CN111029092A - Power transformer - Google Patents
Power transformer Download PDFInfo
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- CN111029092A CN111029092A CN201911417593.0A CN201911417593A CN111029092A CN 111029092 A CN111029092 A CN 111029092A CN 201911417593 A CN201911417593 A CN 201911417593A CN 111029092 A CN111029092 A CN 111029092A
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- rack
- power transformer
- heat dissipation
- fixedly mounted
- shell
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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
- H01F27/02—Casings
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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
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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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- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the technical field of transformers, and particularly relates to a power transformer which comprises a shell and a plurality of voltage transformation assemblies, wherein the two sides of the shell are respectively provided with a heat dissipation dustproof mechanism, the inner wall of the bottom of the shell is fixedly connected with a mounting plate, the top of the mounting plate is provided with a plurality of guide grooves, the bottom of each voltage transformation assembly is fixedly connected with two connecting blocks, the connecting blocks are in sliding connection with the corresponding guide grooves, a driving mechanism is rotatably arranged on the inner wall of one side of each guide groove, a welding strip is fixedly arranged on the inner wall of one side of the shell, a plurality of rack grooves are formed in one side of the welding strip, racks are slidably arranged in the rack grooves, and the racks are matched with the corresponding driving mechanisms. The transformer assembly heat dissipation device is simple in structure and convenient to operate, improves the heat dissipation effect of the power transformer, facilitates the installation, the disassembly and the maintenance of the transformer assembly, and saves time.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a power transformer.
Background
The power transformer is a static electrical device, and is a device for changing alternating voltage with a certain value into another voltage with the same frequency or different voltages with several values.
The existing power transformer has poor heat dissipation effect, and a plurality of transformation assemblies are complex to install and are not convenient to disassemble and maintain.
Disclosure of Invention
The invention aims to solve the defects that the existing power transformer is poor in heat dissipation effect, a plurality of voltage transformation components are complex to install and inconvenient to disassemble and maintain, and provides the power transformer.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power transformer comprises a shell and a plurality of voltage transformation components, wherein both sides of the shell are provided with heat dissipation dustproof mechanisms, the inner wall of the bottom of the shell is fixedly connected with a mounting plate, the top of the mounting plate is provided with a plurality of guide grooves, the bottom of the voltage transformation components is fixedly connected with two connecting blocks, the connecting blocks are in sliding connection with the corresponding guide grooves, a driving mechanism is rotatably arranged on the inner wall of one side of each guide groove, the inner wall of one side of the shell is fixedly provided with a welding strip, one side of the welding strip is provided with a plurality of rack grooves, a rack is slidably arranged in each rack groove and is matched with the corresponding driving mechanism, one side of each rack is fixedly provided with an electric conductor, each two of the plurality of electric conductors correspond to each other, the plurality of electric conductors are all connected in series with the heat dissipation dustproof mechanisms, one side of each rack is, and a fixing mechanism is arranged in the cavity in a sliding manner and is in one-way clamping connection with the two corresponding connecting blocks.
Preferably, heat dissipation dustproof mechanism includes two heat dissipation fans, two dust screens and two protective covers, and two heat dissipation fans are fixed mounting respectively in the both sides of shell, and two dust screens are connected with two heat dissipation fans respectively, and two protective covers set up respectively in the both sides of shell, and the inside air current that the shell can be accelerated to the heat dissipation fan flows, and the dust screen can prevent dust, and the bottom of protective cover is the opening.
Preferably, actuating mechanism includes round bar, gear, screw rod, spring and pushes away the piece, pushes away the piece slidable mounting in the guide way that corresponds, the screw rod with push away piece fixed mounting that corresponds, the round bar rotates to be installed in the guide way that corresponds, screw rod and the round bar threaded connection that corresponds, the one end and the propulsion piece fixed mounting of spring, the other end and the one side inner wall fixed mounting of guide way of spring, the outside at the screw rod is established to the spring housing, the spring provides the elasticity that resets for pushing away the piece.
