CN217634621U - Foldable voltage-dividing capacitor underframe for field test - Google Patents
Foldable voltage-dividing capacitor underframe for field test Download PDFInfo
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- CN217634621U CN217634621U CN202220585165.XU CN202220585165U CN217634621U CN 217634621 U CN217634621 U CN 217634621U CN 202220585165 U CN202220585165 U CN 202220585165U CN 217634621 U CN217634621 U CN 217634621U
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Abstract
The utility model relates to a foldable partial pressure capacitor chassis that field test used, including central cross and four extension atress legs of four branching ends of difference connection center cross, all be equipped with the supporting legs on central cross and the extension atress leg, four extension atress legs rotate through four pivots and four branches of central cross respectively and are connected, all be equipped with three jack and three jack down on four branches of central cross, all be equipped with three through-hole and three lower through-hole on four extension atress legs, all go up the jack, the jack down, it is the bar form with lower through-hole to go up the through-hole, when extension atress leg rotates to the branching with the central cross connected on a straight line, pass first jack and first through-hole by a bolt piece, and pass second jack and second through-hole by another bolt piece and carry out spacing fixed, when extending the third jack that atress leg rotates to it and align with the third jack on the adjacent branching, pass third jack and third through-hole by a bolt piece and carry out spacing fixed jack. Compared with the prior art, the utility model has the advantages of easy dismounting, convenient transportation, etc.
Description
Technical Field
The utility model relates to an electrical equipment chassis especially relates to a foldable partial pressure capacitor chassis that field test used.
Background
The field withstand voltage test value of GIS (combined electrical apparatus) equipment is very high, especially the field test voltage of extra-high voltage (alternating current 1000kV, direct current +/-800 kV, +/-1100 kV) GIS equipment is usually above 1000kV, multiple sections of capacitors need to be stacked together to be used as field voltage dividing capacitors during the field withstand test, and the height of the stacked voltage dividing capacitors is usually above 6 meters; when the installation ground is deformed by force or the voltage division capacitor is acted by other force (such as strong wind), the risk of toppling exists; because of the safety, the bottom of the capacitor can be additionally provided with a larger cross underframe, and because of the reason of convenient transportation, the cross underframe of the capacitor usually adopts a structure that a central cross frame and four extending stress legs are adopted, so that the stress point span can be increased, the stability of the voltage-dividing capacitor is improved, and the safe implementation of a field test is ensured.
As known in the power industry, the existing capacitor chassis with extension legs generally adopts a bolt connection structure, as shown in fig. 1, since the size of the cross chassis needs to be very large in the field of ultra-high voltage divider capacitors, the capacitor chassis is generally formed by connecting a center cross 1 and extension stress legs 2, specifically, the extension stress legs 2 are connected to four ends of the center cross 1 by bolts, and each end face is generally connected by 4 groups of bolts. The cross underframe with the existing structure is very inconvenient to install and use on site, needs a lot of time for assembling the underframe, is connected and fixed together by one bolt, can be assembled by a plurality of people, and is very time-consuming and labor-consuming; meanwhile, after the cross underframe with the existing structure is used for many times, because the end part of steel is stressed and deformed, and the connecting holes are displaced, 4 groups of bolts of each connecting end surface can only be installed for 2-3 groups frequently, the installation can not be completed completely, and the connecting strength is greatly reduced.
Disclosure of Invention
The utility model aims at providing a foldable partial pressure capacitor chassis that field test used.
The purpose of the utility model can be realized through the following technical scheme:
a folding type partial pressure capacitor underframe for field test comprises a center cross and four extension stress legs respectively connected with the tail ends of four branches of the center cross, wherein the center cross and the extension stress legs are respectively provided with a supporting leg, the four extension stress legs are respectively rotationally connected with the four branches of the center cross through four rotating shafts,
the upper surface of the central cross is provided with a first upper jack, a second upper jack and a third upper jack, the lower surface of the central cross is provided with a first lower jack, a second lower jack and a third lower jack, the upper surface of the extension stress leg is provided with a first upper through hole, a second upper through hole and a third upper through hole, the lower surface of the extension stress leg is provided with a first lower through hole, a second lower through hole and a third lower through hole, all the upper jacks, the lower jacks, the upper through holes and the lower through holes are in strip shapes, the first upper through hole and the second upper through hole are positioned at one end of the extension stress leg close to the rotating shaft, the third upper through hole is positioned at one end of the extension stress leg far away from the rotating shaft,
when the extension stress leg rotates to be in a straight line with the fork of the connected center cross, one bolt piece sequentially penetrates through the first upper jack, the first upper through hole, the first lower through hole and the first lower jack, the other bolt piece sequentially penetrates through the second upper jack, the second upper through hole, the second lower through hole and the second lower jack for limitation, and when the extension stress leg rotates to the third upper through hole on the extension stress leg and the third upper jack on the adjacent fork to be aligned, one bolt piece sequentially penetrates through the third upper jack, the third upper through hole, the third lower through hole and the third lower jack for limitation.
The first upper jack, the second upper jack, the first lower jack and the second lower jack are all parallel to the axial direction of the fork where the first upper jack, the second upper jack, the first lower jack and the second lower jack are located, and the first upper through hole, the second upper through hole, the first lower through hole and the second lower through hole are all parallel to the axial direction of the extending stress leg.
The third upper insertion hole and the third lower insertion hole are parallel to the axial direction of the fork where the third upper insertion hole and the third lower insertion hole are located, and an angle is formed between the third upper through hole and the third lower through hole and the axial direction of the extension stress leg.
The forked tail end of the center cross is provided with a rotating shaft jack used for penetrating the rotating shaft, the extending stress leg is provided with a rotating shaft through hole used for penetrating the rotating shaft, and the rotating shaft jack and the rotating shaft through hole are eccentrically arranged.
The top of each branch of the center cross is provided with a first hanging ring, and the extension stress leg is provided with a second hanging ring and a third hanging ring.
Still be equipped with mounting platform on the center cross, be equipped with the bolt hole that is used for connecting voltage-dividing capacitor on the mounting platform.
And reinforcing ribs are arranged on the upper surface and the lower surface of the four forked end parts of the center cross.
The aperture of the first lower jack of jack, first upper through-hole, first lower through-hole gradually shrinks in proper order on the first, jack, second upper through-hole, second lower through-hole to second lower jack gradually shrinks in proper order on the second, jack, third upper through-hole, third lower through-hole to third lower jack gradually shrinks in proper order on the third.
The supporting legs are supporting legs with the height capable of being adjusted in a rotating mode.
The front of the bolt piece is trapezoidal, and a hand hole which is convenient to take out and insert is formed in the upper portion of the bolt piece.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the center cross is connected and the stress legs are extended in a rotating mode, so that the field installation can be completed more quickly in a rotating mode, the rapid fixed connection is realized, the field installation and the disassembly processes are greatly simplified, the installation time is shortened, the integrated transportation and storage of the underframe are realized simultaneously, the equipment management is facilitated, the connection strength of the underframe of the voltage dividing capacitor is increased, and the stability of the voltage dividing capacitor in the long-term use process is improved.
2. Through the pivot of eccentric settings to and the third through-hole of slope setting, thereby can increase the chassis and extend the length of atress leg under the same condition of accomodating the size, save space.
3. The structure has the advantages that the structure is fixed by two trapezoidal bolt pieces, the bolt pieces are wide at the upper part and narrow at the lower part, and the structure has a self-locking function under the action of gravity, so that the structure can be self-adaptive to the displacement change of a stress point caused by ground deformation.
4. The structure that sets up a plurality of supporting legss on central cross and the extension atress leg has increased the stress point span, has improved voltage divider capacitor's stability.
Drawings
FIG. 1 is a schematic diagram of a reactor chassis in the prior art;
fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention;
FIG. 3 is a schematic view of a center cross portion of an embodiment of the present invention;
FIG. 4 is a schematic view of an extended stressed leg portion according to an embodiment of the present invention;
FIG. 5 is a schematic view of a plug according to an embodiment of the present invention;
fig. 6 is a top view of the chassis according to the embodiment of the present invention in a folded state;
fig. 7 is a schematic view illustrating a folded chassis according to an embodiment of the present invention;
wherein: 1. the device comprises a center cross, 2, an extension stress leg, 3, a pin piece, 4, a rotating shaft, 5, a supporting leg, 101, a first upper jack, 102, a second upper jack, 103, a third upper jack, 104, a first lower jack, 105, a second lower jack, 106, a third lower jack, 107, a rotating shaft jack, 108, a reinforcing rib, 109, a first hanging ring, 110, an installation platform, 111, a bolt hole, 201, a first upper through hole, 202, a second upper through hole, 203, a third upper through hole, 204, a first lower through hole, 205, a second lower through hole, 206, a third lower through hole, 207, a rotating shaft through hole, 208, a second hanging ring, 209, a third hanging ring, 301 and a hand hole; 501. and adjusting the handle.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A folding type voltage division capacitor underframe for field test is shown in figure 2 and comprises a center cross 1 and four extension stress legs 2 respectively connected with the four branch ends of the center cross 1, wherein supporting legs 5 are respectively arranged on the center cross 1 and the extension stress legs 2, the four extension stress legs 2 are respectively connected with the four branch ends of the center cross 1 in a rotating way through four rotating shafts 4,
specifically, as shown in fig. 3, the upper surface of the center cross 1 is provided with a first upper insertion hole 101, a second upper insertion hole 102 and a third upper insertion hole 103, the lower surface is provided with a first lower insertion hole 104, a second lower insertion hole 105 and a third lower insertion hole 106, as shown in fig. 4, the upper surface of the extension stress leg 2 is provided with a first upper through hole 201, a second upper through hole 202 and a third upper through hole 203, the lower surface is provided with a first lower through hole 204, a second lower through hole 205 and a third lower through hole 206, all the upper insertion holes, the lower insertion holes, the upper through holes and the lower through holes are in a strip shape, the first upper through hole 201 and the second upper through hole 202 are located at one end of the extension stress leg 2 near the rotating shaft, the third upper through hole 203 is located at one end of the extension stress leg 2 far away from the rotating shaft, as shown in fig. 2, when the extension force-receiving leg 2 rotates to be in a straight line with the branch of the connected center cross 1, one latch piece 3 sequentially passes through the first upper jack 101, the first upper through hole 201, the first lower through hole 204 and the first lower jack 104, and the other latch piece 3 sequentially passes through the second upper jack 102, the second upper through hole 202, the second lower through hole 205 and the second lower jack 105 for limiting and fixing, as shown in fig. 6 and 7, when the third upper through hole 203 to which the extension force-receiving leg 2 rotates is aligned with the third upper jack 103 on the adjacent branch, one latch piece 3 sequentially passes through the third upper jack 103, the third upper through hole 203, the third lower through hole 206 and the third lower jack 106 for limiting and fixing.
The connecting ends of the four extending stress legs 2 can be inserted into the four forked ends of the center cross; the rotary connection between the central cross and the extended force legs is realized by a common rotary shaft when no latch plate 3 is inserted.
In this embodiment, the first upper insertion hole 101, the second upper insertion hole 102, the first lower insertion hole 104, and the second lower insertion hole 105 are all parallel to the axial direction of the fork, and the first upper through hole 201, the second upper through hole 202, the first lower through hole 204, and the second lower through hole 205 are all parallel to the axial direction of the extending force receiving leg 2. The third upper insertion hole 103 and the third lower insertion hole 106 are parallel to the axial direction of the fork, and the third upper through hole 203 and the third lower through hole 206 form an angle with the axial direction of the extension stress leg 2. Wherein the third upper receptacle 103 is located some distance from the first upper receptacle 101.
The forked end of center cross 1 is equipped with the pivot jack 107 that is used for wearing to establish pivot 4, extends to be equipped with the pivot through-hole 207 that is used for wearing to establish pivot 4 on the atress leg 2, and pivot jack 107 and the equal eccentric settings of pivot through-hole 207, through the pivot of eccentric settings to and the third through-hole that the slope set up, thereby can be under the same circumstances of accomodating the size, increase the chassis and extend the length of atress leg, save space.
