CN215318449U - Vertical pressure vessel head dismounting device - Google Patents
Vertical pressure vessel head dismounting device Download PDFInfo
- Publication number
- CN215318449U CN215318449U CN202121808368.2U CN202121808368U CN215318449U CN 215318449 U CN215318449 U CN 215318449U CN 202121808368 U CN202121808368 U CN 202121808368U CN 215318449 U CN215318449 U CN 215318449U
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- pressure vessel
- hole
- vertical pressure
- supporting platform
- dismounting device
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Abstract
The utility model discloses a vertical pressure vessel seal head dismounting device, which is characterized in that: the support is provided with a supporting platform, a through hole A is formed in the middle of the supporting platform, an upward convex disc is further arranged in the middle of the supporting platform, a through hole B which is coaxial with the through hole A and has the same diameter is formed in the disc, and the screw rod penetrates through the through hole A and the through hole B and is provided with a nut. By adopting the vertical pressure vessel seal head dismounting device, the overhaul personnel can conveniently and quickly finish seal head dismounting, time and labor are saved, and safety can be ensured.
Description
Technical Field
The utility model relates to the field of machine maintenance, in particular to maintenance of a high-pressure heater of a steam turbine of a power plant.
Background
The seal head of the vertical high-pressure container is generally arranged at the bottom, and in order to meet the requirement of sealing in the container, the seal head sealing device is designed to be sealed from inside to outside, so that when the pressure container is filled with a medium for pressurization, pressure acts on the inner seal, and the seal is tighter. Such internal seals weigh up to fifty-six kilograms and would pose a significant safety problem if there were no reliable support when the seal was removed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dismounting device capable of safely dismounting a vertical pressure vessel end socket.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a vertical pressure vessel head dismounting device which characterized in that: the support is provided with a supporting platform, a through hole A is formed in the middle of the supporting platform, an upward convex disc is further arranged in the middle of the supporting platform, a through hole B which is coaxial with the through hole A and has the same diameter is formed in the disc, and the screw rod penetrates through the through hole A and the through hole B and is provided with a nut. The dismounting device arranged in the mode is connected with the high-pressure container end socket sealing device through one end of the long screw, and the long screw slowly moves downwards by rotating the nut at the other end of the long screw to drive the high-pressure container end socket sealing device to be removed from the inside, so that dismounting work is completed, and the dismounting device is safe and reliable.
Preferably, the top of the disc is further provided with an annular gasket protruding upward.
For further convenience in operation, the nuts are multiple and are located on the screws on the upper portion of the annular gasket.
For further improving the stability, the support is provided with a bottom plate, supporting rods are arranged at four corners of the bottom edge, and the supporting platform is arranged on the supporting rods.
For further convenient material taking and convenient manufacturing, the bottom plate and the supporting platform are steel plates.
In order to further improve the reliability, the supporting rod is a channel steel.
For further convenient manufacture, the disc is welded to the support platform.
Has the advantages that:
according to the vertical pressure vessel seal head dismounting device, one end of the long screw is connected with the high-pressure vessel seal head sealing device, the long screw is slowly moved downwards by rotating the nut at the other end of the long screw, the high-pressure vessel seal head sealing device is driven to move out of the vessel, and dismounting work is completed.
Simple structure, easy material taking, stability, reliability and high bearing capacity. And the device can be operated by one person, thereby saving labor and ensuring safety. The weight of the high-pressure container end enclosure sealing device is completely borne by the support and the screw rod, and the weight can conveniently fall down only by rotating the adjusting nut.
Drawings
FIG. 1 is a sectional view of a vertical pressure vessel head dismounting device in the embodiment.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the claims.
Example 1: as shown in fig. 1, the embodiment provides a dismounting device for a vertical pressure vessel head in a power plant, which comprises a bracket, wherein the bracket is formed by welding steel materials. Including the bottom plate 1 that is located the steel sheet material of bottom, be located the supporting platform 2 of the steel sheet material at top, the bottom plate with supporting platform is squarely four angle departments of bottom plate and supporting platform adopt the welding of channel-section steel 3, will through the channel-section steel supporting platform supports. The material can be conveniently obtained in a power plant, and is low in cost and convenient to manufacture.
Wherein, supporting platform's middle part is provided with through-hole A4, the last middle part of supporting platform still is provided with the convex disc 5 that makes progress, be provided with on the disc with through-hole A coaxial line is with the through-hole B6 of diameter, still includes screw rod 7, the screw rod passes through-hole A and through-hole B just are provided with nut 8 on the screw rod.
In this embodiment, the disc is also made of a steel plate, and the disc is connected with the top surface of the supporting platform in a welding manner. The length of the screw is long, and the nuts are multiple and are screwed on the screw located on the disc. In this embodiment, the number of nuts is three.
As another embodiment in this embodiment, the top of the disc is further provided with an upwardly protruding annular gasket 9. The nut is positioned on the screw rod at the upper part of the annular gasket.
In this embodiment, the vertical pressure vessel may be a high pressure heater of a turbine of a power plant.
The vertical pressure vessel head dismounting device of this embodiment links to each other with high-pressure vessel head sealing device through the one end of long screw, through the nut of the other end of rotating long screw, makes long screw slowly move down, drives high-pressure vessel head sealing device and moves out from the container is inside, accomplishes the dismantlement work. The removed sealing device is provided with a groove corresponding to the disc in the embodiment, so that the removed sealing device is conveniently placed on the supporting platform.
This embodiment simple structure, it is easy to draw materials, reliable and stable, bear the weight of the dynamic height. And the device can be operated by one person, thereby saving labor and ensuring safety. The weight of the high-pressure container end enclosure sealing device is completely borne by the support and the screw rod, and the weight can conveniently fall down only by rotating the adjusting nut.
Claims (7)
1. The utility model provides a vertical pressure vessel head dismounting device which characterized in that: the support is provided with a supporting platform, a through hole A is formed in the middle of the supporting platform, an upward convex disc is further arranged in the middle of the supporting platform, a through hole B which is coaxial with the through hole A and has the same diameter is formed in the disc, and the screw rod penetrates through the through hole A and the through hole B and is provided with a nut.
2. A vertical pressure vessel head dismounting device as claimed in claim 1, wherein: the top of the disc is also provided with an annular gasket protruding upwards.
3. The vertical pressure vessel head dismounting device of claim 2, wherein: the nuts are multiple and are located on the screw rods on the upper portions of the annular gaskets.
4. A vertical pressure vessel head removal device as claimed in claim 1, 2 or 3, wherein: the support is provided with a bottom plate, supporting rods are arranged at four corners of the bottom plate, and the supporting platform is installed on the supporting rods.
5. The vertical pressure vessel head dismounting device of claim 4, wherein: the bottom plate and the supporting platform are steel plates.
6. A vertical pressure vessel head dismounting device as claimed in claim 5, wherein: the support rod is a channel steel.
7. A vertical pressure vessel head dismounting device as claimed in claim 1, wherein: the disc is connected with the supporting platform in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121808368.2U CN215318449U (en) | 2021-08-04 | 2021-08-04 | Vertical pressure vessel head dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121808368.2U CN215318449U (en) | 2021-08-04 | 2021-08-04 | Vertical pressure vessel head dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215318449U true CN215318449U (en) | 2021-12-28 |
Family
ID=79575612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121808368.2U Active CN215318449U (en) | 2021-08-04 | 2021-08-04 | Vertical pressure vessel head dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215318449U (en) |
-
2021
- 2021-08-04 CN CN202121808368.2U patent/CN215318449U/en active Active
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