CN113270261B - Transformer substation is with fixed transformer core group of fast assembly - Google Patents

Transformer substation is with fixed transformer core group of fast assembly Download PDF

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Publication number
CN113270261B
CN113270261B CN202110824664.XA CN202110824664A CN113270261B CN 113270261 B CN113270261 B CN 113270261B CN 202110824664 A CN202110824664 A CN 202110824664A CN 113270261 B CN113270261 B CN 113270261B
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China
Prior art keywords
core group
iron core
bottom plate
transformer
fixedly connected
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CN202110824664.XA
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Chinese (zh)
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CN113270261A (en
Inventor
胡军
蔡小娟
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Jiangxi Broad Sci Tech Co ltd
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Jiangxi Broad Sci Tech Co ltd
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Priority to CN202110824664.XA priority Critical patent/CN113270261B/en
Publication of CN113270261A publication Critical patent/CN113270261A/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266Fastening or mounting the core on casing or support

Abstract

The invention relates to the technical field of transformer substations, and discloses a transformer core group for quick combination and fixation of a transformer substation. According to the invention, in the downward moving process of the bottom plate, the two push rods at the bottom of the bottom plate are matched with the moving through holes in the swing support arm to extrude the swing support arm, the swing support arm drives the side support posts to rotate through the second pin shaft, three groups of arc-shaped clamps on the two side support posts are clamped and fixed on the iron core group, the stability of the iron core group is ensured, the threaded screw rod is rotated through the first pin shaft and clamped in the clamping groove on the other side support post, and the rotary butterfly nut is tightly attached to the side support posts, so that the stability of the two side support posts is ensured, and the operation is convenient and rapid.

Description

Transformer substation is with fixed transformer core group of fast assembly
Technical Field
The invention relates to the technical field of transformer substations, in particular to a transformer core group which is quickly combined and fixed for a transformer substation.
Background
At present, a power transformer is a static electrical device, which is a device for changing an ac voltage of a certain value into another voltage or voltages of different values with the same frequency. The level of the secondary induced electromotive force is related to the number of turns of a secondary winding, namely the voltage is in direct proportion to the number of turns, the main function is to transmit electric energy, therefore, the rated capacity is a main parameter of the transformer, the rated capacity is a conventional value of performance power, the value of the transmitted electric energy is represented and indicated by kVA or MVA, when the transformer applies the rated voltage, the rated current which does not exceed the temperature rise limit value under the specified condition is determined according to the rated voltage, an iron core of the power transformer is arranged in an iron core barrel, an insulating layer is arranged between the iron core and the iron core barrel wall, but the electromotive forces generated by the iron core group of the transformer which is quickly combined and fixed in the traditional transformer substation can interfere with each other, the normal use of equipment is influenced, the heat dissipation effect is poor, the internal heat is easily overhigh, and the equipment is easily damaged.
However, the prior technical scheme explored by the inventor still has at least the following defects:
the iron core group among the prior art all needs one step of steel sheet and bolt cooperation equipment in carrying out the installation, not only wastes time and energy, still causes artificial waste.
Disclosure of Invention
The invention aims to provide a transformer core group which is used for quickly combining and fixing a transformer substation, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a transformer core group for a transformer substation, which is quickly combined and fixed, comprises a base plate and a bottom plate movably lapped on the base plate, wherein a groove is vertically and upwards formed in an inner cavity of the base plate, a spring sleeve is vertically and upwards fixedly connected to the middle position of the groove bottom plate of the base plate, an inverted T-shaped pressure rod is vertically and upwards movably spliced on the upper portion of the spring sleeve, and the middle position of the bottom plate is mutually vertically and fixedly connected with the upper end of the inverted T-shaped pressure rod; a spring is movably inserted in the inner cavity of the spring sleeve;
the middle positions of the left part and the right part of the inner cavity of the groove positioned on the base plate are movably hinged with the lower end part of the side pillar through a second pin shaft, the right side of the lower part of the side pillar is obliquely and integrally fixedly connected with a swinging support arm, and moving through openings are formed in the front side surface and the rear side surface of the swinging support arm along the length direction of the swinging support arm; rectangular openings are horizontally and outwards formed in the middle positions of the left side wall and the right side wall of the bottom plate, the side pillars vertically and upwards movably penetrate through the rectangular openings, pushing rods are fixedly connected to the left part and the right part of the bottom plate, and the pushing rods are movably inserted into the moving openings;
the middle positions of the upper parts of the two side supports are both vertically and upwards provided with clamping notches, and the clamping notches of the side supports positioned on the left side are movably hinged with threaded lead screws through first hinge pins; two equal horizontal fixedly connected with xarm in both parts about one side in opposite directions of collateral branch post, be located two of same horizontal direction equal fixedly connected with three equidistance arc clamp of distribution of one side in opposite directions of xarm, two that the level aligns the joint has the iron core group between the arc clamp.
As a preferred embodiment of the present invention, the front side and the rear side of the substrate are both vertically provided with a plurality of positioning holes distributed at equal intervals.
In a preferred embodiment of the invention, the other end of the threaded screw rod is movably clamped in the clamping groove at the upper part of the other side pillar, and a butterfly nut is screwed and sleeved at the outer end part of the threaded screw rod in a threaded manner.
In a preferred embodiment of the present invention, two horizontally aligned arc-shaped hoops are butted against each other, and a rubber pad is fixedly bonded to an inner wall of each arc-shaped hoop.
As a preferred embodiment of the invention, three circular slotted holes which are distributed at equal intervals are vertically and upwards arranged at the upper part of the bottom plate, and the lower end parts of the iron core groups are movably inserted in the circular slotted holes.
As a preferred embodiment of the present invention, the middle parts of two adjacent iron core groups are fixedly connected by a connecting rod.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the transformer iron core group capable of being quickly combined and fixed for the transformer substation, two side supports are obliquely distributed on the base plate in an initial state, when the iron core group is installed, an operator can directly insert the iron core group into the circular groove on the bottom plate, at the moment, the bottom plate is pressed downwards under the action of gravity of the iron core group, the bottom plate extrudes a spring through the inverted T-shaped pressure rod matched with the spring sleeve, the bottom plate is guaranteed to move downwards in a buffering mode, and the problem that the side supports swing quickly when the iron core group is put down and potential safety hazards of injuring people are solved.
2. According to the transformer iron core group capable of being quickly combined and fixed for the transformer substation, two push rods at the bottom of the bottom plate are matched with a moving through hole in the swing support arm to extrude the swing support arm in the moving-down process of the bottom plate, the swing support arm drives the side support post to rotate through the second pin shaft, the side support post is rotatably inserted into a rectangular opening of the bottom plate, three groups of arc-shaped clamps on the two side support posts are clamped and fixed to the iron core group, so that the stability of the iron core group is guaranteed, finally an operator rotates the threaded screw rod through the first pin shaft and clamps the threaded screw rod in the clamping groove on the other side support post, a rotary butterfly nut is tightly attached to the side support post, so that the stability of the two side support posts is guaranteed, and the operation is very convenient and quick.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a fast assembled and fixed transformer core assembly for a transformer substation according to the present invention;
FIG. 2 is a schematic diagram of the distribution position of the arc-shaped clamps of the transformer core assembly for quick assembly and fixation of the transformer substation according to the present invention;
FIG. 3 is a schematic diagram of a side view cross-sectional structure of a transformer core assembly for quick assembly and fixation in a transformer substation according to the present invention;
fig. 4 is a schematic diagram of an enlarged structure C in fig. 3 of the transformer core assembly for quick assembly and fixation in a transformer substation according to the present invention;
fig. 5 is an enlarged schematic structural diagram of a transformer core group for quick assembly and fixation of a transformer substation at the position B in fig. 3 according to the present invention;
fig. 6 is an enlarged schematic structural diagram of a transformer core assembly fixed by quick assembly in a transformer substation according to the present invention at a position a in fig. 2.
In the figure: 1. a substrate; 2. a circular notch; 3. positioning holes; 4. a rectangular opening; 5. a base plate; 6. an arc-shaped hoop; 7. a rubber pad; 8. a butterfly nut; 9. clamping the notch; 10. a threaded lead screw; 11. a first pin shaft; 12. a side strut; 13. a cross arm; 14. an inverted T-shaped compression bar; 15. a spring sleeve; 16. a spring; 17. a second pin shaft; 18. swinging the support arm; 19. a groove; 20. moving the through opening; 21. a push rod; 22. an iron core group; 23. a connecting rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-6, the present invention provides a technical solution: a transformer core group for a transformer substation, which is quickly combined and fixed, comprises a base plate 1 and a bottom plate 5 movably lapped on the base plate 1, wherein a groove 19 is vertically and upwards formed in the inner cavity of the base plate 1, a spring sleeve 15 is vertically and upwards fixedly connected to the middle position of the bottom plate of the groove 19 positioned on the base plate 1, an inverted T-shaped pressure rod 14 is vertically and upwards movably spliced on the upper part of the spring sleeve 15, and the inverted T-shaped pressure rod 14 can ensure that a spring 16 is extruded and is relatively stable;
the middle positions of the left and right parts of the inner cavity of the groove 19 positioned on the base plate 1 are movably hinged with the lower end part of the side pillar 12 through a second pin shaft 17, the right side of the lower part of the side pillar 12 is obliquely and integrally fixedly connected with a swinging support arm 18, and moving through openings 20 are formed in the front side surface and the rear side surface of the swinging support arm 18 along the length direction of the swinging support arm; rectangular openings 4 are horizontally and outwards formed in the middle positions of the left side wall and the right side wall of the bottom plate 5, the side pillars 12 vertically and upwards movably penetrate through the rectangular openings 4, and the arranged rectangular openings 4 can ensure that the side pillars 12 stably swing and can be replaced to ensure that the side supports are stable;
the middle positions of the upper parts of the two side supports 12 are both vertically and upwards provided with clamping notches 9, and threaded screw rods 10 are movably hinged in the clamping notches 9 of the side supports 12 on the left through first hinge pins 11; the upper portion and the lower portion of one side of each of the two side supports 12 opposite to each other are horizontally and fixedly connected with cross arms 13, two cross arms 13 located in the same horizontal direction are fixedly connected with three arc-shaped hoops 6 distributed at equal intervals on one side of each of the opposite to each other, and iron core groups 22 are clamped between the arc-shaped hoops 6 which are horizontally aligned.
In this embodiment, in an initial state, the two side pillars 12 are obliquely distributed on the base plate 1, when the iron core set 22 is installed, an operator can directly insert the iron core set 22 into the circular notch 2 on the bottom plate 5, at this time, since the bottom plate 5 is pressed down under the action of gravity of the iron core set 22, at this time, the bottom plate 5 extrudes the spring 16 through the inverted T-shaped pressing rod 14 in cooperation with the spring sleeve 15, and the bottom plate 5 is guaranteed to move downwards in a buffering manner; two pushing rods 21 at the bottom of the bottom plate 5 are matched with a moving through opening 20 on a swinging support arm 18 to extrude the swinging support arm in the moving process of the bottom plate 5, the swinging support arm 18 at the moment drives the side support columns 12 to rotate through a second pin shaft 17, the side support columns 12 are rotatably inserted into the rectangular opening 4 of the bottom plate 5, and three groups of arc-shaped clamps 6 on the two side support columns 12 are clamped and fixed on the iron core group 22, so that the stability of the iron core group 22 is ensured, finally an operator rotates the threaded screw rod 10 through the first pin shaft 11 and is clamped in the clamping notch 9 on the other side support column 12, the rotary butterfly nut 8 is tightly attached to the side support columns 12, so that the stability of the two side support columns 12 is ensured, the operation is very convenient and fast, and the iron core group 22 in the prior art is prevented from being assembled by matching steel plates and bolts in one step in the installation process, not only wastes time and labor, but also causes manual waste.
In a specific embodiment, a plurality of locating holes 3 which are distributed at equal intervals are vertically formed in the front side and the rear side of a base plate 1, so that an operator can conveniently fix the base plate 1 in a shell of a transformer through the locating holes 3, and the middle position of the bottom of a bottom plate 5 is mutually perpendicular and fixedly connected with the upper end of an inverted T-shaped pressure rod 14; it has spring 16 to be located the activity of spring sleeve 15 inner chambers and peg graft, spring 16 can guarantee the later stage when carrying out dismouting iron core group 22, when operating personnel hoists iron core group 22, bottom plate 5 can reset under spring 16's effect, and guarantee that two collateral branch posts 12 also can reset to the tilt state, the secondary installation of being convenient for, the spring 16 of setting can also avoid under the condition that does not have the spring, can lead to the collateral branch post to swing fast when putting down iron core group, there is the potential safety hazard problem of hindering the people.
Further, be located the equal fixedly connected with catch bar 21 in two portions about 5 bottoms of bottom plate, catch bar 21 activity is pegged graft in removing opening 20, screw lead screw 10 other end activity joint is in the joint notch 9 on 12 upper portions of another collateral branch post, and the outer tip screw thread of screw lead screw 10 is twisted and is cup jointed butterfly nut 8, operating personnel is with screw lead screw 10 through first round pin axle 11 rotation and joint in the joint notch 9 on another collateral branch post 12, thereby rotatory butterfly nut 8 and collateral branch post 12 closely laminate and guarantee the stability of two collateral branch posts 12.
Further, two arc clamps 6 that the level aligns dock each other, it has rubber pad 7 to be located the fixed bonding of 6 inner walls of arc clamps, can play buffering and insulating effect, the security is improved, it upwards offers the circular slot mouth 2 that three equidistance distributes to be located 5 upper portions of bottom plate, the activity is pegged graft in circular slot mouth 2 under the iron core group 22, the middle part all passes through connecting rod 23 fixed connection between two adjacent iron core groups 22, circular slot mouth 2 can guarantee that operating personnel is preliminary aligns iron core group 22 on bottom plate 5, avoid the later stage to cause the problem that arc clamps 6 docks not go up iron core group 22.
It should be noted that, the invention is a transformer core group for fast combination and fixation of a transformer substation, each component is a universal standard component or a component known by those skilled in the art, and the structure and principle of the transformer core group can be known by those skilled in the art through technical manuals or through routine experimental methods.
The working principle is as follows: in an initial state, the two side pillars 12 are obliquely distributed on the base plate 1, when the iron core group 22 is installed, an operator can directly insert the iron core group 22 into the circular notch 2 on the bottom plate 5, at the moment, because the bottom plate 5 is pressed down under the action of the gravity of the iron core group 22, at the moment, the bottom plate 5 extrudes the spring 16 through the inverted T-shaped pressure rod 14 and the spring sleeve 15, and the bottom plate 5 is guaranteed to move downwards in a buffering manner; two pushing rods 21 at the bottom of the bottom plate 5 are matched with a moving through opening 20 on a swinging support arm 18 to extrude the swinging support arm in the moving process of the bottom plate 5, the swinging support arm 18 at the moment drives the side support columns 12 to rotate through a second pin shaft 17, the side support columns 12 are rotatably inserted into the rectangular opening 4 of the bottom plate 5, and three groups of arc-shaped clamps 6 on the two side support columns 12 are clamped and fixed on the iron core group 22, so that the stability of the iron core group 22 is ensured, finally an operator rotates the threaded screw rod 10 through the first pin shaft 11 and is clamped in the clamping notch 9 on the other side support column 12, the rotary butterfly nut 8 is tightly attached to the side support columns 12, so that the stability of the two side support columns 12 is ensured, the operation is very convenient and fast, and the iron core group 22 in the prior art is prevented from being assembled by matching steel plates and bolts in one step in the installation process, not only wastes time and labor, but also causes manual waste.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a transformer substation is with fixed transformer core group of fast assembly which characterized in that: the anti-theft device comprises a substrate (1) and a bottom plate (5) movably lapped on the substrate (1), wherein a groove (19) is vertically and upwards formed in an inner cavity of the substrate (1), a spring sleeve (15) is vertically and upwards fixedly connected to the middle position of the groove (19) of the substrate (1) and the bottom plate, an inverted T-shaped pressure rod (14) is vertically and upwards movably spliced on the upper portion of the spring sleeve (15), and the middle position of the bottom plate (5) is mutually perpendicular and fixedly connected with the upper end of the inverted T-shaped pressure rod (14); a spring (16) is movably inserted in the inner cavity of the spring sleeve (15);
the middle positions of the left and right parts of the inner cavity of the groove (19) of the base plate (1) are movably hinged with the lower end part of the side pillar (12) through a second pin shaft (17), the right side of the lower part of the side pillar (12) is obliquely and integrally fixedly connected with a swinging support arm (18), and moving through openings (20) are formed in the front side surface and the rear side surface of the swinging support arm (18) along the length direction of the swinging support arm; rectangular openings (4) are horizontally and outwards formed in the middle positions of the left side wall and the right side wall of the bottom plate (5), the side pillars (12) vertically and upwards movably penetrate through the rectangular openings (4), pushing rods (21) are fixedly connected to the left part and the right part of the bottom plate (5), and the pushing rods (21) are movably inserted into the moving through openings (20);
the middle positions of the upper parts of the two side supports (12) are both vertically and upwards provided with clamping notches (9), and the clamping notches (9) of the side supports (12) positioned on the left side are movably hinged with threaded screw rods (10) through first pin shafts (11); two equal level fixedly connected with xarm (13) in two parts about one side in opposite directions of collateral branch post (12), be located two of same horizontal direction the equal fixedly connected with arc clamp (6) that three equidistance distributes in one side in opposite directions of xarm (13), two that the level aligns the joint has iron core group (22) between arc clamp (6).
2. The transformer substation iron core group capable of being rapidly combined and fixed according to claim 1, is characterized in that: the front side and the rear side of the base plate (1) are both vertically provided with a plurality of locating holes (3) distributed at equal intervals.
3. The transformer substation iron core group capable of being rapidly combined and fixed according to claim 1, is characterized in that: the other end of the threaded screw rod (10) is movably clamped in a clamping notch (9) at the upper part of the other side pillar (12), and a butterfly nut (8) is screwed and sleeved at the outer end part of the threaded screw rod (10).
4. The transformer substation iron core group capable of being rapidly combined and fixed according to claim 1, is characterized in that: two of level alignment arc clamp (6) dock each other, are located arc clamp (6) inner wall is fixed to be bonded has rubber pad (7).
5. The transformer substation iron core group capable of being rapidly combined and fixed according to claim 1, is characterized in that: three circular notches (2) which are distributed at equal intervals are vertically and upwards arranged at the upper part of the bottom plate (5), and the lower end part of the iron core group (22) is movably inserted in the circular notches (2).
6. The transformer substation iron core group capable of being rapidly combined and fixed according to claim 1, is characterized in that: the middle parts of the two adjacent iron core groups (22) are fixedly connected through a connecting rod (23).
CN202110824664.XA 2021-07-21 2021-07-21 Transformer substation is with fixed transformer core group of fast assembly Active CN113270261B (en)

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CN209216698U (en) * 2018-08-31 2019-08-06 科润智能控制股份有限公司 A kind of mounting rack of transformer-cabinet

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