve equipment is alternating current withstand voltage test.
The utility model discloses hang the subassembly and include insulating suspender and hollow horizontal insulator spindle, wherein insulating suspender one end is connected with the couple, and the insulating suspender other end puts with the axial direction center of hollow horizontal insulator spindle and is connected, and insulating suspender can be rotated around couple 360 degrees owing to be flexible, adapts to different experimental wiring position requirements to insulating suspender is easily changed, and is quick detachable, and is swift practical, and the effect is carried in the province time.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (5)
1. The utility model provides a device that movable is convenient for adjust test wiring of alternating current withstand voltage which characterized in that: including displacement adjusting part (1), suspension assembly and control assembly, wherein suspension assembly includes insulating suspender (2) and hollow horizontal insulator spindle (3), displacement adjusting part (1) lower extreme is connected to insulating suspender (2) one end, and wherein hollow horizontal insulator spindle (3) are connected to insulating suspender (2) other end, and wherein add line (5) and pass hollow horizontal insulator spindle (3) and carry out position control through displacement adjusting part (1), displacement adjusting part (1) is connected with the control assembly electricity.
2. The device of claim 1, wherein the device is a removable device for adjusting the connection of an alternating current withstand voltage test, and comprises: the displacement adjusting assembly (1) comprises a first motor (1-1), a second motor (1-2), a displacement guide rail (1-3), rollers (1-4), a connecting frame (1-5), a winch (1-6), fixed pulleys (1-7), a hook (1-8) and a displacement adjusting control box (1-9), wherein the displacement guide rail (1-3) is horizontally fixed on the bridge crane, a clamping groove is formed in the inner side of the displacement guide rail (1-3) along the length direction, the rollers (1-4) are matched with the clamping groove, the first motor (1-1) is connected to the middle position of the rollers (1-4), the rollers (1-4) are enabled to move left and right along the length direction of the displacement guide rail (1-3) by the first motor (1-1), the lower end of the first motor (1-1) is connected with the connecting frame (1-5), the winch (1-6) is fixed in the connecting frame (1-5), one side of the winch (1-6) is connected with the second motor (1-2), the lower end of the winch (1-6) is connected with the fixed pulley (1-7), a plurality of circles of steel wire ropes are wound on the winch (1-6), the steel wire ropes are wound around the fixed pulley (1-7) to be connected with the hook (1-8), the hook (1-8) is connected with the insulating sling (2), the first motor (1-1) and the second motor (1-2) are respectively connected with the displacement adjusting control box (1-9), and the displacement adjusting control box (1-9) is electrically connected with the control component.
3. The device of claim 2, wherein the device is a removable device for adjusting the connection of the alternating current withstand voltage test, and comprises: the inner sides of two ends of the displacement guide rail (1-3) are respectively provided with a left limit switch (1-10) and a right limit switch (1-11), wherein the fixed pulley (1-7) is provided with an upper limit switch (1-12), and the left limit switch (1-10), the right limit switch (1-11) and the upper limit switch (1-12) are respectively connected with a displacement adjusting control box (1-9).
4. The device of claim 2, wherein the device is a removable device for adjusting the connection of the alternating current withstand voltage test, and comprises: one end of the insulating sling (2) is connected with the hook (1-8), and the other end of the insulating sling (2) is connected with the axial center of the hollow horizontal insulating rod (3).
5. The device of claim 1, wherein the device is a removable device for adjusting the connection of an alternating current withstand voltage test, and comprises: the inner drift diameter of the hollow horizontal insulating rod (3) is larger than the diameter of the pressurizing line (5), and the shape of the drift diameter in the radial section of the hollow horizontal insulating rod (3) is circular, square or rhombic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022088017.0U CN213275687U (en) | 2020-09-22 | 2020-09-22 | Movable is convenient for adjust device of alternating current withstand voltage test wiring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022088017.0U CN213275687U (en) | 2020-09-22 | 2020-09-22 | Movable is convenient for adjust device of alternating current withstand voltage test wiring |
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| CN213275687U true CN213275687U (en) | 2021-05-25 |
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| CN202022088017.0U Active CN213275687U (en) | 2020-09-22 | 2020-09-22 | Movable is convenient for adjust device of alternating current withstand voltage test wiring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256647A (en) * | 2021-11-12 | 2022-03-29 | 国网浙江省电力有限公司温州市洞头区供电公司 | Wiring device for alternating current withstand voltage test of indoor circuit breaker |
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2020
- 2020-09-22 CN CN202022088017.0U patent/CN213275687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256647A (en) * | 2021-11-12 | 2022-03-29 | 国网浙江省电力有限公司温州市洞头区供电公司 | Wiring device for alternating current withstand voltage test of indoor circuit breaker |
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