CN215988305U

CN215988305U - Vibration isolation structure of dry type transformer

Info

Publication number: CN215988305U
Application number: CN202121397761.7U
Authority: CN
Inventors: 杨一帆; 杨育宏
Original assignee: Changzhou Vocational Institute of Light Industry
Current assignee: Changzhou Dejiang Cnc Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-08
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the technical field of auxiliary devices of electric power facilities, in particular to a vibration isolation structure of a dry type transformer, which has a simple structure, and the dry type transformer is arranged on a plate spring vibration isolation mechanism, so that the vibration generated by the transformer is reduced and is transmitted outwards, and the vibration is prevented from damaging surrounding equipment; the transformer comprises a transformer body and a fixed seat, wherein the front side and the rear side of the fixed seat are respectively provided with a plate spring vibration isolation mechanism, the transformer body is fixed on the movable end of the plate spring vibration isolation mechanism through a base, and the left end and the right end of the fixed seat are respectively provided with a movable telescopic mechanism.

Description

Vibration isolation structure of dry type transformer

Technical Field

The utility model relates to the technical field of auxiliary devices of electric power facilities, in particular to a vibration isolation structure of a dry type transformer.

Background

The dry-type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry-type transformer refers to a transformer with an iron core and a winding which are not immersed in insulating oil, and the same dry-type transformer has the advantages of strong short-circuit resistance, small maintenance workload, high operation efficiency, small volume, low noise and the like.

Traditional dry-type transformer is installed in electronic box top or subaerial usually, and the transformer can produce a large amount of vibrations in the course of the work, and vibration transmission can bring certain damage to transformer body or peripheral equipment, and the vibration isolation structure that has now can't be multi-level carries out the vibration isolation to the transformer to can't reduce the damage that the vibration isolation brought.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present invention provides a vibration isolation structure for a dry-type transformer, which has a simple structure, and reduces the transmission of the vibration generated by the transformer to the outside by mounting the dry-type transformer on a plate spring vibration isolation mechanism, thereby preventing the vibration from damaging surrounding equipment.

The utility model discloses a dry-type transformer vibration isolation structure, which comprises a transformer body and a fixed seat, wherein the front side and the rear side of the fixed seat are respectively provided with a plate spring vibration isolation mechanism, the transformer body is fixed on the movable end of the plate spring vibration isolation mechanism through a base, and the left end and the right end of the fixed seat are respectively provided with a movable telescopic mechanism.

Furthermore, the plate spring vibration isolation mechanism comprises a plate spring, a left connecting frame and a right connecting frame which are fixedly connected with the fixed seat, the right connecting frame is hinged with a balancing frame through two pin shafts, one end of the plate spring is hinged with the balancing frame, the other end of the plate spring is hinged with the left connecting frame, the bottom end of the plate spring is fixedly connected with the mounting seat, and the base is fixed on the mounting seat;

the pull rod is further included, one end of the pull rod is hinged to the left connecting frame, and the other end of the pull rod is hinged to the mounting seat.

Further, remove telescopic machanism and include the two sets of diaphragms of being connected with the fixing base, rotate through the bearing on the diaphragm and install the threaded rod, the hand wheel is installed to threaded rod one end, threaded connection lifter plate on the threaded rod, fixed mounting gag lever post on the lifter plate, the gag lever post passes the diaphragm that is located the below, gag lever post bottom fixed mounting connecting plate, connecting plate bottom both ends all set up the gyro wheel.

Further, the movable telescopic mechanism further comprises a nut, and the nut is in threaded connection with the threaded rod.

Furthermore, the plate spring comprises a plurality of elastic steel plates, the width of each elastic steel plate is longitudinally and progressively decreased, a stud is inserted into the middle of each elastic steel plate in a penetrating manner, a nut is connected onto each stud in a threaded manner, and U-shaped connectors are arranged on two sides of each elastic steel plate.

Further, the U-shaped connector comprises a U-shaped main body and a stud inserted into the main body, and a nut is connected to the stud in a threaded manner.

Furthermore, the fixing seat is provided with four supporting legs, and a flange plate is arranged on each supporting leg.

Furthermore, the limiting rods are divided into two groups.

Compared with the prior art, the utility model has the beneficial effects that: during normal use, the fixing base is fixed on the reservation position, and the transformer body passes through the base and installs on the leaf spring vibration isolation mechanism with fixing base fixed connection, and when the transformer body operation produced vibration, the vibration transmission was to leaf spring vibration isolation mechanism on, by leaf spring vibration isolation mechanism with the vibration separation, prevented that the vibration from transmitting to the fixing base on to reduce the influence to equipment on every side.

Drawings

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

FIG. 2 is a right front side top perspective view of the present invention;

in the drawings, the reference numbers: 1. a transformer body; 2. a fixed seat; 3. a base; 4. a plate spring; 5. a left connecting frame; 6. a right connecting frame; 7. a balancing stand; 8. a mounting seat; 9. a pull rod; 10. a transverse plate; 11. a threaded rod; 12. a hand wheel; 13. a lifting plate; 14. a limiting rod; 16. a connecting plate; 17. a roller; 18. a nut; 19. an elastic steel plate; 20. a stud; 21. a U-shaped connector; 22. a flange plate.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 2, the vibration isolation structure of a dry-type transformer according to the present invention includes a transformer body 1 and a fixing base 2, wherein the front and rear sides of the fixing base 2 are respectively provided with a plate spring vibration isolation mechanism, the transformer body 1 is fixed to a movable end of the plate spring vibration isolation mechanism through a base 3, and the left and right ends of the fixing base 2 are respectively provided with a movable telescopic mechanism.

In this embodiment, during normal use, fixing base 2 is fixed on the reservation position, and transformer body 1 passes through base 3 and installs on the leaf spring vibration isolation mechanism with 2 fixed connection of fixing base, and when transformer body 1 operation produced the vibration, the vibration transmission to leaf spring vibration isolation mechanism on, by leaf spring vibration isolation mechanism with the vibration separation, prevent vibration transmission to fixing base 2 on to reduce the influence to surrounding equipment.

As a preferable scheme of the above embodiment, as shown in fig. 1 to 2, the plate spring vibration isolation mechanism includes a plate spring 4, and a left connecting frame 5 and a right connecting frame 6 fixedly connected to the fixing base 2, the right connecting frame 6 is hinged to a balancing frame 7 through two pin shafts, one end of the plate spring 4 is hinged to the balancing frame 7, the other end of the plate spring 4 is hinged to the left connecting frame 5, the bottom end of the plate spring 4 is fixedly connected to a mounting base 8, and the base 3 is fixed to the mounting base 8;

still include pull rod 9, pull rod 9 one end is articulated with left link 5, and the other end of pull rod 9 is articulated with mount pad 8.

In the present embodiment, when the transformer body 1 vibrates, the plate spring 4 moves up or down, and the change in length of the plate spring 4 is coordinated by the extension of the tension rod 9, so that interference does not occur, the left connecting frame 5 and the right connecting frame 6 at the upper end of the plate spring vibration isolation mechanism are fixed in position, and the base 3 and the transformer body 1 at the lower end move up or down to generate an elastic force to the plate spring 4, thereby increasing damping, and damping vibration.

As a preferred scheme of the above embodiment, as shown in fig. 1 to 2, the movable telescopic mechanism includes two sets of transverse plates 10 connected to the fixing base 2, a threaded rod 11 is rotatably installed on the transverse plate 10 through a bearing, a hand wheel 12 is installed at one end of the threaded rod 11, a lifting plate 13 is connected to the threaded rod 11 through a thread, a limiting rod 14 is fixedly installed on the lifting plate 13, the limiting rod 14 penetrates through the transverse plate 10 located below, a connecting plate 16 is fixedly installed at the bottom end of the limiting rod 14, and rollers 17 are respectively arranged at two ends of the bottom of the connecting plate 16.

In this embodiment, the whole device is more convenient to move through the arranged movable telescopic mechanism, before moving, the hand wheel 12 is rotated to rotate the threaded rod 11, so that the lifting plate 13, the limiting rod 14, the connecting plate 16 and the roller 17 on the lifting plate are descended to integrally support the fixed seat 2, and then the movable telescopic mechanism is moved, so that the whole moving capacity of the device is improved.

