CN110640675A - Auxiliary replacing device for fan bearing of cooling tower - Google Patents
Auxiliary replacing device for fan bearing of cooling tower Download PDFInfo
- Publication number
- CN110640675A CN110640675A CN201910837196.2A CN201910837196A CN110640675A CN 110640675 A CN110640675 A CN 110640675A CN 201910837196 A CN201910837196 A CN 201910837196A CN 110640675 A CN110640675 A CN 110640675A
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- China
- Prior art keywords
- cooling tower
- impeller
- fan bearing
- bearing
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an auxiliary bearing replacing device, in particular to an auxiliary cooling tower fan bearing replacing device. The invention aims to provide a cooling tower fan bearing auxiliary replacing device which can play a role of supporting an impeller. An auxiliary replacing device for a fan bearing of a cooling tower comprises a mounting rack, a bearing seat and the like; the middle part of the mounting rack is provided with a bearing seat. The invention achieves the effects of supporting the impeller and assisting installation, a worker slides the shielding box to one side, the cross rod is inserted into the corresponding jack, then the worker can disassemble the fan bearing, the buffer piece is driven to move downwards under the action of the gravity of the rotating shaft and the impeller to play a buffering role, when the rotating shaft and the impeller need to be supported upwards in the replacement process, the worker continuously steps on the pedal, the rotating shaft and the impeller can be slowly supported, the replacement and installation operation is assisted to be completed, the guide sleeve plays a role in guiding the rotating shaft, and the rotating shaft and the impeller are prevented from shifting.
Description
Technical Field
The invention relates to an auxiliary bearing replacing device, in particular to an auxiliary cooling tower fan bearing replacing device.
Background
The fan structure of cooling tower is comparatively simple, and generally the bearing all fixes embedding in the axle sleeve, and it is rotatory to drag following impeller of belt drive by the motor to reach the radiating effect, because external environment reason and fan permanent operation back fan part component also have certain degradation and shorten whole life, appear impeller and belt pulley lining bearing and connecting axle from this and can often be disconnected, need often change.
At present, the replacement operation is generally that the impeller is hung on a support by a rope firstly to bear force, then the bearing and the shaft are disassembled, the new bearing is replaced and then the bearing is installed again, the effect is not good, and therefore the auxiliary replacement device for the fan bearing of the cooling tower, which can play a role in bearing the impeller, is researched and developed.
Disclosure of Invention
The invention aims to overcome the defect that the prior replacement operation generally includes the steps of firstly hoisting an impeller on a bracket by using a rope to bear force and then disassembling a bearing and a shaft, and provides a cooling tower fan bearing auxiliary replacement device capable of supporting the impeller.
The technical scheme is as follows: a cooling tower fan bearing auxiliary replacing device comprises a mounting frame, a bearing seat, a fan bearing, a rotating shaft, an impeller, a rotating motor, belt pulleys, a flat belt, a slide rail, a slide block, a shielding box, a connecting rod, a transverse rod, a stop block, a buffering part and a clamping ball, wherein the bearing seat is arranged in the middle of the mounting frame, the fan bearing is arranged on the bearing seat, the rotating shaft is arranged on the fan bearing, the impeller is arranged at the bottom of the rotating shaft, the rotating motor is arranged on the mounting frame, the belt pulleys are arranged on an output shaft and the rotating shaft of the rotating motor, the flat belt is arranged between the two belt pulleys, the slide rail is arranged on two supports in the middle of the mounting frame in an embedded manner, the slide rail is provided with the slide block in a sliding manner, the clamping ball is symmetrically arranged on the slide rail, the two, the slider downside is provided with the connecting rod, and the connecting rod lower part is provided with the horizontal pole, has all opened the jack on the cooling tower wall that the horizontal pole both ends correspond, and horizontal pole and jack cooperation are provided with the dog between two horizontal poles, are provided with the buffering part on the dog, and the buffering part is used for playing the supporting effect to axis of rotation and impeller.
As the improvement of the scheme, the buffering component comprises a guide rod, a buffering component and a first elastic piece, guide grooves are symmetrically formed in the stop block, the guide rod is arranged in the guide grooves in a sliding mode, the first elastic piece is arranged between the guide rod and the guide grooves, and the buffering component is arranged on the guide rod.
