CN203296837U - Barring gear for steam turbine - Google Patents
Barring gear for steam turbine Download PDFInfo
- Publication number
- CN203296837U CN203296837U CN2013202889124U CN201320288912U CN203296837U CN 203296837 U CN203296837 U CN 203296837U CN 2013202889124 U CN2013202889124 U CN 2013202889124U CN 201320288912 U CN201320288912 U CN 201320288912U CN 203296837 U CN203296837 U CN 203296837U
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- gear
- steam turbine
- rack wheel
- basic rack
- fixed
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Abstract
The utility model provides a barring gear for a steam turbine. The barring gear for the steam turbine is characterized by comprising a movable gear, a ratchet device, a handle, a fixing plate, a fixing gear, a basic gear shaft and a transmission gear shaft. The basic gear shaft is fixed on the fixing plate via a pair of basic gear bearing seat. The ratchet device is arranged at one end of the basic gear shaft. The handle is arranged on the ratchet device. The transmission gear shaft is fixedly supported on the fixing plate via a pair of the transmission gear bearing seat. The fixing gear is sleeved and fixed on the transmission gear shaft and is meshed with the basic gear shaft. The movable gear is fixed at one end of the transmission gear shaft and is meshed with a shaft coupling gear of the steam turbine. The barring gear for the steam turbine has following advantages: a smooth assembly process of the steam turbine is achieved; accuracy of measured data is ensured; and the barring gear is suitable for large and small machine units and is simple and economical and is of practical value.
Description
Technical field
The utility model relates to the machine tool technical field, more specifically, relates to a kind of Turbine Barring Gears instrument.
Background technique
Steam turbine be a kind of be rotary type prime mover of mechanical energy with the thermal power transfer of steam.Steam turbine is as the visual plant of pushing generator or other kinetic energy machine works, in the process of installing, especially in grinding bearing shell, flow passage clearance measurement and aligning concentricity process, need to carry out jiggering repeatedly, whether clamping stagnation is arranged and the situation of resistance increase in order to the load that judges driven by motor, thereby avoid motor when starting, can be not damaged because of the increase of load.
Traditional jiggering mode is mostly to carry out jiggering with the gear that crowbar prizes on coupling, perhaps with hanging belt, is entangled in the axle journal place and uses the overhead traveling crane rotary rotor.The mode that adopts crowbar to prize is carried out jiggering, can cause to the flank of tooth of the gear on coupling damage in various degree, not only rotates and slowly also wastes time and energy; And utilize the mode of overhead traveling crane jiggering, the speed that rotor rotates is sometimes fast and sometimes slow, affect installation precision, and it is long to take the overhead traveling crane time, causes with the work of other use overhead traveling crane installation and can't carry out simultaneously.In addition, in the installation process of steam turbine, sometimes need some Pump for Medium and Small Power Generating Set are carried out interim jiggering, and traditional jiggering mode and be not suitable for Pump for Medium and Small Power Generating Set, therefore, the installation of steam turbine has been caused great inconvenience.
The model utility content
In view of the above problems, the purpose of this utility model is to provide a kind of Turbine Barring Gears instrument, with what realize the steam turbine installation process, carries out and guarantee smoothly the accuracy of survey data.
The Turbine Barring Gears instrument that the utility model provides comprises: free gear, ratchet unit, handle, fixed plate, fixed gear, basic rack wheel shaft and driving gearshaft; Wherein, the basic rack wheel shaft is fixedly supported on fixed plate by a pair of basic rack wheel bearing seat, and ratchet unit is arranged on an end of basic rack wheel shaft, and handle is arranged on ratchet unit; Driving gearshaft is fixedly supported on fixed plate by a pair of driving gear bearing support; Fixed gear is fixed by socket on driving gearshaft, and with the interlock of basic rack wheel shaft phase; Free gear is fixed on an end of driving gearshaft, and with the coupling gear phase interlock of steam turbine.
Wherein, basic rack wheel bearing seat and driving gear bearing support are the trapezoidal steel plate with axis hole, and basic rack wheel shaft and driving gearshaft are fixedly supported on basic rack wheel bearing seat and driving gear bearing support by axis hole respectively.
Wherein, be provided with bolt hole on fixed plate, fixed plate is fixedly connected with bearing seat of steam turbine with bolt hole by fixing bolt.
Utilize above-mentioned according to Turbine Barring Gears instrument of the present utility model, can realize the steam turbine installation process carry out smoothly and guarantee survey data accurately, and be applicable to big or small unit, not only simple economy but also have use value.
