CN203921670U - Foam support bar for nuclear steam generator U-shaped tube packaging - Google Patents
Foam support bar for nuclear steam generator U-shaped tube packaging Download PDFInfo
- Publication number
- CN203921670U CN203921670U CN201420339205.8U CN201420339205U CN203921670U CN 203921670 U CN203921670 U CN 203921670U CN 201420339205 U CN201420339205 U CN 201420339205U CN 203921670 U CN203921670 U CN 203921670U
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- Prior art keywords
- plane
- support bar
- foam support
- steam generator
- shaped tube
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Abstract
The utility model discloses a kind of foam support bar for nuclear steam generator U-shaped tube packaging, foam support bar comprises plane, with upper parallel plane lower plane, the left surface vertical with upper plane and right flank, with left surface and upper Plane intersects the dip plane, upper left that upwards extends internally simultaneously, with right flank and upper Plane intersects the dip plane, upper right that upwards extends internally simultaneously, intersect with left surface and lower plane the dip plane, lower-left also simultaneously extending internally downwards, intersect with described right flank and lower plane the dip plane, bottom right also simultaneously extending internally downwards, and be located at a plurality of upper grooves in described upper plane and be arranged on a plurality of low grooves on described lower plane, and described upper groove and described low groove interval arrange, in described upper groove, be provided with pipe clamping device.The utility model can play a protective role to U-shaped heat-transfer pipe in transportation, prevents at transportation and lay up period because of being moved or mutually colliding and the damage that causes.
Description
Technical field
The utility model relates to nuclear steam generator heat-transfer pipe technical field, relates in particular a kind of foam support bar for nuclear steam generator U-shaped tube packaging.
Background technology
Before the 70's of last century, generally adopt in the world 18-8 type corrosion-resistant steel Inconel600 alloy (hereinafter to be referred as " 600 alloy ") as the main material of PWR of Nuclear Power Station steam generator heat-transfer pipe always.But the steam generator heat-transfer pipe that starts to occur for 1970 has been damaged to the critical defect of pressurized water reactor.Through systematic study, find: stress corrosion crack (SCC) is the most important reason that pressurized water reactor nuclear power station steam generator heat-transfer pipe damages.Containing in the H3BO4 solution of Cl-, within 800 hours, there is serious stress corrosion crack in Inconel600 alloy, and corrosion-resistant steel anti-stress corrosion performance is poorer than Inconel600 alloy, through a large amount of Comparative Study of people, find, Incoloy800 alloy (hereinafter to be referred as " 800 alloy ") and relative 600 alloys of Inconel 690 alloys (hereinafter to be referred as " 690 alloy "), the former has better corrosion resistance, can replace 600 alloys as the ideal material of PWR of Nuclear Power Station steam generator heat-transfer pipe, and in prior art, also have and adopt 690 alloys as heat-transfer pipe, for example patent publication No. is CN 103146959 A, open day is a kind of nuclear steam generator U-shaped seamless nickel chromium iron alloy heat-transfer pipe for the Chinese invention patent of 2013.06.12 discloses.
U-shaped heat-transfer pipe is in transportation, need to be placed in packing chest and carry out, during present common Stainless Steel U pipe finished product packing, conventionally adopt wooden-box package, between U-shaped pipe, with wooden parting bead, mutually isolate, or adopt wooden splint and tiltedly batten prevent U-shaped pipe in case longitudinally and the vibrations of vertical direction, still, existing wooden parting bead is bad for the isolation effect of U-shaped heat-transfer pipe, in the process of transportation, easily cause the damage of U-shaped heat-transfer pipe.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art part; a kind of foam support bar for nuclear steam generator U-shaped tube packaging is provided; it can be in transportation; U-shaped heat-transfer pipe is played a protective role, prevent at transportation and lay up period because of being moved or mutually colliding and the damage that causes.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: for the foam support bar of nuclear steam generator U-shaped tube packaging, foam support bar comprises plane, with described parallel plane lower plane, left surface and the right flank vertical with described upper plane, with described left surface and upper Plane intersects the dip plane, upper left that upwards extends internally simultaneously, with described right flank and upper Plane intersects the dip plane, upper right that upwards extends internally simultaneously, intersect with described left surface and lower plane the dip plane, lower-left also simultaneously extending internally downwards, intersect with described right flank and lower plane the dip plane, bottom right also simultaneously extending internally downwards, and be located at a plurality of upper grooves in described upper plane and be arranged on a plurality of low grooves on described lower plane, and described upper groove and described low groove interval arrange, in described upper groove, be provided with pipe clamping device.
As preferably, described pipe clamping device comprises that lower end is hinged on a pair of arc plate on described upper groove, described arc plate is produced the extension spring of outside pulling force and is fixed on inwardly upwardly extending bearing plate simultaneously of described arc plate lower end, and described arc plate is provided with layer of polyurethane with the inside face that U-shaped pipe contacts.
As preferably, described pipe clamping device also comprises two vertical lateral faces that are arranged in described upper groove, between described vertical lateral face and described arc plate outside face, form gap, described vertical lateral face is provided with the wedging mechanism that is positioned at described extension spring top, described wedging mechanism comprises the adapter plate being fixed on described lateral face, be fixed on the cylinder body on described adapter plate, be arranged on the piston rod in described cylinder body, be arranged in described cylinder body to described piston rod is produced the Compress Spring of elastic anchorage force and is fixed on described piston rod end and stretches into the bullet in described gap.
As preferably, roller is established on described bullet top, and described roller outer circumference surface is provided with elastic ball.
As preferably, described bearing plate comprises the elastic body that the rigid body that is fixedly connected with described arc plate is fixedly connected with described rigid body and is fixed on the rigidity contact plate on described elastic body.
As preferably, described rigid body and elastic body are cylinder, described rigidity contact plate away from described elastomeric free end along with being inclined upwardly gradually away from described rigidity contact plate.
As preferably, described rigidity contact plate is cuboid, and described elastic body length is 2/3 of described rigid body length, and described rigidity contact plate length and described elastic body are equal in length.
As preferably, described low groove cross-sectional plane is circular arc.
As preferably, described upper plane, lower plane width equate, and the distance between described left surface and right flank equates with described upper plane, lower plane width sum.
The utility model beneficial effect is:
Foam support bar for nuclear steam generator U-shaped tube packaging of the present utility model, it can play a protective role to U-shaped heat-transfer pipe in transportation, prevents at transportation and lay up period because of being moved or mutually colliding and the damage that causes.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model embodiment mono-;
Fig. 2 is the schematic top plan view of Fig. 1;
Fig. 3 is the A-A cutaway view in Fig. 2;
Fig. 4 is the structural representation of the utility model embodiment bis-;
The structural representation of Tu5Wei Tu4Zhong wedging mechanism;
Fig. 6 is the structural representation of the utility model embodiment tri-;
Fig. 7 is the schematic top plan view of Fig. 6.
The specific embodiment
The following stated is only preferred embodiment of the present utility model, not scope of the present utility model is limited.
Embodiment 1, see accompanying drawing 1, 2, 3, foam support bar for nuclear steam generator U-shaped tube packaging, foam support bar comprises plane 1, with the parallel lower plane 2 of described upper plane 1, left surface 3 and the right flank 4 vertical with described upper plane 1, the dip plane, upper left 5 of intersecting and making progress and extend internally simultaneously with described left surface 3 and upper plane 1, the dip plane, upper right 6 of intersecting and making progress and extend internally simultaneously with described right flank 4 and upper plane 1, intersect with described left surface 3 and lower plane 2 dip plane, lower-left 7 also simultaneously extending internally downwards, intersect with described right flank 4 and lower plane 2 dip plane, bottom right 8 also simultaneously extending internally downwards, and be located at a plurality of upper grooves 9 in described upper plane 1 and be arranged on a plurality of low grooves 10 on described lower plane 2, and described upper groove 9 and described low groove 10 intervals arrange, that is to say, in the downward projection figure of foam support bar, upper groove and low groove do not overlap, on downward projection figure, between two upper grooves, there is a low groove, in described upper groove 9, be provided with pipe clamping device 11, described low groove 10 cross-sectional planes are circular arc, described upper plane 1, lower plane 2 width equate, and the distance between described left surface 3 and right flank 4 and described upper plane 1, lower plane 2 width sums equate, left surface 3 is all vertical with upper plane and lower plane with right flank 4, and, in foam support bar one end, be provided with open-ended, with this open-ended relative other one end of foam support bar, be formed with striation section, in this striation section, upper groove and low groove are not set, when in use, U-shaped heat-transfer pipe is placed on foam support bar, be arranged in upper groove, use again the low groove of the foam support bar of one deck above that U-shaped heat-transfer pipe is pushed down from above, the compression of practice to U-shaped heat-transfer pipe, prevent its vibration.
Embodiment 2, see accompanying drawing 4,5, in described upper groove, are provided with pipe clamping device, described pipe clamping device 11 comprises that lower end is hinged on a pair of arc plate 1101 on described upper groove 9, described arc plate 1101 is produced the extension spring 1102 of outside pulling force and is fixed on inwardly upwardly extending bearing plate 1103 of while of described arc plate 1101 lower ends, described arc plate 1101 is provided with layer of polyurethane with the inside face that U-shaped pipe contacts, when U-shaped heat exchanger tube is placed on foam support batten, first bearing plate is under pressure, arc plate lower end is under pressure, arc plate is rotated around hinge, arc plate lower end is hinged on upper groove 9 by hinge, upper groove 9 is provided with the boss coordinating with arc plate, when being placed on upper end, U-shaped heat-transfer pipe inwardly rotates, U-shaped heat-transfer pipe is clamped, such clamping, to rely on the gravity of U-shaped heat-transfer pipe own to realize completely, not by external force, simple in structure, easy to use, clamp effectively, U-shaped heat-transfer pipe is heavier, and gripping power is relatively larger, otherwise less, for fear of U-shaped heat-transfer pipe is caused to damage, layer of polyurethane (not drawing in drawing), thickness is at 1-2m.
Simultaneously, described pipe clamping device 11 also comprises two vertical lateral faces 1105 that are arranged in described upper groove 9, between described vertical lateral face 1105 and described arc plate 1101 outside faces, form gap 1106, described vertical lateral face 1105 is provided with the wedging mechanism 1104 that is positioned at described extension spring 1102 tops, described wedging mechanism comprises the adapter plate 1107 being fixed on described lateral face 1105, be fixed on the cylinder body 1108 on described adapter plate 1107, be arranged on the piston rod 1109 in described cylinder body 1108, be arranged in described cylinder body 1108 to described piston rod 1109 is produced the Compress Spring 1110 of elastic anchorage force and is fixed on described piston rod 1109 ends and stretches into the bullet 1111 in described gap 1106, being arranged in cylinder body of piston rod free-running fit, cylinder body is spirally connected and is fixed on adapter plate, it is large that the diameter of bullet becomes from top to bottom gradually, when arc plate rotates, the size in gap changes, and piston rod, under the effect of Compress Spring spring force, drives bullet upward movement, outside face to arc plate supports, prevent the phenomenon that arc plate is reversed, avoid impact to clamp effect, further, roller 1112 is established on described bullet 1111 tops, described roller 1112 outer circumference surfaces are provided with elastic ball 1113, and roller 1112 can enter to roll, and it is arranged on the top of bullet by installation shaft.
Embodiment 3, in the present embodiment, we improve bearing plate, in embodiment 2, bearing plate is that cuboid is different, in the present embodiment, described bearing plate 1103 comprises the elastic body 11032 that the rigid body 11031 that is fixedly connected with described arc plate 1101 is fixedly connected with described rigid body 11031 and is fixed on the rigidity contact plate 11033 on described elastic body 11032, described rigid body 11031 and elastic body 11032 are cylinder, described rigidity contact plate 11033 away from the free end of described elastic body 11032 along with being inclined upwardly gradually away from described rigidity contact plate 11033, like this, when U-shaped heat exchanger tube is placed on foam support bar, first rigidity contact plate contacts with foam support bar, then because elastomeric depositing, elastic body generation deformation, the process that makes this contact is flexible, then arc plate rotates again, further, described rigidity contact plate 11033 is cuboid, described elastic body 11032 length are 2/3 of described rigid body 11031 length, described rigidity contact plate 11033 length and described elastic body 11302 are equal in length, described elastic body composition is, 130 parts of ethylene propylene diene rubbers, 66 parts of butadiene acrylonitrile rubbers, 12 parts of white carbons, 25 parts, sulphur, 1 part of polydimethyl diloxanes, 29 parts of isoprene rubbers, 29 parts of butadiene rubbers, 2 parts of naphthenic oils, 1 part of vulcanization accelerator, 2 parts, zinc oxide, 1 part, aging inhibitor, 1 part of french talc, 1 part of starch.
More than explanation is only to explanation of the present utility model, make those of ordinary skills' can completely implement this programme, but be not to restriction of the present utility model, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification sheets, and these are all not creative modifications.But as long as within the scope of claim of the present utility model, be all subject to the protection of patent law.
Claims (9)
1. for the foam support bar of nuclear steam generator U-shaped tube packaging, it is characterized in that: foam support bar comprises plane (1), the lower plane (2) parallel with described upper plane (1), left surface (3) and the right flank (4) vertical with described upper plane (1), the dip plane, upper left (5) of intersecting and making progress and extend internally simultaneously with described left surface (3) and upper plane (1), the dip plane, upper right (6) of intersecting and making progress and extend internally simultaneously with described right flank (4) and upper plane (1), intersect with described left surface (3) and lower plane (2) dip plane, lower-left (7) also simultaneously extending internally downwards, intersect with described right flank (4) and lower plane (2) dip plane, bottom right (8) also simultaneously extending internally downwards, and be located at a plurality of upper grooves (9) in described upper plane (1) and be arranged on a plurality of low grooves (10) on described lower plane (2), and described upper groove (9) and described low groove (10) interval arrange, in described upper groove (9), be provided with pipe clamping device (11).
2. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 1, it is characterized in that: described pipe clamping device (11) comprises that lower end is hinged on a pair of arc plate (1101) on described upper groove (9), described arc plate (1101) is produced the extension spring (1102) of outside pulling force and is fixed on inwardly upwardly extending bearing plate (1103) simultaneously of described arc plate (1101) lower end, and described arc plate (1101) is provided with layer of polyurethane with the inside face that U-shaped pipe contacts.
3. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 2, it is characterized in that: described pipe clamping device (11) also comprises two the vertical lateral faces (1105) that are arranged in described upper groove (9), between described vertical lateral face (1105) and described arc plate (1101) outside face, form gap (1106), described vertical lateral face (1105) is provided with the wedging mechanism that is positioned at described extension spring (1102) top, described wedging mechanism comprises the adapter plate (1107) being fixed on described lateral face (1105), be fixed on the cylinder body (1108) on described adapter plate (1107), be arranged on the piston rod (1109) in described cylinder body (1108), be arranged in described cylinder body (1108) to described piston rod (1109) is produced the Compress Spring (1110) of elastic anchorage force and is fixed on described piston rod (1109) end and stretches into the bullet (1111) in described gap (1106).
4. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 3, is characterized in that: roller (1112) is established on described bullet (1111) top, and described roller (1112) outer circumference surface is provided with elastic ball (1113).
5. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 2, is characterized in that: described bearing plate (1103) comprises the elastic body (11032) that the rigid body (11031) that is fixedly connected with described arc plate (1101) is fixedly connected with described rigid body (11031) and is fixed on the rigidity contact plate (11033) on described elastic body (11032).
6. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 5, it is characterized in that: described rigid body (11031) and elastic body (11032) are cylinder, described rigidity contact plate (11033) away from the free end of described elastic body (11032) along with being inclined upwardly gradually away from described rigidity contact plate (11033).
7. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 6, it is characterized in that: described rigidity contact plate (11033) is cuboid, described elastic body (11032) length is 2/3 of described rigid body (11031) length, and described rigidity contact plate (11033) length and described elastic body (11302) are equal in length.
8. according to the foam support bar for nuclear steam generator U-shaped tube packaging described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: described low groove (10) cross-sectional plane is circular arc.
9. according to the foam support bar for nuclear steam generator U-shaped tube packaging described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: described upper plane (1), lower plane (2) width equate, and the distance between described left surface (3) and right flank (4) equates with described upper plane (1), lower plane (2) width sum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339205.8U CN203921670U (en) | 2014-06-24 | 2014-06-24 | Foam support bar for nuclear steam generator U-shaped tube packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339205.8U CN203921670U (en) | 2014-06-24 | 2014-06-24 | Foam support bar for nuclear steam generator U-shaped tube packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203921670U true CN203921670U (en) | 2014-11-05 |
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ID=51817528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339205.8U Withdrawn - After Issue CN203921670U (en) | 2014-06-24 | 2014-06-24 | Foam support bar for nuclear steam generator U-shaped tube packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203921670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071476A (en) * | 2014-06-24 | 2014-10-01 | 浙江久立特材科技股份有限公司 | Foam support bar for packaging U-shaped tube of nuclear power steam generator |
-
2014
- 2014-06-24 CN CN201420339205.8U patent/CN203921670U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071476A (en) * | 2014-06-24 | 2014-10-01 | 浙江久立特材科技股份有限公司 | Foam support bar for packaging U-shaped tube of nuclear power steam generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |