CN103835773A - Air cylinder supporting assembly - Google Patents
Air cylinder supporting assembly Download PDFInfo
- Publication number
- CN103835773A CN103835773A CN201210483455.4A CN201210483455A CN103835773A CN 103835773 A CN103835773 A CN 103835773A CN 201210483455 A CN201210483455 A CN 201210483455A CN 103835773 A CN103835773 A CN 103835773A
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- China
- Prior art keywords
- supporting piece
- cylinder
- active supporting
- pivot connector
- groove
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Abstract
The invention discloses an air cylinder supporting assembly. The air cylinder supporting assembly comprises a movable supporting piece used for supporting an air cylinder and two pivot connecting pieces arranged at the two ends of the movable supporting piece. One pivot connecting piece is used for being connected with the air cylinder and one end of the movable supporting piece. The other pivot connecting piece is used for being connected with the other end of movable supporting piece and the ground. The movable supporting piece can rotate around the pivot connecting pieces, so that the air cylinder is allowed to expand in the axial direction. Since the pivot connecting pieces are arranged at the two ends of the movable supporting piece of the air cylinder, when the air cylinder is heated and expands in the axial direction, the movable supporting piece can rotate along with the axial expansion of the air cylinder, in this way, high bending stress cannot be generated by the movable supporting piece, and therefore the service life of the movable supporting piece can be prolonged.
Description
Technical field
The present invention relates to gas turbine and steam turbine field, relate in particular to its cylinder portion.
Background technique
Steam turbine and gas turbine are the equipment of working under high temperature condition.In the time of operation, the cylinder of steam turbine and gas turbine upwards all will expand conventionally in horizontal and footpath axial, perpendicular to axial direction.This causes a lot of parts that are connected with cylinder all can produce distortion.
Summary of the invention
Inventor's discovery, the common meeting of supporting part of cylinder is along with the expansion of cylinder deforms, thus the larger stress of generation, this can shorten the life-span of cylinder supports parts greatly.
The object of this invention is to provide a kind of supporting component of cylinder, this assembly not only can allow cylinder dilatancy, and can make can not produce on this supporting component larger flexural stress, thereby extends the life-span of cylinder supports parts.
Particularly, one embodiment of the present of invention provide a kind of cylinder supports assembly, this supporting component comprises the movable part for supporting cylinder and is arranged on two pivot connectors at active supporting piece two ends, a pivot connector is used for connecting one end of cylinder and active supporting piece, another one pivot connector is used for connecting the other end and the ground of active supporting piece, described active supporting piece can rotate around pivot connector, to allow cylinder to expand in the axial direction.
It should be noted that, say " the other end and ground that another one pivot connector is used for connecting active supporting piece " here and do not require that another one pivot connector is directly connected with ground or must be directly fixed on ground.For example, in one of them embodiment of the present invention, another one pivot connector is connected with base, and base fixes on the ground.
This embodiment is by arranging pivot connector at the active supporting piece two ends of supporting cylinder, make active supporting piece be heated while expanding vertically and swing along with the axial expansion of cylinder at cylinder, on active supporting piece, just can not produce larger flexural stress like this, thereby make the working life of active supporting piece longer.
Preferably, described pivot connector comprises coupling shaft, and described active supporting piece is provided with hole, and the coupling shaft of pivot connector is inserted in described hole; Described active supporting piece can be mobile plate.
Preferably, in described pivot connector or active supporting piece, be provided with the mechanism for holding cooling medium.Active supporting piece can not expanded owing to being heated in short transverse in the mechanism that holds cooling medium, thereby ensures that the height of active supporting piece is constant, and then can ensure that the center height of the turbine spindle being supported by movable part is constant.In embodiments of the present invention can all links of head and active supporting piece the two or wherein in one, the structure of holding cooling medium is set.In pivot connector or active supporting piece, also can be provided with the mechanism for holding lubricant medium, can reduce like this wearing and tearing of parts, extend its life-span.
Preferably, described supporting component also comprises the flange that is fixed on cylinder bottom, and for holding the groove of described flange, in the lateral clearance of described flange and groove, can insertion parts adjust the lateral clearance between flange and groove.
Flange and groove can make cylinder horizontal centering.By inserting insertion parts or can adjust by other means the lateral clearance between flange and groove in the lateral clearance of flange and groove, this makes in allowing cylinder edge laterally can expand, ensure that flange contacts with groove, thereby can between flange and groove, transmit load, and then ensure cylinder centering in the horizontal.
Preferably, between described flange bottom and bottom portion of groove, there is gap, to allow cylinder radially can expand when the steam turbine operation.
Preferably, supporting component also comprises base, and the described the other end and the groove of active supporting piece are arranged on this base.Base makes it possible to active supporting piece and groove to be made of one, and in the time that the supporting component of cylinder is installed, fixes respectively active supporting piece and groove without digging out on the ground multiple grooves like this.
Brief description of the drawings
Further feature of the present invention, feature, advantage and benefit will become more apparent by the detailed description below in conjunction with accompanying drawing.Wherein:
Fig. 1 shows the front section view of a kind of mode of execution of cylinder supports assembly of the present invention;
Fig. 2 shows the side view of the cylinder supports assembly mode of execution shown in Fig. 1.
Embodiment
In accompanying drawing, the drawing reference numeral of all parts is as follows: cylinder 1, active supporting piece 2, pivot connector 3, flange 4, groove 5, insertion parts 6 and base 7.
Fig. 1 and 2 shows a kind of embodiment of cylinder supports assembly of the present invention, wherein in Fig. 1 shown in four-headed arrow be cylinder laterally, shown in the unidirectional arrow in Fig. 2 is cylinder axially.This supporting component comprises the active supporting piece 2 for supporting cylinder 1 and is arranged on two pivot connectors 3 at active supporting piece 2 two ends, one of them pivot connector 3 is used for connecting one end of cylinder and active supporting piece 2, another one pivot connector 3 is used for connecting the other end and the ground of active supporting piece 3, active supporting piece 2 can rotate around pivot connector 3, to allow cylinder to expand in the axial direction.
Active supporting piece 2 can be mobile plate or motion bar, and material can be steel or the iron material etc. that rigidity is larger.Preferably adopt in embodiments of the present invention mobile plate, as shown in Figure 2, the thickness direction of mobile plate and cylinder axial vertical.Compare with motion bar, it is thinner that this mobile plate supporting element can be obtained the front (as shown in Figure 2 perpendicular to the side of pivot connector 3) of following benefit 1. mobile plates, and flexibility is relatively better, can extend like this life-span of active supporting piece; 2. the area in mobile plate front is larger, facilitates machining hole with hinged with pivot connector.The two ends of active supporting piece 2 can arrange two holes to hold pivot connector 3.Pivot connector 3 can adopt any active supporting piece that makes can be in the time of cylinder expanded by heating movable vertically along with moving axially of cylinder.For example, pivot connector 3 can be quarter butt or axle, is provided with the hole that holds quarter butt or axle on active supporting piece.Active supporting piece 2 is pivotally connected part 3 and is connected with cylinder wall.In order to reduce wearing and tearing, between quarter butt or axle and hole, lining can also be set.
In the time of gas turbine or steam turbine operation, pivot connector 3 and active supporting piece 2 can bear a large amount of heats.Therefore pivot connector 3 and active supporting piece 2 can expand in short transverse, and this can cause turbine spindle center height to change.Constant for guaranteeing steam turbine main shaft height, in pivot connector 3 or active supporting piece 2, the passage that holds cooling medium can be set, come cooling pivot connector 3 and active supporting piece 2 by introducing the cooling mediums such as cool air, thereby make it highly constant.In pivot connector 3 or active supporting piece 2, also can be provided with the mechanism for holding lubricant medium, can reduce like this wearing and tearing of parts, extend its life-span.
Referring to Fig. 1, supporting component can also comprise and is fixed on the flange 4 of cylinder bottom and for holding the groove 5 of flange 4.Between flange 4 and groove 5, need to leave when laterally (being the left and right directions in Fig. 1) gap is heated with permission cylinder and expand in the horizontal.Can in the lateral clearance of flange 4 and groove 5, insert insertion parts 6 and adjust the size of lateral clearance, thereby ensure can transmit load between flange and groove.Between the bottom of the bottom of flange 4 and groove 5, can there is gap radially, to allow cylinder radially can expand when the steam turbine operation.
Preferably, supporting component also comprises base 7, and the lower end of active supporting piece 2 and groove 5 are arranged on this base 7.Active supporting piece 2 is pivotally connected part 3 and is connected on base, and groove 5 can be fixed on base 7 by the technique such as bolt or welding.Base 7 makes it possible to active supporting piece 2 and groove 3 to be made of one, like this in the time that the supporting component of cylinder is installed, without on the ground respectively grooving fix active supporting piece 2 and groove 5, simplified installation exercise.
It will be appreciated by those skilled in the art that above disclosed each embodiment of the present invention can make various modification and change essential in the situation that not departing from invention, these modification and change and all should fall within protection scope of the present invention within.Therefore, protection scope of the present invention should be limited by appending claims.
Claims (8)
1. a cylinder supports assembly, it is characterized in that, this supporting component comprises the active supporting piece (2) for supporting cylinder (1) and is arranged on two pivot connectors (3) at active supporting piece (2) two ends, one of them pivot connector (3) is used for connecting one end of cylinder and active supporting piece (2), another one pivot connector (3) is used for connecting the other end and the ground of active supporting piece (2), described active supporting piece (2) can rotate around pivot connector (3), to allow cylinder to expand in the axial direction.
2. cylinder supports assembly as claimed in claim 1, is characterized in that, described pivot connector (3) comprises coupling shaft, and described active supporting piece (2) is provided with hole, and the coupling shaft of pivot connector (3) is inserted in the hole of active supporting piece (2).
3. cylinder supports assembly as claimed in claim 1, is characterized in that, in described pivot connector (3) or active supporting piece (2), is provided with the mechanism for holding cooling medium.
4. cylinder supports assembly as claimed in claim 1, is characterized in that, in described pivot connector (3) or active supporting piece (2), is provided with the mechanism for holding lubricant medium.
5. cylinder supports assembly as claimed in claim 1, is characterized in that, described active supporting piece (2) is mobile plate.
6. cylinder supports assembly as claimed in claim 1, it is characterized in that, described supporting component also comprises and is fixed on the flange (4) of cylinder bottom and for holding the groove (5) of described flange, can inserts insertion parts (6) and adjust the described lateral clearance between flange (4) and groove (5) in the lateral clearance of flange (4) and groove (5).
7. cylinder supports assembly as claimed in claim 6, is characterized in that, exists gap to allow cylinder radially to expand between described flange (4) bottom and groove (5) bottom.
8. cylinder supports assembly as claimed in claim 7, is characterized in that, described supporting component also comprises base (7), and the described the other end of active supporting piece (2) and groove (5) are arranged on described base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483455.4A CN103835773A (en) | 2012-11-23 | 2012-11-23 | Air cylinder supporting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483455.4A CN103835773A (en) | 2012-11-23 | 2012-11-23 | Air cylinder supporting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103835773A true CN103835773A (en) | 2014-06-04 |
Family
ID=50799622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210483455.4A Pending CN103835773A (en) | 2012-11-23 | 2012-11-23 | Air cylinder supporting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103835773A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050660A (en) * | 1975-07-02 | 1977-09-27 | Bbc Brown Boveri & Company Limited | Casing support for horizontal-axis casings expanding in operation |
| US6826914B2 (en) * | 2001-08-17 | 2004-12-07 | Alstom Technology Ltd | Turbogroup of a power generating plant |
| US20100031672A1 (en) * | 2008-08-11 | 2010-02-11 | Mitsubishi Heavy Industries, Ltd. | Gas turbine |
| CN201714435U (en) * | 2010-04-02 | 2011-01-19 | 西安陕鼓汽轮机有限公司 | Steam turbine with swing supporting structure |
| EP2375008A1 (en) * | 2010-04-12 | 2011-10-12 | Alstom Technology Ltd | Gas turbine support arrangement |
-
2012
- 2012-11-23 CN CN201210483455.4A patent/CN103835773A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050660A (en) * | 1975-07-02 | 1977-09-27 | Bbc Brown Boveri & Company Limited | Casing support for horizontal-axis casings expanding in operation |
| US6826914B2 (en) * | 2001-08-17 | 2004-12-07 | Alstom Technology Ltd | Turbogroup of a power generating plant |
| US20100031672A1 (en) * | 2008-08-11 | 2010-02-11 | Mitsubishi Heavy Industries, Ltd. | Gas turbine |
| CN201714435U (en) * | 2010-04-02 | 2011-01-19 | 西安陕鼓汽轮机有限公司 | Steam turbine with swing supporting structure |
| EP2375008A1 (en) * | 2010-04-12 | 2011-10-12 | Alstom Technology Ltd | Gas turbine support arrangement |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |