CN105666092A - Press-fitting device for a stepped type needle roller bearing without inner ring - Google Patents
Press-fitting device for a stepped type needle roller bearing without inner ring Download PDFInfo
- Publication number
- CN105666092A CN105666092A CN201510814563.9A CN201510814563A CN105666092A CN 105666092 A CN105666092 A CN 105666092A CN 201510814563 A CN201510814563 A CN 201510814563A CN 105666092 A CN105666092 A CN 105666092A
- Authority
- CN
- China
- Prior art keywords
- bearing
- press
- needle roller
- outside fix
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/07—Crankshafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a press-fitting device for a stepped type needle roller bearing without an inner ring. The press-fitting device is reasonable in structure and capable of effectively pressing the existing stepped type needle roller bearing without the inner ring to a bearing hole in the rear end of a crankshaft, centering and adaptive adjustment can be carried out during press-fitting, the press-fitting process is stable, and the bearing centering is good after assembling. The press-fitting device comprises a bearing press-fitting base and a dynamic electricity cylinder. The bearing press-fitting base comprises a force transmission seat and a bearing push rod. A piston rod of the dynamic electricity cylinder stretches towards the force transmission seat, and the bearing push rod is sleeved with an outer positioning sleeve; the outer positioning sleeve is provided with a plurality of self-adaptive positioning hole groups, each self-adaptive positioning hole group comprises two positioning holes penetrating through the side wall of the outer positioning sleeve, a fixing plunger is arranged on each positioning hole, and each fixing plunger is connected with a contact ball used for making contact with an outer ring of the needle roller bearing through an adjusting spring. An outer spring is arranged between the force transmission seat and the outer positioning sleeve and arranged on the bearing push rod in a sleeving mode. One end of the outer spring is connected with the force transmission seat, and the other end of the outer spring is connected with the outer positioning sleeve.
Description
Technical field
The invention belongs to crankshaft rear end bearing press mounting technical field, particularly relate to a kind of step type needle roller bearing without inner ring press-loading apparatus.
Background technology
In the assembling process of the engine crankshaft assembly of many models, crankshaft rear end often can need embedding dress bearing, and bearing press mounting, for offer bearing hole at crankshaft rear end, is then entered in bearing hole by assembling mode. wherein, step type needle roller bearing without inner ring, a kind of bearing hole with crankshaft rear end being conventional at present carries out a kind of bearing of press-fit. step type needle roller bearing without inner ring, being a kind of distortion of needle roller bearing without inner ring, have path section (extension) and big footpath section (bearing body), path section is mainly used in carrying out with bearing hole that end face coordinates, location, needle roller is then contained in the section of big footpath, it does not have bearing inner ring. the axle coordinated with needle roller bearing without inner ring can directly load in brearing bore, and direct and needle roller friction contact can carry out work. when bearing press mounting, the bearing hole that can path section be offered on crankshaft rear end, is pressed into bearing hole by step type needle roller bearing without inner ring, and the end face of path section contacts cooperation with at the bottom of the hole in bearing hole, big footpath section (bearing outer ring) then with bearing hole shrink-fit, complete assembling. but, step type needle roller bearing without inner ring is being press fit in the process in crankshaft rear end bearing hole at present, owing to bent axle volume is bigger, location and bearing press mounting inconvenience after bent axle is erected, therefore horizontal assembling can only usually be carried out, when assembling, bearing centering (centering) difficulty is bigger, bearing outer ring is in the moment contacted with bearing hole, the situation that medullary ray does not line up likely occurs, and press-fiting in process, due to the uncertainty of force direction, in addition bearing hole hole wall, the outer ring outer wall of bearing cannot accomplish the factors such as definitely level and smooth, bearing is easily allowed single inclination to occur tiltedly, cause press-fiting difficulty to increase, if tilting excessive, even can be difficult to assembling.But, again owing to treating that pressing bearing does not have inner ring, therefore, just cannot adopt by stretching into the centering mode of rigidity location bar in brearing bore, this is because, if stretching into rigidity location bar in brearing bore, then in the process of centering, needle roller can be applied power that is radial, axial and other multiple directions by rigidity location bar disorderly, very easily causes the needle roller originally being designed to only bear radial force impaired. To sum up sayed, at present when press-fiting step type needle roller bearing without inner ring, substantially can only rely between bearing hole and bearing from coordinating, press-fit in centering ability and maintenance in the ability etc. of centering effect in process, still have many shortcomings.
