CN208391430U - One seed nucleus main pump kingbolt more changing device online - Google Patents
One seed nucleus main pump kingbolt more changing device online Download PDFInfo
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- CN208391430U CN208391430U CN201820559269.7U CN201820559269U CN208391430U CN 208391430 U CN208391430 U CN 208391430U CN 201820559269 U CN201820559269 U CN 201820559269U CN 208391430 U CN208391430 U CN 208391430U
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- kingbolt
- jackshaft
- bracket
- fixture
- guide rod
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Abstract
The utility model belongs to machinery overhaul technical field, and in particular to a seed nucleus main pump kingbolt more changing device online.Kingbolt fixture is two semicircle anchor ears, and kingbolt fixture can be fixed into one full circle anchor ear by being equipped with a bolt far from jackshaft one end, so that kingbolt be held tightly, is equipped with pilot hole close to jackshaft one end, installs in guide rod；Kingbolt fixture is equipped with lifting lug, and wirerope one end is equipped with suspension hook, is connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on guide bar support, and guide bar support is contacted equipped with idler wheel with sealing room, provides a fulcrum.Kingbolt is taken out from pump cover and is transported to motor lower bracket inspection manhole position；The utility model is adapted to that live jackshaft is not removed, jackshaft has been removed and stop seal is not removed, stop seal and jackshaft have removed three kinds of different operating conditions being likely encountered simultaneously, realizes that kingbolt is replaced online.
Description
Technical field
The utility model belongs to machinery overhaul technical field, and in particular to a seed nucleus main pump kingbolt more changing device online.
Background technique
Nuclear power No. 1/2 unit reactor coolant main pump in Fuqing is the RCP440-TB50 type master of ANDRITZ company production
Pump, which designs on pump cover has the bolt of 16 M110 for connecting pump cover and pump case.The side of traditional replacement main pump bolt
Method needs hang out main pump motor and motor lower bearing bracket, are hung using ring and hang out kingbolt.Conventional method is such as used, overhaul will be occupied
The main line duration about 16 days.To shorten the overhaul duration, online substitute mode need to be taken, simultaneously because the weight of single bolt reaches
64Kg, bolt surface is not convenient for the point of application grasped, and disassembly will carry out inside electric machine support, and space is extremely limited,
Only bolt can not be pulled straight out by manpower.In order to faster, preferably remove, replace main pump bolt, design specialized device is needed
Carry out this work.
Summary of the invention
The purpose of this utility model is to provide a seed nucleus main pump kingbolt more changing devices online, to meet the demand.
In order to achieve the above objectives, technical solution adopted in the utility model are as follows:
One seed nucleus main pump kingbolt online do not remove in operating condition by more changing device, jackshaft, and kingbolt fixture is two semicircles
Shape anchor ear, kingbolt fixture can be fixed into one full circle anchor ear by being equipped with a bolt far from jackshaft one end, to will lead
Bolt is held tightly, is equipped with pilot hole close to jackshaft one end, is installed in guide rod；Kingbolt fixture is equipped with lifting lug, wirerope one
End is equipped with suspension hook, is connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on guide bar support, and guide bar support is equipped with
Idler wheel is contacted with sealing room, provides a fulcrum；Guide bar support and hoist engine are connected on runing rest and rolling bearing；Pass through
The start and stop of hoist engine can make kingbolt fixture move up and down along guide rod；Half formula intermediate shaft supporting bracket is divided to be mounted on jackshaft,
Be divided to half formula intermediate shaft supporting bracket to be equipped with upper and lower two circular orbits, after runing rest and rolling bearing are packed into, runing rest and
Rolling bearing can rotate freely on point half formula intermediate shaft supporting bracket along circumferential 360 ° of jackshaft.
One seed nucleus main pump kingbolt online removed stop seal and do not removed in operating condition by more changing device, jackshaft, kingbolt
Fixture is two semicircle anchor ears, and kingbolt fixture can be fixed into one full circle by being equipped with a bolt far from jackshaft one end
Anchor ear is equipped with pilot hole close to jackshaft one end, installs in guide rod to holding tightly kingbolt；Kingbolt fixture is equipped with
Lifting lug, wirerope one end are equipped with suspension hook, are connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on guide bar support,
Guide bar support is contacted equipped with idler wheel with sealing room, provides a fulcrum；Stop seal bracket is solid by stop seal support bracket bolt
It is scheduled on sealing room；Runing rest disk is fixed on stop seal bracket by central axis and rolling bearing；It will by positioning pin
Runing rest disk and stop seal backing positions are relatively fixed；Runing rest disk is equipped with idler wheel and contacts with stop seal bracket,
Fulcrum is provided；Guide bar support and hoist engine are connected on runing rest disk；Runing rest disk can on stop seal bracket edge
Circumferential 360 ° rotate freely；By the start and stop of hoist engine, kingbolt fixture can be made to move up and down along guide rod.
One seed nucleus main pump kingbolt online removed in operating condition by more changing device, jackshaft and stop seal, kingbolt folder
Tool is two semicircle anchor ears, and kingbolt fixture can be fixed into one full circle armful by being equipped with a bolt far from jackshaft one end
Hoop is equipped with pilot hole close to jackshaft one end, installs in guide rod to holding tightly kingbolt；Kingbolt fixture is equipped with and hangs
Ear, wirerope one end are equipped with suspension hook, are connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on guide bar support, is led
Bar bracket is contacted equipped with idler wheel with sealing room, provides a fulcrum；Sealing room bracket is fixed on close by sealing room support bracket bolt
It seals on room；Runing rest disk is fixed on sealing room bracket by central axis and rolling bearing；By positioning pin by runing rest
Disk and sealing room backing positions are relatively fixed；Runing rest disk is equipped with idler wheel and contacts with sealing room bracket, provides fulcrum；Guide rod
Bracket and hoist engine are connected on runing rest disk；Runing rest disk can sealing room bracket on circumferentially 360 ° freely revolve
Turn；By the start and stop of hoist engine, kingbolt fixture can be made to move up and down along guide rod.
It is had the beneficial effect that acquired by the utility model
The utility model is realized without dismantling main pump motor and motor lower bracket, it can by kingbolt from pump cover bolt
It is taken out in hole, and is transported to inspection manhole position.Kingbolt is taken out from pump cover and is transported to motor lower bracket inspection manhole
Position；Simultaneously device be adapted to live jackshaft is not removed, jackshaft has been removed and stop seal is not removed, stop seal and
Jackshaft has removed three kinds of different operating conditions being likely encountered, and realizes that kingbolt is replaced online.By a fixture by kingbolt
It is fixed on guide rod, kingbolt and fixture is lifted out by bolt hole using electrical hoist, realize 360 by runing rest (disk)
Degree rotates freely, and kingbolt is transported to motor lower bracket inspection manhole position.
Detailed description of the invention
Fig. 1 does not remove operating condition for jackshaft and uses schematic diagram；
Fig. 2 is that jackshaft has removed stop seal and do not remove operating condition using schematic diagram；
Fig. 3 is that jackshaft and stop seal have removed operating condition and used schematic diagram；
In figure: 1, pump cover；2, kingbolt fixture；3, kingbolt；4, idler wheel；5, guide rod；6, guide bar support；7, wirerope；
8, hoist engine；9, runing rest and rolling bearing；10, divide half formula intermediate shaft supporting bracket；11, jackshaft；12, stop seal；13, close
Seal room；14, inspection manhole；15, motor lower bracket；16, stop seal support bracket bolt；17, stop seal bracket；18, central axis
And rolling bearing；19, runing rest disk；20, idler wheel；21, positioning pin；22, room bracket is sealed；23, room support bracket bolt is sealed.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Core main pump kingbolt described in the utility model online more changing device using schematic diagram as shown in Fig. 1-3, wherein pumping
Lid 1, kingbolt 3, jackshaft 11, stop seal 12, sealing room 13, inspection manhole 14, motor lower bracket 15 are apparatus body portion
Part, non-the utility model component part.
As shown in Figure 1, jackshaft 11 is not removed in operating condition, kingbolt fixture 2 is two semicircle anchor ears of HALF formula, far
Kingbolt fixture 2 can be fixed into a full circle anchor ear by being equipped with a bolt from 11 one end of jackshaft, so that kingbolt 3 be embraced
Tightly, it is equipped with pilot hole close to 11 one end of jackshaft, installed in guide rod 5.Kingbolt fixture 2 is equipped with lifting lug, 7 one end of wirerope
Equipped with suspension hook, it is connected with lifting lug, one end is fixed on hoist engine 8.By the start and stop of hoist engine 8,2 edge of kingbolt fixture can be made
Guide rod 5 move up and down.Guide rod 5 is mounted on guide bar support 6, and guide bar support 6 and hoist engine 8 are bolted in rotation branch
On frame and rolling bearing 9.Guide bar support 6 is contacted equipped with idler wheel 4 with sealing room 13, provides a fulcrum.Divide half formula jackshaft branch
Frame 10 is HALF form, and two parts in left and right are bolted, are mounted on jackshaft 11.Divide on half formula intermediate shaft supporting bracket 10
Equipped with upper and lower two circular orbits, after runing rest and rolling bearing 9 are packed into, runing rest and rolling bearing 9 can divide
It is rotated freely on half formula intermediate shaft supporting bracket 10 along circumferential 360 ° of jackshaft 11.
It is not removed in operating condition as shown in Fig. 2, jackshaft has removed stop seal, kingbolt fixture 2, guide rod 5, is led at idler wheel 4
Bar bracket 6, wirerope 7, that 8 connection type of hoist engine does not remove operating condition with jackshaft is identical.Stop seal bracket 17 passes through 4
M32 stop seal support bracket bolt 16 is fixed on sealing room 13.Runing rest disk 19 is fixed by central axis and rolling bearing 18
On stop seal bracket 17.Runing rest disk 19 is equipped with idler wheel 20 and contacts with stop seal bracket 17, provides fulcrum.Guide rod
Bracket 6 and hoist engine 8 are bolted on runing rest disk 19.Runing rest disk 19 can be on stop seal bracket 17
Circumferentially rotate freely for 360 °.By the start and stop of hoist engine 8, kingbolt fixture 2 can be made to move up and down along guide rod 5.
As shown in figure 3, jackshaft and stop seal have been removed in operating condition, kingbolt fixture 2, idler wheel 4, guide rod 5, guide rod
Bracket 6, wirerope 7, hoist engine 8, central axis and rolling bearing 18, runing rest disk 19,20 connection type of idler wheel and jackshaft
Having removed stop seal, not remove operating condition identical.Sealing room bracket 22 seals room support bracket bolt 23 by 4 M32 and is fixed on sealing
On room 13.Runing rest disk 19 is fixed on sealing room bracket 22 by central axis and rolling bearing 18.Runing rest disk 19 can
With sealing room bracket 22 on circumferentially 360 ° rotate freely.By the start and stop of hoist engine 8, can make kingbolt fixture 2 along
Guide rod 5 moves up and down.
The utility model uses step are as follows: kingbolt fixture 2 is promoted to the position higher than kingbolt 3, is otherwise rotated through
Cheng Zhonghui is interfered with kingbolt 3.Runing rest and rolling bearing 9 are rotated to the kingbolt orientation to be removed.By kingbolt
Fixture 2 is opened, and rotation hoist engine 8 lowers kingbolt fixture 2, clamps kingbolt 3.Start hoist engine 8, by kingbolt 3 along
Guide rod 5 slowly lifts, until kingbolt 3 is all detached from from hole.By the rotation of kingbolt 3 in kingbolt hole edge and starting elevator
Kingbolt 3 is seated on pump cover 1 by machine 8.Kingbolt fixture 2 is unclamped, kingbolt fixture 2 is retightened and is leaned on as far as possible in position
Nearly 3 middle part of kingbolt.Start hoist engine 8, promote kingbolt 3 and slowly kingbolt 3 fell to level.Rotate kingbolt 3
To the inspection manhole of motor lower bracket 15.Start hoist engine 8, slowly kingbolt 3 is hung and exits motor lower bracket 15, storage is extremely
In case.Runing rest disk 19 is equipped with dowel hole, seals room bracket 22 and stop seal bracket 17 in the main spiral shell of each dismounting
Bolt orientation also is provided with dowel hole, by positioning pin 21 by runing rest disk 19 and sealing room bracket 22 or runing rest disk 19 with
17 position of stop seal bracket is relatively fixed.
Claims (3)
1. a seed nucleus main pump kingbolt more changing device online, it is characterised in that: jackshaft is not removed in operating condition, and kingbolt fixture is
Two semicircle anchor ears, kingbolt fixture can be fixed into one full circle anchor ear by being equipped with a bolt far from jackshaft one end,
To hold kingbolt tightly, it is equipped with pilot hole close to jackshaft one end, is installed in guide rod；Kingbolt fixture is equipped with lifting lug,
Wirerope one end is equipped with suspension hook, is connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on guide bar support, guide rod
Bracket is contacted equipped with idler wheel with sealing room, provides a fulcrum；Guide bar support and hoist engine are connected to runing rest and the axis of rolling
It holds；By the start and stop of hoist engine, kingbolt fixture can be made to move up and down along guide rod；Half formula intermediate shaft supporting bracket is divided to be mounted on
On jackshaft, half formula intermediate shaft supporting bracket is divided to be equipped with upper and lower two circular orbits, after runing rest and rolling bearing are packed into, rotation
Turning bracket and rolling bearing can rotate freely on point half formula intermediate shaft supporting bracket along circumferential 360 ° of jackshaft.
2. a seed nucleus main pump kingbolt more changing device online, it is characterised in that: jackshaft has removed stop seal and do not removed operating condition
In, kingbolt fixture is two semicircle anchor ears, and kingbolt fixture can be fixed by being equipped with a bolt far from jackshaft one end
At a full circle anchor ear, so that kingbolt be held tightly, it is equipped with pilot hole close to jackshaft one end, is installed in guide rod；Kingbolt
Fixture is equipped with lifting lug, and wirerope one end is equipped with suspension hook, is connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on
On guide bar support, guide bar support is contacted equipped with idler wheel with sealing room, provides a fulcrum；Stop seal bracket passes through stop seal
Support bracket bolt is fixed on sealing room；Runing rest disk is fixed on stop seal bracket by central axis and rolling bearing；It is logical
Cross positioning pin runing rest disk and stop seal backing positions is relatively fixed；Runing rest disk is equipped with idler wheel and stop seal
Bracket contact, provides fulcrum；Guide bar support and hoist engine are connected on runing rest disk；Runing rest disk can be in stop seal
On bracket circumferentially 360 ° rotate freely；By the start and stop of hoist engine, kingbolt fixture can be made to move up and down along guide rod.
3. a seed nucleus main pump kingbolt more changing device online, it is characterised in that: jackshaft and stop seal have been removed in operating condition,
Kingbolt fixture is two semicircle anchor ears, and one can be fixed into for kingbolt fixture by being equipped with a bolt far from jackshaft one end
A full circle anchor ear is equipped with pilot hole close to jackshaft one end, installs in guide rod to holding tightly kingbolt；Kingbolt fixture
It is equipped with lifting lug, wirerope one end is equipped with suspension hook, is connected with lifting lug, the other end is fixed on hoist engine；Guide rod is mounted on guide rod
On bracket, guide bar support is contacted equipped with idler wheel with sealing room, provides a fulcrum；It seals room bracket and passes through sealing room support bracket bolt
It is fixed on sealing room；Runing rest disk is fixed on sealing room bracket by central axis and rolling bearing；It will by positioning pin
Runing rest disk and sealing room backing positions are relatively fixed；Runing rest disk is equipped with idler wheel and contacts with sealing room bracket, provides
Fulcrum；Guide bar support and hoist engine are connected on runing rest disk；Runing rest disk can be on sealing room bracket circumferentially
360 ° rotate freely；By the start and stop of hoist engine, kingbolt fixture can be made to move up and down along guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559269.7U CN208391430U (en) | 2018-04-19 | 2018-04-19 | One seed nucleus main pump kingbolt more changing device online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559269.7U CN208391430U (en) | 2018-04-19 | 2018-04-19 | One seed nucleus main pump kingbolt more changing device online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208391430U true CN208391430U (en) | 2019-01-18 |
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ID=65065158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820559269.7U Active CN208391430U (en) | 2018-04-19 | 2018-04-19 | One seed nucleus main pump kingbolt more changing device online |
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| Country | Link |
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| CN (1) | CN208391430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509042A (en) * | 2019-08-28 | 2019-11-29 | 三门核电有限公司 | A kind of pneumatically shielding main pump kingbolt dismantling device and assembly and disassembly methods |
-
2018
- 2018-04-19 CN CN201820559269.7U patent/CN208391430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509042A (en) * | 2019-08-28 | 2019-11-29 | 三门核电有限公司 | A kind of pneumatically shielding main pump kingbolt dismantling device and assembly and disassembly methods |
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