CN214577227U - Fixing device for steam turbine equipment control device - Google Patents
Fixing device for steam turbine equipment control device Download PDFInfo
- Publication number
- CN214577227U CN214577227U CN202120968959.XU CN202120968959U CN214577227U CN 214577227 U CN214577227 U CN 214577227U CN 202120968959 U CN202120968959 U CN 202120968959U CN 214577227 U CN214577227 U CN 214577227U
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- China
- Prior art keywords
- ball screw
- steam turbine
- control device
- slide
- sides
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- Expired - Fee Related
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- 238000013016 damping Methods 0.000 claims abstract description 14
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a fixing device for a steam turbine equipment control device, which comprises a bottom frame body, a damping support leg, a first clamping plate and a second clamping plate, when in use, a first ball screw and a second ball screw are driven to rotate by an adjusting handle, the first ball screw and the second ball screw drive the first clamping plate and the second clamping plate which are indirectly arranged on the first ball screw and the second ball screw to move relatively to clamp the steam turbine equipment control device from two sides, thereby realizing the rapid fixing of the steam turbine equipment control device, simultaneously, only the adjusting handle is required to rotate towards the opposite direction when in disassembly, thereby facilitating the maintenance and replacement of the steam turbine equipment control device, when the vibration generated by the operation of a steam turbine is transmitted to the damping support leg, firstly, the spring in the damping support leg can be stretched up and down, the spring stretches up and down to drive a limiting rod to move up and down to generate friction with the inner wall of a limiting hole, and the vibration energy is consumed by the heat generated by friction, and the vibration amplitude is reduced, so that the stability of the control device of the steam turbine equipment is ensured.
Description
Technical Field
The utility model relates to a steam turbine technical field specifically is a steam turbine equipment fixing device for controlling means.
Background
The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in the metallurgical industry, chemical industry and ship power plants.
However, the existing steam turbine equipment control device is easily affected by vibration of the steam turbine equipment in the using process to cause vibration, and the vibration is easily affected for a long time to cause the internal parts of the steam turbine equipment control device to be loose, so that the control device is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam turbine equipment fixing device for controlling means to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fixing device for a steam turbine equipment control device comprises a bottom frame body, damping support legs, a first clamping plate and a second clamping plate, wherein four damping support legs are arranged at four corners of the bottom frame body, a supporting plate is arranged at the middle position of the inner side of the bottom frame body, a first ball screw and a second ball screw are respectively arranged at two sides of the supporting plate, one end of the first ball screw and one end of the second ball screw are respectively and rotatably connected with two screw rod bearings arranged on the side surfaces of two sides of the supporting plate, the other end of the first ball screw and the other end of the second ball screw are respectively and fixedly connected with two shaft couplers arranged on the side surfaces of two sides of the bottom frame body in an embedded mode, screw rod nuts are respectively arranged on the first ball screw and the second ball screw, a first sliding seat is arranged on the screw rod nut on the first ball screw, a second sliding seat is arranged on the screw rod nut on the second ball screw rod, first slide bar and second slide bar are installed respectively in the both sides of first ball screw and second ball screw to the inboard of end framework, the both ends of first slide and the both ends of second slide respectively with first slide bar and second slide bar sliding connection, install first splint on the first slide, install second splint on the second slide.
As a further aspect of the present invention: the shock absorption support leg comprises a bottom plate, a limiting seat, a limiting rod, a spring and a top plate, wherein the limiting seat is installed at the middle position of the upper end of the bottom plate, a limiting hole is formed in the upper end of the limiting seat, the limiting rod is inserted in the limiting hole, the spring is sleeved outside the limiting rod, and the top plate is installed at the top end of the limiting rod.
As a further aspect of the present invention: the bottom end and the top end of the spring are respectively abutted against the limiting seat and the top plate, positioning holes are formed in the two sides of the limiting seat on the bottom plate, and the limiting holes are matched with the limiting rods in size.
As a further aspect of the present invention: two first splint are installed to bilateral symmetry at first ball screw on the first slide, two second splint are installed to bilateral symmetry at second ball screw on the second slide, first ball screw and second ball screw set up at the bilateral symmetry of backup pad.
As a further aspect of the present invention: the top height of backup pad is less than the top height of first slide and the top height of second slide, the top height of backup pad is less than the top height of end frame body.
As a further aspect of the present invention: and adjusting handles are arranged on the outer sides of the two couplers and are in transmission connection with the first ball screw and the second ball screw through the couplers respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up first ball screw, second ball screw, first splint and second splint, during the use, personnel only need control to rotate first ball screw and second ball screw, first ball screw and second ball screw just can drive first splint and second splint respectively and remove towards steam turbine equipment controlling means, it is fixed to press from both sides from steam turbine equipment controlling means's both sides tightly, and convenient for installation, when needs are dismantled, can directly rotate two ball screws to opposite direction, alright loosen steam turbine equipment controlling means, make things convenient for personnel to maintain and change steam turbine equipment controlling means.
2. The utility model discloses a set up the shock attenuation landing leg, the shock attenuation landing leg can cushion the vibration wave through the spring when receiving the vibration wave that equipment operation produced, and the spring drives the gag lever post and reciprocates, and gag lever post and spacing downthehole wall friction consumption vibration energy, and then reach the shock attenuation purpose, holding device's stability.
Drawings
Fig. 1 is a schematic structural view of a fixture for a steam turbine plant control device.
Fig. 2 is a schematic structural view of a fixing device for a steam turbine plant control device of the damping leg of fig. 1.
Fig. 3 is a plan sectional view of a fixing device for a steam turbine plant control device of the damping leg of fig. 2.
1. A bottom frame body; 2. a shock-absorbing leg; 201. a base plate; 202. a limiting seat; 203. a limiting rod; 204. a spring; 205. a top plate; 206. positioning holes; 207. a limiting hole; 3. a support plate; 4. a first slide bar; 5. a second slide bar; 6. a first ball screw; 7. a second ball screw; 8. a screw bearing; 9. a coupling; 10. adjusting the handle; 11. a feed screw nut; 12. a first slider; 13. a second slide carriage; 14. a first splint; 15. a second splint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a fixing device for a steam turbine equipment control device includes a bottom frame 1, shock-absorbing legs 2, a first clamping plate 14 and a second clamping plate 15, four shock-absorbing legs 2 are installed at four corners of the bottom frame 1, a supporting plate 3 is installed at a middle position of the inner side of the bottom frame 1, a first ball screw 6 and a second ball screw 7 are respectively installed at two sides of the supporting plate 3, one end of the first ball screw 6 and one end of the second ball screw 7 are respectively rotatably connected to two screw bearings 8 installed at two side surfaces of the supporting plate 3, the other end of the first ball screw 6 and the other end of the second ball screw 7 are respectively fixedly connected to two shaft couplings 9 embedded on two side surfaces of the bottom frame 1, a screw nut 11 is installed on each of the first ball screw 6 and the second ball screw 7, a first slide seat 12 is installed on a lead screw nut 11 on a first ball screw 6, a second slide seat 13 is installed on a lead screw nut 11 on a second ball screw 7, a first slide rod 4 and a second slide rod 5 are respectively installed on the inner side of a bottom frame body 1 on two sides of the first ball screw 6 and the second ball screw 7, two ends of the first slide seat 12 and two ends of the second slide seat 13 are respectively in sliding connection with the first slide rod 4 and the second slide rod 5, a first clamping plate 14 is installed on the first slide seat 12, and a second clamping plate 15 is installed on the second slide seat 13.
The bottom end and the top end of the spring 204 are respectively abutted against the limiting seat 202 and the top plate 205, the bottom plate 201 is provided with positioning holes 206 at two sides of the limiting seat 202, and the limiting holes 207 are matched with the limiting rods 203 in size.
Two first clamping plates 14 are symmetrically arranged on two sides of the first ball screw 6 on the first sliding seat 12, two second clamping plates 15 are symmetrically arranged on two sides of the second ball screw 7 on the second sliding seat 13, and the first ball screw 6 and the second ball screw 7 are symmetrically arranged on two sides of the supporting plate 3.
The top height of the support plate 3 is less than the top height of the first slide carriage 12 and the top height of the second slide carriage 13, and the top height of the support plate 3 is less than the top height of the bottom frame 1.
Adjusting handles 10 are mounted on the outer sides of the two couplers 9, and the two adjusting handles 10 are in transmission connection with the first ball screw 6 and the second ball screw 7 through the couplers 9 respectively.
The utility model discloses a theory of operation is:
when the damping support leg device is used, the positioning holes 206 arranged on two sides of the damping support leg 2 are firstly inserted into bolts embedded in advance on a steam turbine equipment base, the four damping support legs 2 are fixedly connected with the steam turbine equipment base through nuts, then a steam turbine equipment control device is placed on the supporting plate 3, the adjusting handles 10 on two sides of the bottom frame body 1 are rotated, the first ball screw 6 and the second ball screw 7 are driven to rotate through the adjusting handles 10, the first ball screw 6 and the second ball screw 7 drive the screw nut 11 arranged on the screw nut to move towards the steam turbine equipment control device, the first slide seat 12, the first clamping plate 14 and the second slide seat 13 which are arranged on the first slide seat 12 and the second clamping plate 15 which is arranged on the second slide seat 13 are driven to move relatively through the screw nut 11 so as to clamp the steam turbine equipment control device from two sides, when vibration generated by the operation of a steam turbine is transmitted to the damping support leg 2, the up-down expansion of the spring 204 in the damping supporting leg 2 is firstly caused, the spring 204 expands up and down to drive the limiting rod 203 to move up and down to generate friction with the inner wall of the limiting hole 207, vibration energy is consumed through heat generation of friction, vibration amplitude is reduced, and then the stability of the control device of the steam turbine equipment is ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a steam turbine equipment fixing device for controlling means, includes end frame body (1), shock attenuation landing leg (2), first splint (14) and second splint (15), its characterized in that: four damping support legs (2) are installed at the four corners of the bottom frame body (1), a support plate (3) is installed at the middle position of the inner side of the bottom frame body (1), a first ball screw (6) and a second ball screw (7) are respectively arranged on the two sides of the support plate (3), one end of the first ball screw (6) and one end of the second ball screw (7) are respectively and rotatably connected with two screw rod bearings (8) installed on the side surfaces of the two sides of the support plate (3), the other end of the first ball screw (6) and the other end of the second ball screw (7) are respectively and fixedly connected with two shaft couplers (9) installed on the side surfaces of the two sides of the bottom frame body (1) in an embedded mode, screw rod nuts (11) are installed on the first ball screw rod (6) and the second ball screw rod (7), a first sliding seat (12) is installed on the screw rod nut (11) on the first ball screw rod (6), install second slide (13) on screw-nut (11) on second ball screw (7), first slide bar (4) and second slide bar (5) are installed respectively in the both sides of first ball screw (6) and second ball screw (7) to the inboard of end frame body (1), the both ends of first slide (12) and the both ends of second slide (13) respectively with first slide bar (4) and second slide bar (5) sliding connection, install first splint (14) on first slide (12), install second splint (15) on second slide (13).
2. The steam turbine plant control device fixing apparatus according to claim 1, wherein: shock attenuation landing leg (2) are including bottom plate (201), spacing seat (202), gag lever post (203), spring (204) and roof (205), spacing seat (202) are installed to bottom plate (201) upper end intermediate position, spacing hole (207) have been seted up to the upper end of spacing seat (202), it has gag lever post (203) to peg graft in spacing hole (207), spring (204) have been cup jointed to the outside of gag lever post (203), roof (205) are installed on the top of gag lever post (203).
3. The steam turbine plant control device fixing apparatus according to claim 2, wherein: the bottom end and the top end of the spring (204) are respectively abutted against the limiting seat (202) and the top plate (205), positioning holes (206) are formed in the two sides of the limiting seat (202) on the bottom plate (201), and the limiting holes (207) are matched with the limiting rods (203) in size.
4. The steam turbine plant control device fixing apparatus according to claim 1, wherein: two first splint (14) are installed at the bilateral symmetry of first ball screw (6) on first slide (12), two second splint (15) are installed at the bilateral symmetry of second ball screw (7) on second slide (13), first ball screw (6) and second ball screw (7) set up at the bilateral symmetry of backup pad (3).
5. The steam turbine plant control device fixing apparatus according to claim 1, wherein: the top height of the supporting plate (3) is smaller than the top height of the first sliding seat (12) and the top height of the second sliding seat (13), and the top height of the supporting plate (3) is smaller than the top height of the bottom frame body (1).
6. The steam turbine plant control device fixing apparatus according to claim 1, wherein: adjusting handles (10) are installed on the outer sides of the two couplers (9), and the two adjusting handles (10) are in transmission connection with the first ball screw (6) and the second ball screw (7) through the couplers (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120968959.XU CN214577227U (en) | 2021-05-07 | 2021-05-07 | Fixing device for steam turbine equipment control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120968959.XU CN214577227U (en) | 2021-05-07 | 2021-05-07 | Fixing device for steam turbine equipment control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577227U true CN214577227U (en) | 2021-11-02 |
Family
ID=78329079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120968959.XU Expired - Fee Related CN214577227U (en) | 2021-05-07 | 2021-05-07 | Fixing device for steam turbine equipment control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577227U (en) |
-
2021
- 2021-05-07 CN CN202120968959.XU patent/CN214577227U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |