CN214519914U - Tool for quickly disassembling 300MW steam turbine generator stator taper pin - Google Patents
Tool for quickly disassembling 300MW steam turbine generator stator taper pin Download PDFInfo
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- CN214519914U CN214519914U CN202120443839.8U CN202120443839U CN214519914U CN 214519914 U CN214519914 U CN 214519914U CN 202120443839 U CN202120443839 U CN 202120443839U CN 214519914 U CN214519914 U CN 214519914U
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- pin
- thrust bearing
- taper pin
- screw thread
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Abstract
The utility model discloses a dismantle instrument of 300MW turbogenerator stator taper pin fast belongs to turbogenerator technical field, its technical essential connecting pin axle screw thread, the top fixed mounting of connecting pin axle screw thread has the connecting lead screw, the surface cover of connecting lead screw is equipped with pretension nut and thrust bearing, pretension nut is located thrust bearing's top, thrust bearing's below is provided with the support base, the surface of connecting pin axle screw thread is located to the support base cover. The utility model discloses a, the ingenious principle that utilizes object atress reciprocity of whole device, with the extrusion force conversion of thrust bearing effect on supporting the base connecting the screw rod to the pulling force of taper pin, simultaneously, thrust bearing exists and to bear axial thrust big, rotates nimble characteristics, makes the device convenient operation, has realized the single working method of getting the taper pin, has abandoned traditional 2-3 people complex operating method, simultaneously, has protected the taper pin to avoid the damage at the in-process of pulling out.
Description
Technical Field
The utility model belongs to the technical field of turbo generator, concretely relates to dismantle instrument of 300MW turbo generator stator taper pin fast.
Background
In the process of adjusting the assembling clearance between the stator and the rotor of the generator, the positioning pin of the stator of the generator needs to be pulled out, but the positioning pin is an inclined pin, the operation space is limited, the traditional positioning pin puller is difficult to construct, when the positioning pin cannot be pulled out due to jamming, a tool is often welded at the bolt of the positioning pin, and the positioning pin is taken out in a mode of pushing out a hydraulic jack.
Therefore, in order to solve this kind of problem, the utility model provides a dismantle instrument of 300MW turbogenerator stator taper pin fast, through according to the on-the-spot demand of overhauing, the specialized tool of locating pin is dismantled to convenient design, but accomplish one-man operation, and does not cause the damage to the locating pin and solve the above-mentioned problem of proposing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dismantle 300MW turbogenerator stator taper pin's instrument fast 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: the utility model provides a convenient specialized tool who dismantles MW turbogenerator stator taper pin, includes connecting pin axle screw thread, the top fixed mounting of connecting pin axle screw thread has the connecting screw rod, the surface cover of connecting screw rod is equipped with pretension nut and thrust bearing, pretension nut is located thrust bearing's top, thrust bearing's below is provided with the support base, the surface of connecting pin axle screw thread is located to the support base cover.
Preferably, the pre-tightening nut comprises a nut body, a positioning groove is formed in the surface of the nut body, a plurality of positioning blocks are fixedly mounted on the surface of the nut body, and the plurality of positioning blocks are uniformly distributed.
Preferably, the thrust bearing comprises two bearing plates, and a plurality of bearing balls are connected to two opposite sides of the two bearing plates in a sliding mode.
Preferably, the connecting pin shaft screw thread comprises a pin thread connecting groove, the bottom of the pin thread connecting groove is provided with a pin thread body, and the top of the pin thread connecting groove is fixedly connected with the bottom of the connecting screw rod.
Preferably, the top of the pin buckle body is provided with a tapered groove.
Compared with the prior art, the beneficial effects of the utility model are that: the whole device ingeniously utilizes the principle of the stress reciprocity of objects, the extrusion force of the thrust bearing acting on the supporting base is converted into the pulling force of the connecting screw rod on the taper pin, meanwhile, the thrust bearing has the characteristics of large bearable axial thrust and flexible rotation, so that the device is convenient to operate, the working mode of taking the taper pin by a single person is realized, the traditional 2-3-person matched operation method is abandoned, and meanwhile, the taper pin is protected from being damaged in the pulling process.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is a front sectional view of the pre-tightening nut of the present invention;
fig. 3 is a top sectional view of the pre-tightening nut of the present invention;
FIG. 4 is a connection structure diagram of the connection pin shaft screw thread and the connection screw rod of the present invention;
fig. 5 is a front sectional view of the thrust bearing of the present invention.
In the figure: 1. pre-tightening the nut; 11. a nut body; 12. positioning a groove; 13. positioning blocks; 2. a support base; 3. a thrust bearing; 31. a bearing plate; 32. a bearing bead; 4. connecting a pin shaft screw thread; 41. a pin buckle body; 42. a pin buckle connection slot; 5. and connecting the screw rod.
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.
Please refer to fig. 1-4, the utility model provides a dismantle instrument of 300MW turbine generator stator taper pin fast, including connecting pin axle screw thread 4, connecting pin axle screw thread 4's top fixed mounting has connecting lead screw 5, and connecting lead screw 5's surface cover is equipped with pretension nut 1 and thrust bearing 3, and pretension nut 1 is located thrust bearing 3's top, and thrust bearing 3's below is provided with supports base 2, supports base 2 cover and locates connecting pin axle screw thread 4's surface.
In this embodiment, preferably, the pretension nut 1 includes a nut body 11, a positioning groove 12 has been seted up on the surface of the nut body 11, a plurality of locating pieces 13 are all fixedly mounted on the surface of the nut body 11, and a plurality of locating pieces 13 are evenly distributed, and the positioning groove 12 and the locating piece 13 are provided on the pretension nut 1 through the setting, so that the pretension nut 1 can be conveniently fixed and connected with other parts.
In this embodiment, preferably, the thrust bearing 3 includes two bearing plates 31, and the equal sliding connection in one side that two bearing plates 31 are relative has a plurality of bearing balls 32, and bearing plate 31 and bearing ball 32 have constituteed a whole jointly, and this whole can make thrust bearing 3 have and bear axial thrust big, rotate nimble function to the effectual stability that has improved the device.
In this embodiment, preferably, the connecting pin shaft thread 4 includes a pin thread connecting groove 42, the bottom of the pin thread connecting groove 42 is provided with a pin thread body 41, the top of the pin thread connecting groove 42 is fixedly connected with the bottom of the connecting screw rod 5, the pin thread connecting groove 42 establishes a fixed connection with the connecting screw rod 5, and the bottom of the connecting pin shaft thread 4 can establish a connection with the taper pin in cooperation with the pin thread body 41.
In this embodiment, preferably, the top of the latch body 41 is provided with a tapered groove, which is convenient.
The utility model discloses a theory of operation and use flow: the device comprises four parts, namely a pretightening nut 1, a supporting base 2, a thrust bearing 3, a connecting pin shaft screw thread 4 and a connecting screw rod 5, wherein the connecting screw rod 5 is connected with a taper pin through a thread, the device transmits the thread tightening force matched with a back cap and the connecting screw rod 5 to the thrust bearing 3 by screwing the pretightening nut 1, the thrust bearing 3 is used as a tightening force transmission and device rotating part sleeve, the tightening force is acted on the supporting base 2, the tightening force is transmitted to the taper pin by the connecting pin shaft screw thread 4 in the process of continuously screwing the back cap to pull out the taper pin, the device skillfully utilizes the principle of the interaction of the stress of an object, the extrusion force acted on the supporting base 2 by the thrust bearing 3 is converted into the pulling force of the connecting screw rod 5 to the taper pin, meanwhile, the thrust bearing 3 has the characteristics of large axial thrust bearing and flexible rotation, so that the device is convenient to operate, and realizes the working mode of taking the taper pin by a single person, the traditional 2-3 person-matched operation method is abandoned, and meanwhile, the taper pin is protected from being damaged in the pulling process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dismantle instrument of 300MW turbogenerator stator taper pin fast, includes connecting pin axle screw thread (4), its characterized in that: the connecting screw rod (5) is fixedly installed at the top of the connecting pin shaft screw thread (4), a pre-tightening nut (1) and a thrust bearing (3) are sleeved on the surface of the connecting screw rod (5), the pre-tightening nut (1) is located above the thrust bearing (3), a supporting base (2) is arranged below the thrust bearing (3), and the surface of the connecting pin shaft screw thread (4) is sleeved with the supporting base (2).
2. The tool for rapidly disassembling the 300MW steam turbine generator stator taper pin according to claim 1, is characterized in that: the pre-tightening nut (1) comprises a nut body (11), a positioning groove (12) is formed in the surface of the nut body (11), a plurality of positioning blocks (13) are fixedly mounted on the surface of the nut body (11), and the positioning blocks (13) are uniformly distributed.
3. The tool for rapidly disassembling the 300MW steam turbine generator stator taper pin according to claim 1, is characterized in that: the thrust bearing (3) comprises two bearing plates (31), and a plurality of bearing balls (32) are connected to one opposite side of each bearing plate (31) in a sliding mode.
4. The tool for rapidly disassembling the 300MW steam turbine generator stator taper pin according to claim 1, is characterized in that: the connecting pin shaft screw thread (4) comprises a pin thread connecting groove (42), a pin thread body (41) is arranged at the bottom of the pin thread connecting groove (42), and the top of the pin thread connecting groove (42) is fixedly connected with the bottom of the connecting screw rod (5).
5. The tool for rapidly disassembling the 300MW steam turbine generator stator taper pin according to claim 4, is characterized in that: the top of the pin buckle body (41) is provided with a tapered groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120443839.8U CN214519914U (en) | 2021-03-01 | 2021-03-01 | Tool for quickly disassembling 300MW steam turbine generator stator taper pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120443839.8U CN214519914U (en) | 2021-03-01 | 2021-03-01 | Tool for quickly disassembling 300MW steam turbine generator stator taper pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214519914U true CN214519914U (en) | 2021-10-29 |
Family
ID=78259470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120443839.8U Active CN214519914U (en) | 2021-03-01 | 2021-03-01 | Tool for quickly disassembling 300MW steam turbine generator stator taper pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214519914U (en) |
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2021
- 2021-03-01 CN CN202120443839.8U patent/CN214519914U/en active Active
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