CN216487638U

CN216487638U - Lead structure with balanced three-phase induced potential

Info

Publication number: CN216487638U
Application number: CN202123078842.3U
Authority: CN
Inventors: 霍建坤; 方囡囡; 夏宏林; 张燕; 王丽辉; 郭永军; 钱秀文; 安兴隆
Original assignee: Tianwei Baobian Hefei Transformer Co ltd
Current assignee: Tianwei Baobian Hefei Transformer Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-10
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to the technical field of transformers, and a balanced lead wire structure of three-phase response potential is disclosed, electric core including a plurality of symmetries set up with set up in the support frame in the electric core outside, a plurality of electric cores set up side by side, equal two liang of contact settings of a plurality of electric cores, the support frame transversely sets up, the fixed link that is equipped with a plurality of symmetries and sets up in bottom of support frame, through bolt threaded connection between a plurality of links and the support frame, the bottom of a plurality of electric cores all is provided with the thread, the top of a plurality of electric cores is all connected and is provided with the shunting lead wire, the opposite side lower extreme and the thread fixed connection of link, a plurality of links all are L shape setting, the fixed carriage that is equipped with in top of support frame, the inside of carriage is hollow setting. This balanced lead wire structure of three-phase induced potential can carry out quick location to a plurality of lead wires after the shunting lead wire arranges, is convenient for simultaneously follow-up dismantlement to the shunting lead wire.

Description

Lead structure with balanced three-phase induced potential

Technical Field

The utility model relates to a transformer technical field specifically is a balanced lead wire structure of three-phase induced potential.

Background

The lead is an important component in the existing power transformer, is an electric path for stably realizing electromagnetic conversion of the transformer, and simultaneously has a reasonable and simple lead structure, so that the loss of the transformer in use can be reduced.

In the in-process of realizing this application, the utility model discloses the people discovers to have following problem at least in this technique, present three-phase iron core power transformer is in order to solve three-phase winding induced potential's unbalance among the traditional lead structure, and influence inside there is the problem of circulation and arrange the thread in iron core high-low voltage both sides respectively with the shunting lead wire, the potential difference has been avoided with this, and need fix the circuit after the shunting line is drawn forth, but current fixing device fixed means is comparatively loaded down with trivial details, adopt connecting pieces such as clamps to connect, influence the dismantlement of follow-up circuit.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a balanced lead wire structure of three-phase response potential possesses can carry out quick location to a plurality of leads after the shunting lead wire is arranged, is convenient for simultaneously follow-up dismantles the advantage to the shunting lead wire, has solved current transformer and has arranged the thread respectively in iron core high-low pressure both sides with the shunting lead wire to after having avoided the potential difference, the shunting lead wire draws forth the comparatively loaded down with trivial details problem of back to line fixed means.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: a three-phase induced potential balanced lead structure comprises a plurality of symmetrically arranged electric cores and a support frame arranged outside the electric cores, wherein the electric cores are arranged side by side, every two of the electric cores are arranged in a contact manner, the support frame is transversely arranged, a plurality of symmetrically arranged connecting frames are fixedly arranged at the bottom of the support frame, the connecting frames are connected with the support frame through bolt threads, the bottoms of the electric cores are provided with mainlines, the tops of the electric cores are provided with shunting leads in a connecting manner, the lower end of the other side of the connecting frame is fixedly connected with the mainline, the connecting frames are arranged in an L shape, a sliding frame is fixedly arranged at the top of the support frame, the inside of the sliding frame is arranged in a hollow manner, a plurality of symmetrically arranged inserting grooves are formed in the bottom of the inner surface of the sliding frame, and a plurality of sliding blocks are sleeved at the upper end of the sliding frame in a sliding manner, a plurality of the spout has all been seted up to the bottom of slider, the spout slides with the internal surface bottom of link and cup joints, the through-hole has been seted up to the inside lower extreme of slider, be provided with between through-hole and the slot and be used for carrying out spacing grafting mechanism to the slider, it is a plurality of the lateral wall of shunting lead wire all wraps up and is provided with the cardboard, and is a plurality of the cardboard all is the arc setting, be equipped with the stopper between the internal surface bottom of cardboard and the cardboard, the stopper parcel sets up in the outside of shunting lead wire, be provided with between the top of cardboard and slider and be used for the cardboard to carry out telescopic machanism that stretches out and draws back.

Preferably, the telescopic mechanism comprises a screw rod, a threaded hole is formed in the bottom of the clamping plate, the bottom of the screw rod is rotatably connected with the top of the sliding block through a bearing, the upper end of the screw rod extends into the clamping plate and is in threaded fit with the hole wall of the threaded hole, and a rotating block is fixedly sleeved at the lower end of the rod wall of the screw rod.

Preferably, the two ends of the top of the sliding block and the two sides of the screw rod are fixedly provided with sliding rods, and the upper ends of the two sliding rods are in sliding sleeve connection with the inside of the clamping plate.

Preferably, spacing grafting mechanism includes telescopic link and first spring, telescopic link and first spring cup joint, and the top all with the internal surface top fixed connection of through-hole, the common fixedly connected with inserted block in bottom of telescopic link and first spring, the bottom of inserted block pass the slider and set up with the internal surface contact of slot.

Preferably, the upper end of the front side of the insertion block is fixedly connected with a pulling plate.

Preferably, a limiting groove is formed in the bottom of the inner surface of the clamping plate, the limiting block is in contact with the inner surface of the limiting groove, a sliding plate is fixedly connected to the top of the limiting block, the other end of the sliding plate penetrates through the clamping plate and extends to the outside, a limiting hole is formed in the upper end of the inside of the clamping plate, a second spring is fixedly connected to the top of the inner surface of the limiting hole, and the bottom of the second spring is fixedly connected with the top of the clamping plate.

Preferably, the limiting block is a wedge-shaped block, and the inclined plane is far away from the inner surface of the clamping plate.

Preferably, the rear sides of the inner surfaces of the clamping plates are fixedly connected with rubber pads, and the rubber pads are arranged in contact with the outer side walls of the tapping leads.

(III) advantageous effects

Compared with the prior art, the utility model provides a balanced lead wire structure of three-phase induced potential possesses following beneficial effect:

1. this balanced lead wire structure of three-phase induced potential through the support frame, link, thread and the branching lead wire that are equipped with, arranges the circuit respectively in the high-low voltage both sides of electric core, avoids taking place the unbalance of electric potential.

2. This balanced lead wire structure of three-phase response potential through support frame, link, carriage, slider, cardboard, telescopic machanism, spacing grafting mechanism, stopper, slide and the second spring that is equipped with, can carry out quick fixed to the position of lead wire after the shunting lead wire arranges the end.

Drawings

Fig. 1 is a schematic structural diagram of a lead structure with balanced three-phase induced potentials according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 2;

fig. 4 is an enlarged view of a portion C of fig. 2.

In the figure: the battery comprises a battery cell 1, a support frame 2, a connecting frame 3, a main wire 4, a tapping lead 5, a sliding frame 6, a sliding block 7, a clamping plate 8, a limiting block 9, a screw rod 10, a rotating block 11, a sliding rod 12, a telescopic rod 13, a first spring 14, an inserting block 15, a pulling plate 16, a sliding plate 17, a second spring 18 and a rubber pad 19.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a three-phase induced potential balanced lead structure comprises a plurality of symmetrically arranged electric cores 1 and a support frame 2 arranged outside the electric cores 1, the plurality of electric cores 1 are arranged side by side, the plurality of electric cores 1 are arranged in a pairwise contact manner, the support frame 2 is transversely arranged, a plurality of symmetrically arranged connection frames 3 are fixedly arranged at the bottom of the support frame 2, the plurality of connection frames 3 are connected with the support frame 2 through bolts and threads, a main line 4 is arranged at the bottom of each of the plurality of electric cores 1, a tapping lead 5 is arranged at the top of each of the plurality of electric cores 1, the tapping lead 5 and the main line 4 are respectively arranged at two sides of each of the electric cores to avoid potential imbalance as much as possible, the lower end of the other side of the connection frame 3 is fixedly connected with the main line 4, the plurality of connection frames 3 are arranged in an L shape, a sliding frame 6 is fixedly arranged at the top of the support frame 2, and the inside of the sliding frame 6 is arranged in a hollow shape, the bottom of the inner surface of the sliding frame 6 is provided with a plurality of symmetrically arranged slots, the upper end of the sliding frame 6 is sleeved with a plurality of sliding blocks 7 in a sliding way, the bottoms of the sliding blocks 7 are provided with sliding grooves, the sliding grooves are sleeved with the bottom of the inner surface of the connecting frame 3 in a sliding way, through the sliding fit of spout and 6 bottoms of carriage, can carry on spacingly to the lateral sliding of slider 7, the through-hole has been seted up to the inside lower extreme of slider 7, be provided with between through-hole and the slot and be used for carrying out spacing grafting mechanism to slider 7, the lateral wall of a plurality of shunting lead wires 5 all wraps up and is provided with cardboard 8, a plurality of cardboard 8 all are the arc setting, can carry out abundant parcel to shunting lead wire 5 and fix, be equipped with stopper 9 between the internal surface bottom of cardboard 8 and the cardboard 8, stopper 9 parcel sets up in shunting lead wire 5's the outside, be provided with between cardboard 8 and the top of slider 7 and be used for cardboard 8 to carry out telescopic machanism who stretches out and draws back.

