CN207175213U - A kind of bearing box cover hoisting auxiliary device in the maintenance for turbine bearing pad - Google Patents
A kind of bearing box cover hoisting auxiliary device in the maintenance for turbine bearing pad Download PDFInfo
- Publication number
- CN207175213U CN207175213U CN201720853310.7U CN201720853310U CN207175213U CN 207175213 U CN207175213 U CN 207175213U CN 201720853310 U CN201720853310 U CN 201720853310U CN 207175213 U CN207175213 U CN 207175213U
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- China
- Prior art keywords
- lifting
- arm
- linking arm
- box cover
- auxiliary device
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Abstract
The utility model discloses the bearing box cover hoisting auxiliary device in a kind of maintenance for turbine bearing pad, it includes linking arm, is fixed in first lifting arm of described linking arm one end, and is fixed in the second lifting arm of the linking arm other end；At least two first lifting eyes are offered on first lifting arm, at least two second lifting eyes are offered on second lifting arm, first lifting arm, the linking arm and second lifting arm form closed-in construction, and the hollow position of the closed-in construction forms the avoiding space of communicating pipe.The servicing unit can avoid communicating pipe during lifting so that need not be dismantled communicating pipe in maintenance, so as to simplify maintenance process, reduce overhaul of the equipments difficulty, reduce overhaul of the equipments and maintenance cost.
Description
Technical field
Power plant's repair apparatus technical field is the utility model is related to, is used for more particularly, to one kind in turbine bearing pad maintenance
Bearing box cover hoisting auxiliary device.
Background technology
It is a common and important overhauling project in overhaul of steam turbine to check bearing shell, for 330MW unit mesolows
For communicating pipe, it is typically adopted the mode connected with Unit valves and is arranged in above steam turbine #4, #5 bearing shell, and 300MW units are same
Cai is arranged in above #2, #3 bearing shell Yong Unit valve forms.Such arrangement can improve the economy of unit operation and reliable
Property, but certain difficulty is brought to maintenance simultaneously, when checking bearing shell below cross over pipe, driving can not be lifted by crane directly, it is necessary to by even
Siphunculus is removed, and causes overhaul of the equipments difficult, maintenance process is cumbersome, and cost is higher.
Therefore it provides the bearing box cover hoisting auxiliary device in a kind of maintenance for turbine bearing pad, to lift by crane
Communicating pipe can be avoided in journey so that need not be dismantled communicating pipe in maintenance, so as to simplify maintenance process, reduce overhaul of the equipments hardly possible
Degree, overhaul of the equipments and maintenance cost are reduced, just turns into those skilled in the art's urgent problem to be solved.
The content of the invention
The purpose of this utility model is to provide the bearing box cover hoisting auxiliary device in a kind of maintenance for turbine bearing pad,
To which communicating pipe can be avoided during lifting so that need not be dismantled communicating pipe in maintenance, so as to simplify maintenance process, reduce
Overhaul of the equipments difficulty, reduce overhaul of the equipments and maintenance cost.
In order to solve the above-mentioned technical problem, the utility model provides the bearing box cover in a kind of maintenance for turbine bearing pad
Hoisting auxiliary device, including linking arm, be fixed in first lifting arm of described linking arm one end, and to be fixed in the linking arm another
Second lifting arm of one end；At least two first lifting eyes are offered on first lifting arm, are opened on second lifting arm
Provided with least two second lifting eyes, first lifting arm, the linking arm and second lifting arm form closed-in construction,
And the hollow position of the closed-in construction forms the avoiding space of communicating pipe.
In hoisting process, by bearing box cover to be lifted fix on the connecting arm or the device other appropriate positions,
The suspension hook of lifting appliance catches on the first lifting eye and the second lifting eye, so that by lifting by crane the first lifting arm and the second lifting arm,
Sling the servicing unit and bearing box cover to be lifted；During lifting, because two lifting arms and linking arm form closed-in construction,
Top communicating pipe can be passed through by the avoiding space in the middle part of closed-in construction, then communicating pipe can be avoided during lifting, is made
Need not be dismantled communicating pipe in must overhauling, so as to simplify maintenance process, reduce overhaul of the equipments difficulty, reduce overhaul of the equipments and
Maintenance cost.
Further, first lifting arm includes the first supporting plate and be installed on the outside of first supporting plate first
Plate is lifted, first supporting plate is fixed in the linking arm, and first lifting eye is opened in the first lifting plate.
Further, the quantity of first lifting eye is five, and each first lifting eye lifts plate along described first
Length direction open up, and be uniformly distributed on the length direction.
Further, it is provided with the first reinforcement between first supporting plate and the linking arm.
Further, second lifting arm includes the second supporting plate and be installed on the outside of second supporting plate second
Plate is lifted, second supporting plate is fixed in the linking arm, and second lifting eye is opened in the second lifting plate.
Further, the quantity of second lifting eye is three, and each second lifting eye lifts plate along described second
Length direction open up, and be uniformly distributed on the length direction.
Further, it is provided with the second reinforcement between second supporting plate and the linking arm.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of hoisting auxiliary device provided by the utility model.
Description of reference numerals：
The first support arms of 11- 12- first lifts plate the first lifting eyes of 121-
The second support arms of 21- 22- second lifts plate the second lifting eyes of 221-
3- linking arms
The reinforcements of 4- first
The reinforcements of 5- second
100- communicating pipes
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
Fig. 1 is refer to, Fig. 1 is that a kind of structure of embodiment of hoisting auxiliary device provided by the utility model is shown
It is intended to.
In a kind of embodiment, bearing box cover hoisting auxiliary device provided by the utility model is used for turbine shaft
In watt maintenance, the lifting servicing unit includes linking arm 3, is fixed in first lifting arm of described one end of linking arm 3, and is fixed in
Second lifting arm of the other end of linking arm 3；At least two first lifting eyes 121, institute are offered on first lifting arm
State and at least two second lifting eyes 221 are offered on the second lifting arm, first lifting arm, the linking arm 3 and described
Two lifting arms form closed-in construction, and the hollow position of the closed-in construction forms the avoiding space of communicating pipe 100.
In hoisting process, bearing box cover to be lifted is fixed on linking arm 3 or other appropriate positions of the device,
The suspension hook of lifting appliance catches on the first lifting eye 121 and the second lifting eye 221, so as to by lifting by crane the first lifting arm and second
Arm, sling the servicing unit and bearing box cover to be lifted；During lifting, because two lifting arms and linking arm 3 form frame
Formula structure, top communicating pipe 100 can be passed through by the avoiding space in the middle part of closed-in construction, then can be avoided during lifting
Communicating pipe 100 so that communicating pipe 100 need not be dismantled in maintenance, so as to simplify maintenance process, reduce overhaul of the equipments difficulty,
Reduce overhaul of the equipments and maintenance cost.Also, because the first lifting eye 121 and the second lifting eye 221 are all at least two, also
Adjustment lifting center, stability can be ensured by selecting the lifting eye of diverse location；In addition, by controlling and adjusting two
The lifting speed and height of lifting arm, device pitching can be achieved, to ensure optimal lifting position.
In order to ensure structural strength, intensity decreases caused by perforate are avoided, two lifting arms can be designed as double-decker, are had
Body, the first lifting arm includes the first supporting plate 11 and is installed on the first lifting plate 12 in the outside of the first supporting plate 11, institute
State the first supporting plate 11 and be fixed in the linking arm 3, first lifting eye 121 is opened in the first lifting plate 12；Second
Lifting arm includes the second supporting plate 21 and is installed on the second lifting plate 22 in the outside of the second supporting plate 21, second support
Plate 21 is fixed in the linking arm 3, and second lifting eye 221 is opened in the second lifting plate 22.
Specifically, the quantity of the first lifting eye 121 is five, and each first lifting eye 121 lifts plate along described first
12 length direction opens up, and is uniformly distributed on the length direction, and the quantity of the second lifting eye 221 is three, and each described the
Length direction of two lifting eyes 221 along the described second lifting plate 22 opens up, and is uniformly distributed on the length direction to ensure
Hanging position has larger adjusting range.It is apparent that the quantity of the first lifting eye 121 is not limited to five, it can also be three
It is individual, four, six or more, the quantity of the second lifting eye 221 is not limited to three, or four or more
It is individual.
The first reinforcement 4 is provided between above-mentioned first supporting plate 11 and the linking arm 3, the second supporting plate 21 with
The second reinforcement 5 is provided between the linking arm 3, to improve structural strength.
Above-mentioned first lifting plate 12 and second is lifted plate 22 and is made of 20mm thickness steel plates, and the length for lifting plate is
1m, the aperture of the first lifting eye 121 is 40mm, and the pitch-row of the adjacent support of two first lifting eye 121 is 120mm, and first lifts plate
12 are welded in the first supporting plate 11, and the second lifting plate 22 is welded in the second supporting plate 21, and the both ends of linking arm 3 are respectively welded in the
One supporting plate 11 and the second supporting plate 21；Two supporting plates use No. 20 channel-section steels of the length for 2m, to increase component strength, mitigate
Construction weight；Linking arm 3 uses 133*15 steel pipes, and length is 4.5 meters, meets sling height, ensures component strength；The linking arm
3 can be the structure of the flexible joint arm of socket, so as to adapt to different length requirements.First reinforcement 4 and the second reinforcement 5 are
20mm is thick, right angle length of side 300mm set square, is welded between linking arm 3 and support arm, the aperture of the second lifting eye 221 is
40mm, the pitch-row of adjacent two second lifting eye 221 are 120mm.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
1. the bearing box cover hoisting auxiliary device in a kind of maintenance for turbine bearing pad, it is characterised in that including linking arm
(3) first lifting arm of the linking arm (3) one end, is fixed in, and is fixed in second lifting of the linking arm (3) other end
Arm；At least two first lifting eyes (121) are offered on first lifting arm, at least two are offered on second lifting arm
Individual second lifting eye (221), first lifting arm, the linking arm (3) and second lifting arm form closed-in construction, and
The hollow position of the closed-in construction forms the avoiding space of communicating pipe (100).
2. bearing box cover hoisting auxiliary device according to claim 1, it is characterised in that first lifting arm includes the
One supporting plate (11) and the first lifting plate (12) being installed on the outside of first supporting plate (11), first supporting plate (11)
The linking arm (3) is fixed in, first lifting eye (121) is opened in the first lifting plate (12).
3. bearing box cover hoisting auxiliary device according to claim 2, it is characterised in that first lifting eye (121)
Quantity be five, length direction of each first lifting eye (121) along the described first lifting plate (12) opens up, and in the length
Degree is uniformly distributed on direction.
4. bearing box cover hoisting auxiliary device according to claim 2, it is characterised in that first supporting plate (11) with
The first reinforcement (4) is provided between the linking arm (3).
5. bearing box cover hoisting auxiliary device according to claim 1, it is characterised in that second lifting arm includes the
Two supporting plates (21) and the second lifting plate (22) being installed on the outside of second supporting plate (21), second supporting plate (21)
The linking arm (3) is fixed in, second lifting eye (221) is opened in the second lifting plate (22).
6. bearing box cover hoisting auxiliary device according to claim 5, it is characterised in that second lifting eye (221)
Quantity be three, length direction of each second lifting eye (221) along the described second lifting plate (22) opens up, and in the length
Degree is uniformly distributed on direction.
7. bearing box cover hoisting auxiliary device according to claim 5, it is characterised in that second supporting plate (21) with
The second reinforcement (5) is provided between the linking arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853310.7U CN207175213U (en) | 2017-07-14 | 2017-07-14 | A kind of bearing box cover hoisting auxiliary device in the maintenance for turbine bearing pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720853310.7U CN207175213U (en) | 2017-07-14 | 2017-07-14 | A kind of bearing box cover hoisting auxiliary device in the maintenance for turbine bearing pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207175213U true CN207175213U (en) | 2018-04-03 |
Family
ID=61735829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720853310.7U Expired - Fee Related CN207175213U (en) | 2017-07-14 | 2017-07-14 | A kind of bearing box cover hoisting auxiliary device in the maintenance for turbine bearing pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207175213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451397A (en) * | 2019-05-31 | 2019-11-15 | 浙江大唐国际绍兴江滨热电有限责任公司 | A kind of turbine bearing pad lifting device |
| CN111943104A (en) * | 2020-08-13 | 2020-11-17 | 大唐山东电力检修运营有限公司 | Auxiliary lifting equipment for overhauling rotating part of steam turbine and using method thereof |
-
2017
- 2017-07-14 CN CN201720853310.7U patent/CN207175213U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451397A (en) * | 2019-05-31 | 2019-11-15 | 浙江大唐国际绍兴江滨热电有限责任公司 | A kind of turbine bearing pad lifting device |
| CN111943104A (en) * | 2020-08-13 | 2020-11-17 | 大唐山东电力检修运营有限公司 | Auxiliary lifting equipment for overhauling rotating part of steam turbine and using method thereof |
| CN111943104B (en) * | 2020-08-13 | 2021-11-05 | 大唐山东电力检修运营有限公司 | Auxiliary lifting equipment for overhauling rotating part of steam turbine and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20180714 |