CN210468980U - Novel upper guide bearing supporting structure of generator - Google Patents

Novel upper guide bearing supporting structure of generator Download PDF

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Publication number
CN210468980U
CN210468980U CN201921219119.2U CN201921219119U CN210468980U CN 210468980 U CN210468980 U CN 210468980U CN 201921219119 U CN201921219119 U CN 201921219119U CN 210468980 U CN210468980 U CN 210468980U
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China
Prior art keywords
guide bearing
lead
key
bearing
bearing bush
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Application number
CN201921219119.2U
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Chinese (zh)
Inventor
胡海虹
郑宏用
谭信
徐步超
王健
贵树鑫
李向阳
周旭磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Xianyou Pumped Storage Power Co ltd
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
Original Assignee
Fujian Xianyou Pumped Storage Power Co ltd
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
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Application filed by Fujian Xianyou Pumped Storage Power Co ltd, State Grid Corp of China SGCC, State Grid Xinyuan Co Ltd filed Critical Fujian Xianyou Pumped Storage Power Co ltd
Priority to CN201921219119.2U priority Critical patent/CN210468980U/en
Application granted granted Critical
Publication of CN210468980U publication Critical patent/CN210468980U/en
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Abstract

The utility model relates to a novel lead bearing structure on generator, including a distance head, the distance head is provided with a plurality of bearing devices of leading on along its direction of rotation's periphery, should go up and lead the bearing device including leading the bearing bush, it laminates mutually with the distance head to lead the bearing bush innermost end, it is equipped with a key to go up to lead the bearing bush outer end, and this key outside is provided with the dog that is used for the support key, a arc wall has been seted up inwards to dog outer end surface, is provided with a spherical pillar in this arc wall, the spherical pillar extend outwards and with lead the bearing housing rigid coupling, lead the bearing housing and lead the bearing bush lower extreme on and all support through a bearing housing, lead bearing structure reasonable structure on this novel generator, safety and stability.

Description

Novel upper guide bearing supporting structure of generator
Technical Field
The utility model relates to a novel lead bearing support structure on generator.
Background
The upper guide bearing is used for bearing radial mechanical unbalance force and electromagnetic unbalance force of a rotating part of the unit, so that the axis of the unit swings in a specified numerical range. Its main structural components include guide bearing bush, guide bearing support, slide rotor and oil cooler, etc.
For a suspension type generator set, due to the influence of the winding degree of an upper frame, an upper guide bearing bush is easy to incline, so that the upper half part of the bearing bush is contacted with a sliding rotor, and if a supporting structure has no self-adjusting capacity, the local stress of the bearing bush is possibly large, and the safe and stable operation of the generator set is threatened.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art, the utility model aims to solve the technical problem that a novel lead bearing support structure on generator is provided, not only rational in infrastructure, use safety and stability moreover.
In order to solve the technical problem, the technical scheme of the utility model is that: including a thrust collar, the thrust collar is provided with a plurality of last bearing device that lead along its direction of rotation's periphery, should go up and lead the bearing device including leading the bearing bush, go up and lead the bearing bush innermost and the thrust collar laminating mutually, it is equipped with a key to lead the bearing bush outer end, and this key outside is provided with the dog that is used for supporting the key, an arc wall has been seted up inwards to dog outer end surface, is provided with a spherical pillar in this arc wall, and the spherical pillar extends outwards and with lead the bearing housing rigid coupling, lead the bearing housing and lead the bearing bush lower extreme on and all support through a supporting seat.
Furthermore, an oil baffle plate is horizontally arranged above the upper guide bearing bush, the inner end of the oil baffle plate is contacted with the thrust head through a sealing ring, and the outer end of the oil baffle plate is connected with the lower guide bearing seat.
Furthermore, a screw rod is arranged above the upper guide bearing bush, the screw rod is vertically inserted into the upper guide bearing bush from top to bottom, the key and the screw rod are arranged in parallel, the upper end of the key is connected with the screw rod through a horizontally arranged adjusting block, the adjusting block is fixedly connected with the key and is screwed on the screw rod, and nuts screwed on the screw rod are arranged on the upper side and the lower side of the adjusting block; the oil baffle plate is provided with a yielding port for the screw rod and the key to pass through.
Furthermore, the spherical pillar is in a convex structure, the convex direction extends outwards horizontally into the guide bearing seat to be fixedly connected, the inner end of the spherical pillar is a spherical surface, and the radius of the arc-shaped groove is slightly larger than that of the spherical surface.
Furthermore, a convex block is protruded on the upper surface of the supporting seat below the upper guide bearing bush and is contacted with the upper guide bearing bush.
Furthermore, the outer end of the guide bearing seat is fixedly connected with a frame.
Furthermore, the outer end face of the key is an inclined plane which slightly inclines outwards from bottom to top, and the inner end face of the key is tightly attached to the upper guide bearing bush.
Furthermore, the sealing ring is connected with the oil baffle plate, the oil baffle plate is connected with the guide bearing seat, the guide bearing seat is connected with the supporting seat, and the guide bearing seat is connected with the frame through bolts.
Compared with the prior art, the utility model discloses following beneficial effect has: this novel lead bearing structure on generator through the lug on the supporting seat and the formation point bearing structure of last guide bearing bush, with the design of spherical support, can effectively eliminate the influence of frame degree of winding, leads bearing device swing flexibility on the reinforcing, improves generating set's safety and stability.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of B-B, C-C, D-D of FIG. 1;
FIG. 3 is an enlarged schematic view of G of FIG. 1;
FIG. 4 is a cross-sectional view F-F of FIG. 2;
FIG. 5 is a cross-sectional view of E-E in FIG. 2;
fig. 6 is a part diagram of a spherical pillar according to an embodiment of the present invention.
In the figure: 1-thrust collar, 2-upper guide bearing device, 3-upper guide bearing bush, 4-key, 5-stop block, 6-arc groove, 7-spherical support column, 8-guide bearing seat, 9-support seat, 10-oil baffle, 11-sealing ring, 12-screw rod, 13-adjusting block, 14-nut, 15-relief opening, 16-frame, 17-bolt and 18-lug.
Detailed Description
As shown in fig. 1-5, a novel generator upper guide bearing support structure, including a thrust collar 1, the thrust collar is provided with a plurality of upper guide bearing devices 2 along its rotation direction's periphery, should go up guide bearing device including upper guide bearing bush 3, go up guide bearing bush innermost end and thrust collar and laminate mutually, the upper guide bearing bush outer end is equipped with a key 4, and this key outside is provided with dog 5 for the support key, an arc wall 6 has been seted up inwards to dog outer end surface, is provided with a spherical pillar 7 in this arc wall, and spherical pillar extends outwards and with guide bearing seat 8 rigid coupling, guide bearing seat and upper guide bearing bush lower extreme all support through a supporting seat 9.
The embodiment of the utility model provides an in, it sets up one and keeps off oiled-plate 10 to lead bearing bush top level on, keep off oiled-plate inner through sealing ring 11 and thrust collar contact, keep off oiled-plate outer end and below and lead the bearing frame and meet.
In the embodiment of the utility model, a screw 12 is arranged above the upper guide bearing bush, the screw is vertically inserted into the upper guide bearing bush from top to bottom, the key is arranged in parallel with the screw, the upper end of the key is connected with the screw through a horizontally arranged adjusting block 13, the adjusting block is fixedly connected with the key and is screwed on the screw, and nuts 14 screwed on the screw are arranged above and below the adjusting block; the oil baffle plate is provided with a yielding port 15 for the screw rod and the key to pass through.
The embodiment of the utility model provides an in, the spherical support is a "protruding" font structure, and links firmly in the protrusion direction level extends into the guide bearing frame outwards, and this spherical support inner is a sphere, and arc recess radius slightly is greater than spherical radius to do benefit to the spherical support internal rotation in arc recess.
The embodiment of the utility model provides an in, the supporting seat upper surface arch that is located upper guide bearing bush below has lug 18 to contact with upper guide bearing bush, forms point contact structure, can effectively avoid the supporting seat to make the risk of upper guide bearing bush damage with upper guide bearing bush surface contact can't be adjusted.
In the embodiment of the present invention, the outer end of the guide bearing seat is fixedly connected to a frame 16.
In the embodiment of the present invention, the outer end surface of the key is an inclined plane inclined outward slightly from bottom to top, the inner end surface of the stopper is consistent with the outer end surface of the key and is an inclined plane and is attached to the outer end surface of the key, and the inner end surface of the key is closely attached to the upper guide bearing tile.
In the embodiment of the present invention, the sealing ring and the oil baffle plate, the oil baffle plate and the guide bearing seat, the guide bearing seat and the supporting seat, and the guide bearing seat and the frame are all connected by the bolt 17.
The utility model discloses theory of operation of embodiment: firstly, due to the influence of the winding degree of a frame, the axis of the generator set swings in a specified numerical range, namely, a thrust head swings, at the moment, an upper guide bearing bush and a key form a whole through a screw rod, an adjusting block, a sealing ring, an oil baffle plate, a guide bearing seat, a spherical pillar and a supporting seat, a gap between the key and the baffle block can realize gap removal through loosening a nut and adjusting the adjusting block and the key, when the thrust head swings to drive the upper guide bearing bush to swing, the upper guide bearing bush and the key can be used as supporting points and swing in a yielding range, meanwhile, the baffle block is in contact with the other whole formed by the sealing ring, the oil baffle plate, the guide bearing seat, the spherical pillar and the supporting seat, and the swing range can be effectively reduced along with the swing, but the rotation of the spherical pillar in an arc-shaped groove, so that the safety and.
The present invention is not limited to the above preferred embodiments, and any person can obtain other novel generator upper guide bearing support structures in various forms under the teaching of the present invention. All the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims (8)

1. The utility model provides a novel lead bearing support structure on generator which characterized in that: including a thrust collar, the thrust collar is provided with a plurality of last bearing device that lead along its direction of rotation's periphery, should go up and lead the bearing device including leading the bearing bush, go up and lead the bearing bush innermost and the thrust collar laminating mutually, it is equipped with a key to lead the bearing bush outer end, and this key outside is provided with the dog that is used for supporting the key, an arc wall has been seted up inwards to dog outer end surface, is provided with a spherical pillar in this arc wall, and the spherical pillar extends outwards and with lead the bearing housing rigid coupling, lead the bearing housing and lead the bearing bush lower extreme on and all support through a supporting seat.
2. The novel generator upper guide bearing support structure according to claim 1, wherein: an oil baffle plate is horizontally arranged above the upper guide bearing bush, the inner end of the oil baffle plate is contacted with the thrust head through a sealing ring, and the outer end of the oil baffle plate is connected with the lower guide bearing seat.
3. The novel generator upper guide bearing support structure according to claim 2, wherein: a screw rod is arranged above the upper guide bearing bush, the screw rod is vertically inserted into the upper guide bearing bush from top to bottom, the key is arranged in parallel with the screw rod, the upper end of the key is connected with the screw rod through an adjusting block which is horizontally arranged, the adjusting block is fixedly connected with the key and is screwed on the screw rod, and nuts screwed on the screw rod are arranged on the upper and lower sides of the adjusting block; the oil baffle plate is provided with a yielding port for the screw rod and the key to pass through.
4. The novel generator upper guide bearing support structure according to claim 1, wherein: the spherical pillar is of a convex structure, the convex direction horizontally extends outwards to the guide bearing seat to be fixedly connected, the inner end of the spherical pillar is a spherical surface, and the radius of the arc-shaped groove is slightly larger than that of the spherical surface.
5. The novel generator upper guide bearing support structure according to claim 1, wherein: the upper surface of the supporting seat under the upper guide bearing bush is provided with a convex block which is contacted with the upper guide bearing bush.
6. The novel generator upper guide bearing support structure according to claim 2, wherein: the outer end of the guide bearing seat is fixedly connected with a frame.
7. The novel generator upper guide bearing support structure according to claim 1, wherein: the outer end face of the key is an inclined plane slightly inclined outwards from bottom to top, and the inner end face of the key is tightly attached to the upper guide bearing bush.
8. The novel generator upper guide bearing support structure of claim 6, wherein: the sealing ring is connected with the oil baffle plate, the oil baffle plate is connected with the guide bearing seat, the guide bearing seat is connected with the supporting seat, and the guide bearing seat is connected with the frame through bolts.
CN201921219119.2U 2019-07-31 2019-07-31 Novel upper guide bearing supporting structure of generator Active CN210468980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921219119.2U CN210468980U (en) 2019-07-31 2019-07-31 Novel upper guide bearing supporting structure of generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921219119.2U CN210468980U (en) 2019-07-31 2019-07-31 Novel upper guide bearing supporting structure of generator

Publications (1)

Publication Number Publication Date
CN210468980U true CN210468980U (en) 2020-05-05

Family

ID=70448676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921219119.2U Active CN210468980U (en) 2019-07-31 2019-07-31 Novel upper guide bearing supporting structure of generator

Country Status (1)

Country Link
CN (1) CN210468980U (en)

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