Telescopic machanism includes screw rod 10, and threaded hole is seted up to the bottom of cardboard 8, and the bottom of screw rod 10 is passed through the bearing and is connected with the top rotation of slider 7, and the upper end of screw rod 10 stretch into cardboard 8 inside and with the pore wall screw-thread fit of screw hole, the fixed cover of pole wall lower extreme of screw rod 10 is equipped with rotatory piece 11, is convenient for rotate screw rod 10 through rotatory piece 11, accomplishes the distance between cardboard 8 and the slider 7 and adjusts.

Slide bars 12 are fixedly arranged at two ends of the top of the slide block 7 and positioned at two sides of the screw rod 10, the upper ends of the two slide bars 12 are slidably sleeved with the inside of the clamping plate 8, and the slide bars 12 longitudinally support the rotation of the screw rod 10.

Spacing grafting mechanism includes telescopic link 13 and first spring 14, and telescopic link 13 and first spring 14 cup joint, and the top all with the internal surface top fixed connection of through-hole, the common fixedly connected with inserted block 15 in telescopic link 13 and first spring 14's bottom, the bottom of inserted block 15 pass slider 7 and set up with the internal surface contact of slot, through the grafting between inserted block 15 and the slot, confirm slider 7's position.

The pull plate 16 is fixedly connected to the upper end of the front side of the insertion block 15, the insertion block 15 is conveniently pulled upwards through the pull plate 16, the insertion block 15 is separated from the slot, and the sliding block 7 is convenient to slide transversely along the sliding frame 6.

Spacing groove has been seted up to cardboard 8's internal surface bottom, the internal surface contact setting of stopper 9 and spacing groove, confirm stopper 9's position through the spacing groove, stopper 9's top fixedly connected with slide 17, slide 17's the other end passes cardboard 8 and extends to the outside, spacing hole has been seted up to cardboard 8's inside upper end, the internal surface top fixedly connected with second spring 18 in spacing hole, second spring 18's bottom is confirmed through second spring 18 to slide 17's position with cardboard 8's top fixed connection.

Stopper 9 is the wedge, and the inclined plane keeps away from the internal surface of cardboard 8, can promote stopper 9 when installing extension lead 5.

The equal fixedly connected with rubber pad 19 of the internal surface rear side of a plurality of cardboard 8, rubber pad 19 and shunting lead 5's lateral wall contact setting wrap up the protection to shunting lead 5 through rubber pad 19, prevent that the outer wall from receiving the fish tail.

In conclusion, when the three-phase lead structure with balanced induced potential is used, after the positions of the tapping leads 5 are arranged, the pulling plate 16 is pulled according to the positions of the tapping leads 5, so that the pulling plate 16 drives the insertion block to be taken out of the slot of the sliding frame 6, the slider 7 can drive the screw 10 and the clamping plate 8 to move transversely, the clamping plate 8 moves to the corresponding position of the tapping lead 5, then the pulling plate 16 is loosened, the insertion block 15 is inserted into the slot through the elastic recovery of the first spring 14, the position of the slider 7 is determined, the tapping leads 5 are arranged and fixed after the positions of the sliding plates 17 and the clamping plate 8 are determined, the tapping leads 5 fall down from the upper side of the clamping plate 8 and push the limiting block 9, and the limiting block 9 is a wedge-shaped block, so that the sliding plate 17 can slide transversely under the pushing of the tapping leads 5, and slide 17 stretches second spring 18 when sliding along cardboard 8 inside, get into cardboard 8 inside completely and when contacting with rubber pad 19 when shunting lead 5, stopper 9 does not take place the contact with shunting lead 5, this moment under second spring 18's elasticity recovery, make stopper 9 reply to initial position, and peg graft with the spacing groove once more, accomplish the position determination to shunting lead 5, and carry out stable parcel to shunting lead 5, simultaneously can continue the accessible to accomplish the dismantlement of taking out to shunting lead 5 to the pulling of slide 17.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a balanced lead wire structure of three-phase induced potential, includes electric core (1) that a plurality of symmetries set up and sets up in support frame (2) in electric core (1) outside, its characterized in that: the battery cell structure is characterized in that a plurality of battery cells (1) are arranged side by side, a plurality of battery cells (1) are arranged in a pairwise contact manner, the support frame (2) is transversely arranged, a plurality of symmetrical connecting frames (3) are fixedly arranged at the bottom of the support frame (2), the connecting frames (3) are connected with the support frame (2) through bolts and threads, the bottoms of the battery cells (1) are provided with mainlines (4), the tops of the battery cells (1) are provided with shunting leads (5), the lower end of the other side of each connecting frame (3) is fixedly connected with the mainlines (4), the connecting frames (3) are arranged in an L shape, the top of the support frame (2) is fixedly provided with a sliding frame (6), the inside of the sliding frame (6) is arranged in a hollow manner, and the bottom of the inner surface of the sliding frame (6) is provided with a plurality of symmetrically arranged slots, the sliding connection structure is characterized in that a plurality of sliding blocks (7) are sleeved on the upper end of the sliding frame (6) in a sliding mode, a plurality of sliding blocks (7) are arranged at the bottoms of the sliding blocks (7) in a sliding mode, the sliding grooves are sleeved with the inner surface bottom of the connecting frame (3) in a sliding mode, a through hole is formed in the lower end of the inner portion of each sliding block (7), a limiting insertion mechanism used for limiting the sliding blocks (7) is arranged between each through hole and each slot, the limiting insertion mechanism is arranged between each through hole and each slot, the outer side wall of each tapping lead (5) is wrapped with a clamping plate (8) in a wrapping mode, the clamping plates (8) are arranged in an arc-shaped mode, a limiting block (9) is arranged between the inner surface bottom of each clamping plate (8) and each clamping plate (8), the limiting blocks (9) are wrapped on the outer sides of the tapping leads (5), and a telescopic mechanism used for the clamping plates (8) to stretch out and retract is arranged between the tops of the clamping plates (8) and the sliding blocks (7).

2. The three-phase induced potential balanced lead structure of claim 1, wherein: the telescopic mechanism comprises a screw rod (10), a threaded hole is formed in the bottom of the clamping plate (8), the bottom of the screw rod (10) is rotatably connected with the top of the sliding block (7) through a bearing, the upper end of the screw rod (10) extends into the clamping plate (8) and is in threaded fit with the hole wall of the threaded hole, and a rotating block (11) is fixedly arranged at the lower end of the rod wall of the screw rod (10).

3. The three-phase induced potential balanced lead structure of claim 1, wherein: the top both ends of slider (7) are located both sides of screw rod (10) and all are fixed slide bar (12) of being equipped with, two the upper end of slide bar (12) all cup joints with the inside slip of cardboard (8).

4. The three-phase induced potential balanced lead structure of claim 1, wherein: spacing grafting mechanism includes telescopic link (13) and first spring (14), telescopic link (13) and first spring (14) cup joint, and the top all with the internal surface top fixed connection of through-hole, the common fixedly connected with inserted block (15) in bottom of telescopic link (13) and first spring (14), the bottom of inserted block (15) is passed slider (7) and is set up with the internal surface contact of slot.

5. The three-phase induced potential balanced lead structure of claim 4, wherein: the upper end of the front side of the insertion block (15) is fixedly connected with a pulling plate (16).

6. The three-phase induced potential balanced lead structure of claim 1, wherein: the limiting groove is formed in the bottom of the inner surface of the clamping plate (8), the limiting block (9) is arranged in contact with the inner surface of the limiting groove, a sliding plate (17) is fixedly connected to the top of the limiting block (9), the other end of the sliding plate (17) penetrates through the clamping plate (8) and extends to the outside, a limiting hole is formed in the upper end of the inside of the clamping plate (8), a second spring (18) is fixedly connected to the top of the inner surface of the limiting hole, and the bottom of the second spring (18) is fixedly connected with the top of the clamping plate (8).

7. The three-phase induced potential balanced lead structure of claim 1, wherein: the limiting block (9) is a wedge-shaped block, and the inclined plane is far away from the inner surface of the clamping plate (8).

8. The three-phase induced potential balanced lead structure of claim 1, wherein: the rear sides of the inner surfaces of the clamping plates (8) are fixedly connected with rubber pads (19), and the rubber pads (19) are in contact with the outer side walls of the tapping leads (5).