CN212182944U - Transformer neutral point clearance protection device convenient to overhaul - Google Patents
Transformer neutral point clearance protection device convenient to overhaul Download PDFInfo
- Publication number
- CN212182944U CN212182944U CN202020898211.2U CN202020898211U CN212182944U CN 212182944 U CN212182944 U CN 212182944U CN 202020898211 U CN202020898211 U CN 202020898211U CN 212182944 U CN212182944 U CN 212182944U
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- protection device
- rope
- neutral point
- support
- base
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Abstract
The utility model discloses a transformer neutral point clearance protection device convenient to overhaul relates to circuit device's technical field, to including the protection device main part, support post and support base, the protection device main part is installed on the support base, the support base slides along support post length side and cup joints on the support post, the support post prolongs its length direction from the top and has seted up the control flume, the lateral wall of control flume is connected with the rope shaft, and the winding has the connection rope on the rope shaft, and the lateral wall of control flume has seted up the grooving along its length direction, connects rope one end and passes the grooving and be connected with the support base, and the other end is connected with the power unit that drives its motion on the rope shaft. The protection device is convenient for workers to overhaul or replace the protection main body on the ground, so that the time of the workers in air operation is shortened, and the safety of overhauling and replacing the protection device main body by the workers is improved.
Description
Technical Field
The utility model belongs to the technical field of circuit arrangement's technique and specifically relates to a transformer neutral point clearance protection device convenient to overhaul is related to.
Background
110kV and 220kV are main voltage levels of a power supply network, a neutral point generally adopts a direct grounding mode due to high voltage, and partial transformers adopt a neutral point ungrounded mode in order to limit single-phase short-circuit current due to the requirements of relay protection setting configuration, communication interference prevention and the like. Under the operation mode, neutral point overvoltage can be caused by lightning stroke, single-phase earth short circuit fault and the like, and most transformers are in graded insulation, so the overvoltage greatly threatens the insulation of the neutral point, and a protection device must be arranged on the neutral point to prevent accidents; the gap discharge voltage of the existing protection device is unstable, the gap distance is not easy to adjust, potential safety hazards exist, and the working efficiency is low.
The utility model discloses chinese utility model that prior art publication number is CN205389099U, publication date is 20160720 provides a transformer neutral point clearance ground connection protection device, including the protection device main part, the protection device main part includes neutral point switch, zinc oxide arrester, current transformer, discharge gap, neutral point lead terminal. The protection device also comprises an electric operating mechanism, a base, an equipment pillar, a counter and a grounding plate; the neutral point switch is rotatably connected with the upper end of the voltage protector, and the voltage protector is fixed on the left side of the base; the zinc oxide lightning arrester is fixed at the middle tail position of the base; the current transformer is fixed on the right side of the base; the discharge gap is arranged between the zinc oxide arrester and the current transformer; the electric operating mechanism is fixed below the equipment support column, and the top end of the equipment support column is fixedly connected with the base through a bolt; the grounding plate is arranged on the side surface of the lower end of the equipment support; the counter is fixed on the side surface of the upper end of the equipment support; the utility model has the characteristics of the function is complete, small, the reliability is high, be convenient for installation and debugging etc, easy operation easily uses widely.
Among the above-mentioned technical scheme, when the staff need change or overhaul the spare part of protection main part, need work at the eminence for a long time, the security is low like this.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a transformer neutral point clearance protection device convenient to overhaul to improve the security that the staff overhauld or changed the protection device main part.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a transformer neutral point clearance protection device convenient to overhaul, includes the protection device main part, support post and support base, and the protection device main part is installed on the support base, the support base slides along support post length direction and cup joints on the support post, the support post is prolonged its length direction from the top and has been seted up the control flume, the lateral wall of control flume is connected with the fag end, the winding has the connection rope on the fag end, the fag end has been seted up along its length direction to the lateral wall of control flume, it passes the fag end and is connected with the support base to connect rope one end, and the other end is connected with the power unit that drives its motion on the fag end.
Through adopting above-mentioned technical scheme, the staff is when needing to overhaul or change the spare part in the protection device main part, the staff can rise earlier to protection device main part department, dismantle it to external connecting wire, later the staff passes through control power unit, utilize and connect the rope so that support the base and slide along the support post below, and then make things convenient for the staff to overhaul or change the protection main part on ground, the time of staff at aerial operation has been reduced, in order to improve the security that the staff overhauld and more smooth protection device main part.
The utility model discloses further set up to: the power mechanism comprises a driving motor and a rope collecting shaft, the rope collecting shaft is rotatably connected in the control groove and is in coaxial key connection with an output shaft of the driving motor, and the driving motor is fixedly arranged on the lower side of the supporting upright post.
Through adopting above-mentioned technical scheme, when driving motor forward rotated, drive receipts rope axle and rotate, connect the rope winding on receiving the rope axle, connect the rope simultaneously and drive and support the base and rise to will support the base and reach corresponding work height. When the driving motor rotates reversely, the connecting rope drives the supporting base to descend, so that workers can conveniently overhaul the protecting device main body.
The utility model discloses further set up to: the power mechanism further comprises an insulating protective cover, and the insulating protective cover is sleeved on the driving motor.
Through adopting above-mentioned technical scheme, the setting of insulating protection casing can play the guard action to driving motor to prolong its life.
The utility model discloses further set up to: the support base comprises a base body and a sliding long barrel sleeve, the sliding long barrel sleeve is in sliding sleeve connection with the support upright post, and the sliding long barrel sleeve is fixedly connected with the lower end face of the base body.
Through adopting above-mentioned technical scheme, the setting of the long barrel casing that slides can improve the stability of supporting the base in the slip in-process for the base body is difficult for taking place the slope at the lift in-process.
The utility model discloses further set up to: the inner side wall of the sliding long barrel sleeve is provided with a stabilizing protrusion, the supporting upright post is provided with a stabilizing groove along the length direction of the supporting upright post, and the stabilizing protrusion is inserted into the stabilizing groove.
Through adopting above-mentioned technical scheme, stabilize the recess and stabilize bellied cooperation setting for it is difficult to take place to rotate at the lift in-process to support the base, improves the stability that supports base lift process.
The utility model discloses further set up to: the upper end of the control groove is connected with an insulating protective cover.
Through adopting above-mentioned technical scheme, the setting of insulating protective cover can block up the control groove, reduces the inslot because of ponding in order to connect rope, rope shaft and receive the life-span influence of rope shaft.
The utility model discloses further set up to: insulating protective cover and the lateral wall fixed connection of control tank, and insulating protective cover and support base butt.
Through adopting above-mentioned technical scheme, power unit is connected the rope in the drive and will be supported the base and rise to the support post top after, connects the rope pulling and supports the base, makes to support the base simultaneously and supports insulating protective cover tightly in order to improve and support base fixed stability.
The utility model discloses further set up to: the lower end of the supporting upright post is connected with a supporting bulge used for abutting against the supporting base.
Through adopting above-mentioned technical scheme, work so that support base whereabouts when driving motor, treat that support base whereabouts to support protruding department after, support the base butt on supporting protruding to the staff overhauls and changes the protection device main part.
To sum up, the utility model discloses a beneficial technological effect does:
1. setting of a protection device: when the staff overhauls or changes the spare part in the protection device main part, the staff can rise earlier to protection device main part department, dismantle it to external connection line, later the staff passes through control power unit, utilize and connect the rope so that support the base along support post slip towards the below, and then make things convenient for the staff to overhaul or change the protection main part on ground, the time of staff at aerial operation has been reduced, in order to improve the security that the staff overhauld and more smooth protection device main part.
2. Setting of the sliding long barrel sleeve: the stability of the supporting base in the sliding process can be improved, so that the base body is not easy to incline in the lifting process;
3. stabilize recess and stabilize bellied cooperation setting: the supporting base is difficult to rotate in the lifting process, and the stability of the lifting process of the supporting base is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an exploded view of a support column, support base;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.
Reference numerals: 1. a protection device main body; 2. supporting the upright post; 3. a support base; 4. a base body; 5. sliding the long cylinder sleeve; 6. a control slot; 7. a rope shaft; 8. connecting ropes; 9. rope grooves; 10. connecting the branch ropes; 11. a drive motor; 12. a rope retracting shaft; 13. an insulating protective cover; 14. a stabilizing projection; 15. a stabilizing recess; 16. a support boss; 17. an insulating protective cover 18 and a connecting rope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a transformer neutral point clearance protection device convenient to overhaul, including protection device main part 1, support post 2 and support base 3. The supporting base 3 comprises a base body 4 and a sliding long barrel sleeve 5, the sliding long barrel sleeve 5 is in sliding sleeve connection with the supporting upright post 2, and the sliding long barrel sleeve 5 is fixedly connected with the lower end face of the base body 4. Protection device main part 1 is installed on base body 4, and support base 3 slides along support column 2 length direction and cup joints on support column 2.
Referring to fig. 2 and 3, the supporting upright 2 is provided with a control groove 6 along the length direction from the top end, the side wall of the control groove 6 is rotatably connected with a rope shaft 7, and a connecting rope 18 is wound on the rope shaft 7. Rope groove 9 has been seted up along its length direction to the lateral wall of control groove 6, connect 18 one ends of rope and pass rope groove 9 and be connected with support base 3, the other end is connected with the power unit that drives its motion on rope shaft 7, in order to improve the stability that connects 18 control of rope and support base 3 and rise or descend, it is connected with three connection branch rope 10 to connect 18 one ends of rope, support post 2 corresponds three connection branch rope 10 and has all seted up rope groove 9, connect branch rope 10 and pass rope groove 9 and the long section of thick bamboo of slip cover 5 fixed connection.
The power mechanism comprises a driving motor 11 and a rope collecting shaft 12, the rope collecting shaft 12 is rotatably connected in the control groove 6, the rope collecting shaft 12 is in coaxial key connection with an output shaft of the driving motor 11, and the driving motor 11 is fixedly arranged on the lower side of the supporting upright post 2. The power mechanism further comprises an insulating protective cover 13, and the insulating protective cover 13 is sleeved on the driving motor 11 to protect the driving motor 11. The operation is such that the driving motor 11 is rotated to wind and unwind the connecting rope 18 on the rope winding shaft 12. Thereby enabling the supporting base 3 to lift and slide on the supporting upright post 2.
In order to improve the stability of the support base 3 during sliding. The inside wall of the long sliding barrel sleeve 5 is provided with a stabilizing protrusion 14, the supporting upright post 2 is provided with a stabilizing groove 15 along the length direction of the supporting upright post, the stabilizing protrusion 14 is inserted in the stabilizing groove 15 along the length direction of the stabilizing groove 15 in a sliding manner, and the supporting base 3 is difficult to rotate in the lifting process.
In order to reduce the influence of rainwater on the service life of the rope shaft 7, the connecting rope 18 and the rope collecting shaft 12 in the control groove 6, an insulating protective cover 17 is connected to the upper end part of the control groove 6. Insulating protective cover 17 and control slot 6's lateral wall threaded connection, and insulating protective cover 17 and support base 3 butt to improve the fixed stability who supports base 3 and make at work.
The lower end of the supporting upright post 2 is connected with a supporting bulge 16 used for abutting against the supporting base 3, so that when the supporting base 3 falls to a certain height, the supporting base 3 abuts against the supporting bulge 16, and a worker can conveniently overhaul the protection device.
The specific working process of this embodiment: in the initial state, the connecting rope 18 pulls the base body 4 to abut against the insulating protection cover 17. When the staff need maintain or change the spare part of protection device main part 1, the staff can rise to the eminence earlier, the external wiring of connecting protection device main part 1 is dismantled, later drive driving motor 11 rotates, receive rope axle 12 and rotate, connect rope 18 in the effect of receiving rope axle 12 and rope axle 7 in order to drive support base and protection device main part 1 fall to with support protruding 16 butt, so that the staff overhauls on ground, change, installation protection device main part 1. After the staff overhauls, changes, installs protection device main part 1, staff driving motor 11 rotates to make and connect 18 rolling of rope on receipts rope axle 12, connect simultaneously that rope 18 drives and supports base 3 and protection device main part 1 and rise and support tight insulating protective cover 17.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a transformer neutral point clearance protection device convenient to overhaul, includes protection device main part (1), its characterized in that: still include support post (2) and support base (3), install protection device main part (1) support on base (3), support base (3) along support post (2) length direction slip cup joint support post (2) are last, control groove (6) have been seted up along its length direction from the top in support post (2), the lateral wall of control groove (6) is connected with rope shaft (7), the winding has connection rope (18) on rope shaft (7), rope groove (9) have been seted up along its length direction to the lateral wall of control groove (6), it passes rope groove (9) and is connected with support base (3) to connect rope (18) one end, and the other end is connected with the power unit who drives its motion on rope shaft (7).
2. The transformer neutral point gap protection device convenient to overhaul according to claim 1, wherein: the power mechanism comprises a driving motor (11) and a rope collecting shaft (12), the rope collecting shaft (12) is rotatably connected in the control groove (6), the rope collecting shaft (12) is in coaxial key connection with an output shaft of the driving motor (11), and the driving motor (11) is fixedly arranged on the lower side of the supporting upright post (2).
3. The transformer neutral point gap protection device convenient to overhaul according to claim 2, wherein: the power mechanism further comprises an insulating protective cover (13), and the insulating protective cover (13) is sleeved on the driving motor (11).
4. The transformer neutral point gap protection device convenient to overhaul according to claim 1, wherein: the support base (3) comprises a base body (4) and a sliding long barrel sleeve (5), the sliding long barrel sleeve (5) is in sliding sleeve connection with the support upright post (2), and the sliding long barrel sleeve (5) is fixedly connected with the lower end face of the base body (4).
5. The transformer neutral point gap protection device convenient to overhaul according to claim 4, wherein: the inner side wall of the sliding long barrel sleeve (5) is provided with a stabilizing protrusion (14), the supporting upright post (2) is provided with a stabilizing groove (15) along the length direction of the supporting upright post, and the stabilizing protrusion (14) is inserted into the stabilizing groove (15).
6. The transformer neutral point gap protection device convenient to overhaul according to claim 1, wherein: the upper end of the control groove (6) is connected with an insulating protective cover (17).
7. The transformer neutral point gap protection device convenient to overhaul according to claim 6, wherein: insulating protective cover (17) and the lateral wall fixed connection of control groove (6), and insulating protective cover (17) and support base (3) butt.
8. The transformer neutral point gap protection device convenient to overhaul according to claim 1, wherein: the lower end of the supporting upright post (2) is connected with a supporting bulge (16) used for abutting against the supporting base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898211.2U CN212182944U (en) | 2020-05-23 | 2020-05-23 | Transformer neutral point clearance protection device convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898211.2U CN212182944U (en) | 2020-05-23 | 2020-05-23 | Transformer neutral point clearance protection device convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212182944U true CN212182944U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020898211.2U Expired - Fee Related CN212182944U (en) | 2020-05-23 | 2020-05-23 | Transformer neutral point clearance protection device convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212182944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696252A (en) * | 2022-06-01 | 2022-07-01 | 杭州勒格智能设备有限公司 | Transformer overhauls detection robot |
-
2020
- 2020-05-23 CN CN202020898211.2U patent/CN212182944U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114696252A (en) * | 2022-06-01 | 2022-07-01 | 杭州勒格智能设备有限公司 | Transformer overhauls detection robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |