CN213242199U - Low-voltage lead outgoing wire clamp structure - Google Patents
Low-voltage lead outgoing wire clamp structure Download PDFInfo
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- CN213242199U CN213242199U CN202022342653.1U CN202022342653U CN213242199U CN 213242199 U CN213242199 U CN 213242199U CN 202022342653 U CN202022342653 U CN 202022342653U CN 213242199 U CN213242199 U CN 213242199U
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- roof beam
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- frame roof
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Abstract
The utility model relates to a low pressure lead wire of going out first wire presss from both sides structure, the anti short circuit transformer winding insulation system technical field of affiliated small capacity, including a pair of transformer frame roof beam, all be equipped with the frame connection screw rod that cup joints mutually with the transformer frame roof beam between the front and back both ends of two transformer frame roof beams, frame connection screw rod both ends all be equipped with the screw rod lock nut who cup joints with frame connection screw rod limit threaded type mutually, transformer frame roof beam side all be equipped with a plurality of wire clamp subassemblies that are equidistant distribution, wire clamp subassembly and transformer frame roof beam between all be equipped with and insert the formula mutually with the transformer frame roof beam and be connected fixed installation fixed plate, wire clamp subassembly on be equipped with a plurality of bolts that cup joint mutually with installation fixed plate threaded type. The device has the characteristics of simple structure, strong stability, good operation stability and long service life. The tensile strength is increased, the electrodynamic effect generated by short circuit is effectively restrained, and the short circuit resistance is improved.
Description
Technical Field
The utility model relates to an anti short circuit transformer winding insulation system technical field of small capacity, concretely relates to low pressure lead wire clip structure of appearing.
Background
Generally, a copper bar is generally selected as a wire outgoing mode for a low-voltage lead of a small-capacity transformer, a copper bar needs to be cut at first, a hole with a corresponding size is punched in the copper bar, and then a bent plate made of epoxy resin is screwed up with the copper bar through bolts so as to achieve the fixing effect of the copper bar.
But better fixity is needed for the transformers of national network, south network and short circuit test, because the short circuit current is very large in the short circuit test, and the conductor is deformed and the insulation is damaged due to the generated huge electrodynamic force effect and thermal effect.
When the transformer is in a short-circuit test, the outgoing line of the winding needs better stability, and if the damage of the low-voltage lead wire to the insulation of the whole transformer in the short-circuit test can not be effectively controlled.
Disclosure of Invention
The utility model discloses mainly solve and have among the prior art firm intensity weak, easy fracture, manufacturing process complicacy, anti short circuit can be low, the poor and short not enough of life of operational stability, provide a low pressure lead wire of going out first wire clamp structure, it has simple structure, the steadiness is strong, the good and long service life's of operational stability characteristics. The tensile strength is increased, the electrodynamic effect generated by short circuit is effectively restrained, and the short circuit resistance is improved.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a low pressure lead wire that goes out first wire presss from both sides structure, includes a pair of transformer frame roof beam, all is equipped with the frame joint screw rod that cup joints mutually with the transformer frame roof beam between the front and back both ends of two transformer frame roof beams, frame joint screw rod both ends all be equipped with the screw rod lock nut that cup joints mutually with frame joint screw rod spacing screw thread formula, transformer frame roof beam side all be equipped with a plurality of wire clamp subassemblies that are equidistant distribution, wire clamp subassembly and transformer frame roof beam between all be equipped with and inlay the formula mutually with the transformer frame roof beam and be connected fixed installation fixed plate, wire clamp subassembly on be equipped with a plurality of bolts that cup joint with installation fixed plate thread formula.
Preferably, the wire clamp assembly comprises a wire clamping bottom plate, a wire clamping pressure plate is arranged on the end face of the wire clamping bottom plate, and a plurality of bolt through holes sleeved with bolts are formed in the wire clamping pressure plate and the wire clamping bottom plate.
Preferably, a wire groove integrated with the wire clamping bottom plate is arranged between the end face of the wire clamping bottom plate and the wire clamping pressing plate.
Preferably, the wire clamping bottom plate and the wire clamping pressure plate are both made of electrical laminated wood.
Preferably, a plurality of locking assemblies which are distributed at equal intervals are arranged between the upper end and the lower end of the mounting fixing plate and the transformer frame beam, and the locking assemblies are connected and fixed with the mounting fixing plate in a nested manner.
Preferably, the locking assembly comprises a spring, and steel balls which are in clamping and sleeving connection with the spring are arranged between the spring and the transformer frame beam.
Preferably, a bolt locking nut which is in threaded sleeve connection with the bolt is arranged between the bolt and the wire clamp assembly.
The utility model discloses can reach following effect:
the utility model provides a low pressure lead wire goes out first wire and presss from both sides structure compares with prior art, has simple structure, the steadiness is strong, operating stability is good and long service life's characteristics. The tensile strength is increased, the electrodynamic effect generated by short circuit is effectively restrained, and the short circuit resistance is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a structural sectional view of the present invention.
Fig. 3 is a front view of the wire clamp assembly according to the present invention.
Fig. 4 is a schematic top view of a wire clamp assembly according to the present invention.
Fig. 5 is a schematic structural diagram of the locking assembly of the present invention.
In the figure: screw rod lock nut 1, frame attach screw 2, transformer frame roof beam 3, wire clamp subassembly 4, bolt 5, locking Assembly 6, installation fixed plate 7, bolt lock nut 8, wire press from both sides tight bottom plate 9, wire press from both sides tight clamp plate 10, metallic channel 11, bolt through-hole 12, steel ball 13, spring 14.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1-5, a low-voltage lead wire clip structure comprises a pair of transformer frame beams 3, frame connecting screw rods 2 connected with the transformer frame beams 3 in a sleeved manner are arranged between the front and rear ends of the two transformer frame beams 3, screw locking nuts 1 connected with the frame connecting screw rods 2 in a limited threaded manner are arranged at the two ends of each frame connecting screw rod 2, 5 wire clip assemblies 4 distributed at equal intervals are arranged at the side ends of the transformer frame beams 3, each wire clip assembly 4 comprises a wire clamping bottom plate 9, a wire clamping pressure plate 10 is arranged on the end surface of the wire clamping bottom plate 9, and a wire groove 11 integrated with the wire clamping bottom plate 9 is arranged between the end surface of the wire clamping bottom plate 9 and the wire clamping pressure plate 10. The wire clamping bottom plate 9 and the wire clamping pressure plate 10 are both made of electrical laminated wood. The wire clamping pressure plate 10 and the wire clamping bottom plate 9 are respectively provided with 2 bolt through holes 12 which are sleeved with the bolts 5. And an installation fixing plate 7 which is fixedly connected with the transformer frame beam 3 in an inserting manner is arranged between the lead clamp assembly 4 and the transformer frame beam 3, and 2 bolts 5 which are in threaded sleeve connection with the installation fixing plate 7 are arranged on the lead clamp assembly 4. A bolt locking nut 8 which is in threaded sleeve joint with the bolt 5 is arranged between the bolt 5 and the wire clamp component 4. All be equipped with 3 locking Assembly 6 that are equidistant distribution between the lower extreme and the transformer frame roof beam 3 on the installation fixed plate 7, locking Assembly 6 is fixed with installation fixed plate 7 looks nested connection. The locking component 6 comprises a spring 14, and steel balls 13 which are in clamping and sleeving connection with the spring 14 are arranged between the spring 14 and the transformer frame beam 3.
In conclusion, the low-voltage lead wire outlet clamp structure has the characteristics of simple structure, strong stability, good operation stability and long service life. The tensile strength is increased, the electrodynamic effect generated by short circuit is effectively restrained, and the short circuit resistance is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (7)
1. The utility model provides a low pressure lead wire goes out first wire clamp structure which characterized in that: including a pair of transformer frame roof beam (3), all be equipped with frame connection screw rod (2) that cup joint mutually with transformer frame roof beam (3) between the front and back both ends of two transformer frame roof beams (3), frame connection screw rod (2) both ends all be equipped with screw rod lock nut (1) that cup joint with frame connection screw rod (2) limit screw thread formula mutually, transformer frame roof beam (3) side all be equipped with a plurality of wire clamp assembly (4) that are equidistant distribution, wire clamp assembly (4) and transformer frame roof beam (3) between all be equipped with transformer frame roof beam (3) mutually insert the formula and be connected fixed installation fixed plate (7), wire clamp assembly (4) on be equipped with a plurality of bolts (5) that cup joint mutually with installation fixed plate (7) screw thread formula.
2. The low voltage lead wire clip structure of claim 1, wherein: the wire clamp assembly (4) comprises a wire clamping bottom plate (9), a wire clamping pressing plate (10) is arranged on the end face of the wire clamping bottom plate (9), and a plurality of bolt through holes (12) which are sleeved with bolts (5) are formed in the wire clamping pressing plate (10) and the wire clamping bottom plate (9).
3. The low voltage lead wire clip structure of claim 2, wherein: and a wire guide groove (11) integrated with the wire clamping bottom plate (9) is arranged between the end surface of the wire clamping bottom plate (9) and the wire clamping pressure plate (10).
4. The low voltage lead wire clip structure of claim 2, wherein: the wire clamping bottom plate (9) and the wire clamping pressing plate (10) are both made of electrical laminated wood.
5. The low voltage lead wire clip structure of claim 1, wherein: the transformer frame beam mounting and fixing device is characterized in that a plurality of locking assemblies (6) which are distributed at equal intervals are arranged between the upper end and the lower end of the mounting and fixing plate (7) and the transformer frame beam (3), and the locking assemblies (6) are fixedly connected with the mounting and fixing plate (7) in an embedded and sleeved mode.
6. The low voltage lead wire clip structure of claim 5, wherein: the locking assembly (6) comprises a spring (14), and steel balls (13) which are in clamping embedded type sleeve joint with the spring (14) are arranged between the spring (14) and the transformer frame beam (3).
7. The low voltage lead wire clip structure of claim 1, wherein: and a bolt locking nut (8) which is in threaded sleeve joint with the bolt (5) is arranged between the bolt (5) and the wire clamp component (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342653.1U CN213242199U (en) | 2020-10-20 | 2020-10-20 | Low-voltage lead outgoing wire clamp structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342653.1U CN213242199U (en) | 2020-10-20 | 2020-10-20 | Low-voltage lead outgoing wire clamp structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213242199U true CN213242199U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022342653.1U Active CN213242199U (en) | 2020-10-20 | 2020-10-20 | Low-voltage lead outgoing wire clamp structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213242199U (en) |
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2020
- 2020-10-20 CN CN202022342653.1U patent/CN213242199U/en active Active
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