Preferably, a thread groove is formed in one end of the round rod, the screw rods are in threaded connection with the thread groove, the round rod is fixedly installed with the gear, the gear is meshed with the corresponding rack, the thread directions of the two screw rods on the same voltage transformation assembly are opposite, and the gear rotates to drive the rack to move.
Preferably, the clamping assembly comprises an L-shaped rod and an arc-shaped clamping plate, the L-shaped rod is fixedly installed with the arc-shaped clamping plate, the L-shaped rod is fixedly installed with one side of the corresponding rack, and the arc-shaped clamping plate is used for clamping the voltage transformation assembly.
Preferably, the fixing mechanism comprises two sliding plates, two oblique head blocks, two oblique rods, a pull rod and an extrusion spring, the two sliding plates are connected with the corresponding cavities in a sliding mode, the two oblique head blocks are fixedly installed on the two sliding plates respectively, the extrusion spring is fixedly installed between the two sliding plates, a chute is formed in one side of each connecting block, the oblique head blocks are connected with the corresponding chutes in a one-way mode in a clamped mode, the oblique head blocks are connected with the cavities in a sliding mode, and the oblique head blocks can be fixed to the connecting blocks in the corresponding chutes.
Preferably, two sliding plates that are located same cavity rotate with the one end of two down tube respectively and are connected, and the other end of two down tube all rotates with same pull rod to be connected, and the one end of pull rod extends to one side of mounting panel and with mounting panel sliding connection, and the pull rod can drive two sliding plates through two down tube and be close to each other.
Preferably, one side of the rack is fixedly provided with an elastic pad, the elastic pad is fixedly connected with the corresponding electric conductor, and the elastic pad can play a role in buffering.
Preferably, a rack limiting groove is formed in the bottom of the rack, a rack limiting block is fixedly mounted on the inner wall of the bottom of the rack groove, the rack limiting block is connected with the corresponding rack limiting groove in a sliding mode, and the rack limiting block and the rack limiting groove are matched to enable the rack to only slide in the rack groove.
Preferably, one side of shell rotates installs sealed lid, and sealed covering is provided with the sealing washer, and sealed covering is provided with the hasp, and sealed lid can be opened or sealed, is convenient for maintain the shell inside.
Compared with the prior art, the invention has the advantages that:
(1) this scheme puts into the guide way that corresponds with the connecting block and promotes the vary voltage subassembly, and the actuating mechanism that the connecting block extrusion corresponds, actuating mechanism drive the centre gripping subassembly through the rack and remove, are close to each other through two centre gripping subassemblies and compress tightly fixed with the vary voltage subassembly, and two electric conductor contacts simultaneously.
(2) Under the elastic force effect of the extrusion spring, the sliding plate pushes the corresponding oblique head block to enter the corresponding oblique groove to fix the connecting blocks, and two connecting blocks are fixed to fix one voltage transformation assembly.
(3) In order to improve the radiating effect, the used vary voltage subassembly of this scheme is installed, and used electric conductor all switches on this moment, and two heat dissipation fans start, can accelerate the inside air current of shell to flow, improve the radiating effect, and the dust screen can prevent dust, and the bottom of protective cover is the opening, can carry on waterproofly.
(4) For convenient dismantlement maintenance, this scheme pull rod can drive two sliding plates through two down tube and be close to each other, and the sliding plate drives the oblique head piece that corresponds and leaves the skewed tooth, provides reset spring through the spring for two centre gripping subassemblies all leave corresponding vary voltage subassembly, can take out the maintenance with the vary voltage subassembly, and two heat dissipation fan outage stop work simultaneously.
The transformer assembly heat dissipation device is simple in structure and convenient to operate, improves the heat dissipation effect of the power transformer, facilitates the installation, the disassembly and the maintenance of the transformer assembly, and saves time.
Drawings
Fig. 1 is a schematic structural diagram of a power transformer according to the present invention;
FIG. 2 is a schematic top view of a power transformer with a transformer assembly omitted;
fig. 3 is a schematic structural diagram of a portion a in fig. 2 of a power transformer according to the present invention;
fig. 4 is a schematic structural diagram of a portion B in fig. 3 of a power transformer according to the present invention;
fig. 5 is a schematic structural diagram of a portion C in fig. 3 of a power transformer according to the present invention;
fig. 6 is a schematic perspective view of a rack of a power transformer according to the present invention;
fig. 7 is a schematic perspective view of an L-shaped rod of a power transformer according to the present invention.
In the figure: the device comprises a shell 1, a transformer assembly 2, a heat dissipation dustproof mechanism 3, a mounting plate 4, a guide groove 5, a connecting block 6, a 7L-shaped rod, an arc-shaped clamping plate 8, a rack groove 9, a gear 10, a round rod 11, a thread groove 12, a conductor 13, a rack 14, a welding strip 15, a pull rod 16, a cavity 17, a screw 18, a bearing 19, a pushing block 20, a spring 21, a sliding plate 22, a slant head block 23, a slant rod 24, a squeezing spring 25, a chute 26, a pull hole 27, a rack limiting groove 28, an elastic pad 29, a sealing cover 30, a heat dissipation fan 31, a dustproof net 32 and a protective cover 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-7, a power transformer comprises a housing 1 and a plurality of transformer assemblies 2, heat dissipation dustproof mechanisms 3 are respectively arranged on two sides of the housing 1, a mounting plate 4 is fixedly connected on the inner wall of the bottom of the housing 1, a plurality of guide grooves 5 are formed in the top of the mounting plate 4, two connecting blocks 6 are fixedly connected on the bottom of the transformer assemblies 2, the connecting blocks 6 are slidably connected with the corresponding guide grooves 5, a driving mechanism is rotatably mounted on the inner wall of one side of each guide groove 5, a welding strip 15 is fixedly mounted on the inner wall of one side of the housing 1, a plurality of rack grooves 9 are formed in one side of each welding strip 15, racks 14 are slidably mounted in the rack grooves 9, the racks 14 are matched with the corresponding driving mechanisms, two conductors 13 are fixedly mounted on one side of each rack 14, the conductors 13 correspond to each other, the conductors 13 are all connected in series with the heat dissipation dustproof, the clamping assembly is matched with the corresponding transformation assembly 2, a plurality of cavities 17 are formed in the mounting plate 4, fixing mechanisms are slidably mounted in the cavities 17, and the fixing mechanisms are connected with the corresponding two connecting blocks 6 in a one-way clamping mode.
In this embodiment, heat dissipation dustproof mechanism 3 includes two heat dissipation fans 31, two dust screens 32 and two protective covers 33, and two heat dissipation fans 31 are fixed mounting respectively in the both sides of shell 1, and two dust screens 32 are connected with two heat dissipation fans 31 respectively, and two protective covers 33 set up respectively in the both sides of shell 1, and heat dissipation fan 31 can accelerate the inside air current of shell 1 and flow, and dust screen 32 can prevent dust, and the bottom of protective cover 33 is the opening.
In this embodiment, the driving mechanism includes a round bar 11, a gear 10, a screw 18, a spring 21 and a pushing block 20, the pushing block 20 is slidably mounted in the corresponding guide groove 5, the screw 18 and the corresponding pushing block 20 are fixedly mounted, the round bar 11 is rotatably mounted in the corresponding guide groove 5, the screw 18 is in threaded connection with the corresponding round bar 11, one end of the spring 21 is fixedly mounted with the pushing block 20, the other end of the spring 21 is fixedly mounted with the inner wall of one side of the guide groove 5, the spring 21 is sleeved on the outer side of the screw 18, and the spring 21 provides a return elastic force for the pushing block 20.
In this embodiment, a thread groove 12 is formed at one end of the round rod 11, the screw rods 18 are in threaded connection with the thread groove 12, the round rod 11 is fixedly installed with the gear 10, the gear 10 is engaged with the corresponding rack 14, the thread directions of the two screw rods 18 on the same voltage transformation assembly 2 are opposite, and the gear 10 rotates to drive the rack 14 to move.
In this embodiment, the centre gripping subassembly includes L type pole 7 and arc splint 8, L type pole 7 and arc splint 8 fixed mounting, L type pole 7 and one side fixed mounting of the rack 14 that corresponds, arc splint 8 are used for carrying out the centre gripping to vary voltage subassembly 2.
In this embodiment, the fixing mechanism includes two sliding plates 22, two oblique head blocks 23, two oblique rods 24, pull rod 16 and extrusion spring 25, two sliding plates 22 all with the corresponding cavity 17 sliding connection, two oblique head blocks 23 respectively with two sliding plates 22 fixed mounting, extrusion spring 25 fixed mounting is between two sliding plates 22, chute 26 has been seted up to one side of connecting block 6, oblique head block 23 and the one-way joint of chute 26 that corresponds, oblique head block 23 and cavity 17 sliding connection, oblique head block 23 can be fixed connecting block 6 in getting into the corresponding chute 26.
In this embodiment, two sliding plates 22 located in the same cavity 17 are respectively rotatably connected with one end of two diagonal rods 24, the other ends of the two diagonal rods 24 are rotatably connected with the same pull rod 16, one end of the pull rod 16 extends to one side of the mounting plate 4 and is slidably connected with the mounting plate 4, and the pull rod 16 can drive the two sliding plates 22 to approach each other through the two diagonal rods 24.
In this embodiment, an elastic pad 29 is fixedly mounted on one side of the rack 14, the elastic pad 29 is fixedly connected with the corresponding conductor 13, and the elastic pad 29 can play a role of buffering.
In this embodiment, rack limiting groove 28 has been seted up to the bottom of rack 14, and fixed mounting has the rack stopper on the bottom inner wall of rack groove 9, rack stopper and the rack limiting groove 28 sliding connection who corresponds, and rack stopper and rack limiting groove 28 cooperation make rack 14 only slide in rack groove 9.
In this embodiment, one side of the housing 1 is rotatably provided with the sealing cover 30, the sealing cover 30 is provided with the sealing ring, the sealing cover 30 is provided with the lock catch, and the sealing cover 30 can be opened or sealed, so that the inside of the housing 1 can be maintained conveniently.
Example two
Referring to fig. 1-7, a power transformer comprises a housing 1 and a plurality of transformer assemblies 2, heat dissipation dustproof mechanisms 3 are respectively arranged on two sides of the housing 1, a mounting plate 4 is fixedly connected on the inner wall of the bottom of the housing 1 through screws, a plurality of guide grooves 5 are arranged on the top of the mounting plate 4, two connecting blocks 6 are fixedly connected on the bottom of the transformer assemblies 2 through screws, the connecting blocks 6 are slidably connected with the corresponding guide grooves 5, a driving mechanism is rotatably arranged on the inner wall of one side of each guide groove 5, a welding strip 15 is fixedly arranged on the inner wall of one side of the housing 1 through welding, a plurality of rack grooves 9 are arranged on one side of each welding strip 15, racks 14 are slidably arranged in the rack grooves 9, the racks 14 are matched with the corresponding driving mechanisms, electric conductors 13 are fixedly arranged on one side of each rack 14 through welding, the electric conductors 13 correspond to each other, and the electric, one side of the rack 14 is fixedly provided with a clamping assembly through welding, the clamping assembly is matched with the corresponding transformation assembly 2, a plurality of cavities 17 are formed in the mounting plate 4, fixing mechanisms are slidably arranged in the cavities 17, and the fixing mechanisms are connected with the two corresponding connecting blocks 6 in a one-way clamping mode.
In this embodiment, heat dissipation dustproof mechanism 3 includes two heat dissipation fans 31, two dust screens 32 and two protective covers 33, two heat dissipation fans 31 are respectively through welded fastening and install in the both sides of shell 1, two dust screens 32 are connected with two heat dissipation fans 31 respectively, two protective covers 33 set up the both sides at shell 1 respectively, heat dissipation fan 31 can accelerate the inside air current of shell 1 and flow, dust screen 32 can prevent dust, protective cover 33's bottom is the opening, can prevent water.
In this embodiment, the driving mechanism includes round bar 11, gear 10, screw rod 18, spring 21 and pushing block 20, pushing block 20 is slidably mounted in corresponding guide way 5, screw rod 18 and corresponding pushing block 20 are fixedly mounted by welding, round bar 11 is rotatably mounted in corresponding guide way 5, screw rod 18 and corresponding round bar 11 are in threaded connection, one end of spring 21 and pushing block 20 are fixedly mounted by welding, the other end of spring 21 and one side inner wall of guide way 5 are fixedly mounted by welding, spring 21 is sleeved outside screw rod 18, spring 21 provides reset elastic force for pushing block 20.
In this embodiment, a thread groove 12 is formed at one end of the round rod 11, the screw rods 18 are in threaded connection with the thread groove 12, the round rod 11 and the gear 10 are fixedly installed by welding, the gear 10 is engaged with the corresponding rack 14, the thread directions of the two screw rods 18 on the same voltage transformation assembly 2 are opposite, and the gear 10 rotates to drive the rack 14 to move.
In this embodiment, the centre gripping subassembly includes L type pole 7 and arc splint 8, and L type pole 7 passes through welded fastening installation with one side of the rack 14 that corresponds, and arc splint 8 is used for carrying out the centre gripping to vary voltage subassembly 2.
In this embodiment, the fixing mechanism includes two sliding plates 22, two oblique head blocks 23, two oblique rods 24, pull rod 16 and extrusion spring 25, two sliding plates 22 all with the cavity 17 sliding connection that corresponds, two oblique head blocks 23 pass through welded fastening with two sliding plates 22 respectively and install, it installs between two sliding plates 22 to push extrusion spring 25 through welded fastening, chute 26 has been seted up to one side of connecting block 6, oblique head block 23 and the one-way joint of chute 26 that corresponds, oblique head block 23 and cavity 17 sliding connection, oblique head block 23 gets into and can fix connecting block 6 in the chute 26 that corresponds, through fixing two connecting blocks 6 and then fix a voltage transformation subassembly 2.
In this embodiment, two sliding plates 22 located in the same cavity 17 are respectively rotatably connected with one end of two diagonal rods 24, the other ends of the two diagonal rods 24 are rotatably connected with the same pull rod 16, one end of the pull rod 16 extends to one side of the mounting plate 4 and is slidably connected with the mounting plate 4, and the pull rod 16 can drive the two sliding plates 22 to approach each other through the two diagonal rods 24.
In this embodiment, an elastic pad 29 is fixedly installed on one side of the rack 14 by welding, the elastic pad 29 is fixedly connected with the corresponding conductive body 13 by a screw, and the elastic pad 29 can play a role of buffering, so that the two conductive bodies 13 are tightly attached.
In this embodiment, rack limiting groove 28 has been seted up to the bottom of rack 14, has the rack stopper through welded fastening on the bottom inner wall of rack groove 9, rack stopper and the rack limiting groove 28 sliding connection who corresponds, rack stopper and rack limiting groove 28 cooperation make rack 14 only slide in rack groove 9.
In this embodiment, one side of the housing 1 is rotatably provided with the sealing cover 30, the sealing cover 30 is provided with the sealing ring, the sealing cover 30 is provided with the lock catch, and the sealing cover 30 can be opened or sealed, so that the inside of the housing 1 can be maintained conveniently.
In the embodiment, when in use, a plurality of voltage transformation assemblies 2 are respectively installed on the installation plate 4, the connection blocks 6 are placed in the corresponding guide grooves 5 and push the voltage transformation assemblies 2, the connection blocks 6 extrude the corresponding pushing blocks 20, the pushing blocks 20 move through the corresponding screw rods 18 and drive the corresponding round rods 11 to rotate, the round rods 11 drive the corresponding racks 14 to move through the gears 10, because the screw threads of the two screw rods 18 on the same voltage transformation assembly 2 are opposite in rotation direction, the two racks 14 corresponding to the voltage transformation assemblies 2 are close to each other, the two racks 14 respectively drive the two clamping assemblies to close to each other, the voltage transformation assemblies 2 are pressed and fixed through the two arc-shaped clamping plates 8, the two electric conductors 13 are contacted simultaneously, the two sliding plates 22 are far away from each other under the elastic force of the extrusion springs 25, the sliding plates 22 push the corresponding oblique head blocks 23 to enter the corresponding oblique grooves 26 to fix the connection blocks 6, one transformation component 2 is fixed by fixing the two connecting blocks 6, the other transformation components 2 are installed, the used electric conductors 13 are switched on, the two heat dissipation fans 31 are started, the flow of the air flow in the shell 1 can be accelerated, the heat dissipation effect can be improved, the dustproof net 32 can prevent dust, the bottom of the protective cover 33 is provided with an opening, can be waterproof, the lead wire can be connected with the corresponding transformation component 2, when in disassembly, the pull rod 16 is respectively pulled, the pull rod 16 can drive the two sliding plates 22 to approach each other through the two inclined rods 24, the sliding plates 22 drive the corresponding inclined head blocks 23 to leave the inclined teeth 26, a return spring is provided by means of the spring 21, so that both clamping assemblies leave the corresponding transforming assembly 2, meanwhile, the conductor 13 is separated, the two heat dissipation fans 31 stop working when power is off, the transformation assembly 2 can be taken out for maintenance, operation is convenient, and other transformation assemblies 2 can be taken out in the same way.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A power transformer comprises a shell (1) and a plurality of transformer assemblies (2), and is characterized in that heat dissipation dustproof mechanisms (3) are arranged on two sides of the shell (1), a mounting plate (4) is fixedly connected to the inner wall of the bottom of the shell (1), a plurality of guide grooves (5) are formed in the top of the mounting plate (4), two connecting blocks (6) are fixedly connected to the bottom of each transformer assembly (2), the connecting blocks (6) are slidably connected with the corresponding guide grooves (5), a driving mechanism is rotatably mounted on the inner wall of one side of each guide groove (5), a welding strip (15) is fixedly mounted on the inner wall of one side of the shell (1), a plurality of rack grooves (9) are formed in one side of each welding strip (15), a rack (14) is slidably mounted in each rack groove (9), the rack (14) is matched with the corresponding driving mechanism, an electric conductor (13) is fixedly mounted on one side of the rack, two liang of correspondences in a plurality of electric conductors (13), a plurality of electric conductors (13) all establish ties with heat dissipation dustproof mechanism (3), and one side fixed mounting of rack (14) has the centre gripping subassembly, and centre gripping subassembly and the vary voltage subassembly (2) looks adaptation that corresponds have seted up a plurality of cavitys (17) on mounting panel (4), and slidable mounting has fixed establishment in cavity (17), fixed establishment and two connecting block (6) one-way joint that correspond.
2. A power transformer according to claim 1, characterized in that said heat dissipation dustproof mechanism (3) comprises two heat dissipation fans (31), two dustproof nets (32) and two protective covers (33), wherein the two heat dissipation fans (31) are respectively and fixedly installed at two sides of the housing (1), the two dustproof nets (32) are respectively connected with the two heat dissipation fans (31), and the two protective covers (33) are respectively installed at two sides of the housing (1).
3. The power transformer according to claim 1, wherein the driving mechanism comprises a round rod (11), a gear (10), a screw (18), a spring (21) and a pushing block (20), the pushing block (20) is slidably mounted in the corresponding guide groove (5), the screw (18) and the corresponding pushing block (20) are fixedly mounted, the round rod (11) is rotatably mounted in the corresponding guide groove (5), the screw (18) is in threaded connection with the corresponding round rod (11), one end of the spring (21) is fixedly mounted with the pushing block (20), the other end of the spring (21) is fixedly mounted with the inner wall of one side of the guide groove (5), and the spring (21) is sleeved on the outer side of the screw (18).
4. A power transformer according to claim 3, characterized in that one end of the round bar (11) is provided with a thread groove (12), the screw (18) is in threaded connection with the thread groove (12), the round bar (11) is fixedly mounted with the gear (10), the gear (10) is engaged with the corresponding rack (14), and the thread directions of the two screw (18) on the same transformer assembly (2) are opposite.
5. A power transformer according to claim 1, characterised in that the clamping assembly comprises an L-shaped bar (7) and an arc-shaped clamping plate (8), the L-shaped bar (7) being fixedly mounted with the arc-shaped clamping plate (8), the L-shaped bar (7) being fixedly mounted with one side of the corresponding rack (14).
6. The power transformer of claim 1, wherein the fixing mechanism comprises two sliding plates (22), two inclined head blocks (23), two inclined rods (24), a pull rod (16) and a pressing spring (25), the two sliding plates (22) are both in sliding connection with the corresponding cavity (17), the two inclined head blocks (23) are respectively and fixedly mounted with the two sliding plates (22), the pressing spring (25) is fixedly mounted between the two sliding plates (22), one side of the connecting block (6) is provided with an inclined groove (26), the inclined head blocks (23) are in one-way clamping connection with the corresponding inclined grooves (26), and the inclined head blocks (23) are in sliding connection with the cavity (17).
7. A power transformer according to claim 1, characterised in that two sliding plates (22) located in the same chamber (17) are pivotally connected to one end of two diagonal rods (24), respectively, and the other ends of the two diagonal rods (24) are both pivotally connected to the same tie rod (16), and one end of the tie rod (16) extends to one side of the mounting plate (4) and is slidably connected to the mounting plate (4).
8. A power transformer according to claim 1, characterized in that an elastic pad (29) is fixedly mounted on one side of the rack (14), and the elastic pad (29) is fixedly connected with the corresponding conductor (13).
9. The power transformer according to claim 1, wherein a rack limiting groove (28) is formed in the bottom of the rack (14), a rack limiting block is fixedly mounted on the inner wall of the bottom of the rack groove (9), and the rack limiting block is slidably connected with the corresponding rack limiting groove (28).
10. A power transformer according to claim 1, characterized in that a sealing cover (30) is rotatably mounted on one side of the housing (1), the sealing cover (30) is provided with a sealing ring, and the sealing cover (30) is provided with a lock catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417593.0A CN111029092B (en) | 2019-12-31 | 2019-12-31 | Power transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417593.0A CN111029092B (en) | 2019-12-31 | 2019-12-31 | Power transformer |
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| CN111029092A true CN111029092A (en) | 2020-04-17 |
| CN111029092B CN111029092B (en) | 2022-09-30 |
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| CN201911417593.0A Active CN111029092B (en) | 2019-12-31 | 2019-12-31 | Power transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112202347A (en) * | 2020-09-10 | 2021-01-08 | 濮阳市立圆汽车电器有限公司 | Automobile inverter |
| CN112735745A (en) * | 2020-11-23 | 2021-04-30 | 安徽华能集团电器有限公司 | Adjustable and replaceable national grid high-voltage current transformer |
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| CN112202347A (en) * | 2020-09-10 | 2021-01-08 | 濮阳市立圆汽车电器有限公司 | Automobile inverter |
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| CN112735745B (en) * | 2020-11-23 | 2022-08-30 | 安徽华能集团电器有限公司 | Adjustable replacement type high-voltage current transformer |
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| CN111029092B (en) | 2022-09-30 |
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