CN102672458B - Press mounting machine for front axle hub bearing inner ring and press mounting method thereof - Google Patents
Press mounting machine for front axle hub bearing inner ring and press mounting method thereof Download PDFInfo
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- CN102672458B CN102672458B CN201210193887.1A CN201210193887A CN102672458B CN 102672458 B CN102672458 B CN 102672458B CN 201210193887 A CN201210193887 A CN 201210193887A CN 102672458 B CN102672458 B CN 102672458B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 42
- 208000010727 head pressing Diseases 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention discloses a press mounting machine for a front axle hub bearing inner ring and a press mounting method thereof, and relates to a press mounting device for a bearing and a press mounting method thereof. The press mounting machine for the front axle hub bearing inner ring is a single-head press mounting machine, and only comprises a set of oil pressure cylinder assembly, a bearing pressure head, a guide sleeve and a limiting nut assembly, wherein the oil pressure cylinder assembly comprises an oil pressure cylinder and a piston, the front end of the limiting nut assembly is fixedly connected with a front axle hub shaft tube, and the back end of the limiting nut assembly penetrates through an inner hole of the piston of the oil pressure cylinder assembly and is clamped on the end face of the piston; the bearing pressure head is arranged at the front end of the oil pressure cylinder assembly, and the guide sleeve is arranged on the front axle hub shaft tube between the bottom of an inner hole of the shaft bearing pressure head and the limiting nut assembly; and the press mounting method comprises the steps of placing the bearing inner ring, mounting the press mounting machine, pressing and mounting the bearing inner ring, and the like. According to the invention, influence generated by a steering knuckle inclined angle is eliminated, the bearing is pressed and mounted in place, and the method has the characteristics of being small in floor space and convenient for use, reducing energy consumption, bearing spoilage and labor intensity, improving production efficiency and the like, and is easy to popularize and apply.
Description
Technical field
The present invention relates to a kind of bearing press mounting equipment and pressing method thereof, particularly a kind of propons hub bearing inner ring pressing machine and pressing method thereof.
Background technology
The assembly technology of propons hub bearing inner ring has two kinds of methods at present, respectively to adopt heating assembling method and the double end hydraulic pressure of the technique of expanding with heat and contract with cold to press-fit method, below will discuss in detail this two kinds of existing defects of method and deficiency: one, heating assembling method is before pressing bearing, must be first bearing heating, make it to expand, and then knock assembling with bearing pressure cylinder craft; This kind of method need heat bearing before assembling, and this need to consume a large amount of electric energy; And need before assembling, bearing be packed in heating cabinet, waste time and energy, be unfavorable for the raising of production efficiency; In the process of running in bearings, knock bearing, likely make bearing be damaged.Two, double end hydraulic pressure press-fits method: although this kind of method needn't heat bearing before press-fiting, but because front axle steering knuckle has an inclination angle, the inclination angle difference of different propons kind knuckles, and two pressure cylinders 6 of double end propons hydraulic press (referring to Fig. 2) are subject to force direction on an axis, therefore in the process press-fiting, just caused being subject to the inconsistent problem of force direction, this will cause bearing press mounting not in place; And this method is inconvenient to locate, need the double pressing machine that operates together, making pressure cylinder aim at universal joint can press-fit; And the floor space of machine is larger, operate also not too convenient and swift.Application publication number is: CN102069373 discloses a kind of hydraulic compressing device, the operation principle of this device is: by fixing guide pin bushing and compressed oil cylinder in somewhere, hold-down head is arranged on the termination of compressed oil cylinder, clamp jaw is fixed on Connection Block, gripping sleeve is connected with oil cylinder by guide pillar with holder, axle is put into the positioning sleeve of Connection Block, the bearing press-fiting is placed on axle head, by cylinder piston rod, move downward, drive gripping sleeve moves downward, and then the cooperation inclined-plane by clamp jaw and gripping sleeve produces the other end of a clamping force clamp shaft, then be pressed into bearing, this apparatus structure is comparatively complicated, be not easy to maintenance, and fixed cover must be fixed on to a certain position and can work, be only applicable to is all the axle of naked body, versatility is not strong, for flanged coiled hair or the complicated and diversified front axle steering knuckle of end construction inapplicable, cannot clamp this type of axis products, be not suitable for the pipelining of propons assembling yet.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of and can eliminate little, easy to operate propons hub bearing inner ring pressing machine and the pressing method thereof of impact, floor space that knuckle inclination angle produces.
The technical scheme solving the problems of the technologies described above is: a kind of propons hub bearing inner ring pressing machine, this pressing machine is single head pressing machine, only comprise a set of oil hydraulic cylinder assembly, bearing head, guide pin bushing and stop nut assembly, described oil hydraulic cylinder assembly comprises oil hydraulic cylinder, is positioned at the piston of oil hydraulic cylinder, described stop nut assembly front end is fixedly connected with propons hub axle tube, and rear end is passed the piston inner hole of oil hydraulic cylinder assembly and is stuck on this piston end surface; Described bearing head is arranged on the front end of oil hydraulic cylinder assembly, and guide pin bushing is arranged on the propons hub axle tube between endoporus bottom and the stop nut assembly of bearing head.
Further technical scheme of the present invention is: described piston consists of the piston rod entirety that is positioned at the piston head at middle part and lay respectively at piston head rear and front end, and wherein the piston rod of front end stretches in bearing head and between the inner hole wall of bearing head and the outer round surface of guide pin bushing.
Of the present invention more further technical scheme be: described stop nut assembly comprises all with holding greatly and the attaching nut of small end, stop nut and intermediate casing that attaching nut and stop nut are linked together, attaching nut's large end endoporus and propons hub axle tube are threaded connection, and attaching nut's small end stretches in intermediate casing and is threaded connection with intermediate casing; The small end endoporus of stop nut and the other end of intermediate casing are threaded connection, and the large end of stop nut is stuck on the piston end surface of oil hydraulic cylinder assembly.
Another technical scheme of the present invention is: a kind of propons hub bearing inner ring pressing method, and the method is a kind of method that adopts above-mentioned propons hub bearing inner ring single head pressing machine to press-fit bearing inner race, comprises the following steps:
4.1. place bearing inner race: bearing inner race is placed on the propons hub axle tube of propons one end;
4.2., pressing machine is installed: large the attaching nut of propons hub bearing inner ring pressing machine end endoporus is connected on propons hub axle tube; And stop nut is tightened, the large end of stop nut is stuck on pistons end;
4.3. pressing bearing inner ring: start oil hydraulic cylinder assembly, the front end that makes oil hydraulic cylinder to bearing inner race, is arranged on the wheel hub of propons one end bearing inner race with bearing head one top lifting;
4.4. repeat above-mentioned steps 4.1～4.3, bearing inner race is fitted on the wheel hub of the propons other end.
Owing to adopting said structure, before the present invention, bridge hub bearing inner ring pressing machine and pressing method thereof compared with prior art, have following beneficial effect:
1. can eliminate the impact that knuckle inclination angle produces:
Because equipment of the present invention is single head pressing machine, only include a set of oil hydraulic cylinder assembly, bearing head, guide pin bushing and stop nut assembly, the pressing method adopting is that single head press-fits method, while being pressing bearing, adopt this pressing machine respectively the hub bearing inner ring at propons two ends to be press-fited respectively, therefore, the impact that when the present invention can avoid double end to press-fit, knuckle inclination angle produces, can accurately put bearing press mounting in place.
Simple in structure, floor space is little, easy to operate:
The pressing machine adopting due to the present invention is single head pressing machine, without middle coupling and the hanger bracket of double end propons hydraulic press, not only simple in structure, and small volume, and floor space is also less; In addition, the single single-set operation of this pressing machine, very convenient quick.
In addition, while working due to the present invention, only need bearing head to be fixed on oil hydraulic cylinder end face, again stop nut assembly is connected with the end of thread of propons hub axle tube, during work, the oil hydraulic cylinder of oil hydraulic cylinder assembly and piston produce bidirectional-movement, but the limited nut assembly of piston withstands and restraint, oil hydraulic cylinder drives bearing head that bearing inner race is pressed on hub bearing position, therefore the present invention is without its any parts are fixed on to somewhere, can slinging, it is aerial to be placed in, do not take up room, operate more simple and efficient, be more suitable for the continuous productive process of assembling, structure is more simple compact, be more convenient for keeping in repair.
3. highly versatile:
The present invention is for the not threaded axle in termination, only need to install additional a location hold-down support, oil hydraulic cylinder is fixed, axle is placed on bearing, aim at oil hydraulic cylinder axle center horizontal positioned, change corresponding bearing head and get final product pressing bearing, therefore, the present invention is applicable to different axis products, and versatility is stronger.
4. what adopt due to the present invention is hydraulic pressure pressing method, does not need to heat bearing, can reduce energy consumption, and the power consumption of each assembling be only about 10kw/h; And do not need manual knocking, and not only reduce the spoilage of bearing, also can reduce labour intensity, enhance productivity, assemble consuming time is only, about 40 seconds, to be easy to promote the use of at every turn.
Below, in conjunction with the accompanying drawings and embodiments the technical characterictic of bridge hub bearing inner ring pressing machine before the present invention and pressing method thereof is further described.
accompanying drawing explanation:
Fig. 1: the structural representation of bridge hub bearing inner ring pressing machine before the present invention;
Fig. 2: the structural representation of existing double end propons hydraulic press.
In above-mentioned accompanying drawing, the label of each part is as follows:
1-oil hydraulic cylinder assembly, 11-oil hydraulic cylinder, 12-piston, 2-bearing head, 121-piston head,
122-piston rod, 3-guide pin bushing, 4-stop nut assembly, 41-attaching nut, 42-intermediate casing,
43-stop nut, 5-propons hub axle tube, the pressure cylinder of 6-double end propons hydraulic press, the hanger bracket of 7-double end propons hydraulic press, 8-propons, Q-front end, H-rear end.
the specific embodiment:
Embodiment mono-:
A kind of propons hub bearing inner ring pressing machine (referring to Fig. 1), this pressing machine is single head pressing machine, only comprise a set of oil hydraulic cylinder assembly 1, bearing head 2, guide pin bushing 3 and stop nut assembly 4, described oil hydraulic cylinder assembly 1 comprises oil hydraulic cylinder 11, is positioned at the piston 12 of oil hydraulic cylinder 11, described stop nut assembly 4 front ends are fixedly connected with propons hub axle tube 5, and rear end is passed the piston inner hole of oil hydraulic cylinder assembly 1 and is stuck on these piston 12 end faces; Described bearing head 2 is arranged on the front end of oil hydraulic cylinder assembly 1, and guide pin bushing 3 is arranged on the propons hub axle tube 5 between endoporus bottom and the stop nut assembly 4 of bearing head 2; Described piston 12 consists of piston rod 122 entirety that are positioned at the piston head 121 at middle part and lay respectively at piston head 121 rear and front ends, and wherein the piston rod 122 of front end stretches in bearing head 2 and between the inner hole wall of bearing head 2 and the outer round surface of guide pin bushing 3; Described stop nut assembly 4 comprises all the intermediate casing 42 linking together with the attaching nut 41 of large end and small end, stop nut 43 and by attaching nut 41 and stop nut 43, attaching nut 41 large end endoporus and propons hub axle tube 5 are threaded connection, and attaching nut 41 small end stretches in intermediate casing 42 and is threaded connection with intermediate casing 42; The small end endoporus of stop nut 43 and the other end of intermediate casing 42 are threaded connection, and the large end of stop nut 43 is stuck on the piston end surface of oil hydraulic cylinder assembly 1.
Embodiment bis-:
A kind of propons hub bearing inner ring pressing method, the method is the method that the propons hub bearing inner ring single head pressing machine described in a kind of embodiment of employing mono-press-fits bearing inner race, comprises the following steps:
4.1. place bearing inner race: bearing inner race is placed on the propons hub axle tube 5 of propons one end;
4.2., pressing machine is installed: large the attaching nut of propons hub bearing inner ring single head pressing machine 41 end endoporus is connected on propons hub axle tube 5; And stop nut 43 is tightened, the large end of stop nut 43 is stuck on pistons end;
4.3. pressing bearing inner ring: start oil hydraulic cylinder assembly 1, the front end that makes oil hydraulic cylinder 11 to bearing inner race, is arranged on the wheel hub of propons one end bearing inner race with bearing head 2 one top liftings;
4.4. repeat above-mentioned steps 4.1～4.3, bearing inner race is fitted on the wheel hub of the propons other end.
Claims (4)
1. a propons hub bearing inner ring pressing machine, it is characterized in that: this pressing machine is single head pressing machine, only comprise a set of oil hydraulic cylinder assembly (1), bearing head (2), guide pin bushing (3) and stop nut assembly (4), described oil hydraulic cylinder assembly (1) comprises oil hydraulic cylinder (11), is positioned at the piston (12) of oil hydraulic cylinder (11), described stop nut assembly (4) front end is fixedly connected with propons hub axle tube (5), and rear end is passed the piston inner hole of oil hydraulic cylinder assembly (1) and is stuck on this piston (12) end face; Described bearing head (2) is arranged on the front end of oil hydraulic cylinder assembly (1), and guide pin bushing (3) is arranged on the propons hub axle tube (5) between endoporus bottom and the stop nut assembly (4) of bearing head (2).
2. propons hub bearing inner ring pressing machine according to claim 1, it is characterized in that: described piston (12) is by being positioned at the piston head (121) at middle part and laying respectively at piston rod (122) the entirety formation of piston head (121) rear and front end, and wherein the piston rod of front end (122) stretches in bearing head (2) and is positioned between the inner hole wall of bearing head (2) and the outer round surface of guide pin bushing (3).
3. propons hub bearing inner ring pressing machine according to claim 1 and 2, it is characterized in that: described stop nut assembly (4) comprises all the intermediate casing (42) linking together with the attaching nut (41) of large end and small end, stop nut (43) and by attaching nut (41) and stop nut (43), attaching nut's (41) large end endoporus and propons hub axle tube (5) are threaded connection, and attaching nut's (41) small end stretches in intermediate casing (42) and is threaded connection with intermediate casing (42); The other end of the small end endoporus of stop nut (43) and intermediate casing (42) is threaded connection, and the large end of stop nut (43) is stuck on the piston end surface of oil hydraulic cylinder assembly (1).
4. a propons hub bearing inner ring pressing method, is characterized in that: the method is a kind of method that adopts propons hub bearing inner ring pressing machine claimed in claim 3 to press-fit bearing inner race, comprises the following steps:
4.1. place bearing inner race: bearing inner race is placed on the propons hub axle tube (5) of propons one end;
4.2., pressing machine is installed: hold greatly endoporus to be connected on propons hub axle tube (5) attaching nut of propons hub bearing inner ring pressing machine (41); And stop nut (43) is tightened, the large end of stop nut (43) is stuck on pistons end;
4.3. pressing bearing inner ring: start oil hydraulic cylinder assembly (1), the front end that makes oil hydraulic cylinder (11) to bearing inner race, is arranged on the wheel hub of propons one end bearing inner race with bearing head (2) one top liftings;
4.4. repeat above-mentioned steps 4.1～4.3, bearing inner race is fitted on the wheel hub of the propons other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193887.1A CN102672458B (en) | 2012-06-13 | 2012-06-13 | Press mounting machine for front axle hub bearing inner ring and press mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210193887.1A CN102672458B (en) | 2012-06-13 | 2012-06-13 | Press mounting machine for front axle hub bearing inner ring and press mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672458A CN102672458A (en) | 2012-09-19 |
| CN102672458B true CN102672458B (en) | 2014-04-23 |
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| CN201210193887.1A Active CN102672458B (en) | 2012-06-13 | 2012-06-13 | Press mounting machine for front axle hub bearing inner ring and press mounting method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846659B (en) * | 2012-11-30 | 2016-04-06 | 中国科学院沈阳自动化研究所 | Case of transmission alignment pin and bearing full-automatic press-fitting machine group |
| CN103817513A (en) * | 2014-02-12 | 2014-05-28 | 泰州神舟传动科技有限公司 | Hub bearing for engineering trucks and special press-fitting assembly for races |
| CN104440040A (en) * | 2014-12-01 | 2015-03-25 | 郑州精益达汽车零部件有限公司 | Press for assembling oil seal seat ring, bearing inner ring and axle housing and hydraulic system of press |
| CN107322270A (en) * | 2017-06-27 | 2017-11-07 | 鹰普（中国）有限公司 | A kind of aspirated-air type plug cock assembly tooling |
| CN111069882A (en) * | 2019-12-31 | 2020-04-28 | 山东临工工程机械有限公司 | Automatic press-fitting machine for drive axle hub assembly |
| CN113334022B (en) * | 2021-06-29 | 2022-11-08 | 广船国际有限公司 | Vacuum pump bearing installation device and bearing installation method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6415489B1 (en) * | 1999-07-29 | 2002-07-09 | Morgan Construction Company | Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings |
| DE20117970U1 (en) * | 2001-11-07 | 2002-01-24 | Johann Peffeköver GmbH & Co. KG, Werkzeugfabrik, 51789 Lindlar | Hydraulic ejection device |
| CN201172157Y (en) * | 2008-03-21 | 2008-12-31 | 上海大众汽车有限公司 | Vehicle rear wheel bearing press tool |
| CN101811249B (en) * | 2009-07-28 | 2013-09-04 | 哈尔滨轨道交通装备有限责任公司 | Bearing dismounting device |
| CN202684462U (en) * | 2012-06-13 | 2013-01-23 | 方盛车桥（柳州）有限公司 | Front axle hub bearing inner race press |
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