CN103157978A - Roots blower sealing element and bearing press-in device - Google Patents
Roots blower sealing element and bearing press-in device Download PDFInfo
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- CN103157978A CN103157978A CN2013100691950A CN201310069195A CN103157978A CN 103157978 A CN103157978 A CN 103157978A CN 2013100691950 A CN2013100691950 A CN 2013100691950A CN 201310069195 A CN201310069195 A CN 201310069195A CN 103157978 A CN103157978 A CN 103157978A
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- spherical surface
- roots blower
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Abstract
The invention discloses a Roots blower sealing element and a bearing press-in device. The Roots blower sealing element and the bearing press-in device comprise a cover plate, a concave spherical surface press plate, a ball head screw, a center main shaft I, a center main shaft II and a double-end screw. The Roots blower sealing element and the bearing press-in device are simple in structure and convenient to operate, effectively improve mounting accuracy of products and mounting efficiency of the products, achieve efficient maintenance and efficient mounting of a fan, reduce maintenance cost of equipment and using and mounting cost of the equipment, and further have the advantages of being high in safety, long in continue working time.
Description
Technical field
The present invention relates to a kind of installation auxiliary equipment of roots blower, particularly a kind of roots blower seal and bearing press-in device.
Background technology
Roots blower is positive displacement blower fan, the air quantity of conveying is proportional to revolution, person remains small gap between impeller end face and blower fan front and rear cover and between draught fan impeller, and the side of discharge is transported to from air inlet along inner walls in the drive leeward of synchromesh gear.As can be seen here, in roots blower, the installation of rotating shaft, seal and bearing will be the most important thing.
Wastewater from cold rolling process equipment system often carries out air-blowing and aeration with roots blower.Traditional service kit such as screwdriver, chisel, copper rod, crow bar will be typically used to be installed in maintenance in the past.Because the sealing gland of installation, oil sealing depth are deeper, common tool easily causes the damage of blower fan sealing gland and oil sealing when installing roots blower, and bearing accuracy does not reach requirement, the problems such as also causing wheel rotation imbalance, excessive Routs blower impeller gap, deficiency in draught, inadequate pressure.And the installation of sealing gland, oil sealing is not in place, then oil leak, hypoventilation can be caused, while it is excessive to will also result in bearing axial displacement, cause blower fan usage cycles short, vibratory output is big, fault rate is high, the maintenance set-up time is long, rushed to repair increased frequency, have impact on enterprise and normally produce.
The content of the invention
To solve the above problems, the invention discloses a kind of roots blower seal and bearing press-in device, it is simple in construction, it is easy to use, the Fast Installation of oil sealing in blower fan, sealing gland and bearing can be realized, production efficiency is effectively improved, extends the service life of equipment, the production efficiency of enterprise is improved, production cost is reduced.
A kind of roots blower seal and bearing press-in device disclosed by the invention, including cover plate, concave spherical surface pressing plate, ball screw, central principal axis I, central principal axis II and double threaded screw, one end of described double threaded screw is connected on the screw of roots blower casing, the other end of double threaded screw is connected to cover plate, described central principal axis I includes big end axle and small end axle, described central principal axis II is Step Shaft, including big axle and small axle, described big end axle and the outer surface of big axle are provided with the concave spherical surface hole with the bulb matching ends of ball screw, the external diameter of big end axle and big axle is adapted with the bearing hole of roots blower casing, described central principal axis I is inwardly mounted to small end axle in the bearing hole of roots blower casing, described central principal axis II is inwardly mounted to small axle in the bearing hole of roots blower casing, the recessed ball being engaged with the bulb end of ball screw is provided with the end surface of described concave spherical surface pressing plate, concave spherical surface hole of the recessed ball of described concave spherical surface pressing plate respectively with central principal axis I or central principal axis II is correspondingly arranged, the bulb end of described ball screw is arranged in the spherical cavity of concave spherical surface hole and recessed ball composition, axis of the recessed ball bottom of described concave spherical surface pressing plate along concave spherical surface pressing plate is provided with screw, the screw rod end of described ball screw passes through the screw of concave spherical surface pressing plate and is connected on the screw of cover plate, the small shaft end of described central principal axis I is engaged with the sealing gland hole of roots blower casing, the small axle of described central principal axis II is engaged with the oil sealing hole of roots blower casing, described concave spherical surface pressing plate, ball screw, the axis of central principal axis I and central principal axis II is on the same line.The present invention is simple in construction, using easy to operate, can realize the Fast Installation of oil sealing in blower fan, sealing gland and bearing, it is effectively improved installation accuracy and production efficiency, the service life of equipment is extended, equipment failure rate is reduced, maintenance and use cost is reduced.
A kind of a kind of improvement of roots blower seal and bearing press-in device disclosed by the invention, the end at the screw rod end of described ball screw is provided with adjustment nut handle.This improvement, by adjustment the jacking degree of nut handle adjusting ball head screw rod and force size, improves the efficiency of installation by adhering in installation so that the seal and bearing of blower fan are easier for installation quick.
A kind of a kind of improvement of roots blower seal and bearing press-in device disclosed by the invention, described concave spherical surface cover plate is connected with stud with being correspondingly arranged on connecting screw hole on central principal axis I or central principal axis II and matching.This improvement improves the accuracy of the installation positioning between concave spherical surface cover plate and central principal axis I or central principal axis II, the seal and bearing of blower fan are disposably installed in place, the probability of abrasion and friction is reduced, the service efficiency and operating efficiency of blower fan is improved.
A kind of improvement of a kind of roots blower seal and bearing press-in device disclosed by the invention, described roots blower seal and bearing press-in device also include adjusting set, the bearing hole of the external diameter of described adjusting set and roots blower casing matches, one end of adjusting set is arranged in the bearing hole of roots blower casing, the other end is connected on concave spherical surface pressing plate, and described adjusting set is coaxially disposed with concave spherical surface pressing plate.The adjusting set that this improvement passes through setting, press-in device is sufficiently uniformly exerted a force when installing bearing to installing bearing, to ensure that bearing does not shift or come off when mounted, improve the installation effect and installation quality of bearing, safety effect is also acted, the security of equipment installation exercise is improved.
Another improvement of a kind of roots blower seal and bearing press-in device disclosed by the invention, is correspondingly arranged in pin-and-hole, described pin-and-hole between described adjusting set and concave spherical surface pressing plate and is provided with pin.This improvement passes through the pin-and-hole and pin that are arranged between adjusting set and concave spherical surface pressing plate, improve the fiting effect between adjusting set and concave spherical surface pressing plate, so that bearing is while installation accuracy is improved, can disposably it be installed in place again, improve the efficiency of installation exercise, the installation maintenance efficiency of blower fan is improved, the repair time of equipment is reduced, the production efficiency of enterprise is improved.
A kind of roots blower seal and bearing press-in device disclosed by the invention, it is simple in construction, using easy to operate, it is effectively improved the installation accuracy and installation effectiveness of product, realize the efficient maintenance and installation of blower fan, reduce the maintenance of equipment and use installation cost, also with safe, the advantage of stream time length.
Brief description of the drawings
Fig. 1, annular gas seals to be installed disclosed by the invention assembling schematic diagram；
Fig. 2, oil seal to be installed disclosed by the invention assembling schematic diagram；
Fig. 3, bearing disclosed by the invention assembling schematic diagram；
Fig. 4, the present invention general assembly schematic diagram；
Fig. 5, the present invention side view；
Fig. 6, central principal axis disclosed by the invention I structural representation.
Reference numerals list：1st, double threaded screw, 2, nut, 3, ball screw, 4th, cover plate, 5, adjustment nut handle, 6, fastening nut handle, 7th, stud, 8, annular gas seals to be installed, 9, central principal axis I, 10th, concave spherical surface pressing plate, 11st, central principal axis II, 12, oil seal to be installed, 13, bearing, 14th, adjusting set, 15, pin.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.It should be noted that the word "front", "rear" used below in description, "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.
As shown in Fig. 1~Fig. 6,A kind of roots blower seal and bearing press-in device disclosed by the invention,Including cover plate 4,Concave spherical surface pressing plate 10,Ball screw 3,Central principal axis I 9,Central principal axis II 11 and double threaded screw 1,One end of described double threaded screw 1 is connected on the screw of roots blower casing,The other end of double threaded screw 1 is connected to cover plate 4,Described central principal axis I 9 includes big end axle and small end axle,Described central principal axis II 11 is Step Shaft,Including big axle and small axle,Described big end axle and the outer surface of big axle are provided with the concave spherical surface hole with the bulb matching ends of ball screw 3,The external diameter of big end axle and big axle is adapted with the bearing hole of roots blower casing,Described central principal axis I 9 is inwardly mounted to small end axle in the bearing hole of roots blower casing,Described central principal axis II 11 is inwardly mounted to small axle in the bearing hole of roots blower casing,The recessed ball being engaged with the bulb end of ball screw 3 is provided with the end surface of described concave spherical surface pressing plate 10,Concave spherical surface hole of the recessed ball of described concave spherical surface pressing plate 10 respectively with central principal axis I 9 or central principal axis II 11 is correspondingly arranged,The bulb end of described ball screw 3 is arranged in the spherical cavity of concave spherical surface hole and recessed ball composition,Axis of the recessed ball bottom of described concave spherical surface pressing plate 10 along concave spherical surface pressing plate is provided with screw,The screw rod end of described ball screw 3 passes through the screw of concave spherical surface pressing plate 10 and is connected on the screw of cover plate 4,The small shaft end of described central principal axis I 9 is engaged with the sealing gland hole of roots blower casing,The small axle of described central principal axis II 11 is engaged with the oil sealing hole of roots blower casing,Described concave spherical surface pressing plate 10,Ball screw 3,The axis of central principal axis I 9 and central principal axis II 11 is on the same line.The present invention is simple in construction, using easy to operate, can realize the Fast Installation of oil sealing in blower fan, sealing gland and bearing, it is effectively improved installation accuracy and production efficiency, the service life of equipment is extended, equipment failure rate is reduced, maintenance and use cost is reduced.
The end at the screw rod end of a kind of preferred, described ball screw 3 is provided with adjustment nut handle 5.The present invention, by adjustment the jacking degree of nut handle adjusting ball head screw rod and force size, improves the efficiency of installation by adhering in installation so that the seal and bearing of blower fan are easier for installation quick.
As one kind preferably, described concave spherical surface cover plate 10 is connected with stud 7 with being correspondingly arranged on connecting screw hole on central principal axis I 9 or central principal axis II 11 and matching.The present invention improves the accuracy of the installation positioning between concave spherical surface cover plate and central principal axis I or central principal axis II, the seal and bearing of blower fan are disposably installed in place, the probability of abrasion and friction is reduced, the service efficiency and operating efficiency of blower fan is improved.
As a kind of preferred, described roots blower seal and bearing press-in device also include adjusting set 14, the bearing hole of the external diameter and roots blower casing of described adjusting set 14 matches, one end of adjusting set 14 is arranged in the bearing hole of roots blower casing, the other end is connected on concave spherical surface pressing plate 10, and described adjusting set 14 is coaxially disposed with concave spherical surface pressing plate 10.The adjusting set that the present invention passes through setting, press-in device is sufficiently uniformly exerted a force when installing bearing to installing bearing, to ensure that bearing does not shift or come off when mounted, improve the installation effect and installation quality of bearing, safety effect is also acted, the security of equipment installation exercise is improved.
As a kind of preferred, it is correspondingly arranged between described adjusting set 14 and concave spherical surface pressing plate 10 in pin-and-hole, described pin-and-hole and is provided with pin 15.Pin-and-hole and pin of the invention by being arranged between adjusting set and concave spherical surface pressing plate, improve the fiting effect between adjusting set and concave spherical surface pressing plate, so that bearing is while installation accuracy is improved, can disposably it be installed in place again, improve the efficiency of installation exercise, the installation maintenance efficiency of blower fan is improved, the repair time of equipment is reduced, the production efficiency of enterprise is improved.
