CN111037259B - Quick installation device of joint bearing - Google Patents
Quick installation device of joint bearing Download PDFInfo
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- CN111037259B CN111037259B CN201911265741.1A CN201911265741A CN111037259B CN 111037259 B CN111037259 B CN 111037259B CN 201911265741 A CN201911265741 A CN 201911265741A CN 111037259 B CN111037259 B CN 111037259B
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- 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
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Abstract
The invention belongs to the field of mechanical assembly tool design, and particularly relates to a rapid mounting device for a joint bearing. Due to manual punching, the installation quality is poor, and the defects of cracks, creases, burrs and the like are easy to occur. The invention relates to a joint bearing rapid mounting device, which comprises a frame-shaped bracket, wherein an upper punch is mounted at the top of the bracket by an upper punching mechanism and is provided with a downward punching claw, the lower punching mechanism comprises a positioning mandrel mounted at the bottom of the bracket, the upper end of the positioning mandrel is provided with a mandrel matched with an inner hole of a joint bearing, the outer side of the mandrel is provided with a ring groove, and the depth of the ring groove is greater than the height of an inner ring of the joint bearing higher than that of an outer ring; the lower punch is sleeved outside the positioning mandrel and is provided with an upward punching tooth. The device has the advantages of simple operation, quick installation, safety and reliability, and simultaneously, all the punching actions are completed at one time because the annular punching points are simultaneously carried out and the upper punching points and the lower punching points are simultaneously carried out, the punching points are uniform, the installation quality is good, and the device is not limited by the technical level of workers.
Description
Technical Field
The invention belongs to the field of mechanical assembly tool design, and particularly relates to a rapid mounting device for a joint bearing.
Background
The joint bearing is installed in a plurality of methods, wherein one installation method is that the joint bearing is pressed into the bearing seat and then is uniformly pressed by punching points along the circumference by using a punch. The installation mostly adopts a mode that a press presses the joint bearing into the bearing seat and then manually punches points, the installation mode has more steps and the installation process is complicated. Meanwhile, as the point is punched manually, multiple times of hammering are needed, the force is not uniform, the installation quality is poor, the defects of cracks, creases, burrs and the like are easy to occur, the knuckle bearing is easy to be installed not in place, the surface quality of a product can be damaged, and the requirement on operators is high.
Disclosure of Invention
Aiming at the defects of the existing installation mode, the invention provides the joint bearing rapid installation device which is simple to operate, rapid to install, safe, reliable, high in installation quality and low in level requirement on operators.
The technical scheme of the invention is as follows: a joint bearing quick mounting device comprises a frame-shaped support, wherein an upper punching mechanism and a lower punching mechanism are mounted in the support, an upper punching head is mounted at the top of the support by the upper punching mechanism and provided with a downward punching claw, the lower punching mechanism comprises a positioning mandrel mounted at the bottom of the support, a mandrel matched with an inner hole of a joint bearing is arranged at the upper end of the positioning mandrel, a ring groove is formed in the outer side of the mandrel, and the depth of the ring groove is greater than the height of an inner ring of the joint bearing, which is higher than that of an outer ring; the lower punch is sleeved outside the positioning mandrel and provided with an upward punching tooth; the target structure is placed on the outer side of the positioning mandrel, and the joint bearing is rapidly installed through punching claws and punching.
Further, the upper punching mechanism comprises an upper punch penetrating through the top of the bracket, wherein the upper punch is provided with an inner stepped hole on the upper cylinder and is provided with annularly distributed punching claws on the lower part; the reset spring is arranged between the pressure head of the upper punch and the outer end face of the bracket; the rod part of the positioning screw penetrates out of the inner side stepped hole and then is connected with an upper support, the upper support is integrally of a strip structure, the middle part of the upper support is provided with a cylindrical part, the lower end of the cylindrical part is provided with a downward annular bulge, the two opposite sides of the upper support are respectively provided with a transverse moving rod part of an upper inclined slide block in a sliding mode, the inner end of the transverse moving rod part of the upper inclined slide block is provided with a pressing block, an inclined groove is machined in the pressing block, and the upper inclined slide block keeps centering force through an upper inclined slide block positioning nut and an upper inclined slide block spring; a pre-compressed upper support spring is also arranged between the cylinder body and the upper support of the upper punch, and the punching claw downwards passes through the through hole of the upper support on the cylinder body part.
