CN210566207U - Simple dismounting device for lower end socket of large-scale oxygen-production pressure spherical tank - Google Patents
Simple dismounting device for lower end socket of large-scale oxygen-production pressure spherical tank Download PDFInfo
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- CN210566207U CN210566207U CN201921674771.3U CN201921674771U CN210566207U CN 210566207 U CN210566207 U CN 210566207U CN 201921674771 U CN201921674771 U CN 201921674771U CN 210566207 U CN210566207 U CN 210566207U
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- end enclosure
- tank body
- guide rod
- flange
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Abstract
The utility model discloses a simple dismounting device for a lower head of a large-scale oxygen production pressure spherical tank, which comprises a tank body and a lower head connected to the lower part of the tank body through a head connecting bolt, wherein a bolt hole of a tank body flange arranged on the tank body is connected with a left-handed thread guide rod when the lower head is dismounted, the left-handed thread guide rod passes through a hole of the lower head flange arranged on the lower head, and a left-handed nut for lifting the lower head is screwed on the left-handed thread guide rod and at the lower part of the lower head flange; when the lower end enclosure is installed, a bolt hole of the tank body flange is connected with a right-handed threaded guide rod, the right-handed threaded guide rod penetrates through a hole of the lower end enclosure flange, and a right-handed nut for lifting the lower end enclosure is screwed on the right-handed threaded guide rod and at the lower part of the lower end enclosure flange; the utility model discloses the left-handed nut and the right-handed nut of left-handed screw guide arm and right-handed screw guide arm adaptation in the operation process make its bolt hole with jar body flange rotate tighter and tighter, can not be because of not hard up emergence accident, the utility model discloses safe and reliable improves productivity, reduces operator's intensity of labour.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to simple and easy dismouting device of large-scale pressure spherical tank low head of system oxygen.
Background
The lower end socket of the large-scale pressure spherical tank for oxygen production (the tank body structure is shown in figure 1) is positioned at the lower end part of the spherical tank body, and due to the space position, the lower end socket is not easy to disassemble and assemble by other hoisting tools, so that the lower end socket can only be lifted by manpower by adopting a method of cooperation of multiple persons after the end socket and the tank body connecting bolt are disassembled, and particularly, the operability of the method of manually lifting and assembling the end socket is more difficult due to the larger weight of the end socket. Therefore, the problem to be solved is to design a simple and easy dismounting method which has strong operability, is simple and feasible, improves the labor productivity and reduces the labor intensity of operators.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a simple and easy dismouting device of large-scale pressure spherical tank low head of system oxygen.
The utility model provides a technical scheme that its technical problem adopted is: a simple dismounting device for a lower end enclosure of a large-scale oxygen production pressure spherical tank comprises a tank body and a lower end enclosure connected to the lower part of the tank body through an end enclosure connecting bolt, wherein a bolt hole of a tank body flange arranged on the tank body is connected with a left-handed thread guide rod when the lower end enclosure is dismounted, the left-handed thread guide rod penetrates through a hole of a lower end enclosure flange arranged on the lower end enclosure, and a left-handed nut for lifting the lower end enclosure is screwed on the left-handed thread guide rod and at the lower part of the;
when the lower end enclosure is installed, a bolt hole of the tank body flange is connected with a right-handed thread guide rod, the right-handed thread guide rod penetrates through a hole of the lower end enclosure flange, and a right-handed nut for lifting the lower end enclosure is screwed on the right-handed thread guide rod and on the lower portion of the lower end enclosure flange.
Specifically, the seal head connecting bolt penetrates through a hole of the lower seal head flange to be connected with the fixed tank body and the lower seal head.
Specifically, the left-handed thread guide rods are two and are arranged in the bolt holes of the tank body flange in parallel.
Specifically, the right-hand thread guide rods are two and are arranged in the bolt holes of the tank body flange in parallel.
The utility model discloses following beneficial effect has:
the utility model discloses a left-handed thread guide arm and right-handed thread guide arm are used for the dismantlement and the installation of low head respectively, and the left-handed nut and the right-handed nut of left-handed thread guide arm and right-handed thread guide arm adaptation in the operation process make its bolt hole with jar body flange turn more tight, can not be because of not hard up emergence accident, the utility model discloses simple structure, maneuverability is strong, safe and reliable, improve productivity, reduce operator's intensity of labour.
Drawings
FIG. 1 is a schematic structural diagram of a lower head of a large-scale pressure spherical tank for oxygen production.
FIG. 2 is a schematic diagram of a right-handed threaded guide rod structure of a simple dismounting device for a lower head of a large-scale pressure spherical tank for oxygen production.
FIG. 3 is a schematic diagram of a left-handed threaded guide rod structure of a simple dismounting device for a lower head of a large-scale pressure spherical tank for oxygen production.
FIG. 4 is a first schematic view of the disassembly of the lower head of the large-scale pressure spherical tank for oxygen production.
Fig. 5 is a second schematic view of the disassembly of the lower head of the large-scale pressure spherical tank for oxygen production.
FIG. 6 is a third schematic view of the disassembly of the lower head of the large-scale pressure spherical tank for oxygen production.
FIG. 7 is a first schematic view of the installation of the lower head of the large-scale pressure spherical tank for oxygen production.
Fig. 8 is a second schematic view of the installation of the lower head of the large-scale pressure spherical tank for oxygen production.
FIG. 9 is the third schematic view of the installation of the lower head of the large-scale pressure spherical tank for oxygen production.
Fig. 10 is a fourth schematic view of the installation of the lower head of the large-scale pressure spherical tank for oxygen production.
In the figure: 1-tank body; 2-lower end enclosure; 3-end enclosure connecting bolts; 4-tank flange; 5-right-handed threaded guide rod; 6-left-handed threaded guide rod; 7-right-handed nut; 8-left-handed nut; and 9-a lower end socket flange.
Detailed Description
The technical solution in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-10, a simple dismounting device for a lower head of a large-scale oxygen production pressure sphere tank comprises a tank body 1 and a lower head 2 connected to the lower part of the tank body 1 through a head connecting bolt 3, wherein a bolt hole of a tank body flange 4 arranged on the tank body 1 is connected with a left-handed thread guide rod 6 when the lower head 2 is dismounted, the left-handed thread guide rod 6 penetrates through a hole of a lower head flange 9 arranged on the lower head 2, and a left-handed nut 8 for lifting the lower head is screwed on the left-handed thread guide rod 6 and at the lower part of the lower head flange 9; when the lower end enclosure 2 is installed, a bolt hole of the tank body flange 4 is connected with a right-handed threaded guide rod 5, the right-handed threaded guide rod 5 penetrates through a hole of the lower end enclosure flange 9, and a right-handed nut 7 for lifting the lower end enclosure is screwed on the right-handed threaded guide rod 5 and at the lower part of the lower end enclosure flange 9.
The seal head connecting bolt 3 passes through a hole of the lower seal head flange 9 to be connected with the fixed tank body 1 and the lower seal head 2; the left-handed thread guide rods 6 are arranged in two and are arranged in the bolt holes of the tank body flange 4 in parallel; the right-handed threaded guide rods 5 are arranged in two and are arranged in the bolt holes of the tank body flange 4 in parallel.
As shown in fig. 2-3, in an embodiment of the simple dismounting device for the lower head of the large-scale oxygen production pressure spherical tank, two screw guide rods are thick right-handed threads, the threads of the four screw guide rods are the same as those of the connecting stud of the head and the tank body, the length of the threads is 700mm, the total length is 750mm, and two nuts which are matched with each other are arranged. One end of the other two threaded guide rods is processed into a coarse right-handed thread with the same end socket thread and tank body connecting stud thread, the thread length is 80mm, the other end of the other two threaded guide rods is processed into a coarse left-handed thread with the same end socket thread diameter and opposite rotation direction, the thread length is 600mm, the total length is 750mm, and two nuts matched with the left-handed thread are arranged. The left-handed thread guide rod is used for disassembling and guiding the seal head, and the right-handed thread guide rod is used for installing and guiding the seal head. The left-handed threaded guide rod and the right-handed threaded guide rod are respectively adopted for safety, and the threaded guide rod and the tank body bolt hole are tighter and tighter in rotation in the operation process, so that loosening and accidents cannot occur.
When the lower end enclosure of the large-scale oxygen-producing pressure spherical tank is disassembled, as shown in the steps of fig. 4-6, the end enclosure connecting bolt 3 for connecting the lower end enclosure 2 and the tank body 1 is disassembled along the opposite angle of the end enclosure, as shown in fig. 4, two left-handed thread guide rods 6 are installed on two positions, the two left-handed thread guide rods 6 are screwed into the left-handed nut 8, when the end surface clearance between the left-handed nut 8 and the lower end enclosure 2 is 1-2 mm, the end enclosure connecting bolt 3 is disassembled, the lower end enclosure 2 moves downwards under the action of gravity and is pressed on the two left-handed threads 8, as shown in fig. 5, the left-handed nut 8 rotates clockwise, as shown in fig. 5, the left-handed nut 8 moves downwards, the lower end enclosure 2 is separated from the tank body 1 under the action of gravity, as shown in fig. 6, the two left-handed thread guide rods 6 are disassembled to be separated from the tank.
When the lower end enclosure of the large-scale oxygen-producing pressure spherical tank is installed, as shown in the steps of fig. 7-10, the lower end enclosure 2 and the two right-handed threaded guide rods 5 are in place as shown in fig. 7, the two right-handed nuts 7 on the opposite corners of the lower end enclosure 2 are rotated clockwise as shown in fig. 8, the two right-handed nuts 7 move upwards, the lower end enclosure 2 moves upwards along with the right-handed nuts 7 to be close to the tank body flange 4, as shown in fig. 9, after the lower end enclosure 2 is attached to the tank body flange 4, the end enclosure connecting bolts 3 are installed, the two right-handed threaded guide rods 5 are detached after installation, the tank body 1 at the positions of the two right-handed threaded guide rods 5 and the two end enclosure connecting bolts 3.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (4)
1. The simple dismounting device for the lower end enclosure of the large-scale oxygen production pressure spherical tank is characterized by comprising a tank body and a lower end enclosure connected to the lower part of the tank body through an end enclosure connecting bolt, wherein a bolt hole of a tank body flange arranged on the tank body is connected with a left-handed thread guide rod when the lower end enclosure is dismounted, the left-handed thread guide rod penetrates through a hole of a lower end enclosure flange arranged on the lower end enclosure, and a left-handed nut for lifting the lower end enclosure is screwed on the left-handed thread guide rod and at the lower part of the lower;
when the lower end enclosure is installed, a bolt hole of the tank body flange is connected with a right-handed thread guide rod, the right-handed thread guide rod penetrates through a hole of the lower end enclosure flange, and a right-handed nut for lifting the lower end enclosure is screwed on the right-handed thread guide rod and on the lower portion of the lower end enclosure flange.
2. The easy dismounting device for the lower head of the large-scale pressure spherical tank for oxygen production according to claim 1, wherein the head connecting bolt penetrates through a hole of the lower head flange to connect and fix the tank body and the lower head.
3. The large-scale pressure spherical tank bottom head simple dismounting device for oxygen production as claimed in claim 1, wherein the left-handed threaded guide rods are provided with two left-handed threaded guide rods, and are parallelly mounted in bolt holes of the tank body flange.
4. The easy dismounting device for the lower head of the large oxygen-generating pressure spherical tank as claimed in claim 1, wherein two right-handed threaded guide rods are arranged and are mounted in parallel in the bolt holes of the tank body flange.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921674771.3U CN210566207U (en) | 2019-10-09 | 2019-10-09 | Simple dismounting device for lower end socket of large-scale oxygen-production pressure spherical tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921674771.3U CN210566207U (en) | 2019-10-09 | 2019-10-09 | Simple dismounting device for lower end socket of large-scale oxygen-production pressure spherical tank |
Publications (1)
Publication Number | Publication Date |
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CN210566207U true CN210566207U (en) | 2020-05-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921674771.3U Expired - Fee Related CN210566207U (en) | 2019-10-09 | 2019-10-09 | Simple dismounting device for lower end socket of large-scale oxygen-production pressure spherical tank |
Country Status (1)
Country | Link |
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CN (1) | CN210566207U (en) |
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2019
- 2019-10-09 CN CN201921674771.3U patent/CN210566207U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20201009 |
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CF01 | Termination of patent right due to non-payment of annual fee |