CN213519476U

CN213519476U - Vibration damper for transformer

Info

Publication number: CN213519476U
Application number: CN202022978988.2U
Authority: CN
Inventors: 俞俊; 徐�明
Original assignee: Jiangsu Sound Cubic Environmental Protection Technology Co ltd
Current assignee: Jiangsu Sound Cubic Environmental Protection Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-06-22
Anticipated expiration: 2030-12-09

Abstract

The application relates to a shock absorber for a transformer, which comprises a base and a supporting platform, wherein the supporting platform is connected in the base in a sliding manner; the top wall of the supporting table is connected with an installation seat in a sliding manner, and the installation seat comprises a clamping assembly and a fixing assembly for fixing the clamping assembly on the transformer; the diapire is equipped with a plurality of bolster in the base, the bolster is connected with a supporting bench diapire. The clamping assembly and the fixing assembly are matched, and the transformers of different specifications can be fixed firmly.

Description

Vibration damper for transformer

Technical Field

The application relates to the field of transformer accessories, in particular to a vibration damper for a transformer.

Background

In the working process of the transformer, the transformer body can vibrate due to the magnetostriction of the iron core and the action of electromagnetic force between windings. The vibration of the transformer is transmitted to the ground through the transformer foot pad, so that the building structure near the transformer generates micro-vibration to form noise.

The chinese utility model patent with the publication number CN207966659U discloses a vibration damping structure of a dry-type transformer, which comprises a fixed seat and a vibration damping device, wherein the vibration damping device comprises an upper padding plate, a spring vibration damper and a lower padding plate, and the spring vibration damper is fixedly connected between the upper padding plate and the lower padding plate; the bottom of the fixing seat is fixedly connected with a bottom plate, and the bottom plate is connected to the lower backing plate through bolts. When the damping device is used, an operator installs the transformer on the fixed seat, and the spring damper plays a damping and buffering role in the vibration of the transformer.

With respect to the related art in the above, the inventors consider that: the specification of transformer is various, when above-mentioned fixing base and the specification of transformer mismatch, is difficult to play the fixed action to the transformer, has great use limitation.

SUMMERY OF THE UTILITY MODEL

In order to adapt the transformer vibration damper to transformers with different specifications, the application provides a vibration damper for the transformer.

The application provides a shock absorber for transformer adopts following technical scheme:

a shock absorber for a transformer comprises a base and a supporting platform, wherein the supporting platform is connected in the base in a sliding mode; the top wall of the supporting table is connected with an installation seat in a sliding manner, and the installation seat comprises a clamping assembly and a fixing assembly for fixing the clamping assembly on the transformer; the diapire is equipped with a plurality of bolster in the base, the bolster is connected with a supporting bench diapire.

By adopting the technical scheme, when the transformer is installed on the shock absorber, an operator firstly slides the clamping assembly to enable the installation seat to be matched with the specification of the transformer, then the transformer is installed in the clamping assembly, and the clamping assembly is fixed on the transformer through the fixing assembly; the clamping assembly is in sliding fit with the supporting table, so that an operator can debug the mounting seat according to the specification of the transformer, and the application range of the shock absorber is enlarged; the buffer piece plays a damping and buffering role in the vibration of the transformer during operation.

Optionally, the clamping assembly includes a pair of clamping plates, the pair of clamping plates are oppositely disposed on the top wall of the support platform, and the length direction of the clamping plates extends along the side length direction of the support platform; the bottom of the side wall of the clamping plate, which is far away from the transformer, is provided with a first sliding block, and the length direction of the first sliding block is the same as the sliding direction of the clamping plate; the supporting table top wall is provided with a first sliding groove, and the first sliding block is connected in the first sliding groove in a sliding mode.

By adopting the technical scheme, the pair of clamping plates has the function of tightly supporting the transformer from two opposite sides of the transformer, and is simple, convenient and convenient to install; first slider and the cooperation of sliding of first spout not only make the transformer that the mount pad can the different specifications of adaptation, still make splint be difficult for slipping from a supporting bench, have increased the stability of sliding of splint.

Optionally, the fixing assembly comprises at least one pair of screw rods and at least two pairs of fixing nuts, the screw rods are connected to a pair of clamping plates in a sliding mode, the clamping plates are arranged at two ends of the screw rods in a penetrating mode, one ends of the screw rods, penetrating through the clamping plates, are in threaded connection with the fixing nuts, and the screw rods are symmetrical about the transformer.

By adopting the technical scheme, when an operator adjusts the distance between the two clamping plates to clamp the two clamping plates on the transformer, the operator penetrates the screw rod through the two clamping plates, then the fixing nuts are screwed, and the two clamping plates are clamped by the two fixing nuts under the thread matching of the screw rod, so that the transformer is fixed; the pair of screw rods is symmetrical about the transformer, and the fixing effect of the clamping plates on the transformer is further increased.

Optionally, a pair of auxiliary positioning assemblies is arranged on the base, and the pair of auxiliary positioning assemblies is symmetrically arranged on the side wall of the base relative to the transformer; the auxiliary positioning assembly comprises a positioning bolt, a positioning nut and a clamping plate, the positioning bolt sequentially penetrates through the base and the positioning nut and is in threaded connection with the positioning nut, one end, penetrating out of the positioning nut, of the positioning bolt is fixedly connected with the clamping plate, and one face, deviating from the positioning bolt, of the clamping plate faces towards the clamping plate.

By adopting the technical scheme, after the distance between the two clamping plates is adjusted, an operator screws the positioning bolt, and the positioning bolt drives the abutting plate to gradually approach the clamping plates and finally abut the clamping plates under the cooperation of the positioning nut; the positioning bolt, the positioning nut and the abutting plate are matched, so that an operator can conveniently install the screw rod and the fixing nut on the clamping plate, and the installation efficiency is improved; in addition, the two abutting circular plates abut against the clamping plates from two opposite sides, and the fixing firmness of the mounting base to the transformer is improved.

Optionally, the buffer member includes a pagoda spring, one end of the pagoda spring is fixedly connected with the inner bottom wall of the base, the other end of the pagoda spring is connected to a corner of the bottom wall of the support table, the pagoda spring and the corner of the bottom wall of the support table are in one-to-one correspondence, and the adjacent pagoda springs are arranged in an inverted manner.

By adopting the technical scheme, the pagoda springs have good buffering capacity, and the vibration generated by the transformer can be efficiently eliminated by inverting the pagoda springs arranged at the four corners of the mounting table, so that the vibration reduction efficiency of the vibration absorber is improved.

Optionally, a yield groove is formed in the corner of the supporting table bottom wall, a mounting plate matched with the yield groove is arranged in the yield groove, and the mounting plate and the pagoda spring are far away from one end of the bottom wall in the base and fixedly connected with each other.

Through adopting above-mentioned technical scheme, the groove of stepping down and the piece snap fit of stepping down for the operator can take out the brace table from the base conveniently, thereby be convenient for in this shock absorber spare part's overhaul and maintenance.

Optionally, each corner of the bottom wall of the base is provided with a moving assembly, the moving assembly comprises a pulley and a connecting block, the pulley is fixedly connected to one end of the connecting block, and the other end of the connecting block is fixedly connected to the bottom wall of the base.

Through adopting above-mentioned technical scheme, in order to play good damping and supporting role to the transformer, the volume and the quality of shock absorber are generally great, and pulley and connecting block cooperation for this shock absorber removes conveniently, and is laborsaving.

Optionally, a support assembly is arranged on the connecting block, the support assembly comprises a lifting frame, an eccentric plate, a resisting bolt and a return spring, the lifting frame is sleeved on the outer wall of the connecting block and is connected with the connecting block in a sliding manner, one end of the lifting frame extends out of the connecting block and extends towards the pulley, the other end of the lifting frame is fixedly connected with one end of the return spring, and the other end of the return spring is fixedly connected with the bottom wall of the base; the abutting bolt eccentrically penetrates through the eccentric plate and is in threaded connection with the connecting block, the circumferential wall of the eccentric plate is abutted to the end wall of the lifting frame far away from one end of the pulley, and the thickness of the lifting frame is larger than that of the eccentric plate.

By adopting the technical scheme, when the vibration absorber moves to the installation place of the transformer, an operator screws the abutting bolt, and the abutting bolt drives the eccentric plate to rotate; because the eccentric plate is eccentrically connected with the abutting bolt, the circumferential wall of the eccentric plate gradually abuts against the end wall of the lifting frame; under the abutting action of the eccentric plate, the lifting frame slides downwards along the length direction of the lifting frame, and finally one end of the lifting frame, which is close to the pulley, exceeds the pulley, and the lifting frame replaces the pulley to play a supporting role; when the transformer needs to move or the shock absorber needs to be replaced, an operator unscrews the abutting bolt, the abutting action of the eccentric plate on the end wall of the lifting frame is reduced, the lifting frame is gradually retracted to the side wall of the connecting block under the action of the gravity of the base and the reset action of the spring, and the pulley plays a supporting role on the base; the abutting bolt, the eccentric wheel and the lifting frame are matched, so that an operator can conveniently move and fix the base, and the application range of the shock absorber is further enlarged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping assembly is matched with the fixing assembly, so that the transformers with different specifications can be fixed, and the transformers can be firmly fixed;

2. the clamping assembly adopts the two clamping plates which are connected with the supporting table in a sliding mode, clamps the transformer from two opposite side faces of the transformer, is suitable for the transformers with different specifications and is convenient to operate;

3. the application has the advantages that the shock absorber is convenient to move due to the moving assembly, and the operator can conveniently fix the shock absorber due to the supporting assembly, so that the shock absorber is convenient and practical.

Drawings

Fig. 1 is a schematic overall structure diagram of a vibration damper for a transformer according to an embodiment of the present application.

FIG. 2 is a schematic diagram of a clamp assembly and a securing assembly embodying the present application.

Fig. 3 is an exploded view of the pagoda spring and support platform connection according to the present application.

FIG. 4 is a schematic structural view of a moving assembly and a support assembly embodying the present application.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Description of reference numerals: 1. a base; 11. a second connection hole; 2. a support table; 21. a first chute; 22. a yielding groove; 23. mounting a plate; 3. a transformer; 4. a mounting seat; 41. a clamping assembly; 411. a splint; 4111. a first connection hole; 412. a first slider; 42. a fixing assembly; 421. a screw rod; 422. fixing a nut; 5. an auxiliary positioning assembly; 51. positioning the bolt; 52. positioning a nut; 53. a propping plate; 6. a pagoda spring; 7. a moving assembly; 71. a pulley; 72. connecting blocks; 721. a second chute; 722. a threaded hole; 8. a support assembly; 81. a lifting frame; 811. a second slider; 82. an eccentric plate; 821. a third connection hole; 83. tightly abutting against the bolt; 84. a return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a vibration damper for a transformer.

Referring to fig. 1, the shock absorber comprises a base 1 and a supporting platform 2, wherein the supporting platform 2 is arranged in the base 1 and is connected with the base 1 in a sliding manner, the top wall of the supporting platform 2 is square, and the bottom wall of the supporting platform 2 is parallel to the inner bottom wall of the base 1, so that the shock absorber can stably support a transformer 3; the roof of brace table 2 slides and is connected with mount pad 4, and mount pad 4 includes centre gripping subassembly 41 and fixed subassembly 42, and during the installation, the operator slides centre gripping subassembly 41 along brace table 2 roof earlier for centre gripping subassembly 41 can be with the specification adaptation of transformer 3, and is fixed with centre gripping subassembly 41 through fixed subassembly 42 afterwards, firmly installs transformer 3 on this shock absorber.

Referring to fig. 1 and 2, the clamping assembly 41 includes two clamping plates 411, the two clamping plates 411 are oppositely disposed on the top wall of the supporting platform 2, and the transformer 3 is located between the two clamping plates 411; the length direction of the clamping plate 411 and the side length direction of the supporting platform 2 extend, so that the shock absorber is suitable for transformers 3 with different specifications; two first sliding blocks 412 are arranged on each clamping plate 411, the two first sliding blocks 412 are fixedly connected to the bottom of one surface, away from the transformer 3, of each clamping plate 411, the two first sliding blocks 412 are symmetrical about the middle of the bottom wall of each clamping plate 411, the length direction of each first sliding block 412 is the same as the sliding direction of each clamping plate 411, and therefore the clamping plates 411 can conveniently clamp the transformer 3 and can support the clamping plates 411; a first sliding groove 21 is formed in the top wall of the supporting table 2, the size and the shape of the first sliding groove 21 are matched with those of the first sliding block 412, and the first sliding block 412 is connected in the first sliding groove 21 in a sliding mode.

Referring to fig. 1 and 2, the fixing assembly 42 includes a pair of lead screws 421 and two pairs of fixing nuts 422, the pair of lead screws 421 being symmetrical with respect to the transformer 3; the clamping plates 411 are provided with first connecting holes 4111, and the lead screw 421 sequentially penetrates through the first connecting holes 4111 of the two clamping plates 411 and is in threaded connection with the fixing nut 422. When fixing the clamp plate 411, the operator screws two fixing nuts 422 on the same lead screw 421, and the clamp plate 411 is close to each other under the action of the two fixing nuts 422, so that the clamp plate 411 is finally abutted against the transformer 3 towards the side wall of the transformer 3.

Referring to fig. 1 and 2, the base 1 is equipped with auxiliary positioning assembly 5 on the lateral wall towards the splint 411, auxiliary positioning assembly 5 includes positioning bolt 51, set nut 52 and support tight board 53, be equipped with second connecting hole 11 on the lateral wall of base 1, set nut 52 welds on the base 1 inner wall, positioning bolt 51 passes second connecting hole 11 and set nut 52 in proper order and with set nut 52 threaded connection, positioning bolt 51 wears out the one end welding of set nut 52 and locates at the center department of supporting tight board 53, support tight board 53 and deviate from one side of set bolt 51 towards splint 411 and parallel with splint 411, be convenient for firmly support tight splint 411.

Referring to fig. 1, four buffer members are arranged between the bottom wall of a base 1 and a support table 2, each buffer member comprises a pagoda spring 6, and the axial direction of each pagoda spring 6 is the same as the height direction of the base 1; one end of each pagoda spring 6 is welded at one corner of the inner bottom wall of the base 1, and the four pagoda springs 6 correspond to the four corners of the inner bottom wall of the base 1 one by one; one end of each pagoda spring 6, which is far away from the base 1, is welded at one corner of the bottom wall of the support platform 2, and two adjacent pagoda springs 6 are arranged in parallel and in a reversed mode, so that the vibration of the transformer 3 is easy to clear up.

Referring to fig. 1 and 3, the pagoda spring 6 can be connected to the bottom wall of the support platform 2 in the following way: every corner of 2 diapire of brace table all is equipped with the groove of stepping down 22, it has mounting panel 23 to step down the card in groove 22, the size and the shape of mounting panel 23 all with the groove of stepping down 22 adaptation, the one end that mounting panel 23 deviates from the groove of stepping down 22 diapire and the one end welding of base 1 is kept away from to pagoda spring 6, mounting panel 23 and the groove of stepping down 22 inlay card cooperation, the operator of being convenient for takes out brace table 2 from base 1 to convenient to overhaul.