Description of drawings
By reference to the content below in conjunction with the description of the drawings and claims, and along with to of the present utility model, understanding more comprehensively, other purpose of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the Turbine Barring Gears tools structure schematic diagram according to the utility model embodiment;
In figure, 1, free gear; 2, fixed gear; 3, driving gearshaft; 4, driving gear bearing support; 5, basic rack wheel shaft; 6, basic rack wheel bearing seat; 7, ratchet unit; 8, handle; 9, fixed plate; 10, fixing bolt; 11, steam turbine coupling gear; 12, turbine rotor; 13, bearing seat of steam turbine.
Label identical in institute's drawings attached is indicated similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Jiggering efficiency for aforementioned conventional jiggering mode is not high, affect installation precision, and the problem of restricted application, the utility model, by free gear of design, makes this free gear and steam turbine coupling engaged gears, this free gear can be according to the module fabrication design of different units, make it go for any unit, applied widely, and simple economy, when guaranteeing that the steam turbine installation process is carried out smoothly, also guaranteed the accurate of survey data.
In order to describe Turbine Barring Gears instrument of the present utility model in detail, Fig. 1 shows the Turbine Barring Gears tools structure schematic diagram according to the utility model embodiment.
As shown in Figure 1, the Turbine Barring Gears instrument that the utility model provides comprises free gear 1, ratchet unit 7, handle 8, fixed plate 9, fixed gear 2, basic rack wheel shaft 5 and driving gearshaft 3, wherein, basic rack wheel shaft 5 is fixedly supported on fixed plate 9 by a pair of basic rack wheel bearing seat 6, ratchet unit 7 is arranged on an end of basic gear 5, and handle 8 is arranged on ratchet unit 7.Wherein, basic rack wheel bearing seat 6 is supporting basic rack wheel shaft 5, when jiggering, thereby by handle 8, promote ratchet unit 7, kinetic energy is passed to driving gearshaft 3.
Driving gearshaft 3 is fixedly supported on fixed plate 9 by a pair of driving gear bearing support 4; Fixed gear 2 is fixed by socket on driving gearshaft 3, and with the 5 phase interlocks of basic rack wheel shaft.Wherein, driving gear bearing support 4 is supporting driving gearshaft 5, and when jiggering, the kinetic energy that promotes ratchet unit 7 by handle 8 rotates driving gearshaft 3, and the rotation of driving gearshaft 3 is driving the rotation of fixed gear 2.
Fixed gear 2 is fixed by socket on driving gearshaft 3, and with the 5 phase interlocks of basic rack wheel shaft.When jiggering, the kinetic energy that handle 8 promotes ratchet unit 7 rotates driving gearshaft 3, and the rotation of driving gearshaft 3 is driving the rotation of fixed gear 2, thereby kinetic energy is further passed to free gear 1.
Free gear 1 is fixed on an end of driving gearshaft 3, and with the coupling gear 11 phase interlocks of steam turbine.When jiggering, the kinetic energy that promotes ratchet unit 7 by handle 8 rotates driving gearshaft 3, the rotation of driving gearshaft 3 is driving the rotation of fixed gear 2, fixed gear 2 further passes to free gear 1 with kinetic energy, and the coupling gear 11 phase interlocks of free gear 1 and steam turbine, thereby free gear 1 passes to kinetic energy the coupling gear of steam turbine, thereby driving turbine rotor 12, rotates.
In addition, in the utility model, passive basic rack wheel bearing seat 6 and driving gear bearing support 4 are steel plate,, in order to realize brace foundation gear shaft 5 and driving gearshaft 4, therefore are provided with axis hole on basic rack wheel bearing seat 6 and driving gear bearing support 4.
That is to say, basic rack wheel bearing seat 6 and driving gear bearing support 4 are the trapezoidal steel plate with axis hole, and basic rack wheel shaft 5 and driving gearshaft 3 are fixedly supported on basic rack wheel bearing seat 6 and driving gear bearing support 4 by axis hole respectively.
In an embodiment of the present utility model, adopt four blocks of trapezoidal steel plates with axis hole, make a pair of driving gear bearing support 4 and a pair of basic rack wheel bearing seat 6, in order to support driving gearshaft 3 and basic rack wheel shaft 4.And driving gearshaft 3, basic rack wheel shaft 5 and handle 8 all adopt round steel to make.Being used for the fixed plate 9 that is connected with bearing seat of steam turbine 13 adopts rectangular steel plates to make.
Need to prove, except adopting steel plate and round steel, can also adopt the higher metallic material of other hardness, make driving gear bearing support 4, basic rack wheel bearing seat 6, fixed plate 9 and driving gearshaft 3, basic rack wheel shaft 5 and handle 8.
In order to be applicable to different units, free gear 1 of the present utility model can be processed according to the module of different units, if this gear can with 11 interlocks of steam turbine coupling gear, all can be used as free gear 1 of the present utility model.That is to say, free gear 1 be any can with the gear of steam turbine coupling gear 11 interlocks.In addition, when the steam turbine to large unit carried out jiggering, the handle 8 that use lengthens can be more laborsaving.
In addition, for the Turbine Barring Gears instrument that the utility model can be provided is fixed on steam turbine, and can repeatedly dismantle use, be provided with bolt hole on the fixed plate 9 of this hand turning tool, fixed plate 9 is by being fixedly connected with bearing seat of steam turbine 13 with bolt hole with fixing bolt 10.When other steam turbine being carried out jiggering, as long as removed the bolt of fixation, the hand turning tool that just the utility model can be provided separates with steam turbine, reaches the purpose of recycling next time.
The Turbine Barring Gears instrument that the utility model provides, simple economy and practicality, applied widely, it is more time saving and energy saving to compare with the crowbar jiggering, can injury to equipment; Compare with overhead traveling crane, its stability of rotation, can stop at any time, and survey data is accurate.In the steam turbine installation process, using effect is good, makes workman's handy handling very skillfully in the jiggering construction, and high working efficiency, for finishing on schedule of engineering established strong basis.
Accompanying drawing has been described according to Turbine Barring Gears instrument of the present utility model in the mode of example above with reference to.But, it will be appreciated by those skilled in the art that the Turbine Barring Gears instrument that proposes for above-mentioned the utility model, can also make various improvement on the basis that does not break away from the utility model content.Therefore, protection domain of the present utility model should be determined by the content of appending claims.
Claims (3)
1. a Turbine Barring Gears instrument, is characterized in that, comprising: free gear (1), ratchet unit (7), handle (8), fixed plate (9), fixed gear (2), basic rack wheel shaft (5) and driving gearshaft (3); Wherein,
Described basic rack wheel shaft (5) is fixedly supported on described fixed plate (9) by a pair of basic rack wheel bearing seat (6), described ratchet unit (7) is arranged on an end of described basic rack wheel shaft (5), and described handle (8) is arranged on described ratchet unit (7);
Described driving gearshaft (3) is fixedly supported on described fixed plate (9) by a pair of driving gear bearing support (4);
Described fixed gear (2) is fixed by socket on described driving gearshaft (3), and with described basic rack wheel shaft (5) phase interlock;
Described free gear (1) is fixed on an end of described driving gearshaft (3), and with the coupling gear phase interlock of described steam turbine.
2. Turbine Barring Gears instrument as claimed in claim 1, is characterized in that,
Described basic rack wheel bearing seat (6) and described driving gear bearing support (4) are the trapezoidal steel plate with axis hole;
Described basic rack wheel shaft (5) and described driving gearshaft (3) are fixedly supported on described basic rack wheel bearing seat (6) and described driving gear bearing support (4) by axis hole respectively.
3. Turbine Barring Gears instrument as claimed in claim 2, is characterized in that,
Be provided with bolt hole on described fixed plate (9);
Described fixed plate (9) is fixedly connected with described bearing seat of steam turbine with described bolt hole by fixing bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202889124U CN203296837U (en) | 2013-05-24 | 2013-05-24 | Barring gear for steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202889124U CN203296837U (en) | 2013-05-24 | 2013-05-24 | Barring gear for steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203296837U true CN203296837U (en) | 2013-11-20 |
Family
ID=49572853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202889124U Expired - Lifetime CN203296837U (en) | 2013-05-24 | 2013-05-24 | Barring gear for steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203296837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736077A (en) * | 2015-06-30 | 2016-07-06 | 国网新疆电力公司阿克苏供电公司 | Special tool for manual turning of steam turbine |
| CN105729872A (en) * | 2016-03-25 | 2016-07-06 | 北京新龙立科技有限公司 | Turning gear of tablet press |
-
2013
- 2013-05-24 CN CN2013202889124U patent/CN203296837U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736077A (en) * | 2015-06-30 | 2016-07-06 | 国网新疆电力公司阿克苏供电公司 | Special tool for manual turning of steam turbine |
| CN105729872A (en) * | 2016-03-25 | 2016-07-06 | 北京新龙立科技有限公司 | Turning gear of tablet press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |