CN209566080U - Balance plug screw mounting device - Google Patents
Balance plug screw mounting device Download PDFInfo
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- CN209566080U CN209566080U CN201920038489.XU CN201920038489U CN209566080U CN 209566080 U CN209566080 U CN 209566080U CN 201920038489 U CN201920038489 U CN 201920038489U CN 209566080 U CN209566080 U CN 209566080U
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- plug screw
- sleeve
- pole
- center
- balance plug
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Abstract
The utility model relates to Steam Turbine Field dynamic balance running equipment technical field more particularly to a kind of balance plug screw mounting devices.Balancing plug screw mounting device includes sleeve, center-pole and fixing piece；The working end of sleeve is offered for the internal screw thread with balance plug screw cooperation, center-pole can be put into sleeve, and fixing piece is detachably connected with sleeve, and fixing piece is for center-pole to be fixed in sleeve, the working end of center-pole is provided with positioning region, and positioning region is used for balance plug screw positioning.Balance plug screw mounting device provided by the utility model, it can be as the tool of installation balance plug screw, balance plug screw need to be only installed to the working end of sleeve, operator can screw in the threaded hole of turbine rotor in the working end that the outside of steam turbine holds sleeve by plug screw is balanced, without entering inside steam turbine, not only security risk is reduced, but also reduces installation difficulty；In addition, shortening the set-up time because cooling down without waiting for steam turbine, improving efficiency.
Description
Technical field
The utility model relates to Steam Turbine Field dynamic balance running equipment technical fields more particularly to a kind of balance plug screw to pacify
Assembling device.
Background technique
Steam turbine is the key equipment of the industries such as electric power, petrochemical industry and metallurgy, can be brought after steam turbine failure serious
Economic loss, wherein vibration very big specific gravity is accounted in steam turbine equipment failure, be influence equipment safety, stable operation
An important factor for.
Currently, carrying out examination generally by carrying out spot dynamic balance test to steam turbine to steam turbine during the test and adding
Weight calculates according to the vibration variation for aggravating front and back and answers add weight.When spot dynamic balance is tested, needs balance plug screw and be mounted on turn
In the threaded hole of son, traditional installation method is the manhole cover for dismantling steam turbine, and operator, which enters inside steam turbine, to be made
Industry, the environment of high temperature closure had both brought biggish security risk, also brought great difficulty to installment work.In addition, In
Operator enters before steam turbine, need steam turbine stop after waiting its cooling a period of time, waste time, efficiency compared with
It is low.
To sum up, how to overcome the drawbacks described above of existing balance plug screw installation method is that those skilled in the art are urgently to be resolved
The technical issues of.
Utility model content
The purpose of this utility model is to provide a kind of balance plug screw mounting devices, to alleviate balance spiral shell in the prior art
The technical issues of filling in larger security risk existing for installation method, difficult to install and low efficiency.
Balance plug screw mounting device provided by the utility model, including sleeve, center-pole and fixing piece.
The working end of the sleeve is offered for the internal screw thread with balance plug screw cooperation, and the center-pole can be put into institute
It states in sleeve, the fixing piece is detachably connected with the sleeve, and the fixing piece is used to the center-pole being fixed on institute
It states in sleeve, the working end of the center-pole is provided with positioning region, and the positioning region is used to position the balance plug screw.
Preferably, as an embodiment, symmetrical threaded hole there are two being opened up on the sleeve, the fixing piece
For bolt；The bolt is two, and two bolts cooperate with two threaded holes respectively, the screw rod of two bolts
The center-pole can be squeezed and be fixed in the sleeve.
Preferably, as an embodiment, the bolt is wing bolt.
Preferably, as an embodiment, the operating side of the sleeve is equipped with the first operating stick, first behaviour
Make bar to be vertically arranged with the sleeve.
Preferably, as an embodiment, first operating stick is two, and two first operating sticks pair
Claim the two sides for being mounted on the sleeve.
Preferably, as an embodiment, the length of the center-pole is greater than the length of the sleeve.
Preferably, as an embodiment, the operating side of the center-pole is equipped with handle, and the handle includes connecting
Block and the second operating stick are connect, the operating side cooperation of the link block and the center-pole, second operating stick is fixed on described
On link block, and second operating stick is perpendicular to the center-pole.
Preferably, as an embodiment, second operating stick is four, and four second operating sticks are equal
The even side for being distributed in the link block.
Preferably, as an embodiment, mounting hole is offered on the link block, the mounting hole is in polygon prism
Shape；The operating side of the center-pole is the boss of polygon prism shape, the boss and the mounting hole clearance fit.
Preferably, as an embodiment, the top of the balance plug screw offers strip groove, the center-pole
Positioning region be laminated structure, and the laminated structure be used for and on balance plug screw strip groove cooperation.