As a preferable mode of the above embodiment, as shown in fig. 1 to 2, the movable telescopic mechanism further includes a nut 18, and the nut 18 is screwed with the threaded rod 11.

In the present embodiment, after the position adjustment of the roller 17 is completed, the nut 18 is tightened to prevent the threaded rod 11 from rotating in order to prevent the position of the roller 17 from changing.

As a preferable scheme of the above embodiment, as shown in fig. 1 to fig. 2, the plate spring 4 includes a plurality of elastic steel plates 19, the widths of the elastic steel plates 19 are arranged in a longitudinally decreasing manner, a stud 20 is inserted in the middle of the elastic steel plate 19, a nut is screwed on the stud 20, and U-shaped connectors 21 are mounted on both sides of the elastic steel plate 19.

As a preferable configuration of the above embodiment, as shown in fig. 1 to 2, the U-shaped connector 21 includes a U-shaped main body and a stud 20 inserted into the main body, and a nut is screwed onto the stud 20.

As a preferable solution of the above embodiment, as shown in fig. 1 to 2, the fixing base 2 has four legs, and a flange 22 is mounted on each leg.

In this embodiment, the fixing base 2 is fixedly mounted at a predetermined position by using an expansion screw through the flange 22.

As a preferable scheme of the above embodiment, as shown in fig. 1 to 2, the limiting rods 14 are two groups.

In this embodiment, the two sets of the limiting rods 14 improve the moving stability of the roller 17.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A dry-type transformer vibration isolation structure is characterized by comprising a transformer body (1) and a fixed seat (2), wherein the front side and the rear side of the fixed seat (2) are respectively provided with a plate spring vibration isolation mechanism, the transformer body (1) is fixed on the movable end of the plate spring vibration isolation mechanism through a base (3), and the left end and the right end of the fixed seat (2) are respectively provided with a movable telescopic mechanism;

the plate spring vibration isolation mechanism comprises a plate spring (4), a left connecting frame (5) and a right connecting frame (6) which are fixedly connected with the fixing seat (2), the right connecting frame (6) is hinged with a balancing frame (7) through two pin shafts, one end of the plate spring (4) is hinged with the balancing frame (7), the other end of the plate spring (4) is hinged with the left connecting frame (5), the bottom end of the plate spring (4) is fixedly connected with a mounting seat (8), and the base (3) is fixed on the mounting seat (8);

still include pull rod (9), pull rod (9) one end is articulated with left link (5), and pull rod (9) other end is articulated with mount pad (8).

2. The vibration isolation structure of the dry-type transformer according to claim 1, wherein the movable telescoping mechanism comprises two sets of transverse plates (10) connected with the fixed seat (2), a threaded rod (11) is rotatably mounted on the transverse plates (10) through a bearing, a hand wheel (12) is mounted at one end of the threaded rod (11), a lifting plate (13) is connected on the threaded rod (11) in a threaded manner, a limiting rod (14) is fixedly mounted on the lifting plate (13), the limiting rod (14) penetrates through the transverse plate (10) located below, a connecting plate (16) is fixedly mounted at the bottom end of the limiting rod (14), and rollers (17) are arranged at both ends of the bottom of the connecting plate (16).

3. A dry type transformer isolation structure as claimed in claim 2, wherein said movable telescoping mechanism further comprises a nut (18), said nut (18) being threadedly coupled to the threaded rod (11).

4. The vibration isolation structure of a dry type transformer according to claim 1, wherein the plate spring (4) comprises a plurality of elastic steel plates (19), the widths of the elastic steel plates (19) are arranged in a longitudinally decreasing manner, a stud (20) is inserted in the middle of each elastic steel plate (19), a nut is screwed on each stud (20), and U-shaped connectors (21) are arranged on both sides of each elastic steel plate (19).

5. The vibration isolation structure of a dry type transformer according to claim 4, wherein the U-shaped connector (21) comprises a U-shaped main body and a stud (20) inserted into the main body, and a nut is screwed on the stud (20).

6. A dry type transformer isolation structure as claimed in claim 1, wherein said holder (2) has four legs, each of which is provided with a flange (22).

7. The vibration isolating structure of a dry type transformer according to claim 2, wherein said limiting rods (14) are provided in two sets.