CN216698071U

CN216698071U - Stepless voltage regulating device of electric desalting transformer

Info

Publication number: CN216698071U
Application number: CN202122902571.2U
Authority: CN
Inventors: 王相玖
Original assignee: Shenyang No 4 Transformer Plant Co ltd
Current assignee: Shenyang No 4 Transformer Plant Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-07
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a stepless voltage regulating device of an electric desalting transformer, which relates to the technical field of transformers and comprises a shell, a regulating structure and a clinging structure, wherein the rear end of one side of the shell is connected with a bin gate through a hinged key, the front end of one side of the bin gate is provided with an opening and closing handle, one side, far away from the bin gate, in the shell is provided with a resistor disc, the top end of the resistor disc is provided with a first connecting wire, the top end of the shell is provided with an installation groove, one side in the installation groove is provided with a threaded rod through a rotating shaft, the outer wall of the threaded rod is connected with a threaded block through threads, and the top end of the threaded block is provided with a second connecting wire. According to the utility model, current is transmitted to the conductive wire through the first conductive sheet, the conductive wire is transmitted to the thread block through the second conductive sheet, a closed loop is formed with the second connecting wire, and the connecting rod is made of a non-conductive material.

Description

Stepless voltage regulating device of electric desalting transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a stepless voltage regulating device of an electric desalting transformer.

Background

The stepless voltage regulation is that the voltage curve is smooth when the voltage is regulated, the voltage can not be suddenly changed, the voltage is regulated for several volts within the regulation range, the voltage regulation with a pole is realized by switching, the voltage difference between two adjacent gears is quite large like a step, the voltage regulation is graded, the stepless voltage regulation is generally realized by a potentiometer, the voltage during the regulation is slowly changed, and the stepless voltage regulation device of the electric desalting transformer is a voltage regulation device with a smooth curve inside the electric desalting transformer.

When the stepless voltage regulating device of the traditional electric desalting transformer is used, the conducting strip is connected with the resistor, and the size of the connecting resistor is changed by adjusting the position of the conducting strip, so that stepless regulation of voltage is formed.

When the stepless voltage regulating device of the traditional electric desalting transformer is used for regulating voltage, the conducting strip continuously slides on the resistor, so that the conducting strip or the resistor is easily worn for a long time, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stepless voltage regulating device of an electric desalting transformer, which solves the problem of easy abrasion in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a stepless voltage regulating device of an electric desalting transformer comprises a shell, a regulating structure and a clinging structure;

the rear end of one side of the shell is connected with a bin gate through a hinged key, the front end of one side of the bin gate is provided with an opening and closing handle, one side, far away from the bin gate, of the interior of the shell is provided with a resistor disc, the top end of the resistor disc is provided with a first connecting wire, the top end of the shell is provided with an installation groove, one side of the interior of the installation groove is provided with a threaded rod through a rotating shaft, the outer wall of the threaded rod is connected with a threaded block through threads, the top end of the threaded block is provided with a second connecting wire, and the attaching structure is located at the bottom end of the threaded block;

one end of the threaded rod is provided with a knob, and the adjusting structure is positioned in the shell;

the adjusting structure comprises a sliding rod, the sliding rod is installed on one side of the resistor disc, external threads are arranged on the outer wall of the sliding rod, a plurality of movable resistor rings are sleeved on the outer wall of the external threads, a limiting ring is sleeved on the outer wall of one end of the sliding rod, internal threads are arranged inside the limiting ring, and the internal threads and the external threads are connected through threads.

Preferably, the top end of the first connecting wire penetrates through the shell, and the top end of the first connecting wire extends to the upper part of the shell;

the mounting groove is passed on the top of second connecting wire, and the top of second connecting wire extends to the top of mounting groove.

Preferably, one end of the threaded rod passes through the mounting groove, and one end of the threaded rod extends to one side of the mounting groove.

Preferably, paste tight structure and include cavity, first conducting strip, slider, fixed spring, second conducting strip, conductor wire and connecting rod, the second conducting strip is installed in the bottom of screw thread piece, and the conductor wire is all installed to the both sides of second conducting strip bottom, first conducting strip is installed to the bottom of conductor wire, and the cavity has been seted up to the inside of first conducting strip, the inside of cavity is provided with the slider, and the top of slider installs the connecting rod, the inside connecting rod outer wall cover of cavity is equipped with fixed spring.

Preferably, the top end of the connecting rod passes through the first conducting strip, and the top end of the connecting rod extends to the bottom end of the second conducting strip.

Preferably, the connecting rod is installed at the bottom end of the second conducting strip, and the connecting rod and the cavity form a sliding structure through the sliding block.

Compared with the prior art, the utility model has the beneficial effects that: at the in-process that the thread block removed, fixed spring is in the tensile state always, and fixed spring is connected with the inside top of cavity, under fixed spring's reaction force, make first conducting strip be in the trend of downward movement always, then first conducting strip is hugged closely with movable resistance ring all the time, and the slider then upwards slides in the inside of cavity relatively, the electric current transmits the conductor wire through first conducting strip, the rethread conductor wire transmits the second conducting strip, transmit to the thread block through the second conducting strip, be connected the electric wire with the second and form the closed loop, the connecting rod is made for the material that does not electrically conduct, this structure has realized hugging closely of conducting part, and prevent to take place wearing and tearing.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a bin gate; 2. a housing; 3. a movable resistance ring; 4. an external thread; 5. a slide bar; 6. resistance cards; 7. a first connecting wire; 8. mounting grooves; 9. a clinging structure; 901. a cavity; 902. a first conductive sheet; 903. a slider; 904. fixing the spring; 905. a second conductive sheet; 906. a conductive wire; 907. a connecting rod; 10. a threaded rod; 11. a thread block; 12. a second connecting wire; 13. a knob; 14. a limiting ring; 15. an internal thread; 16. the handle is opened and closed.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, a stepless voltage regulating device for an electric desalting transformer comprises a housing 2, a regulating structure and a clinging structure 9;

the rear end of one side of the shell 2 is connected with the bin gate 1 through a hinged key, the front end of one side of the bin gate 1 is provided with an opening and closing handle 16, one side, far away from the bin gate 1, of the interior of the shell 2 is provided with a resistor disc 6, the top end of the resistor disc 6 is provided with a first connecting wire 7, the top end of the first connecting wire 7 penetrates through the shell 2, the top end of the first connecting wire 7 extends to the upper side of the shell 2, the top end of the shell 2 is provided with an installation groove 8, one side, inside the installation groove 8, of the interior of the installation groove 8 is provided with a threaded rod 10 through a rotating shaft, the outer wall of the threaded rod 10 is connected with a threaded block 11 through threads, the top end of the threaded block 11 is provided with a second connecting wire 12, the top end of the second connecting wire 12 penetrates through the installation groove 8, the top end of the second connecting wire 12 extends to the upper side of the installation groove 8, and the tight-attaching structure 9 is located at the bottom end of the threaded block 11;

one end of the threaded rod 10 penetrates through the mounting groove 8, one end of the threaded rod 10 extends to one side of the mounting groove 8, one end of the threaded rod 10 is provided with a knob 13, and the adjusting structure is positioned inside the shell 2;

referring to fig. 1-5, the stepless voltage regulating device of the electric desalting transformer further comprises a regulating structure, the regulating structure comprises a sliding rod 5, the sliding rod 5 is installed on one side of a resistance sheet 6, an external thread 4 is arranged on the outer wall of the sliding rod 5, a plurality of movable resistance rings 3 are sleeved on the outer wall of the external thread 4, a limiting ring 14 is sleeved on the outer wall of one end of the sliding rod 5, an internal thread 15 is arranged inside the limiting ring 14, and the internal thread 15 is in threaded connection with the external thread 4;

specifically, as shown in fig. 1, when the mechanism is used, the limit ring 14 is gradually connected with the slide rod 5 through the threaded connection between the internal thread 15 and the external thread 4, the limit ring 14 is gradually close to the movable resistance ring 3, and the movable resistance ring 3 is continuously pushed through the limit ring 14, so that the plurality of movable resistance rings 3 are tightly attached to each other.

Example 2: the tight attaching structure 9 comprises a cavity 901, a first conducting plate 902, a slider 903, a fixed spring 904, a second conducting plate 905, a conducting wire 906 and a connecting rod 907, wherein the second conducting plate 905 is installed at the bottom end of the threaded block 11, the conducting wires 906 are installed on two sides of the bottom end of the second conducting plate 905, the first conducting plate 902 is installed at the bottom end of the conducting wire 906, the cavity 901 is formed in the first conducting plate 902, the slider 903 is arranged in the cavity 901, the connecting rod 907 is installed at the top end of the slider 903, and the fixed spring 904 is sleeved on the outer wall of the connecting rod 907 in the cavity 901;

the top end of the connecting rod 907 penetrates through the first conductive sheet 902, and the top end of the connecting rod 907 extends to the bottom end of the second conductive sheet 905;

the connecting rod 907 is installed at the bottom end of the second conductive sheet 905, and the connecting rod 907 forms a sliding structure with the cavity 901 through the slider 903;

specifically, as shown in fig. 1 and 5, when this mechanism is used, the first conductive plate 902 tends to move downward due to the reaction force of the fixed spring 904, and the first conductive plate 902 is always in close contact with the movable resistance ring 3.

The working principle is as follows: the working personnel pulls the opening and closing handle 16 to open the bin door 1, the plurality of movable resistance rings 3 are sleeved on the outer wall of the sliding rod 5, then the limiting ring 14 is arranged at one end of the external thread 4, the limiting ring 14 is rotated and is connected with the external thread 4 through the internal thread 15, the limiting ring 14 is gradually connected with the sliding rod 5 and gradually approaches to the movable resistance rings 3, the movable resistance rings 3 are continuously pushed through the limiting ring 14, the plurality of movable resistance rings 3 are mutually attached, if the total amount of resistance is increased, the limiting ring 14 rotates reversely, after being screwed out from the outer wall of the sliding rod 5, the redundant movable resistance rings 3 are sleeved on the limiting ring 14, and then the limiting ring 14 is screwed in again to fix the limiting ring;

the first connecting wire 7 and the second connecting wire 12 are respectively connected with a power supply, the knob 13 is rotated, the threaded rod 10 is driven to rotate by the knob 13, as the threaded rod 10 is connected with the threaded block 11 by the threads, in the rotating process of the threaded rod 10, the threaded block 11 moves along with the threads on the outer wall of the threaded rod 10, the threaded block 11 moves towards the left side by adjusting the rotating direction, the resistance connected with the power supply is increased, the voltage is reduced, if the threaded block 11 moves towards the right side, the resistance connected with the power supply is reduced, the voltage is increased, in the moving process of the threaded block 11, the fixed spring 904 is always in a stretching state, the fixed spring 904 is connected with the top end inside the cavity 901, under the counter-acting force of the fixed spring 904, the first conducting plate 902 is always in a downward moving trend, and the first conducting plate 902 is always attached to the movable resistance ring 3, the slider 903 slides upwards relatively in the cavity 901, current is transmitted to the conductive wire 906 through the first conductive sheet 902, then is transmitted to the second conductive sheet 905 through the conductive wire 906, and is transmitted to the thread block 11 through the second conductive sheet 905 to form a closed loop with the second connecting wire 12, and the connecting rod 907 is made of a non-conductive material, so that the conductive parts are tightly attached to each other, and abrasion is prevented.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. A stepless voltage regulation device of an electric desalting transformer, comprising a shell (2), characterized in that: also comprises an adjusting structure and a clinging structure (9); the rear end of one side of the shell (2) is connected with the bin door (1) through a hinged key, an opening and closing handle (16) is installed at the front end of one side of the bin door (1), a resistor disc (6) is installed at one side, far away from the bin door (1), of the interior of the shell (2), a first connecting wire (7) is installed at the top end of the resistor disc (6), an installation groove (8) is installed at the top end of the shell (2), a threaded rod (10) is installed at one side of the interior of the installation groove (8) through a rotating shaft, the outer wall of the threaded rod (10) is connected with a threaded block (11) through threads, a second connecting wire (12) is installed at the top end of the threaded block (11), and the tight attaching structure (9) is located at the bottom end of the threaded block (11); one end of the threaded rod (10) is provided with a knob (13), and the adjusting structure is positioned in the shell (2); the adjusting structure comprises a sliding rod (5), the sliding rod (5) is installed on one side of a resistor disc (6), the outer wall of the sliding rod (5) is provided with external threads (4), the outer wall of the external threads (4) is sleeved with a plurality of movable resistor rings (3), the outer wall of one end of the sliding rod (5) is sleeved with a limiting ring (14), internal threads (15) are arranged inside the limiting ring (14), and the internal threads (15) are connected with the external threads (4) through threads.

2. The stepless voltage regulation device of the electric desalting transformer as claimed in claim 1, wherein: the top end of the first connecting wire (7) penetrates through the shell (2), and the top end of the first connecting wire (7) extends to the upper side of the shell (2).

3. The stepless voltage regulation device of the electric desalting transformer as claimed in claim 1, wherein: the top end of the second connecting wire (12) penetrates through the mounting groove (8), and the top end of the second connecting wire (12) extends to the upper side of the mounting groove (8).

4. The stepless voltage regulation device of the electric desalting transformer as claimed in claim 1, wherein: the one end of threaded rod (10) passes mounting groove (8), and the one end of threaded rod (10) extends to one side of mounting groove (8).

5. The stepless voltage regulation device of the electric desalting transformer as claimed in claim 1, wherein: the tight structure (9) of pasting includes cavity (901), first conducting strip (902), slider (903), fixed spring (904), second conducting strip (905), electrically conductive line (906) and connecting rod (907), second conducting strip (905) are installed in the bottom of screw block (11), and electrically conductive line (906) are all installed to the both sides of second conducting strip (905) bottom, first conducting strip (902) are installed to the bottom of electrically conductive line (906), and cavity (901) have been seted up to the inside of first conducting strip (902), the inside of cavity (901) is provided with slider (903), and connecting rod (907) are installed to the top of slider (903), connecting rod (907) outer wall cover inside cavity (901) is equipped with fixed spring (904).

6. The stepless voltage regulation device of the electric desalting transformer as claimed in claim 5, wherein: the top end of the connecting rod (907) penetrates through the first conducting strip (902), and the top end of the connecting rod (907) extends to the bottom end of the second conducting strip (905).

7. The stepless voltage regulation device of the electric desalting transformer as claimed in claim 5, wherein: the connecting rod (907) is installed at the bottom end of the second conducting strip (905), and the connecting rod (907) and the cavity (901) form a sliding structure through the slider (903).