CN105775996A - Hoisting tool for valve plate of large-caliber gate valve for nuclear power station - Google Patents
Hoisting tool for valve plate of large-caliber gate valve for nuclear power station Download PDFInfo
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- CN105775996A CN105775996A CN201410820542.3A CN201410820542A CN105775996A CN 105775996 A CN105775996 A CN 105775996A CN 201410820542 A CN201410820542 A CN 201410820542A CN 105775996 A CN105775996 A CN 105775996A
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- valve plate
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- shaped piece
- nuclear power
- power station
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Abstract
The invention relates to a hoisting tool for a valve plate of a large-caliber gate valve for a nuclear power station. A T-shaped groove is formed in the upper end of the valve plate. The hoisting tool comprises a hoisting ring, a frame-shaped block and a T-shaped block. When the valve plate is hoisted, the T-shaped block is connected in the T-shaped groove in an inserted manner, the frame-shaped block is buckled at the upper end of the valve plate, the T-shaped block is clamped in the frame-shaped block, a bolt is connected with the lower end of the hoisting ring, and after penetrating the frame-shaped block from top to bottom, the bolt is in threaded connection with the T-shaped block; and the T-shaped block and the T-shaped groove are the same in structure and size, when the T-shaped block is connected in the T-shaped groove in a clamped manner, the upper surface of the T-shaped block is flush with the top face of the valve plate, the thickness of the T-shaped block is the same as that of the upper end of the valve plate, a threaded hole in threaded connection with the bolt is formed in the center of the upper end of the T-shaped block, and a through hole allowing the bolt to penetrate is formed in the center of a top plate. Compared with the prior art, the hoisting tool has the beneficial effects of being simple in structure, safe, reliable, convenient to maintain, wide in application range and the like.
Description
Technical field
The present invention relates to a kind of lifting device, especially relate to a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device.
Background technology
The valve rod of current nuclear power station heavy-caliber gate valve mostly is T-shaped with valve plate and is connected, it is will connect integral hoisting between valve rod and valve plate that valve plate lifts usual way, and again because heavy-caliber gate valve valve plate is relatively larger, nuclear power plant equipment is intensive, lifting narrow space, exist valve plate slip hurt sb.'s feelings, damage equipment risk.
Chinese patent CN102530708A discloses a kind of boom hoisting, belongs to hoisting apparatus field.This boom hoisting includes suspension ring, is terminated with bearing block under described suspension ring, and the lower surface of described bearing block is fixing with the outer ring of bearing to be connected, and the centrage of described bearing is with described bearing block centrage on the same line.The inner ring of described bearing is tightly placed on axle journal, and described axle journal extends downward outside described inner ring.Also including left and right arm, the lower end of described axle journal is removable pin with the upper end of described left and right arm and is connected, and described left and right arm launches in herringbone.The lower end of described left and right arm is separately fixed at the two ends, left and right of cross bar, and the two ends, left and right of described cross bar are additionally provided with vertical gripping arm.It is freely rotatable between this boom hoisting suspension ring and arm.Above-mentioned hanging apparatus takes up room relatively big, is not suitable in nuclear power station the lifting of space-constrained valve plate.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of simple in construction is provided, the used in nuclear power station heavy-caliber gate valve valve plate lifting device that safe and reliable, maintenance is convenient, use scope is wide.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device, the upper end of described valve plate offers T-slot, described lifting device include suspension ring, shaped as frame block with T-shaped piece, during lifting valve plate, described T-shaped piece is plugged in T-slot, and described shaped as frame block is fastened on the upper end of valve plate, and in T-shaped piece is clamped in, described suspension ring lower end is connected to bolt, after described bolt runs through shaped as frame block from top to bottom, is threaded on T-shaped piece.
The end face of described valve plate is horizontal plane, and described T-slot upper end extends to the end face of valve plate.
Described T-shaped piece and the structure of T-slot are with equivalently-sized, and when described T-shaped piece is connected in T-slot, the either flush of T-shaped piece of described upper surface and valve plate, the thickness of described T-shaped piece is identical with the thickness of valve plate upper end.
The upper end center place of described T-shaped piece offers the screwed hole that bolt thread connects.
Described shaped as frame block includes a top board and two side plates being vertically connected on top board both sides, and the spacing between two side plates is identical with the thickness of T-shaped piece.
The center of described top board offers the through hole through so that bolt.
It is welded with leveling plates between described suspension ring and bolt.
Described shaped as frame block with T-shaped piece by No. 45 steel processing and fabricatings.
Special sling ring selected by described suspension ring.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) use scope wide: suitable in the vertically arranged heavy-caliber gate valve Disintegration overhaul work of nuclear power station major part, also can be processed into the different size actual size with satisfied different valve plates.
(2) safe and reliable: shaped as frame block is with T-shaped piece by No. 45 steel processing and fabricatings, and intensity is reliable；T-shaped piece and shaped as frame block are with the use of avoiding the risk that valve plate slips.
(3) improve work efficiency: install and use quick, and directly lift valve plate operation sequence simplified in comparison operating procedure with valve rod, reduce the workload of personnel.
(4) with low cost: simple in construction, it is easy to processing, reusable.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the lifting device of the present invention；
Fig. 2 is the attachment structure schematic diagram during lifting device use of the present invention.
Number in the figure: 1 is suspension ring, 11 is bolt, and 12 is leveling plates, and 2 is shaped as frame block, and 21 is top board, and 22 is side plate, and 23 is through hole, and 3 is T-shaped piece, and 31 is screwed hole, and 4 is valve plate, and 41 is T-slot.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1 and Figure 2, a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device, wherein the upper end of valve plate 4 offers T-slot 41, lifting device include suspension ring 1, shaped as frame block 2 with T-shaped piece 3, during lifting valve plate 4, it is plugged on for T-shaped piece 3 in T-slot 41, shaped as frame block 2 is fastened on the upper end of valve plate 4, and in being clamped in T-shaped piece 3, suspension ring 1 lower end is connected to bolt 11, after bolt 11 runs through shaped as frame block 2 from top to bottom, it is threaded on T-shaped piece 3.Wherein, the end face of valve plate 4 is horizontal plane, and T-slot 41 upper end extends to the end face of valve plate 4.Type block 3 and the structure of T-slot 41 are with equivalently-sized, and T-shaped piece 3 when being connected in T-slot 41, the either flush of T-shaped piece of 3 upper surface and valve plate 4, the thickness of T-shaped piece 3 is identical with the thickness of valve plate 4 upper end.The upper end center place of T-shaped piece 3 offers the threaded screwed hole of bolt 11 31.Shaped as frame block 2 includes a top board 21 and two side plates 22 being vertically connected on top board 21 both sides, and the spacing between two side plates 22 is identical with the thickness of T-shaped piece 3.The center of top board 21 offers the through hole 23 through so that bolt 11.Leveling plates 12 it is welded with between suspension ring 1 and bolt 11.
In the present embodiment, shaped as frame block 2 with T-shaped piece 3 by No. 45 steel processing and fabricatings.Special sling ring selected by suspension ring 1.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use invention.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art's announcement according to the present invention, the improvement made without departing from scope and amendment all should within protection scope of the present invention.
Claims (9)
1. a used in nuclear power station heavy-caliber gate valve valve plate lifting device, the upper end of described valve plate (4) offers T-slot (41), it is characterized in that, described lifting device includes suspension ring (1), shaped as frame block (2) and T-shaped piece (3), during lifting valve plate (4), T-shaped piece described (3) are plugged in T-slot (41), described shaped as frame block (2) is fastened on the upper end of valve plate (4), and in T-shaped piece (3) are clamped in, described suspension ring (1) lower end is connected to bolt (11), after described bolt (11) runs through shaped as frame block (2) from top to bottom, it is threaded on T-shaped piece (3).
2. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterized in that, the end face of described valve plate (4) is horizontal plane, and described T-slot (41) upper end extends to the end face of valve plate (4).
3. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterized in that, T-shaped piece described (3) and the structure of T-slot (41) are with equivalently-sized, T-shaped piece described (3) be connected to T-slot (41) interior time, the either flush of T-shaped piece of described (3) upper surface and valve plate (4), the thickness of T-shaped piece described (3) is identical with the thickness of valve plate (4) upper end.
4. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterised in that the upper end center place of T-shaped piece described (3) offers the screwed hole (31) that bolt (11) is threaded.
5. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterized in that, described shaped as frame block (2) includes a top board (21) and two side plates (22) being vertically connected on top board (21) both sides, and the spacing between two side plates (22) is identical with the thickness of T-shaped piece (3).
6. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 5, it is characterised in that the center of described top board (21) offers the through hole (23) through so that bolt (11).
7. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterised in that be welded with leveling plates (12) between described suspension ring (1) and bolt (11).
8. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterised in that described shaped as frame block (2) and T-shaped piece (3) are by No. 45 steel processing and fabricatings.
9. a kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device according to claim 1, it is characterised in that Special sling ring selected by described suspension ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820542.3A CN105775996B (en) | 2014-12-25 | 2014-12-25 | A kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820542.3A CN105775996B (en) | 2014-12-25 | 2014-12-25 | A kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105775996A true CN105775996A (en) | 2016-07-20 |
| CN105775996B CN105775996B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410820542.3A Active CN105775996B (en) | 2014-12-25 | 2014-12-25 | A kind of used in nuclear power station heavy-caliber gate valve valve plate lifting device |
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| Country | Link |
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| CN (1) | CN105775996B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627552A (en) * | 2020-12-24 | 2021-04-09 | 四川国泰高新管廊产业投资有限公司 | Lifting hook and anchoring piece capable of drawing assembly type building materials at any angle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006096476A (en) * | 2004-09-28 | 2006-04-13 | Bbm:Kk | Hoisting accessory |
| CN201376841Y (en) * | 2009-04-07 | 2010-01-06 | 广西玉柴机器股份有限公司 | Sling for engine cylinder cover to process fuel injector hole |
| CN202558446U (en) * | 2012-04-19 | 2012-11-28 | 山东恒涛节能环保有限公司 | Detachable hoisting device |
| CN203545430U (en) * | 2013-11-26 | 2014-04-16 | 豪利机械(苏州)有限公司 | Lifting appliance for T-type workpieces |
| CN103950833A (en) * | 2014-05-19 | 2014-07-30 | 中国海洋石油总公司 | Hoisting device for flange being less than 50 kilograms |
| CN204369417U (en) * | 2014-12-25 | 2015-06-03 | 中电华元核电工程技术有限公司 | Used in nuclear power station heavy-caliber gate valve valve plate lifting device |
-
2014
- 2014-12-25 CN CN201410820542.3A patent/CN105775996B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006096476A (en) * | 2004-09-28 | 2006-04-13 | Bbm:Kk | Hoisting accessory |
| CN201376841Y (en) * | 2009-04-07 | 2010-01-06 | 广西玉柴机器股份有限公司 | Sling for engine cylinder cover to process fuel injector hole |
| CN202558446U (en) * | 2012-04-19 | 2012-11-28 | 山东恒涛节能环保有限公司 | Detachable hoisting device |
| CN203545430U (en) * | 2013-11-26 | 2014-04-16 | 豪利机械(苏州)有限公司 | Lifting appliance for T-type workpieces |
| CN103950833A (en) * | 2014-05-19 | 2014-07-30 | 中国海洋石油总公司 | Hoisting device for flange being less than 50 kilograms |
| CN204369417U (en) * | 2014-12-25 | 2015-06-03 | 中电华元核电工程技术有限公司 | Used in nuclear power station heavy-caliber gate valve valve plate lifting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627552A (en) * | 2020-12-24 | 2021-04-09 | 四川国泰高新管廊产业投资有限公司 | Lifting hook and anchoring piece capable of drawing assembly type building materials at any angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105775996B (en) | 2018-03-09 |
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