CN220819683U - Tool for hydrostatic test of cylindrical shell with large length-diameter ratio - Google Patents
Tool for hydrostatic test of cylindrical shell with large length-diameter ratio Download PDFInfo
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- CN220819683U CN220819683U CN202322734375.8U CN202322734375U CN220819683U CN 220819683 U CN220819683 U CN 220819683U CN 202322734375 U CN202322734375 U CN 202322734375U CN 220819683 U CN220819683 U CN 220819683U
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- cylindrical shell
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- bracket
- ratio
- semicircular
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 description 6
- 239000008239 natural water Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 208000025962 Crush injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a tool for hydrostatic test of a large-length-diameter-ratio cylindrical shell, which comprises a first bracket and a second bracket which are distributed at intervals and are respectively used for supporting two ends of the large-length-ratio cylindrical shell, wherein an annular hoop is rotatably arranged on the first bracket, a sealing end of the large-length-ratio cylindrical shell is sleeved in the annular hoop, a water injection end of the large-length-ratio cylindrical shell can be lifted through a lifting belt, a semicircular groove is formed in the top of the second bracket, and when the central line of the annular hoop is in a horizontal state, the central line of the annular hoop is coaxial with the central line of the semicircular groove. The utility model can improve the convenience and safety of the hydrostatic test of the large-length-diameter-ratio cylindrical shell, and under the supporting action of the first bracket and the annular hoop, the sealing end of the large-length-ratio cylindrical shell is in a suspended state and cannot be contacted with the ground or a wall body, so that the uniformity of stress of the large-length-ratio cylindrical shell can be ensured, the deformation of the sealing end of the large-length-ratio cylindrical shell can be avoided, and the popularization and the application are facilitated.
Description
Technical Field
The utility model belongs to the technical field of hydrostatic tests of shell parts, and particularly relates to a tool for hydrostatic tests of cylindrical shells with large length-diameter ratios.
Background
The length-diameter ratio is the ratio of the length to the diameter of a cylindrical object, when the ratio is larger than 5, the ratio is the large length-diameter ratio, the problem of water injection and exhaust adding efficiency is remarkable in a hydrostatic test of the cylindrical shell with the large length-diameter ratio, because when the cylindrical shell with the large length-diameter ratio is horizontally placed for natural hydrostatic water injection, the water injection and exhaust adding efficiency is very low, the time for water injection and exhaust adding in the hydrostatic test is long, currently, one end of the cylindrical shell with the large length-diameter ratio can be sealed well, the sealed end is placed on the ground or a wall body, the other end is lifted, the axis of the cylindrical shell with the large length-diameter ratio forms an included angle with the horizontal line, and then natural hydrostatic water injection is carried out in the cylindrical shell with the large length-diameter ratio, so that the water injection and exhaust adding efficiency can be improved; however, in the practical use process, the sealing end of the cylindrical shell with large length-diameter ratio is used as a fulcrum, so that the cylindrical shell with large length-diameter ratio is stressed very much and is unsafe, and the cylindrical shell with large length-diameter ratio can be damaged in severe cases. Therefore, a safe and reliable tool for hydrostatic testing of cylindrical shells with large length-diameter ratios, which is convenient to operate, should be provided.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the tool for the hydrostatic test of the large-length-diameter-ratio cylindrical shell, which has the advantages of simple structure and reasonable design, and the sealing end of the large-length-ratio cylindrical shell is in a suspended state under the supporting action of the first bracket and the annular hoop and cannot be contacted with the ground or a wall body, so that the stress uniformity of the large-length-ratio cylindrical shell can be ensured, the deformation of the sealing end of the large-length-ratio cylindrical shell can be avoided, the convenience and the safety of the hydrostatic test of the large-length-ratio cylindrical shell can be improved by using the tool, and the popularization and the application are facilitated.
In order to solve the technical problems, the utility model adopts the following technical scheme: a frock for big draw ratio cylinder casing hydrostatic test, its characterized in that: including being the interval and laying and being used for supporting respectively first bracket and the second bracket at big draw ratio cylinder casing both ends, rotate on the first bracket and install annular staple bolt, the sealed end suit of big draw ratio cylinder casing is in the annular staple bolt, the water injection end accessible of big draw ratio cylinder casing lifts by crane the area, the top of second bracket is provided with semi-circular recess, works as the central line of annular staple bolt is the horizontality, the central line of annular staple bolt with the central line of semi-circular recess is coaxial.
Foretell frock for big draw ratio cylinder casing hydrostatic test, its characterized in that: the annular hoop comprises two buckled semicircular hoop bodies, one ends of the semicircular hoop bodies are hinged through hinges, the other ends of the semicircular hoop bodies are provided with connecting wing plates, the connecting wing plates are detachably connected with locking nuts through movable joint bolts, mounting shafts are arranged on outer cambered surfaces of the semicircular hoop bodies, axes of the mounting shafts are coincident, and rubber pads are arranged on inner cambered surfaces of the semicircular hoop bodies.
Foretell frock for big draw ratio cylinder casing hydrostatic test, its characterized in that: the first bracket comprises a bottom plate and two vertical columns which are vertically arranged on the bottom plate, the top ends of the vertical columns are provided with supporting plates, the tops of the supporting plates are provided with U-shaped grooves for installing the installation shafts, the openings of the U-shaped grooves are plugged by sealing plates, and the sealing plates are detachably arranged at the tops of the supporting plates by fastening bolts.
Compared with the prior art, the utility model has the following advantages:
1. According to the utility model, the first bracket and the second bracket are arranged, the annular hoop is rotatably arranged on the first bracket, when the annular hoop is actually used, the sealing end of the large-length-diameter-ratio cylindrical shell is sleeved in the annular hoop, when the water injection end of the large-length-ratio cylindrical shell is lifted by the lifting belt, the annular hoop can rotate on the first bracket, the water injection end of the large-length-ratio cylindrical shell can be lifted to a set height, namely, the large-length-ratio cylindrical shell can be in an inclined state, and under the supporting action of the first bracket and the annular hoop, the sealing end of the large-length-ratio cylindrical shell is in a suspended state and cannot be in contact with the ground or a wall body, so that the stressed uniformity of the large-length-ratio cylindrical shell can be ensured, and the deformation of the sealing end of the large-length-ratio cylindrical shell can be avoided.
2. According to the utility model, the semicircular groove is formed in the top of the second bracket, when the cylindrical shell with the large length-diameter ratio is horizontally placed in actual use, the water injection end of the cylindrical shell with the large length-diameter ratio is clamped in the semicircular groove, and at the moment, when the central line of the annular hoop is in a horizontal state, the central line of the annular hoop is coaxial with the central line of the semicircular groove, so that the placement levelness of the cylindrical shell with the large length-diameter ratio can be ensured.
3. The tool can improve the convenience and safety of the hydraulic test of the cylindrical shell with the large length-diameter ratio, and is convenient to popularize and apply.
In summary, the hydraulic test fixture is simple in structure and reasonable in design, the sealing end of the large-length-diameter-ratio cylindrical shell is in a suspended state under the supporting action of the first bracket and the annular hoop, the sealing end of the large-length-ratio cylindrical shell cannot be in contact with the ground or a wall body, the uniformity of stress of the large-length-ratio cylindrical shell can be ensured, the sealing end of the large-length-ratio cylindrical shell can be prevented from being deformed, the hydraulic test convenience and safety of the large-length-ratio cylindrical shell can be improved by using the hydraulic test fixture, and the hydraulic test fixture is convenient to popularize and apply.
The utility model is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic view of the usage state of the present utility model in water injection.
Fig. 2 is a schematic view of the usage state of the present utility model after water injection.
Fig. 3 is a schematic structural view of the annular hoop of the present utility model.
Fig. 4 is a schematic diagram of a connection structure between the annular hoop and the first bracket of the present utility model.
Fig. 5 is a schematic view of the connection structure of the upright post, the support plate and the sealing plate.
Reference numerals illustrate:
1-a large aspect ratio cylindrical shell; 1-sealing end; 1-2, a water injection end;
1-3-water injection plugs; 2-a first bracket; 2-1, a bottom plate;
2-upright posts; 2-3-supporting plates; 2-4-sealing plates;
2-4-1-U-shaped notch; 2-5-fastening bolts; 3-a second bracket;
3-1-a semicircular groove; 4-an annular hoop; 4-1 to a semicircular hoop body;
4-2-hinges; 4-3-connecting wing plates; 4-swing bolts;
4-5-locking nut; 4-6, mounting a shaft; 4-7, mounting a shaft;
5-lifting the sling.
Detailed Description
As shown in fig. 1 and 2, the utility model comprises a first bracket 2 and a second bracket 3 which are distributed at intervals and are respectively used for supporting two ends of a large-length-diameter-ratio cylindrical shell 1, wherein an annular hoop 4 is rotatably arranged on the first bracket 2, a sealing end 1-1 of the large-length-ratio cylindrical shell 1 is sleeved in the annular hoop 4, a water injection end 1-2 of the large-length-ratio cylindrical shell 1 can be lifted through a lifting belt 5, a semicircular groove 3-1 is arranged at the top of the second bracket 3, and when the central line of the annular hoop 4 is in a horizontal state, the central line of the annular hoop 4 is coaxial with the central line of the semicircular groove 3-1.
In this embodiment, through setting up first bracket 2 and second bracket 3 to rotate on first bracket 2 and install annular staple bolt 4, during the in-service use, with the sealed end 1-1 suit of big draw ratio cylindrical shell 1 in annular staple bolt 4, when utilizing suspender 5 to promote the water injection end 1-2 of big draw ratio cylindrical shell 1, annular staple bolt 4 can rotate on first bracket 2, can make the water injection end 1-2 of big draw ratio cylindrical shell 1 promoted to the settlement height, can make big draw ratio cylindrical shell 1 be in the inclination, under the supporting action of first bracket 2 and annular staple bolt 4, the sealed end 1-1 of big draw ratio cylindrical shell 1 is in unsettled state, can not contact with ground or wall body, can guarantee the homogeneity of big draw ratio cylindrical shell 1 atress, can avoid big draw ratio cylindrical shell 1's sealed end 1-1 to take place to warp.
In this embodiment, the set height of the water injection end 1-2 of the large-aspect ratio cylindrical shell 1 is lifted to a value ranging from 20 ° to 40 °.
In this embodiment, through setting up semicircular groove 3-1 at the top of second bracket 3, during the in-service use, when big draw ratio cylinder casing 1 level was placed, the water injection end 1-2 cartridge of big draw ratio cylinder casing 1 was in semicircular groove 3-1, at this moment, when the central line of annular staple bolt 4 was the horizontality, just the central line of annular staple bolt 4 with the central line of semicircular groove 3-1 is coaxial, can guarantee the levelness that big draw ratio cylinder casing 1 was placed.
As shown in fig. 3 and fig. 4, in this embodiment, the annular anchor ear 4 includes two buckled semicircular hoop bodies 4-1, one ends of the two semicircular hoop bodies 4-1 are hinged through a hinge 4-2, the other ends of the two semicircular hoop bodies 4-1 are both provided with a connection wing plate 4-3, the two connection wing plates 4-3 are detachably connected with a lock nut 4-5 through a movable joint bolt 4-4, the outer cambered surfaces of the two semicircular hoop bodies 4-1 are both provided with mounting shafts 4-6, the axes of the two mounting shafts 4-6 coincide, and the inner cambered surfaces of the semicircular hoop bodies 4-1 are provided with rubber pads 4-7.
