CN218398022U - Steam turbine low pressure governing valve overhauls specialized tool on line - Google Patents
Steam turbine low pressure governing valve overhauls specialized tool on line Download PDFInfo
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- CN218398022U CN218398022U CN202221891745.8U CN202221891745U CN218398022U CN 218398022 U CN218398022 U CN 218398022U CN 202221891745 U CN202221891745 U CN 202221891745U CN 218398022 U CN218398022 U CN 218398022U
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Abstract
The utility model belongs to the technical field of overhaul tool, especially, steam turbine low pressure governing valve overhauls specialized tool on line, have the base of two frames including the welding of top outer wall, the top of base is equipped with jack-up mechanism, and jack-up mechanism including rotate install two-way screw rod in two frames, spiro union in proper order in two sliders of two opposite screw ends of two-way screw rod, articulate in two of two slider tops the down tube, insert spacing post, the connecting plate of locating on two sliders. The utility model is provided with the jacking mechanism, the jacking plate can be driven to move upwards continuously by controlling the hand wheel so as to jack up the small steam turbine, and then online maintenance can be carried out in a spacious space, thus improving the maintenance efficiency; be provided with two light and be convenient for provide sufficient illumination for the maintenance workman, made things convenient for maintenance personnel's work to can also adjust the steam turbine of inclination with the different situations of adaptation of jacking plate through gradient adjustment assembly.
Description
Technical Field
The utility model relates to an overhaul tool technical field, especially relate to a steam turbine low pressure governing valve overhauls specialized tool on line.
Background
At present, when carrying out the on-line maintenance operation to steam turbine low pressure governing valve, the inconvenient manual jack-up with small-size steam turbine of workman, and then will lead to the workman to be in overhauing in the narrow and small space of relative darkness, can't look over the concrete situation of small-size steam turbine bottom low pressure governing valve, is unfavorable for overhauing workman's on-line maintenance work, and efficiency is lower relatively. Therefore, a special tool for online maintenance of the low-pressure regulating valve of the steam turbine is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the online specialized tool that overhauls of a steam turbine low pressure governing valve that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a steam turbine low pressure governing valve overhauls specialized tool on line, has the base of two frames including the welding of top outer wall, the top of base is equipped with jack-up mechanism, and jack-up mechanism including rotate install two-way screw rod in two frames, in proper order the spiro union in two sliders of two opposite screw ends of two-way screw rod, articulate two upper diagonal rods at two slider tops, insert spacing post, the connecting plate of locating on two sliders, articulate jack-up plate and gradient adjusting part on the connecting plate.
Preferably, the outer walls of the tops of the two racks are both fixed with illuminating lamps, and the bidirectional screw is provided with a hand wheel.
Preferably, the top ends of the two upper inclined rods are hinged to the bottom of the connecting plate.
Preferably, the inclination adjusting assembly comprises a fixed seat fixed on the outer wall of the top of the connecting plate, a butterfly screw screwed on the fixed seat, a moving block with an inner wall connected with one end of the butterfly screw through a bearing, and an adjusting inclined rod hinged to the top of the moving block.
Preferably, the top end of the adjusting inclined rod is hinged to one side of the jacking plate, the top of the connecting plate is provided with a sliding groove, and the outer wall of the moving block is in sliding connection with the inner wall of the sliding groove.
Preferably, two slide blocks are provided with slide holes matched with the limiting columns, and the outer walls of two ends of each limiting column are respectively fixed on the outer wall of the opposite side of the two racks.