The top of each branch of the center cross 1 is provided with a first hanging ring 109, the extending stress leg 2 is provided with a second hanging ring 208 and a third hanging ring 209, wherein the first hanging ring 109 is positioned in the middle of the branch, and the second hanging ring 208 and the third hanging ring 209 are distributed at the two ends of the extending stress leg 2.
The center cross 1 is further provided with a mounting platform 110, and the mounting platform 110 is provided with a proper number of bolt holes 111 for connecting voltage-dividing capacitors.
The center cross 1 is provided with reinforcing ribs 108 on the upper and lower surfaces of the four bifurcated end portions.
The apertures of the first lower jack 104 of the first upper jack 101, the first upper through hole 201 and the first lower through hole 204 are gradually reduced, the apertures of the second upper jack 102, the second upper through hole 202, the second lower through hole 205 to the second lower jack 105 are gradually reduced, and the apertures of the third upper jack 103, the third upper through hole 203, the third lower through hole 206 to the third lower jack 106 are gradually reduced.
Eight supporting legs 5 are respectively arranged in the middle of four branches of the center cross 1 and at the end part of the extending stress leg 2 and are used for stably supporting the voltage division capacitor, and the supporting legs 5 are provided with adjusting handles 501 which are convenient for manually adjusting the height.
As shown in fig. 5, the front surface of the plug pin 3 is a trapezoid with a large top and a small bottom, the upper part of the plug pin 3 is provided with a hand hole 301 for easy taking out and inserting, and the plug pin 3 can tightly connect the extension stressed leg 2 with the center cross 1 under the action of gravity, like a wedge.
When transporting to the field test, the chassis is transportation fold condition, uses at the scene and need to change the chassis from transportation fold condition to experimental extension state when, and concrete installation order is: firstly, hoisting the whole underframe out, and manually adjusting the heights of four adjusting supporting legs 5 on a center cross 1 to horizontally place the center cross 1 as shown in fig. 7; then taking down the four groups of latch pieces 3; then clockwise rotating (overlooking view angle) to extend the stress leg 2 to form a straight line with the end part of the center cross 1; then, four groups of pin pieces 3 are sequentially inserted into the first upper insertion hole 101 and the second upper insertion hole 102 of the center cross 1, the first upper through hole 201 and the second upper through hole 202 of the extension stress leg 2, the first lower through hole 204 and the second lower through hole 205 of the extension stress leg 2, and the first lower insertion hole 104 and the second lower insertion hole 105 of the center cross, so that convenient and fast fixed connection is realized, as shown in fig. 2; finally, the heights of the four supporting legs 5 on the extension stress leg 2 are adjusted, and the installation of the underframe is completed.
When the test is finished and the underframe needs to be changed from the test extension state to the transport folding state, the specific implementation steps are reversed.
Furthermore, in some other embodiments, only two sets of holes are provided at the four ends of the center cross 1, specifically, the second upper hole 102 and the third upper hole 103 on the upper surface, the second lower hole 105 and the third lower hole 106 on the lower surface, and correspondingly, only two sets of through holes are provided on the extension stress leg 2, specifically, the second upper hole 202 and the third upper hole 203 on the upper surface, and the second lower hole 205 and the third lower hole 206 on the lower surface.
Claims (10)
1. A folding type voltage division capacitor underframe for field test comprises a center cross (1) and four extension stress legs (2) respectively connected with the four branch ends of the center cross (1), wherein the center cross (1) and the extension stress legs (2) are respectively provided with a supporting leg (5), and is characterized in that the four extension stress legs (2) are respectively rotationally connected with the four branches of the center cross (1) through four rotating shafts (4),
the upper surface of the central cross (1) is provided with a first upper jack (101), a second upper jack (102) and a third upper jack (103), the lower surface is provided with a first lower jack (104), a second lower jack (105) and a third lower jack (106), the upper surface of the extension stress leg (2) is provided with a first upper through hole (201), a second upper through hole (202) and a third upper through hole (203), the lower surface is provided with a first lower through hole (204), a second lower through hole (205) and a third lower through hole (206), all the upper jacks, the lower jacks, the upper through holes and the lower through holes are in a strip shape, the first upper through hole (201) and the second upper through hole (202) are positioned at one end of the extension stress leg (2) close to the rotating shaft, the third upper through hole (203) is positioned at one end of the extension stress leg (2) far away from the rotating shaft,
when the extension stress leg (2) rotates to be in the same straight line with the branch of the connected center cross (1), one plug pin piece (3) sequentially penetrates through the first upper jack (101), the first upper through hole (201), the first lower through hole (204) and the first lower jack (104), and the other plug pin piece (3) sequentially penetrates through the second upper jack (102), the second upper through hole (202), the second lower through hole (205) and the second lower jack (105) to be limited and fixed, and when the third upper through hole (203) rotated to the extension stress leg (2) is aligned with the third upper jack (103) on the adjacent branch, one plug pin piece (3) sequentially penetrates through the third upper jack (103), the third upper through hole (203), the third lower through hole (206) and the third lower jack (106) to be limited and fixed.
2. The folding type voltage division capacitor chassis for field test according to claim 1, wherein the first upper jack (101), the second upper jack (102), the first lower jack (104) and the second lower jack (105) are all parallel to the axial direction of the fork, and the first upper through hole (201), the second upper through hole (202), the first lower through hole (204) and the second lower through hole (205) are all parallel to the axial direction of the extension stress leg (2).
3. A foldable voltage-dividing capacitor chassis for field tests according to claim 2, characterized in that said third upper socket (103) and third lower socket (106) are both parallel to the axial direction of the fork, said third upper through hole (203) and third lower through hole (206) are at an angle to the axial direction of the extended stress leg (2).
4. The foldable partial pressure capacitor underframe for field test according to claim 1, wherein the branched end of the center cross (1) is provided with a rotating shaft jack (107) for penetrating the rotating shaft (4), the extending stress leg (2) is provided with a rotating shaft through hole (207) for penetrating the rotating shaft (4), and the rotating shaft jack (107) and the rotating shaft through hole (207) are both eccentrically arranged.
5. The folding type voltage division capacitor underframe for field test according to claim 1, characterized in that the top of each branch of the center cross (1) is provided with a first hanging ring (109), and the extension stress leg (2) is provided with a second hanging ring (208) and a third hanging ring (209).
6. The folding type voltage division capacitor underframe for field test according to claim 1, characterized in that a mounting platform (110) is further arranged on the center cross (1), and a bolt hole (111) for connecting the voltage division capacitor is arranged on the mounting platform (110).
7. The folding type partial pressure capacitor chassis for field test according to claim 1, characterized in that the upper and lower surfaces of the four bifurcated ends of the center cross (1) are provided with reinforcing ribs (108).
8. The foldable voltage-dividing capacitor chassis for field test according to claim 1, wherein the first upper jack (101), the first upper through hole (201), and the first lower jack (104) of the first lower through hole (204) are sequentially tapered in aperture, the second upper jack (102), the second upper through hole (202), the second lower through hole (205) to the second lower jack (105) are sequentially tapered in aperture, and the third upper jack (103), the third upper through hole (203), the third lower through hole (206) to the third lower jack (106) are sequentially tapered in aperture.
9. The folding type voltage-dividing capacitor underframe for field test according to claim 1, characterized in that the supporting feet (5) are height-adjustable supporting feet capable of rotating.
10. The folding type voltage division capacitor underframe for field test of claim 9, wherein the front surface of the plug pin sheet (3) is trapezoidal, and the upper part of the plug pin sheet (3) is provided with a hand hole (301) for easy taking out and inserting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220585165.XU CN217634621U (en) | 2022-03-17 | 2022-03-17 | Foldable voltage-dividing capacitor underframe for field test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220585165.XU CN217634621U (en) | 2022-03-17 | 2022-03-17 | Foldable voltage-dividing capacitor underframe for field test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217634621U true CN217634621U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220585165.XU Active CN217634621U (en) | 2022-03-17 | 2022-03-17 | Foldable voltage-dividing capacitor underframe for field test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217634621U (en) |
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2022
- 2022-03-17 CN CN202220585165.XU patent/CN217634621U/en active Active
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