CN210286461U - Upper end cover bearing bush hoisting mechanism of end cover type steam turbine generator capable of being conveniently finely adjusted - Google Patents
Upper end cover bearing bush hoisting mechanism of end cover type steam turbine generator capable of being conveniently finely adjusted Download PDFInfo
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- CN210286461U CN210286461U CN201921114251.7U CN201921114251U CN210286461U CN 210286461 U CN210286461 U CN 210286461U CN 201921114251 U CN201921114251 U CN 201921114251U CN 210286461 U CN210286461 U CN 210286461U
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- pull rod
- end cover
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Abstract
The utility model discloses an end cover formula turbo generator's that can conveniently finely tune upper end cover bearing bush hoisting machine constructs has solved the problem of finely tuning the difficulty when pushing the bearing bush clearance between rotor journal and the end cover shaft hole. The upper end cover bearing bush (3) is arranged on an L-shaped cantilever frame (17), the L-shaped cantilever frame (17) is fixed at the left end of a horizontal swing arm (7), a pin shaft (6) is arranged at the lower end of an inverted L-shaped lifting appliance (4), the horizontal swing arm (7) is hinged on the pin shaft (6), a lower pull rod (9) is connected on a vertical pull rod hinge seat (8), the upper end of the lower pull rod (9) is in threaded connection with a rotary adjusting nut (15), an upper pull rod (11) is in threaded connection with an upper port of the rotary adjusting nut (15) through an upper pull rod lower end male thread (16), the upper end of the upper pull rod (11) is fixedly connected onto an upper pull rod fixing seat (12), and the upper pull rod fixing seat (12) is fixed at the upper end of the inverted L-shaped lifting appliance (4). The accurate counterpoint of convenient sealing tile and installation gap.
Description
Technical Field
The utility model relates to an end cover formula turbo generator's hoist and mount frock, in particular to end cover formula turbo generator's end cover axle bush hoisting machine constructs.
Background
The rotor journal among the end cover formula turbo generator supports on the end cover axle bush, and the axle bush is that the later stage is installed on the shaft hole of end cover, and the installation of end cover formula turbo generator is: firstly, installing a generator stator on a base, connecting a lower end cover of a driving end to the driving end of the generator stator through a bolt, penetrating a generator rotor into the stator through hoisting, and connecting an upper end cover and the lower end cover together with the driving end of the generator stator after buckling; the existing bearing bush mounting method is that the bearing bush is lifted up manually and pushed into a gap between a rotor journal and an end cover shaft hole, and the bearing bush needs to be finely adjusted and positioned in the gap pushing process due to the narrow mounting space of the bearing bush so as to realize accurate alignment of the bearing bush and the gap; because the two persons lift the bearing bush to be installed in the gap, the two persons lift the bearing bush to be inconsistent in height, and the problem of difficulty in adjusting and aligning coordination exists, and the invention of the device for improving the aligning precision and avoiding the installation collision through mechanical assistance is urgently needed on site.
Disclosure of Invention
The utility model provides an end cover formula turbo generator's that can conveniently finely tune upper end cover bearing bush hoisting machine constructs has solved the technical problem who finely tunes the difficulty when pushing the bearing bush clearance between rotor journal and the end cover shaft hole.
The utility model discloses a solve above technical problem through following technical scheme:
an upper end cover bearing bush hoisting mechanism of an end cover type turbonator capable of being conveniently finely adjusted comprises an inverted L-shaped hanger and an end cover shaft hole of the end cover type turbonator, a generator rotor shaft neck is arranged in the end cover shaft hole, a bearing bush mounting gap is formed between the generator rotor shaft neck and the end cover shaft hole, an upper end cover bearing bush is arranged on the outer side of the bearing bush mounting gap, the upper end cover bearing bush is arranged on an L-shaped cantilever frame, the L-shaped cantilever frame is fixed at the left end of a horizontal swing arm, a hinge pin is arranged at the lower end of the inverted L-shaped hanger, the horizontal swing arm is hinged on the hinge pin, a vertical pull rod hinge seat is arranged at the right end of the horizontal swing arm at the right side of the hinge pin, a lower pull rod is connected on the vertical pull rod hinge seat, a lower pull rod upper end male thread is arranged at the upper end of the lower pull rod, a, the upper pull rod is in threaded connection with the upper port of the rotary adjusting nut through the male thread at the lower end of the upper pull rod, the upper end of the upper pull rod is fixedly connected to the upper pull rod fixing seat, and the upper pull rod fixing seat is fixed to the upper end of the inverted L-shaped lifting appliance.
An upper pull rod fixing sleeve and a lower pull rod fixing sleeve are respectively arranged on a vertical rod of the inverted L-shaped lifting appliance, the upper pull rod is connected in the upper pull rod fixing sleeve in a penetrating manner, the lower pull rod is connected in the lower pull rod fixing sleeve in a penetrating manner, and a steel wire lifting rope is arranged at the top end of the inverted L-shaped lifting appliance.
The utility model discloses lifting by crane the in-process at the axle bush and using adjustment mechanism to carry out micro adjustment, conveniently seal the accurate counterpoint in tile and installation gap, guaranteed the stability of hoist and mount installation, furthest has avoided the damage in the installation of axle bush.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the fine adjustment mechanism of the present invention;
fig. 3 is a schematic structural view of the fine adjustment mechanism of the present invention in the side view direction.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
an upper end cover bearing bush hoisting mechanism of an end cover type turbonator capable of being conveniently finely adjusted comprises an inverted L-shaped hanger 4 and an end cover shaft hole of the end cover type turbonator, a generator rotor shaft neck 1 is arranged in the end cover shaft hole, a bearing bush mounting gap 2 is formed between the generator rotor shaft neck 1 and the end cover shaft hole, an upper end cover bearing bush 3 is arranged outside the bearing bush mounting gap 2, the upper end cover bearing bush 3 is arranged on an L-shaped cantilever frame 17, the L-shaped cantilever frame 17 is fixed at the left end of a horizontal swing arm 7, a pin shaft 6 is arranged at the lower end of the inverted L-shaped hanger 4, the horizontal swing arm 7 is hinged on the pin shaft 6, a vertical pull rod hinge seat 8 is arranged at the right end of the horizontal swing arm 7 on the right side of the pin shaft 6, a lower pull rod 9 is connected on the vertical pull rod hinge seat 8, a lower pull rod upper end male thread 10 is arranged at the upper end of the, an upper pull rod lower end male thread 16 is arranged at the lower end of the upper pull rod, the upper pull rod 11 is screwed in an upper port of the rotary adjusting nut 15 through the upper pull rod lower end male thread 16, the upper end of the upper pull rod 11 is fixedly connected to an upper pull rod fixing seat 12, and the upper pull rod fixing seat 12 is fixed at the upper end of the inverted L-shaped lifting appliance 4; the threads in the upper and lower ports of the rotary adjusting nut 15 are reversed.
An upper pull rod fixing sleeve 13 and a lower pull rod fixing sleeve 14 are respectively arranged on the vertical rod of the inverted L-shaped lifting appliance 4, an upper pull rod 11 is connected in the upper pull rod fixing sleeve 13 in a penetrating manner, a lower pull rod 9 is connected in the lower pull rod fixing sleeve 14 in a penetrating manner, and a steel wire lifting rope 5 is arranged at the top end of the inverted L-shaped lifting appliance 4.
The travelling crane is used as a lifting point, the mounting bearing bush is lifted to the outer side of the bearing bush mounting gap 2, the horizontal swing arm 7 is slightly lifted or falls down by rotating and rotating the adjusting nut 15, the upper end cover bearing bush 3 and the bearing bush mounting gap 2 are completely aligned, then the inverted L-shaped lifting appliance 4 is translated, and the mounting of the upper end cover bearing bush 3 entering the gap is completed.
Claims (2)
1. An upper end cover bearing bush hoisting mechanism of an end cover type steam turbine generator convenient to fine adjust comprises an inverted L-shaped lifting appliance (4) and an end cover shaft hole of the end cover type steam turbine generator, wherein a generator rotor shaft neck (1) is arranged in the end cover shaft hole, and a bearing bush mounting gap (2) is formed between the generator rotor shaft neck (1) and the end cover shaft hole, and is characterized in that an upper end cover bearing bush (3) is arranged on the outer side of the bearing bush mounting gap (2), the upper end cover bearing bush (3) is arranged on an L-shaped cantilever frame (17), the L-shaped cantilever frame (17) is fixed at the left end of a horizontal swing arm (7), a pin shaft (6) is arranged at the lower end of the inverted L-shaped lifting appliance (4), the horizontal swing arm (7) is hinged on the pin shaft (6), a vertical pull rod hinge base (8) is arranged at the right end of the horizontal swing arm (7) on the right side of the pin, the upper end of the lower pull rod (9) is provided with a lower pull rod upper end male thread (10), the lower pull rod upper end male thread (10) is connected with a rotary adjusting nut (15) in a threaded mode, the lower end of the upper pull rod is provided with an upper pull rod lower end male thread (16), the upper pull rod (11) is in threaded connection with an upper port of the rotary adjusting nut (15) through the upper pull rod lower end male thread (16), the upper end of the upper pull rod (11) is fixedly connected to an upper pull rod fixing seat (12), and the upper pull rod fixing seat (12) is fixed to the upper end of the inverted L-shaped lifting appliance (4).
2. The mechanism for hoisting the upper end cover bearing bush of the end cover type steam turbine generator capable of being finely adjusted conveniently according to claim 1, wherein an upper pull rod fixing sleeve (13) and a lower pull rod fixing sleeve (14) are respectively arranged on the vertical rod of the inverted L-shaped hanger (4), the upper pull rod (11) is penetrated in the upper pull rod fixing sleeve (13), the lower pull rod (9) is penetrated in the lower pull rod fixing sleeve (14), and a steel wire lifting rope (5) is arranged at the top end of the inverted L-shaped hanger (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114251.7U CN210286461U (en) | 2019-07-16 | 2019-07-16 | Upper end cover bearing bush hoisting mechanism of end cover type steam turbine generator capable of being conveniently finely adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114251.7U CN210286461U (en) | 2019-07-16 | 2019-07-16 | Upper end cover bearing bush hoisting mechanism of end cover type steam turbine generator capable of being conveniently finely adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210286461U true CN210286461U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921114251.7U Active CN210286461U (en) | 2019-07-16 | 2019-07-16 | Upper end cover bearing bush hoisting mechanism of end cover type steam turbine generator capable of being conveniently finely adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210286461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520567A (en) * | 2020-12-09 | 2021-03-19 | 江苏筑港建设集团有限公司 | Frock suitable for dredge pump end cover |
-
2019
- 2019-07-16 CN CN201921114251.7U patent/CN210286461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520567A (en) * | 2020-12-09 | 2021-03-19 | 江苏筑港建设集团有限公司 | Frock suitable for dredge pump end cover |
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