CN209402380U - Sealing bearing bush support adjusts tool - Google Patents

Sealing bearing bush support adjusts tool Download PDF

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Publication number
CN209402380U
CN209402380U CN201920275150.1U CN201920275150U CN209402380U CN 209402380 U CN209402380 U CN 209402380U CN 201920275150 U CN201920275150 U CN 201920275150U CN 209402380 U CN209402380 U CN 209402380U
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CN
China
Prior art keywords
adjusting rod
bearing bush
sealing bearing
bush support
tool
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Application number
CN201920275150.1U
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Chinese (zh)
Inventor
苑令辉
张亚辉
郭孟磊
周党峰
阮冰
李美映
覃思礼
罗雪理
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
CGN Power Co Ltd
China Nuclear Power Operation Co Ltd
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China General Nuclear Power Corp
CGN Power Co Ltd
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Priority to CN201920275150.1U priority Critical patent/CN209402380U/en
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Abstract

The utility model relates to a kind of sealing bearing bush supports to adjust tool, including tool seat, the first adjusting rod connecting with tool seat, the second adjusting rod connecting with the first adjusting rod.Tool seat includes side the first transfer block, the second transfer block that vertically extends of the other side of main body that vertically extend of main part, main body, forms clamp port between the first transfer block and main part.First adjusting rod connect with the first transfer block and extends to the direction far from clamp port, and the second adjusting rod extends from the first adjusting rod to the direction far from clamp port.The sealing bearing bush support adjusts tool, the outer operation of generator thorax may be implemented, security effectiveness is high, and save the cost is good in economic efficiency.

Description

Sealing bearing bush support adjusts tool
Technical field
The utility model relates to nuclear power station machinery maintenance mounting technique fields, more particularly to a kind of sealing bearing bush support Adjustment tool.
Background technique
The two end axles Seal Design of generator of nuclear power station is double-current single-ring seal watt, to prevent in generator outside hydrogen It overflows, sealing bearing bush is arranged in sealing bearing bush support in watt slot, and sealing bearing bush support is mounted on end cap by bolt and is insulated with end cap Sealing.When generator is run, pressure seal oil enters shape between sealing bearing bush and hair generator amature by the runner in sealing bearing bush At radial oil catch gap, to play sealing function.Then Seal Oil is discharged along axial direction from two opposite directions, arranges to side Seal Oil out is mixed with generator shaft bearing lubrication oil, to the other side be discharged Seal Oil by sealing bearing bush support oil retainer into Row throttling and gear oil.
But axial gap and sealing bearing bush and generator amature between the sealing bearing bush of generator and sealing bearing bush branch seat slot Between radial clearance it is smaller.And the radial clearance between sealing bearing bush support oil catch and hair generator amature is larger, therefore adjusts It measures sometimes also larger.When adjusting sealing bearing bush support oil catch gap, misoperation is possible to cause sealing bearing bush bite, at this time It only removes sealing bearing bush support to ressemble, influences duration and cumbersome.It can be seen that the adjustment work in sealing bearing bush support oil catch gap Work has critical influence to sealing bearing bush and entire generator.
The outside of existing nuclear power generator sealing bearing bush support only has the groove for locking bolt, not can for travelling crane hook or The fulcrum of personnel's lift to move can not be adjusted work on the outside.Adjustment need of work personnel carry tool and enter in generator thorax, It is related to container operation, generator space is extremely narrow and insufficient light, such staff are inevitable for a long time in container Interior, high risk exists always, and there is also the risks that foreign matter is introduced for generator.And personnel enter generator and need to wear shoes Set, generator thorax is interior without preferable foothold and support stress point, and easily cunning falls the damage for causing personnel and electrical equipment.
Utility model content
Based on this, it is necessary to the adjustment of generator sealing bearing bush support there are aiming at the problem that, provide a kind of convenient in generator The high sealing bearing bush support of the outer operation of thorax, security effectiveness adjusts tool.
A kind of sealing bearing bush support adjustment tool, comprising: tool seat, the first adjusting rod being connect with the tool seat and institute State the second adjusting rod of the first adjusting rod connection;The tool seat includes main part, extends vertically from the side of the main part The first transfer block out, the second transfer block vertically extended from the other side of the main part, first transfer block and institute It states and forms clamp port between main part;First adjusting rod connect with first transfer block and to far from the clamp port Direction extends;Second adjusting rod extends from first adjusting rod to the direction far from the clamp port.
Above-mentioned sealing bearing bush support adjusts tool, comprising: tool seat, the first adjusting rod connecting with tool seat are adjusted with first Second adjusting rod of pole connection.In use, the second adjusting rod is screwed in the first adjusting rod, then the first adjusting rod is screwed in into work Have in seat, minimizes the size of entire sealing bearing bush support adjustment tool, convenient for being put into groove.Later by sealing bearing bush support Adjustment tool is put into groove, and clamp port is abutted with recess edge, sealing bearing bush support outer, is first adjusted the first adjusting rod and is adjusted again Second adjusting rod, until the second adjusting rod and the complete dieback of groove, sealing bearing bush support adjustment tool and sealing bearing bush support connect at this time Integrally.Fulcrum can be formed in the outside of sealing bearing bush support in this way, it can be by jacking apparatus on the outside to sealing bearing bush support It is adjusted, avoids operation in thorax, it is safe and efficient.
The tool seat further includes reinforcement block in one of the embodiments, the side of the reinforcement block and the main body Portion's connection, the other side of the reinforcement block is connect with second transfer block.
The rectangular triangle setting of the reinforcement block in one of the embodiments,.
Second transfer block is equipped with stress slot in one of the embodiments, and the stress slot position is in described second On the bottom of transfer block.
First transfer block is equipped with the first threaded hole in one of the embodiments, sets on first adjusting rod There is the first threaded portion, the first adjusting rod bar passes through first threaded portion, the first threaded hole and the first transfer block spiral shell Line connection.
First adjusting rod is equipped with the first clamping portion in one of the embodiments,.
First adjusting rod is equipped with the second threaded hole in one of the embodiments, sets on second adjusting rod There is the second threaded portion, second adjusting rod passes through second threaded portion, the second threaded hole and the first adjusting rod screw thread Connection.
Second adjusting rod is equipped with the second clamping portion in one of the embodiments,.
Extending direction and the main part phase of first adjusting rod, the second adjusting rod in one of the embodiments, Mutually it is arranged in parallel.
The main part is equipped with arcwall face in one of the embodiments, and it is remote that the arcwall face is located at the main part On one end from second transfer block.
Detailed description of the invention
Fig. 1 is that the sealing bearing bush support of the utility model adjusts the schematic diagram of tool;
Fig. 2 is the decomposition diagram that sealing bearing bush support shown in Fig. 1 adjusts tool;
Fig. 3 is the schematic diagram of sealing bearing bush support;
Fig. 4 is the schematic diagram of generator sealing device oil circuit;
Fig. 5 is the schematic cross-section of generator amature.
Attached drawing mark explanation:
100- sealing bearing bush support adjusts tool, 20- tool seat, 21- main part, the first transfer block of 22-, the switching of 23- second Block, 24- clamp port, 25- reinforcement block, 26- arcwall face, the first threaded hole of 27-, 28- stress slot, the first adjusting rod of 30-, 31- One threaded portion, the first clamping portion 32-, the second threaded hole of 33-, the second adjusting rod of 40-, the second threaded portion 41-, 42- second are clamped Portion, 50- sealing bearing bush support, 51- groove, 52- oil catch, 53- sky side seal oil oil inlet path, 54- hydrogen-side seal oil oil inlet path, 55- sky side oil return opening, 56- hydrogen side oil return opening, 60- generator amature, 61- radial top, 62- radial direction bottom, 63- are radial most left Side, 64- radial direction rightmost side portion, 70- bearing, 80- sealing bearing bush.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model The understanding for opening content is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.In addition, the terms "and/or", only a kind of description is closed Join the incidence relation of object, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A is deposited simultaneously In A and B, these three situations of individualism B.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, for example, "inner", "outside", "left", "right" and similar statement simply to illustrate that Purpose is not intended in limitation the utility model.
Fig. 1 to Fig. 5 is please referred to, is that the sealing bearing bush support of the utility model adjusts tool 100, which adjusts work Tool 100 includes tool seat 20, the first adjusting rod 30 connecting with tool seat 20, the second adjusting rod connecting with the first adjusting rod 30 40。
Refer again to Fig. 3 to Fig. 5, sealing bearing bush support adjustment tool 100 is placed on the groove of sealing bearing bush support 50 by when use It is fixed in 51, cooperate jacking apparatus, clearance gauge, dial gauge to be adjusted work later.Wherein sealing bearing bush support 50 is equipped with groove 51, groove 51 leads to bolt target convenient for the two-piece unit of sealing bearing bush support 50 and closes, and spatial distribution is reasonable.Sealing bearing bush support 50 is equipped with Oil, 52, oil catch 52 and the outer wall for the generator amature 60 being mounted on bearing 70 have certain gap, wherein generator amature 60 Outer wall point have radial top 61, radial bottom 62, radial leftmost side portion 63 and radial rightmost side portion 64.Seal Oil passes through sealing Empty side seal oil oil inlet path 53 and hydrogen-side seal oil oil inlet path 54 inside watt support 50 enter sealing bearing bush 80.Flow through sky side After the Seal Oil in Seal Oil oil inlet path 53 passes through in the radial clearance between sealing bearing bush 80 and generator amature 60, in empty side Oil return opening 55 and generator shaft bearing lubrication oil mixing oil return.The Seal Oil in hydrogen-side seal oil oil inlet path 54 is flowed through from sealing bearing bush 80 After passing through in radial clearance between generator amature 60, by 56 oil return of hydrogen side oil return opening.
The tool seat 20 include main part 21, main body 21 side vertically extend the first transfer block 22, from The second transfer block 23 that the other side of main part 21 vertically extends, forms clamp port between the first transfer block 22 and main part 21 24, in the stability under loading of sealing bearing bush support 50 when ensure that tool seat 20 is used by 24 structure of clamp port.Further, tool Seat 20 further includes reinforcement block 25, and the side of reinforcement block 25 is connect with main part 21, the other side of reinforcement block 25 and the second transfer block 23 connections, the setting of the rectangular triangle of reinforcement block 25, more preferably reinforcement block 25 is isosceles right triangle.Pass through reinforcement block 25 Setting can submit 20 stress intensity of tool seat, will not deformation occurs when guaranteeing to accept entire sealing bearing bush support 50.Further, Main part 21 is equipped with arcwall face 26, and arcwall face 26 is located on the one end of main part 21 far from the second transfer block 23, curved portion 26 Improve safety, avoid using when scratch.Further, the first transfer block 22 is equipped with the first threaded hole 27, the first threaded hole 27 for installing the first adjusting rod 30.Further, the second transfer block 23 is equipped with stress slot 28, and stress slot 28 is located at second turn On the bottom for connecing block 23, by the setting of stress slot 28 convenient for jacking apparatus alignment, stablize when being contacted with the second transfer block 23, no It will appear and slip and fall off phenomenon.
First adjusting rod 30 connect with the first transfer block 22 and extends to the direction far from clamp port 24, and first is adjusted Bar 30 and main part 21 are arranged in parallel.Further, the first adjusting rod 30 is equipped with the first threaded portion 31, the first adjusting rod 30 are threadedly coupled by the first threaded portion 31, the first threaded hole 27 in the first link block 22.Further, on the first adjusting rod 30 Equipped with the first clamping portion 32, the first clamping portion 32 is in six prismatic structures, is adjusted convenient for Forced rotation.Further, it first adjusts Bar 30 is equipped with the second threaded hole 33, and the second threaded hole 33 is for installing the second adjusting rod 40.
Second adjusting rod 40 extends from the first adjusting rod 30 to the direction far from clamp port 24, the second adjusting rod 40 with Main part 21 is arranged in parallel.Wherein the second adjusting rod 40 is equipped with the second threaded portion 41, and the second adjusting rod 40 passes through the second screw thread Portion 41, the second threaded hole 33 are threadedly coupled with the first adjusting rod 30.Further, the second adjusting rod 40 is equipped with the second clamping portion 42, the second clamping portion 42 is in six prismatic structures, is adjusted convenient for Forced rotation.
Above-mentioned sealing bearing bush support adjusts tool 100, comprising: tool seat 20, the first adjusting rod 30 being connect with tool seat 20, The second adjusting rod 40 being connect with the first adjusting rod 30.In use, the second adjusting rod 40 is screwed in the first adjusting rod 30, then will Second adjusting rod 40 screws in tool seat 20, minimizes the size of entire sealing bearing bush support adjustment tool 100, convenient for being put into In groove 51.Sealing bearing bush support adjustment tool 100 is put into groove 51 later, clamp port 24 and 51 edge of groove, sealing bearing bush It is abutted on the outside of support 50, first adjusts the first adjusting rod 30 and adjust the second adjusting rod 40 again, until the second adjusting rod 40 and groove 51 Complete dieback, the tool 100 of sealing bearing bush support adjustment at this time are connected with sealing bearing bush support 50.It in this way can be in sealing bearing bush support 50 outside forms fulcrum, can be adjusted on the outside to sealing bearing bush support 50 by jacking apparatus, avoid operation in thorax, work It is good to make environment, without uncertain factor, security effectiveness is high.
The utility model also provides the sealing bearing bush support method of adjustment based on above-mentioned sealing bearing bush support adjustment tool 100, Include the following steps:
Jacking apparatus (preferably high-precision hydraulic jack), dial gauge and clearance gauge are provided, by two sealing bearing bush support tune Whole tool 100 protrudes into the groove 51 of corresponding sealing bearing bush support 50 and fixed.Guarantee to pass through the first adjusting rod 30, second when fixed Adjusting rod 40 will not loosen the sealing bearing bush support adjustment complete dieback of tool 100 in groove 51, and guarantee clamp port 24 fit closely with the contact surface of sealing bearing bush support 50.
By between 60 radial top 61 of oil catch 52 and generator amature of clearance gauge measurement sealing bearing bush support 50, radial bottom 62 Actual gap, and combine mark interstice coverage release adjustment interstice coverage.Wherein between oil catch 52 and motor radial top 61 Standard clearance is 0.95mm-1.10mm, when actual gap is less than 0.95mm, between should arriving the upward straightening of sealing bearing bush support 50 Gap is fallen into 0.95mm-1.10mm, such as actual gap is 0.8mm, then the adjustment interstice coverage raised is 0.15mm- 0.30mm.When actual gap is greater than 1.10mm, the downward straightening of sealing bearing bush support 50 should be fallen into 0.95mm- to gap In 1.10mm, for example, actual gap be 1.20mm when, then the adjustment interstice coverage lowered be 0.10mm-0.25mm.
Dial gauge is installed on sealing bearing bush support 50, the measuring head of dial gauge is perpendicularly oriented to 60 top of generator amature, Dial gauge is returned to zero, and percentage meter reading changing value range is obtained according to adjustment interstice coverage.For example, actual gap is 0.8mm, The adjustment interstice coverage so raised is 0.15mm-0.30mm, and the reading changing value range of dial gauge is to reduce 0.15mm- 0.30mm.Such as actual gap be 1.20mm when, then the adjustment interstice coverage lowered be 0.10mm-0.25mm, dial gauge Reading changing value range is to increase 0.10mm-0.25mm.Wherein the installation of dial gauge is adsorbed on by the magnet base of dial gauge On sealing bearing bush support 50, this mounting means is easy to operate practical.
Two jacking apparatus are placed on 70 split of bearing immediately below sealing bearing bush support adjustment tool 100, and are adjusted Section jacking apparatus is abutted with corresponding second transfer block 23.Specific jacking apparatus and penetrate in stress slot 28 with the second switching Block 23 abuts.
The bolt that sealing bearing bush support 50 is connect with generator's cover is rotated to relaxed state, sealing bearing bush support 50 is supported On jacking apparatus.
Two jacking apparatus are adjusted according to actual gap into jacking simultaneously or decline, and observe the reading variation of dial gauge Value, locks jacking apparatus when the reading changing value of dial gauge is fallen within the scope of percentage meter reading changing value.For example, actual gap For 0.8mm, then the adjustment interstice coverage raised is 0.15mm-0.30mm, jacking apparatus drives sealing bearing bush support 50 when adjustment Slowly rise, locks jacking apparatus when the reading changing value of dial gauge is fallen into 0.15mm-0.30mm.Such as actual gap When for 1.20mm, then the adjustment interstice coverage lowered is 0.10mm-0.25mm, adjustment is that jacking apparatus drives sealing bearing bush support 50 slowly declines, lock jacking apparatus when the reading changing value of dial gauge is fallen into 0.10mm-0.25mm.The step it is same When with clearance gauge measurement generator amature 60 radial bottom 62 and oil catch 52 gap, guarantee gap in 0.10mm-0.15mm.
The locking of sealing bearing bush support 50 generator end is mounted on by bolt to cover.
It is carried out while jacking or declining to adjust according to actual gap in two jacking apparatus in one of the embodiments, Before, two monitoring dial gauges are installed on the horizontal radial of sealing bearing bush support 50, the measuring head of one of monitoring dial gauge with The radial leftmost side portion 63 of generator amature 60 abuts, the measuring head of another monitoring dial gauge and the radial direction of generator amature 60 Rightmost side portion 64 abuts.During jacking apparatus jacking can be observed in real time or decline by the setting of the two monitoring dial gauges The left and right sides monitors the numerical value change of dial gauge, avoids two jacking apparatus jackings or declines different bring horizontal displacement shadows It rings.Wherein this method further includes the radial leftmost side portion 63 for measuring generator amature 60 respectively with clearance gauge, radial rightmost side portion 64 With the radial clearance of the oil catch 52 of sealing bearing bush support 50, and judge whether be located at standard clearance within the scope of.Wherein generator amature 60 radial leftmost side portion 63, radial rightmost side portion 64 and the standard clearance range of oil catch 52 are 0.55mm-0.60mm, work as radial direction Gap not within this range when adjust in time.
Following benefit is brought by the sealing bearing bush support method of adjustment:
1. for from safety, the risk of operation in container can be substantially reduced, avoid introducing foreign matter as generator Risk, all adjustment work can be carried out in generator external, will mitigate the burden of operational staff significantly;
2. qualitatively, since new tool has fully considered the shape and stress condition of sealing bearing bush support 50, but it is logical Jacking apparatus to be crossed to accomplish to be precisely controlled, bilateral symmetry, uniform force, it is firm to support, and it adjusts primary successfully probability and greatly improves, Precision is effectively controlled;
3. new tool can accomplish with dress with, operate it is extremely simple, in installation and maintenance for critical path save the plenty of time, It provides quality goods or brilliant and contributes for the installation and maintenance duration, while decreasing human input.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of sealing bearing bush support adjusts tool characterized by comprising tool seat, first connect with the tool seat are adjusted Pole, the second adjusting rod being connect with first adjusting rod;The tool seat includes main part, from the side of the main part The first transfer block vertically extended, the second transfer block vertically extended from the other side of the main part, described first turn It connects and forms clamp port between block and the main part;First adjusting rod connect with first transfer block and to far from described The direction of clamp port extends;Second adjusting rod extends from first adjusting rod to the direction far from the clamp port.
2. sealing bearing bush support according to claim 1 adjusts tool, which is characterized in that the tool seat further includes reinforcing Block, the side of the reinforcement block are connect with the main part, and the other side of the reinforcement block is connect with second transfer block.
3. sealing bearing bush support according to claim 2 adjusts tool, which is characterized in that the rectangular triangle of reinforcement block Setting.
4. sealing bearing bush support according to claim 1 adjusts tool, which is characterized in that second transfer block be equipped with by Power slot, the stress slot position is on the bottom of second transfer block.
5. sealing bearing bush support according to claim 1 adjusts tool, which is characterized in that first transfer block is equipped with the One threaded hole, first adjusting rod are equipped with the first threaded portion, and first adjusting rod passes through first threaded portion, first Threaded hole is threadedly coupled with first transfer block.
6. sealing bearing bush support according to claim 5 adjusts tool, which is characterized in that first adjusting rod is equipped with the One clamping portion.
7. sealing bearing bush support according to claim 5 adjusts tool, which is characterized in that first adjusting rod is equipped with the Two threaded holes, second adjusting rod are equipped with the second threaded portion, and second adjusting rod passes through second threaded portion, second Threaded hole is threadedly coupled with first adjusting rod.
8. sealing bearing bush support according to claim 7 adjusts tool, which is characterized in that second adjusting rod is equipped with the Two clamping portions.
9. sealing bearing bush support according to claim 1 adjusts tool, which is characterized in that first adjusting rod, second are adjusted The extending direction of pole and the main part are arranged in parallel.
10. sealing bearing bush support according to claim 1 adjusts tool, which is characterized in that the main part is equipped with arc Face, the arcwall face are located on the one end of the main part far from second transfer block.
CN201920275150.1U 2019-03-05 2019-03-05 Sealing bearing bush support adjusts tool Active CN209402380U (en)

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Application Number Priority Date Filing Date Title
CN201920275150.1U CN209402380U (en) 2019-03-05 2019-03-05 Sealing bearing bush support adjusts tool

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Application Number Priority Date Filing Date Title
CN201920275150.1U CN209402380U (en) 2019-03-05 2019-03-05 Sealing bearing bush support adjusts tool

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CN209402380U true CN209402380U (en) 2019-09-17

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CN201920275150.1U Active CN209402380U (en) 2019-03-05 2019-03-05 Sealing bearing bush support adjusts tool

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713862A (en) * 2019-03-05 2019-05-03 中广核核电运营有限公司 Sealing bearing bush support adjusts tool and its method of adjustment
CN113524106A (en) * 2021-07-08 2021-10-22 哈尔滨电气动力装备有限公司 Radial tile tool installation process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713862A (en) * 2019-03-05 2019-05-03 中广核核电运营有限公司 Sealing bearing bush support adjusts tool and its method of adjustment
CN109713862B (en) * 2019-03-05 2024-09-03 中广核核电运营有限公司 Sealing tile support adjusting tool and adjusting method thereof
CN113524106A (en) * 2021-07-08 2021-10-22 哈尔滨电气动力装备有限公司 Radial tile tool installation process

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