Compared with the prior art, the advantages of the utility model are:
Balance plug screw first can be mounted on sleeve when in use by balance plug screw mounting device provided by the utility model
Then center-pole is put into sleeve by working end, and positioned using the positioning region of center-pole to balance plug screw, then, benefit
Center-pole is fixed in sleeve with fixing piece；Rotational sleeve, center-pole can follow sleeve is synchronous to turn under the action of fixing piece
It is dynamic, thus, balance plug screw can follow center-pole to rotate synchronously under the action of the positioning region of center-pole, so that balance plug screw rotation
Enter in the threaded hole of turbine rotor.
Therefore, balance plug screw mounting device provided by the utility model can only be needed as the tool of installation balance plug screw
Balance plug screw is installed to the working end of sleeve, operator can will put down in the working end that the outside of steam turbine holds sleeve
The plug screw that weighs screws in the threaded hole of turbine rotor, without entering inside steam turbine, not only reduces security risk, but also reduce peace
Fill difficulty；In addition, so there is no need to wait steam turbine to cool down, the set-up time is shortened because entering inside steam turbine without operator,
Improve efficiency.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is balance plug screw mounting device provided by the embodiment of the utility model and the assembling structure signal for balancing plug screw
Figure；
Fig. 2 is the sectional structure provided by the embodiment of the utility model for balancing plug screw mounting device and balancing plug screw in Fig. 1
Schematic diagram；
Fig. 3 is the schematic perspective view of sleeve provided by the embodiment of the utility model；
Fig. 4 is the schematic perspective view of center-pole provided by the embodiment of the utility model；
Fig. 5 is the schematic perspective view of handle provided by the embodiment of the utility model.
Icon: 1- sleeve；2- center-pole；3- wing bolt；4- balances plug screw；The first operating stick of 5-；6- handle；
11- threaded hole；
The positioning region 21-；22- boss；
61- link block；The second operating stick of 62-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "inner", "outside" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to figures 1-4, the present embodiment one provides a kind of balance plug screw mounting device, including sleeve 1,2 and of center-pole
Fixing piece.
The working end of the sleeve 1 offers the internal screw thread for cooperating with balance plug screw 4, and the center-pole 2 can be put
Enter in the sleeve 1, the fixing piece is detachably connected with the sleeve 1, and the fixing piece is for consolidating the center-pole 2
It is scheduled in the sleeve 1, the working end of the center-pole 2 is provided with positioning region 21, and the positioning region 21 is used for the balance
Plug screw 4 positions.
Balance plug screw 4 first can be mounted on sleeve 1 when in use by the balance plug screw mounting device that the present embodiment one provides
Working end, then center-pole 2 is put into sleeve 1, and is positioned using 21 pairs of the positioning region of center-pole 2 balance plug screw 4,
Then, center-pole 2 is fixed in sleeve 1 using fixing piece；Rotational sleeve 1, center-pole 2 can follow under the action of fixing piece
Sleeve 1 rotates synchronously, thus, balance plug screw 4 can follow center-pole 2 is synchronous to turn under the action of the positioning region of center-pole 2 21
It is dynamic, so that balance plug screw 4 screws in the threaded hole 11 of turbine rotor.
Therefore, the balance plug screw mounting device that the present embodiment one provides, can be as the tool of installation balance plug screw 4, only
Balance plug screw 4 need to be installed to the working end of sleeve 1, operator can hold the work of sleeve 1 in the outside of steam turbine
End screws in plug screw 4 is balanced in the threaded hole 11 of turbine rotor, and is not necessarily to enter inside steam turbine, both reduces security risk,
Installation difficulty is reduced again；In addition, so there is no need to wait steam turbine to cool down, shortening because entering inside steam turbine without operator
Set-up time, improve efficiency.
Embodiment two
Referring to figures 1-4, the present embodiment two provides a kind of balance plug screw mounting device, while also using above-mentioned reality
Apply the technical pattern relationship of the balance plug screw mounting device in example one；Such as: the present embodiment two provides a kind of balance plug screw peace
Assembling device, including sleeve 1, center-pole 2 and fixing piece；The working end of the sleeve 1 offer for balance plug screw 4 cooperate
Internal screw thread, the center-pole 2 can be put into the sleeve 1, and the fixing piece is detachably connected with the sleeve 1, and described
For fixing piece for the center-pole 2 to be fixed in the sleeve 1, the working end of the center-pole 2 is provided with positioning region 21, institute
Positioning region 21 is stated for positioning to the balance plug screw 4.
The balance plug screw mounting device that the present embodiment two provides, the master with the balance plug screw mounting device in embodiment one
Want structure identical；But the balance plug screw mounting device that the present embodiment two provides has further related to specific structure design.This implementation
Example two is unlike above-described embodiment one: the balance plug screw mounting device in the present embodiment two has more specific structure
More specific structure features；Such as: some technical characteristics are increased, and to the specific structure of sleeve 1, center-pole 2 and fixing piece
Further restriction is carried out.
The specific structure and technical effect of technical solution in relation to the present embodiment two are as follows:
Preferably, referring to figs. 2 and 3, fixing piece can be set on bolt, and sets two for bolt；On sleeve 1
Two symmetrical threaded holes 11 are opened up, two bolts are cooperated with two threaded holes 11 respectively.When needing to be fixed on center-pole 2
When in sleeve 1, two bolts can be screwed in sleeve 1, at this point, two bolts can be against two symmetrical positions of center-pole 2
It sets, thus, under the squeezing action of two bolts, the position of center-pole 2 can be fixed, simple to operate.
Particularly, referring to Fig. 1 and Fig. 2, bolt can be set to wing bolt 3, operator can directly hold butterfly
The butterfly head of bolt 3 carries out rotation process and improves convenience without other tools.
Specifically, referring to Fig. 1 and Fig. 3, first operating stick 5 can be installed in the operating side of sleeve 1, and by the first operating stick 5
It is vertically arranged with sleeve 1, when needing rotational sleeve 1, the first operating stick 5 can be held and operated, can reduce and need to provide
Rotatory force, and can expand operator can operating space.
Preferably, the first operating stick 5 can be set to two, and two the first operating sticks 5 is symmetrically mounted on sleeve 1
Two sides, when assembly balances plug screw 4, two hands of operator can hold two the first operating sticks 5 respectively and operate, not only
Convenient for the threaded hole 11 that plug screw 4 is aligned on rotor will be balanced, and balance plug screw 4 can be improved and screw in the steady of 11 process of threaded hole
Property, 4 skew of balance plug screw is prevented, this mode of operation is particularly suitable for balance plug screw 4 and looks for threaded hole 11 and preliminary screw-in
The process of threaded hole 11；When assembly balances plug screw 4, the operator positioned at 1 side of sleeve can be in the case where motionless position
Alternating is held two the first operating sticks 5 and is operated, can expand operator can operating space, convenient for increase operator with
The distance of steam turbine manhole opening, further reduced security risk, and this mode of operation is particularly suitable for balance plug screw 4 and turns
Threaded hole 11 on son stablizes the screw-in process after cooperation.
Because the extruding force deficiency between fixing piece and center-pole 2 will cause the problem of balance plug screw 4 can not be tightened, and fix
Extruding force between part and center-pole 2 is too big and is easy for center-pole 2 to be squeezed and deformed, therefore can set the length of center-pole 2 to
Greater than the length of sleeve 1 so that the operating side of center-pole 2 can be stretched out by the operating side of sleeve 1, thus, balance plug screw 4 with
After the cooperation of threaded hole 11 on rotor is stablized, can direct rotation center bar 2, directly balance plug screw 4 is screwed in using center-pole 2
External force in the threaded hole 11 of rotor, without using fixing piece indirect transfer from sleeve 1.
Further, referring to Fig. 1 and Fig. 5, handle 6 can be installed in the operating side of center-pole 2, operator can hold handle
6 are operated.
It include link block 61 and the second operating stick 62 in the specific structure of handle 6, wherein link block 61 referring to Fig. 5
Cooperate with the operating side of center-pole 2, the second operating stick 62 is fixed on link block 61, by the second operating stick 62 perpendicular to center-pole
2 settings, when needing center of rotation bar 2, can hold the second operating stick 62 and be operated, and can reduce needs rotation to be offered
Power, and can expand operator can operating space.
Preferably, the second operating stick 62 can be set to four, and four the second operating sticks 62 is evenly distributed on connection
The side of block 61, assembly balance plug screw 4 when, two hands of operator can hold respectively the second operating stick of two of them 62 into
Row operation prevents 4 skew of balance plug screw convenient for improving the stationarity that balance plug screw 4 screws in 11 process of threaded hole；As another kind
Mode of operation, the operator positioned at 1 side of sleeve can alternately hold any two first in the case where motionless position and operate
Bar 5 is operated, can expand operator can operating space, convenient for increase operator and steam turbine manhole opening away from
From further reduced security risk.
Specifically, referring to fig. 4 and Fig. 5, mounting hole can be opened up on link block 61, and set polygon prism for mounting hole
Shape；Meanwhile set the operating side of center-pole 2 to the boss 22 of polygon prism, and by center-pole 2 boss 22 and link block 61
On mounting hole clearance fit, thus, be not only able to so that link block 61 rotation when drive center-pole 2 rotate, moreover it is possible in hand
Handle 6 easily removes it when limiting from center-pole 2, and is easily covered on the boss 22 of center-pole 2 when need to use.
Preferably, referring to fig. 4, strip groove can be opened up on the top of balance plug screw 4, the positioning region 21 of center-pole 2 is set
It is set to laminated structure, to cooperate using the strip groove in laminated structure and balance plug screw 4, to realize 2 pairs of center-pole balances
The positioning action of plug screw 4.
In conclusion which overcome traditional balance plug screws the utility model discloses a kind of balance plug screw mounting device
Many technological deficiencies of installation method.Balance plug screw mounting device provided in this embodiment, can be as installation balance plug screw 4
Balance plug screw 4, need to be only installed to the working end of sleeve 1 by tool, and operator can hold sleeve 1 in the outside of steam turbine
Working end by balance plug screw 4 screw in turbine rotor threaded hole 11 in, without enter steam turbine inside, both reduce safety
Hidden danger, and reduce installation difficulty；In addition, because entering inside steam turbine without operator, so there is no need to wait steam turbine to cool down,
The set-up time is shortened, efficiency is improved.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.In addition, it will be appreciated by those of skill in the art that although described herein
Some embodiments include certain features included in other embodiments rather than other feature, but the spy of different embodiments
The combination of sign means within the scope of the utility model and forms different embodiments.For example, in right above
In claim, embodiment claimed it is one of any can in any combination mode come using.It is disclosed in the back
The information of scape technology segment is merely intended to deepen the understanding to the general background technology of the utility model, and is not construed as holding
Recognize or implies that the information constitutes the prior art known to those skilled in the art in any form.
Claims (10)
1. a kind of balance plug screw mounting device, which is characterized in that including sleeve, center-pole and fixing piece；
The working end of the sleeve is offered for the internal screw thread with balance plug screw cooperation, and the center-pole can be put into the set
In cylinder, the fixing piece is detachably connected with the sleeve, and the fixing piece is used to the center-pole being fixed on the set
In cylinder, the working end of the center-pole is provided with positioning region, and the positioning region is used to position the balance plug screw.
2. balance plug screw mounting device according to claim 1, which is characterized in that symmetrical there are two being opened up on the sleeve
Threaded hole, the fixing piece be bolt；The bolt is two, and two bolts are matched with two threaded holes respectively
It closes, the screw rod of two bolts, which can squeeze the center-pole, to be fixed in the sleeve.
3. balance plug screw mounting device according to claim 2, which is characterized in that the bolt is wing bolt.
4. balance plug screw mounting device according to claim 1, which is characterized in that the operating side of the sleeve is equipped with
One operating stick, first operating stick are vertically arranged with the sleeve.
5. balance plug screw mounting device according to claim 4, which is characterized in that first operating stick is two, and
Two first operating sticks are symmetrically mounted on the two sides of the sleeve.
6. balance plug screw mounting device according to claim 1-5, which is characterized in that the length of the center-pole
Degree is greater than the length of the sleeve.
7. balance plug screw mounting device according to claim 6, which is characterized in that the operating side of the center-pole is equipped with
Handle, the handle include link block and the second operating stick, and the operating side of the link block and the center-pole cooperates, and described the
Two operating sticks are fixed on the link block, and second operating stick is perpendicular to the center-pole.
8. balance plug screw mounting device according to claim 7, which is characterized in that second operating stick is four, and
Four second operating sticks are evenly distributed on the side of the link block.
9. balance plug screw mounting device according to claim 7, which is characterized in that offer installation on the link block
Hole, the mounting hole are in polygon prism shape；The operating side of the center-pole is the boss of polygon prism shape, the boss and the installation
Interporal lacuna cooperation.
10. balance plug screw mounting device according to claim 1-5, which is characterized in that the balance plug screw
Top offers strip groove, and the positioning region of the center-pole is laminated structure, and the laminated structure is used for and balanced spiral shell
Strip groove cooperation beyond the Great Wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920038489.XU CN209566080U (en) | 2019-01-09 | 2019-01-09 | Balance plug screw mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920038489.XU CN209566080U (en) | 2019-01-09 | 2019-01-09 | Balance plug screw mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209566080U true CN209566080U (en) | 2019-11-01 |
Family
ID=68332938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920038489.XU Active CN209566080U (en) | 2019-01-09 | 2019-01-09 | Balance plug screw mounting device |
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| Country | Link |
|---|---|
| CN (1) | CN209566080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514498A (en) * | 2019-01-09 | 2019-03-26 | 中国长江动力集团有限公司 | Balance plug screw mounting device |
-
2019
- 2019-01-09 CN CN201920038489.XU patent/CN209566080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514498A (en) * | 2019-01-09 | 2019-03-26 | 中国长江动力集团有限公司 | Balance plug screw mounting device |
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