CN209011891U - Steam turbine low-pressure internal cylinder in a kind of thermal power plant - Google Patents
Steam turbine low-pressure internal cylinder in a kind of thermal power plant Download PDFInfo
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- CN209011891U CN209011891U CN201821883189.3U CN201821883189U CN209011891U CN 209011891 U CN209011891 U CN 209011891U CN 201821883189 U CN201821883189 U CN 201821883189U CN 209011891 U CN209011891 U CN 209011891U
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- inner casing
- fixedly connected
- casing ontology
- steam turbine
- vibration damper
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Abstract
The utility model discloses steam turbine low-pressure internal cylinders in a kind of thermal power plant, including inner casing ontology, connecting rod is symmetrically fixedly connected on the inner casing ontology, the connecting rod is fixedly connected with hanging ring far from one end of inner casing ontology, inner casing ontology side is fixedly connected with positioning plate, the positioning plate is connected with vibration damper plate by fixed mechanism, loose slot is offered in the vibration damper plate, movable plate is slidably connected in the loose slot, multiple groups buffer unit is equipped in the loose slot, the movable plate two sides are equipped with position-limit mechanism.The utility model is when inner casing ontology is after crane is put down; movable plate is moved into loose slot first; so that motion bar is slided into sleeve; the spring damping inner casing ontology generated by spring-compressed is to the impact force of means of transport; prevent means of transport from causing to damage; setting by resilient cushion and vibration damper plate is with reverse impact power suffered by inner casing ontology is reduced, to carry out protection inner casing ontology.
Description
Technical field
The utility model relates in steam turbine low pressure in steam turbine technology field more particularly to a kind of thermal power plant
Cylinder.
Background technique
Steam turbine is also referred to as steam turbine engine, is a kind of rotary steam power device, and turbine is modern thermal power generation
The capital equipment of factory, low pressure (LP) cylinder is similar with high pressure cylinder, intermediate pressure cylinder, is the important component of steam turbine, when steam turbine is by high temperature
The thermal energy of steam is converted to high-speed rotating mechanical energy, and when generator cutting magnetic line being driven to be converted to electric energy.
In steam turbine low-pressure inner casing when being transported, since self gravity is heavier, need to be hung using using crane
It rises and is put on means of transport, but since own wt is larger, crane will be put down gently carrying out decentralization low-pressure internal cylinder, not had
It effectively may cause in the case where buffering and means of transport caused to damage.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, such as: existing in steam turbine low-pressure inner casing
When being transported, since self gravity is heavier, need to be put on means of transport using being sling using crane, but due to from
Body weight is larger, and crane will be put down gently carrying out decentralization low-pressure internal cylinder, it is effectively buffer in the case where may cause pair
Means of transport causes to damage.
To achieve the goals above, the utility model adopts the technical scheme that
Steam turbine low-pressure internal cylinder in a kind of thermal power plant, including inner casing ontology are symmetrically fixed on the inner casing ontology
It is connected with connecting rod, the connecting rod is fixedly connected with hanging ring far from one end of inner casing ontology, and inner casing ontology side is fixed
It is connected with positioning plate, the positioning plate is connected with vibration damper plate by fixed mechanism, and loose slot is offered in the vibration damper plate, described
Movable plate is slidably connected in loose slot, multiple groups buffer unit is equipped in the loose slot, and the movable plate two sides are equipped with limit
Mechanism, the bottom side of the vibration damper plate are symmetrically fixedly connected with resilient cushion, and the resilient cushion bottom side is equipped with anti-skid chequer.
Preferably, buffer unit described in every group includes sleeve, and the sleeve is fixedly connected on loose slot downside wall, institute
It states and slidably connects motion bar in sleeve, the motion bar is fixedly connected on movable plate far from one end of sleeve, the activity
Elastic mechanism is arranged on bar.
Preferably, the position-limit mechanism includes limiting slot, and the limiting slot is provided in vibration damper plate, sliding in the limiting slot
Dynamic to be connected with limit sliding pin, the limit sliding pin is fixedly connected on movable plate side.
Preferably, the elastic mechanism is spring, and the spring one end is fixedly connected on sleeve, the spring it is another
End is fixedly connected on movable plate.
Preferably, the fixed mechanism includes multiple fixing bolts, and each fixing bolt both passes through positioning plate screw thread
It is connected in vibration damper plate.
Preferably, rubber sleeve is arranged on the hanging ring, rubber sleeve inner ring face is equipped with friction lines.
Compared with prior art, the utility model has the beneficial effects that
1, when inner casing ontology is after crane is put down, movable plate is moved into loose slot first, while being limited sliding pin and being existed
Sliding, further slides motion bar into sleeve, so that spring be allowed to start to compress, passes through spring pressure in limiting slot
The spring damping inner casing ontology generated contract to the impact force of means of transport, prevents means of transport from causing to damage, when movable plate slides
When parallel with resilient cushion end face, pass through setting reverse impact suffered by reduction inner casing ontology of resilient cushion and vibration damper plate at this time
Power, to carry out protection inner casing ontology；
2, entire inner casing ontology is allowed to be easier to be lifted by the way that hanging ring is arranged, and setting due to the lines that rubs on rubber sleeve
Meter increases the frictional force of hoist cable and hanging ring, prevents hoist cable and have skidded on hanging ring and fall off.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of thermal power plant in steam turbine low-pressure internal cylinder Facad structure signal
Figure；
Fig. 2 is the enlarged diagram in Fig. 1 at A.
In figure: 1- inner casing ontology, 2- positioning plate, 3- fixing bolt, 4- vibration damper plate, 5- resilient cushion, 6- movable plate, 7- activity
Slot, 8- connecting rod, 9- hanging ring, 10- rubber sleeve, 11- limiting slot, 12- limit sliding pin, 13- sleeve, 14- motion bar, 15- spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-2, steam turbine low-pressure internal cylinder in a kind of thermal power plant, including inner casing ontology 1, on inner casing ontology 1
It symmetrically is fixedly connected with connecting rod 8, connecting rod 8 is fixedly connected with hanging ring 9 far from one end of inner casing ontology 1, is arranged on hanging ring 9
Rubber sleeve 10,10 inner ring face of rubber sleeve are equipped with friction lines, and the design for the lines that rubs on rubber sleeve 10 makes hoist cable indirectly and hangs
The frictional force of ring 9 increases, and prevents hoist cable and has skidded on hanging ring 9 and falls off, and 1 side of inner casing ontology is fixedly connected with positioning
Plate 2, positioning plate 2 are connected with vibration damper plate 4 by fixed mechanism, and fixed mechanism includes multiple fixing bolts 3, each fixing bolt 3
It both passes through positioning plate 2 to be threaded in vibration damper plate 4, by removing multiple fixing bolts 3, entire vibration damper plate 4 can be carried out
It removes, so that it is guaranteed that not influencing the installment work in 1 later period of inner casing ontology.
Loose slot 7 is offered in vibration damper plate 4, and movable plate 6 is slidably connected in loose slot 7, is delayed in loose slot 7 equipped with multiple groups
Flushing device, every group of buffer unit include sleeve 13, and sleeve 13 is fixedly connected on 7 downside wall of loose slot, sliding in sleeve 13
It is connected with motion bar 14, motion bar 14 is fixedly connected on movable plate 6 far from one end of sleeve 13, is arranged with bullet on motion bar 14
Property mechanism, elastic mechanism is spring 15, and 15 one end of spring is fixedly connected on sleeve 13, and the other end of spring 15 is fixedly connected on
On movable plate 6, when inner casing ontology 1 is after crane is put down, movable plate 6 is moved into loose slot 7 first, while limiting sliding pin
12 slide in limiting slot 11, slide motion bar 14 into sleeve 13, so that spring 15 be allowed to start to press
Contracting compresses the spring damping inner casing ontology 1 generated to the impact force of means of transport by spring 15.
6 two sides of movable plate are equipped with position-limit mechanism, and position-limit mechanism includes limiting slot 11, and limiting slot 11 is provided in vibration damper plate 4,
Limit sliding pin 12 is slidably connected in limiting slot 11, limit sliding pin 12 is fixedly connected on 6 side of movable plate, and limit sliding pin 12 is limiting
It is slided on the slot 11 of position, primarily to limit movable plate 6 is detached from out of loose slot 7, the bottom side of vibration damper plate 4 is symmetrically fixedly connected
There is resilient cushion 5,5 bottom side of resilient cushion is equipped with anti-skid chequer.
In the utility model, when user uses the device, entire inner casing ontology 1 is allowed to be easier to be lifted by hanging ring 9,
And due to the design for the lines that rubs on rubber sleeve 10, increases the frictional force of hoist cable and hanging ring 9, prevent hoist cable
It has skidded and falls off on hanging ring 9, when inner casing ontology 1 is after crane is put down, movable plate 6 is moved into loose slot 7 first,
It limits sliding pin 12 simultaneously to slide in limiting slot 11, slides motion bar 14 into sleeve 13, to allow
Spring 15 starts to compress, and the spring damping inner casing ontology 1 generated by the compression of spring 15 prevents from transporting to the impact force of means of transport
Defeated tool causes to damage, and when the sliding of movable plate 6 is parallel with 5 end face of resilient cushion, passes through setting for resilient cushion 5 and vibration damper plate 4 at this time
It sets with reverse impact power suffered by inner casing ontology 1 is reduced, to carry out protection inner casing ontology 1.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. steam turbine low-pressure internal cylinder in a kind of thermal power plant, including inner casing ontology (1), which is characterized in that the inner casing sheet
It is symmetrically fixedly connected on body (1) connecting rod (8), the connecting rod (8) is fixedly connected with far from the one end of inner casing ontology (1) and hangs
Ring (9), inner casing ontology (1) side are fixedly connected with positioning plate (2), and the positioning plate (2) is connected with by fixed mechanism
Vibration damper plate (4), the vibration damper plate (4) is interior to be offered loose slot (7), slidably connects movable plate (6) in the loose slot (7),
Multiple groups buffer unit is equipped in the loose slot (7), movable plate (6) two sides are equipped with position-limit mechanism, the vibration damper plate (4)
Bottom side is symmetrically fixedly connected with resilient cushion (5), and resilient cushion (5) bottom side is equipped with anti-skid chequer.
2. steam turbine low-pressure internal cylinder in a kind of thermal power plant according to claim 1, which is characterized in that described in every group
Buffer unit includes sleeve (13), and the sleeve (13) is fixedly connected on loose slot (7) downside wall, in the sleeve (13)
It slidably connects motion bar (14), the motion bar (14) is fixedly connected on movable plate (6) far from the one end of sleeve (13), institute
It states and is arranged with elastic mechanism on motion bar (14).
3. steam turbine low-pressure internal cylinder in a kind of thermal power plant according to claim 1, which is characterized in that the limit
Mechanism includes limiting slot (11), and the limiting slot (11) is provided in vibration damper plate (4), is slidably connected in the limiting slot (11)
It limits sliding pin (12), the limit sliding pin (12) is fixedly connected on movable plate (6) side.
4. steam turbine low-pressure internal cylinder in a kind of thermal power plant according to claim 2, which is characterized in that the elasticity
Mechanism is spring (15), and described spring (15) one end is fixedly connected on sleeve (13), and the other end of the spring (15) is fixed
It is connected on movable plate (6).
5. steam turbine low-pressure internal cylinder in a kind of thermal power plant according to claim 1, which is characterized in that the fixation
Mechanism includes multiple fixing bolts (3), and each fixing bolt (3) both passes through positioning plate (2) and is threaded in vibration damper plate (4)
It is interior.
6. steam turbine low-pressure internal cylinder in a kind of thermal power plant according to claim 1, which is characterized in that the hanging ring
(9) it is arranged on rubber sleeve (10), rubber sleeve (10) the inner ring face is equipped with friction lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883189.3U CN209011891U (en) | 2018-11-15 | 2018-11-15 | Steam turbine low-pressure internal cylinder in a kind of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821883189.3U CN209011891U (en) | 2018-11-15 | 2018-11-15 | Steam turbine low-pressure internal cylinder in a kind of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011891U true CN209011891U (en) | 2019-06-21 |
Family
ID=66842425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821883189.3U Active CN209011891U (en) | 2018-11-15 | 2018-11-15 | Steam turbine low-pressure internal cylinder in a kind of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011891U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894687A (en) * | 2020-06-30 | 2020-11-06 | 中国北方发动机研究所(天津) | Installation base of turbocharger capable of inhibiting vibration |
| CN117307270A (en) * | 2023-11-29 | 2023-12-29 | 山东永能动力科技有限公司 | Vibration isolation mounting platform for steam turbine unit |
-
2018
- 2018-11-15 CN CN201821883189.3U patent/CN209011891U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894687A (en) * | 2020-06-30 | 2020-11-06 | 中国北方发动机研究所(天津) | Installation base of turbocharger capable of inhibiting vibration |
| CN111894687B (en) * | 2020-06-30 | 2022-07-01 | 中国北方发动机研究所(天津) | Installation base of turbocharger capable of inhibiting vibration |
| CN117307270A (en) * | 2023-11-29 | 2023-12-29 | 山东永能动力科技有限公司 | Vibration isolation mounting platform for steam turbine unit |
| CN117307270B (en) * | 2023-11-29 | 2024-02-02 | 山东永能动力科技有限公司 | Vibration isolation mounting platform for steam turbine unit |
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