CN209398772U - A kind of hydraulic damper pivoting support - Google Patents
A kind of hydraulic damper pivoting support Download PDFInfo
- Publication number
- CN209398772U CN209398772U CN201821882280.3U CN201821882280U CN209398772U CN 209398772 U CN209398772 U CN 209398772U CN 201821882280 U CN201821882280 U CN 201821882280U CN 209398772 U CN209398772 U CN 209398772U
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- CN
- China
- Prior art keywords
- transition sleeve
- support
- damper
- pin shaft
- hydraulic damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model belongs to damper support technical field, and in particular to a kind of hydraulic damper pivoting support.Including pedestal, support pin shaft and transition sleeve, hinge hole is provided on pedestal, transition sleeve is built in hinge hole, support pin shaft passes through the inner hole and damper oscillating bearing inner hole of transition sleeve, transition sleeve outboard end is equipped with a circle annular convex platform, and the outer diameter of annular convex platform is bigger than hinge hole internal diameter, and the both ends of support pin shaft are equipped with cotter-pin hold, closely on the outside of transition sleeve annular convex platform, split pin is fixed on cotter-pin hold for the position of cotter-pin hold.The utility model simplifies the work of bearing replacement in damper performance test, improves the working efficiency of bearing replacement, while improving the safety of bearing replacement.
Description
Technical field
The utility model belongs to damper support technical field, and in particular to a kind of hydraulic damper pivoting support.
Background technique
Hydraulic damper is the common nuclear power generating equipment of nuclear power station, is of great significance to the safe operation of nuclear power station.In core
In the operational process of power station, due to the special radiation environment in scene, it is necessary to carry out periodic inspection to hydraulic damper, guarantee it just
Often work.
During nuclear power station overhaul, need to remove hydraulic damper the damper branch for being mounted on Damper Test rack
On seat, carries out damper performance test, examine the function of damper.In a Damper Test rack, it usually needs to more
Kind different model damper makes a service test.And the joint shaft bearing bore of different model damper is not of uniform size, each type
Damper needs to select corresponding support in performance test.Therefore, in damper performance test, damper is needed to frequently replace
Support.The entire support of damper generally uses steel and iron manufacturing, and size is larger, and weight is larger, can not manually be replaced, and needs to borrow
Elevator is helped to be replaced.Thus cause replacing time to occupy the damper performance test long period, greatly reduce damping
Device performance test efficiency.Additionally due to support is heavier, is fallen in replacement process there is also support and injure testing crew and equipment by a crashing object
Security risk.
It would therefore be highly desirable to need a kind of hydraulic damper pivoting support, frequently replacement damper support is solved in the prior art
The problem of.
Summary of the invention
The purpose of this utility model is to design a kind of hydraulic damper pivoting support, simplifies support in damper performance test
It more changes jobs, improves the working efficiency of bearing replacement, while promoting the safety of bearing replacement.
In order to achieve the above objectives, technical solution adopted in the utility model are as follows:
A kind of hydraulic damper pivoting support, including pedestal, support pin shaft and transition sleeve.
Hinge hole is provided on pedestal, transition sleeve is built in hinge hole, and support pin shaft passes through the inner hole of transition sleeve
With damper oscillating bearing inner hole.
Transition sleeve outboard end is equipped with a circle annular convex platform, and the outer diameter of annular convex platform is bigger than hinge hole internal diameter.Annular convex platform
For bit transitions sleeve, prevent transition sleeve from passing completely through on the outside of hinge hole.
The both ends of support pin shaft are equipped with cotter-pin hold.The position of cotter-pin hold is closely on the outside of transition sleeve annular convex platform.It opens
Mouth pin is fixed on cotter-pin hold, prevents transition sleeve in damper performance test, support pin shaft from dropping out from hinge hole.
The internal diameter of transition sleeve is bigger than support pin shaft outer diameter, and the outer diameter of transition sleeve is smaller than hinge hole internal diameter.
The model of support pin shaft and hydraulic damper model are mating, and the outer diameter of support pin shaft is according to the joint of hydraulic damper
Bearing hole internal diameter determines.The outer diameter of support pin shaft is slightly less than the joint shaft bearing bore internal diameter of hydraulic damper, so that support pin shaft is worn
The joint shaft bearing bore of overdamp device.The internal diameter of hinge hole is nuclear power plant's maximum hydraulic pressure damper joint shaft bearing bore internal diameter.
The bottom plate of pedestal is cylindrical body, and cylindrical body bottom surface is provided with bolt hole, and opening direction is along cylinder axis direction, base
Seat is fixed on Damper Test rack using bolt passing through bolt hole.
It is had the beneficial effect that acquired by the utility model
(1) it simplifies damper bearing replacement in hydraulic damper performance test to work, from entire support was replaced originally, become
Only to need to change transition sleeve and support pin shaft, without dismounting foundation bolt and pedestal, shorten the bearing replacement time.
(2) relative to the entire support of damper, transition sleeve size is smaller, weight is smaller, and replacement transition sleeve is manually
It can move easily, expend bodily strength and substantially reduce.
(3) due to transition sleeve lighter weight, without machines such as elevators in bearing replacement, heavy support is eliminated
Support present in integral replacing, which falls, injures the risk of personnel and equipment by a crashing object, improves the safety of operation.
Detailed description of the invention
Fig. 1 is support front section view；
Fig. 2 is support side view；
In figure: 1 is pedestal；11 be bolt hole；12 be hinge hole；2 be support pin shaft；21 be cotter-pin hold；3 be transition sleeve
Cylinder.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
The utility model provides a kind of hydraulic damper pivoting support, including pedestal 1, support pin shaft 2 and transition sleeve
3。
Hinge hole 12 is provided on pedestal 1, transition sleeve 3 is built in hinge hole 12, and support pin shaft 2 passes through transition sleeve
3 inner hole and damper oscillating bearing inner hole.
3 outboard end of transition sleeve is equipped with a circle annular convex platform, and the outer diameter of annular convex platform is bigger than 12 internal diameter of hinge hole, is used for
The positioning of sleeve 3 is crossed, prevents transition sleeve 3 from passing completely through 12 outside of hinge hole.
The both ends of support pin shaft 2 are equipped with cotter-pin hold 21.The position of cotter-pin hold 21 closely 3 outside the boss of transition sleeve.
Split pin is fixed on cotter-pin hold 21, prevents transition sleeve 3 in damper performance test, support pin shaft 2 from falling from hinge hole 12
Out.
The internal diameter of transition sleeve 3 is bigger than 2 outer diameter of support pin shaft, and the outer diameter of transition sleeve 3 is smaller than 12 internal diameter of hinge hole.
The model of support pin shaft 2 and the model of hydraulic damper are mating, and the outer diameter of support pin shaft 2 is according to hydraulic damper
Joint shaft bearing bore internal diameter determines.The outer diameter of support pin shaft 2 is slightly less than the joint shaft bearing bore internal diameter of hydraulic damper, so as to pins
Axis 2 passes through the joint shaft bearing bore of damper.The internal diameter of hinge hole 12 is nuclear power plant's maximum hydraulic pressure damper joint shaft bearing bore internal diameter.
The bottom plate of pedestal 1 is cylindrical body, and cylindrical body bottom surface is provided with bolt hole 11, and opening direction is along cylinder axis side
To pedestal 1 is fixed on Damper Test rack using bolt passing through bolt hole 11.
When needing to install damper on the support, transition sleeve 3 is built in hinge hole 12.Support pin shaft 2 passes through
3 inner hole of transition sleeve and damper oscillating bearing inner hole are hinged so that damper joint, transition sleeve 3 and support pin shaft 2 are formed
It connects, split pin passes through the cotter-pin hold 21 at 2 both ends of support pin shaft, hold-down support pin shaft 2 and transition sleeve 3.
When needing to remove damper from support, split pin, support pin shaft 2, damper, transition sleeve are successively extracted
3.When needing for another model damper to be attached on support, the support pin shaft 2 and transition sleeve of damper correspondingly-sized are selected
3, transition sleeve 3 is packed into hinge hole 12 first, support pin shaft 2 is then sequentially passed through into side transition sleeve 3, damper joint
Bearing hole, other side transition sleeve 3.Split pin is passed through to the cotter-pin hold 21 on support pin shaft 2 again.Repeatedly, can quickly,
It safely changes as the corresponding hold-down support of damper.
The technical solution of the utility model simplifies damper bearing replacement in hydraulic damper performance test and works, from original
Entire support is replaced, becomes only needing to change transition sleeve and support pin shaft, without dismounting foundation bolt and pedestal, shortens damping
The device bearing replacement time.
Relative to the entire support of damper, the transition sleeve size of the utility model is smaller, weight is smaller, replaces transition sleeve
Cylinder can manually be moved easily, expend bodily strength and substantially reduce.
Simultaneously as transition sleeve lighter weight, without machines such as elevators in bearing replacement, heavy branch is eliminated
Support present in seat integral replacing, which falls, injures the risk of personnel and equipment by a crashing object, improves the safety of operation.
Claims (7)
1. a kind of hydraulic damper pivoting support, it is characterised in that: including pedestal (1), support pin shaft (2) and transition sleeve (3),
It is provided on pedestal (1) hinge hole (12), transition sleeve (3) is built in hinge hole (12), and support pin shaft (2) passes through transition sleeve
The inner hole and damper oscillating bearing inner hole of cylinder (3), transition sleeve (3) outboard end are equipped with a circle annular convex platform, annular convex platform
Outer diameter is bigger than hinge hole (12) internal diameter, and the both ends of support pin shaft (2) are equipped with cotter-pin hold (21), and the position of cotter-pin hold (21) is tight
It suffers on the outside of transition sleeve (3) annular convex platform, split pin is fixed on cotter-pin hold (21).
2. hydraulic damper pivoting support as described in claim 1, it is characterised in that: the internal diameter ratio of the transition sleeve (3)
Support pin shaft (2) outer diameter is big.
3. hydraulic damper pivoting support as described in claim 1, it is characterised in that: the outer diameter ratio of the transition sleeve (3)
Hinge hole (12) internal diameter of pedestal (1) is small.
4. hydraulic damper pivoting support as described in claim 1, it is characterised in that: the model of support pin shaft (2) with it is hydraulic
Damper model is mating, and the outer diameter of support pin shaft (2) is determined according to the joint shaft bearing bore internal diameter of hydraulic damper.
5. hydraulic damper pivoting support as claimed in claim 4, it is characterised in that: the outer diameter of support pin shaft (2) is less than liquid
Press the joint shaft bearing bore internal diameter of damper.
6. hydraulic damper pivoting support as claimed in claim 4, it is characterised in that: the internal diameter of hinge hole (12) is nuclear power plant
Maximum hydraulic pressure damper joint shaft bearing bore internal diameter.
7. such as hydraulic damper pivoting support of any of claims 1-6, it is characterised in that: the pedestal (1)
Bottom plate is cylindrical body, and cylindrical body bottom surface is provided with bolt hole (11), and opening direction is along cylinder axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882280.3U CN209398772U (en) | 2018-11-15 | 2018-11-15 | A kind of hydraulic damper pivoting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821882280.3U CN209398772U (en) | 2018-11-15 | 2018-11-15 | A kind of hydraulic damper pivoting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209398772U true CN209398772U (en) | 2019-09-17 |
Family
ID=67880035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821882280.3U Active CN209398772U (en) | 2018-11-15 | 2018-11-15 | A kind of hydraulic damper pivoting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209398772U (en) |
-
2018
- 2018-11-15 CN CN201821882280.3U patent/CN209398772U/en active Active
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