CN207139559U - Blower fan main shaft bearing position on-line machining structure - Google Patents

Blower fan main shaft bearing position on-line machining structure Download PDF

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Publication number
CN207139559U
CN207139559U CN201721081025.4U CN201721081025U CN207139559U CN 207139559 U CN207139559 U CN 207139559U CN 201721081025 U CN201721081025 U CN 201721081025U CN 207139559 U CN207139559 U CN 207139559U
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China
Prior art keywords
main shaft
blower fan
fan main
bearing position
bearing
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CN201721081025.4U
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Chinese (zh)
Inventor
袁松
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SICHUAN ESHENG CEMENT GROUP CO Ltd
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SICHUAN ESHENG CEMENT GROUP CO Ltd
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Abstract

It the utility model is related to centrifugal blower apparatus field, especially one kind need not pull down draught fan impeller main shaft, at the scene with regard to that can be processed, so as to reduce the input of maintenance cost and overcome the abrading section caused by manual grinding geometrical and toleranging blower fan main shaft bearing position on-line machining structure, including blower fan main shaft and for supporting the step of blower fan main shaft, including abrasive machining device and blower fan main shaft drive device, temporary support bearing is provided between the bearing position of blower fan main shaft termination and step, wherein, blower fan main shaft drive device driving blower fan main shaft rotates, the bearing position of abrasive machining device opposing connection blower fan main shaft center axis thereof is processed.The utility model is ingenious due to structure design, the efficiency of processing is not only greatly improved, reduces the dismounting amount of processing, it is ensured that cylindricity, finish and the axiality of bearing position after processing, advantage is fairly obvious, is particularly suitable for use among the processing of centrifugal blower bearing position.

Description

Blower fan main shaft bearing position on-line machining structure
Technical field
Centrifugal blower apparatus field is the utility model is related to, especially a kind of blower fan main shaft bearing position on-line machining structure.
Background technology
Centrifugal blower is by the mechanical energy of input, improves gas pressure and supplies gas side by side the machinery of body, it is a kind of driven Fluid machinery, be made up of casing, main shaft, impeller, bearing transmission mechanism and motor etc., it is essential in cement production enterprise Production equipment, particularly there is extremely important effect on dry method production line.
But in actual use, fan bearing is pacified due to unclean, lubrication oil the interruption of lubrication oil, bearing Situations such as after dress using being vibrated caused by the inadequate of clearance, draught fan impeller dynamic balancing difference, make bearing roller and Internal and external cycle bullet The contact area in road can not form lubricating oil film, cause bearing operation gap to be reduced to zero because of temperature rise, heat caused by bearing operation Amount can not shed in time, and bearing temperature quickly improves, and such as do not find and shut down in time, bearing can be embraced because of the reduction of running clearance Extremely, finally it is burnt bearing, it is round circumferentially displaced that serious meeting makes bearing inner race be produced relative to axle, and bearing inner race occurs with axle Cementing phenomenon.
For the plant issue occurred on above-mentioned production line, existing treatment measures are typically that can only stop production draught fan impeller Pull down, carry out external coordination machining or carried out former bearing inner race cementing on bearing position clearly by the way of live manual grinding Remove, re-replace new bearing.But the dismounting blower fan main shaft that stops production is gone out, loss caused by the mode of maintenance is very huge, The working space that is not easy to lift, can not lift especially is being run into, not only repairing efficiency is long, expense is also very high, as manufacture of cement Unit, particularly in the cement busy season, the economic loss that this maintenance mode because of repairing efficiency length is brought is very huge 's.In addition, using the maintenance mode of live manual grinding, maintenance time is shorter, but cannot be guaranteed be polished place cylindricity and Finish, most importantly it cannot be guaranteed that being required with the axiality of another bearing position.Even if after repairing, due to adding caused by polishing Work error, shorten the new service life for changing upper bearing (metal), such as:Because cylindricity and finish difference cause bearing to run inner ring;Cause Cause bearing that the reason such as clearance value changes, oil film breakdown is installed with another bearing position axiality difference.So emergent make can only be used as With causing uncontrollable situation to the planned maintenance of the equipment.
Utility model content
Technical problem to be solved in the utility model, which is to provide one kind, need not pull down draught fan impeller main shaft, at the scene It can be processed, so as to reduce the input of maintenance cost and overcome the shape of the abrading section caused by manual grinding and position public The blower fan main shaft bearing position on-line machining structure of difference.
Technical scheme is used by the utility model solves its technical problem:Blower fan main shaft bearing position on-line machining knot Structure, including blower fan main shaft and the step for supporting blower fan main shaft, including abrasive machining device and blower fan main shaft driving Device, temporary support bearing is provided between the bearing position of blower fan main shaft termination and step, wherein, blower fan main shaft driving dress Put driving blower fan main shaft to rotate, the bearing position of the abrasive machining device opposing connection blower fan main shaft center axis thereof is processed.
It is further that the blower fan main shaft drive device is by motor, drive chain and blower fan main shaft input shaft coupling Device is formed.
It is further that nut helicitic texture is provided with the bearing position, the temporary support bearing passes through spiral shell Female screw thread structure is connected with bearing position.
It is further that angle grinding is provided with the abrasive machining device, the abrasive machining device passes through grinding pair Bearing position is processed.
It is further to be provided with dial gauge on the abrasive machining device.
It is further that grinding regulation handle in angle is provided with the abrasive machining device.
It is further that the abrasive machining device bottom is provided with angle steel stiffening structure.
It is further, including draught fan impeller, the blower fan main shaft are arranged with draught fan impeller central axis coaxial, the wind The both ends of owner's axle are respectively arranged on fixed side bearing seat and free side shaft holder.
It is further that the blower fan main shaft is with 15-20r/min speed uniform rotation.
The beneficial effects of the utility model are:For the utility model in actual use, the dismounting to blower fan structure is seldom, only By the bearing removal of damage and temporary support bearing need to be installed, then abrasive machining device is placed into the position of processing, so Rotate and be processed using blower fan main shaft drive device driving blower fan main shaft afterwards.Further, since structure design is ingenious, The efficiency of processing is not only greatly improved in the utility model, reduce the dismounting amount of processing, it is ensured that bearing position after processing Cylindricity, finish and axiality, compared with traditional processing, advantage is fairly obvious, and be particularly suitable for use in centrifugal blower axle Hold among the processing of position.
Brief description of the drawings
Fig. 1 is the mounting structure schematic diagram of the utility model bearing position and temporary support bearing.
Fig. 2 is the structural representation of the utility model blower fan main shaft drive device.
Fig. 3 is Fig. 3 A direction views.
Schematic diagram when Fig. 4 is the utility model actual use.
Fig. 5 is schematic diagram when the utility model is detected using dial gauge.
Fig. 6 is schematic diagram when the utility model is processed using angle grinding.
In figure mark for:Blower fan main shaft 1, bearing position 2, temporary support bearing 3, step 4, nut helicitic texture 5th, motor 6, drive chain 7, blower fan main shaft input shaft coupling 8, draught fan impeller 9, fixed side bearing seat 10, free side shaft holder 11st, concrete foundation 12, abrasive machining device 13, device bottom plate 131, angle steel stiffening structure 132, dial gauge 133, angle grinding 134th, angle grinding regulation handle 135.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Blower fan main shaft bearing position on-line machining structure as shown in Figures 1 to 6, including blower fan main shaft 1 and for supporting The step 4 of blower fan main shaft 1, including abrasive machining device 13 and blower fan main shaft drive device, the bearing of the termination of blower fan main shaft 1 Temporary support bearing 3 is provided between position 2 and step 4, wherein, blower fan main shaft drive device driving blower fan main shaft 1 rotates, The bearing position 2 of the center axis thereof of 13 opposing connection blower fan main shaft of abrasive machining device 1 is processed.
The utility model realizes by cleverly structure design and allows abrasive machining device 13 can be in narrow bearing Position 2, under conditions of not dismantling, cementing bearing inner race is ground, so as to the cylinder of the bearing position 2 after ensureing to process On the premise of degree, finish and axiality, processing efficiency is greatly improved.In general, driven to simplify blower fan main shaft The structure of dynamic device, so as to reduce product cost, can select the blower fan main shaft drive device by motor 6, drive chain 7 with And blower fan main shaft input shaft coupling 8 is formed.In addition, by using the nut helicitic texture 5 at fan bearing position 2, peace Temporary support bearing 3 is filled, the temporary support bearing 3 is connected by nut helicitic texture 5 with bearing position 2, so as to have More stable connection, it also ensure that blower fan main shaft 1 is made circle in the case where the bearing position 2 for ensureing both sides is coaxial and rotated in a circumferential direction.
Wherein, the critical component as grinding, as shown in fig. 6, being preferably provided with angle grinding on the abrasive machining device 13 134, the abrasive machining device 13 is processed by being ground 134 pairs of bearing positions 2.The utility model cleverly make use of grinding machine Working mechanism carry out structure innovation, wherein, with angle grinding 134 instead of tradition grinding in grinder wheel, pass through blower fan main shaft 1 Rotation, rotating speed controls in certain rotating speed to (generally preferably the rotating speed of blower fan main shaft 1 is 15- by blower fan main shaft drive device 20r/min), and with abrasive machining device 13 linear reciprocating motion is done together, wherein linear reciprocating motion is respectively rotary feed Motion and length feed motion.Due to using in grinding process longitudinal grinding method be ground, the depth very little being ground every time, need through Multiple traverse feed grinds off whole grinding allowances.But grinding heat caused by the mill elimination is few, and radiating condition is preferable, can also utilize Finally the tarry matter stroke without back engagement of the cutting edge is refined several times, and therefore, machining accuracy and surface quality are higher.For grinding action It is convenient, be typically chosen on abrasive machining device 13 and be provided with dial gauge 133, and angle is set on abrasive machining device 13 Regulation handle 135 is ground, angle steel stiffening structure 132 is set in the bottom of abrasive machining device 13.It is described for draught fan impeller 9 Blower fan main shaft 1 arranges that the both ends of the blower fan main shaft 1 are respectively arranged at fixed side bearing with the central axis coaxial of draught fan impeller 9 On seat 10 and free side shaft holder 11.
For the utility model in actual use, the dismounting to blower fan structure is seldom, only need to be by the bearing removal and peace of damage Temporary support bearing 3 is loaded onto, then abrasive machining device 13 is placed into the position of processing, is then driven and filled using blower fan main shaft Driving blower fan main shaft 1 is put to rotate and be processed.Further, since structure design is ingenious, the utility model is not only significantly Degree improves the efficiency of processing, reduce the dismounting amount of processing, it is ensured that the cylindricity of bearing position after processing, finish and Axiality, compared with traditional processing, advantage is fairly obvious, has very wide market promotion prospect.

Claims (9)

1. blower fan main shaft bearing position on-line machining structure, including blower fan main shaft (1) and the lower axle for supporting blower fan main shaft (1) Bearing (4), it is characterised in that:Including abrasive machining device (13) and blower fan main shaft drive device, the axle of blower fan main shaft (1) termination Hold and temporary support bearing (3) is provided between position (2) and step (4), wherein, blower fan main shaft drive device driving blower fan master Axle (1) is rotated, and the bearing position (2) of abrasive machining device (13) opposing connection blower fan main shaft (1) center axis thereof is processed.
2. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:The blower fan main shaft driving Device is made up of motor (6), drive chain (7) and blower fan main shaft input shaft coupling (8).
3. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:Bearing position (2) place Nut helicitic texture (5) is provided with, the temporary support bearing (3) passes through nut helicitic texture (5) and bearing position (2) connect.
4. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:The abrasive machining device (13) angle grinding (134) is provided with, the abrasive machining device (13) is processed by being ground (134) to bearing position (2).
5. the blower fan main shaft bearing position on-line machining structure as described in claim 1 or 4, it is characterised in that:The grinding Dial gauge (133) is provided with device (13).
6. the blower fan main shaft bearing position on-line machining structure as described in claim 1 or 4, it is characterised in that:The grinding Angle grinding regulation handle (135) is provided with device (13).
7. the blower fan main shaft bearing position on-line machining structure as described in claim 1 or 4, it is characterised in that:The grinding Device (13) bottom is provided with angle steel stiffening structure (132).
8. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:Including draught fan impeller (9), The blower fan main shaft (1) arranges that the both ends of the blower fan main shaft (1) are respectively arranged at draught fan impeller (9) central axis coaxial On fixed side bearing seat (10) and free side shaft holder (11).
9. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:The blower fan main shaft (1) With 15-20r/min speed uniform rotation.
CN201721081025.4U 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure Active CN207139559U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721081025.4U CN207139559U (en) 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721081025.4U CN207139559U (en) 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure

Publications (1)

Publication Number Publication Date
CN207139559U true CN207139559U (en) 2018-03-27

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Family Applications (1)

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CN201721081025.4U Active CN207139559U (en) 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107336132A (en) * 2017-08-25 2017-11-10 四川峨胜水泥集团股份有限公司 Blower fan main shaft bearing position on-line machining structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107336132A (en) * 2017-08-25 2017-11-10 四川峨胜水泥集团股份有限公司 Blower fan main shaft bearing position on-line machining structure

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