CN210246060U - Shock isolation device of transformer substation main transformer foundation - Google Patents
Shock isolation device of transformer substation main transformer foundation Download PDFInfo
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- CN210246060U CN210246060U CN201920953934.5U CN201920953934U CN210246060U CN 210246060 U CN210246060 U CN 210246060U CN 201920953934 U CN201920953934 U CN 201920953934U CN 210246060 U CN210246060 U CN 210246060U
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- main transformer
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- shock insulation
- seismic isolation
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Abstract
The utility model discloses a shock isolation device of a main transformer base of a transformer substation, which comprises an upper main transformer base, a shock isolation base body, a lower main transformer base and a plurality of connecting pieces, and can reduce the horizontal force received by the main transformer when an earthquake occurs by arranging the shock isolation base body, thereby ensuring that the moving amplitude of the main transformer is smaller than the allowable offset of wire connection, and avoiding the occurrence of safety accidents such as power failure; through setting up a plurality of connecting pieces, can become the base and become down locking between the base with going up, and then guarantee that the owner becomes the in-process of moving, the tangential deformation can not take place for the shock insulation base member, and then causes the shock insulation base member to take place to damage, has prolonged the life of shock insulation base member.
Description
Technical Field
The utility model relates to a transformer substation field especially relates to a transformer substation becomes shock isolation device on basis.
Background
At present, a main transformer is a main step-down transformer mainly used for power transmission and transformation in a unit or a transformer substation, and is also a core part of the transformer substation. The transformer is the core equipment of the traction power supply system of the electric locomotive and also is key equipment for ensuring the safe and stable operation of the traction power supply system, and the main transformer generally has larger capacity and requires high reliability of work. Although the main transformer has a low failure rate, significant losses are incurred upon failure. Equipment failure may result if light; if so, fire can be caused, and the normal transportation safety is endangered. According to experience summary and data statistics, the earthquake action is the main horizontal load borne by the main transformer. The seismic isolation technology is applied to the main transformer foundation, so that the horizontal seismic force borne by the main transformer can be effectively reduced, and the safe operation of the main transformer is ensured.
However, at the present stage, the connection between the main transformer and the foundation only depends on the static friction force provided by the self weight of the main transformer, when an earthquake occurs, if the horizontal force borne by the earthquake is greater than the static friction force, the earthquake will move, and if the moving amplitude exceeds the allowable offset of the wire connection, safety accidents such as power failure will occur; although the seismic isolation technology is arranged on the main transformer foundation in the existing stage, the main transformer of the transformer substation needs to be maintained regularly, the foundation surface needs to be rubbed repeatedly when parts are replaced, the handling process can be realized only by utilizing a hydraulic device and sleepers through static friction force by combining the properties of the main transformer such as autoweight and the like, but the tangential deformation of the seismic isolation base body in the handling engineering seriously influences the handling process, so that the seismic isolation base body is damaged, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide one kind and can prevent to become relative basis when taking place the earthquake and remove and exceed the condition appearance that allows the offset, can protect the transformer substation of shock insulation base member when removing the owner and become the shock insulation device of basic becomes.
The purpose of the utility model is realized through the following technical scheme:
a shock isolation device of a main transformer base of a transformer substation comprises: the shock insulation base is arranged on the lower main transformer base, and the upper main transformer base is arranged on one surface of the shock insulation base, which is far away from the lower main transformer base;
the upper main transformer base is provided with a plurality of conducting holes, intervals are respectively arranged between the conducting holes, the lower main transformer base is provided with a plurality of avoiding grooves, intervals are respectively arranged between the avoiding grooves, the conducting holes are respectively communicated with the avoiding grooves in a one-to-one correspondence mode, the connecting pieces respectively penetrate through the conducting holes in a one-to-one correspondence mode, in one connecting piece, the first end of the connecting piece is exposed out of the conducting holes, and the second end of the connecting piece is embedded in the avoiding grooves.
In one embodiment, the vibration-isolating base bodies are provided in plurality, and a space is respectively arranged between each vibration-isolating base body.
In one embodiment, in one of the seismic isolation substrates, the seismic isolation substrate comprises a top plate, a seismic isolation body and a bottom plate, the seismic isolation body is arranged on the bottom plate, the top plate is arranged on one surface of the seismic isolation body, which is far away from the bottom plate, the top plate is arranged on the upper main transformer base, and the bottom plate is arranged on the lower main transformer base.
In one embodiment, the bottom plate is provided with a plurality of mounting holes, the lower main transformer base is further provided with a plurality of fixing holes, and the mounting holes are respectively communicated with the fixing holes in a one-to-one correspondence manner.
In one embodiment, in one of the connecting members, the connecting member includes a fixed cylinder and a pull ring, the fixed cylinder is disposed through the through hole, a first end of the fixed cylinder is exposed outside the through hole, a second end of the fixed cylinder is disposed in the avoiding groove, and the pull ring is disposed on the first end of the fixed cylinder.
In one embodiment, the fixed cylinder has a cylindrical structure.
