CN104071476B - For the foam support bar of nuclear steam generator U-shaped tube packaging - Google Patents
For the foam support bar of nuclear steam generator U-shaped tube packaging Download PDFInfo
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- CN104071476B CN104071476B CN201410285252.3A CN201410285252A CN104071476B CN 104071476 B CN104071476 B CN 104071476B CN 201410285252 A CN201410285252 A CN 201410285252A CN 104071476 B CN104071476 B CN 104071476B
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- shaped tube
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Abstract
The invention 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, with left surface and the right flank of upper plane orthogonal, with the dip plane, upper left that left surface and upper Plane intersects also upwards extend internally simultaneously, with the upper right dip plane that right flank and upper Plane intersects also upwards extend internally simultaneously, intersect with left surface and lower plane and the dip plane, lower-left simultaneously extended internally downwards, intersect with described right flank and lower plane and the dip plane, bottom right simultaneously extended internally downwards, and be located at multiple upper groove in described upper plane and be arranged on the multiple low grooves on described lower plane, and described upper groove and described low groove interval are arranged, pipe clamping device is provided with in described upper groove.The present invention in transportation, can play a protective role it to U-shaped heat-transfer pipe, prevent in transport and lay up period because the damage being moved or mutually colliding and cause.
Description
Technical field
The present invention relates to nuclear steam generator heat-transfer pipe technical field, relate to a kind of foam support bar for nuclear steam generator U-shaped tube packaging in particular.
Background technology
Before the seventies in last century, generally adopt 18-8 type corrosion-resistant steel Inconel600 alloy (hereinafter referred to as " 600 alloy ") as the main material of PWR of Nuclear Power Station steam generator heat-transfer pipe in the world always.But the steam generator heat-transfer pipe starting for 1970 to occur has been damaged to the critical defect of pressurized water reactor.Find through systematic study: stress corrosion crack (SCC) is the most important reason that pressurized water reactor nuclear power station steam generator heat-transfer pipe damages.Within 800 hours, serious stress corrosion crack is namely there is in Inconel600 alloy in containing the H3BO4 solution of Cl-, and corrosion-resistant steel anti-stress corrosion performance is poorer than Inconel600 alloy, find through a large amount of Comparative Study of people, Incoloy800 alloy (hereinafter referred to as " 800 alloy ") and Inconel690 alloy (hereinafter referred to as " 690 alloy ") relative 600 alloys, the former has better corrosion resistance, the ideal material of 600 alloys as PWR of Nuclear Power Station steam generator heat-transfer pipe can be replaced, and in prior art, also employing 690 alloy is had as heat-transfer pipe, such as patent publication No. is CN103146959A, publication date is that the Chinese invention patent of 2013.06.12 discloses a kind of nuclear steam generator U-shaped seamless nickel chromium iron alloy heat-transfer pipe.
U-shaped heat-transfer pipe is when transport, need to be placed in packing chest and carry out, usually wooden-box package is adopted during now common Stainless Steel U pipe finished product packing, mutually isolated with wooden parting bead between U-shaped pipe, or adopt wooden splint and oblique batten to prevent the vibrations of U-shaped pipe longitudinal direction and vertical direction in case, but existing wooden parting bead is bad for the isolation effect of U-shaped heat-transfer pipe, in the process of transport, easily cause the damage of U-shaped heat-transfer pipe.
Summary of the invention
The object of the invention 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 in transportation; U-shaped heat-transfer pipe is played a protective role, prevents in transport and lay up period because the damage being moved or mutually colliding and cause.
In order to solve the problems of the technologies described above, technical scheme of the present invention 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, with left surface and the right flank of described upper plane orthogonal, with the dip plane, upper left that described left surface and upper Plane intersects also upwards extend internally simultaneously, with the upper right dip plane that described right flank and upper Plane intersects also upwards extend internally simultaneously, intersect with described left surface and lower plane and the dip plane, lower-left simultaneously extended internally downwards, intersect with described right flank and lower plane and the dip plane, bottom right simultaneously extended internally downwards, and be located at multiple upper groove in described upper plane and be arranged on the multiple low grooves on described lower plane, and described upper groove and described low groove interval are arranged, pipe clamping device is provided with in described upper groove.
As preferably, described pipe clamping device comprises lower end and is hinged on a pair arc plate on described upper groove, described arc plate is produced to the extension spring of outside pulling force and is fixed on the bearing plate that described arc plate lower end inwardly upwards extends simultaneously, and the inside face that described arc plate contacts with U-shaped pipe is provided with layer of polyurethane.
As preferably, described pipe clamping device also comprises two the vertical lateral faces be arranged in described upper groove, gap is formed between described vertical lateral face and described arc plate outside face, described vertical lateral face is provided with the wedging mechanism be positioned at above described extension spring, described wedging mechanism comprises the adapter plate be 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 and the Compress Spring of elastic anchorage force produced to described piston rod 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 the rigid contact plate be fixed on described elastic body.
As preferably, described rigid body and elastic body are cylinder, and described rigid contact plate is inclined upwardly along with away from described rigid contact plate gradually away from described elastomeric free end.
