CN213838419U - Sealing device for vacuum tank door of capacitor - Google Patents
Sealing device for vacuum tank door of capacitor Download PDFInfo
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- CN213838419U CN213838419U CN202022343831.2U CN202022343831U CN213838419U CN 213838419 U CN213838419 U CN 213838419U CN 202022343831 U CN202022343831 U CN 202022343831U CN 213838419 U CN213838419 U CN 213838419U
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- door
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- chute
- support frame
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Abstract
The utility model discloses a sealing device of condenser vacuum tank door, condenser vacuum tank include jar body and jar door, and the both sides of condenser vacuum tank set up the support frame, and the bottom of support frame is fixed on the base, and jar door bilateral symmetry sets up and includes: the upper roller is arranged at the upper part of the tank door and slides on the inner side of the support frame; the lower roller is arranged at the middle lower part of the tank door and slides on the inner side of the support frame; the upper chute is fixedly connected with the inner side of the support frame, and the height of the connection position of the support frame is greater than that of the tank body; the lower chute is fixedly connected to the inner side of the support frame in parallel with the upper chute, and the distance between the upper chute and the lower chute is equal to the height of the tank door; the actuating end of the actuating part is connected with the tank door, and the actuating end of the actuating part can stretch; when the tank door and the tank body are in a closed state, the driving part is obliquely arranged towards the back side of the tank body. The utility model relates to a chute structure makes the gyro wheel of tank door insert more tightly in the chute more, solves the not tight problem of long-term puzzlement technical staff tank door seal.
Description
Technical Field
The utility model belongs to condenser vacuum tank equipment field especially relates to a sealing device of condenser vacuum tank door.
Background
In the vacuum impregnation process of the capacitor, the capacitor core element arranged in a box shell needs to be heated in a vacuum tank to remove the moisture of the core element, then the insulating oil can be injected for impregnation by further absorbing moisture and air under the high vacuum state of 0.3pa, and the process flows of cooling, vacuumizing and the like are carried out.
The jar door and jar body mouth sealing performance of vacuum tank are poor, take place the heating back often, and the vacuum pump can't arrive the vacuum value, opens jar door again, scribbles vacuum seal fat at jar body mouth, closes jar door again and seals, and the position of jar door gyro wheel still will be adjusted even sometimes, has wasted heating time more, and poisonous gas volatilizees in the jar, influences workshop air circumstance, has the hidden danger to product quality, has reduced production efficiency.
The position of the tank door structure is adjusted for many times, the sealing requirement is still not met, the comprehensive analysis is carried out, the original tank door descends to press 4 rollers of the tank body opening, the tank door slides into 4 1/4 arc grooves, the tank body opening is attached to the tank body opening, the tank body opening is not actually compressed, the upper portion of the tank door is compressed, the lower portion of the tank door is only attached to the tank body opening and is in a suspended state, when a vacuum pump is used for vacuumizing the tank body, the tank door is tightly sucked on the tank body opening, once the sealing ring is aged, or the temperature is low in winter, the elasticity of the sealing ring is insufficient, and finally the fault that the sealing of the tank door is not tight occurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sealing device of condenser vacuum tank door sets up chute about on the support frame, and drive division drive tank door descends, and upper and lower gyro wheel descends along the inboard intercommunication tank door of support frame, and when the tank door will close jar body mouth, it removes in the chute to go up the gyro wheel entering, and lower gyro wheel gets into down the chute and removes, and drive division continues to drive tank door slant and compresses tightly jar body mouth, solves the not tight problem of tank door seal.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a sealing device of condenser vacuum tank door, condenser vacuum tank include jar body and jar door, the both sides of condenser vacuum tank set up the support frame, the bottom of support frame is fixed on the base, jar door bilateral symmetry sets up first bearing structure and second bearing structure, and first bearing structure and second bearing structure all include:
the upper roller is arranged at the upper part of the tank door and slides on the inner side of the support frame;
the lower roller is arranged at the middle lower part of the tank door and slides on the inner side of the support frame;
the upper chute is fixedly connected with the inner side of the support frame, the height of the connecting position of the support frame is greater than that of the tank body, the upper chute is obliquely arranged downwards, and the upper roller slides in the upper chute;
the lower chute is parallel to the upper chute and fixedly connected to the inner side of the support frame, the distance between the upper chute and the lower chute is equal to the height of the tank door, and the lower roller slides in the lower chute;
the actuating end of the actuating part is connected with the tank door, and the actuating end of the actuating part can stretch;
when the tank door and the tank body are in a closed state, the driving part is obliquely arranged towards the back side of the tank body.
Preferably, a groove-shaped track is arranged on the inner side of the support frame, and the upper roller and the lower roller move in the groove-shaped track.
Preferably, the upper chute is fixedly connected with the groove-shaped track, the joint is in arc transition, the angle between the upper chute and the groove-shaped track is 45 degrees, and the upper roller moves in the upper chute.
Preferably, the actuating end of the driving part is connected with the tank door, and the bottom end of the driving part is inclined by 6-8 degrees towards the rear side of the tank body.
Preferably, the driving part is a hydraulic cylinder, and the driving part may be a pneumatic cylinder or an electric telescopic shaft.
Preferably, jar door upper portion sets up vertical axle, the top of vertical axle sets up the upper coupling shaft, go up the gyro wheel with upper coupling shaft clearance fit, the well lower part of jar door sets up down the coupling shaft, down the gyro wheel with lower coupling shaft clearance fit.
Preferably, the vertical shaft with set up the bracing between the jar door, the one end of bracing link firmly in vertical shaft, the other end link firmly in the jar door, the bracing is used for supporting vertical shaft.
Preferably, the top end of the vertical shaft is further provided with a driving part coupling shaft, and the execution end of the driving part is rotatably connected with the driving part coupling shaft; the base is provided with a pin shaft, and the bottom of the driving part is rotatably connected with the pin shaft.
Preferably, the tank door and the tank body are sealed by a sealing ring, the sealing ring is made of fluororubber and is high-temperature-resistant and corrosion-resistant, the tank door is extruded to the tank body opening to be sealed, and the sealing performance is stable and reliable.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model discloses the position that is higher than the jar body in the support frame inboard sets up oblique decurrent last chute, handles with the support frame junction circular arc, makes the gyro wheel slide to last chute department on the support frame, gets into and slides in the last chute, sets up the lower chute parallel with last chute equally on the support frame that the chute equals the height of tank door apart from last chute. The execution end of drive division descends, drives the tank door decline to drive upper and lower gyro wheel along the support frame downstream, the tank door with during jar body mouth contact, in the upper roller got into the chute, lower gyro wheel got into down in the chute, the execution end of drive division continues to descend, upper roller moves along last chute, lower gyro wheel removes along lower chute, the bottom of drive division removes to the direction with jar body angle grow simultaneously, drive tank door slant compresses tightly a jar body mouth, the drive division is closed this moment, because the dead weight of tank door, the gyro wheel compresses tightly in the chute, the tank door continues to compress tightly a jar body mouth. Therefore the utility model discloses improve into the chute structure with original 1/4 circular arc groove structure, it is tighter to make the gyro wheel of tank door insert more in the chute, solves the long-term puzzlement technical staff tank door and seals not tight problem.
Drawings
Fig. 1 is a front view of a sealing device for a door of a capacitor vacuum tank according to an embodiment of the present invention;
fig. 2 is a side view of a sealing device for a door of a capacitor vacuum tank according to an embodiment of the present invention.
Description of reference numerals: 1-a tank door; 2-tank body; 3-tank mouth; 4-a support frame; 5, mounting a roller; 6-lower roller; 7-slotted track; 8-upper chute; 9-lower chute; 10-a hydraulic cylinder; 11-a sealing ring; 12-vertical axis; 13-an upper coupling shaft; 14-lower coupling shaft; 15-diagonal bracing; 16-hydraulic cylinder coupling shaft; 17-base.
Detailed Description
The sealing device for a door of a capacitor vacuum tank according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1, a sealing device for a capacitor vacuum tank door, the capacitor vacuum tank comprises a tank body 2 and a tank door 1, the tank body 2 and the tank door 1 are arranged separately, the contact surface of the tank door 1 and the tank body 2 is a high-precision steel plate and is formed by welding profile steel, a heat insulation material is arranged on the outer side of the tank door 1 to prevent temperature emission, an iron sheet is armored outside the heat insulation material, a sealing ring 11 is adopted between the tank body 2 and the tank door 1 to seal, the sealing ring 11 is arranged on the plane of a tank body opening 3 and is fixed by a pressing plate, the sealing ring 11 is made of fluororubber and is high-temperature resistant and corrosion resistant, the tank door 1 is extruded to the tank body opening 3 to be sealed, and the sealing performance is stable and reliable;
the both sides of condenser vacuum tank set up support frame 4, and the inboard of support frame 4 all sets up cell type track 7, and the bottom of support frame 4 is fixed on base 17, and 1 bilateral symmetry of jar door sets up first bearing structure and second bearing structure, and first bearing structure and second bearing structure all include: the device comprises an upper roller 5, a lower roller 6, an upper chute 8, a lower chute 9 and a hydraulic cylinder 10;
a vertical shaft 12 is arranged at the upper part of the tank door 1, an upper connecting shaft 13 is arranged at the top end of the vertical shaft 12, an upper roller 5 is in clearance fit with the upper connecting shaft 13, and the upper roller 5 slides in a groove-shaped track 7 on the inner side of the support frame 4;
a lower connecting shaft 14 is arranged at the middle lower part of the tank door 1, a lower roller 6 is in clearance fit with the lower connecting shaft 14, and the lower roller 6 slides in a groove-shaped track 7 on the inner side of the support frame 4;
the upper chute 8 is fixedly connected with a groove-shaped rail 7 on the inner side of the support frame 4, the joint is in smooth transition, the height of the connecting position of the support frame 4 is greater than that of the tank body 2, the upper chute 8 is obliquely arranged downwards, the angle between the upper chute 8 and the groove-shaped rail 7 is 45 degrees, and the upper roller 5 slides in the upper chute 8;
the lower chute 9 is parallel to the upper chute 8, is fixedly connected to the groove-shaped track 7 on the inner side of the support frame 4, the joint is in smooth transition, the distance between the upper chute 8 and the lower chute 9 is equal to the height of the tank door 1, and the lower roller 6 slides in the lower chute 9;
the top end of the vertical shaft 12 is also provided with a hydraulic cylinder connecting shaft 16, and the execution end of the hydraulic cylinder 10 is rotationally connected with the hydraulic cylinder connecting shaft 16; a pin shaft is arranged on the base 17, and the bottom of the hydraulic cylinder 10 is rotationally connected with the pin shaft; when the tank door 1 and the tank body 2 are in a closed state, the hydraulic cylinder 10 is obliquely arranged towards the back side of the tank body 2, and the angle between the hydraulic cylinder 10 and the tank body 2 is 7 degrees.
In order to reinforce the vertical shaft 12, a diagonal brace 15 is arranged between the vertical shaft 12 and the tank door 1, one end of the diagonal brace 15 is fixedly connected to the vertical shaft 12, the other end of the diagonal brace 15 is fixedly connected to the tank door 1, and the diagonal brace 15 is used for supporting the vertical shaft 12.
The working principle of the supporting structure of the capacitor vacuum tank door 1 of the embodiment is as follows:
when the tank door 1 needs to be closed, the hydraulic cylinder 10 of the hydraulic station is started to descend, the piston rod of the hydraulic cylinder 10 descends to drive the tank door 1 to descend, so that the tank door 1 is driven to descend, the upper roller 5 descends in a rolling manner in the groove-shaped rail 7, the lower roller 6 descends in a rolling manner in the groove-shaped rail 7, when the tank door 1 is about to close the tank opening, the upper roller 5 enters the upper chute 8, the lower roller 6 enters the lower chute 9, the piston rod continues to descend to drive the upper roller 5 on the tank door 1 to roll in the upper chute 8, the lower roller 6 rolls in the lower chute 9, meanwhile, the bottom of the hydraulic cylinder 10 moves along the pin axial direction at an angle larger than the angle of the rear side of the tank body 2, the hydraulic cylinder 10 inclines towards the rear of the tank body 2, the inclination angle is 7 degrees, so that the tank door 1 obliquely compresses the tank opening, and the sealing ring 11 is extruded by the plane of the tank door 1 to seal the tank opening 3. And (3) closing the hydraulic cylinder 10, even if the hydraulic pressure is discharged from the hydraulic cylinder 10, the roller is pressed in the chute due to the automation of the tank door 1, so that the tank door 1 is continuously pressed on the tank body opening 3, and the combination degree of the tank door 1 and the tank body 2 is higher in the vacuum state of the vacuum tank.
If the tank door 1 is opened, the hydraulic cylinder 10 is started, the piston rod rises, the tank door 1 rises, the upper roller 5 firstly moves obliquely upwards in the upper chute 8, the lower roller 6 moves obliquely upwards in the lower chute 9, meanwhile, the bottom end of the hydraulic cylinder 10 moves along the axial direction of the pin and moves at an angle with the rear side of the tank body 2, namely, moves within an angle of 7 degrees, then the upper roller 5 rolls into the groove-shaped rail 7 from the upper chute 8, the lower roller 6 rolls into the groove-shaped rail 7 from the lower chute 9, the upper roller 6 and the lower roller vertically move upwards in the groove-shaped rail 7, the bottom of the tank door 1 rises to the tank top, the hydraulic cylinder 10 stops rising, the pressure retaining valve is used for storing the hydraulic cylinder 10 in a sealing mode, and the tank door 1 is prevented from falling when the hydraulic cylinder 10 has no hydraulic pressure.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes still fall within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (10)
1. The utility model provides a sealing device of condenser vacuum tank door, condenser vacuum tank include jar body and jar door, its characterized in that, the both sides of condenser vacuum tank set up the support frame, the bottom of support frame is fixed on the base, jar door bilateral symmetry sets up first bearing structure and second bearing structure, and first bearing structure and second bearing structure all include:
the upper roller is arranged at the upper part of the tank door and slides on the inner side of the support frame;
the lower roller is arranged at the middle lower part of the tank door and slides on the inner side of the support frame;
the upper chute is fixedly connected with the inner side of the support frame, the height of the connecting position of the support frame is greater than that of the tank body, and the upper roller slides in the upper chute;
the lower chute is parallel to the upper chute and fixedly connected to the inner side of the support frame, the distance between the upper chute and the lower chute is equal to the height of the tank door, and the lower roller slides in the lower chute;
the actuating end of the actuating part is connected with the tank door, and the actuating end of the actuating part can stretch;
when the tank door and the tank body are in a closed state, the driving part is obliquely arranged towards the back side of the tank body, and the bottom of the driving part is rotatably connected with the base.
2. The sealing device for a door of a capacitor vacuum tank as claimed in claim 1, wherein a groove-shaped rail is provided on an inner side of the supporting frame, and the upper roller and the lower roller move in the groove-shaped rail.
3. The sealing device for a door of a capacitor vacuum tank as claimed in claim 2, wherein the upper chute is fixedly connected with the grooved rail, a junction is in arc transition, the angle between the upper chute and the grooved rail is 45 °, and the upper roller moves in the upper chute.
4. The sealing device for a door of a capacitor vacuum tank as set forth in claim 1, wherein an actuating end of said actuating portion is connected to said tank door, and a bottom end of said actuating portion is inclined by 6-8 ° toward a rear side of said tank body.
5. The capacitor vacuum door seal according to claim 1, wherein said drive portion is a hydraulic cylinder.
6. The sealing device for a door of a capacitor vacuum tank as claimed in claim 1, wherein the upper part of the tank door is provided with a vertical shaft, the top end of the vertical shaft is provided with an upper coupling shaft, the upper roller is in clearance fit with the upper coupling shaft, the middle lower part of the tank door is provided with a lower coupling shaft, and the lower roller is in clearance fit with the lower coupling shaft.
7. The capacitor vacuum canister door seal arrangement as defined in claim 6, wherein a brace is provided between the vertical shaft and the canister door.
8. The sealing device for the door of the capacitor vacuum tank as claimed in claim 6, wherein a driving part coupling shaft is further provided at the top end of the vertical shaft, and an actuating end of the driving part is rotatably connected to the driving part coupling shaft; the base is provided with a pin shaft, and the bottom of the driving part is rotatably connected with the pin shaft.
9. The sealing device for the vacuum tank door of the capacitor as claimed in any one of claims 1 to 8, wherein a sealing ring is adopted for sealing between the tank door and the tank body.
10. The capacitor vacuum door seal according to claim 9 wherein said gasket is a fluoroelastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343831.2U CN213838419U (en) | 2020-10-20 | 2020-10-20 | Sealing device for vacuum tank door of capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022343831.2U CN213838419U (en) | 2020-10-20 | 2020-10-20 | Sealing device for vacuum tank door of capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213838419U true CN213838419U (en) | 2021-07-30 |
Family
ID=77009670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022343831.2U Active CN213838419U (en) | 2020-10-20 | 2020-10-20 | Sealing device for vacuum tank door of capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213838419U (en) |
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2020
- 2020-10-20 CN CN202022343831.2U patent/CN213838419U/en active Active
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