As the improvement of above-mentioned scheme, still including the pipeline, first piston, the cylinder body, the second piston, the footboard, the hose, the check valve, second elastic component and relief valve, it has the inner chamber to open in the dog, the gliding type is provided with first piston on the inner chamber, first piston is connected with the bolster, the gliding type is provided with the pipeline on the cooling tower wall, pipeline one end and dog inner chamber intercommunication, the pipeline other end is provided with the relief valve, install the cylinder body on the cooling tower wall, the movable second piston that is provided with in the cylinder body, second piston top is provided with the footboard, be provided with the second elastic component between footboard and the cylinder body, the cylinder body bottom is provided with two hoses, all be provided with the check valve on the hose, one of them.
As an improvement of the scheme, the cooling tower further comprises a connecting rod and a guide sleeve, the connecting rod is mounted on the inner wall of the cooling tower, the guide sleeve is arranged on the connecting rod, and the guide sleeve is used for guiding the rotating shaft.
As an improvement of the scheme, the cooling tower fixing device further comprises a fixing rod and a clamping sleeve, the fixing rod is movably arranged on the outer wall of the cooling tower corresponding to the cylinder body, the clamping sleeve is arranged on the outer wall of the cooling tower corresponding to the cylinder body, and a through hole is formed in the cross rod close to one end of the fixing rod.
The beneficial effects are that: the invention achieves the effects of supporting the impeller and assisting installation, a worker slides the shielding box to one side, the slider drives the cross rod to move, the cross rod is inserted into the corresponding jack, then the worker can disassemble the fan bearing, the buffer piece is driven to move downwards under the action of the gravity of the rotating shaft and the impeller to play a buffering role, when the rotating shaft and the impeller need to be supported upwards in the replacement process, the worker continuously steps on the pedal to slowly support the rotating shaft and the impeller, replacement and installation operations are assisted to be completed, and the guide sleeve plays a role in guiding the rotating shaft to prevent the rotating shaft and the impeller from deviating.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a first partial schematic front view structure of the present invention.
Fig. 4 is a second partial schematic front view structure of the present invention.
In the reference symbols: 1 … mounting bracket, 2 … bearing seat, 3 … fan bearing, 4 … rotating shaft, 5 … impeller, 6 … rotating motor, 7 … belt pulley, 8 … flat belt, 9 … sliding rail, 10 … sliding block, 11 … shielding box, 12 … connecting rod, 13 … jack, 14 … cross bar, 15 … baffle, 16 … buffer component, 161 … guide groove, 162 … guide rod, 163 … buffer component, 164 … first elastic component, 17 … clamping ball, 18 … clamping groove, 19 … pipeline, 20 … first piston, 21 … cylinder, 22 … second piston, 23 … pedal, 24 … hose, 25 … one-way valve, 26 … second elastic component, 27 … pressure relief valve, 28 … connecting rod, 29 …, 30 … through hole, 31 … fixing rod and 32 … clamping sleeve.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, an auxiliary replacing device for a fan bearing of a cooling tower comprises a mounting frame 1, a bearing seat 2, a fan bearing 3, a rotating shaft 4, an impeller 5, a rotating motor 6, a belt pulley 7, a flat belt 8, a sliding rail 9, a sliding block 10, a shielding box 11, a connecting rod 12, a cross rod 14, a stop block 15, a buffering component 16 and a clamping ball 17, wherein the bearing seat 2 is arranged in the middle of the mounting frame 1, the fan bearing 3 is arranged on the bearing seat 2, the rotating shaft 4 is arranged on the fan bearing 3, the impeller 5 is arranged at the bottom of the rotating shaft 4, the rotating motor 6 is arranged on the mounting frame 1, the belt pulleys 7 are arranged on an output shaft of the rotating motor 6 and the rotating shaft 4, the flat belt 8 is arranged between the two belt pulleys 7, the sliding rail 9 is arranged on two supports in the middle of the, the slide rail 9 both ends all have opened draw-in groove 18, draw-in groove 18 and the cooperation of card ball 17, be provided with on the slider 10 and shelter from case 11, it has the quad slit to shelter from the side face side that case 11 is close to rotating electrical machines 6 to open, the slider 10 downside is provided with connecting rod 12, connecting rod 12 lower part is provided with horizontal pole 14, jack 13 has all been opened on the cooling tower wall that horizontal pole 14 both ends correspond, horizontal pole 14 and jack 13 cooperation, be provided with dog 15 between two horizontal poles 14, be provided with buffer member 16 on the dog 15, buffer member 16 is used for playing the supporting role to axis of rotation 4 and impeller 5.