China Patent Publication No. CN203227987U, disclose a kind of bearing press, it comprises a fixing support, an electronics press, a upper pressure assembly and one press down assembly, this electronics press, on this pressure assembly and this press down assembly and be all arranged on this fixing support, on this, pressure assembly includes one first seaming chuck and one and the 2nd seaming chuck of this first seaming chuck different diameter, this presses down assembly and comprises a push-down head, this electronics press is used for by compressing this first seaming chuck by this first bearing press mounting in the groove of the side of this case, this electronics press is used for by compressing the 2nd seaming chuck by the 2nd bearing press mounting in the groove of another side of this case. by arranging the seaming chuck of two kinds of different diameters, this bearing press can by the bearing press mounting of two kinds of different diameters in the case of power-taking device. this practical novel weak point is, if press-fiting for needle roller bearing without inner ring, although assembling can be realized, but the aspects such as the adjustment centering ability in centering (centering) ability before assembly, assembling process, not enough all to some extent, bearing easily tilts, and easily excessively cannot complete to press-fit because bearing tilts.
Summary of the invention
The present invention is to overcome deficiency of the prior art, provide a kind of rational in infrastructure, effectively existing step type needle roller bearing without inner ring can be press-fited on the bearing hole of crankshaft rear end, can carry out when press-fiting feeling relieved and adapt, press-fit process stabilization, assemble the press-loading apparatus that rear bearing centering is good.
In order to realize above-mentioned purpose, the present invention by the following technical solutions:
A kind of step type needle roller bearing without inner ring press-loading apparatus, comprise bearing press mounting pedestal, power current cylinder, described bearing press mounting pedestal comprises force-transmitting seat, bearing push rod, bearing push rod is the rear end of bearing push rod near one end of power current cylinder, described force-transmitting seat is connected on the rear end of bearing push rod, power current cylinder has piston rod, described bearing push rod is arranged with the outside fix cover being slidably connected with bearing push rod, described outside fix puts and is provided with some adaptive location holes group, an adaptive location hole group comprises the pilot hole that two run through outside fix cover sidewall, described pilot hole is provided with non-movable piston, described non-movable piston connects one for contacting the contact pearl of needle bearing outer ring by regulating spring, described force-transmitting seat and outside fix are provided with outer spring between overlapping, outer spring one end connects force-transmitting seat, the outer spring the other end connects outside fix cover.
As preferably, piston rod stretch out direction towards force-transmitting seat, described outside fix puts to be provided with and coordinates interior hole, preset interior hole, hole, preset female coaxial and connection in described cooperation, described bearing push rod stretches into and coordinates in interior hole, the inwall in described preset interior hole and the end face of bearing push rod front end surround bearing presetting slot jointly, and two pilot holes in an adaptive location hole group are coaxial, and described contact pearl diameter and aperture, adaptive location hole are adaptive.
As preferably, also comprising a pusher head, the piston rod of described power current cylinder connects pusher head, and described force-transmitting seat is provided with connective slot hole towards one end of power current cylinder, and described pusher head stretches into and is connected in connective slot hole and with force-transmitting seat.
As preferably, described outside fix puts and is provided with contact location edge, the described contact location edge back of the body is plane to the surface of force-transmitting seat side.
As preferably, described outside fix puts and is provided with an internal chute, described outside fix puts and is provided with an adjustment mobile jib that can slide in internal chute, the axis that described adjustment mobile jib passes outside fix cover and the axes normal overlapped with outside fix, outside regulating mobile jib two ends to be all in outside fix cover, two inherent regulation portions are located at respectively and regulate mobile jib two ends, described inherent regulation portion comprises outer cross link, connect the vertical connecting rod of outer cross link, the horizontal round bar of the inherent regulation being connected on vertical connecting rod, it is under the jurisdiction of the horizontal equal level of round bar of two inherent regulations in two inherent regulation portions, two horizontal round bars of inherent regulation are symmetrical mutually, symmetry centre is the axis of outside fix cover, the external diameter that vertical distance between two horizontal round bars of inherent regulation assembles end with bent axle head bearing is consistent, described adjustment mobile jib is provided with two outer ring gag lever posts being in internal chute, mutual symmetry centered by the axis of locating sleeve beyond two outer ring gag lever posts, the outer end of outer ring gag lever post stretch out internal chute outer and with treat that the inner side-wall of pressing bearing outer ring contacts, described vertical connecting rod through contact location edge and with contact location edge and be slidably connected, the horizontal round bar of described inherent regulation is within the scope that contact location edge surrounds.