In one embodiment, the fixed column is concrete.
In one embodiment, the inner diameters of the avoiding grooves are respectively the same as the hole diameters of the through holes.
In one embodiment, the vias are circular vias.
In one embodiment, the avoiding groove is a circular avoiding groove.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to a shock insulation device of transformer substation main transformer foundation, through setting up the shock insulation base member, can reduce the main horizontal force that receives when taking place the earthquake, and then guarantee that the range of motion of main transformer is less than the allowable offset of wire connection, thereby has avoided the emergence of incident such as power failure; through setting up a plurality of connecting pieces, can become the base and become down locking between the base with going up, and then guarantee that the owner becomes the in-process of moving, the tangential deformation can not take place for the shock insulation base member, and then causes the shock insulation base member to take place to damage, has prolonged the life of shock insulation base member.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a seismic isolation device of a transformer substation main transformer base according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a seismic isolation base according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a seismic isolation device 10 for a main transformer base of a transformer substation includes: the shock insulation base comprises an upper main transformer base 100, a shock insulation base body 200, a lower main transformer base 300 and a plurality of connecting pieces 400, wherein the upper main transformer base 100 and the lower main transformer base 200 are respectively used for bearing the weight of a main transformer, the shock insulation base body 200 is used for reducing the horizontal force of the main transformer caused by an earthquake, and the connecting pieces 400 are used for locking the upper main transformer base 100 and the lower main transformer base 300.
Referring to fig. 1, the shock insulation base 200 is disposed on the lower main transformer base 300, the upper main transformer base 100 is disposed on a surface of the shock insulation base 200 away from the lower main transformer base 300, a plurality of via holes are formed in the upper main transformer base 100, a space is respectively disposed between the via holes, a plurality of avoiding grooves are formed in the lower main transformer base 300, a space is respectively disposed between the avoiding grooves, the via holes are respectively communicated with the avoiding grooves in a one-to-one correspondence manner, the connecting members 400 respectively penetrate through the via holes in a one-to-one correspondence manner, a first end of the connecting member 400 is exposed out of the via holes, and a second end of the connecting member 400 is embedded in the avoiding grooves.
Referring to fig. 2, specifically, in a seismic isolation base 200, the seismic isolation base 200 includes a top plate 210, a seismic isolation body 220 and a bottom plate 230, the seismic isolation body 220 is disposed on the bottom plate 230, the top plate 210 is disposed on a side of the seismic isolation body 220 away from the bottom plate 230, the top plate 210 is disposed on the upper main transformer base 100, and the bottom plate 230 is disposed on the lower main transformer base 300.
Referring to fig. 2 again, more specifically, a plurality of mounting holes are formed on the bottom plate 230, and a plurality of fixing holes 310 are further formed on the lower main transformer base 300, and each mounting hole is respectively in one-to-one correspondence with each fixing hole 310.
Referring to fig. 1 again, in a connecting member 400, the connecting member 400 includes a fixing cylinder 410 and a pull ring 420, the fixing cylinder 410 is disposed through the through hole, a first end of the fixing cylinder 410 is exposed outside the through hole, a second end of the fixing cylinder 410 is disposed in the avoiding groove, and the pull ring 420 is disposed on the first end of the fixing cylinder.
It should be noted that the main transformer base is divided into three layers, namely an upper main transformer base 100, a shock insulation base 200 and a lower main transformer base 300, wherein the upper main transformer base 100 can be manufactured in advance in a factory or cast in situ, and after the three layers of main transformer bases are installed, a main transformer is installed on the upper main transformer base through a hydraulic device. Because the connection between the main transformer and the foundation at the present stage only depends on the static friction force provided by the self weight of the main transformer, when an earthquake occurs, if the horizontal force borne by the earthquake is greater than the static friction force, the earthquake will move, and if the moving amplitude exceeds the allowable offset of the connection of the lead, safety accidents such as power failure will occur, and therefore, the earthquake isolating body is arranged to play a role of soft connection with the base of the main transformer, and through the technology, about 80% of energy of the earthquake can be counteracted, so that the moving amplitude of the main transformer is ensured to be less than or equal to the allowable offset of the connection of the lead, and the safety accidents are avoided; further, as the main transformer needs daily maintenance, before the main transformer moves the foundation surface of the main transformer base, the main transformer arranges the fixed cylinder in the avoiding groove to temporarily fix the upper main transformer base, so as to prevent the shock insulation body 220 from generating tangential deformation, and after the main transformer is arranged in place on the foundation surface, the connecting piece 400 is separated from the via hole and the avoiding groove, so that the shock insulation base 200 can normally play a role.
Thus, by arranging the shock insulation base body 200, the horizontal force borne by the main transformer can be reduced when an earthquake occurs, and the moving amplitude of the main transformer is further ensured to be smaller than or equal to the allowable offset of wire connection, so that safety accidents such as power failure and the like are avoided; through setting up a plurality of connecting pieces 400, can become the base 100 and become down locking between the base 300 with going up, and then guarantee that the owner becomes the in-process of moving, the tangential deformation can not take place for shock insulation base member 200, and then causes shock insulation base member 200 to take place to damage, has prolonged shock insulation base member 200's life.
Referring to fig. 1 again, in one embodiment, a plurality of vibration-isolated substrates 200 are provided, and a space is provided between each of the vibration-isolated substrates 200.
By providing a plurality of seismic isolation bases 200, the horizontal force applied to the main transformer during an earthquake can be further reduced.
Referring again to fig. 1, further, in one embodiment, the fixing cylinder 410 has a cylindrical structure.
Referring to fig. 1, in particular, the fixing column 410 is concrete.
It should be noted that the fixing column 410 may be made of concrete, or may be made of other metal materials, such as stainless steel, and the like, which may be determined according to actual situations.
Referring to fig. 1 again, in one embodiment, the inner diameters of the keep-away grooves are the same as the diameters of the through holes.
Referring to fig. 1 again, in a further embodiment, the via hole is a circular via hole.
Referring to fig. 1 again, further, in one embodiment, the avoiding groove is a circular avoiding groove.
Compared with the prior art, the utility model has the advantages of it is following:
according to the shock insulation device 10 for the main transformer foundation of the transformer substation, due to the arrangement of the shock insulation base body 200, the horizontal force borne by the main transformer can be reduced when an earthquake occurs, so that the moving amplitude of the main transformer is smaller than or equal to the allowable offset of wire connection, and therefore safety accidents such as power failure are avoided; through setting up a plurality of connecting pieces 400, can become the base 100 and become down locking between the base 300 with going up, and then guarantee that the owner becomes the in-process of moving, the tangential deformation can not take place for shock insulation base member 200, and then causes shock insulation base member 200 to take place to damage, has prolonged shock insulation base member 200's life.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a transformer substation becomes shock insulation device on basic which characterized in that includes: the shock insulation base is arranged on the lower main transformer base, and the upper main transformer base is arranged on one surface of the shock insulation base, which is far away from the lower main transformer base;
the upper main transformer base is provided with a plurality of conducting holes, intervals are respectively arranged between the conducting holes, the lower main transformer base is provided with a plurality of avoiding grooves, intervals are respectively arranged between the avoiding grooves, the conducting holes are respectively communicated with the avoiding grooves in a one-to-one correspondence mode, the connecting pieces respectively penetrate through the conducting holes in a one-to-one correspondence mode, in one connecting piece, the first end of the connecting piece is exposed out of the conducting holes, and the second end of the connecting piece is embedded in the avoiding grooves.
2. The seismic isolation apparatus of a substation main transformer foundation according to claim 1, wherein a plurality of seismic isolation substrates are provided, and a space is provided between each of the seismic isolation substrates.
3. The transformer substation main transformer base shock insulation device according to claim 2, wherein in one shock insulation base body, the shock insulation base body comprises a top plate, a shock insulation body and a bottom plate, the shock insulation body is arranged on the bottom plate, the top plate is arranged on one surface of the shock insulation body, which is far away from the bottom plate, the top plate is arranged on the upper main transformer base, and the bottom plate is arranged on the lower main transformer base.
4. The seismic isolation device of a transformer substation main transformer foundation according to claim 3, wherein a plurality of mounting holes are formed in the bottom plate, a plurality of fixing holes are further formed in the lower main transformer base, and the mounting holes are respectively communicated with the fixing holes in a one-to-one correspondence manner.
5. The isolation device of claim 1, wherein in one of the connecting members, the connecting member comprises a fixing post and a pull ring, the fixing post penetrates through the through hole, a first end of the fixing post is exposed out of the through hole, a second end of the fixing post is disposed in the avoiding groove, and the pull ring is disposed on the first end of the fixing post.
6. The seismic isolation apparatus of a substation main transformer base according to claim 5, wherein the fixing post has a cylindrical structure.
7. The seismic isolation device of a transformer substation main transformer foundation according to claim 5, wherein the fixed column is concrete.
8. The transformer substation main transformer base shock insulation device according to claim 1, wherein the inner diameters of the avoiding grooves are respectively the same as the hole diameters of the conducting holes.
9. The transformer substation main transformer base seismic isolation device of claim 1, wherein the via hole is a circular via hole.
10. The transformer substation main transformer foundation shock isolation device according to claim 1, wherein the avoiding groove is a circular avoiding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953934.5U CN210246060U (en) | 2019-06-24 | 2019-06-24 | Shock isolation device of transformer substation main transformer foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920953934.5U CN210246060U (en) | 2019-06-24 | 2019-06-24 | Shock isolation device of transformer substation main transformer foundation |
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| Publication Number | Publication Date |
|---|---|
| CN210246060U true CN210246060U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920953934.5U Active CN210246060U (en) | 2019-06-24 | 2019-06-24 | Shock isolation device of transformer substation main transformer foundation |
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| Country | Link |
|---|---|
| CN (1) | CN210246060U (en) |
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- 2019-06-24 CN CN201920953934.5U patent/CN210246060U/en active Active
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