CN112908623B - Oil-immersed transformer with automatic locking mechanism - Google Patents

Oil-immersed transformer with automatic locking mechanism Download PDF

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Publication number
CN112908623B
CN112908623B CN202110090190.0A CN202110090190A CN112908623B CN 112908623 B CN112908623 B CN 112908623B CN 202110090190 A CN202110090190 A CN 202110090190A CN 112908623 B CN112908623 B CN 112908623B
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Prior art keywords
locking
group
transformer
shafts
shaft
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CN112908623A (en
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虞立
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Hubei Edian Deli Electrical Co ltd
Jingmen Power Supply Co of State Grid Hubei Electric Power Co Ltd
Original Assignee
Hubei Edian Deli Electrical Co ltd
Jingmen Power Supply Co of State Grid Hubei Electric Power Co Ltd
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Publication of CN112908623A publication Critical patent/CN112908623A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • F16H37/124Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion

Abstract

The invention discloses an oil-immersed transformer with an automatic locking mechanism, relates to the technical field of transformers, and solves the problems that the conventional oil-immersed transformer is generally fastened and connected by bolts during installation, the positioning precision of the transformer is low in the connection process, good centering property is difficult to ensure, the transformer is easy to cause installation deflection, bolts need to be screwed one by one during the use, the operation is troublesome, and the balance of locking force of each locking point is difficult to ensure; the right side of the bottom of the transformer main body is rotatably connected with a group of operating shafts; the inner side of the bottom of the transformer main body is rotatably connected with two groups of locking shafts. The invention can realize good positioning and locking of the transformer main body, is convenient and quick to install, can realize automatic fine adjustment of the position, ensures good positioning effect and centering property, can realize simultaneous locking of four groups of positions, is more stable in locking and ensures installation stability.

Description

Oil-immersed transformer with automatic locking mechanism
Technical Field
The invention relates to the technical field of transformers, in particular to an oil-immersed transformer with an automatic locking mechanism.
Background
The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and reduces 10(6) kV or 35kV network voltage to 230/400V bus voltage used by users, but because transformer oil has the characteristics of excellent performance and low price, most power transformers still use the transformer oil as an insulating and cooling medium, and the side compression is required to be locked and installed when an oil-immersed transformer is used.
For example, application No.: CN201810470819.2 the invention discloses an oil-immersed transformer, comprising a box body and a base, wherein the box body is internally provided with a transformer body and heat dissipation oil filled outside the transformer body, the base is arranged below the box body, two sides of the lower end of the box body are symmetrically provided with supporting legs, the lower ends of the supporting legs are slidably sleeved with supporting sleeves, the invention has simple and reasonable structure and good anti-seismic performance, the temperature of oil in the box body is detected through a temperature sensor, and then the temperature is divided into three temperature values, when the temperature is a first temperature value, the device can meet the heat dissipation requirement through passive heat dissipation, so that the first-stage heat dissipation and the second-stage heat dissipation do not work, when the temperature is a second temperature value, the first-stage heat dissipation works independently, when the temperature is a third temperature value, the first-stage and the second-stage inform work, so that gradient heat dissipation is realized, and energy conservation is facilitated, when the device dissipates heat, cooling water and water evaporation heat absorption are utilized to dissipate, compared with the traditional air cooling heat dissipation effect, the heat dissipation effect is better, and the practicability is strong.
Based on the above, when the existing oil-immersed transformer is installed, fastening connection is generally performed through bolts, the positioning accuracy of the transformer is low in the connection process, good centering performance is difficult to guarantee, the installation deflection of the transformer is easy to cause, meanwhile, bolts need to be screwed one by one in use, the operation is troublesome, and meanwhile, the balance of locking force of each locking point is difficult to guarantee; therefore, the existing requirements are not met, and an oil-immersed transformer with an automatic locking mechanism is provided for the requirements.
Disclosure of Invention
The invention aims to provide an oil-immersed transformer with an automatic locking mechanism, which aims to solve the problems that the conventional oil-immersed transformer in the background art is generally fastened and connected by bolts during installation, the positioning precision of the transformer is low during connection, good centering performance is difficult to guarantee, the installation of the transformer is easy to deflect, bolts need to be screwed one by one during use, the operation is troublesome, and the balance of locking force of each locking point is difficult to guarantee.
In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer with an automatic locking mechanism comprises a transformer main body; the right side of the bottom of the transformer main body is rotatably connected with a group of operating shafts; the inner side of the bottom of the transformer main body is rotatably connected with two groups of locking shafts; the left side and the right side of the bottom of the transformer main body are respectively connected with two groups of locking sliding blocks in a sliding manner; the transformer main body is locked and installed at the top of the installation support.
Preferably, the outer portion of the operating shaft is coaxially and fixedly connected with a group of operating heads, and the operating heads are in a hexagonal head structure.
Preferably, the operating shaft further comprises a driving worm, the rear portion of the operating shaft is coaxially and fixedly connected with a group of driving worms, the locking shaft further comprises a locking driven worm wheel, the right end face of the front group of locking shaft is coaxially and fixedly connected with a group of locking driven worm wheels, and the driving worm and the locking driven worm wheels are meshed to form a worm and gear transmission mechanism.
Preferably, the locking shaft further comprises a locking synchronous chain wheel, the left end face and the right end face of the locking shaft are coaxially and fixedly connected with a group of locking synchronous chain wheels, and the two groups of locking synchronous chain wheels are connected through a transmission chain to form a chain transmission mechanism.
Preferably, the locking shaft further comprises a locking driving screw rod, a group of locking driving screw rods are coaxially and fixedly connected to the left side and the right side of the locking shaft, the two groups of locking driving screw rods have the same pitch and opposite rotation directions, and the two groups of locking driving screw rods are respectively in threaded transmission connection with a group of locking sliding blocks to form a screw rod nut transmission pair.
Preferably, the transformer main body further comprises a left positioning groove and a right positioning groove, the left positioning groove and the right positioning groove of the U shape are fixedly connected to the left side and the right side of the bottom of the transformer main body, and the left positioning groove and the right positioning groove are clamped outside the mounting bracket.
Preferably, the locking sliding block is still including locking initiative board, latch segment location chamfer, and the bottom of locking sliding block is provided with a set of locking initiative board, all is provided with a set of latch segment location chamfer around the inboard of locking initiative board, and the mounting bracket is still including front and back constant head tank, support location insert the chamfer, and two sets of front and back constant head tanks have been seted up to the bottom of mounting bracket, and a set of support location insert the chamfer has all been seted up in the outside of constant head tank around every group, locking initiative board and front and back constant head tank plug-in connection.
Preferably, the locking sliding block is further provided with a locking active inclined plane, the top of the locking active plate is provided with a group of locking active inclined planes, the mounting bracket is further provided with a bracket locking inclined plane, the top of the front positioning groove and the top of the rear positioning groove are provided with a group of bracket locking inclined planes, and the locking active inclined planes are matched with the bracket locking inclined planes.
Compared with the prior art, the invention has the beneficial effects that:
when the invention is installed, a transformer main body is placed on an installation support, the left and right positions of the transformer main body are positioned through the left and right positioning grooves, an operation shaft is operated through an operation head, the operation shaft drives locking shafts to rotate through a worm and gear transmission mechanism which is formed by meshing a driving worm and a locking driven worm gear together, the front locking shaft drives the rear locking shafts to synchronously rotate through a chain transmission mechanism which is formed by connecting two groups of locking synchronous chain wheels through transmission chain transmission, the locking shafts drive locking sliding blocks to slide left and right through a screw nut transmission pair which is formed by connecting a locking driving screw and locking sliding blocks in a threaded transmission way, the front and back positions of the transformer main body are positioned through the plug-in connection of a locking driving plate and the front and back positioning grooves, and the plug-in connection of the locking driving plate and the front and back positioning grooves is facilitated through the positioning block and the front and back positioning grooves, when the locking driving plate is inserted into the front positioning groove and the rear positioning groove, the mounting bracket is tightly connected with the transformer main body through the matching of the locking driving inclined plane and the bracket locking inclined plane.
The invention can realize good positioning and locking of the transformer main body, is convenient and quick to install, can realize automatic fine adjustment of positions, ensures good positioning effect and centering property, can realize simultaneous locking of four groups of positions, is more stable to lock, prevents deflection caused by uneven stress in the installation process and ensures installation stability.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic bottom isometric view of the present invention;
FIG. 3 is a schematic side view of the bottom mounting shaft of the present invention;
FIG. 4 is a schematic side view of the locking slider of the present invention;
FIG. 5 is a schematic side view of the locking shaft of the present invention;
FIG. 6 is a schematic side view of the locking slide block driving shaft of the present invention;
FIG. 7 is a cross-sectional view of the locking slider assembly of the present invention;
FIG. 8 is a schematic side view of the mounting bracket of the present invention;
in the figure: 1. a transformer body; 101. a left positioning groove and a right positioning groove; 2. mounting a bracket; 201. front and rear positioning grooves; 202. a bracket locking inclined plane; 203. positioning the bracket, inserting the bracket into the chamfer; 3. an operating shaft; 301. a drive worm; 302. an operating head; 4. a locking shaft; 401. locking the driven worm gear; 402. locking a synchronous chain wheel; 403. locking the driving screw rod; 5. locking the sliding block; 501. locking the driving plate; 502. locking the active inclined plane; 503. the locking block positions the chamfer.
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.
Referring to fig. 1 to 8, an embodiment of the present invention includes: an oil-immersed transformer with an automatic locking mechanism comprises a transformer main body 1; the right side of the bottom of the transformer main body 1 is rotatably connected with a group of operating shafts 3; the inner side of the bottom of the transformer body 1 is rotatably connected with two groups of locking shafts 4; the left side and the right side of the bottom of the transformer main body 1 are respectively connected with two groups of locking sliding blocks 5 in a sliding manner; the transformer body 1 is locked and installed on the top of the mounting bracket 2.
Further, a group of operation heads 302 are coaxially and fixedly connected to the outside of the operation shaft 3, the operation heads 302 are in a hexagonal head structure, and in use, the operation shaft 3 is operated through the operation heads 302.
Further, the operating shaft 3 still includes the drive worm 301, the coaxial fixedly connected with a set of drive worm 301 in rear portion of operating shaft 3, locking shaft 4 is still including locking driven worm wheel 401, the coaxial fixedly connected with a set of locking driven worm wheel 401 of the right-hand member face of a set of preceding locking shaft 4, drive worm 301 and the meshing of locking driven worm wheel 401 constitute worm gear drive mechanism jointly, in use, when rotating operating shaft 3, operating shaft 3 constitutes worm gear drive mechanism through being meshed by drive worm 301 and locking driven worm wheel 401 jointly and drives locking shaft 4 rotatory.
Further, locking shaft 4 is still including locking with moving sprocket 402, the equal coaxial fixedly connected with of terminal surface a set of locking with moving sprocket 402 about locking shaft 4, through two sets of locking with moving sprocket 402 between connect through the drive chain transmission and constitute chain drive mechanism jointly, in use, when a set of locking shaft 4 in the front is rotatory, preceding a set of locking shaft 4 drives a set of locking shaft 4 synchronous revolution in the back through connecting the chain drive mechanism who constitutes jointly through the drive chain transmission between two sets of locking with moving sprocket 402.
Further, the locking shaft 4 further comprises a locking driving lead screw 403, a group of locking driving lead screws 403 is coaxially and fixedly connected to the left side and the right side of the locking shaft 4, the two groups of locking driving lead screws 403 are identical in pitch and opposite in turning direction, the two groups of locking driving lead screws 403 are respectively in threaded transmission connection with a group of locking sliding blocks 5 to form a lead screw nut transmission pair together, and when the locking shaft 4 rotates in use, the locking shaft 4 drives the locking sliding blocks 5 to slide left and right through the lead screw nut transmission pair formed by the locking driving lead screws 403 and the locking sliding blocks 5 in threaded transmission connection together.
Further, the transformer body 1 further comprises a left positioning groove and a right positioning groove 101, a set of U-shaped left positioning groove and a set of U-shaped right positioning groove 101 are fixedly connected to the left side and the right side of the bottom of the transformer body 1, the left positioning groove and the right positioning groove 101 are clamped on the outer side of the mounting bracket 2, and in use, the left positioning groove and the right positioning groove 101 are used for positioning the transformer body 1 in the left-right direction.
Further, locking sliding block 5 is still including locking initiative board 501, latch segment location chamfer 503, the bottom of locking sliding block 5 is provided with a set of locking initiative board 501, all be provided with a set of latch segment location chamfer 503 around the inboard of locking initiative board 501, installing support 2 is still including front and back constant head tank 201, support location inserts chamfer 203, two sets of front and back constant head tank 201 have been seted up to installing support 2's bottom, a set of support location inserts chamfer 203 has all been seted up in the outside of constant head tank 201 around every group, locking initiative board 501 and front and back constant head tank 201 plug-in connection, in use, realize fixing a position transformer main part 1's front and back position through locking initiative board 501 and front and back constant head tank 201 plug-in connection, simultaneously through latch segment location chamfer 503 and front and back constant head tank 201 convenient locking initiative board 501 and front and back constant head tank 201 plug-in connection.
Further, the locking sliding block 5 further comprises a locking active inclined plane 502, the top of the locking active plate 501 is provided with a set of locking active inclined planes 502, the mounting bracket 2 further comprises a bracket locking inclined plane 202, the top of the front and rear positioning grooves 201 is provided with a set of bracket locking inclined planes 202, the locking active inclined plane 502 is matched with the bracket locking inclined plane 202 in an inclined plane manner, and when the locking active plate 501 is inserted into the front and rear positioning grooves 201, the mounting bracket 2 is fastened and connected with the transformer body 1 through the matching of the locking active inclined plane 502 and the bracket locking inclined plane 202 in an inclined plane manner.
The working principle is as follows: when the locking device is installed, the transformer body 1 is placed on the mounting support 2, the left and right positions of the transformer body 1 are located through the left and right locating grooves 101, the operating head 302 is used for operating the operating shaft 3, the operating shaft 3 drives the locking shafts 4 to rotate through a worm and gear transmission mechanism formed by meshing a driving worm 301 and a locking driven worm gear 401, the front group of locking shafts 4 drives the rear group of locking shafts 4 to rotate synchronously through a chain transmission mechanism formed by connecting two groups of locking synchronous sprockets 402 through transmission chains, the locking shafts 4 drive the locking sliding blocks 5 to slide left and right through a screw nut transmission pair formed by connecting a locking driving screw 403 and the locking sliding blocks 5 in a threaded transmission mode, the front and rear positions of the transformer body 1 are located through the splicing connection of the locking driving plate 501 and the front and rear locating grooves 201, and the locking block locating chamfers 503 and the front and rear locating grooves 201 are used for conveniently locking the driving plate 501 and the front and rear locating grooves 201 And in the plug-in connection, when the locking active plate 501 is inserted into the front and rear positioning grooves 201, the mounting bracket 2 is tightly connected with the transformer body 1 through the inclined surface matching of the locking active inclined surface 502 and the inclined surface of the bracket locking inclined surface 202.
It will be evident to those skilled in the art that the invention 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 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.

Claims (4)

1. The utility model provides an oil-immersed transformer with automatic locking mechanism which characterized in that: comprises a transformer body (1); the right side of the bottom of the transformer main body (1) is rotatably connected with a group of operating shafts (3); the inner side of the bottom of the transformer main body (1) is rotatably connected with two groups of locking shafts (4); the left side and the right side of the bottom of the transformer main body (1) are respectively connected with two groups of locking sliding blocks (5) in a sliding manner; the transformer main body (1) is locked and installed at the top of the mounting bracket (2);
a group of operating heads (302) are coaxially and fixedly connected to the outer part of the operating shaft (3), and the operating heads (302) are of hexagonal head structures;
the operation shaft (3) further comprises a driving worm (301), the rear part of the operation shaft (3) is coaxially and fixedly connected with a group of driving worms (301), the locking shaft (4) further comprises a locking driven worm wheel (401), the right end face of the front group of locking shafts (4) is coaxially and fixedly connected with a group of locking driven worm wheels (401), and the driving worm (301) and the locking driven worm wheels (401) are meshed to form a worm and gear transmission mechanism together;
the locking shaft (4) further comprises locking synchronous chain wheels (402), the left end face and the right end face of the locking shaft (4) are coaxially and fixedly connected with one group of locking synchronous chain wheels (402), and the two groups of locking synchronous chain wheels (402) are in transmission connection through a transmission chain to form a chain transmission mechanism together;
the locking shaft (4) further comprises locking driving lead screws (403), the left side and the right side of the locking shaft (4) are coaxially and fixedly connected with a group of locking driving lead screws (403), the two groups of locking driving lead screws (403) have the same pitch and opposite rotation directions, and the two groups of locking driving lead screws (403) are respectively in threaded transmission connection with a group of locking sliding blocks (5) to form a lead screw nut transmission pair;
when the operation shaft (3) is rotated, the operation shaft (3) is meshed with a locking driven worm wheel (401) through a driving worm (301) to jointly form a worm and worm transmission mechanism to drive the locking shafts (4) to rotate, when the previous group of locking shafts (4) rotate, the previous group of locking shafts (4) drive the next group of locking shafts (4) to synchronously rotate through a chain transmission mechanism which is jointly formed by two groups of locking synchronous chain wheels (402) through transmission connection of a transmission chain, when the locking shafts (4) rotate, the locking shafts (4) drive the locking sliding blocks (5) to slide left and right through a screw nut transmission pair which is jointly formed by threaded transmission connection of a locking driving screw (403) and the locking sliding blocks (5), namely, the locking of four groups of positions can be simultaneously realized through the action of one rotating operation shaft, the locking is more stable, and the deflection caused by uneven stress in the installation process is prevented, the installation stability is guaranteed.
2. The oil-filled transformer with the automatic locking mechanism according to claim 1, characterized in that: the transformer main body (1) is characterized by further comprising a left positioning groove and a right positioning groove (101), wherein the left positioning groove and the right positioning groove (101) are fixedly connected with the left side and the right side of the bottom of the transformer main body (1) respectively and are in a group of U-shaped, and the left positioning groove and the right positioning groove (101) are clamped on the outer side of the mounting bracket (2).
3. The oil-filled transformer with the automatic locking mechanism according to claim 1, characterized in that: locking sliding block (5) are still including locking driving plate (501), latch segment location chamfer (503), the bottom of locking sliding block (5) is provided with a set of locking driving plate (501), all be provided with a set of latch segment location chamfer (503) around the inboard of locking driving plate (501), installing support (2) are still including front and back constant head tank (201), bracket location inserts chamfer (203), two sets of front and back constant head tank (201) have been seted up to the bottom of installing support (2), a set of bracket location has all been seted up in the outside of constant head tank (201) around every group and has been inserted chamfer (203), locking driving plate (501) and front and back constant head tank (201) plug-in connection.
4. The oil-filled transformer with the automatic locking mechanism according to claim 1, characterized in that: the locking sliding block (5) further comprises a locking active inclined plane (502), the top of the locking active plate (501) is provided with a group of locking active inclined planes (502), the mounting bracket (2) further comprises a bracket locking inclined plane (202), the tops of the front positioning groove and the rear positioning groove (201) are provided with a group of bracket locking inclined planes (202), and the locking active inclined plane (502) is matched with the bracket locking inclined plane (202) in an inclined plane mode.
CN202110090190.0A 2021-01-22 2021-01-22 Oil-immersed transformer with automatic locking mechanism Active CN112908623B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110090190.0A CN112908623B (en) 2021-01-22 2021-01-22 Oil-immersed transformer with automatic locking mechanism

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Application Number Priority Date Filing Date Title
CN202110090190.0A CN112908623B (en) 2021-01-22 2021-01-22 Oil-immersed transformer with automatic locking mechanism

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CN112908623B true CN112908623B (en) 2022-07-05

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Publication number Priority date Publication date Assignee Title
CN106710802A (en) * 2015-11-15 2017-05-24 重庆南瑞博瑞变压器有限公司 Transformer support convenient to install
CN206991922U (en) * 2017-07-24 2018-02-09 曾思铭 A kind of power transformer support
CN110867297A (en) * 2018-08-27 2020-03-06 冯沃根 Transformer with pin protection structure
CN109166700A (en) * 2018-09-12 2019-01-08 长兴盛强电子器材股份有限公司 A kind of fixed bracket of transformer
CN209625981U (en) * 2019-03-22 2019-11-12 国网天津静海供电有限公司 A kind of easy to remove and installation dry-type transformer
CN110718378B (en) * 2019-09-16 2021-06-18 大庆仁满源科技开发有限公司 Compensation transformer of full-automatic compensation power voltage stabilizer
CN211208172U (en) * 2019-12-31 2020-08-07 山东青德电气有限公司 Noise reduction device of oil-immersed transformer
CN111834936B (en) * 2020-07-07 2022-01-18 苏州塞维索斯自动化设备有限公司 A can hide formula removal chassis equipment for switch board
CN212342423U (en) * 2020-07-10 2021-01-12 张辉成 Embedded installing support for building transformer

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