As preferably, described rigid contact plate is cuboid, and described elastic body length is 2/3 of described rigid body length, and described rigid contact plate length is equal with described elastic body length.
As preferably, described low groove cross-sectional plane is circular arc.
As preferably, described upper plane, lower plane width are equal, and distance between described left surface and right flank and described upper plane, lower plane width sum are equal.
Beneficial effect of the present invention is:
Foam support bar for nuclear steam generator U-shaped tube packaging of the present invention, it in transportation, can play a protective role to U-shaped heat-transfer pipe, prevents in transport and lay up period because the damage being moved or mutually colliding and cause.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of the embodiment of the present invention one;
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 embodiment of the present invention two;
Fig. 5 is the structural representation of Tu4Zhong wedging mechanism;
Fig. 6 is the structural representation of the embodiment of the present invention three;
Fig. 7 is the schematic top plan view of Fig. 6.
Detailed description of the invention
The following stated is only preferred embodiment of the present invention, not limits scope of the present invention.
Embodiment 1, see accompanying drawing 1, 2, 3, for the foam support bar of nuclear steam generator U-shaped tube packaging, foam support bar comprises plane 1, the lower plane 2 parallel with described upper plane 1, the left surface 3 vertical with described upper plane 1 and right flank 4, intersect and the dip plane, upper left 5 upwards simultaneously extended internally with described left surface 3 and upper plane 1, intersect and the upper right dip plane 6 upwards simultaneously extended internally with described right flank 4 and upper plane 1, intersect and the dip plane, lower-left 7 simultaneously extended internally downwards with described left surface 3 and lower plane 2, intersect and the dip plane, bottom right 8 simultaneously extended internally downwards with described right flank 4 and lower plane 2, and the multiple low grooves 10 being located at multiple upper grooves in described upper plane 19 and being arranged on described lower plane 2, and described upper groove 9 and described low groove 10 interval are arranged, that is, in the downward projection figure of foam support bar, upper groove and low groove do not overlap, on downward projection figure, a low groove is had between two upper grooves, pipe clamping device 11 is provided with in described upper groove 9, described low groove 10 cross-sectional plane is circular arc, described upper plane 1, lower plane 2 width is equal, and distance between described left surface 3 and right flank 4 and described upper plane 1, lower plane 2 width sum is equal, left surface 3 and right flank 4 are all vertical with upper plane and lower plane, and, be provided with open-ended in foam support bar one end, with this open-ended relative other one end of foam support bar, be formed with striation section, this striation section does not arrange upper groove and low groove, when in use, U-shaped heat-transfer pipe is placed on foam support bar, be arranged in upper groove, the low groove of the foam support bar of one deck is above used to be pushed down from above by U-shaped heat-transfer pipe again, the compression of practice to U-shaped heat-transfer pipe, prevent its vibration.
Embodiment 2, is shown in accompanying drawing 4,5, is provided with pipe clamping device in described upper groove, described pipe clamping device 11 comprises lower end and is hinged on a pair arc plate 1101 on described upper groove 9, the extension spring 1102 of outside pulling force is produced to described arc plate 1101 and is fixed on the inside bearing plate 1103 simultaneously upwards extended in described arc plate 1101 lower end, the inside face that described arc plate 1101 contacts with U-shaped pipe is provided with layer of polyurethane, time 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 coordinated with arc plate, inwardly rotate when U-shaped heat-transfer pipe is placed on upper end, U-shaped heat-transfer pipe is clamped, such clamping, be rely on the gravity of U-shaped heat-transfer pipe own to realize completely, not by external force, structure is simple, easy to use, clamping effect is good, and U-shaped heat-transfer pipe is heavier, then gripping power is relatively larger, otherwise it is then less, in order to avoid causing damage to U-shaped heat-transfer pipe, layer of polyurethane (not drawing in drawing), thickness is at 1-2m.
Simultaneously, described pipe clamping device 11 also comprises two the vertical lateral faces 1105 be arranged in described upper groove 9, gap 1106 is formed between described vertical lateral face 1105 and described arc plate 1101 outside face, described vertical lateral face 1105 is provided with the wedging mechanism 1104 be positioned at above described extension spring 1102, described wedging mechanism comprises the adapter plate 1107 be 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 and the Compress Spring 1110 of elastic anchorage force produced to described piston rod 1109 and is fixed on described piston rod 1109 end and stretches into the bullet 1111 in described gap 1106, piston rod free-running fit be arranged in cylinder body, cylinder body is spirally connected and is fixed on adapter plate, the diameter of bullet becomes large from top to bottom gradually, when arc plate rotates time, the size in gap changes, and piston rod, under the effect of Compress Spring spring force, drives bullet upward movement, the outside face of arc plate is supported, prevent the phenomenon that arc plate is reversed, avoid affecting clamping effect, further, roller 1112 is established on described bullet 1111 top, described roller 1112 outer circumference surface is 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, with 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 the rigid contact plate 11033 be fixed on described elastic body 11032, described rigid body 11031 and elastic body 11032 are cylinder, described rigid contact plate 11033 is inclined upwardly along with away from described rigid contact plate 11033 gradually away from the free end of described elastic body 11032, like this, when U-shaped heat exchanger tube is placed on foam support bar time, first rigid contact plate contacts with foam support bar, then deposit because of elastomeric, elastic body generation deformation, the process that this is contacted is flexible, then arc plate rotates again, further, described rigid contact plate 11033 is cuboid, described elastic body 11032 length is 2/3 of described rigid body 11031 length, described rigid contact plate 11033 length is equal with described elastic body 11302 length, described elastomer components is, ethylene propylene diene rubber 130 parts, butadiene acrylonitrile rubber 66 parts, white carbon 12 parts, 25 parts, sulphur, polydimethyl diloxanes 1 part, isoprene rubber 29 parts, butadiene rubber 29 parts, naphthenic oil 2 parts, vulcanization accelerator 1 part, 2 parts, zinc oxide, 1 part, aging inhibitor, french talc 1 part, starch 1 part.
More than illustrate it is only explanation of the invention, those of ordinary skill in the art's can completely is made to implement this programme, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, and these are all not creative amendments.As long as but be all subject to the protection of patent law in right of the present invention.
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), the left surface (3) vertical with described upper plane (1) and right flank (4), intersect and the dip plane, upper left (5) upwards simultaneously extended internally with described left surface (3) and upper plane (1), intersect and the upper right dip plane (6) upwards simultaneously extended internally with described right flank (4) and upper plane (1), intersect with described left surface (3) and lower plane (2) and the dip plane, lower-left (7) simultaneously extended internally downwards, intersect with described right flank (4) and lower plane (2) and the dip plane, bottom right (8) simultaneously extended internally downwards, and the multiple upper grooves (9) be located on described upper plane (1) and the multiple low grooves (10) be arranged on described lower plane (2), and described upper groove (9) and described low groove (10) interval are arranged, pipe clamping device (11) is provided with in described upper groove (9).
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 lower end and is hinged on a pair arc plate (1101) on described upper groove (9), described arc plate (1101) produced to the extension spring (1102) of outside pulling force and is fixed on the bearing plate (1103) that described arc plate (1101) lower end inwardly upwards extends simultaneously, and the inside face that described arc plate (1101) contacts with U-shaped pipe is provided with layer of polyurethane.
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) be arranged in described upper groove (9), gap (1106) is formed between described vertical lateral face (1105) and described arc plate (1101) outside face, described vertical lateral face (1105) is provided with the wedging mechanism being positioned at described extension spring (1102) top, described wedging mechanism comprises the adapter plate (1107) be 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) and the Compress Spring (1110) of elastic anchorage force produced to described piston rod (1109) 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, it is characterized in that: roller (1112) is established on described bullet (1111) top, 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 the rigid contact plate (11033) be fixed 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 rigid contact plate (11033) is inclined upwardly along with away from described rigid contact plate (11033) gradually away from the free end of described elastic body (11032).
7. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 6, it is characterized in that: described rigid contact plate (11033) is cuboid, described elastic body (11032) length is 2/3 of described rigid body (11031) length, and described rigid contact plate (11033) length is equal with described elastic body (11302) length.
8. the foam support bar for nuclear steam generator U-shaped tube packaging according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that: described low groove (10) cross-sectional plane is circular arc.
9. the foam support bar for nuclear steam generator U-shaped tube packaging according to 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 are equal, and distance between described left surface (3) and right flank (4) and described upper plane (1), lower plane (2) width sum are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285252.3A CN104071476B (en) | 2014-06-24 | 2014-06-24 | For the foam support bar of nuclear steam generator U-shaped tube packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410285252.3A CN104071476B (en) | 2014-06-24 | 2014-06-24 | For the foam support bar of nuclear steam generator U-shaped tube packaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104071476A CN104071476A (en) | 2014-10-01 |
| CN104071476B true CN104071476B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410285252.3A Active CN104071476B (en) | 2014-06-24 | 2014-06-24 | For the foam support bar of nuclear steam generator U-shaped tube packaging |
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| CN (1) | CN104071476B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456360A (en) * | 1994-09-30 | 1995-10-10 | The Perkin-Elmer Corporation | Holder assembly for reaction tubes |
| JPH08253244A (en) * | 1995-03-20 | 1996-10-01 | Nohmi Bosai Ltd | Product housing container |
| US6286678B1 (en) * | 1999-03-05 | 2001-09-11 | Rainin Instruments Co., Inc. | Refill pack for pipette tip racks and improved pipette tip support plate for use in such packs and racks |
| CN201415806Y (en) * | 2009-05-22 | 2010-03-03 | 广东威灵电机制造有限公司 | Packaging structure of low-power motors |
| CN203921670U (en) * | 2014-06-24 | 2014-11-05 | 浙江久立特材科技股份有限公司 | Foam support bar for nuclear steam generator U-shaped tube packaging |
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- 2014-06-24 CN CN201410285252.3A patent/CN104071476B/en active Active
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| CN104071476A (en) | 2014-10-01 |
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