CN221040802U - Transformer lightning arrester convenient to overhaul - Google Patents
Transformer lightning arrester convenient to overhaul Download PDFInfo
- Publication number
- CN221040802U CN221040802U CN202322538254.6U CN202322538254U CN221040802U CN 221040802 U CN221040802 U CN 221040802U CN 202322538254 U CN202322538254 U CN 202322538254U CN 221040802 U CN221040802 U CN 221040802U
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- lightning arrester
- transformer
- overhaul
- lifting mechanism
- support plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000012212 insulator Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a transformer lightning arrester convenient to overhaul, and belongs to the technical field of power equipment. This transformer lightning arrester sets up in the inboard that is located the maintenance of the end of the fire wall of transformer one side and stacks, includes: the lightning arrester is characterized by comprising a support plate, a movable plate, a lightning arrester and a lifting mechanism, wherein driving grooves are respectively formed in opposite sides in the overhaul stack, the lifting mechanism is respectively arranged in the driving grooves, the movable plate and the lifting mechanism are in transmission connection and can move up and down along the lifting mechanism under the action of the movable plate, the support plate is fixedly connected with the movable plate, and the lightning arrester is arranged on the support plate. According to the lightning arrester of the transformer, a worker can overhaul the lightning arrester in an overhaul stack, and the lightning arrester is lowered to a proper height through the lifting mechanism when overhaul is needed, so that convenience is brought to overhaul of the lightning arrester, overhaul cost is reduced, and overhaul work is safer and more reliable.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a transformer lightning arrester convenient to overhaul.
Background
With the development of economy, the construction of 500kV transformer substation engineering faces the problems of land shortage, high construction cost, environment coordination and the like, the arrangement of transformer substations is increasingly developed to be compact, and land index control of the whole station distribution device field is continuously improved.
If the patent of the utility model with the publication number of CN214506064U is granted, a 500kV main transformer overhead incoming line structure of a 500kV indoor transformer substation is provided, the 500kV main transformer overhead incoming line structure comprises a firewall and a main transformer overhead incoming line platform, a lightning arrester is arranged at the top end of the firewall, the firewall and the main transformer overhead incoming line platform are sequentially arranged along the longitudinal direction, and a GIS sleeve and a voltage transformer are sequentially arranged along the transverse direction, so that the occupied area is saved, and the construction engineering quantity is reduced. But the arrester of this structure is installed on the high firewall of height, and the firewall has certain width, when overhauling the arrester, the staff need go to the firewall with the help of the instrument earlier, carries out the overhead operation again, and the maintenance cost is higher and the security is not enough.
In view of the above, the present utility model provides a transformer lightning arrester that is convenient to maintain, so as to solve the above problems.
Disclosure of utility model
The utility model aims to provide a transformer lightning arrester convenient to overhaul, which can conveniently carry out lifting overhaul on the lightning arrester, and has high overhaul efficiency and is safer and more reliable.
The utility model provides a transformer lightning arrester convenient to overhaul, which is arranged on the inner side of an overhaul stack at the end part of a firewall positioned at one side of a transformer, and comprises the following components: the lightning arrester comprises a support plate, a movable plate, a lightning arrester and a lifting mechanism, wherein driving grooves are respectively formed in opposite sides in the overhaul stack, the lifting mechanism is respectively arranged in the driving grooves, the movable plate and the lifting mechanism are in transmission connection and can move up and down under the action of the lifting mechanism, the support plate is fixedly connected with the movable plate, and the lightning arrester is arranged on the support plate.
Preferably, the lifting mechanism comprises a screw rod and a motor, the screw rod is rotatably installed in the driving groove, and the motor is arranged at the bottom end of the screw rod and used for driving the screw rod to rotate positively and negatively.
Preferably, two ends of the screw rod are rotatably connected with the overhaul stack through bearings.
Preferably, threaded holes in threaded connection with the screw rods are formed in two ends of the moving plate, and the moving plate is vertically and integrally connected with the support plate.
Preferably, a sliding groove is formed in the adjacent side of the driving groove, a pulley is mounted on one side of the support plate, and the pulley can roll along the sliding groove.
Preferably, limit grooves are respectively formed in two sides of the sliding groove, and the rotating shafts of the pulleys extend into the limit grooves towards two ends.
Preferably, an insulator is arranged at the top of the firewall, and the lightning arrester is electrically connected with the high-voltage side of the transformer through the insulator.
Preferably, a voltage transformer and a GIS sleeve are arranged on one side of the transformer, and the lightning arrester is electrically connected with the voltage transformer and the GIS sleeve.
Preferably, the overhaul stack is arranged on one side of the voltage transformer, the cross section of the overhaul stack is U-shaped, and one side of the overhaul stack, which is far away from the firewall, is open.
Preferably, the transformer and the firewall are multiple groups, and the transformer and the firewall are arranged at intervals.
Compared with the prior art, the utility model has the following beneficial effects:
Through setting up the maintenance at the one end of preventing wall and stamping, set up the drive slot in the inboard of stamping of repairing, and set up elevating system in the drive slot, can drive movable plate and extension board through elevating system and reciprocate, the arrester is installed on the extension board, when needs overhauld the arrester, start elevating system, make the movable plate move down, and then drive the arrester through the extension board and move down, treat that the arrester removes to suitable height after, elevating system stops the action, the staff can overhaul the arrester in the maintenance is stamped, the maintenance for the arrester provides convenience, not only reduced the maintenance cost, also make the maintenance work safer.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the arrangement of a transformer lightning arrester and a transformer and firewall according to the present utility model;
Fig. 2 is a schematic perspective view of a overhauling stack and a lightning arrester therein in the utility model;
Figure 3 is a schematic side view of the internal lightning conductor of the utility model after a stack has been broken away;
fig. 4 is a schematic top view of the installation state of the transformer lightning arrester of the present utility model.
Reference numerals illustrate:
1: a transformer; 2: a firewall; 3: a stack is overhauled; 4: an insulator; 5: a lightning arrester; 6: a voltage transformer; 7: GIS sleeve; 8: a support plate; 9: a moving plate; 10: pulley, 11: chute, 12: a limit groove; 13: a driving groove; 14: a screw rod; 15: and a motor.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, this embodiment provides a transformer lightning arrester convenient to overhaul, the device set up in the one end that is located the firewall 2 of transformer 1 one side, and the one end that is provided with of firewall 2 overhauls the stack 3, and this lightning arrester sets up in the inboard of overhauling the stack 3, and lightning arrester includes: the lightning arrester 5 is installed on the support plate 8, the movable plate 9, the lightning arrester 5 and the lifting mechanism, the driving grooves 13 which are arranged along the up-down direction are respectively formed in opposite sides in the overhaul stack 3, the lifting mechanism is respectively installed in each driving groove 13, two sides of the movable plate 9 can move up and down along the lifting mechanism under the action of the driving mechanisms, the support plate 8 is fixedly connected with the movable plate 9, the lightning arrester 5 is installed on the support plate 8, when the lightning arrester 5 needs to be overhauled, the lifting mechanism is started, the movable plate 9 moves downwards, the lightning arrester 5 is driven to move downwards through the support plate 8, after the lightning arrester 5 moves to a proper height, the lifting mechanism stops moving, workers can overhaul the lightning arrester 5 in the overhaul stack 3, convenience is provided for overhauling the lightning arrester 5, and overhauling cost is reduced.
In this embodiment, the lifting mechanism includes a screw 14 and a motor 15, two ends of the screw 14 are rotatably mounted in the driving groove 13 through bearings, the motor 15 is disposed at the bottom end of the screw 14, and an output shaft of the motor 15 is connected with the screw 14 through a coupling, and the motor 15 is used for driving the screw 14 to rotate in forward and reverse directions, and through the screw 14. The movable plate 9 is arranged in the overhaul stack 3, and threaded holes in threaded connection with the screw rod 14 are respectively formed in two ends of the movable plate 9, so that the movable plate 9 can move up and down when the screw rod 14 rotates. The movable plate 9 and the support plate 8 are all positioned in the horizontal plane, and the support plate 8 is vertically and integrally connected with the middle part of the movable plate 9. The balance of two sides of the support plate 8 can be guaranteed by moving the two screw rods 14 in cooperation with the moving plate 9, and the two motors 15 respectively drive the two screw rods 14 to rotate, so that sufficient power can be guaranteed, the support plate 8 can be moved to the top of the firewall 2, and the lightning arrester 5 is positioned at the top of the firewall 2 to conduct lightning protection.
In this embodiment, the adjacent side of the drive slot 13 is provided with a chute 11, and the side of the support plate 8 remote from the opening of the stack 3 is provided with two pulleys 10, the pulleys 10 being located within the chute 11, and the pulleys 10 being capable of rolling along the chute 11. In the process that the movable plate 9 drives the lightning arrester 5 to move through the support plate 8, the pulley 10 can assist the support plate 8 to move and limit the support plate 8, so that the stability and fluency of the movement of the support plate 8 are ensured. Limiting grooves 12 are respectively formed in two sides of the sliding groove 11, and the rotating shafts of the pulleys 10 extend to the two ends of the limiting grooves 12, so that the pulleys 10 can be prevented from being separated from the sliding groove 11 in the rolling process, and the support plate 8 can be further ensured to drive the lightning arrester 5 to stably move up and down.
In this embodiment, the transformers 1 and the fire-proof walls 2 are multiple groups, and are arranged at intervals, lightning protection devices are arranged in the overhauling stack 3 at one end of the fire-proof wall 2 at the adjacent side of each transformer 1, insulators 4 are respectively arranged at the top of the fire-proof wall 2, and the lightning protection devices 5 are electrically connected with the high-voltage side of the transformers 1 through the insulators 4. One side of the transformer 1 is provided with a voltage transformer 6 and a GIS sleeve 7, and the lightning arrester 5 is electrically connected with the voltage transformer 6 and the GIS sleeve 7. The voltage transformer 6 is disposed on one side of the service stack 3, the cross section of the service stack 3 is U-shaped, and the side of the service stack 3 away from the firewall 2 (i.e., the side close to the voltage transformer 6) is open.
The transformer 1 changes an alternating voltage by using the principle of electromagnetic induction, and a stationary device having two or more windings converts an alternating voltage and current of one system into a voltage and current of another system by electromagnetic induction at the same frequency for transmitting electric power. The firewall 2 enables each transformer 1 to obtain an independent working space, provides protection for each transformer 1, and also protects workers. The overhaul stack 3 is used for providing space for overhaul work of the lightning arrester 5, and also provides installation space for the lightning arrester 5, so that normal use of the lightning arrester 5 is ensured, and the incoming line arrangement area of the transformer 1 is not increased. The lightning arrester 5, the GIS sleeve 7 and the voltage transformer 6 are arranged in a triangular mode, the longitudinal size of the incoming line arrangement of the transformer 1 is compressed, the occupied area is saved, the construction engineering quantity is reduced, the construction difficulty is reduced, and the civil engineering cost is saved.
The working principle of the utility model is as follows:
S1, starting the transformer 1 to perform transformation work, separating each transformer 1 by a fire wall 2, protecting the transformer 1 and workers, and protecting the transformer 1 by a lightning arrester 5 positioned at the top of the fire wall 2, so that lightning impulse is effectively absorbed, overvoltage is dissipated, the impulse and the damage degree are reduced, and the transformer 1 and auxiliary equipment thereof are protected from being struck by lightning;
S2, when the lightning arrester 5 needs to be overhauled, starting a motor 15, driving a screw rod 14 to rotate by the motor 15, driving a movable plate 9 to move downwards by the screw rod 14, and driving the lightning arrester 5 to move downwards by the movable plate 9 through a support plate 8;
And S3, after the lightning arrester 5 moves to a proper height, the motor 15 is turned off, and a worker can overhaul the lightning arrester 5 in the overhaul stack 3. After the overhaul is completed, the motor 15 is controlled to rotate reversely, and the support plate 8 drives the lightning arrester 5 to move to the top of the firewall 2 to conduct lightning protection.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a transformer lightning arrester convenient to overhaul, sets up in the inboard of overhauing of the end of the fire wall that is located transformer one side, its characterized in that includes: the lightning arrester comprises a support plate, a movable plate, a lightning arrester and a lifting mechanism, wherein driving grooves are respectively formed in opposite sides in the overhaul stack, the lifting mechanism is respectively arranged in the driving grooves, the movable plate and the lifting mechanism are in transmission connection and can move up and down under the action of the lifting mechanism, the support plate is fixedly connected with the movable plate, and the lightning arrester is arranged on the support plate.
2. The transformer lightning arrester convenient to overhaul according to claim 1, wherein the lifting mechanism comprises a screw rod and a motor, the screw rod is rotatably installed in the driving groove, and the motor is arranged at the bottom end of the screw rod and is used for driving the screw rod to rotate positively and negatively.
3. The transformer lightning arrester of claim 2, wherein the two ends of the lead screw are rotatably coupled to the service stack via bearings.
4. The transformer lightning arrester convenient to overhaul according to claim 2, wherein threaded holes in threaded connection with the screw rods are formed in two ends of the movable plate, and the movable plate is integrally connected with the support plate vertically.
5. The transformer lightning arrester of claim 1, wherein adjacent sides of the driving groove are provided with sliding grooves, and pulleys are mounted on one side of the support plate and can roll along the sliding grooves.
6. The transformer lightning arrester convenient to overhaul according to claim 5, wherein limiting grooves are respectively formed in two sides of the sliding groove, and the rotating shaft of the pulley extends into the limiting grooves from two ends.
7. The transformer lightning arrester convenient to overhaul as claimed in claim 1, wherein an insulator is arranged at the top of the firewall, and the lightning arrester is electrically connected with the high-voltage side of the transformer through the insulator.
8. The transformer lightning arrester convenient to overhaul according to claim 1, wherein a voltage transformer and a GIS sleeve are arranged on one side of the transformer, and the lightning arrester is electrically connected with the voltage transformer and the GIS sleeve.
9. The transformer lightning arrester of claim 8, wherein the service stack is disposed on a side of the voltage transformer, the service stack has a U-shaped cross-section, and the service stack is open on a side thereof remote from the firewall.
10. The transformer lightning arrester of claim 1, wherein the transformer and the firewall are arranged in a plurality of groups and are spaced apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322538254.6U CN221040802U (en) | 2023-09-18 | 2023-09-18 | Transformer lightning arrester convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322538254.6U CN221040802U (en) | 2023-09-18 | 2023-09-18 | Transformer lightning arrester convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040802U true CN221040802U (en) | 2024-05-28 |
Family
ID=91135737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322538254.6U Active CN221040802U (en) | 2023-09-18 | 2023-09-18 | Transformer lightning arrester convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040802U (en) |
-
2023
- 2023-09-18 CN CN202322538254.6U patent/CN221040802U/en active Active
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