Furthermore, the lower punching mechanism comprises a positioning mandrel jacked up by a positioning mandrel spring at the bottom of the support, the bottoms of two sides of the positioning mandrel are provided with inclined surface structures, the upper end of the positioning mandrel is provided with a mandrel matched with an inner hole of the joint bearing, the outer side of the mandrel is provided with a ring groove, the depth of the ring groove is greater than the height of an inner ring of the joint bearing higher than an outer ring, and the top of the ring groove forms an upward annular bulge; the lower punch is of an annular structure, the upper end face of the lower punch is provided with a punching tooth, the lower punch is sleeved on the outer side of the positioning mandrel and supported by the inclined plane structure, the outer side of the lower punch is sleeved with a lower support, and elastic bodies are arranged between the front side and the rear side of the lower support and the support; the bottom of the bracket is also provided with a pair of inclined ejecting blocks and a pair of downward inclined sliding blocks, and the upper end parts of the inclined ejecting blocks are provided with inclined planes which are matched with the inclined planes of the upward inclined sliding blocks after respectively penetrating through the upper support; the bottom of the bracket is symmetrically provided with a pair of downward-inclined sliding block supports, wherein the transverse moving rod part of the downward-inclined sliding block is installed in a sliding manner, the inner end of the transverse moving rod part of the downward-inclined sliding block is provided with a pressing block, an inclined groove is processed in the pressing block and is matched with the inclined surface of the inclined surface structure, and the upward-inclined sliding block keeps centering force through an upward-inclined sliding block positioning nut and an upward-inclined sliding block spring.
Further, the downward annular bulge and the upward annular bulge clamp the joint bearing outer ring during installation.
Furthermore, the number of the punching claws is the same as that of the punching teeth, and the value range is 3-12.
Further, the punching claw and the punching tooth are provided with wedge-shaped end parts for pressing.
Furthermore, the lower end of the inclined ejecting block stretches across the lower inclined sliding block and is connected with the bracket.
Further, the upper support has L-shaped supports at both ends for mounting the upper slanting slider.
Furthermore, in a natural state, a pair of upper inclined slide blocks respectively penetrate through the clearance between the punching claws of the upper punching head to support the cylinder of the upper punching head; a pair of lower inclined slide blocks respectively penetrate into the gaps between the elastic bodies of the lower support to support the lower support.
Furthermore, during installation, the joint bearing seat sleeve is sleeved on the positioning mandrel and is supported by the lower support; then sleeving a joint bearing on an upper end mandrel of the positioning mandrel, wherein the lower end face of the bearing outer ring is supported by an annular bulge of the positioning mandrel; through pushing down the pressure head to drive upper punch and upper bracket decline, and through the annular protrusion of upper bracket push down the bearing inner race and the whole decline of positioning core axle makes joint bearing get into joint bearing housing, the upper oblique slider outwards removes under the extrusion of oblique kicking block in this process, and the lower oblique slider outwards removes under the extrusion of positioning core axle, and by dashing the claw and dashing the tooth and dashing some binding off at the upper and lower both sides of joint bearing housing.
The invention has the advantages that: the utility model provides a joint bearing quick installation device, this installation device through an action with exert a power, accomplish joint bearing's impressing and towards the point fixed, easy operation, the installation is swift, safe and reliable, simultaneously owing to be the annular towards the point go on simultaneously, from top to bottom towards the point go on simultaneously, once accomplish all towards the action of point, it is even to dash the point, and the installation is of high quality, and does not receive workman technical level's restriction.
Drawings
FIG. 1 is a schematic view of a joint bearing according to the present invention before being pressed in;
FIG. 2 is a cross-sectional view taken along axis B-B of FIG. 1;
FIG. 3 is a schematic structural view of the knuckle bearing of the present invention after being pressed in;
FIG. 4 is a cross-sectional view taken along axis A-A of FIG. 3;
FIG. 5 is a three-dimensional schematic view of the upper punch;
FIG. 6 is a three-dimensional schematic view of the upper support;
FIG. 7 is a three-dimensional schematic view of an upper diagonal slider;
FIG. 8 is a three-dimensional schematic view of a lifter block;
FIG. 9 is a three-dimensional schematic view of a down-pitch slide;
FIG. 10 is a three-dimensional schematic view of a positioning mandrel;
FIG. 11 is a three-dimensional schematic view of a lower punch.