The buffer component 16 includes a guide bar 162, a buffer component 163 and a first elastic component 164, the stopper 15 is symmetrically provided with a guide slot 161, the guide bar 162 is arranged in the guide slot 161 in a sliding manner, the first elastic component 164 is arranged between the guide bar 162 and the guide slot 161, the first elastic component 164 is a compression spring, and the buffer component 163 is arranged on the guide bar 162.
When needing to carry out fan bearing 3's change, the staff will shelter from case 11 and slide to one side, shelter from case 11 and drive slider 10 and remove at slide rail 9, card ball 17 and draw-in groove 18 separation, slider 10 drives horizontal pole 14 and removes, when the card ball 17 card of slider 10 opposite side goes into corresponding draw-in groove 18 in, horizontal pole 14 inserts to the jack 13 that corresponds in, at this moment, buffer unit 16 is located impeller 5 below, then the staff alright carry out fan bearing 3's dismantlement, put down axis of rotation 4 and impeller 5 slowly, drive bolster 163 downstream under axis of rotation 4 and impeller 5's action of gravity, first elastic component 164 is compressed, play the cushioning effect, alright change the operation. After the replacement is completed, the worker can shield the box 11 to slide towards the middle part, the shielding box 11 can be located above the fan bearing 3 again, the shielding effect can be achieved, the influence on the fan bearing caused by the external environment is relieved, and the device is simple in structure and convenient to operate.
Example 2
As shown in fig. 1-4, the piston device further comprises a pipeline 19, a first piston 20, a cylinder 21 and a second piston 22 on the basis of embodiment 1, the cooling tower comprises a pedal 23, hoses 24, one-way valves 25, a second elastic part 26 and a pressure release valve 27, wherein an inner cavity is formed in the stopper 15, a first piston 20 is arranged on the inner cavity in a sliding mode, the first piston 20 is connected with a buffer member 163, a pipeline 19 is arranged on the wall of the cooling tower in a sliding mode, one end of the pipeline 19 is communicated with the inner cavity of the stopper 15, the pressure release valve 27 is arranged at the other end of the pipeline 19, a cylinder body 21 is installed on the wall of the cooling tower in a bolt connection mode, the second piston 22 is movably arranged in the cylinder body 21, the pedal 23 is arranged at the top of the second piston 22, the second elastic part 26 is arranged between the pedal 23 and the cylinder body 21, the second elastic part 26 is a compression spring, the bottom of the cylinder body 21 is provided with.
When the change in-process need upwards hold up axis of rotation 4 and impeller 5, the staff constantly steps on footboard 23, under second elastic component 26 auxiliary action, the continuous up-and-down motion of second piston 22, go into the air pump to the 15 inner chambers of dog, first piston 20 drives bolster 163 upward movement, and then hold up axis of rotation 4 and impeller 5, supplementary completion change installation work, the installation is accomplished, emit the inner chamber gas through the hydrovalve, and then first piston 20 drives bolster 163 downstream, this device simple structure, can play the auxiliary erection effect.
The cooling tower further comprises a connecting rod 28 and a guide sleeve 29, the connecting rod 28 is installed on the inner wall of the cooling tower in a bolt connection mode, the guide sleeve 29 is arranged on the connecting rod 28, and the guide sleeve 29 is used for guiding the rotating shaft 4. When the rotating shaft 4 and the impeller 5 need to be lifted upwards in the replacement process, the guide sleeve 29 plays a role in guiding the rotating shaft 4 and prevents the rotating shaft 4 and the impeller 5 from deviating.
The cooling tower cooling device further comprises a fixing rod 31 and a clamping sleeve 32, the fixing rod 31 is movably arranged on the outer wall of the cooling tower corresponding to the cylinder body 21, the clamping sleeve 32 is connected with the outer wall of the cooling tower corresponding to the cylinder body 21 through a bolt, and a through hole 30 is formed in one end, close to the fixing rod 31, of the cross rod 14. The outer wall of the cooling tower corresponding to the cylinder body 21 is movably provided with a fixing rod 31 and a clamping sleeve 32, the fixing rod 31 penetrates through the through hole 30 on the cross rod 14 and is inserted into the clamping sleeve 32, the fixing effect on the cross rod 14 can be achieved, and deviation is prevented.
Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made herein without departing from the principles and spirit of the invention as defined by the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as merely illustrative, and not limitative of the remainder of the disclosure, but rather to limit the scope of the disclosure to the full extent set forth in the appended claims.
Claims (5)
1. The utility model provides a supplementary device of changing of cooling tower fan bearing, including mounting bracket (1), bearing frame (2), fan bearing (3), axis of rotation (4), impeller (5), rotating electrical machines (6), belt pulley (7) and flat belt (8), mounting bracket (1) middle part is provided with bearing frame (2), be provided with fan bearing (3) on bearing frame (2), be provided with axis of rotation (4) on fan bearing (3), axis of rotation (4) bottom is provided with impeller (5), be provided with rotating electrical machines (6) on mounting bracket (1), all be provided with belt pulley (7) on output shaft and the axis of rotation (4) of rotating electrical machines (6), be provided with flat belt (8) between two belt pulley (7), characterized by: the cooling tower is characterized by further comprising a sliding rail (9), a sliding block (10), a shielding box (11), a connecting rod (12), a cross rod (14), a stop block (15), a buffering part (16) and a clamping ball (17), wherein the sliding rail (9) is embedded in each of two supports in the middle of the mounting rack (1), the sliding block (10) is slidably arranged on the sliding rail (9), the clamping balls (17) are symmetrically arranged on the sliding block (10), clamping grooves (18) are formed in two ends of the sliding rail (9), the clamping grooves (18) are matched with the clamping balls (17), the shielding box (11) is arranged on the sliding block (10), square holes are formed in the side faces, close to the rotating motor (6), of the shielding box (11), the connecting rod (12) is arranged on the lower side of the sliding block (10), the cross rod (14) is arranged on the lower portion of the connecting rod (12), inserting holes (13) are formed in the cooling tower, a stop block (15) is arranged between the two cross rods (14), a buffer part (16) is arranged on the stop block (15), and the buffer part (16) is used for supporting the rotating shaft (4) and the impeller (5).
2. The auxiliary replacement device for the fan bearing of the cooling tower as claimed in claim 1, wherein: the buffer component (16) comprises a guide rod (162), a buffer piece (163) and a first elastic piece (164), guide grooves (161) are symmetrically formed in the stop block (15), the guide rod (162) is arranged in the guide grooves (161) in a sliding mode, the first elastic piece (164) is arranged between the guide rod (162) and the guide grooves (161), and the buffer piece (163) is arranged on the guide rod (162).
3. The auxiliary replacement device for the fan bearing of the cooling tower as claimed in claim 2, wherein: the cooling tower further comprises a pipeline (19), a first piston (20), a cylinder body (21), a second piston (22), a pedal (23), hoses (24), a one-way valve (25), a second elastic piece (26) and a pressure release valve (27), an inner cavity is formed in the block (15), the first piston (20) is arranged on the inner cavity in a sliding mode, the first piston (20) is connected with a buffer piece (163), the pipeline (19) is arranged on the wall of the cooling tower in a sliding mode, one end of the pipeline (19) is communicated with the inner cavity of the block (15), the pressure release valve (27) is arranged at the other end of the pipeline (19), the cylinder body (21) is installed on the wall of the cooling tower, the second piston (22) is movably arranged in the cylinder body (21), the pedal (23) is arranged at the top of the second piston (22), the second elastic piece (26) is arranged between the pedal (23) and, the hoses (24) are all provided with one-way valves (25), and the other end of one hose (24) is connected with the pipeline (19).
4. The auxiliary replacement device for the fan bearing of the cooling tower as claimed in claim 3, wherein: the cooling tower is characterized by further comprising a connecting rod (28) and a guide sleeve (29), the connecting rod (28) is installed on the inner wall of the cooling tower, the guide sleeve (29) is arranged on the connecting rod (28), and the guide sleeve (29) is used for guiding the rotating shaft (4).
5. The auxiliary replacement device for the fan bearing of the cooling tower as claimed in claim 4, wherein: the cooling tower is characterized by further comprising a fixing rod (31) and a clamping sleeve (32), wherein the fixing rod (31) is movably arranged on the outer wall of the cooling tower corresponding to the cylinder body (21), the clamping sleeve (32) is arranged on the outer wall of the cooling tower corresponding to the cylinder body (21), and a through hole (30) is formed in the cross rod (14) close to one end of the fixing rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837196.2A CN110640675B (en) | 2019-09-05 | 2019-09-05 | Auxiliary replacing device for fan bearing of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837196.2A CN110640675B (en) | 2019-09-05 | 2019-09-05 | Auxiliary replacing device for fan bearing of cooling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110640675A true CN110640675A (en) | 2020-01-03 |
| CN110640675B CN110640675B (en) | 2021-04-13 |
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ID=69010158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910837196.2A Active CN110640675B (en) | 2019-09-05 | 2019-09-05 | Auxiliary replacing device for fan bearing of cooling tower |
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| Country | Link |
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| CN (1) | CN110640675B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050091839A1 (en) * | 2003-10-31 | 2005-05-05 | Jian-Ming Xia | Automatic assembly machine |
| GB2487083A (en) * | 2011-01-07 | 2012-07-11 | Vestas Wind Sys As | Wind turbine blade bearing removal apparatus and method |
| CN205817233U (en) * | 2016-07-28 | 2016-12-21 | 沭阳中阳纤维科技有限公司 | A kind of spindle maintenance frock |
| US20170045030A1 (en) * | 2014-04-30 | 2017-02-16 | Windcare India Pvt Ltd | Method and arrangement for removing and lifting a blade pitch slewing ring bearing of a wind turbine |
| CN107742958A (en) * | 2017-11-28 | 2018-02-27 | 国网新源张家口风光储示范电站有限公司 | A kind of equipment for the dismounting of wind-driven generator slip ring |
| CN108214385A (en) * | 2017-08-29 | 2018-06-29 | 江苏省徐州锻压机床厂集团有限公司 | A kind of tooling changed for lathe angular milling head |
| CN209223868U (en) * | 2018-08-03 | 2019-08-09 | 天津市天行健机械制造有限公司 | A kind of draught fan impeller fixture convenient for adjusting |
-
2019
- 2019-09-05 CN CN201910837196.2A patent/CN110640675B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050091839A1 (en) * | 2003-10-31 | 2005-05-05 | Jian-Ming Xia | Automatic assembly machine |
| GB2487083A (en) * | 2011-01-07 | 2012-07-11 | Vestas Wind Sys As | Wind turbine blade bearing removal apparatus and method |
| US20170045030A1 (en) * | 2014-04-30 | 2017-02-16 | Windcare India Pvt Ltd | Method and arrangement for removing and lifting a blade pitch slewing ring bearing of a wind turbine |
| CN205817233U (en) * | 2016-07-28 | 2016-12-21 | 沭阳中阳纤维科技有限公司 | A kind of spindle maintenance frock |
| CN108214385A (en) * | 2017-08-29 | 2018-06-29 | 江苏省徐州锻压机床厂集团有限公司 | A kind of tooling changed for lathe angular milling head |
| CN107742958A (en) * | 2017-11-28 | 2018-02-27 | 国网新源张家口风光储示范电站有限公司 | A kind of equipment for the dismounting of wind-driven generator slip ring |
| CN209223868U (en) * | 2018-08-03 | 2019-08-09 | 天津市天行健机械制造有限公司 | A kind of draught fan impeller fixture convenient for adjusting |
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| Publication number | Publication date |
|---|---|
| CN110640675B (en) | 2021-04-13 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Xiaoxuan Inventor after: Liao Junhua Inventor before: Liao Junhua |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20221026 Address after: 467200 1km east of the intersection of Ye Lian Road and East Ring Road, Ye County, Pingdingshan City, Henan Province Patentee after: China Pingmei Shenma Group United salinization Co.,Ltd. Address before: 510670 Dongzhi company, building G1, South China new material innovation park, No.31 Kefeng Road, Guangzhou Development Zone, Guangdong Province Patentee before: Liao Junhua |