In this embodiment, through the detachable connection between the semi-circular hoop body 4-1 of two locks is realized to movable joint bolt 4-4 and lock nut 4-5, can realize the quick assembly disassembly of annular staple bolt 4, utilize two installation axle 4-6 can realize the rotation installation of annular staple bolt 4 on first bracket 2, through set up rubber pad 4-7 on the inboard cambered surface of semi-circular hoop body 4-1, utilize rubber pad 4-7 can protect the surface of big draw ratio cylinder casing 1, can avoid the surface of big draw ratio cylinder casing 1 to produce the fish tail or crush injury.
As shown in fig. 1, 2 and 3, in this embodiment, the first bracket 2 includes a bottom plate 2-1 and two vertical columns 2-2 vertically mounted on the bottom plate 2-1, a support plate 2-3 is mounted at the top end of the vertical column 2-2, a U-shaped groove for mounting the mounting shaft 4-6 is provided at the top of the support plate 2-3, an opening of the U-shaped groove is blocked by a sealing plate 2-4, and the sealing plate 2-4 is detachably mounted at the top of the support plate 2-3 by a fastening bolt 2-5.
In this embodiment, the upright post 2-2 is made of channel steel, through installing the backup pad 2-3 at the top of upright post 2-2, set up the U-shaped groove at the top of backup pad 2-3, the opening of U-shaped groove up, during actual use, two installation axle 4-6 are installed respectively in two U-shaped inslot, in order to prevent installation axle 4-6 from slipping from the U-shaped inslot the opening part of U-shaped groove sets up shrouding 2-4, shrouding 2-4 is through fastening bolt 2-5 demountable installation in the top of backup pad 2-3.
In this embodiment, as shown in fig. 5, a U-shaped notch 2-4-1 is formed at one end of the sealing plate 2-4, the other end of the sealing plate 2-4 is connected to the top of the supporting plate 2-3 by a fastening bolt 2-5, another fastening bolt 2-5 is mounted on the top of the supporting plate 2-3, the two fastening bolts 2-5 are both in a unscrewed state, the sealing plate 2-4 can rotate around one fastening bolt 2-5, so that the U-shaped notch 2-4-1 can be clamped on the other fastening bolt 2-5, and then the two fastening bolts 2-5 are screwed together, so that the fixed connection between the sealing plate 2-4 and the supporting plate 2-3 is realized, and the sealing plate is convenient to assemble and disassemble, time-saving and labor-saving.
In this embodiment, the bottom plate 2-1 may be fixedly installed on the ground by anchor bolts in order to enhance the stability of the first bracket.
As shown in fig. 1 and 2, in actual use, before the hydraulic test is performed on the cylindrical shell 1 with a large length-to-diameter ratio, firstly, the cylindrical shell 1 with a large length-to-diameter ratio is installed on the tool, and the specific process is as follows: under the condition that the large-length-diameter-ratio cylindrical shell 1 is in a hoisting state, firstly, the sealing end 1-1 of the large-length-ratio cylindrical shell 1 is installed in the annular hoop 4, and then the water injection end 1-2 of the large-length-ratio cylindrical shell 1 is placed in the semicircular groove 3-1, and at the moment, the large-length-ratio cylindrical shell 1 is in a horizontal state; secondly, a sealing piece is arranged at the sealing end 1-1, a water injection plug 1-3 is arranged at the water injection end 1-2, and a water injection hole and an overflow hole are arranged on the water injection plug 1-3.
When water is added into the large-length-diameter-ratio cylindrical shell 1, lifting the water injection end 1-2 of the large-length-ratio cylindrical shell 1 to a set height by using the hanging strip 5; then, natural water pressure water injection can be carried out into the large-length-diameter-ratio cylindrical shell 1 through the water injection hole, when water in the large-length-ratio cylindrical shell 1 overflows through the overflow hole, the natural water pressure water injection into the large-length-ratio cylindrical shell 1 can be stopped, at the moment, the water injection plug 1-3 is screwed, the sealing of the water injection end 1-2 is realized by using the sealing piece in the water injection plug 1-3, and the volume of the natural water pressure water injection in the large-length-ratio cylindrical shell 1 does not meet the requirement because the large-length-ratio cylindrical shell 1 is in an inclined state; then, the water injection end 1-2 of the large-length-diameter-ratio cylindrical shell 1 is dropped into the semicircular groove 3-1, so that the large-length-ratio cylindrical shell 1 is in a horizontal state, natural water pressure water injection is secondarily supplemented to the large-length-ratio cylindrical shell 1, exhaust is carried out through the exhaust holes on the large-length-ratio cylindrical shell 1, when the exhaust holes overflow, overflow holes and the exhaust holes are plugged, natural water pressure water injection is stopped to be carried out in the large-length-ratio cylindrical shell 1, and the water pressure test stage can be formally entered.
After the hydrostatic test is finished, removing the sealing piece of the sealing end 1-1, and lifting the water injection end 1-2 of the large-length-diameter-ratio cylindrical shell 1 by using the hanging strip 5, so that water in the large-length-ratio cylindrical shell 1 can be discharged, and residual water cannot exist in the large-length-ratio cylindrical shell 1; the tool can improve the convenience and safety of the hydrostatic test of the cylindrical shell with the large length-diameter ratio, and is convenient to popularize and apply.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (3)
1. A frock for big draw ratio cylinder casing hydrostatic test, its characterized in that: including being the interval and laying and being used for respectively supporting first bracket (2) and second bracket (3) at big draw ratio cylinder casing (1) both ends, rotate on first bracket (2) and install annular staple bolt (4), sealed end (1-1) suit of big draw ratio cylinder casing (1) is in annular staple bolt (4), the water injection end (1-2) accessible of big draw ratio cylinder casing (1) is lifted by lifting straps (5), the top of second bracket (3) is provided with semicircular groove (3-1), works as when the central line of annular staple bolt (4) is the horizontality, the central line of annular staple bolt (4) with the central line coaxial of semicircular groove (3-1).
2. A tooling for hydrostatic testing of large aspect ratio cylindrical shells according to claim 1, wherein: the annular hoop (4) comprises two buckled semicircular hoop bodies (4-1), one ends of the two semicircular hoop bodies (4-1) are hinged through a hinge (4-2), the other ends of the two semicircular hoop bodies (4-1) are provided with connecting wing plates (4-3), the two connecting wing plates (4-3) are detachably connected with locking nuts (4-5) through movable joint bolts (4-4), mounting shafts (4-6) are arranged on outer cambered surfaces of the two semicircular hoop bodies (4-1), axes of the two mounting shafts (4-6) are overlapped, and rubber pads (4-7) are arranged on inner cambered surfaces of the semicircular hoop bodies (4-1).
3. A tooling for hydrostatic testing of large aspect ratio cylindrical shells according to claim 2, wherein: the first bracket (2) comprises a bottom plate (2-1) and two vertical columns (2-2) which are vertically arranged on the bottom plate (2-1), a supporting plate (2-3) is arranged at the top end of the vertical column (2-2), a U-shaped groove for installing an installing shaft (4-6) is formed in the top of the supporting plate (2-3), an opening of the U-shaped groove is plugged through a sealing plate (2-4), and the sealing plate (2-4) is detachably arranged at the top of the supporting plate (2-3) through a fastening bolt (2-5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322734375.8U CN220819683U (en) | 2023-10-11 | 2023-10-11 | Tool for hydrostatic test of cylindrical shell with large length-diameter ratio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322734375.8U CN220819683U (en) | 2023-10-11 | 2023-10-11 | Tool for hydrostatic test of cylindrical shell with large length-diameter ratio |
Publications (1)
Publication Number | Publication Date |
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CN220819683U true CN220819683U (en) | 2024-04-19 |
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ID=90705243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322734375.8U Active CN220819683U (en) | 2023-10-11 | 2023-10-11 | Tool for hydrostatic test of cylindrical shell with large length-diameter ratio |
Country Status (1)
Country | Link |
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CN (1) | CN220819683U (en) |
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2023
- 2023-10-11 CN CN202322734375.8U patent/CN220819683U/en active Active
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