The utility model has the advantages that:
1. the jacking mechanism is arranged, the jacking plate can be driven to move upwards continuously by controlling the hand wheel so as to jack the small steam turbine, and further, online maintenance can be performed in a spacious space, so that the maintenance efficiency is improved;
2. in addition, two illuminating lamps are arranged, so that sufficient illumination is provided for maintenance workers, the work of the maintenance workers is facilitated, the inclination angle of the jacking plate can be adjusted through the inclination adjusting assembly to adapt to steam turbines in different conditions, and the maintenance environment can be adapted to different environments.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the on-line maintenance special tool for the low-pressure regulating valve of the steam turbine provided by the utility model;
FIG. 2 is a schematic structural view of the bottom of a connecting plate in the special tool for online maintenance of the low-pressure regulating valve of the steam turbine provided by the utility model;
fig. 3 is the utility model provides a three-dimensional enlarged structure schematic diagram of gradient adjusting part among steam turbine low pressure regulating valve on-line overhaul specialized tool.
In the figure: 1. a base; 2. a frame; 3. a bidirectional screw; 4. a slider; 5. a chute; 6. an upper diagonal rod; 7. a limiting post; 8. a connecting plate; 9. jacking up the plate; 10. a hand wheel; 11. a lighting lamp; 12. a fixed seat; 13. a butterfly screw; 14. a moving block; 15. the diagonal rod is adjusted.
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.
the quantity of frame 2 is two, and two frames 2 all are fixed in proper order on the top left and right sides outer wall of base 1 through the welded mode, and jack-up mechanism specifically comprises following part:
the bidirectional screw 3: the bidirectional screw 3 is respectively connected with the inner walls of the upper parts of the two racks 2 in a penetrating way through two bearings, the bidirectional screw 3 is shown as being provided with two thread ends with opposite thread directions and same thread length, and a hand wheel 10 is fixedly sleeved on the bidirectional screw 3 for facilitating better rotation of the bidirectional screw 3 by people;
and (4) sliding block: the number of the sliding blocks 4 is two, the two sliding blocks 4 are sequentially screwed on the two thread ends, the positions of the two sliding blocks 4 are symmetrically distributed, and sliding holes matched with the following limiting columns 7 are formed in the two sliding blocks 4;
the upper inclined rod 6: the number of the upper inclined rods 6 is two, the two upper inclined rods 6 are hinged to the tops of the two sliding blocks 4 through hinges respectively, the top ends of the two upper inclined rods 6 are hinged to the bottom of the connecting plate 8 through hinges respectively, and the two upper inclined rods 6 are symmetrically arranged;
a limiting column 7: the limiting columns 7 are inserted into the two sliding blocks 4 through the two insertion holes, and the outer walls of two ends of each limiting column 7 are welded to the outer walls of the opposite sides of the two racks 2 respectively through the connecting plates 8;
the jacking plate 9: the jacking plate 9 is hinged to the top of the connecting plate 8 through a hinge;
be provided with jack-up mechanism, through controlling hand wheel 10 alright drive jack-up board 9 constantly rebound and with miniature steam turbine jack-up, and then can carry out online maintenance in spacious space, improved maintenance efficiency.
the illuminating lamps 11 are fixed on the outer walls of the tops of the two racks 2 through bolts, and the two illuminating lamps 11 are connected with the control switch through wires, so that sufficient illumination can be provided for maintenance workers through the two illuminating lamps 11, and the work of the maintenance workers is facilitated;
in order to adapt to the steam turbines in different conditions, the jacking mechanism is also provided with an inclination adjusting assembly which is specifically composed of the following components;
moving block 14: a bearing is fixedly arranged on the inner wall of the right side of the moving block 14, and one end of the butterfly screw 13 is connected with the bearing;
adjusting the inclined rod 15: the adjusting inclined rod 15 is hinged to the top of the moving block 14 through a hinge and is arranged in an inclined mode, and the top end of the adjusting inclined rod 15 is hinged to the right side of the jacking plate 9 through a hinge;
in order to limit the movement of the moving block 14, the top of the connecting plate 8 is provided with a sliding groove 5, and the outer wall of the moving block 14 is slidably connected with the inner wall of the sliding groove 5.
The working principle is as follows: firstly, a hand wheel 10 is rotated to drive a bidirectional screw 3 to rotate in a forward direction, two sliding blocks 4 are separated from each other under the limit of a limit column 7, and then two upper inclined rods 6 which are hinged to each other are contracted together to drive a connecting plate 8 above the upper inclined rods to move downwards, so that the tool can be placed below a steam turbine;
secondly, according to the inclination of the supporting surface of the steam turbine, a butterfly screw 13 is rotated to drive a moving block 14 connected with the butterfly screw through a bearing to move, and then an adjusting inclined rod 15 is finally driven to move, so that the included angle between a hinged jacking plate 9 and a connecting plate 8 is changed to a proper angle and is contacted with the supporting surface of the steam turbine;
finally, the handwheel 10 is rotated reversely to open the two upper inclined rods 6 which are hinged together, so that the connecting plate 8 above the upper inclined rods moves upwards to drive the jacking plate 9 to jack the steam turbine gradually, and then the two illuminating lamps 11 are turned on to carry out maintenance work.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a steam turbine low pressure governing valve examines and repair specialized tool on line, has base (1) of two frames (2) including the welding of top outer wall, its characterized in that, the top of base (1) is equipped with jack-up mechanism, and jack-up mechanism including rotate two-way screw rod (3) of installing on two frames (2), in proper order spiro union in two slider (4) of two opposite screw thread ends of two-way screw rod (3), articulate in two of two slider (4) tops go up down tube (6), insert spacing post (7) of locating on two slider (4), connecting plate (8), articulate jack-up plate (9) and gradient adjusting part on connecting plate (8).
2. The special tool for the online maintenance of the low-pressure regulating valve of the steam turbine as claimed in claim 1, wherein the outer walls of the tops of the two frames (2) are both fixed with illuminating lamps (11), and the bidirectional screw (3) is provided with a hand wheel (10).
3. The special tool for the online maintenance of the low-pressure regulating valve of the steam turbine as claimed in claim 1, wherein the top ends of the two upper inclined rods (6) are hinged to the bottom of the connecting plate (8).
4. The special online maintenance tool for the low pressure regulating valve of the steam turbine as claimed in claim 1, wherein the inclination adjusting assembly comprises a fixed seat (12) fixed on the outer wall of the top of the connecting plate (8), a butterfly screw (13) screwed on the fixed seat (12), a moving block (14) with the inner wall connected with one end of the butterfly screw (13) through a bearing, and an adjusting inclined rod (15) hinged on the top of the moving block (14).
5. The special tool for the online maintenance of the low-pressure regulating valve of the steam turbine as claimed in claim 4, wherein the top end of the regulating diagonal rod (15) is hinged to one side of the jacking plate (9), the top of the connecting plate (8) is provided with the sliding groove (5), and the outer wall of the moving block (14) is slidably connected with the inner wall of the sliding groove (5).
6. The special tool for online overhaul of the low pressure regulating valve of the steam turbine as claimed in claim 1, wherein the two sliding blocks (4) are respectively provided with a sliding hole adapted to the limiting column (7), and outer walls of two ends of the limiting column (7) are respectively fixed to outer walls of opposite sides of the two frames (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891745.8U CN218398022U (en) | 2022-07-21 | 2022-07-21 | Steam turbine low pressure governing valve overhauls specialized tool on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891745.8U CN218398022U (en) | 2022-07-21 | 2022-07-21 | Steam turbine low pressure governing valve overhauls specialized tool on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218398022U true CN218398022U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221891745.8U Active CN218398022U (en) | 2022-07-21 | 2022-07-21 | Steam turbine low pressure governing valve overhauls specialized tool on line |
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| Country | Link |
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| CN (1) | CN218398022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252262A (en) * | 2023-05-10 | 2023-06-13 | 四川省嘉绮瑞航空装备有限公司 | Positioning tool suitable for aircraft parts |
-
2022
- 2022-07-21 CN CN202221891745.8U patent/CN218398022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252262A (en) * | 2023-05-10 | 2023-06-13 | 四川省嘉绮瑞航空装备有限公司 | Positioning tool suitable for aircraft parts |
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