CN116190074A - High-stability transformer suitable for earthquake multiple-zone operation - Google Patents
High-stability transformer suitable for earthquake multiple-zone operation Download PDFInfo
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- CN116190074A CN116190074A CN202310457705.5A CN202310457705A CN116190074A CN 116190074 A CN116190074 A CN 116190074A CN 202310457705 A CN202310457705 A CN 202310457705A CN 116190074 A CN116190074 A CN 116190074A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/073—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only leaf springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a high-stability transformer suitable for running in multiple earthquake zones, which belongs to the technical field of transformers and comprises a transformer main body, wherein the transformer main body is provided with a plurality of sleeve mechanisms which can be connected in a sliding manner, the top of each sleeve mechanism is provided with a transmission mechanism for pressing, and supporting pad feet are fixedly connected between the bottom ends of the transmission mechanisms on two sides. According to the invention, through the designed sleeve mechanism, the terminal at the inner side of the insulating sleeve can shake under the action of the external cable when an earthquake happens, meanwhile, the terminal can drive the insulating sleeve to slide at the top of the transformer main body, meanwhile, the insulating sleeve can move to pull the flexible sleeve at the bottom, the flexible sleeve which can be flexibly unfolded is used for improving the matched sealing treatment of the oil seal at the inner side of the transformer main body, the unfolding energy absorption effect of the insulating sleeve under the condition that the cable is pulled when the earthquake happens is improved, the influence on wiring stability caused by excessive cable pulling of the insulating sleeve is avoided, and the wiring treatment stability when the transformer main body is in the earthquake is improved.
Description
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a high-stability transformer suitable for running in multiple earthquake zones.
Background
The transformer is a device for changing alternating voltage by an electromagnetic induction principle, is indispensable equipment in the electric power field, generates certain heat when working, generally carries out circulation emission treatment through internal transformer oil liquid, but when transformer oil leaks, fires are easier to cause, the stability of the transformer determines the safety of nearby power supply equipment, and has higher requirements on the stability of the transformer in areas with frequent earthquakes.
Chinese patent application CN114156050a discloses a shockproof transformer comprising square channel steel, supporting frame and upper top beam; the square channel steel is a square frame, and connecting strips are welded in the frame; the base of the transformer body is welded on the connecting strip of the square channel steel; the bottom of the supporting frame is welded on the frame of the square channel steel; the upper top beam is fixed on the supporting frame; the upper top beam is fixedly connected with the transformer body; the support frame comprises at least four cable-stayed channel steel; the bottom end of each cable-stayed channel steel is respectively fixed at four corners of the frame of the square channel steel; each cable-stayed channel steel forms an acute angle with the plane where the square channel steel is located. This scheme can effectively reduce the vibrations that the transformer body received, reduces the external impact that the transformer body received, but when in-service use, because the whole vibration of earthquake can be through the conduction to cable department reverse and transformer top insulating sleeve takes place to pull, can lead to insulating sleeve fracture and then lead to transformer oil leakage when vibration traction force is too big, if the ground subsides simultaneously, transformer ground terminal can be with ground separation, influences the earthing effect, therefore, has the space of certain improvement.
Disclosure of Invention
The invention aims at: in order to solve the problem that the whole vibration of an earthquake can be reversely conducted to a cable and pulled by an insulating sleeve at the top end of a transformer, when the vibration pulling force is too large, the insulating sleeve is broken to further cause leakage of transformer oil, and meanwhile, if the ground is sunk in the earthquake, a grounding terminal of the transformer can be separated from the ground to influence the grounding effect, so that the problem of certain improvement space exists, and the high-stability transformer suitable for running in multiple earthquake regions is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a high steady transformer suitable for operation of earthquake multiple spot district, includes the transformer main part, the transformer main part is equipped with a plurality of sliding connection's bushing mechanism, and the bushing mechanism top is equipped with the drive mechanism that is used for the pressfitting, and equal fixedly connected with support pad foot between the drive mechanism bottom of both sides, support pad foot inner chamber is equipped with energy-absorbing mechanism, and energy-absorbing mechanism top and transformer main part bottom fixed connection for absorb earthquake vibration and spacing top bushing mechanism.
As a further description of the above technical solution:
the bushing mechanism comprises an insulating bushing, the insulating bushing is slidably connected in a sealing gasket at the top of the transformer body, a flexible sleeve is fixedly connected at the bottom of the insulating bushing, the bottom end of the flexible sleeve is fixedly connected with one side of an inner cavity of the sealing gasket at the top of the transformer body, a binding post is arranged in the inner cavity of the insulating bushing in a penetrating manner, the binding post is connected with a winding of the inner cavity of the transformer body, a limit nut is connected with the outer side of the tail end of the binding post in a threaded manner, and the top of the insulating bushing is attached to the bottom of the transmission mechanism.
As a further description of the above technical solution:
the bushing mechanism comprises an insulating bushing, the insulating bushing is slidably connected in a sealing gasket at the top of the transformer body, a flexible sleeve is fixedly connected at the bottom of the insulating bushing, the bottom end of the flexible sleeve is fixedly connected with one side of an inner cavity of the sealing gasket at the top of the transformer body, a binding post is arranged in the inner cavity of the insulating bushing in a penetrating manner, the binding post is connected with a winding of the inner cavity of the transformer body, a limit nut is connected with the outer side of the tail end of the binding post in a threaded manner, and the top of the insulating bushing is attached to the bottom of the transmission mechanism.
As a further description of the above technical solution:
the energy-absorbing mechanism comprises two energy-absorbing assembly seats, the two energy-absorbing assembly seats are fixedly connected to the bottom of the transformer main body relatively, the cross section of each energy-absorbing assembly seat is trapezoidal, a sliding hole is formed in an inner cavity of each energy-absorbing assembly seat, a connecting column is connected in the sliding hole in a sliding mode, an abutting block is fixedly connected to the top of each connecting column, the cross section of each abutting block is trapezoidal, the abutting blocks are connected to the inner cavity of each energy-absorbing assembly block in a sliding mode, and the connecting columns extend to the bottoms of the supporting pad feet.
As a further description of the above technical solution:
the energy-absorbing assembly seat inner chamber both sides all fixedly connected with buffer block, and buffer block cross section shape is triangle-shaped, and buffer block one side is laminated with energy-absorbing assembly seat one side inclined plane mutually, and energy-absorbing assembly seat one side fixedly connected with a plurality of energy-absorbing blocks, buffer block one side offered with energy-absorbing block assorted energy-absorbing groove.
As a further description of the above technical solution:
the energy-absorbing mechanism further comprises a hinging seat which is slidably connected with the inner cavity of the supporting pad foot, the inner cavity of the hinging seat is rotationally connected with a disturbance plate, the outer side wall of the connecting column is fixedly connected with a connecting plate, the connecting plate is slidably connected with one side of the inner cavity of the supporting pad foot, and two sides of the disturbance plate are respectively positioned at the bottoms of the connecting plates at corresponding positions.
As a further description of the above technical solution:
a sliding groove is arranged between the connecting column and the abutting block in a penetrating way, a sliding terminal is connected in an inner cavity of the sliding groove in a sliding way, the bottom end of the sliding terminal is fixedly connected with an electric connection elastic sheet, the bottom of the inner cavity of the supporting pad foot is fixedly connected with a mounting plate, the mounting plate inner cavity sliding connection has the ground connection shell fragment, the ground connection shell fragment is located the electric shell fragment bottom that connects for the electric shell fragment receives the vibration slip back and contacts with the ground connection shell fragment and link up the electricity.
As a further description of the above technical solution:
the energy-absorbing assembly seat top has seted up the through-hole, and transformer main part bottom fixedly connected with copper post for ground connection, and copper post sliding connection is in the through-hole for with bottom side sliding terminal top contact is electrically conductive.
As a further description of the above technical solution:
the energy-absorbing rod is fixedly connected to one side of the hinging seat, one ends of the two sides, which are adjacent, of the energy-absorbing rod are fixedly connected, the transmission seat is sleeved on the outer wall of the energy-absorbing rod, the telescopic rod is fixedly connected to the top of the transmission seat, the top of the telescopic rod is fixedly connected with the bottom of the transformer main body, and the compression spring is sleeved on the outer side wall of the telescopic rod.
As a further description of the above technical solution:
the front side of the transformer main body is communicated with an iron core grounding terminal, and the iron core grounding terminal is connected with the bottom of the inner winding iron core.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, through the designed sleeve mechanism, the terminal at the inner side of the insulating sleeve can shake under the action of the external cable when an earthquake happens, meanwhile, the terminal can drive the insulating sleeve to slide at the top of the transformer main body, meanwhile, the insulating sleeve can move to pull the flexible sleeve at the bottom, the flexible sleeve which can be flexibly unfolded is used for improving the matched sealing treatment of the oil seal at the inner side of the transformer main body, the unfolding energy absorption effect of the insulating sleeve under the condition that the cable is pulled when the earthquake happens is improved, the influence on wiring stability caused by excessive cable pulling of the insulating sleeve is avoided, and the wiring treatment stability when the transformer main body is in the earthquake is improved.
2. According to the invention, when the ground vibrates, vibration force can be applied to the bottom support foot to press the top energy-absorbing assembly seat, the energy-absorbing assembly seat can be applied to the energy-absorbing blocks to absorb energy in an abutting mode through the energy-absorbing blocks at two sides of the inner cavity, the energy-absorbing blocks and the abutting blocks can be mutually abutted to further absorb vibration force, the energy-absorbing buffer capacity is improved through the matched buffer blocks and the energy-absorbing assembly seat, the vibration energy-absorbing processing capacity is improved, the trapezoidal abutting blocks can be used for realizing multi-effect energy absorption of vibration impact through the matching of the abutting blocks in the energy-absorbing assembly seat, the influence of vibration force on the working stability of the top transformer main body is avoided, and the stability and safety required by use in a seismic multiple-occurrence area are met.
3. According to the invention, when the energy-absorbing assembly seat is stressed and energy-absorbed to shake, the energy-absorbing assembly seat can be contacted with the disturbance plate through the bottom connecting plate, the disturbance plate can rotate around the hinge seat through the middle hinged part, the disturbance plate can synchronously drive the connecting plate to reversely move when rotating, the connecting plate can drive the abutting block at the other side to contact with the energy-absorbing assembly seat at the corresponding position to absorb energy, the vibration conducted at one side is conducted laterally, the integral energy-absorbing stability is improved, when the two side energy-absorbing assembly seats slide in the supporting pad feet, the hinge seat can move through the energy-absorbing rod at one side to pull the transmission seat, the transmission seat can synchronously pull the telescopic rod to expand and push the compression spring, the impact force can be further absorbed through the strength of the compression spring, the multistage conduction absorption of vibration force is facilitated, and the energy-absorbing adaptation to the vibration source direction is satisfied.
4. According to the invention, when the earthquake intensity exceeds the energy absorption intensity of the abutting block and the energy absorption assembly seat, the energy absorption assembly seat can weaken collapse and break towards two sides through the trapezoid structure, the broken energy absorption assembly seat can enable the copper column at the bottom of the transformer main body to be in contact with the bottom sliding terminal, the sliding terminal can slide in the abutting block and be in contact with the grounding elastic sheet through the bottom side electric elastic sheet, the grounding elastic sheet can be in communication with the sliding terminal and the copper column for grounding, so that the shell of the transformer main body can be always in a grounding state, the grounding treatment effect of the transformer main body after vibration is improved, the grounding conducting effect under the condition of multi-angle inclination is realized through the energy absorption assembly seat arranged at four corners of the bottom of the transformer main body, and the self-protection capability under the emergency condition is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-stability transformer suitable for operation in multiple earthquake zones according to the present invention;
FIG. 2 is a schematic diagram of an explosion splitting structure of a high-stability transformer suitable for operation in multiple earthquake zones according to the present invention;
FIG. 3 is a schematic diagram of a lateral structure of a high-stability transformer for operation in a seismic multi-shot region according to the present invention;
FIG. 4 is a schematic diagram of an enlarged structure of a portion A of a high-stability transformer suitable for operation in multiple earthquake zones according to the present invention;
FIG. 5 is a schematic diagram of a part B of an enlarged structure of a high-stability transformer suitable for operation in multiple earthquake zones according to the present invention;
FIG. 6 is a schematic diagram showing a split structure of an energy absorbing mechanism of a high-stability transformer suitable for operation in multiple earthquake zones;
FIG. 7 is a schematic diagram of a semi-sectional assembly structure of a support foot of a high-stability transformer suitable for operation in multiple earthquake zones;
FIG. 8 is a schematic diagram of a transverse structure of a high-stability transformer suitable for operation in multiple seismic zones according to the present invention;
FIG. 9 is a schematic diagram showing a split structure of a bushing mechanism of a high-stability transformer suitable for operation in multiple earthquake zones;
fig. 10 is a schematic diagram of another angle structure of a high-stability transformer suitable for operation in multiple earthquake zones according to the present invention.
Legend description:
1. a transformer body; 2. a sleeve mechanism; 201. an insulating sleeve; 202. a flexible sleeve; 203. binding posts; 204. a limit nut; 3. a transmission mechanism; 301. a connecting rod; 302. a fixed rod; 303. pressing the sleeve; 304. closing the insulating cover; 305. a transmission link; 4. supporting foot pads; 5. an energy absorbing mechanism; 501. an energy absorption assembly seat; 502. an energy absorption block; 503. an abutment block; 504. a connecting column; 505. a power-on spring piece; 506. a grounding spring plate; 507. a mounting plate; 508. a disturbance plate; 509. a hinge base; 510. an energy absorbing rod; 511. a transmission seat; 512. a telescopic rod; 513. a tabletting spring; 514. a sliding terminal; 515. a buffer block; 516. a connecting plate; 6. and the iron core is grounded.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a high steady transformer suitable for operation of earthquake multiple spot district, includes transformer main part 1, transformer main part 1 is equipped with a plurality of sliding connection's sleeve pipe mechanism 2, and sleeve pipe mechanism 2 top is equipped with the drive mechanism 3 that is used for the pressfitting, and all fixedly connected with support pad foot 4 between the 3 bottom of both sides drive mechanism, support pad foot 4 inner chamber is equipped with energy-absorbing mechanism 5, and energy-absorbing mechanism 5 top and transformer main part 1 bottom fixed connection for absorb earthquake vibration and spacing top sleeve pipe mechanism 2, sleeve pipe mechanism 2 includes insulating sleeve 201, insulating sleeve 201 sliding connection is in transformer main part 1 top sealing washer, insulating sleeve 201 bottom fixedly connected with flexible cover 202, flexible cover 202 bottom and transformer main part 1 top sealing washer inner chamber one side fixed connection, terminal 203 has been worn to be equipped with to the inner chamber of insulating sleeve 201, and terminal 203 is connected with transformer main part 1 inner chamber winding, and terminal 203 terminal outside threaded connection has spacing 204, and insulating sleeve 201 top and drive mechanism 3 bottoms laminating mutually.
The implementation mode specifically comprises the following steps: through the bushing mechanism 2 of design, when the earthquake takes place, insulating sleeve 201 inboard terminal 203 can take place to rock under the effect of the pulling of outside cable, the terminal 203 can drive insulating sleeve 201 at transformer main part 1 top slip simultaneously, insulating sleeve 201 removes simultaneously and can pull the flexible cover 202 of downside, thereby can improve the cooperation closure processing to the inboard oil blanket of transformer main part 1 through flexible cover 202 that can expand, through the insulating sleeve 201 of slip setting, improve the expansion energy-absorbing that the cable was pulled down when the earthquake takes place, avoid insulating sleeve 201 to be excessively pulled by the cable and influence wiring stability, the stability of wiring processing when improving transformer main part 1 earthquake, wherein insulating sleeve 201 can guarantee the slip effect in sealing washer, and sealing washer can set up the oil blanket, guarantee the closure throughput, and through the stop nut 204 of setting, can improve wiring closure effect.
Referring to fig. 2-3 and fig. 9, the transmission mechanism 3 includes a plurality of pressing sleeves 303, the pressing sleeves 303 are fixedly connected through a rod body, one end, away from each other, of each pressing sleeve 303 is fixedly connected with a fixing rod 302, the tail end of each fixing rod 302 is hinged with a transmission connecting rod 305 through a pin shaft, the other end of each transmission connecting rod 305 is hinged with a connecting rod 301 through a pin shaft, the connecting rod 301 is fixedly connected to one side of the outer wall of the supporting pad leg 4, the bottom of each pressing sleeve 303 is fixedly connected with a closed insulating cover 304, and the closed insulating cover 304 is sleeved outside the insulating sleeve 201.
The implementation mode specifically comprises the following steps: when the insulating sleeve 201 moves, the top pressing sleeve 303 can be extruded, the pressing sleeve 303 can drive the bottom connecting rod 301 to move downwards through the transmission connecting rods 305 on two sides, and the connecting rod 301 can drive the top energy absorbing mechanism 5 to absorb energy, so that the transmission control with the energy absorbing mechanism 5 can be realized through the linkage with the bottom supporting pad 4, the energy absorbing treatment effect of the top insulating sleeve 201 is further improved, and the shock resistance is improved.
Referring to fig. 2-6, the energy absorbing mechanism 5 includes two energy absorbing assembling seats 501, the two energy absorbing assembling seats 501 are relatively and fixedly connected to the bottom of the transformer main body 1, the cross section of each energy absorbing assembling seat 501 is trapezoidal, a sliding hole is formed in an inner cavity of each energy absorbing assembling seat 501, a connecting column 504 is slidably connected in the sliding hole, an abutting block 503 is fixedly connected to the top of each connecting column 504, the cross section of each abutting block 503 is trapezoidal, the abutting blocks 503 are slidably connected to an inner cavity of each energy absorbing assembling block, each connecting column 504 extends to the bottom of each supporting pad 4, buffer blocks 515 are fixedly connected to two sides of the inner cavity of each energy absorbing assembling seat 501, the cross section of each buffer block 515 is triangular, one side of each buffer block 515 is attached to an inclined surface on one side of each energy absorbing assembling seat 501, a plurality of energy absorbing blocks 502 are fixedly connected to one side of each buffer block 515, and energy absorbing grooves matched with each energy absorbing block 502 are formed in one side of each buffer block 515.
The implementation mode specifically comprises the following steps: when the ground vibrates during an earthquake, vibration force can be applied to the bottom support cushion feet 4 to press the top energy-absorbing assembly seat 501, the energy-absorbing assembly seat 501 can be applied to the abutting blocks 503 through the energy-absorbing blocks 502 at two sides of the inner cavity to absorb the vibration force, the energy-absorbing blocks 502 and the abutting blocks 503 can further absorb the vibration force through mutual abutting, so that the energy-absorbing buffering capacity can be improved through the matched buffer blocks 515 and the energy-absorbing assembly seat 501, the vibration energy-absorbing processing capacity is improved, the trapezoidal abutting blocks 503 can realize multi-effect energy absorption on vibration impact through the matching of the abutting blocks 503 in the energy-absorbing assembly seat 501, the vibration force is prevented from affecting the working stability of the top transformer main body 1, the stability and safety required by use in an earthquake multiple-shot area are met, and the energy-absorbing blocks 502 arranged in a plurality of groups can synchronously improve the buffering energy-absorbing effect through the designed energy-absorbing blocks 502 by utilizing the toughness.
The energy-absorbing mechanism 5 still includes hinged seat 509 of sliding connection in support pad foot 4 inner chamber, hinged seat 509 inner chamber rotation is connected with disturbance board 508, spliced pole 504 lateral wall fixedly connected with connecting plate 516, connecting plate 516 sliding connection is in support pad foot 4 inner chamber one side, disturbance board 508 both sides are located the connecting plate 516 bottom of corresponding position respectively, the spout has been seted up in the penetration between spliced pole 504 and the butt piece 503, and spout inner chamber sliding connection has sliding terminal 514, sliding terminal 514 bottom fixedly connected with connects electric shell fragment 505, support pad foot 4 inner chamber bottom fixedly connected with mounting panel 507, mounting panel 507 inner chamber sliding connection has ground connection shell fragment 506, ground connection shell fragment 506 is located electric shell fragment 505 bottom for connect electric shell fragment 505 to contact with ground connection shell fragment 506 after receiving vibration slip, the through-hole has been seted up at the assembly seat 501 top, and transformer body 1 bottom fixedly connected with is grounded copper post, and copper post sliding connection has been seted up in the through-hole, hinged seat one side fixedly connected with energy-absorbing pole 510, and both sides inner chamber sliding connection has sliding terminal 514, sliding connection has a mounting plate 513, and the adjacent end of iron core rod 510, the iron core rod is equipped with electric shell fragment 513, the electric shell fragment is connected with the electric shell fragment 512, the electric shell fragment is connected with the top, and the electric shell fragment is connected with the electric core rod is connected with the electric shell fragment 512, the electric iron core is connected with the electric rod is equipped with the electric energy-absorbing rod 512 through-compressing device, the electric iron core is connected with the electric rod 512, the electric iron core is connected with the electric rod 1 side, and the electric iron 1, and the electric rod is connected with the electric iron 1.
The implementation mode specifically comprises the following steps: when one side energy-absorbing assembly seat 501 is stressed and energy-absorbed to shake, the bottom connecting plate 516 can be contacted with the disturbance plate 508, the disturbance plate 508 can rotate around the hinging seat 509 through the hinging position in the middle, the top of the other side can synchronously drive the connecting plate 516 of the other side to reversely move when the disturbance plate 508 rotates, the movement of the connecting plate 516 can drive the abutting block 503 of the other side to contact and absorb energy with the energy-absorbing assembly seat 501 at the corresponding position, thereby laterally conducting vibration conducted on one side, the overall energy-absorbing stability is improved, and when the two side energy-absorbing assembly seats 501 slide in the supporting cushion feet 4, the hinging seat 509 can move and pull the transmission seat 511 through the one side energy-absorbing rod 510, the transmission seat 511 can synchronously pull the telescopic rod 512 to expand and push the tabletting spring 513, thereby further absorbing impact force through the strength of the tabletting spring 513, the multistage conduction absorption of vibration force is facilitated, the adaptation to the vibration source direction is satisfied, the contact effect can be improved through the designed grounding elastic sheet 506 and the grounding elastic sheet 505, and the contact effect can be avoided from being mistakenly touched when the arc grounding elastic sheet 506 and the grounding elastic sheet 505 are pressed.
And when the earthquake intensity exceeds the energy absorption intensity of the abutting block 503 and the energy absorption assembly seat 501, the energy absorption assembly seat 501 can weaken the collapse fracture towards two sides through the trapezoid structure, the broken energy absorption assembly seat 501 can enable a copper column at the bottom of the transformer main body 1 to be in contact with the bottom sliding terminal 514, the sliding terminal 514 can slide in the abutting block 503 and be in contact with the grounding elastic sheet 506 through the bottom side electric elastic sheet 505, the grounding elastic sheet 506 can be in communication with the sliding terminal 514 and the copper column to be grounded, so that the shell of the transformer main body 1 can be always in a grounding state, grounding conduction is carried out when circuit parts in the transformer main body 1 are in short circuit due to earthquake vibration, the grounding treatment effect after the vibration of the transformer main body 1 is improved, the grounding conduction effect under the condition of multi-angle inclination is realized through the energy absorption assembly seat 501 arranged at four corners of the bottom of the transformer main body 1, and the self-protection capability under the critical condition is improved.
Working principle: when an earthquake occurs, the binding post 203 on the inner side of the insulating sleeve 201 shakes under the action of the external cable, the binding post 203 drives the insulating sleeve 201 to slide on the top of the transformer main body 1, the insulating sleeve 201 moves to pull the flexible sleeve 202 on the bottom side, so that the matching sealing treatment of an oil seal on the inner side of the transformer main body 1 is improved through the flexible sleeve 202 which can be flexibly unfolded, the top pressing sleeve 303 is extruded when the insulating sleeve 201 moves, the pressing sleeve 303 drives the connecting rod 301 on the bottom side to move downwards through the transmission connecting rods 305 on the two sides, and the connecting rod 301 moves to drive the top energy absorbing mechanism 5 to absorb energy;
when the ground vibrates during an earthquake, vibration force presses the top energy-absorbing assembly seat 501 through the bottom supporting pad feet 4, the energy-absorbing assembly seat 501 is stressed to abut against the abutting blocks 503 through the energy-absorbing blocks 502 at two sides of the inner cavity, the abutting blocks 502 and 503 further absorb vibration force through mutual abutting, the energy-absorbing buffering capacity is improved through the matched buffer blocks 515 and the energy-absorbing assembly seat 501, and the trapezoidal abutting blocks 503 perform multi-effect energy absorption through the matching of the abutting blocks 503 in the energy-absorbing assembly seat 501;
when the energy-absorbing assembly seat 501 is stressed and energy-absorbed to shake, the energy-absorbing assembly seat 501 can be contacted with the disturbance plate 508 through the bottom connecting plate 516, the disturbance plate 508 rotates around the hinging seat 509 through the hinging position in the middle, the top of the other side synchronously drives the connecting plate 516 on the other side to reversely move when the disturbance plate 508 rotates, the movement of the connecting plate 516 drives the abutting block 503 on the other side to contact and absorb energy with the energy-absorbing assembly seat 501 on the corresponding position, the vibration conducted on one side is conducted laterally, when the energy-absorbing assembly seats 501 on two sides slide in the supporting pad 4, the hinging seat 509 moves through the energy-absorbing rod 510 on one side to pull the transmission seat 511, and the transmission seat 511 synchronously pulls the telescopic rod 512 to be unfolded and pushes the tabletting spring 513 to absorb impact force;
when the earthquake intensity exceeds the energy absorption intensity of the abutting block 503 and the energy absorption assembly seat 501, the energy absorption assembly seat 501 weakens, collapses and breaks towards two sides through the trapezoid structure, the broken energy absorption assembly seat 501 enables a copper column at the bottom of the transformer main body 1 to be in contact with the bottom side sliding terminal 514, the sliding terminal 514 slides in the abutting block 503 and is in contact with the grounding elastic sheet 506 through the bottom side electric elastic sheet 505, the grounding elastic sheet 506 is in communication with the sliding terminal 514 and the copper column, and the shell of the transformer main body 1 is always in a grounding state.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a high steady transformer suitable for operation of earthquake multiple spot district, includes transformer main part (1), its characterized in that, transformer main part (1) are equipped with a plurality of sliding connection's bushing mechanism (2), and bushing mechanism (2) top is equipped with drive mechanism (3) that are used for the pressfitting, and equal fixedly connected with support pad foot (4) between both sides drive mechanism (3) bottom, support pad foot (4) inner chamber is equipped with energy-absorbing mechanism (5), and energy-absorbing mechanism (5) top and transformer main part (1) bottom fixed connection for absorb earthquake vibration and spacing top bushing mechanism (2).
2. The high-stability transformer suitable for running in multiple earthquake zones according to claim 1, wherein the bushing mechanism (2) comprises an insulating bushing (201), the insulating bushing (201) is slidably connected in a top sealing gasket of a transformer main body (1), a flexible sleeve (202) is fixedly connected to the bottom of the insulating bushing (201), the bottom of the flexible sleeve (202) is fixedly connected with one side of an inner cavity of the top sealing gasket of the transformer main body (1), a binding post (203) is arranged in an inner cavity of the insulating bushing (201) in a penetrating manner, the binding post (203) is connected with an inner cavity winding of the transformer main body (1), a limit nut (204) is connected to the outer side of the tail end of the binding post (203) in a threaded manner, and the top of the insulating bushing (201) is attached to the bottom of the transmission mechanism (3).
3. The high-stability transformer suitable for earthquake multi-shot operation according to claim 1, wherein the transmission mechanism (3) comprises a plurality of pressing sleeves (303), the pressing sleeves (303) are fixedly connected through rod bodies, one ends, far away from each other, of the pressing sleeves (303) are fixedly connected with fixing rods (302), the tail ends of the fixing rods (302) are hinged with transmission connecting rods (305) through pin shafts, the other ends of the transmission connecting rods (305) are hinged with connecting rods (301) through pin shafts, the connecting rods (301) are fixedly connected to one side of the outer wall of the supporting pad foot (4), the bottoms of the pressing sleeves (303) are fixedly connected with closed insulating covers (304), and the closed insulating covers (304) are sleeved outside the insulating sleeves (201).
4. The high-stability transformer suitable for running in multiple earthquake zones according to claim 1, wherein the energy absorbing mechanism (5) comprises two energy absorbing assembly seats (501), the two energy absorbing assembly seats (501) are fixedly connected to the bottom of the transformer main body (1) relatively, the cross section of each energy absorbing assembly seat (501) is trapezoidal, a sliding hole is formed in an inner cavity of each energy absorbing assembly seat (501), a connecting column (504) is connected in the sliding hole in a sliding mode, an abutting block (503) is fixedly connected to the top of each connecting column (504), the cross section of each abutting block (503) is trapezoidal, the abutting blocks (503) are connected to the inner cavity of each energy absorbing assembly block in a sliding mode, and the connecting columns (504) extend to the bottom of each supporting pad (4).
5. The high-stability transformer suitable for earthquake multiple-shot operation according to claim 4, wherein buffer blocks (515) are fixedly connected to two sides of an inner cavity of the energy absorption assembly seat (501), the cross section of each buffer block (515) is triangular, one side of each buffer block (515) is attached to an inclined surface on one side of the energy absorption assembly seat (501), a plurality of energy absorption blocks (502) are fixedly connected to one side of each energy absorption assembly seat (501), and energy absorption grooves matched with the energy absorption blocks (502) are formed in one side of each buffer block (515).
6. The high-stability transformer suitable for earthquake multiple-shot operation according to claim 4, wherein the energy absorbing mechanism (5) further comprises a hinging seat (509) which is slidably connected to the inner cavity of the supporting pad leg (4), a disturbance plate (508) is rotatably connected to the inner cavity of the hinging seat (509), a connecting plate (516) is fixedly connected to the outer side wall of the connecting column (504), the connecting plate (516) is slidably connected to one side of the inner cavity of the supporting pad leg (4), and two sides of the disturbance plate (508) are respectively positioned at the bottoms of the connecting plates (516) at corresponding positions.
7. The high-stability transformer suitable for earthquake multiple-shot operation according to claim 4, wherein a chute is arranged between the connecting column (504) and the abutting block (503) in a penetrating way, a sliding terminal (514) is slidably connected to an inner cavity of the chute, an electric connection spring piece (505) is fixedly connected to the bottom end of the sliding terminal (514), a mounting plate (507) is fixedly connected to the bottom of the inner cavity of the supporting pad leg (4), a grounding spring piece (506) is slidably connected to the inner cavity of the mounting plate (507), and the grounding spring piece (506) is located at the bottom of the electric connection spring piece (505) and is used for contacting the electric connection spring piece (505) with the grounding spring piece (506) for carrying out communication electricity after the electric connection spring piece (505) is vibrated and slid.
8. The high-stability transformer suitable for earthquake multiple-zone operation according to claim 7, wherein the top of the energy-absorbing assembly seat (501) is provided with a through hole, the bottom of the transformer main body (1) is fixedly connected with a copper column for grounding, and the copper column is slidingly connected in the through hole and is used for contacting and conducting with the top of the bottom sliding terminal (514).
9. The high-stability transformer suitable for running in multiple earthquake zones according to claim 6, wherein an energy absorbing rod (510) is fixedly connected to one side of the hinging seat (509), adjacent ends of the two side energy absorbing rods (510) are fixedly connected, a transmission seat (511) is sleeved on the outer wall of the energy absorbing rod (510), a telescopic rod (512) is fixedly connected to the top of the transmission seat (511), the top of the telescopic rod (512) is fixedly connected with the bottom of the transformer main body (1), and a tabletting spring (513) is sleeved on the outer side wall of the telescopic rod (512).
10. The high-stability transformer suitable for earthquake multiple-shot operation according to claim 1, wherein the front side of the transformer main body (1) is communicated with an iron core grounding terminal (6), and the iron core grounding terminal (6) is connected with the bottom of an inner winding iron core.
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| CN202310457705.5A CN116190074B (en) | 2023-04-26 | 2023-04-26 | High-stability transformer suitable for earthquake multiple-zone operation |
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| CN202310457705.5A CN116190074B (en) | 2023-04-26 | 2023-04-26 | High-stability transformer suitable for earthquake multiple-zone operation |
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| CN116190074B CN116190074B (en) | 2023-07-21 |
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| CN217719260U (en) * | 2022-06-09 | 2022-11-01 | 肇庆市端州区至明电子有限公司 | Self-protection transformer wiring assembly with bouncing wire breaking function |
| CN115312290A (en) * | 2022-09-14 | 2022-11-08 | 张立军 | Protection reminding method based on high-voltage transformer |
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| GB753225A (en) * | 1953-06-08 | 1956-07-18 | Gen Electric Co Ltd | Improvements in or relating to high voltage electric insulating bushings |
| FR2820876A1 (en) * | 2001-02-14 | 2002-08-16 | Transfix Soc Nouv | Electrical transformer cover having transformer with isolating cross sections line connecting and having side wall outer cover extending and transformer vat edges fixed. |
| CN210443383U (en) * | 2019-09-20 | 2020-05-01 | 益阳欣达天马电器设备制造有限公司 | Oil-immersed transformer bushing antifouling cover |
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| CN115312290A (en) * | 2022-09-14 | 2022-11-08 | 张立军 | Protection reminding method based on high-voltage transformer |
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|---|---|
| CN116190074B (en) | 2023-07-21 |
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