CN109514498A - Balance plug screw mounting device - Google Patents
Balance plug screw mounting device Download PDFInfo
- Publication number
- CN109514498A CN109514498A CN201910021403.7A CN201910021403A CN109514498A CN 109514498 A CN109514498 A CN 109514498A CN 201910021403 A CN201910021403 A CN 201910021403A CN 109514498 A CN109514498 A CN 109514498A
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- Prior art keywords
- plug screw
- sleeve
- pole
- center
- balance plug
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention 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 invention, 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 present invention relates to Steam Turbine Field dynamic balance running equipment technical field more particularly to a kind of balance plug screw installation dresses
It sets.
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,
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.
Summary of the invention
The purpose of the present invention is to provide a kind of balance plug screw mounting devices, to alleviate balance plug screw peace in the prior art
The technical issues of security risk existing for dress method is larger, difficult to install and low efficiency.
Balance plug screw mounting device provided by the invention, 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 present invention are as follows:
Balance plug screw can be first mounted on the work of sleeve when in use by balance plug screw mounting device provided by the invention
Center-pole, is then put into sleeve by end, and is positioned using the positioning region of center-pole to balance plug screw, then, using admittedly
Determine part center-pole is fixed in sleeve；Rotational sleeve, center-pole can follow sleeve to rotate synchronously under the action of fixing piece, from
And balancing plug screw can follow center-pole to rotate synchronously under the action of the positioning region of center-pole, so that balance plug screw screws in vapour
In the threaded hole of turbine wheel.
Therefore, balance plug screw mounting device provided by the invention can only need put down as the tool of installation balance plug screw
Weighing apparatus plug screw is installed to the working end of sleeve, and operator can will balance spiral shell in the working end that the outside of steam turbine holds sleeve
It fills in and screws in the threaded hole of turbine rotor, without entering inside steam turbine, not only reduce security risk, but also reduce installation hardly possible
Degree；In addition, so there is no need to wait steam turbine to cool down, shortening the set-up time because entering inside steam turbine without operator, improve
Efficiency.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is balance plug screw mounting device provided in an embodiment of the present invention and the assembling structure schematic diagram for balancing plug screw；
Fig. 2 is the sectional structure signal provided in an embodiment of the present invention for balancing plug screw mounting device and balancing plug screw in Fig. 1
Figure；
Fig. 3 is the schematic perspective view of sleeve provided in an embodiment of the present invention；
Fig. 4 is the schematic perspective view of center-pole provided in an embodiment of the present invention；
Fig. 5 is the schematic perspective view of handle provided in an embodiment of the present invention.
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
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instructions such as term " center ", "upper", "lower", "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The present invention is described in further 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 the installations of traditional balance plug screw the invention discloses a kind of balance plug screw mounting device
Many technological deficiencies of method.Balance plug screw mounting device provided in this embodiment, can be as the work of 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 screws in plug screw 4 is balanced in the threaded hole 11 of turbine rotor, and without entering inside steam turbine, it is hidden both to have reduced safety
Suffer from, and reduces installation difficulty；In addition, because entering inside steam turbine without operator, so there is no need to wait steam turbine to cool down, contracting
The short set-up time, improve efficiency.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
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 of the invention
Within the scope of and form different embodiments.For example, embodiment claimed is appointed in claims above
Meaning one of can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen to this
The understanding of the general background technology of invention, and be not construed as recognizing or implying in any form that information composition has been ability
The prior art well known to field technique personnel.In addition, it will be appreciated by those of skill in the art that although some realities described herein
Applying example includes certain features included in other embodiments rather than other feature, but the combination of the feature of different embodiments
Mean to be within the scope of the present invention and formed different embodiments.For example, being wanted in claims above
Ask the embodiment of protection it is one of any can in any combination mode come using.It is disclosed in the letter of the background technology part
Breath is merely intended to deepen understanding of the general background technology to the present invention, and is not construed as recognizing or imply in any form
The information constitutes the prior art known to those skilled in the art.
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 |
|---|---|---|---|
| CN201910021403.7A CN109514498A (en) | 2019-01-09 | 2019-01-09 | Balance plug screw mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910021403.7A CN109514498A (en) | 2019-01-09 | 2019-01-09 | Balance plug screw mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109514498A true CN109514498A (en) | 2019-03-26 |
Family
ID=65799210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910021403.7A Pending CN109514498A (en) | 2019-01-09 | 2019-01-09 | Balance plug screw mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109514498A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687791A (en) * | 2020-07-30 | 2020-09-22 | 重庆电子工程职业学院 | Front-mounted front-drive engine and suspension frame mounting tool |
| CN113700678A (en) * | 2021-09-10 | 2021-11-26 | 北京中科科仪股份有限公司 | Device for precision structure assembly and method for molecular pump counterweight |
| CN114800379A (en) * | 2022-04-14 | 2022-07-29 | 中国航发贵州黎阳航空动力有限公司 | Turbofan engine plug dismantling method, dismantling tool and dismantling simulation device |
| CN114918645A (en) * | 2022-02-21 | 2022-08-19 | 邵亮 | Large-scale spiale sleeve location circle bush installation device |
| CN115070688A (en) * | 2022-06-24 | 2022-09-20 | 北京新风航天装备有限公司 | Be used for gas vane bolt to dismantle high-efficient device |
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| CN111687791B (en) * | 2020-07-30 | 2021-08-03 | 重庆电子工程职业学院 | Front-mounted front-drive engine and suspension frame mounting tool |
| CN113700678A (en) * | 2021-09-10 | 2021-11-26 | 北京中科科仪股份有限公司 | Device for precision structure assembly and method for molecular pump counterweight |
| CN114918645A (en) * | 2022-02-21 | 2022-08-19 | 邵亮 | Large-scale spiale sleeve location circle bush installation device |
| CN114800379A (en) * | 2022-04-14 | 2022-07-29 | 中国航发贵州黎阳航空动力有限公司 | Turbofan engine plug dismantling method, dismantling tool and dismantling simulation device |
| CN114800379B (en) * | 2022-04-14 | 2023-09-26 | 中国航发贵州黎阳航空动力有限公司 | Turbofan engine plug dismantling method, dismantling tool and dismantling simulation device |
| CN115070688A (en) * | 2022-06-24 | 2022-09-20 | 北京新风航天装备有限公司 | Be used for gas vane bolt to dismantle high-efficient device |
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