CN212113380U

CN212113380U - Shock-proof device for dry type transformer

Info

Publication number: CN212113380U
Application number: CN202020744381.5U
Authority: CN
Inventors: 陈培
Original assignee: Guangdong Huili Electrical Co ltd
Current assignee: Guangdong Huili Electrical Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-08
Anticipated expiration: 2030-05-08

Abstract

The utility model provides a shock absorber for dry-type transformer, which has good shock absorbing effect, a certain torque can be generated when the local position of the dry-type transformer in the front and back direction is generated or is shocked, the second base can generate rotation with different degrees according to the torque due to the influence of the torque so as to transmit the force generated by the shock, meanwhile, the second base rotates along the rotating shaft, the nuts at the two ends of the second base rotate, the nuts rotate to drive the screw rod to move along a transverse straight line, thereby driving the shock absorber connected with the screw rod to compress or stretch, thereby achieving the purpose of absorbing the vibration of the shell in the front-back direction, and the shock absorbers connected to the two ends of the first base can play a shock absorbing role on the transverse shock of the dry-type transformer, and the shock absorbers connected to the upper end of the third base and the lower end of the second base can directly absorb the shock in the vertical direction.

Description

Shock-proof device for dry type transformer

Technical Field

The utility model belongs to the technical field of the vary voltage, concretely relates to an seismic isolation device for dry-type transformer.

Background

The dry type transformer is a common electric power device, which generally comprises a plurality of side-by-side shells, and an iron core and a coil arranged in the plurality of shells, wherein the upper end and the lower end of the side-by-side shells are fixedly connected through a top bracket and a bottom bracket respectively, the coil is often loosened due to severe environmental vibration generated during the operation of the dry type transformer, and the use safety of the dry type transformer is further affected, various shock absorbing devices or shock absorbing dry type transformers for the dry type transformer exist in the prior art, such as the utility model 'safe shock absorbing dry type transformer' with the application number 'CN 201420575813.9', the specification of the patent document states that 'the upper end of a base 8 is supported with a shock absorbing platform 11 through a spring set 10, a buffer plastic shell 12 is filled between the base 8 and the shock absorbing platform 11, a shock absorbing rubber pad 13 is filled in the buffer plastic shell 12', namely, the spring set is arranged in the vertical direction to play a shock absorbing role on the shock in the vertical direction, and the vibration of the dry-type transformer in the transverse direction or the vibration of the partial position in the front-back direction is not absorbed.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to overcome the above technical problems, the present invention provides a shock absorbing device for a dry-type transformer, which comprises a transverse shock absorbing mechanism, a longitudinal shock absorbing mechanism, a front-back swing shock absorbing mechanism and a plurality of shock absorbers; the transverse shock absorption mechanism comprises a first base, two ends of the first base are connected to two ends of a bottom support of the dry-type transformer body through the shock absorbers, the bottom end of the bottom support is connected with the top end of the first base in a sliding mode, and the bottom support can do transverse linear motion on the top end of the first base; the front-back swing shock absorption mechanism comprises a second base, a left nut and a left screw rod which are positioned at the left end of the first base, and a right nut and a right screw rod which are positioned at the right end of the first base, wherein the left nut and the right end of the left screw rod, and the right nut and the left end of the right screw rod are in threaded connection to form a ball screw rod; the longitudinal shock absorbing mechanism comprises a third base, and the upper end of the third base is connected to the lower end of the second base through the shock absorber.

Furthermore, two ends of the upper surface of the first base are provided with first bosses, and two ends of the shock absorber connected to the bottom bracket are respectively and fixedly connected to the bottom bracket and the first bosses; the both ends of the upper surface of second base are equipped with the second boss, connect in the left side lead screw the both ends of shock absorber respectively fixed connection in the left side lead screw left end with be located the left end of second base the second boss, connect in the right side lead screw the both ends of shock absorber respectively fixed connection in the right-hand member of right side lead screw with be located the right-hand member of second base the second boss.

Further, the left nut and the right nut are embedded in two ends of the first base. Left nut and right nut are fixed in the both ends of first base with embedded mode, and first base can be faster, more intact will pivoted power transmission in the nut to through lead screw transmission and shock absorber, the effect of moving away to avoid possible earthquakes is better.

Furthermore, the two ends of the first base are of arc structures, and the upper end of the second base is provided with a supporting seat rotatably connected with the arc structures.

Furthermore, the lower extreme of circular arc structure is equipped with T type slide rail, the upper end of supporting seat be equipped with T type slide rail normal running fit's T type spout. The structure is simple, and the arc structure can stably rotate along the upper end of the supporting seat.

The utility model discloses the beneficial effect who produces is: this seismic isolation device effect of moving away to avoid possible earthquakes is good, the produced or certain moment of torsion that can produce when receiving vibrations in the local position of dry-type transformer's fore-and-aft direction, the second base can be because of the moment of torsion influence and according to the rotation of the size production not equidimension of moment of torsion, with the power that transmission vibrations produced, and simultaneously, the second base rotates along the axis of rotation, the nut at second base both ends rotates, the nut rotates and drives the lead screw along horizontal linear motion, thereby drive the shock absorber compression or the tensile of connecting in the lead screw, thereby reach the purpose of the vibrations of the fore-and-aft direction of absorption casing, and connect and can play the effect of moving away to avoid possible earthquakes to dry-type transformer's horizontal vibrations in the shock absorber of connecting at the lower extreme of first base, connect in the.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a side sectional view of the arc structure and the supporting seat of the present invention;

FIG. 3 is a partial cross-sectional view of the utility model A-A;

wherein, 1, a transverse shock absorbing mechanism; 11. a first base; 111. a right nut; 112. a first boss; 113. a circular arc structure; 1131. a T-shaped slide rail; 2. a longitudinal shock absorbing mechanism; 21. a third base; 3. a front-back swing shock absorbing mechanism; 31. a left lead screw; 32. a right screw rod; 33. a second base; 331. a second boss; 332. a supporting seat; 3321. a T-shaped chute; 4. a shock absorber; 5. a dry-type transformer body; 51. a bottom bracket; 52. a housing; 53. a top support.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1-2 show a shock absorbing device for a dry-type transformer, which comprises a transverse shock absorbing mechanism 1, a longitudinal shock absorbing mechanism 2, a front-back swing shock absorbing mechanism 3 and a plurality of shock absorbers 4; the transverse shock absorbing mechanism 1 comprises a first base 11, two ends of the first base 11 are connected to two ends of a bottom bracket 51 of the dry type transformer body 5 through a shock absorber 4, the bottom end of the bottom bracket 51 is slidably connected with the top end of the first base 11, and the bottom bracket 51 can do transverse linear motion on the top end of the first base 11; the front-back swing shock absorbing mechanism 3 comprises a second base 33, a left nut and a left screw rod 31 which are positioned at the left end of the first base 11, and a right nut 111 and a right screw rod 32 which are positioned at the right end of the first base 11, wherein the left nut and the right end of the left screw rod 31, and the right nut 111 and the left end of the right screw rod 32 are in threaded connection to form a ball screw rod, the left end of the left screw rod 31 is connected to the right end of the second base 33 through a shock absorber 4, and the right end of the right screw rod 32 is connected to the right end of the second base 33 through the shock absorber; the longitudinal suspension mechanism 2 includes a third base 21, and an upper end of the third base 21 is connected to a lower end of the second base 33 through a suspension 4.

Two ends of the upper surface of the first base 11 are provided with first bosses 112, and two ends of the shock absorber 4 connected to the bottom bracket 51 are respectively and fixedly connected to the bottom bracket 51 and the first bosses 112; the two ends of the upper surface of the second base 33 are provided with second bosses 331, the two ends of the shock absorber 4 connected to the left screw rod 31 are respectively and fixedly connected to the left end of the left screw rod 31 and the second bosses 331 located at the left end of the second base 33, and the two ends of the shock absorber 4 connected to the right screw rod 32 are respectively and fixedly connected to the right end of the right screw rod 32 and the second bosses 331 located at the right end of the second base 33.

The left and right nuts 111 are embedded in both ends of the first base 11. Left nut and right nut 111 are fixed in the both ends of first base 11 with embedded mode, and first base 11 can be faster, more complete will the pivoted power transmission in the nut to through lead screw transmission and shock absorber 4, the effect of moving away to avoid possible earthquakes is better.

The two ends of the first base 11 are arc structures 113, and the upper end of the second base 33 is provided with a support seat 332 rotatably connected with the arc structures 113.

The lower end of the arc structure 113 is provided with a T-shaped slide rail 1131, and the upper end of the support seat 332 is provided with a T-shaped sliding groove 3321 which is rotatably matched with the T-shaped slide rail 1131. The structure is simple, and the arc structure 113 can be stably rotated along the upper end of the support seat 332.

The working mode is as follows: the dry type transformer comprises a plurality of shells 52, and an iron core and a coil which are arranged in the shells 52, wherein the upper ends and the lower ends of the shells 52 which are arranged side by side are fixedly connected through a top bracket 53 and a bottom bracket 51 respectively, the shock absorber 4 is used for inhibiting the shock generated when the springs absorb the shock of the shells 52 and absorb the energy of the shock, and the shock absorber 4 can absorb the shock of the shells 52 because the springs cannot be stabilized immediately, namely, after the springs are compressed and released, the springs can extend and contract for a period of time. (1) When the dry-type transformer generates or is vibrated in the transverse position, the dry-type transformer can be displaced leftwards or rightwards, and the shock absorbers 4 connected to the two ends of the first base 11 can play a shock absorbing role in the transverse vibration of the dry-type transformer; (2) the rotation fit mode of the arc structure 113 and the support seat 332 is equivalent to the hinge fit within the limited angle range only capable of rotating, a certain torque can be generated when the local position of the dry-type transformer in the front-back direction is generated or is vibrated, the arc structure 113 of the second base 33 can generate rotation in different degrees according to the torque due to the influence of the torque so as to transmit vibration, meanwhile, the arc structure 113 rotates along the rotation shaft, the nut embedded in the second base 33 rotates, the nut rotates to drive the lead screw to move along the transverse straight line, so that the shock absorber 4 connected to the lead screw is driven to compress or stretch, and the purpose of absorbing the vibration of the shell 52 in the front-back direction is achieved; (3) when the dry type transformer generates or receives a vertical vibration, the shock absorber 4 connected to the upper end of the third base 21 and the lower end of the second base 33 can directly absorb the vertical vibration.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "left end," "right end," "upper end," "lower end," "front-to-back," and the like are used herein for descriptive purposes only.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A shock absorber for a dry-type transformer is characterized by comprising a transverse shock absorbing mechanism, a longitudinal shock absorbing mechanism, a front-back swinging shock absorbing mechanism and a plurality of shock absorbers; the transverse shock absorption mechanism comprises a first base, two ends of the first base are connected to two ends of a bottom support of the dry-type transformer body through the shock absorbers, the bottom end of the bottom support is connected with the top end of the first base in a sliding mode, and the bottom support can do transverse linear motion on the top end of the first base; the front-back swing shock absorption mechanism comprises a second base, a left nut and a left screw rod which are positioned at the left end of the first base, and a right nut and a right screw rod which are positioned at the right end of the first base, wherein the left nut and the right end of the left screw rod, and the right nut and the left end of the right screw rod are in threaded connection to form a ball screw rod; the longitudinal shock absorbing mechanism comprises a third base, and the upper end of the third base is connected to the lower end of the second base through the shock absorber.

2. The earthquake-proof device for the dry-type transformer as claimed in claim 1, wherein the first pedestal is provided at both ends of the upper surface thereof with first bosses, and both ends of the earthquake-proof device connected to the bottom bracket are fixedly connected to the bottom bracket and the first bosses, respectively; the both ends of the upper surface of second base are equipped with the second boss, connect in the left side lead screw the both ends of shock absorber respectively fixed connection in the left side lead screw left end with be located the left end of second base the second boss, connect in the right side lead screw the both ends of shock absorber respectively fixed connection in the right-hand member of right side lead screw with be located the right-hand member of second base the second boss.

3. A vibration damper for a dry-type transformer as recited in claim 1, wherein said left nut and said right nut are embedded in both ends of said first base.

4. A vibration damper for dry type transformer as claimed in claim 1, wherein said first base has two ends of arc structure, and said second base has a supporting seat rotatably connected to said arc structure at its upper end.

5. A shock absorbing device for a dry-type transformer as claimed in claim 4, wherein the lower end of the arc structure is provided with a T-shaped slide rail, and the upper end of the supporting base is provided with a T-shaped sliding groove rotatably engaged with the T-shaped slide rail.