CN104370204A - Lifting tool and method thereof - Google Patents
Lifting tool and method thereof Download PDFInfo
- Publication number
- CN104370204A CN104370204A CN201410615359.XA CN201410615359A CN104370204A CN 104370204 A CN104370204 A CN 104370204A CN 201410615359 A CN201410615359 A CN 201410615359A CN 104370204 A CN104370204 A CN 104370204A
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- China
- Prior art keywords
- hanging block
- water chamber
- chamber head
- boss
- base plate
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a lifting tool used for lifting a water chamber seal head. The lifting tool comprises lifting blocks, shackles and a lifting device, wherein the lifting blocks are connected with a boss of the water chamber seal head; the shackles are connected with the lifting blocks; the lifting device is connected with the shackles by virtue of a steel wire rope; each lifting block comprises a bottom plate, a first ribbed plate, a second ribbed plate and a lifting lug plate; each first ribbed plate is vertically arranged at a middle part of the first surface of the bottom plate; each second ribbed plate is vertically arranged at a middle part of the second surface of the bottom plate; the second surface of the bottom plate is an opposite side of the first surface; the second surface of the bottom plate is connected with the boss of the water chamber seal head; each lifting lug plate is connected with one end of the bottom plate; multiple bolted holes are formed in the edge at the other end of the bottom plate; the lifting lug plates and the bolted holes are distributed on two sides of the first ribbed plates; and lifting lug holes are formed in the lifting lug plates and are connected with the shackles. The invention also discloses a lifting method. The lifting tool and the lifting method which are disclosed by the invention have the characteristics of convenience in operation, safety, reliability and small damage to products.
Description
Technical field
The present invention relates to nuclear power generating equipment processing and manufacturing field, be specifically related to a kind of hoisting tooling and method thereof.
Background technology
Steam generator is the key equipment of one loop of nuclear power station, its function is that the heat of catalyst carrier in reactor is passed to secondary circuit, secondary circuit is made to produce the steam of certain pressure, with pushing turbine work, catalyst carrier in steam generator is with radioactivation, and the radioactivation effect that intercepts, heat conduction again had both been played in the connection of tube-to-tube sheet connection.No matter be that in the steam generator manufacture of which kind of heap-type, water chamber head is all necessary with welding of tube-tube plate place.Therefore, in nuclear power generating equipment processing and manufacturing, whether water chamber head welds with tube-tube plate place can meet technical requirements, how can align accurately and effectively, seem particularly important during assembling.
Summary of the invention
The object of the present invention is to provide a kind of hoisting tooling and method thereof, there is easy to operate, safe and reliable, less to damaged products feature, can need to provide during hoisting and overturning water chamber head good guarantee in operations such as bonding machine processing, cost-saving, be a kind of desirable use instrument.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of hoisting tooling, for lifting by crane water chamber head, being characterized in, comprising
Hanging block, connects the boss of described water chamber head;
Shackle connects described hanging block;
Lifting appliance, is connected by a steel rope with described shackle;
Wherein, described hanging block comprises a base plate;
First gusset, is vertically arranged on the middle part of base plate first surface;
Second gusset, is vertically arranged on the middle part of base plate second surface;
Described base plate second surface is the reverse side of first surface, and described base plate second surface is connected with the boss of described water chamber head;
Shackle plate, connects one end of described base plate, and the edge, the other end of base plate is provided with multiple bolt hole;
Described shackle plate and bolt hole are distributed in the both sides of the first gusset;
Described shackle plate is provided with hanger hole;
Described hanger hole connects described shackle.
Described hanging block comprises positioning bolt hole further;
Described positioning bolt hole is arranged on to be told between the first gusset and shackle plate.
Described hanging block comprises two of being arranged on base plate first surface further and puts bar, puts bar for described two and is arranged between the first gusset and shackle plate;
Put the both sides that bar is symmetricly set on positioning bolt hole for described two, and vertical with described first gusset.
Described hanging block comprises two connecting panels being arranged on base plate first surface further, and respectively with the first link of boards, the other end extends to shackle plate;
Two described connecting panels are symmetricly set on the both sides that two are put bar, and vertical with described first gusset.
Described hanging block comprises two space bars being arranged on base plate second surface further, and respectively with the second link of boards, the other end extends to shackle plate;
Two described space bars are symmetricly set on the both sides of positioning bolt hole, and vertical with described second gusset.
Described hanging block comprises two stay bearing plates being arranged on base plate second surface further, and respectively with the second link of boards, the other end extends to the end of base plate second surface;
Two described stay bearing plates are symmetricly set on the both sides of multiple bolt hole, and vertical with described second gusset;
Described two stay bearing plates are respectively equipped with jogger hole;
Arrange a baffler further between described two stay bearing plates, described baffler is arranged on the second gusset.
Described hanging block comprises the first web being arranged on base plate second surface further;
The first described web is arranged on the correspondence position of multiple bolt hole, and offers the through hole corresponding with bolt hole;
The first described web is arranged between two stay bearing plates;
Second web, correspondingly with described first web is arranged on base plate first surface.
Hoisting tooling comprises push rod further; Push rod is arranged in jogger hole, its nut and supporting member of comprising a bolt and arranging bolt both ends respectively;
One thin nut, is set on bolt, is arranged between nut and supporting member.
A kind of handling method, for lifting by crane water chamber head and tube sheet barrel soldering, being characterized in, comprising following steps:
Select the quantity of hanging block according to the quantity of water chamber head boss, and respectively each hanging block is connected with the boss of water chamber head;
Multiple shackle is penetrated in the hanger hole of each hanging block respectively, then is inserted in steel rope, hang on lifting appliance and lift by crane; Wherein, the Connection Step of described hanging block and water chamber head boss comprises;
Adopt multiple bolt to be each passed through bolt hole on base plate, tight a bolt, fix with the boss of water chamber head;
Be screwed into by push rod in jogger hole, supporting member withstood the end face of water chamber head boss, Rotational Thin nut eliminates the gap between hanging block and water chamber head boss.
A kind of handling method, carrying out machinework for lifting by crane water chamber head, being characterized in, comprising following steps:
Select the quantity of hanging block according to the quantity of water chamber head boss, and respectively the second surface of each hanging block is connected with the boss of water chamber head;
Multiple shackle is penetrated in the hanger hole of each hanging block respectively, then is inserted in steel rope, hang on lifting appliance and lift by crane;
Be placed on the base of machining apparatus by the second surface of hanging block, to put bar for reference plane, adjustment hanging block makes the upper plane of water chamber head be horizontal;
Fixing screw is screwed in positioning bolt hole, the base of hanging block and machining apparatus is fixed;
Wherein, the Connection Step of described hanging block and water chamber head boss comprises;
Adopt multiple bolt to be each passed through bolt hole on base plate, tight a bolt, fix with the boss of water chamber head;
Be screwed into by push rod in jogger hole, supporting member withstood the end face of water chamber head boss, Rotational Thin nut eliminates the gap between hanging block and water chamber head boss.
A kind of hoisting tooling of the present invention and method thereof compared with prior art have the following advantages: utilize the boss on water chamber head, with bolt, hanging block is fixed on upper surface, the bolt of two sides carries out location and the adjustment of center, make screw uniform force safety, and by using the hanging block of installing varying number, the lifting of multiple position can be completed, have easy to operate, safe and reliable, the feature less to damaged products; Use safety, easy to operate, repeated usage, manufactures simple, the quantity of hanging block can be utilized to combine, and completes the lifting assembling needs of the working procedures such as welding and machinework; Hanging block local uses stainless steel material, both prevents ferrite pollution, and additionally reduces the difficulty of processing; Hanging block is arranged hanger hole, bolt hole, positioning bolt hole, can lift by crane, again can as the setting tool of machinework assembling and positioning; Push rod component utilizes the welding of screw bolt and nut to combine, and head adopts the active design of supporting member, makes to manufacture more convenient.
Accompanying drawing explanation
Fig. 1 is the integral structure schematic diagram of hanging block;
Fig. 2 is the integral structure schematic diagram of hanging block in embodiment;
Fig. 3 is the integral structure schematic diagram of push rod;
Fig. 4 is handling method of the present invention for the schematic diagram of water chamber head and tube sheet barrel soldering;
Fig. 5 is that handling method of the present invention is for the mach schematic diagram of water chamber head.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in Figures 1 and 2, a kind of hoisting tooling, for lifting by crane water chamber head 1, comprises hanging block 2, connects the boss of described water chamber head 1; Shackle 3 connects described hanging block 2; Lifting appliance, is connected by a steel rope 4 with described shackle; Wherein, described hanging block 2 comprises a base plate 21; First gusset 22, is vertically arranged on the middle part of base plate 21 first surface; Second gusset 23, is vertically arranged on the middle part of base plate 21 second surface; Described base plate 21 second surface is the reverse side of first surface, and described base plate 21 second surface is connected with the boss of described water chamber head 1; Shackle plate 24, connects one end of described base plate 21, and the edge, the other end of base plate is provided with multiple bolt hole 25; Described shackle plate 24 and bolt hole 25 are distributed in the both sides of the first gusset 22; Described shackle plate 21 is provided with hanger hole 241; Described hanger hole 241 connects described shackle 3.
Hanging block 2 comprises positioning bolt hole 26 further; Described positioning bolt hole 26 is arranged on to be told between the first gusset 22 and shackle plate 21.
Hanging block 2 comprises two of being arranged on base plate 21 first surface further and puts bar 27, puts bar 27 for described two and is arranged between the first gusset 22 and shackle plate 24; Put the both sides that bar 27 is symmetricly set on positioning bolt hole 26 for described two, and vertical with described first gusset 22.
Hanging block 2 comprises two connecting panels 28 being arranged on base plate 21 first surface further, and be connected with the first gusset 22 respectively, the other end extends to shackle plate 24; Two described connecting panels 28 are symmetricly set on the both sides that two are put bar 27, and vertical with described first gusset 22.
Hanging block 2 comprises two space bars 29 being arranged on base plate 21 second surface further, and be connected with the second gusset 23 respectively, the other end extends to shackle plate 24; Two described space bars 29 are symmetricly set on the both sides of positioning bolt hole 26, and vertical with described second gusset 23.
Hanging block 2 comprises two stay bearing plates 20 being arranged on base plate 21 second surface further, and be connected with the second gusset 23 respectively, the other end extends to the end of base plate 21 second surface; Two described stay bearing plates 20 are symmetricly set on the both sides of multiple bolt hole 25, and vertical with described second gusset 23; Described two stay bearing plates 20 are respectively equipped with jogger hole 201; Arrange a baffler 231 further between described two stay bearing plates 20, described baffler 231 is arranged on the second gusset 23, and baffler 231 is for avoiding ferrite pollution.
Hanging block 2 comprise further be arranged on base plate 21 second surface the first web 211, first web 211 for avoiding ferrite pollution; The first described web 211 is arranged on the correspondence position of multiple bolt hole 25, and offers the through hole corresponding with bolt hole 25; The first described web 211 is arranged between two stay bearing plates 20; Second web 212, correspondingly with described first web 211 is arranged on base plate 21 first surface.Adopt welding between each parts of hanging block 2, after having welded, carry out the process eliminated stress.
As shown in Figure 3, hoisting tooling comprises push rod 5 further; Push rod 5 is arranged in jogger hole 201, its nut 52 and supporting member 53 of comprising a bolt 51 and arranging bolt 51 both ends respectively; One thin nut 54, is set on bolt 51, is arranged between nut 52 and supporting member 53.Nut 52 adopts with bolt 51 and welds.The using method of push rod is, first removes supporting member 53, bolt 51 and nut 52 is screwed in hanging block 2 after one, is loaded on supporting member 53, rotates thin nut 54 in case push rod 5 is lax when stressed.The head threads of supporting member 53 is when being screwed into bolt 51, and after entering into the face of cylinder, supporting member 53 can rotate the side propping up water chamber head 1 boss freely.
As shown in Figure 4, a kind of handling method, welding with tube sheet cylindrical shell 8 for lifting by crane water chamber head 1, comprising following steps:
First by water chamber head 1, Open Side Down places, and selects the quantity of hanging block 2, and each hanging block 2 be connected with the boss of water chamber head 1 respectively according to the quantity of water chamber head 1 boss;
Multiple shackle 3 is penetrated respectively in the hanger hole 241 of each hanging block 2, then be inserted in steel rope 4, hang on lifting appliance and lift by crane;
Water chamber head 1 is winched to behind tube sheet cylindrical shell 8 joint, aim at the spot welding of groove welding locating piece and fix, then remove shackle 3 and steel rope 4;
Wherein, described hanging block 2 comprises with the Connection Step of water chamber head 1 boss;
Adopt multiple bolt to be each passed through bolt hole 25 on base plate 21, tight a bolt, fix with the boss of water chamber head 1, between water chamber head 1 boss both sides and hanging block 2, also have certain gap;
Be screwed into by push rod 5 in jogger hole 201, adjustment push rod 5 makes hanging block 2 mediate state, and tighten push rod 5, supporting member 53 is withstood the end face of water chamber head 1 boss, Rotational Thin nut 54 eliminates the gap between hanging block 2 and water chamber head 1 boss.
As shown in Figure 5, a kind of handling method, carrying out machinework (such as finished edge on vertical car) for lifting by crane water chamber head 1, comprising following steps:
First water chamber head 1 opening upwards is placed, select the quantity of hanging block 2 according to the quantity of water chamber head 1 boss, and respectively the second surface of each hanging block 2 is connected with the boss of water chamber head 1;
Multiple shackle 3 is penetrated respectively in the hanger hole 241 of each hanging block 2, then be inserted in steel rope 4, hang on lifting appliance and lift by crane;
Be placed on by the second surface of hanging block 2 on the base 71 of machining apparatus 7, to put bar 27 for reference plane, adjustment hanging block 2 makes the upper plane of water chamber head 1 be horizontal;
Fixing screw 6 is screwed in positioning bolt hole 26, the base 71 of hanging block 2 and machining apparatus 7 is fixed;
Remove shackle 3 and steel rope 4;
Wherein, described hanging block 2 comprises with the Connection Step of water chamber head 1 boss;
Adopt multiple bolt to be each passed through bolt hole 25 on base plate 21, tight a bolt, fix with the boss of water chamber head 1;
Be screwed into by push rod 5 in jogger hole 201, supporting member 53 withstood the end face of water chamber head 1 boss, Rotational Thin nut 54 eliminates the gap between hanging block 2 and water chamber head 1 boss.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a hoisting tooling, for lifting by crane water chamber head (1), is characterized in that, comprise
Hanging block (2), connects the boss of described water chamber head (1);
Shackle (3) connects described hanging block (2);
Lifting appliance, is connected by a steel rope (4) with described shackle;
Wherein, described hanging block (2) comprises a base plate (21);
First gusset (22), is vertically arranged on the middle part of base plate (21) first surface;
Second gusset (23), is vertically arranged on the middle part of base plate (21) second surface;
Described base plate (21) second surface is the reverse side of first surface, and described base plate (21) second surface is connected with the boss of described water chamber head (1);
Shackle plate (24), connects one end of described base plate (21), and the edge, the other end of base plate is provided with multiple bolt hole (25);
Described shackle plate (24) and bolt hole (25) are distributed in the both sides of the first gusset (22);
Described shackle plate (21) is provided with hanger hole (241);
Described hanger hole (241) connects described shackle (3).
2. hoisting tooling as claimed in claim 1, it is characterized in that, described hanging block (2) comprises positioning bolt hole (26) further;
Described positioning bolt hole (26) is arranged on to be told between the first gusset (22) and shackle plate (21).
3. hoisting tooling as claimed in claim 2, it is characterized in that, described hanging block (2) comprises two of being arranged on base plate (21) first surface further and puts bar (27), puts bar (27) for described two and is arranged between the first gusset (22) and shackle plate (24);
Put the both sides that bar (27) is symmetricly set on positioning bolt hole (26) for described two, and vertical with described first gusset (22).
4. hoisting tooling as claimed in claim 3, it is characterized in that, described hanging block (2) comprises two connecting panels (28) being arranged on base plate (21) first surface further, and be connected with the first gusset (22) respectively, the other end extends to shackle plate (24);
Two described connecting panels (28) are symmetricly set on the both sides that two are put bar (27), and vertical with described first gusset (22).
5. hoisting tooling as claimed in claim 2, it is characterized in that, described hanging block (2) comprises two space bars (29) being arranged on base plate (21) second surface further, and be connected with the second gusset (23) respectively, the other end extends to shackle plate (24);
Two described space bars (29) are symmetricly set on the both sides of positioning bolt hole (26), and vertical with described second gusset (23).
6. hoisting tooling as claimed in claim 5, it is characterized in that, described hanging block (2) comprises two stay bearing plates (20) being arranged on base plate (21) second surface further, and be connected with the second gusset (23) respectively, the other end extends to the end of base plate (21) second surface;
Two described stay bearing plates (20) are symmetricly set on the both sides of multiple bolt hole (25), and vertical with described second gusset (23);
Described two stay bearing plates (20) are respectively equipped with jogger hole (201);
Arrange a baffler (231) further between described two stay bearing plates (20), described baffler (231) is arranged on the second gusset (23).
7. hoisting tooling as claimed in claim 6, it is characterized in that, described hanging block (2) comprises the first web (211) being arranged on base plate (21) second surface further;
Described the first web (211) is arranged on the correspondence position of multiple bolt hole (25), and offers the through hole corresponding with bolt hole (25);
Described the first web (211) is arranged between two stay bearing plates (20);
Second web (212), correspondingly with described first web (211) is arranged on base plate (21) first surface.
8. hoisting tooling as claimed in claim 6, is characterized in that, comprise push rod (5) further;
Push rod (5) is arranged in jogger hole (201), its nut (52) and supporting member (53) of comprising a bolt (51) and arranging bolt (51) both ends respectively;
One thin nut (54), is set on bolt (51), is arranged between nut (52) and supporting member (53).
9. a handling method, for lifting by crane water chamber head (1) and tube sheet barrel soldering, is characterized in that, comprise following steps:
Select the quantity of hanging block (2) according to the quantity of water chamber head (1) boss, and respectively the boss of each hanging block (2) with water chamber head (1) is connected;
Multiple shackle (3) is penetrated in the hanger hole (241) of each hanging block (2) respectively, then is inserted in steel rope (4), hang on lifting appliance and lift by crane; Wherein, described hanging block (2) comprises with the Connection Step of water chamber head (1) boss;
Adopt multiple bolt to be each passed through bolt hole (25) on base plate (21), tight a bolt, fix with the boss of water chamber head (1);
Be screwed into by push rod (5) in jogger hole (201), supporting member (53) withstood the end face of water chamber head (1) boss, Rotational Thin nut (54) eliminates the gap between hanging block (2) and water chamber head (1) boss.
10. a handling method, carrying out machinework for lifting by crane water chamber head (1), it is characterized in that, comprise following steps:
Select the quantity of hanging block (2) according to the quantity of water chamber head (1) boss, and respectively the boss of the second surface of each hanging block (2) with water chamber head (1) is connected;
Multiple shackle (3) is penetrated in the hanger hole (241) of each hanging block (2) respectively, then is inserted in steel rope (4), hang on lifting appliance and lift by crane;
Be placed on the base of machining apparatus by the second surface of hanging block (2), to put bar (27) for reference plane, adjustment hanging block (2) makes the upper plane of water chamber head (1) be horizontal;
Fixing screw (6) is screwed in positioning bolt hole (26), the base of hanging block (2) and machining apparatus is fixed;
Wherein, described hanging block (2) comprises with the Connection Step of water chamber head (1) boss;
Adopt multiple bolt to be each passed through bolt hole (25) on base plate (21), tight a bolt, fix with the boss of water chamber head (1);
Be screwed into by push rod (5) in jogger hole (201), supporting member (53) withstood the end face of water chamber head (1) boss, Rotational Thin nut (54) eliminates the gap between hanging block (2) and water chamber head (1) boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615359.XA CN104370204B (en) | 2014-11-05 | 2014-11-05 | A kind of hoisting tooling and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410615359.XA CN104370204B (en) | 2014-11-05 | 2014-11-05 | A kind of hoisting tooling and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104370204A true CN104370204A (en) | 2015-02-25 |
| CN104370204B CN104370204B (en) | 2016-08-17 |
Family
ID=52549452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410615359.XA Active CN104370204B (en) | 2014-11-05 | 2014-11-05 | A kind of hoisting tooling and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104370204B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214460A (en) * | 2017-06-30 | 2017-09-29 | 上海江南长兴造船有限责任公司 | A kind of auxiliary mould installed for ship floor and its application method |
| CN107500105A (en) * | 2017-08-23 | 2017-12-22 | 苏州达力客自动化科技有限公司 | Chaining block |
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| US4989818A (en) * | 1989-06-13 | 1991-02-05 | Tennessee Valley Authority | Nozzle dam remote installation system and technique |
| CN201501728U (en) * | 2009-05-07 | 2010-06-09 | 中国石油天然气第一建设公司 | Hoisting cover device for lubricating and hoisting of hanging shaft of large equipment |
| CN201722059U (en) * | 2010-04-15 | 2011-01-26 | 江苏长征风力发电设备有限公司 | Vertical hoisting tool for pitch bearing of direct-drive permanent magnet wind generator |
| CN102659019A (en) * | 2012-06-01 | 2012-09-12 | 中国核工业第五建设有限公司 | Special lifting appliance for steel containment cover head in nuclear power station nuclear island and lifting method thereof |
| CN204224075U (en) * | 2014-11-05 | 2015-03-25 | 上海电气核电设备有限公司 | A kind of hoisting tooling |
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2014
- 2014-11-05 CN CN201410615359.XA patent/CN104370204B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4989818A (en) * | 1989-06-13 | 1991-02-05 | Tennessee Valley Authority | Nozzle dam remote installation system and technique |
| CN201501728U (en) * | 2009-05-07 | 2010-06-09 | 中国石油天然气第一建设公司 | Hoisting cover device for lubricating and hoisting of hanging shaft of large equipment |
| CN201722059U (en) * | 2010-04-15 | 2011-01-26 | 江苏长征风力发电设备有限公司 | Vertical hoisting tool for pitch bearing of direct-drive permanent magnet wind generator |
| CN102659019A (en) * | 2012-06-01 | 2012-09-12 | 中国核工业第五建设有限公司 | Special lifting appliance for steel containment cover head in nuclear power station nuclear island and lifting method thereof |
| CN204224075U (en) * | 2014-11-05 | 2015-03-25 | 上海电气核电设备有限公司 | A kind of hoisting tooling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214460A (en) * | 2017-06-30 | 2017-09-29 | 上海江南长兴造船有限责任公司 | A kind of auxiliary mould installed for ship floor and its application method |
| CN107214460B (en) * | 2017-06-30 | 2019-01-04 | 上海江南长兴造船有限责任公司 | A kind of auxiliary mould and its application method for the installation of ship floor |
| CN107500105A (en) * | 2017-08-23 | 2017-12-22 | 苏州达力客自动化科技有限公司 | Chaining block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104370204B (en) | 2016-08-17 |
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