CN217859750U - Steam turbine spare part installation appurtenance - Google Patents
Steam turbine spare part installation appurtenance Download PDFInfo
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- CN217859750U CN217859750U CN202221859793.9U CN202221859793U CN217859750U CN 217859750 U CN217859750 U CN 217859750U CN 202221859793 U CN202221859793 U CN 202221859793U CN 217859750 U CN217859750 U CN 217859750U
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- clamping jaw
- main shaft
- workstation
- steam turbine
- fixing rod
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Abstract
The utility model discloses a steam turbine spare part installation appurtenance, including workstation and base, the bottom at the workstation is established to the base, and the top of workstation is equipped with the main shaft, and the top of workstation is equipped with and is used for carrying out the fixture fixed to the main shaft, and the bottom of workstation is equipped with the actuating mechanism who is used for driving fixture work, and fixture includes first clamping jaw and second clamping jaw, and first clamping jaw and second clamping jaw all set up at the top of workstation, and the cooperation of first clamping jaw and the cooperation of second clamping jaw looks cartridge carries out the centre gripping to the main shaft. The utility model discloses in, the first clamping jaw and the second clamping jaw that drive fixture was driven through the actuating mechanism who sets up move towards the direction of being close to each other for first clamping jaw and second clamping jaw press from both sides tight location to the outer wall of main shaft, thereby have guaranteed the stability of moving blade welding on the main shaft outer wall, and need not staff's manual regulation, convenient and fast, easily operation.
Description
Technical Field
The utility model relates to a steam turbine production technical field especially relates to a steam turbine spare part installation appurtenance.
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 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. The parts of the steam turbine are composed of a rotating part and a static part. The rotor comprises a main shaft, an impeller, a moving blade, a coupling and the like. The stator comprises a steam inlet part, a cylinder, a clapboard, a static cascade, a steam seal, a bearing and the like.
In the process of producing a steam turbine in the prior art, all parts need to be assembled and spliced, the connection and installation between a main shaft and a moving blade in a steam turbine rotor needs to be welded, in order to improve the convenience of welding between the moving blade and the main shaft, an auxiliary device is generally needed to be used for fixing the main shaft, but the auxiliary fixing device in the prior art needs manual operation when clamping and fixing the main shaft, and is troublesome, and when a welding part needs to be adjusted by rotating the main shaft, the auxiliary fixing device also needs manual operation repeatedly, so that the working efficiency of the whole welding and installation operation is reduced, and the integral installation efficiency of the steam turbine is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an auxiliary tool for installing steam turbine parts.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a steam turbine spare part installation appurtenance, includes workstation and base, the bottom at the workstation is established to the base, and the top of workstation is equipped with the main shaft, and the top of workstation is equipped with and is used for carrying out the fixture fixed to the main shaft, and the bottom of workstation is equipped with the actuating mechanism who is used for driving fixture work, and fixture includes first clamping jaw and second clamping jaw, and first clamping jaw and second clamping jaw all set up the top at the workstation, and first clamping jaw and the cooperation of second clamping jaw looks cartridge carry out the centre gripping to the main shaft.
Preferably, the inside of second clamping jaw is seted up logical groove, first clamping jaw and logical inslot wall sliding fit.
Preferably, actuating mechanism drives actuating cylinder including installing on the base, and the output that drives actuating cylinder is connected with the carriage release lever, and its top is equipped with the dead lever, and the both ends of dead lever are upwards perk state, and the both ends of dead lever perk all set up flutedly.
Preferably, the spout has been seted up at the top of workstation, and one side outer wall that first clamping jaw and second clamping jaw are mutually opposite all is connected with the slide bar, and the bottom of two slide bars all passes the spout and is connected with the recess at dead lever both ends.
Preferably, the top of workstation is close to first clamping jaw and second clamping jaw symmetry and is equipped with two supporting spring, and the arc supporting shoe is all installed to two supporting spring's top.
Preferably, the top of workstation is equipped with the mounting panel, and its internally mounted has the rotation lagging, and the one end of main shaft is located the rotation lagging, and the one end that the installation panel was kept away from to the rotation lagging is equipped with the axis of rotation that is used for being connected with external drive mechanism.
Preferably, an upper pressing plate is installed on the inner top surface of the installing plate, a push rod is connected to the outer wall of one side of the fixing rod, the top end of the push rod penetrates through the workbench to be connected with a lower pressing plate, and the upper pressing plate and the lower pressing plate are matched to limit and fix the spindle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the first clamping jaw and the second clamping jaw that drive fixture was driven through the actuating mechanism who sets up move towards the direction of being close to each other for first clamping jaw and second clamping jaw press from both sides tight location to the outer wall of main shaft, thereby have guaranteed the stability of moving blade welding on the main shaft outer wall, and need not staff's manual regulation, convenient and fast, easily operation.
2. The utility model discloses in, through the holding down plate that the top board that sets up on the mounting panel and push rod top set up, when actuating mechanism drive fixture carries out the centre gripping to the main shaft, drive the synchronous upward movement of holding down plate, and cooperate with the top board and carry out the centre gripping fixedly to the main shaft, thereby effectively avoid appearing outside actuating mechanism because of mistake touch switch, drive and rotate the lagging and the same rotation of main shaft, the condition of influence is caused to staff's weldment work and self safety, and also can assist fixture to a certain extent and realize the spacing effect of dual centre gripping to the main shaft.
Drawings
Fig. 1 is a schematic structural view of an auxiliary tool for mounting steam turbine parts according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
fig. 3 is a schematic structural view of the first clamping jaw and the second clamping jaw of the present invention.
In the figure: 1. a work table; 2. a main shaft; 3. a base; 4. mounting a plate; 5. a driving cylinder; 6. a travel bar; 7. fixing the rod; 8. a groove; 9. an arc-shaped supporting block; 10. a support spring; 11. an upper pressure plate; 12. a lower pressing plate; 13. a first jaw; 14. a second jaw; 15. a through groove; 16. a chute; 17. rotating the sleeve plate; 18. a rotating shaft; 19. a push rod; 20. a slide bar.
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.
Referring to fig. 1-3, a steam turbine spare part installation appurtenance, including workstation 1 and base 3, base 3 is established in the bottom of workstation 1, the top of workstation 1 is equipped with main shaft 2, the top of workstation 1 is equipped with and is used for carrying out the fixture fixed to main shaft 2, the bottom of workstation 1 is equipped with and is used for driving the actuating mechanism of fixture work, fixture includes first clamping jaw 13 and second clamping jaw 14, first clamping jaw 13 and second clamping jaw 14 all set up the top at workstation 1, and first clamping jaw 13 and the cooperation of inserting mutually of second clamping jaw 14 carry out the centre gripping to main shaft 2.
A through groove 15 is formed in the second clamping jaw 14, and the first clamping jaw 13 is in sliding fit with the inner wall of the through groove 15.
Actuating mechanism drives actuating cylinder 5 including installing on base 3, and the output that drives actuating cylinder 5 is connected with carriage release lever 6, and its top is equipped with dead lever 7, and the both ends of dead lever 7 are upwards perk state, and the both ends of dead lever 7 perk all set up fluted 8.
Two supporting springs 10 are symmetrically arranged on the top of the workbench 1 close to the first clamping jaw 13 and the second clamping jaw 14, and arc-shaped supporting blocks 9 are mounted at the top ends of the two supporting springs 10. When the moving blade needs to be welded and installed on the outer wall of the main shaft 2, the main shaft 2 needs to be placed on the tops of the two arc-shaped supporting blocks 9 at the top of the workbench 1, so that the supporting spring 10 is compressed by the gravity from the main shaft 2, at this time, the main shaft 2 is just located in a gap between the first clamping jaw 13 and the second clamping jaw 14, the driving cylinder 5 is started, the output end of the driving cylinder extends upwards to drive the moving rod 6 and the fixed rod 7 to move upwards together, the bottom ends of the two sliding rods 20 are pushed to slide upwards in the grooves 8, and the first clamping jaw 13 and the second clamping jaw 14 at the top ends of the two sliding rods 20 are synchronously driven to move towards the mutually approaching direction, at this time, one clamping jaw of the first clamping jaw 13 can be inserted into the through groove 15 of the second clamping jaw 14 until the first clamping jaw 13 and the second clamping jaw 14 are butted and contacted with the outer wall of the main shaft 2, the main shaft 2 is clamped and fixed, the stability of the moving blade welded on the outer wall of the main shaft 2 is ensured, and the moving blade does not need to be manually adjusted by a worker, and is relatively convenient and quick.
The top of workstation 1 is equipped with mounting panel 4, and its internally mounted has the rotation lagging 17, and the one end of main shaft 2 is located the rotation lagging 17, and the one end that the installation panel 4 was kept away from to the rotation lagging 17 is equipped with the axis of rotation 18 that is used for being connected with external drive mechanism. When the moving blade is welded on the outer wall of the main shaft 2, the main shaft 2 needs to be rotated repeatedly, so as to change the welding position of the moving blade on the main shaft 2, at this time, the rotating shaft 18 can be connected with an external driving mechanism, and the output end of the driving cylinder 5 is contracted for a certain distance, so that the first clamping jaw 13 and the second clamping jaw 14 are driven to move towards the directions away from each other, a certain gap is reserved between the main shaft 2 and the first clamping jaw 13 and the second clamping jaw 14, so that the external driving mechanism can drive the rotating shaft 18, the rotating sleeve plate 17 and the main shaft 2 inserted in the rotating sleeve plate 17 to rotate, and the welding position of the moving blade on the outer wall of the main shaft 2 is changed conveniently.
An upper pressing plate 11 is installed on the inner top surface of the installing plate 4, a push rod 19 is connected to the outer wall of one side of the fixing rod 7, the top end of the push rod penetrates through the workbench 1 to be connected with a lower pressing plate 12, and the upper pressing plate 11 is matched with the lower pressing plate 12 to limit and fix the spindle 2. When driving actuating cylinder 5 and driving first clamping jaw 13 and second clamping jaw 14 and carry out the centre gripping to main shaft 2, can drive the synchronous upwards removal of push rod 19, make the holding down plate 12 upward movement on push rod 19 top cooperate with top board 11 and carry out the centre gripping fixedly to main shaft 2, thereby can avoid appearing the staff and miss the switch that touches outside actuating mechanism, it rotates to drive main shaft 2, the circumstances that causes the influence to staff's weldment work and self safety, and also can assist first clamping jaw 13 and second clamping jaw 14 to a certain extent, the realization is to the spacing effect of the dual centre gripping of main shaft 2, improve main shaft 2 stability when carrying out weldment work.
The utility model discloses in, when needs are with moving blade welded mounting on the outer wall of main shaft 2, place main shaft 2 at the top of 1 top of workstation two arc supporting shoes 9's top, main shaft 2 this moment just is located the space department between first clamping jaw 13 and the second clamping jaw 14, start driving cylinder 5, drive first clamping jaw 13 and second clamping jaw 14 through a series of structures and remove towards the direction of being close to each other, it is fixed to carry out the centre gripping to main shaft 2, the stability of moving blade welding on 2 outer walls of main shaft has been guaranteed, and need not that the staff is manual to be adjusted, comparatively convenient and fast.
Meanwhile, when the driving cylinder 5 drives the first clamping jaw 13 and the second clamping jaw 14 to clamp the spindle 2, the driving cylinder can drive the push rod 19 to move upwards synchronously, so that the lower pressing plate 12 at the top end of the push rod 19 moves upwards to be matched with the upper pressing plate 11 to clamp and fix the spindle 2, the first clamping jaw 13 and the second clamping jaw 14 can be assisted, the dual-clamping limiting effect on the spindle 2 is achieved, and the stability of the spindle 2 during welding is improved.
When the moving blade is welded on the outer wall of the main shaft 2, the main shaft 2 needs to be rotated repeatedly, so as to change the welding position of the moving blade on the main shaft 2, at this time, the output end of the driving air cylinder 5 can be controlled to contract for a certain distance, the first clamping jaw 13 and the second clamping jaw 14 are driven to move towards the mutual away direction, so that the main shaft 2 loses the clamping fixation of the first clamping jaw 13 and the second clamping jaw 14, an external driving mechanism can drive the main shaft 2 inserted in the rotating sleeve plate 17 to rotate freely, the welding position of the moving blade is convenient to change, the whole welding operation efficiency of the moving blade is improved, and further the whole installation efficiency of the steam turbine is synchronously improved.
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 (7)
1. The utility model provides a steam turbine spare part installation appurtenance, includes workstation (1) and base (3), the bottom at workstation (1) is established in base (3), a serial communication port, the top of workstation (1) is equipped with main shaft (2), the top of workstation (1) is equipped with and is used for carrying out the fixture fixed to main shaft (2), the bottom of workstation (1) is equipped with the actuating mechanism who is used for driving fixture work, fixture includes first clamping jaw (13) and second clamping jaw (14), first clamping jaw (13) and second clamping jaw (14) all set up the top at workstation (1), and first clamping jaw (13) and second clamping jaw (14) looks cartridge cooperation carry out the centre gripping to main shaft (2).
2. The auxiliary mounting tool for the steam turbine component parts, according to claim 1, is characterized in that the second clamping jaw (14) is internally provided with a through groove (15), and the first clamping jaw (13) is in sliding fit with the inner wall of the through groove (15).
3. The auxiliary mounting tool for the steam turbine component according to claim 1, wherein the driving mechanism comprises a driving cylinder (5) mounted on the base (3), the output end of the driving cylinder (5) is connected with a moving rod (6), a fixing rod (7) is disposed at the top of the driving cylinder, two ends of the fixing rod (7) are tilted upwards, and two ends of the fixing rod (7) are both provided with grooves (8).
4. The auxiliary mounting tool for the steam turbine components and parts according to claim 1, characterized in that a sliding groove (16) is formed in the top of the workbench (1), sliding rods (20) are connected to the outer walls of the opposite sides of the first clamping jaw (13) and the second clamping jaw (14), and the bottom ends of the two sliding rods (20) are connected with the grooves (8) at the two ends of the fixing rod (7) through the sliding groove (16).
5. The steam turbine part installation auxiliary tool according to claim 1, characterized in that two supporting springs (10) are symmetrically arranged on the top of the workbench (1) close to the first clamping jaw (13) and the second clamping jaw (14), and arc-shaped supporting blocks (9) are respectively arranged at the top ends of the two supporting springs (10).
6. The steam turbine component mounting auxiliary tool according to claim 1, characterized in that the top of the workbench (1) is provided with a mounting plate (4) in which a rotating sleeve plate (17) is mounted, one end of the main shaft (2) is positioned in the rotating sleeve plate (17), and one end of the rotating sleeve plate (17) away from the mounting plate (4) is provided with a rotating shaft (18) for connecting with an external driving mechanism.
7. The auxiliary mounting tool for the steam turbine parts as claimed in claim 6, wherein the mounting plate (4) is provided with an upper pressing plate (11) on the inner top surface, the outer wall of one side of the fixing rod (7) is connected with a push rod (19), the top end of the fixing rod penetrates through the workbench (1) to be connected with a lower pressing plate (12), and the upper pressing plate (11) and the lower pressing plate (12) are matched to limit and fix the main shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221859793.9U CN217859750U (en) | 2022-07-19 | 2022-07-19 | Steam turbine spare part installation appurtenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221859793.9U CN217859750U (en) | 2022-07-19 | 2022-07-19 | Steam turbine spare part installation appurtenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217859750U true CN217859750U (en) | 2022-11-22 |
Family
ID=84052843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221859793.9U Active CN217859750U (en) | 2022-07-19 | 2022-07-19 | Steam turbine spare part installation appurtenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217859750U (en) |
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2022
- 2022-07-19 CN CN202221859793.9U patent/CN217859750U/en active Active
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