Referring to fig. 4 and 5, a moving assembly 7 is arranged at each corner of the outer bottom wall of the base 1, the moving assembly 7 comprises a pulley 71 and a connecting block 72, one end of the connecting block 72 is welded at the corner of the bottom wall of the base 1, the other end of the connecting block 72 is welded with the pulley 71, the length direction of the connecting block 72 is the same as the height direction of the base 1, the height of the bottom wall of the base 1 and the height of the mounting plane are increased, and therefore the mobility of the shock absorber is increased.

Referring to fig. 4 and 5, each connecting block 72 is provided with a supporting assembly 8, each supporting assembly 8 includes a lifting frame 81, an eccentric plate 82, a resisting bolt 83 and a return spring 84, a side wall of the connecting block 72 is provided with a second sliding slot 721, a length direction of the second sliding slot 721 is the same as a sliding direction of the lifting frame 81, a second sliding block 811 is arranged on an inner side wall of the lifting frame 81 facing the second sliding slot 721, and the second sliding block 811 is in sliding fit with the second sliding slot 721; the distance between two opposite side walls of the lifting frame 81 is larger than the width of the pulley 71, so that the pulley 71 is prevented from obstructing the lifting of the lifting frame 81; one end of the lifting frame 81 extends to the pulley 71, the other end of the lifting frame 81 is welded with one end of the return spring 84, and one end of the return spring 84 far away from the lifting frame 81 is welded on the bottom wall of the base 1; the eccentric plate 82 is eccentrically provided with a third connecting hole 821, the connecting block 72 is provided with a threaded hole 722, the abutting bolt 83 penetrates through the third connecting hole 821 and is in threaded connection with the threaded hole 722, the circumferential wall of the eccentric plate 82 abuts against one end, far away from the pulley 71, of the lifting frame 81, the thickness of the end wall of the lifting frame 81 is larger than that of the eccentric plate 82, and the fact that the eccentric plate 82 abuts against the lifting frame 81 all the time in the process that the eccentric plate 82 is close to the connecting block 72 is guaranteed.

The implementation principle of the damper for the transformer 3 of the present embodiment is as follows:

1. moving the damper to the installation site of the transformer 3 using the connection block 72 and the pulley 71;

2. after the installation place is reached, the abutting bolt 83 is screwed down, the abutting bolt 83 drives the eccentric plate 82 to synchronously rotate, and at the moment, the end wall of the eccentric plate 82 abuts against the end wall of the lifting frame 81; the lifting frame 81 slides along the length direction of the second chute 721 under the abutting action of the eccentric plate 82, and finally, one end of the lifting frame 81 far away from the return spring 84 exceeds the pulley 71, and the four lifting frames 81 support the base 1 to play a supporting role;

3. the first sliding block 412 is matched with the first sliding groove 21 in a sliding mode, and the clamping plates 411 are slid along the length direction of the first sliding groove 21, so that the distance between the two clamping plates 411 is enough for installing the transformer 3; after the debugging between the two clamping plates 411 is finished, the transformer 3 is placed between the two clamping plates 411;

4. the positioning bolt 51 is screwed down, so that the abutting plate 53 abuts against the clamping plates 411, then the screw rod 421 sequentially penetrates through the first connecting holes 4111 on the two clamping plates 411, the fixing nut 422 is screwed at one end of the screw rod 421 penetrating out of the first connecting hole 4111 and is screwed down, so that the two clamping plates 411 clamp the transformer 3, and the installation is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A snubber for a transformer, characterized by: the device comprises a base (1) and a supporting platform (2), wherein the supporting platform (2) is connected in the base (1) in a sliding manner; the top wall of the support table (2) is connected with an installation seat (4) in a sliding mode, and the installation seat (4) comprises a clamping component (41) and a fixing component (42) for fixing the clamping component (41) on the transformer (3); the base (1) inner diapire is equipped with a plurality of bolster, the bolster is connected with brace table (2) diapire.

2. The snubber for a transformer according to claim 1, wherein: the clamping assembly (41) comprises a pair of clamping plates (411), the pair of clamping plates (411) are oppositely arranged on the top wall of the supporting platform (2), and the length direction of the clamping plates (411) extends along the side length direction of the supporting platform (2); a first sliding block (412) is arranged at the bottom of the side wall of the clamping plate (411) departing from the transformer (3), and the length direction of the first sliding block (412) is the same as the sliding direction of the clamping plate (411); the top wall of the support table (2) is provided with a first sliding groove (21), and the first sliding block (412) is connected in the first sliding groove (21) in a sliding mode.

3. The snubber for a transformer according to claim 2, wherein: fixed subassembly (42) include at least a pair of lead screw (421) and at least two pairs of fixation nut (422), lead screw (421) slide to be connected on a pair of splint (411) and splint (411) are all worn out at both ends, lead screw (421) are worn out the one end and fixation nut (422) threaded connection of splint (411), and are every right lead screw (421) are all symmetrical about transformer (3).

4. The snubber for a transformer according to claim 2, wherein: a pair of auxiliary positioning components (5) is arranged on the base (1), and the pair of auxiliary positioning components (5) are symmetrically arranged on the side wall of the base (1) relative to the transformer (3); the auxiliary positioning assembly (5) comprises a positioning bolt (51), a positioning nut (52) and a clamping plate (53), wherein the positioning bolt (51) sequentially penetrates through the base (1) and the positioning nut (52) and is in threaded connection with the positioning nut (52), one end, penetrating out of the positioning nut (52), of the positioning bolt (51) is fixedly connected with the clamping plate (53), and one surface, deviating from the positioning bolt (51), of the clamping plate (53) faces towards the clamping plate (411).

5. The snubber for a transformer according to claim 1, wherein: the buffer piece comprises a pagoda spring (6), one end of the pagoda spring (6) is fixedly connected with the inner bottom wall of the base (1), the other end of the pagoda spring (6) is connected to the corner of the bottom wall of the supporting table (2), the pagoda spring (6) corresponds to the corner of the bottom wall of the supporting table (2) one by one, and the adjacent pagoda spring (6) is arranged in a reversed mode.

6. The snubber for a transformer according to claim 5, wherein: the corner of brace table (2) diapire is equipped with groove of stepping down (22), be equipped with in groove of stepping down (22) with mounting panel (23) of groove of stepping down (22) adaptation, the one end fixed connection of diapire in base (1) is kept away from in mounting panel (23) and pagoda spring (6).

7. The snubber for a transformer according to claim 1, wherein: every corner of the diapire of base (1) all is equipped with removal subassembly (7), removal subassembly (7) include pulley (71) and connecting block (72), pulley (71) fixed connection is in connecting block (72) one end, connecting block (72) other end fixed connection is on base (1) diapire.

8. The snubber for a transformer according to claim 7, wherein: the supporting assembly (8) is arranged on the connecting block (72), the supporting assembly (8) comprises a lifting frame (81), an eccentric plate (82), a resisting bolt (83) and a reset spring (84), the lifting frame (81) is sleeved on the outer wall of the connecting block (72) and is connected with the connecting block (72) in a sliding mode, one end of the lifting frame (81) extends out of the connecting block (72) and extends to the pulley (71), the other end of the lifting frame (81) is fixedly connected with one end of the reset spring (84), and the other end of the reset spring (84) is fixedly connected with the bottom wall of the base (1); the abutting bolt (83) is eccentrically arranged on the eccentric plate (82) in a penetrating mode and in threaded connection with the connecting block (72), the circumferential wall of the eccentric plate (82) is abutted to the end wall of one end, far away from the pulley (71), of the lifting frame (81), and the thickness of the lifting frame (81) is larger than that of the eccentric plate (82).