CN210956356U - Standard voltage transformer - Google Patents

Abstract

The utility model discloses a standard voltage transformer, the on-line screen storage device comprises a base, the inside of base is provided with the recess, be fixed with the telescopic link on the recess, the peripheral cover of telescopic link is equipped with the spring, the telescopic link is kept away from the one end of recess and is connected with the connecting plate, the inside of connecting plate is provided with the spacing groove, the inside of spacing groove is provided with the limiting plate, be fixed with the connecting rope on the lateral wall of limiting plate, the pulley is installed to the below of connecting plate, the both sides below by the base all are fixed with solid fixed ring, the top of base is provided with the shell; the utility model discloses fix the pulley on the base among the original standard voltage transformer, the replacement is for can be at the inside flexible pulley of base, when the device need not remove, with the pulley income base in, avoids the pulley to bear the weight of whole device always, causes the pulley impaired, belongs to standard voltage transformer technical field.

Description

Standard voltage transformer

Technical Field

The utility model belongs to the technical field of standard voltage transformer, concretely relates to standard voltage transformer.

Background

The voltage transformer adopts an advanced iron core winding technology, the iron core is formed by winding the whole strip of oriented strip-shaped silicon steel sheet, and the iron core is subjected to vacuum annealing treatment, so that no air gap exists in the iron core, and the voltage transformer has good magnetic performance.

The prior art has the following problems: 1. the existing standard voltage transformer is provided with a pulley on a base, the movement of the device is realized through the pulley, but the pulley is fixed on the base and cannot be stretched, so that the pulley always bears the weight of the whole device, and the pulley is easily damaged; 2. the existing standard voltage transformer is provided with a primary high-voltage terminal, a boosting input power terminal and a transformer secondary terminal on a shell, but the primary high-voltage terminal, the boosting input power terminal and the transformer secondary terminal are all exposed on the shell, and in the transportation and moving process, the primary high-voltage terminal, the boosting input power terminal or the transformer secondary terminal are easily affected by external force to cause the primary high-voltage terminal, the boosting input power terminal or the transformer secondary terminal.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a standard voltage transformer has protection device's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a standard voltage transformer comprises a base, wherein a groove is formed in the base, a telescopic rod is fixed on the groove, a spring is sleeved on the periphery of the telescopic rod, one end, far away from the groove, of the telescopic rod is connected with a connecting plate, a limiting groove is formed in the connecting plate, a limiting plate is arranged in the limiting groove, a connecting rope is fixed on the side wall of the limiting plate, a pulley is arranged below the connecting plate, fixing rings are fixed on two sides of the base, close to the lower side, of the base, a shell is arranged above the base, a transformer secondary terminal is arranged on one side of the shell, close to the lower side, a boosting input power terminal is arranged on the other side of the shell, a primary high-voltage terminal is arranged above the shell, and a fixing plate is fixed on one side, located on the transformer secondary terminal, the boosting input power terminal, the utility model discloses a transformer, including shell, input power supply terminal and the first high-voltage terminal of mutual-inductor, the opposite side that just is located mutual-inductor secondary terminal, steps up on the shell is fixed with the mounting panel, one side both ends that the mounting panel is close to the fixed plate all are fixed with the curb plate, be fixed with on the lateral wall of mounting panel and accept the board, just be located the top of accepting the board on the lateral wall of mounting panel and be fixed with the bracing piece, the bracing piece is kept away from the one end of mounting panel and is installed L shape locating part, rotate through the second pivot between L shape locating part and the bracing piece and be connected, the roof is installed to the top of mounting panel, rotate through.

Preferably, the top plate and the fixing plate are provided with threaded holes at positions corresponding to the bolts.

Preferably, the bearing plate and the mounting plate are fixedly connected through a welding mode.

Preferably, the length of the connecting plate is smaller than the width of the groove.

Preferably, the length of the limiting plate is greater than the width of the groove.

Preferably, the fixing ring and the base are of an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model replaces the pulley fixed on the base in the original standard voltage transformer with the pulley which can be extended and retracted in the base, when the device does not need to be moved, the pulley is taken into the base, thereby avoiding the pulley bearing the weight of the whole device all the time and causing the pulley to be damaged;

the utility model discloses high-voltage terminal, the input power supply terminal that steps up and the periphery of mutual-inductor secondary terminal in original standard voltage transformer add protector, avoid when not using the device, high-voltage terminal, the input power supply terminal that steps up and mutual-inductor secondary terminal receive exogenic action, cause a high-voltage terminal, step up input power supply terminal and mutual-inductor secondary terminal impaired.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention at fig. 1A;

fig. 3 is a cross-sectional view of the present invention at fig. 1B;

fig. 4 is a schematic structural view of the present invention in a state where the top plate is opened;

fig. 5 is a top view of the present invention at fig. 4C.

In the figure: 1. a housing; 2. a fixing ring; 3. a base; 4. a pulley; 5. a connecting plate; 6. connecting ropes; 7. a side plate; 8. a fixing plate; 9. a bolt; 10. a top plate; 11. a first rotating shaft; 12. mounting a plate; 13. a bearing plate; 14. a telescopic rod; 15. a spring; 16. a groove; 17. a limiting plate; 18. a limiting groove; 19. a boost input power supply terminal; 20. a secondary terminal of the transformer; 21. a primary high voltage terminal; 22. an L-shaped limiting member; 23. a second rotating shaft; 24. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a standard voltage transformer comprises a base 3, a groove 16 is arranged in the base 3, a telescopic rod 14 is fixed on the groove 16, a spring 15 is sleeved on the periphery of the telescopic rod 14, one end of the telescopic rod 14, which is far away from the groove 16, is connected with a connecting plate 5, a limiting groove 18 is arranged in the connecting plate 5, a limiting plate 17 is arranged in the limiting groove 18, a connecting rope 6 is fixed on the side wall of the limiting plate 17, a pulley 4 is arranged below the connecting plate 5, fixing rings 2 are fixed on both sides of the base 3, which are close to the lower part, a shell 1 is arranged above the base 3, a transformer secondary terminal 20 is arranged on one side of the shell 1, which is close to the lower part, a boosting input power supply terminal 19 is arranged on the other side of the shell 1, a primary high-voltage terminal 21 is arranged above the shell 1, and a fixing plate 8 is fixed on one side of, on the shell 1 and be located mutual-inductor secondary terminal 20, the opposite side of input power supply terminal 19 and primary high-voltage terminal 21 steps up is fixed with mounting panel 12, one side both ends that mounting panel 12 is close to fixed plate 8 all are fixed with curb plate 7, be fixed with on the lateral wall of mounting panel 12 and accept board 13, the top that just is located and accepts board 13 on the lateral wall of mounting panel 12 is fixed with bracing piece 24, L shape locating part 22 is installed to the one end that mounting panel 12 was kept away from to bracing piece 24, rotate through second pivot 23 between L shape locating part 22 and the bracing piece 24 and be connected, roof 10 is installed to the top of mounting panel 12, rotate through first pivot 11 between roof 10 and the mounting panel 12 and be connected, through bolt 9 fixed connection between roof.

In order to conveniently and fixedly connect the top plate 10 and the fixing plate 8 through the bolts 9, threaded holes are formed in the positions, corresponding to the bolts 9, of the top plate 10 and the fixing plate 8.

In order to fixedly mount the receiving plate 13 on the mounting plate 12, the receiving plate 13 and the mounting plate 12 are fixedly connected by welding.

In order to make the web 5 telescopic in the groove 16, the length of the web 5 is smaller than the width of the groove 16.

In order that the extension and contraction of the connection plate 5 can be restricted by the stopper plate 17, the length of the stopper plate 17 in the present embodiment is larger than the width of the groove 16.

In order to fix the connecting rope 6 to the base 3, in the present embodiment, the fixing ring 2 and the base 3 are of an integral structure.

The utility model discloses a theory of operation and use flow: the utility model discloses pull out pulley 4 from recess 16, spring 15 receives the effort and takes place to deform and drive telescopic link 14 flexible, thereby drive connecting plate 5 and stretch out from recess 16, after pulley 4 stretches out suitable position department, insert limiting plate 17 into limiting groove 18 on connecting plate 5 through connecting rope 6, avoid pulley 4 to kick-back to recess 16 after losing exogenic action, rethread pulley 4 removes the device to the position department that needs to use, after the removal is accomplished, take out limiting plate 17 from limiting groove 18 again, spring 15 loses the fastening force reconversion, drive telescopic link 14 flexible, thereby drive connecting plate 5 to move in recess 16, thereby take in pulley 4 in recess 16, base 3 directly contacts with ground, bear the weight of whole device, bolt 9 takes off again, lose the connection effort between roof 10 and the fixed plate 8, rotate roof 10 through first pivot 11, when the top plate 10 rotates to the attaching installation plate 12, the second rotating shaft 23 rotates the L-shaped limiting part 22, so that the L-shaped limiting part 22 limits the top plate 10, the receiving plate 13 on the installation plate 12 can receive the L-shaped limiting part 22, the L-shaped limiting part 22 is prevented from shaking, the top plate 10 cannot be stably fixed, the boosting input power terminal 19 is connected with the adjustable power supply, the corresponding primary high-voltage terminal 21 is connected with the high-voltage end of the single-phase voltage transformer to be detected, the corresponding secondary terminal 20 of the standard transformer is connected with the standard voltage input end of the transformer calibrator, boosting of the standard transformer and the transformer can be realized by adjusting the input voltage on the boosting input power terminal 19, the voltage value required by the test is reached, the standard voltage value is input into the calibrator through the secondary terminal 20 of the transformer, and.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. A standard voltage transformer comprises a base (3), and is characterized in that: the novel transformer is characterized in that a groove (16) is formed in the base (3), a telescopic rod (14) is fixed on the groove (16), a spring (15) is sleeved on the periphery of the telescopic rod (14), one end, far away from the groove (16), of the telescopic rod (14) is connected with a connecting plate (5), a limiting groove (18) is formed in the connecting plate (5), a limiting plate (17) is arranged in the limiting groove (18), a connecting rope (6) is fixed on the side wall of the limiting plate (17), a pulley (4) is installed below the connecting plate (5), fixing rings (2) are fixed on two sides, close to the lower side, of the base (3), a shell (1) is arranged above the base (3), a transformer secondary terminal (20) is installed on one side, close to the lower side, of the shell (1) is provided with a boosting input power supply terminal (19) on the other side, close to, a high-voltage terminal (21) is installed above the shell (1), a fixing plate (8) is fixed on one side of the shell (1) which is positioned on a transformer secondary terminal (20), a boosting input power terminal (19) and a high-voltage terminal (21), a mounting plate (12) is fixed on the other side of the shell (1) which is positioned on the transformer secondary terminal (20), the boosting input power terminal (19) and the high-voltage terminal (21), side plates (7) are fixed on both ends of one side of the mounting plate (12) close to the fixing plate (8), a receiving plate (13) is fixed on the side wall of the mounting plate (12), a supporting rod (24) is fixed on the side wall of the mounting plate (12) and positioned above the receiving plate (13), an L-shaped limiting part (22) is installed at one end of the supporting rod (24) far away from the mounting plate (12), and the L-shaped limiting part (22) is rotatably connected with the supporting rod (24) through a second rotating, roof (10) are installed to the top of mounting panel (12), rotate through first pivot (11) between roof (10) and mounting panel (12) and be connected, through bolt (9) fixed connection between roof (10) and fixed plate (8).

2. A standard voltage transformer according to claim 1, wherein: and threaded holes are formed in the top plate (10) and the fixing plate (8) and correspond to the positions of the bolts (9).

3. A standard voltage transformer according to claim 1, wherein: the bearing plate (13) and the mounting plate (12) are fixedly connected in a welding mode.

4. A standard voltage transformer according to claim 1, wherein: the length of the connecting plate (5) is smaller than the width of the groove (16).

5. A standard voltage transformer according to claim 1, wherein: the length of the limiting plate (17) is larger than the width of the groove (16).

6. A standard voltage transformer according to claim 1, wherein: the fixing ring (2) and the base (3) are of an integrated structure.

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