Detailed Description
The present invention is described in further detail below. Referring to fig. 1 to 11, a joint bearing quick mounting device comprises a support 1, an inclined ejector block 2, a lower punch 3, a positioning mandrel 4, a positioning mandrel spring 5, a lower support 6, a lower inclined slide block 7, a lower inclined slide block spring 8, a lower inclined slide block support 9, a lower inclined slide block positioning nut 10, an upper inclined slide block positioning nut 11, an upper inclined slide block spring 12, an upper inclined slide block 13, an upper support spring 14, a positioning screw 15, a pressure head 16, a return spring 17, an upper punch 18, an upper support 19 and an elastic body 20; the upper punch 18 is arranged in a hole at the upper end of the bracket 1 to form sliding fit; the pressure head 16 is arranged at the upper end of the upper punch 18, and the return spring 17 is arranged on the upper end face of the pressure head 16 and the support 1; the lower end of the upper punch 18 is provided with 3-12 punching claws which are uniformly distributed along the circumference, and the punching claws are inserted into corresponding holes of the upper support 19 and form sliding fit; a positioning screw 15 and an upper support spring 14 are arranged between the upper punch 18 and the upper support 19; l-shaped inclined sliding block supports are arranged on two sides of the upper support 19, and upper inclined sliding blocks 13 are arranged on the upper inclined sliding block supports; an upper inclined slide block spring 12 is arranged between the upper inclined slide block 13 and an L-shaped inclined slide block support of the upper support 19, and an upper inclined slide block positioning nut 11 is arranged at the tail end of the upper inclined slide block 13; the inclined ejector block 2 is installed on the bottom plate of the support 1 and fixedly connected, and the upper end of the inclined ejector block penetrates through a positioning hole in the upper support 19 to form sliding fit.
The lower punch 3 is arranged on the bottom plate of the bracket 1 and fixedly connected with the bottom plate; the positioning mandrel 4 is arranged in a hole of the lower punch 3 and forms sliding fit, and a positioning mandrel spring 5 is arranged between the positioning mandrel 4 and the bracket 1; the lower support 6 is arranged on the excircle of the lower punch 3 and forms sliding fit, and an elastic body 20 is arranged between the lower support 6 and the bracket 1; the lower inclined slide block support 9 is arranged on the bottom plate of the bracket 1 and fixedly connected; the lower inclined slide block 7 is arranged on a lower inclined slide block support 9, a lower inclined slide block spring 8 is arranged between the lower inclined slide block 7 and the lower inclined slide block support 9, and a lower inclined slide block positioning nut 10 is arranged at the tail end of the lower inclined slide block 7.
The inclined ejecting block 2, the lower inclined slider 7, the lower inclined slider spring 8, the lower inclined slider support 9, the lower inclined slider positioning nut 10, the upper inclined slider positioning nut 11, the upper inclined slider spring 12 and the upper inclined slider 13 are all two pieces and are arranged in bilateral symmetry.
The L-shaped inclined sliding block support of the upper support 19 is arranged in a bilateral symmetry manner, an annular bulge is arranged on the lower end face of the upper support 19, the size between the annular bulge and the lower end face is the size of a bearing seat for mounting the joint bearing, and the depth of a counter bore in the annular bulge is greater than the height of an inner ring of the joint bearing higher than that of an outer ring;
the upper end of the positioning mandrel 4 is provided with a mandrel matched with an inner hole of the joint bearing, the outer side of the mandrel is provided with a ring groove, and the depth of the ring groove is greater than the height of the inner ring of the joint bearing higher than the outer ring; the lower end of the positioning core shaft 4 is provided with two symmetrical inclined jacking blocks, and the inclined plane angle of the two symmetrical inclined jacking blocks is consistent with that of the lower inclined slide block 7.
The upper end surface of the lower punch 3 is provided with punching teeth which are uniformly distributed along the circumference and have the same number as that of the punches of the upper punch 18; the lower end of the lower punch 3 is provided with two slots which are symmetrical left and right, and the inclined ejector block of the positioning mandrel 4 is arranged in the slots and forms sliding fit.
The angle of the inclined plane at the upper end of the inclined ejecting block 2 is consistent with that of the inclined plane of the upper inclined sliding block 13.
The working principle of the invention is as follows: as shown in fig. 1, a joint bearing seat is sleeved on a lower end mandrel of a positioning mandrel 4 to form positioning, and the lower end face of the joint bearing seat is attached to the upper end face of a lower support 6; and then the joint bearing is sleeved on the upper end mandrel of the positioning mandrel 4, and the lower end surface of the bearing outer ring is attached to the annular end surface of the positioning mandrel 4. The upper inclined slide 13 now rests between the upper punch 18 and the upper support 19, and the lower inclined slide 7 rests between the lower support 6 and the base plate of the support 1. A downward force is applied to the ram 16 to push the upper punch 18 to move downward, and the upper punch 18 pushes the upper support 19 and the knuckle bearing to move downward together through the upper inclined slide block 13. Since the lower bearing 6 is stationary, the joint bearing block is also stationary. When the knuckle bearing moves downward, the knuckle bearing is pressed into the knuckle bearing seat. While the positioning spindle 4 moves downwards with the knuckle bearing. In the process that the knuckle bearing is pressed into the bearing seat downwards, the upper inclined slide block 13 can touch the inclined ejecting block 2, and under the action of the inclined ejecting block 2, the upper inclined slide block 13 moves outwards and gradually slides away from the upper punch 18; the lower inclined slide block 7 can touch the inclined top block of the positioning core shaft 4 to move outwards and gradually slide away from the lower support 6. When the knuckle bearing is pressed in place, the upper inclined slide block 13 just slides away from the upper punch 18, and the lower inclined slide block 7 just slides away from the lower support 6. At this time, the upper punch 18 continues to move downward relative to the upper support 19, and a downward punching action is formed. The lower support 6 and the positioning mandrel 4 synchronously move downwards under the action of the knuckle bearing and the knuckle bearing seat, and the lower punch 3 does not move to form an upward punching point action. The upper and lower punching points move to simultaneously complete the two-side punching point installation mode of the joint bearing seat, as shown in fig. 3. After the installation is completed, the force applied to the ram 16 is removed and the components are returned to their original state by the spring force.
The installation device completes the pressing-in and punching point fixing of the joint bearing through one action and one force application, is simple to operate, quick to install, safe and reliable, simultaneously, due to the fact that the annular punching points are simultaneously carried out, the upper punching points and the lower punching points are simultaneously carried out, all punching point actions are completed at one time, punching points are uniform, the installation quality is good, and the limitation of the technical level of workers is avoided.
Claims (9)
1. The utility model provides a quick installation device of joint bearing which characterized in that: the upper punching mechanism is provided with an upper punch (18) which is provided with a downward punching claw, the lower punching mechanism comprises a positioning mandrel (4) arranged at the bottom of the support (1), the upper end of the positioning mandrel is provided with a mandrel matched with an inner hole of a joint bearing, the outer side of the mandrel is provided with a ring groove, and the depth of the ring groove is greater than the height of an inner ring of the joint bearing above an outer ring; the outer side of the positioning mandrel (4) is sleeved with a lower punch (3) which is provided with an upward punching tooth; the target structure is placed on the outer side of the positioning mandrel (4), and the joint bearing is rapidly installed through a punching claw and punching; the upper punching mechanism comprises an upper punch (18) penetrating through the top of the bracket (1), wherein the upper punch (18) is provided with an inner side stepped hole on the upper cylinder and is provided with annularly distributed punching claws on the lower part; the return spring (17) is arranged between the pressure head (16) of the upper punch (18) and the outer end surface of the bracket (1); the rod part of the positioning screw (15) penetrates out of the inner side stepped hole and then is connected with an upper support (19), the upper support (19) is integrally of a strip-shaped structure, a cylindrical part is arranged in the middle of the upper support, a downward annular bulge is arranged at the lower end of the cylindrical part, the transverse rod parts of upper inclined sliding blocks (13) are respectively installed on two opposite sides in a sliding mode, the inner ends of the transverse rod parts of the upper inclined sliding blocks (13) are provided with pressing blocks, inclined grooves are machined in the pressing blocks, and the upper inclined sliding blocks (13) keep centering force through upper inclined sliding block positioning nuts (11) and upper inclined sliding block springs (12); a pre-compressed upper abutment spring (14) is also mounted between the cylindrical body of the upper punch (18) and the upper abutment (19), said punch jaws passing down through the upper abutment (19) in the through-hole of the cylindrical body portion.
2. The rapid spherical plain bearing installation device of claim 1, wherein: the lower punching mechanism comprises a positioning mandrel (4) which is jacked up by a positioning mandrel spring (5) at the bottom of the support (1), the bottoms of two sides of the positioning mandrel are provided with inclined surface structures, the upper end of the positioning mandrel is provided with a mandrel matched with an inner hole of the joint bearing, the outer side of the mandrel is provided with a ring groove, the depth of the ring groove is greater than the height of an inner ring of the joint bearing higher than an outer ring, and the top of the ring groove forms an upward annular bulge; the lower punch (3) is of an annular structure, the upper end face of the lower punch is provided with a punching tooth, the lower punch (3) is sleeved on the outer side of the positioning mandrel (4) and supported by the inclined plane structure, the outer side of the lower punch (3) is sleeved with a lower support (6), and elastic bodies (20) are arranged between the front side and the rear side of the lower support (6) and the support (1); the bottom of the bracket (1) is also provided with a pair of inclined ejector blocks (2) and a pair of lower inclined slide blocks (7), the upper end parts of the inclined ejector blocks (2) are provided with inclined planes, and the inclined planes are matched with the inclined planes of the upper inclined slide blocks (13) after respectively penetrating through the upper support (19); a pair of downward-inclined sliding block supports (9) are symmetrically arranged at the bottom of the support (1), a transverse moving rod part of the downward-inclined sliding block (7) is installed in a sliding mode, a pressing block is arranged at the inner end of the transverse moving rod part of the downward-inclined sliding block (7), an inclined groove is formed in the pressing block and matched with an inclined surface of an inclined surface structure, and the upward-inclined sliding block (13) keeps centering force through an upward-inclined sliding block positioning nut (11) and an upward-inclined sliding block spring (12).
3. The rapid spherical plain bearing installation device of claim 2, wherein: when the knuckle bearing is installed, the downward annular bulge and the upward annular bulge clamp the outer ring of the knuckle bearing.
4. The rapid spherical plain bearing installation device of claim 2, wherein: the number of the punching claws is the same as that of the punching teeth, and the range of the punching claws is 3-12.
5. The rapid spherical plain bearing installation device of claim 2, wherein: the punching claw and the punching tooth are provided with wedge-shaped end parts for pressing.
6. The rapid spherical plain bearing installation device of claim 2, wherein: the lower end of the inclined ejecting block (2) stretches across the lower inclined sliding block (7) and is connected with the bracket (1).
7. The rapid spherical plain bearing installation device of claim 2, wherein: the upper support (19) has L-shaped supports at both ends for mounting the upper inclined slide block (13).
8. The rapid spherical plain bearing installation device according to any one of claims 2 to 7, wherein: under the natural state, a pair of upper inclined slide blocks (13) respectively penetrate through the clearance between the punching claws of the upper punching head (18) to support the cylinder of the upper punching head (18); the pair of downward inclined sliding blocks (7) respectively penetrate into the gaps between the elastic bodies (20) of the lower support (6) to support the lower support (6).
9. The rapid spherical plain bearing installation device according to any one of claims 2 to 7, wherein: when the bearing is installed, the joint bearing sleeve is sleeved on the positioning mandrel (4) and is supported by the lower support (6); then sleeving a joint bearing on an upper end mandrel of the positioning mandrel (4), and supporting the lower end surface of the bearing outer ring by an annular bulge of the positioning mandrel (4); the upper punch head (18) and the upper support (19) are driven to descend by pressing the pressing head (16) downwards, the outer ring of the bearing is pressed downwards through the annular protrusion of the upper support (19) and the positioning mandrel (4) integrally descend, so that the joint bearing enters the joint bearing sleeve, the upper inclined sliding block (13) moves outwards under the extrusion of the inclined ejecting block (2) in the process, the lower inclined sliding block (7) moves outwards under the extrusion of the positioning mandrel (4), and the punching claws and the punching teeth punch point closing-in at the upper side and the lower side of the joint bearing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265741.1A CN111037259B (en) | 2019-12-11 | 2019-12-11 | Quick installation device of joint bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265741.1A CN111037259B (en) | 2019-12-11 | 2019-12-11 | Quick installation device of joint bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111037259A CN111037259A (en) | 2020-04-21 |
| CN111037259B true CN111037259B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911265741.1A Active CN111037259B (en) | 2019-12-11 | 2019-12-11 | Quick installation device of joint bearing |
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| Country | Link |
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| CN (1) | CN111037259B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753740B (en) * | 2021-09-24 | 2024-06-11 | 福建省德源智能科技有限公司 | Device and method for centering knuckle bearing inner ring Kong Diaozhuang mandrel |
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|---|---|---|---|---|
| US5857252A (en) * | 1997-08-04 | 1999-01-12 | Tiger Tool International Incorporated | Press for installing universal joint bearing cups |
| CN102072260A (en) * | 2010-12-07 | 2011-05-25 | 成都飞机工业（集团）有限责任公司 | Closing-in device of joint bearing with spherical surface |
| CN102126124A (en) * | 2011-04-02 | 2011-07-20 | 燕山大学 | Roll riveting fixing device for assembling joint bearing |
| CN203062206U (en) * | 2012-12-25 | 2013-07-17 | 惠阳航空螺旋桨有限责任公司 | Self-lubricating spherical plain bearing press fitting locating device |
| CN203330246U (en) * | 2013-03-21 | 2013-12-11 | 陕西飞机工业（集团）有限公司 | Binding-off tool of aviation self-lubricating bearing |
| CN103878256A (en) * | 2014-03-14 | 2014-06-25 | 沈阳飞机工业（集团）有限公司 | Double-side bearing narrowing device and manufacturing method thereof |
| CN107498303A (en) * | 2017-07-31 | 2017-12-22 | 成都飞机工业（集团）有限责任公司 | A kind of oscillating bearing assembling guide-localization riveting device and assembly method |
| CN207267009U (en) * | 2017-08-30 | 2018-04-24 | 江西昌河航空工业有限公司 | A kind of two-sided punching point bearing closing in instrument |
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2019
- 2019-12-11 CN CN201911265741.1A patent/CN111037259B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5857252A (en) * | 1997-08-04 | 1999-01-12 | Tiger Tool International Incorporated | Press for installing universal joint bearing cups |
| CN102072260A (en) * | 2010-12-07 | 2011-05-25 | 成都飞机工业（集团）有限责任公司 | Closing-in device of joint bearing with spherical surface |
| CN102126124A (en) * | 2011-04-02 | 2011-07-20 | 燕山大学 | Roll riveting fixing device for assembling joint bearing |
| CN203062206U (en) * | 2012-12-25 | 2013-07-17 | 惠阳航空螺旋桨有限责任公司 | Self-lubricating spherical plain bearing press fitting locating device |
| CN203330246U (en) * | 2013-03-21 | 2013-12-11 | 陕西飞机工业（集团）有限公司 | Binding-off tool of aviation self-lubricating bearing |
| CN103878256A (en) * | 2014-03-14 | 2014-06-25 | 沈阳飞机工业（集团）有限公司 | Double-side bearing narrowing device and manufacturing method thereof |
| CN107498303A (en) * | 2017-07-31 | 2017-12-22 | 成都飞机工业（集团）有限责任公司 | A kind of oscillating bearing assembling guide-localization riveting device and assembly method |
| CN207267009U (en) * | 2017-08-30 | 2018-04-24 | 江西昌河航空工业有限公司 | A kind of two-sided punching point bearing closing in instrument |
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