CN216290459U

CN216290459U - Generator guide bearing axle bush clearance adjustment device

Info

Publication number: CN216290459U
Application number: CN202123014140.9U
Authority: CN
Inventors: 左述康; 赵栋栋; 张义; 万平国; 何维
Original assignee: Sichuan Huaneng Taipingyi Hydropower Co Ltd
Current assignee: Sichuan Huaneng Taipingyi Hydropower Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-12
Anticipated expiration: 2031-12-03

Abstract

The utility model provides a generator guide bearing bush clearance adjusting device. Generator guide bearing axle bush clearance adjustment device includes: a shaft collar; a housing disposed on the collar; a bolt threadedly mounted on the housing; the bearing bush is arranged on the shaft collar and is rotationally connected with the bolt; the fixing frame is fixedly arranged on the outer wall of one side of the shell; the two fixing blocks are respectively fixedly arranged at the top and the bottom of the fixing frame; the two rotating rods are respectively and rotatably arranged on the two fixed blocks; and the two belt pulleys are fixedly sleeved on the two rotating rods respectively. The generator guide bearing bush clearance adjusting device provided by the utility model has the advantages of simplicity in operation, convenience in use and avoidance of deviation and deformation.

Description

Generator guide bearing axle bush clearance adjustment device

Technical Field

The utility model relates to the technical field of generators, in particular to a generator guide bearing bush clearance adjusting device.

Background

The generator is mechanical equipment for converting energy of other forms into electric energy, the guide bearing bush is an essential important component of the generator, the guide bearing bush plays a role in stabilizing the rotation center of the main shaft, and in order to ensure that the bush is not burnt during working, a layer of oil film gap must be formed between the bush and the shaft collar, so that the gap adjustment work needs to be carried out on the guide bearing bush.

However, when the gap of the guide bearing bush is adjusted conventionally, the adjustment is usually performed by using a bolt, and as the main shaft swings greatly, the thread on the bolt is difficult to bear large radial force, so that the displacement and deformation phenomena are easily caused, and certain trouble is brought to the operation of the unit.

Therefore, it is necessary to provide a generator guide bearing bush clearance adjusting device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a generator guide bearing bush clearance adjusting device which is simple to operate and convenient to use and avoids the phenomena of deviation and deformation.

In order to solve the above technical problem, the present invention provides a generator guide bearing bush clearance adjusting device, comprising: a shaft collar; a housing disposed on the collar; a bolt threadedly mounted on the housing; the bearing bush is arranged on the shaft collar and is rotationally connected with the bolt; the fixing frame is fixedly arranged on the outer wall of one side of the shell; the two fixing blocks are respectively fixedly arranged at the top and the bottom of the fixing frame; the two rotating rods are respectively and rotatably arranged on the two fixed blocks; the two belt pulleys are fixedly sleeved on the two rotating rods respectively; the belt is sleeved on the two belt pulleys; the two gears are fixedly sleeved on the two rotating rods respectively; the two toothed plates are respectively and slidably mounted at the top and the bottom of the fixing frame, the outer wall of one side, close to each other, of the two toothed plates extends into the fixing frame, and the two toothed plates are respectively meshed with the two gears; and the two clamping blocks are fixedly arranged on the outer wall of one side, close to the two toothed plates, of the two toothed plates respectively.

Preferably, a plurality of clamping grooves are formed in the outer wall of the bolt, rubber pads are fixedly mounted on the outer walls of the two clamping blocks respectively, the two clamping blocks extend into the corresponding clamping grooves respectively, and the two rubber pads are in contact with the inner walls of the corresponding clamping grooves respectively.

Preferably, a limiting hole is formed in the outer wall of one side of the casing, a limiting rod is fixedly mounted on the outer wall of the bearing bush, and the limiting rod penetrates through the limiting hole and is in sliding connection with the inner wall of the limiting hole.

Preferably, the openings have been seted up respectively to the top and the bottom of mount, two on the inner wall of opening respectively the symmetry install the stopper, two spacing groove has been seted up respectively on the both sides outer wall of pinion rack, one side outer wall of stopper extend to in the spacing groove and with the inner wall sliding connection of spacing groove.

Preferably, any rotating rod is fixedly sleeved with a ratchet wheel, the bottom of the fixing frame is hinged with a pawl, and the pawl is meshed with the ratchet wheel.

Preferably, a cavity is formed in the bearing bush, a piston is slidably mounted on the inner wall of the cavity, a pull rod is fixedly mounted at the top of the piston, a pull ring is fixedly mounted at the top end of the pull rod, an oil receiving cavity is formed in the bearing bush, an oil discharge pipe is fixedly mounted on the inner wall of one side of the oil receiving cavity and extends into the cavity, an oil pumping pipe is fixedly mounted on the inner wall of the bottom of the cavity, and the bottom end of the oil pumping pipe extends to the lower side of the bearing bush.

Preferably, a plurality of tapered holes are formed in the inner wall of the bearing bush and communicated with the oil receiving cavity.

Compared with the prior art, the generator guide bearing bush clearance adjusting device provided by the utility model has the following beneficial effects:

the utility model provides a generator guide bearing bush clearance adjusting device, which can drive a bearing bush to approach or separate from a shaft collar by rotating a bolt, is convenient to adjust the size of a clearance, can drive two clamping blocks to limit the bolt by rotating a rotating rod, avoids the occurrence of a deviation phenomenon and improves the stability.

Drawings

Fig. 1 is a schematic front view of a first embodiment of a bearing bush clearance adjusting device for a guide bearing of a generator according to the present invention;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

fig. 3 is a schematic front view of a generator guide bearing bush clearance adjusting apparatus according to a second embodiment of the present invention.

Reference numbers in the figures: 1. a shaft collar; 2. a housing; 3. a bolt; 4. bearing bushes; 5. a fixed mount; 6. a fixed block; 7. a rotating rod; 8. a belt pulley; 9. a belt; 10. a gear; 11. a toothed plate; 12. a clamping block; 13. a cavity; 14. a piston; 15. a pull rod; 16. an oil receiving cavity is formed; 17. an oil discharge pipe; 18. and (4) an oil pumping pipe.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-2, in a first embodiment of the present invention, a generator guide bearing bush clearance adjusting apparatus includes: a shaft collar 1; a housing 2, wherein the housing 2 is arranged on the shaft collar 1; the bolt 3 is mounted on the shell 2 in a threaded mode; a hexagon plate is fixed on the bolt 3, the hexagon plate is convenient to rotate by using a special tool, and the bearing bush 4 is arranged on the shaft collar 1 and is rotationally connected with the bolt 3; the fixing frame 5 is fixedly arranged on the outer wall of one side of the shell 2; the two fixing blocks 6 are respectively fixedly arranged at the top and the bottom of the fixing frame 5; the two rotating rods 7 are respectively and rotatably arranged on the two fixed blocks 6; the two belt pulleys 8 are respectively fixedly sleeved on the two rotating rods 7; the belt 9 is sleeved on the two belt pulleys 8; under the action of the belt 9, the two rotating rods 7 rotate simultaneously, and the two gears 10 are fixedly sleeved on the two rotating rods 7 respectively; the two toothed plates 11 are respectively and slidably mounted at the top and the bottom of the fixed frame 5, the outer walls of the two toothed plates 11 at the mutually close sides extend into the fixed frame 5, and the two toothed plates 11 are respectively meshed with the two gears 10; the equal fixed mounting of tooth on two pinion racks 11 is on its one side outer wall that is close to each other to can realize when two gears 10 rotate simultaneously, two pinion racks 11 are the motion in opposite directions or dorsad, two fixture block 12 respectively fixed mounting is two on the one side outer wall that pinion racks 11 are close to each other, can strengthen bolt 3's stability through two fixture block 12 that set up, avoid appearing the displacement and warp.

In order to increase the friction force between the bolt 3 and the fixture blocks 12 and reduce the possibility of deflection and deformation of the bolt 3, a plurality of clamping grooves are formed in the outer wall of the bolt 3, rubber pads are fixedly mounted on the outer walls of the two fixture blocks 12 respectively, the two fixture blocks 12 extend into the corresponding clamping grooves respectively, and the two rubber pads are in contact with the inner walls of the corresponding clamping grooves respectively.

In order to avoid the rotation phenomenon of the bearing bush 4 and limit the bearing bush, a limiting hole is formed in the outer wall of one side of the casing 2, a limiting rod is fixedly mounted on the outer wall of the bearing bush 4, and the limiting rod penetrates through the limiting hole and is in sliding connection with the inner wall of the limiting hole.

In order to limit the two toothed plates 11 and keep the two toothed plates to move vertically all the time, openings are respectively formed in the top and the bottom of the fixing frame 5, limiting blocks are symmetrically arranged on the inner walls of the openings respectively, limiting grooves are formed in the outer walls of the two sides of the two toothed plates 11 respectively, and the outer wall of one side of each limiting block extends into the corresponding limiting groove and is connected with the inner wall of the corresponding limiting groove in a sliding mode.

In order to avoid the rotation phenomenon of the rotating rod 7 and limit the rotating rod, a ratchet wheel is fixedly sleeved on any one rotating rod 7, a pawl is hinged to the bottom of the fixing frame 5, and the pawl is meshed with the ratchet wheel.

In this embodiment:

when the adjustable gap adjusting device is used, the bearing bush 4 can be driven to approach the shaft collar 1 by rotating the bolt 3, the bearing bush 4 can be prevented from rotating under the action of the limiting rod, the limiting effect is achieved, the bearing bush 4 can be driven to gradually separate from the shaft collar 1 by reversing the bolt 3, the gap adjusting effect is achieved conveniently, after the adjustment is completed, one rotating rod 7 is rotated, the rotating rod 7 drives the two belt pulleys 8 to rotate, the two rotating rods 7 rotate simultaneously under the action of the belt 9, the two rotating rods 7 drive the two gears 10 to rotate, the two gears 10 drive the two toothed plates 11 to move oppositely, the movement of the toothed plates 11 can be limited under the action of the limiting block, the toothed plates 11 can keep vertical movement all the time, the two toothed plates 11 drive the two clamping blocks 12 to be clamped into the clamping grooves, the limiting work of the bolt 3 is achieved, and the friction force of the bolt can be increased under the action of the rubber pad, avoid taking place the skew phenomenon and the deformation of bolt 3, bull stick 7 drives the ratchet simultaneously and rotates, can avoid bull stick 7 to take place the rotation phenomenon under mutually supporting of ratchet and pawl, play to its spacing effect, thereby realize improving the stability of bolt 3, when needs adjustment axle bush 4, can stir the pawl, then the ratchet on bull stick 7 loses the injeciton of pawl, then in reversing bull stick 7 just can drive two fixture blocks 12 and withdraw from the draw-in groove on the bolt 3, thereby bolt 3 loses the injeciton of two fixture blocks 12, conveniently adjust work to it, and the operation is simple, high durability and convenient use.

just can drive axle bush 4 through rotating bolt 3 and be close to or keep away from to collar 1, conveniently adjust the size in clearance, just can drive two fixture blocks 12 through rotating bull stick 7 and inject bolt 3, avoid taking place the skew phenomenon, improve stability.

Second embodiment:

based on the generator guide bearing bush clearance adjustment device provided by the first embodiment of the application, the second embodiment of the application provides another generator guide bearing bush clearance adjustment device. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Referring to fig. 3, the gap adjusting device for the bearing bush of the generator guide bearing further includes a cavity 13, the cavity 13 is disposed on the bearing bush 4, a piston 14 is slidably mounted on an inner wall of the cavity 13, a pull rod 15 is fixedly mounted on a top of the piston 14, a pull ring is fixedly mounted on a top end of the pull rod 15, an oil body is conveniently pumped into the cavity 13 through the piston 14 and the pull rod 15, so as to conveniently perform oil filling work on the inner wall of the bearing bush 4, an oil receiving cavity 16 is disposed on the bearing bush 4, an oil discharge pipe 17 is fixedly mounted on an inner wall of one side of the oil receiving cavity 16, the oil discharge pipe 17 extends into the cavity 13, a first reverse valve is disposed on the oil discharge pipe 17 to prevent the oil body from flowing backwards, an oil pumping pipe 18 is fixedly mounted on an inner wall of a bottom of the cavity 13, a bottom end of the oil pumping pipe 18 extends to a lower side of the bearing bush 4, and a second one-way valve is disposed on the oil pumping pipe 18, avoiding the reflux phenomenon of oil bodies.

In order to enable the oil body in the oil receiving cavity 16 to be sputtered onto the inner wall of the bearing bush 4 to be uniform, a plurality of tapered holes are formed in the inner wall of the bearing bush 4, and are communicated with the oil receiving cavity 16

In this embodiment:

when adding the oil film on axle bush 4, can be so that take out oil pipe 18 and outside oil body and be connected, then pull rod 15, and then pull rod 15 drives piston 14 and slides in cavity 13, outside at this moment is by the body through taking out oil pipe 18 and get into to cavity 13 in, can avoid taking out the oil body reflux in oil pipe 18 under the effect of second check valve, press down pull rod 15 afterwards, and then can arrange the oil body in cavity 13 into through arranging oil pipe 17 and connect in oil pocket 16, can prevent simultaneously that the oil body in arranging oil pipe 17 from appearing palirrhea phenomenon under the effect of first check valve, and then connect the oil body in the oil pocket 16 to discharge to the inner wall of axle bush 4 through a plurality of bell mouth on, thereby realize conveniently refueling axle bush 4, and easy operation, high durability and convenient use, and high working efficiency.

the utility model provides a bearing bush clearance adjusting device of a generator guide bearing, which can conveniently discharge oil bodies to the inner wall of a bearing bush 4 by connecting an oil pumping pipe 18 with an external oil body and then repeatedly drawing a pull rod 15, thereby realizing convenient oiling work, having simple operation and improving the processing efficiency.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, and the like of the device is not completely described, but on the premise that those skilled in the art understand the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a generator guide bearing axle bush clearance adjustment device which characterized in that includes:

a shaft collar;

a housing disposed on the collar;

a bolt threadedly mounted on the housing;

the bearing bush is arranged on the shaft collar and is rotationally connected with the bolt;

the fixing frame is fixedly arranged on the outer wall of one side of the shell;

the two fixing blocks are respectively fixedly arranged at the top and the bottom of the fixing frame;

the two rotating rods are respectively and rotatably arranged on the two fixed blocks;

the two belt pulleys are fixedly sleeved on the two rotating rods respectively;

the belt is sleeved on the two belt pulleys;

the two gears are fixedly sleeved on the two rotating rods respectively;

the two toothed plates are respectively and slidably mounted at the top and the bottom of the fixing frame, the outer wall of one side, close to each other, of the two toothed plates extends into the fixing frame, and the two toothed plates are respectively meshed with the two gears;

and the two clamping blocks are fixedly arranged on the outer wall of one side, close to the two toothed plates, of the two toothed plates respectively.

2. The generator guide bearing bush clearance adjusting device as claimed in claim 1, wherein a plurality of slots are formed on an outer wall of the bolt, rubber pads are fixedly mounted on outer walls of two of the clamping blocks, the two clamping blocks extend into the corresponding slots, and the two rubber pads are in contact with inner walls of the corresponding slots.

3. The generator guide bearing bush clearance adjustment apparatus of claim 1, wherein a limiting hole is formed on an outer wall of one side of the housing, a limiting rod is fixedly mounted on an outer wall of the bush, and the limiting rod penetrates through the limiting hole and is slidably connected with an inner wall of the limiting hole.

4. The generator guide bearing bush clearance adjusting device as claimed in claim 1, wherein the top and bottom of the fixing frame are respectively provided with an opening, the inner walls of the two openings are respectively and symmetrically provided with a limiting block, the outer walls of the two sides of the two tooth plates are respectively provided with a limiting groove, and one outer wall of the limiting block extends into the limiting groove and is slidably connected with the inner wall of the limiting groove.

5. The generator guide bearing bush clearance adjustment device of claim 1, wherein a ratchet wheel is fixedly sleeved on any one of the rotating rods, a pawl is hinged to the bottom of the fixed frame, and the pawl is meshed with the ratchet wheel.

6. The generator guide bearing bush clearance adjusting device according to claim 1, wherein a cavity is formed in the bearing bush, a piston is slidably mounted on an inner wall of the cavity, a pull rod is fixedly mounted at the top of the piston, a pull ring is fixedly mounted at the top end of the pull rod, an oil receiving cavity is formed in the bearing bush, an oil discharge pipe is fixedly mounted on an inner wall of one side of the oil receiving cavity, the oil discharge pipe extends into the cavity, an oil pumping pipe is fixedly mounted on an inner wall of the bottom of the cavity, and the bottom end of the oil pumping pipe extends to the position below the bearing bush.

7. The generator guide bearing bush clearance adjustment device of claim 6, wherein a plurality of tapered holes are formed in an inner wall of the bearing bush, and the tapered holes are communicated with the oil receiving cavity.