As shown in FIG. 1 to 3, roots blower seal and bearing press-in device include central principal axis I 9, central principal axis II 11, concave spherical surface pressing plate 10 and cover plate 4, central principal axis I 9 has small end axle and big end axle, small end axle external diameter is slightly less than the internal diameter of annular gas seals 8 to be installed, big end axle external diameter is slightly less than the internal diameter of bearing hole, the outer surface of big end axle is provided with concave spherical surface hole and connecting screw hole, and the length of central principal axis I 9 is less than the depth of casing bearing hole.Central principal axis II 11 is Step Shaft, including big axle and small axle, the external diameter of small axle is slightly less than the internal diameter of oil sealing 12 to be installed, and big axle external diameter is slightly less than the internal diameter of bearing hole, the outer surface of big axle is provided with concave spherical surface hole and connecting screw hole, and the height of central principal axis II 11 is less than the depth of bearing hole.Concave spherical surface pressing plate 10 compresses ball screw 3 by the connecting screw hole mounting stud 7 on central principal axis I 9 or central principal axis II 11, and concave spherical surface pressing plate 10 adjusts fastening with nut handle 6 with fastening.The screw of the both sides of cover plate 4 is used to be set with double threaded screw 1, and the length of ball screw 3 is more than double threaded screw 1, and double threaded screw 1 is fixed on the screw of casing, with the adjustment fastening cover plate 4 of nut 2.The screw in the center of cover plate 4 installs ball screw 3, and the end mounting and adjusting nut handle 5 of ball screw 3 rotates adjustment nut handle 5, produces down force and installs annular gas seals 8 to be installed, oil seal to be installed 12 and bearing 13.The internal diameter of adjusting set 14 is slightly less than the internal diameter of casing bearing hole slightly larger than central principal axis I 9 or the external diameter of central principal axis II 11, the external diameter of adjusting set 14.Pin 15 connects and adjusts adjusting set 14 and concave spherical surface pressing plate 10.
As shown in Figure 1, annular gas seals 8 to be installed are placed in casing bearing hole front end, load central principal axis I 9 and stud 7, connecting ball head screw rod 3 and concave spherical surface pressing plate 10, with the regulation fastening concave spherical surface of fastening nut handle 6 pressing plate 10, install double threaded screw 1 in the screwed hole of casing, load cover plate 4, adjustment nut handle 5 is rotated, down force is produced, is installed in place annular gas seals 8 to be installed.
As shown in Figure 2, oil seal 12 to be installed is placed in casing bearing hole, load central principal axis II 11 and stud 7, connecting ball head screw rod 3 and concave spherical surface pressing plate 10, with the regulation fastening concave spherical surface of fastening nut handle 6 pressing plate 10, install double threaded screw 1 in the screwed hole of casing, load cover plate 4, adjustment nut handle 5 is rotated, down force is produced, is installed in place oil seal 12 to be installed.
As shown in figure 3, loading main shaft in casing, bearing 13 is placed in rear-end of spindle, loads adjusting set 14, with the fixed adjustment concave spherical surface pressing plate 10 of pin 15, loads cover plate 4, rotates adjustment nut handle 5, produce down force, be installed in place bearing 13.
, it is necessary to put positive ball screw 1 in practical operation, concave spherical surface pressing plate 10 is flattened, central principal axis I 9, central principal axis II 11, adjusting set 14 are using casing bearing hole as positioning datum.
In practical operation, need to put just, be laid flat annular gas seals 8 to be installed, oil seal to be installed 12 and bearing 13, cover plate 4 is adjusted with nut 2, so that the spacing between cover plate 4 and casing end face is consistent, in use as found banking to need adjustment in time, such as having ready conditions can be the horizontal installation of fan box so that sealing, bearing are vertically downward, the down force of adjusting nut handle 5 is rotated, makes to treat piece installing uniform force once mounting in place.
A kind of roots blower seal and bearing press-in device disclosed by the invention, it is simple in construction, using easy to operate, it is effectively improved the installation accuracy and installation effectiveness of product, realize the efficient maintenance and installation of blower fan, reduce the maintenance of equipment and use installation cost, also with safe, the advantage of stream time length.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, also including being combined constituted technical scheme by above technical characteristic.The above is the embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; some improvements and modifications can also be made, these improvements and modifications are also considered as protection scope of the present invention.
Claims (5)
1. a kind of roots blower seal and bearing press-in device, it is characterised in that：It includes cover plate, concave spherical surface pressing plate, ball screw, central principal axis I, central principal axis II and double threaded screw, one end of described double threaded screw is connected on the screw of roots blower casing, the other end of double threaded screw is connected to cover plate, described central principal axis I includes big end axle and small end axle, described central principal axis II is Step Shaft, including big axle and small axle, described big end axle and the outer surface of big axle are provided with the concave spherical surface hole with the bulb matching ends of ball screw, the external diameter of big end axle and big axle is adapted with the bearing hole of roots blower casing, described central principal axis I is inwardly mounted to small end axle in the bearing hole of roots blower casing, described central principal axis II is inwardly mounted to small axle in the bearing hole of roots blower casing, the recessed ball being engaged with the bulb end of ball screw is provided with the end surface of described concave spherical surface pressing plate, concave spherical surface hole of the recessed ball of described concave spherical surface pressing plate respectively with central principal axis I or central principal axis II is correspondingly arranged, the bulb end of described ball screw is arranged in the spherical cavity of concave spherical surface hole and recessed ball composition, axis of the recessed ball bottom of described concave spherical surface pressing plate along concave spherical surface pressing plate is provided with screw, the screw rod end of described ball screw passes through the screw of concave spherical surface pressing plate and is connected on the screw of cover plate, the small shaft end of described central principal axis I is engaged with the sealing gland hole of roots blower casing, the small axle of described central principal axis II is engaged with the oil sealing hole of roots blower casing, described concave spherical surface pressing plate, ball screw, the axis of central principal axis I and central principal axis II is on the same line.
2. a kind of roots blower seal according to claim 1 and bearing press-in device, it is characterised in that：The end at the screw rod end of described ball screw is provided with adjustment nut handle.
3. a kind of roots blower seal according to claim 1 and bearing press-in device, it is characterised in that：Described concave spherical surface cover plate is connected with stud with being correspondingly arranged on connecting screw hole on central principal axis I or central principal axis II and matching.
4. a kind of roots blower seal according to claim 1 and bearing press-in device, it is characterised in that：Described roots blower seal and bearing press-in device also include adjusting set, the bearing hole of the external diameter of described adjusting set and roots blower casing matches, one end of adjusting set is arranged in the bearing hole of roots blower casing, the other end is connected on concave spherical surface pressing plate, and described adjusting set is coaxially disposed with concave spherical surface pressing plate.
5. a kind of roots blower seal according to claim 4 and bearing press-in device, it is characterised in that：It is correspondingly arranged between described adjusting set and concave spherical surface pressing plate in pin-and-hole, described pin-and-hole and is provided with pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069195.0A CN103157978B (en) | 2013-03-05 | 2013-03-05 | Roots blower sealing element and bearing press-in device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310069195.0A CN103157978B (en) | 2013-03-05 | 2013-03-05 | Roots blower sealing element and bearing press-in device |
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| Publication Number | Publication Date |
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| CN103157978A true CN103157978A (en) | 2013-06-19 |
| CN103157978B CN103157978B (en) | 2015-04-01 |
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| CN201310069195.0A Expired - Fee Related CN103157978B (en) | 2013-03-05 | 2013-03-05 | Roots blower sealing element and bearing press-in device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104551619A (en) * | 2015-01-12 | 2015-04-29 | 无锡亚中智能装备有限公司 | Housing internal cavity pin press-fitting device |
| CN105108711A (en) * | 2015-10-08 | 2015-12-02 | 北京动力机械研究所 | Deformation nut assembling tool |
| CN107855754A (en) * | 2016-09-22 | 2018-03-30 | 宝山钢铁股份有限公司 | The erecting device and application method of automatic fixed width hydraulic cylinder displacement transducer assembly |
| CN116950895A (en) * | 2023-07-07 | 2023-10-27 | 昆明藤耀机械设备有限公司 | Roots blower for sewage treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116950895A (en) * | 2023-07-07 | 2023-10-27 | 昆明藤耀机械设备有限公司 | Roots blower for sewage treatment |
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| CN103157978B (en) | 2015-04-01 |
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Effective date of registration: 20210806 Address after: 3520 Tongji Road, Baoshan District, Shanghai 201900 Patentee after: Baowu equipment Intelligent Technology Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: Shanghai Meishan Iron & steel Co.,Ltd. |
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