As preferably, described outer ring gag lever post level, the outer end of described outer ring gag lever post is provided with the block rubber treating pressing bearing needle roller for contacting.
As preferably, mobile jib is slidably connected described outer ring gag lever post with regulating, slip direction level, the inner connection outside fix cover of described outer ring gag lever post.
As preferably, described outside fix puts and is provided with cylindrical hole, described cylindrical hole is provided with through the grease sponge column treating pressing bearing centre hole, the described diameter under grease sponge column state of nature is treat contraposition needle roller spacing in pressing bearing 105% to 120%, the length of described grease sponge column is 1.2 to 1.5 times of needle roller length in axle to be press-fited, is provided with Steel Skeleton post in described grease sponge column.
As preferably, described outside fix puts and is provided with cross spacing groove, it is provided with spacing screw in described cross spacing groove, described spacing screw connection bearing push rod, described bearing push rod is provided with rear end block, described rear end block is between force-transmitting seat and outside fix cover, described rear end block contact outside fix cover.
The invention has the beneficial effects as follows: can effectively existing step type needle roller bearing without inner ring be press-fited on the bearing hole of crankshaft rear end, have before press-fiting and centering function, have auxiliary spacing when press-fiting, Shaft alignment state can be maintained, press-fiting process stabilization, bearing not easily tilts, after having press-fited, also complete simultaneously and add painting lubricating oil, function degree of integration height for the first time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the partial enlargement figure of Fig. 1;
Fig. 3 is the vertical view at bearing push rod place of the present invention;
Fig. 4 is the side-view at bearing push rod place of the present invention;
Fig. 5 is the structural representation that the present invention coordinates interior hole place;
Fig. 6 is step type needle roller bearing without inner ring structural representation;
Fig. 7 is the structural representation at non-movable piston place of the present invention;
Fig. 8 is the structural representation of axle embodiment 2 of the present invention;
Fig. 9 is the partial enlargement figure of Fig. 8;
Figure 10 is the structural representation of axle embodiment 3 of the present invention;
Figure 11 is the partial enlargement figure of Figure 10.
In figure: power current cylinder 1, force-transmitting seat 2, bearing push rod 3, outside fix cover 4, hole 5 in coordinating, preset interior hole 6, pilot hole 7, non-movable piston 8, regulating spring 9, contact pearl 10, outer spring 11, pusher head 12, contact location edge 13, the big axle journal 14 of bent axle, periphery 15, step type needle roller bearing without inner ring 16, big footpath section 17, path section 18, internal chute 19, regulate mobile jib 20, outer cross link 21, vertical connecting rod 22, the horizontal round bar 23 of inherent regulation, outer ring gag lever post 24, block rubber 25, cylindrical hole 26, grease sponge column 27, Steel Skeleton post 28, cross spacing groove 29, spacing screw 30, bearing hole 31, bearing assemble end 32.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1: such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, in embodiment shown in Fig. 7, a kind of step type needle roller bearing without inner ring press-loading apparatus, comprise bearing press mounting pedestal, power current cylinder 1, described bearing press mounting pedestal comprises force-transmitting seat 2, bearing push rod 3, bearing push rod 3 is near the rear end that one end of power current cylinder 1 is bearing push rod 3, described force-transmitting seat 2 is connected on the rear end of bearing push rod 3, power current cylinder 1 has piston rod, piston rod stretch out direction towards force-transmitting seat 2, described bearing push rod 3 is arranged with and is slidably connected with bearing push rod 3 and coaxial outside fix cover 4, described outside fix cover 4 is provided with hole 5 in coordinating, preset interior hole 6, hole 5 in described cooperation, preset interior hole 6 is coaxial and is connected, described bearing push rod 3 stretches into and coordinates in interior hole 5, the inwall in described preset interior hole 6 and the end face of bearing push rod 3 front end surround bearing presetting slot jointly, described outside fix cover 4 is provided with some adaptive location holes group, an adaptive location hole group comprises two and runs through the pilot hole 7 that 4 sidewalls are overlapped in outside fix, two pilot holes 7 in an adaptive location hole group are coaxial, described pilot hole 7 is provided with non-movable piston 8, described non-movable piston 8 connects one for contacting the contact pearl 10 of needle bearing outer ring by regulating spring 9, described contact pearl 10 diameter and pilot hole 7 aperture are adaptive, it is provided with an outer spring 11 being enclosed within bearing push rod 3 between described force-transmitting seat 2 and outside fix cover 4, described outer spring 11 one end connects force-transmitting seat 2, outer spring 11 the other end connects outside fix cover 4.
Also comprising a pusher head 12, the piston rod of described power current cylinder 1 connects pusher head 12, and described force-transmitting seat 2 is provided with connective slot hole towards one end of power current cylinder 1, and described pusher head 12 stretches into and is connected in connective slot hole and with force-transmitting seat 2. Power current cylinder 1 and force-transmitting seat 2 is stable to be connected, press-fits that force direction in process is stable, force fluctuation is little, it is possible to raising press-fits the centering effect in process.
Described outside fix cover 4 is provided with contact location edge 13, and it is plane that described contact location edge 13 is carried on the back to the surface of force-transmitting seat 2 side. Contact location edge 13 can the periphery 15 of axle journal 14 big with bent axle contact, and slightly locates, it is to increase pre-determined bit effect, and by contact, avoids the movements of outside fix cover 4 in working process, it is to increase stability.
When needing to carry out when press-fiting of step type needle roller bearing without inner ring 16, by step type needle roller bearing without inner ring to be press-fited with big footpath section 17 inwardly, path section 18 direction outwardly insert bearing presetting slot, now treating that big footpath, the outer ring of pressing bearing section 17 outer side is pushed down by each contact pearl 10, regulating spring 9 is in compressed state all the time.Bent axle level being fixed, now basic the alignment with step type needle roller bearing without inner ring 16 in the bearing hole 31 of crankshaft rear end is alignd substantially in advance, does not ensure the accuracy to neutralization centering. now can start power current cylinder 1, drive bearing push rod 3, outside fix cover 4 moves towards bent axle, treat that pressing bearing also starts to move towards bearing hole 31, the take the lead in periphery 15 of axle journal 14 big with bent axle of contact location edge 13 on outside fix cover 4 contacts, then path section 18 is introduced into bearing hole 31, now the inner side-wall in bearing hole 31 does not contact and treats pressing bearing, then section 17 outer ring in big footpath starts to reach bearing hole 31, after bearing hole 31 contacts with big footpath section 17, big footpath section 17 starts to be forced to move to adapt to bearing hole 31, in moving process, spacing owing to having the compression of each contact pearl 10, even if big footpath section 17 has inclination, also can be restricted, the pre-centering before coordinating is realized it is thus possible to comparatively effective, subsequently, under the stable promotion of power current cylinder 1, treat that pressing bearing continues to be pressed into bearing hole 31, in secondary process, whether size or direction are all comparatively stable to the power that power current cylinder 1 is provided by force-transmitting seat 2, part-time each contact pearl 10 can carry out Limit Bearing always from least two directions, so bigger inclination also can not be there is by pressing bearing.
Embodiment 2: the basic structure of the present embodiment and the mode of enforcement are with embodiment 1, its difference is, such as Fig. 8, shown in Fig. 9, described outside fix cover 4 is provided with an internal chute 19, described outside fix cover 4 is provided with an adjustment mobile jib 20 that can slide in internal chute 19, described adjustment mobile jib 20 is through the axis of outside fix cover 4 and overlaps the axes normal of 4 with outside fix, outside regulating mobile jib 20 two ends to be all in outside fix cover 4, two inherent regulation portions are located at respectively and regulate mobile jib 20 two ends, described inherent regulation portion comprises outer cross link 21, connect the vertical connecting rod 22 of outer cross link 21, the horizontal round bar 23 of the inherent regulation being connected on vertical connecting rod 22, it is under the jurisdiction of the horizontal round bar 23 of two inherent regulations all levels in two inherent regulation portions, two horizontal round bars 23 of inherent regulation are symmetrical mutually, symmetry centre is the axis of outside fix cover 4, the external diameter that vertical distance between two horizontal round bars 23 of inherent regulation assembles end 32 with bent axle head bearing is consistent, described adjustment mobile jib 20 is provided with two outer ring gag lever posts 24 being in internal chute 19, mutual symmetry centered by the axis of locating sleeve 4 beyond two outer ring gag lever posts 24, the outer end of outer ring gag lever post 24 stretch out internal chute 19 outer and with treat that the inner side-wall of pressing bearing outer ring contacts, described vertical connecting rod 22 through contact location edge 13 and with contact location edge 13 and be slidably connected, the horizontal round bar 23 of described inherent regulation is within the scope that contact location edge 13 surrounds.
Step type needle roller bearing without inner ring 16 is after inserting bearing presetting slot, it is not only outer side to be pushed down by each contact pearl 10, the inner side-wall of its outer ring also contacts outer ring gag lever post 24, owing to outer ring gag lever post 24 has two, and two outer ring gag lever posts 24 are on a vertical plane, and it is symmetrical as being necessary mutually centered by the axis of locating sleeve 4 in addition, outer ring gag lever post 24 number can also be more, therefore outer ring gag lever post 24 can be used for big footpath, bearing outer ring section 17 is carried out pre-determined bit, and it moves up and down also can drive and treats that pressing bearing moves.
Sayed as in background technology, owing to treating that pressing bearing is step type needle roller bearing without inner ring 16, so just cannot adopt by stretching into the centering mode of rigidity location bar in brearing bore, this also means to treat that pressing bearing is before entering bearing hole 31, it does not have realize pre-centering truly.And in the scheme of the present embodiment, contact location edge 13 on locating sleeve 4 takes the lead in after the periphery 15 of axle journal 14 big with bent axle contacts outside, before big footpath section 17 enters bearing hole 31, two horizontal round bars 23 of inherent regulation can first reach the cylindrical place of bent axle head bearing assembling end 3232. The cylindrical of bent axle head bearing assembling end 32 is the structure of bent axle self, the same with the bearing hole 31 being opened in crankshaft rear end, all coaxial with bent axle, this is just for we providing a good centering centering basis, as long as we ensure to treat that the cylindrical that pressing bearing and bent axle head bearing assemble end 32 is coaxial, then treat that pressing bearing and bearing hole 31 are naturally also just coaxial. In working process, two horizontal round bar 23 contact bearing assembling end 32 cylindricals of inherent regulation are before section 17 engagement shaft bearing bore 31 inwall of big footpath, when two horizontal round bar 23 contact bearings of inherent regulation assemble end 32, start first time inherent regulation, upwards or slide downward, so that bearing assemble end 32 cylindrical just to enter between two horizontal round bars 23 of inherent regulation the vertical distance between two horizontal round bars 23 of inherent regulation consistent with the external diameter that bent axle head bearing assembles end 32. In this for the first time self-regulating process, inherent regulation horizontal round bar 23 is upwards or slide downward certain distance, also driven and regulated mobile jib 20 to slide same distance, mobile jib 20 is regulated then to drive outer ring gag lever post 24 also upwards or the same distance of slide downward, so, then outer ring gag lever post 24 also drives and to treat that pressing bearing is upwards or the same distance of slide downward. Now, just complete the pre-centering treating pressing bearing, so that big footpath section 17 had just been alignd with bearing hole 31 before entering bearing hole 31, contact unnecessary subsequently can be avoided and collides with so that big footpath section 17 more can enter bearing hole 31 smoothly, stable.
Described outer ring gag lever post 24 level, the outer end of described outer ring gag lever post 24 is provided with the block rubber 25 treating pressing bearing needle roller for contacting. Block rubber 25 can improve outer ring gag lever post 24 and the contact treating pressing bearing, can not damage again needle roller simultaneously.
Described outside fix cover 4 is provided with cylindrical hole 26, described cylindrical hole 26 is provided with through the grease sponge column 27 treating pressing bearing centre hole, the described diameter under grease sponge column 27 state of nature is treat contraposition needle roller spacing in pressing bearing 105% to 120%, the length of described grease sponge column 27 is 1.2 to 1.5 times of needle roller length in axle to be press-fited, is provided with Steel Skeleton post 28 in described grease sponge column 27. In general, bearing batch lubrication can be completed by machine, more laborsaving and quick. But the step type needle roller bearing without inner ring 16 in the present invention, if being first coated with lubricating grease by machine, then in the bearing hole 31 being press fit into crankshaft rear end, lubricating grease easily reaches in process in other structure press-fiting, and causes follow-up cleaning inconvenience. And after bearing press mounting completes, be coated with lubricating grease again, then can only manually carry out, comparatively wasted time and energy. And had grease sponge column 27, then when inserting bearing presetting slot until pressing bearing, grease sponge column 27 has filled in brearing bore, touches bearing inner ring and each needle roller. Grease sponge column 27 has adsorbed lubricating grease in advance, and when completing bearing press mounting, the present invention and bearing also complete the precoating of lubricating oil after departing from passing, the lubricating oil of the painting first operation after eliminating.And, owing to being provided with Steel Skeleton post 28 in grease sponge column 27, so grease sponge also has certain centering booster action, it is possible to coordinate contact pearl 10, regulating spring 9 structure to realize the fine setting of bearing and spacing together.
Described outside fix cover 4 is provided with cross spacing groove 29, spacing screw 30 it is provided with in described cross spacing groove 29, described spacing screw 30 connection bearing push rod 3, described bearing push rod 3 is provided with rear end block, described rear end block is between force-transmitting seat 2 and outside fix cover 4, described rear end block contact outside fix cover 4. Carrying out the spacing of sliding distance by spacing groove, spacing screw 30 etc., between preventing bearing push rod 3 and outside fix from overlapping 4, unidirectional relatively sliding is apart from excessive.
Embodiment 3: the basic structure of the present embodiment and the mode of enforcement are with embodiment 2, its difference is, as shown in Figure 10, Figure 11, mobile jib 20 is slidably connected described outer ring gag lever post 24 with regulating, slip direction level, the inner connection outside fix cover 4 of described outer ring gag lever post 24. mobile jib 20 is slidably connected outer ring gag lever post 24 with regulating, then ensure that outer ring gag lever post 24 can along with treating that pressing bearing moves towards bearing hole 31 together, press-fit in the process of assembling in big footpath section 17 and bearing hole 31, outer ring gag lever post 24 still the moment for treating that pressing bearing provides tune heart alignment function, when having slope trend until pressing bearing, the angle of inclination treating pressing bearing is blocked by outer ring gag lever post 24 completely, fully ensure that and treat that pressing bearing is in the whole horizontal property press-fiting in process, furthermore before press-fiting, completed centering, therefore, bearing can not only press-fit smoothly, and it is good to have press-fited rear right alignment.
Claims (9)
1. a step type needle roller bearing without inner ring press-loading apparatus, it is characterized in that, comprise bearing press mounting pedestal, power current cylinder (1), bearing press mounting pedestal comprises force-transmitting seat (2), bearing push rod (3), described force-transmitting seat (2) is connected on bearing push rod (3), power current cylinder (1) has piston rod, described bearing push rod (3) is arranged with the outside fix cover (4) being slidably connected with bearing push rod (3), described outside fix cover (4) is provided with some adaptive location holes group, an adaptive location hole group comprises the pilot hole (7) that two run through outside fix cover (4) sidewall, pilot hole (7) is provided with non-movable piston (8), described non-movable piston (8) connects one for contacting the contact pearl (10) of needle bearing outer ring by regulating spring (9), it is provided with outer spring (11) between described force-transmitting seat (2) and outside fix cover (4), outer spring (11) one end connects force-transmitting seat (2), outer spring (11) the other end connects outside fix cover (4).
2. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 1, it is characterized in that, described piston rod stretch out direction towards force-transmitting seat (2), described outside fix cover (4) is provided with hole (5) in coordinating, preset interior hole (6), hole (5) in described cooperation, preset interior hole (6) is coaxial and is connected, described bearing push rod (3) stretches into and coordinates in interior hole (5), the inwall in described preset interior hole (6) and the end face of bearing push rod (3) front end surround bearing presetting slot jointly, two pilot holes (7) in an adaptive location hole group are coaxial, described contact pearl (10) diameter and pilot hole (7) aperture are adaptive.
3. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 1, it is characterized in that, also comprise a pusher head (12), the piston rod of described power current cylinder (1) connects pusher head (12), described force-transmitting seat (2) is provided with connective slot hole towards one end of power current cylinder (1), and described pusher head (12) stretches into and is connected in connective slot hole and with force-transmitting seat (2).
4. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 1, it is characterized in that, described outside fix cover (4) is provided with contact location edge (13), and described contact location edge (13) back of the body is plane to the surface of force-transmitting seat (2) side.
5. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 4, it is characterized in that, described outside fix cover (4) is provided with an internal chute (19), described outside fix cover (4) is provided with an adjustment mobile jib (20) that can slide in internal chute (19), described adjustment mobile jib (20) through outside fix cover (4) axis and with the axes normal of outside fix cover (4), outside regulating mobile jib (20) two ends to be all in outside fix cover (4), two inherent regulation portions are located at respectively and regulate mobile jib (20) two ends, described inherent regulation portion comprises outer cross link (21), connect the vertical connecting rod (22) of outer cross link (21), the horizontal round bar (23) of the inherent regulation being connected on vertical connecting rod (22), it is under the jurisdiction of the horizontal round bar (23) of two inherent regulations all levels in two inherent regulation portions, two horizontal round bars (23) of inherent regulation are symmetrical mutually, symmetry centre is the axis of outside fix cover (4), the external diameter that vertical distance between the two horizontal round bar of inherent regulations (23) assembles end (32) with bent axle head bearing is consistent, described adjustment mobile jib (20) is provided with two outer ring gag lever posts (24) being in internal chute (19), mutual symmetry centered by the axis of locating sleeve (4) beyond two outer ring gag lever posts (24), the outer end of outer ring gag lever post (24) stretch out internal chute (19) outward and with treat that the inner side-wall of pressing bearing outer ring contacts, described vertical connecting rod (22) through contact location edge (13) and with contact location edge (13) and be slidably connected, the horizontal round bar (23) of described inherent regulation is within the scope that contact location edge (13) surrounds.
6. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 5, it is characterized in that, described outer ring gag lever post (24) level, the outer end of described outer ring gag lever post (24) is provided with the block rubber (25) treating pressing bearing needle roller for contacting.
7. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 5, it is characterized in that, mobile jib (20) is slidably connected described outer ring gag lever post (24) with regulating, slip direction level, inner connection outside fix cover (4) of described outer ring gag lever post (24).
8. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 5, it is characterized in that, described outside fix cover (4) is provided with cylindrical hole (26), described cylindrical hole (26) is provided with through the grease sponge column (27) treating pressing bearing centre hole, the described diameter under grease sponge column (27) state of nature is treat contraposition needle roller spacing in pressing bearing 105% to 120%, the length of described grease sponge column (27) is 1.2 to 1.5 times of needle roller length in axle to be press-fited, it is provided with Steel Skeleton post (28) in described grease sponge column (27).
9. a kind of step type needle roller bearing without inner ring press-loading apparatus according to claim 1 or 2 or 3 or 4, it is characterized in that, described outside fix cover (4) is provided with cross spacing groove (29), it is provided with spacing screw (30) in described cross spacing groove (29), described spacing screw (30) connection bearing push rod (3), described bearing push rod (3) is provided with rear end block, described rear end block is between force-transmitting seat (2) and outside fix cover (4), described rear end block contact outside fix cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814563.9A CN105666092B (en) | 2015-11-20 | 2015-11-20 | A kind of step needle roller bearing without inner ring press-loading apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814563.9A CN105666092B (en) | 2015-11-20 | 2015-11-20 | A kind of step needle roller bearing without inner ring press-loading apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105666092A true CN105666092A (en) | 2016-06-15 |
| CN105666092B CN105666092B (en) | 2017-09-19 |
Family
ID=56947070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814563.9A Expired - Fee Related CN105666092B (en) | 2015-11-20 | 2015-11-20 | A kind of step needle roller bearing without inner ring press-loading apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105666092B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443048A (en) * | 2017-09-01 | 2017-12-08 | 中国重汽集团济南动力有限公司 | A kind of knuckle needle bearing press-fitting tool and press-loading process |
| CN109866004A (en) * | 2019-03-22 | 2019-06-11 | 重庆青山工业有限责任公司 | Assemble the press mounting tool of elastic cylindrical pin |
| CN110052807A (en) * | 2018-01-19 | 2019-07-26 | 浙江师范大学 | A kind of automatic installation apparatus of sliding bearing |
| CN111922976A (en) * | 2020-08-27 | 2020-11-13 | 广东电网有限责任公司 | Separation tool for cork rubber pad between military cap and sleeve sealing surface |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008036767A (en) * | 2006-08-04 | 2008-02-21 | Mitsubishi Fuso Truck & Bus Corp | Assembling device of roller tappet and assembling method thereof |
| AU2011100987A4 (en) * | 2011-08-09 | 2011-11-17 | Hengdian Group Linix Motor Co., Ltd. | Bearing pressing device |
| CN203863304U (en) * | 2014-04-24 | 2014-10-08 | 浙江吉利控股集团有限公司 | Needle bearing press fitting device |
| CN204094421U (en) * | 2014-07-29 | 2015-01-14 | 浙江吉利罗佑发动机有限公司 | A kind of novel bearing outer shroud press-loading apparatus |
| CN204277492U (en) * | 2014-10-28 | 2015-04-22 | 宁波吉利罗佑发动机零部件有限公司 | A kind of shaft part axial-positioning device |
-
2015
- 2015-11-20 CN CN201510814563.9A patent/CN105666092B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008036767A (en) * | 2006-08-04 | 2008-02-21 | Mitsubishi Fuso Truck & Bus Corp | Assembling device of roller tappet and assembling method thereof |
| AU2011100987A4 (en) * | 2011-08-09 | 2011-11-17 | Hengdian Group Linix Motor Co., Ltd. | Bearing pressing device |
| CN203863304U (en) * | 2014-04-24 | 2014-10-08 | 浙江吉利控股集团有限公司 | Needle bearing press fitting device |
| CN204094421U (en) * | 2014-07-29 | 2015-01-14 | 浙江吉利罗佑发动机有限公司 | A kind of novel bearing outer shroud press-loading apparatus |
| CN204277492U (en) * | 2014-10-28 | 2015-04-22 | 宁波吉利罗佑发动机零部件有限公司 | A kind of shaft part axial-positioning device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443048A (en) * | 2017-09-01 | 2017-12-08 | 中国重汽集团济南动力有限公司 | A kind of knuckle needle bearing press-fitting tool and press-loading process |
| CN107443048B (en) * | 2017-09-01 | 2020-02-18 | 中国重汽集团济南动力有限公司 | Press fitting tool and press fitting process for needle roller bearing of steering knuckle |
| CN110052807A (en) * | 2018-01-19 | 2019-07-26 | 浙江师范大学 | A kind of automatic installation apparatus of sliding bearing |
| CN110052807B (en) * | 2018-01-19 | 2024-03-26 | 浙江师范大学 | Automatic installation equipment for sliding bearing |
| CN109866004A (en) * | 2019-03-22 | 2019-06-11 | 重庆青山工业有限责任公司 | Assemble the press mounting tool of elastic cylindrical pin |
| CN111922976A (en) * | 2020-08-27 | 2020-11-13 | 广东电网有限责任公司 | Separation tool for cork rubber pad between military cap and sleeve sealing surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105666092B (en) | 2017-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105619054B (en) | A kind of needle bearing press-loading apparatus | |
| CN105666092A (en) | Press-fitting device for a stepped type needle roller bearing without inner ring | |
| CN201020612Y (en) | Elastic spring and spring base press-fitting device | |
| CN103182641B (en) | Pressing fit machine for rolling bearing pedestal | |
| CN204183195U (en) | Axle bush press-loading apparatus | |
| CN102806453B (en) | A kind of locker clamping instrument | |
| CN106041822A (en) | Snap ring press-fitting device for engine piston pin | |
| CN207127480U (en) | A kind of device for being used to be pressed oil sealing | |
| CN206723290U (en) | Improve the bearing sealed ring press fitting sizing die of slipping ring, flange | |
| CN108705017A (en) | A kind of efficient auto parts machinery forging equipment | |
| CN103084827B (en) | Spring press fitting device of adjusting block | |
| CN104924051A (en) | Rubber bushing interference press fitting tool and method | |
| CN207171417U (en) | The frock of the snap ring of stopping caliper after two-stage press fitting | |
| CN102418745A (en) | Method for forming self-lubricating joint bearing and forming mold special for implementing same | |
| CN104476169A (en) | Bearing assembly machine | |
| CN209699011U (en) | A kind of earless circlip mounting tool | |
| CN104175255B (en) | For the positioning fixture that clutch coupling of washing machine movement press-fits | |
| CN209000651U (en) | Press-connection machine | |
| CN107253035A (en) | Semi-floating piston pin press-loading apparatus | |
| CN204094683U (en) | A kind of positioning fixture press-fited for clutch coupling of washing machine movement | |
| CN208614170U (en) | A kind of carrier revolution jacking positioning device | |
| CN208231705U (en) | A kind of bearing press-in jig of fan base | |
| CN211589154U (en) | Floating pressure head device | |
| CN103016552B (en) | A kind of bearing double-side dustproof lid technique for riveting and mould | |
| CN203009612U (en) | One-step riveting mould for double dust-proof covers of bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161013 Address after: 411100 Hunan province Xiangtan City Jiuhua Economic Zone auspicious Road South Jiangnan Avenue East Applicant after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Applicant before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Applicant before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Applicant before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Applicant before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20211120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |