CN111775109B - Mounting tool and method for sliding bearing - Google Patents
Mounting tool and method for sliding bearing Download PDFInfo
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- CN111775109B CN111775109B CN202010471302.2A CN202010471302A CN111775109B CN 111775109 B CN111775109 B CN 111775109B CN 202010471302 A CN202010471302 A CN 202010471302A CN 111775109 B CN111775109 B CN 111775109B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
Abstract
The invention discloses a mounting tool and a method for a sliding bearing, wherein the mounting tool comprises: the mandrel sequentially comprises a first thread section, a first angular guide section, a first cylindrical section, a second angular guide section and a second thread section; the baffle is sleeved on the first angular guide section of the mandrel in a sliding fit manner; the positioning sleeve is sleeved on the first cylindrical section of the mandrel in a clearance fit manner, one end of the positioning sleeve is abutted with the baffle plate, and the other end of the positioning sleeve is abutted with a shaft shoulder of the second cylindrical section; the first nut is in threaded connection with the first threaded section of the mandrel; the fixed seat is fixed outside the casing and is sleeved on the second angular guide section in a sliding fit manner; the support frame is sleeved on the second thread section of the mandrel in a clearance fit manner and is abutted with the fixed seat; and the third nut is in threaded fit with the second threaded section of the mandrel. The radial installation structure is simple in structure, convenient to operate and capable of meeting the installation accuracy, and the radial installation of the sliding bearing on the inner hole wall of the casing is realized.
Description
Technical Field
The invention relates to the field of assembling tools, in particular to a sliding bearing mounting tool and a sliding bearing mounting method.
Background
Some sliding bearings of the aircraft engine are installed on the inner wall of the casing hole, and a plurality of sliding bearings are generally radially distributed. The inlet space of the casing is small, and the installation angle position of the sliding bearing is unique, so that the installation of the sliding bearing is always difficult in the installation of parts of an aeroengine. The sliding bearing material QA110-3-1.5 of a certain turboshaft aeroengine needs to be installed at a corresponding position in an input casing along the radial direction, the installation stroke of the sliding bearing is at least more than 32mm, the aperture of an inlet of the casing where the sliding bearing is installed is phi 120mm, the center of an installation hole is 50mm away from an end face, when a common installation tool is adopted, the guiding and force applying structures of the sliding bearing are arranged in the hole, so that the space is too small, force cannot be applied at all, and the flattened part of the sliding bearing needs to be aligned with the flattened part of the casing, thereby further increasing the design difficulty of the installation tool.
Disclosure of Invention
The invention provides a mounting tool of a sliding bearing, aiming at solving the technical problems of difficult mounting caused by small space, angular positioning of the sliding bearing and the like when the sliding bearing is mounted in the traditional input casing.
The technical scheme adopted by the invention is as follows:
a slide bearing installation tool comprising:
the mandrel sequentially comprises a first thread section, a first angular guide section, a first cylindrical section, a second angular guide section and a second thread section;
the baffle is sleeved on the first angular guide section of the mandrel in a sliding fit manner and used for limiting the angular position of the sliding bearing;
the positioning sleeve is sleeved on the first cylindrical section of the mandrel in a clearance fit manner, one end of the positioning sleeve is abutted with the baffle, and the other end of the positioning sleeve is abutted with the shaft shoulder of the second cylindrical section and is used for aligning the flattened part of the sliding bearing with the boss of the casing at the mounting hole of the sliding bearing in an angular direction;
the first nut is arranged on the outer side of the baffle and is in threaded connection with the first threaded section of the mandrel, and is used for limiting the axial positions of the baffle and the positioning sleeve;
the fixed seat is fixed at a flange of a sliding bearing mounting hole outside the casing through a second nut and is sleeved on the second angular guide section of the mandrel in a sliding fit manner;
the support frame is sleeved on the second thread section of the mandrel in a clearance fit manner and is abutted with the fixed seat;
and the third nut is positioned on the outer side of the support frame and is in threaded fit with the second threaded section of the mandrel, and the mandrel is pulled to linearly move relative to the fixed seat and the support frame according to a set angle when the third nut is screwed.
Furthermore, a first washer and a second washer are respectively arranged between the first nut and the baffle plate and between the support frame and the third nut.
Furthermore, the center of baffle is provided with the first angle direction guiding hole that only can be relative first angle direction guide section axial displacement, and the edge is provided with the first angle direction location boss of restriction position sleeve angular position.
Further, the first angular guide section and the first angular guide hole are square in cross-sectional shape.
Furthermore, the center of the locating sleeve is provided with a first central round hole in sliding fit with the first cylindrical section, two ends of the locating sleeve are symmetrically provided with angular locating notches matched with the first angular locating boss and a casing boss at the mounting hole of the sliding bearing respectively, and the diameter of the first central round hole is consistent with the inner diameter of the sliding bearing.
Further, the fixing base includes:
the edge of the rectangular bottom plate is uniformly provided with a plurality of screw holes;
and the second angular guide hole penetrates through the middle part of the rectangular bottom plate and can only axially displace relative to the second angular guide section.
Further, the cross-sectional shapes of the second angular guide holes and the second angular guide sections are square.
Furthermore, the rectangular bottom plate is provided with a square second angular positioning boss towards one side of the support frame in a protruding mode in the middle, and the second angular guiding hole extends to penetrate through the middle of the second angular positioning boss.
Furthermore, a second central round hole in clearance fit with the second threaded section is arranged in the middle of the support frame, and supporting legs abutted to the fixing seat are symmetrically arranged on two sides of the second central round hole.
In another aspect, the present invention provides a method for mounting a sliding bearing, including the steps of:
aligning a boss of the casing at the mounting hole of the sliding bearing through a positioning sleeve to position the boss at a good angle, and fixing the fixed seat on the casing by using a second nut;
removing the first nut, sequentially detaching the baffle and the positioning sleeve, then installing the baffle into the sliding bearing again according to the previously positioned angle to determine the angular position of the sliding bearing, then screwing the first nut to press the baffle and the sliding bearing, wherein the first nut, the baffle and the sliding bearing are all positioned in the casing, and the third nut is positioned outside the casing;
screwing the third nut, and driving the sliding bearing to move and press the sliding bearing into the sliding bearing mounting hole by the mandrel;
when the depth of the press-in hole exceeds 1/2, the baffle plate is detached, and the first nut is screwed after the baffle plate is inverted for 180 degrees;
and continuing to rotate the third nut until the sliding bearing is completely pressed in.
The invention has the following beneficial effects:
the installation tool for the sliding bearing provided by the invention is provided with the mandrel, the baffle, the positioning sleeve, the first nut, the fixed seat, the supporting frame and the third nut to form the guide mechanism, the angular mechanism, the tool fixing mechanism and the force application mechanism, has a simple structure, solves the problems of difficult installation caused by insufficient space and angular installation of the sliding bearing in the prior art, meets the installation requirement, simplifies the tool structure, successfully realizes radial installation of the sliding bearing on the inner hole wall of the casing, is convenient to operate and meets the set installation precision.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a slide bearing installation tool assembly according to a preferred embodiment of the present invention; and
FIG. 2 is a schematic cross-sectional view of a baffle of a preferred embodiment of the present invention.
Fig. 3 is a front schematic view of a baffle plate according to a preferred embodiment of the invention.
FIG. 4 is a schematic cross-sectional view of a position sleeve of a preferred embodiment of the present invention.
FIG. 5 is a front view of a preferred embodiment of the alignment sleeve of the present invention.
Fig. 6 is a schematic view of a mandrel configuration according to a preferred embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view at B-B in fig. 6.
Fig. 8 is a schematic cross-sectional view at C-C in fig. 6.
Fig. 9 is a front view of the holder according to the preferred embodiment of the present invention.
Fig. 10 is a schematic sectional view of the fixing base of the preferred embodiment of the present invention.
Fig. 11 is a schematic cross-sectional view of a support stand according to a preferred embodiment of the present invention.
Fig. 12 is a front view of the support stand of the preferred embodiment of the present invention.
In the figure: 1. a first nut; 2. a first gasket; 3. a baffle plate; 31. a first angular guide hole; 32. a first angular positioning boss; 4. a positioning sleeve; 41. a first central circular aperture; 42. an angular positioning notch; 5. a mandrel; 51. a first thread segment; 52. a first angular guide section; 53. a first cylindrical section; 54. a second cylindrical section; 55. a second angular guide section; 56. a second thread segment; 6. a fixed seat; 61. screw holes; 62. a second angular guide hole; 63. a second angular positioning boss; 7. a second nut; 8. a support frame; 81. a second central circular aperture; 82. supporting legs; 9. a second gasket; 10. and a third nut.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, a preferred embodiment of the present invention provides a slide bearing installation tool including:
the mandrel 5 comprises a first thread section 51, a first angular guide section 52, a first cylindrical section 53, a second cylindrical section 54, a second angular guide section 55 and a second thread section 56 in sequence, as shown in fig. 6 to 8;
the baffle 3 is sleeved on the first angular guide section 52 of the mandrel 5 in a sliding fit manner and is used for limiting the angular position of the sliding bearing;
the positioning sleeve 4 is sleeved on the first cylindrical section 53 of the mandrel 5 in a clearance fit manner, one end of the positioning sleeve is abutted with the baffle 3, and the other end of the positioning sleeve is abutted with the shaft shoulder of the second cylindrical section 54 and is used for aligning the flattened part of the sliding bearing with the boss of the casing at the mounting hole of the sliding bearing in an angular direction;
the first nut 1 is arranged on the outer side of the baffle plate 3, is in threaded connection with the first threaded section 51 of the mandrel 5, and is used for limiting the axial positions of the baffle plate 3 and the positioning sleeve 4;
the fixed seat 6 is fixed at a flange of a sliding bearing mounting hole outside the casing through a second nut 7, and is sleeved on the second angular guide section 55 of the mandrel 5 in a sliding fit manner;
the support frame 8 is sleeved on the second thread section 56 of the mandrel 5 in a clearance fit manner and is abutted with the fixed seat 6;
and the third nut 10 is positioned on the outer side of the support frame 8 and is in threaded fit with the second threaded section 56 of the mandrel 5, and when the third nut 10 is screwed, the mandrel 5 is pulled to linearly move relative to the fixed seat 6 and the support frame 8 according to a set angle.
The mounting tool of slide bearing that this embodiment provided is through setting up dabber 5, baffle 3, position sleeve 4, first nut 1, fixing base 6, support frame 8, third nut 10 forms guiding mechanism, angular mechanism, instrument fixed establishment and application of force mechanism, moreover, the steam generator is simple in structure, operating personnel's application of force installation process can go on in the casket outside, the perfect narrow and small influence in space has been overcome, and simultaneously, utilize baffle 3, position sleeve 4's angular positioning effect, the problem of the installation difficulty that prior art leads to because of the space is not enough with slide bearing installation angle has been solved, the installation requirement has been satisfied, the tool structure has been simplified, successful realization the radial installation of slide bearing on the inner hole wall of the casket, and convenient for operation accords with the installation accuracy who sets for.
In the preferred embodiment of the invention, the first washer 2 and the second washer 9 are respectively arranged between the first nut 1 and the baffle plate 3 and between the support frame 8 and the third nut 10, so that the nut can be prevented from loosening, the direct abrasion to the baffle plate 3 and the support frame 8 when the nut is screwed is reduced, and the service life of the tool is prolonged.
As shown in fig. 2 and 3, in the preferred embodiment of the present invention, the baffle 3 is provided at the center with a first angular guiding hole 31 capable of being axially displaced only relative to the first angular guiding section 52, and at the edge with a first angular positioning boss 32 for limiting the angular position of the positioning sleeve 4.
In this embodiment, baffle 3 utilize first angle to bullport 31 with only can relative axial displacement between the first angle guide section 52, can not rotate relatively, and the edge of baffle 3 is provided with the restriction the first angle of 4 angular positions of position sleeve is to location boss 32 to restrain the angular position between position sleeve 4, baffle 3 and the dabber 5 three, after the angular position of position sleeve 4 settled down, the angular position of baffle 3 and dabber 5 had just settled down naturally, after the angular position of dabber 5 settled down, the angular position of fixing base 6 with it complex also can settle down, can make fixing base 6 fix on the machine casket with suitable angular position at last, make things convenient for the directional installation of follow-up slide bearing.
In the preferred embodiment of the present invention, the first angular guiding section 52 and the first angular guiding hole 31 have a square cross section, which is convenient for processing, and at the same time, the baffle 3 and the mandrel 5 can only move axially and cannot rotate relatively when being installed, thereby ensuring angular positioning during installation.
In the preferred embodiment of the present invention, as shown in fig. 4 and 5, the center of the positioning sleeve 4 is provided with a first central circular hole 41 which is in sliding fit with the first cylindrical section 53, two ends of the positioning sleeve are symmetrically provided with angular positioning notches 42 which are respectively matched with the first angular positioning boss 32 and a casing boss at the mounting hole of the sliding bearing, and the diameter of the first central circular hole 41 is consistent with the inner diameter of the sliding bearing.
In this embodiment, the center hole of the positioning sleeve 4 is in clearance fit with the first cylindrical section 53, i.e. can be axially displaced relatively, and can also be rotated relatively, so that the purpose of the present invention is to arrange the positioning sleeve 4 symmetrically with two ends thereof respectively provided with the angular positioning notches 42 respectively matched with the first angular positioning boss 32 and the casing boss at the sliding bearing mounting hole, after the angular positioning notch 42 at one end of the positioning sleeve 4 is aligned with the casing boss at the sliding bearing mounting hole, the position of the angular positioning notch 42 at the other end of the positioning sleeve 4 is determined, at the same time, only the first angular positioning boss 32 of the baffle plate 3 is matched with the angular positioning notch 42, the angular position of the baffle plate 3 can be determined, and the baffle plate 3 is angularly positioned with the first angular guiding section 52 through the first angular guiding hole 31, the angular positions of the mandrel 5 and the fixed seat 6 are indirectly determined, so that the directional installation of the follow-up sliding bearing is facilitated, in addition, the diameter of the first central circular hole 41 is consistent with the inner diameter of the sliding bearing, when the adjustment is finished in the follow-up installation process, and the positioning sleeve 4 is replaced by the sliding bearing, the angular position of the sliding bearing can be ensured to be consistent with the positioning sleeve 4, and the accuracy of the angular position of the follow-up sliding bearing is ensured.
As shown in fig. 9 and 10, in the preferred embodiment of the present invention, the fixing base 6 includes a rectangular bottom plate, and a plurality of screw holes 61 are uniformly formed at the edge of the rectangular bottom plate; the middle part of rectangle bottom plate run through be provided with second angle guide section 55 clearance fit's second angle guiding hole 62, second angle guiding hole 62 can only be relative second angle guide section 55 axial displacement can not be relative relatively to follow at dabber 5 edge second angle guiding hole 62 removes the in-process and only can relative axial displacement can not rotate relatively, ensures fixing base 6 and dabber 5 between the relative angular position, make things convenient for the directional installation of follow-up slide bearing.
In the preferred embodiment of the present invention, the cross-sectional shape of the second angular guide hole 62 and the second angular guide section 55 is square. The square section is convenient to process, and meanwhile, the fixed seat 6 and the mandrel 5 can only move axially relative to each other and cannot rotate relative to each other during installation, so that angular positioning in the installation process is ensured.
In the preferred embodiment of the present invention, as shown in fig. 11 and 12, a square second angular positioning boss 63 is convexly provided on one side of the rectangular bottom plate facing the support frame 8, and the second angular guide hole 62 extends through the middle of the second angular positioning boss 63. In the embodiment, the matching length of the second angular guide hole 62 and the second angular guide section 55 is prolonged, so that the stability of the fixed seat 6 and the mandrel 5 in relative axial movement is improved, the swinging is reduced, and the stability and the installation quality of the extrusion process of the sliding bearing are ensured.
In the preferred embodiment of the present invention, a second central circular hole 81 which is in clearance fit with the second threaded section 56 is arranged in the middle of the support frame 8, and support legs 82 which are abutted to the fixed seat 6 are symmetrically arranged on both sides of the second central circular hole 81. In this embodiment, the extrusion force applied by rotating the third nut 10 is directly transmitted to the fixed seat 6 through the supporting leg 82 of the supporting frame 8, since the fixed seat 6 is fixed on the casing, and the supporting frame 8 and the mandrel 5 can move relatively, when the third nut 10 is rotated, the fixed seat 6 and the supporting frame 8 are kept stationary, and the mandrel 5 moves relative to the fixed seat 6 and the supporting frame 8 in a direction away from the casing, so that the sliding bearing is directionally pressed into the sliding bearing mounting hole of the casing along with the moving direction of the mandrel 5.
In another aspect, the present invention provides a method for mounting a sliding bearing, including the steps of:
s1, aligning the locating sleeve 4 to a boss of the casing at the mounting hole of the sliding bearing to locate a good angular direction, and fixing the fixed seat 6 on the casing by using a second nut 7;
s2, removing the first nut 1, sequentially detaching the baffle 3 and the positioning sleeve 4, then installing the sliding bearing, then installing the baffle 3 again according to the previously positioned angle to determine the angular position of the sliding bearing, then screwing the first nut 1 to press the baffle 3 and the sliding bearing, wherein the first nut 1, the baffle 3 and the sliding bearing are all positioned in the casing, and the third nut 10 is positioned outside the casing;
s3, screwing the third nut 10, and driving the sliding bearing to move and press the sliding bearing into the sliding bearing mounting hole by the mandrel 5;
s4, along with the increase of the depth of the sliding bearing entering the hole of the casing, the first angle positioning boss 32 used for fixing the angle on the baffle 3 can touch the casing, therefore, when the depth of the pressed hole reaches 2/3, the baffle 3 is detached, and the first nut 1 is screwed after the baffle 3 is installed in a reverse rotation way by 180 degrees;
and S5, finally, continuing to rotate the third nut 10 until the sliding bearing is completely pressed in.
In the installation method of the sliding bearing of the embodiment, the baffle 3 and the positioning sleeve 4 are firstly utilized to position the angular position of the whole installation tool, and the fixed seat 6 is fixed on the screw on the outer wall of the casing, so that the angular position of the sliding bearing is locked; then replacing the positioning sleeve 4 with a sliding bearing to be installed, and at the moment, realizing the angular positioning of the sliding bearing by mutually embedding the first angular positioning boss 32 of the baffle 3 with the determined angular position and the flattened part of the sliding bearing; finally, the third nut 10 is screwed outside the casing, so that the sliding bearing can be conveniently pressed into the sliding bearing mounting hole. Of course, in order to avoid the first angular positioning boss 32 for positioning the angle on the baffle plate 3 from hitting the casing during the continuous extrusion, in the embodiment, when the depth of the press-in hole reaches 2/3, the baffle plate 3 is detached, the first nut 1 is screwed after being installed in a reversed way by 180 degrees, at this time, the first angular positioning boss 32 of the baffle plate 3 faces away from the sliding bearing, and the sliding bearing does not hit the casing before being completely pressed in, so that the sliding bearing is ensured to be pressed in place. Whole operation process is simple, convenient, except that baffle 3 and position sleeve 4 and slide bearing are located the machine casket inboard, other all are located the machine casket outside like fixing base 6, support frame 8, third nut 10 etc. operating personnel can be outside the machine casket through instrument rotating third nut 10 can conveniently with slide bearing impresses in the slide bearing mounting hole, do not receive the narrow and small influence of machine casket inner space, homoenergetic high efficiency accomplishes the installation to slide bearing, successful realization the radial installation of slide bearing on the pore wall in the machine casket, convenient operation accords with the installation accuracy of settlement, reduces the installation degree of difficulty and cost, has very high practical application and worth.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A slide bearing installation tool comprising:
the mandrel (5), the mandrel (5) comprises a first thread section (51), a first angular guide section (52), a first cylindrical section (53), a second cylindrical section (54), a second angular guide section (55) and a second thread section (56) in sequence;
the baffle (3) is sleeved on the first angular guide section (52) of the mandrel (5) in a sliding fit manner and is used for limiting the angular position of the sliding bearing;
the positioning sleeve (4) is sleeved on the first cylindrical section (53) of the mandrel (5) in a clearance fit manner, one end of the positioning sleeve is abutted with the baffle (3), and the other end of the positioning sleeve is abutted with a shaft shoulder of the second cylindrical section (54) and is used for aligning the flat-cut part of the sliding bearing with the boss of the case at the mounting hole of the sliding bearing in an angular direction;
the first nut (1) is arranged on the outer side of the baffle (3), is in threaded connection with the first threaded section (51) of the mandrel (5) and is used for limiting the axial positions of the baffle (3) and the positioning sleeve (4);
the fixed seat (6) is fixed at a flange of a sliding bearing mounting hole outside the casing through a second nut (7) and is sleeved on the second angular guide section (55) of the mandrel (5) in a sliding fit manner;
the support frame (8) is sleeved on the second thread section (56) of the mandrel (5) in a clearance fit manner and is abutted with the fixed seat (6);
the third nut (10) is positioned on the outer side of the support frame (8) and is in threaded fit with the second threaded section (56) of the mandrel (5), and when the third nut (10) is screwed, the mandrel (5) is pulled to linearly move relative to the fixed seat (6) and the support frame (8) according to a set angle;
the center of baffle (3) is provided with only can be relative first angular direction guide hole (31) of first angular direction guide section (52) axial displacement, and the edge is provided with the restriction first angular direction location boss (32) of position sleeve (4) angular position.
2. The setting tool for plain bearings according to claim 1, characterized in that a first washer (2) and a second washer (9) are arranged between the first nut (1) and the apron (3) and between the support (8) and the third nut (10), respectively.
3. Installation tool for a plain bearing according to claim 1, characterized in that the first angular guide section (52), the first angular guide hole (31) has a square cross-sectional shape.
4. The mounting tool for a plain bearing according to claim 1, characterized in that the center of the locating sleeve (4) is provided with a first central circular hole (41) which is in clearance fit with the first cylindrical section (53), and two ends of the locating sleeve are symmetrically provided with angular locating notches (42) which are respectively matched with the first angular locating boss (32) and a casing boss at the mounting hole of the plain bearing, and the diameter of the first central circular hole (41) is consistent with the inner diameter of the plain bearing.
5. Installation tool for a plain bearing according to claim 1, characterized in that the holder (6) comprises:
the edge of the rectangular bottom plate is uniformly provided with a plurality of screw holes (61);
and the second angular guide hole (62) penetrates through the middle part of the rectangular base plate and can only axially displace relative to the second angular guide section (55).
6. Installation tool for a plain bearing according to claim 5, characterized in that the cross-sectional shape of the second angular guiding hole (62), second angular guiding section (55) is square.
7. The mounting tool for a plain bearing according to claim 5, characterized in that the rectangular base plate is provided with a square second angular positioning boss (63) projecting centrally towards the side of the support frame (8), the second angular guide hole (62) extending through the middle of the second angular positioning boss (63).
8. The mounting tool for the sliding bearing according to claim 1, characterized in that a second central circular hole (81) which is in clearance fit with the second threaded section (56) is arranged in the middle of the supporting frame (8), and supporting legs (82) which are abutted to the fixed seat (6) are symmetrically arranged on two sides of the second central circular hole (81).
9. A method of installing a plain bearing, comprising the steps of:
the positioning sleeve (4) is aligned to a boss of the casing at the mounting hole of the sliding bearing to position an angle, and then the second nut (7) is utilized to fix the fixed seat (6) on the casing; the first nut (1) is disassembled, the baffle (3) and the positioning sleeve (4) are disassembled in sequence, then the sliding bearing is installed, then the baffle (3) is installed again according to the previously positioned angle to determine the angular position of the sliding bearing, then the first nut (1) is screwed to press the baffle (3) and the sliding bearing, at the moment, the first nut (1), the baffle (3) and the sliding bearing are all positioned in the casing, and the third nut (10) is positioned outside the casing;
screwing the third nut (10), and driving the sliding bearing to move and press the sliding bearing into the sliding bearing mounting hole by the mandrel (5);
when the depth of the pressed hole exceeds 1/2, the baffle plate (3) is detached, and the first nut (1) is screwed after the rotation is reversed by 180 degrees;
the third nut (10) is continued to be rotated until the sliding bearing is completely pressed in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010471302.2A CN111775109B (en) | 2020-05-29 | 2020-05-29 | Mounting tool and method for sliding bearing |
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| CN202010471302.2A CN111775109B (en) | 2020-05-29 | 2020-05-29 | Mounting tool and method for sliding bearing |
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| JP2001280338A (en) * | 2000-03-31 | 2001-10-10 | Sankyo Seiki Mfg Co Ltd | Bearing member, device and method for manufacturing bearing member, and working tool for the same |
| CN101979286A (en) * | 2010-09-28 | 2011-02-23 | 沈阳矿山机械有限公司 | Composite tensioning device |
| CN102615622A (en) * | 2012-03-02 | 2012-08-01 | 西安昆仑工业（集团）有限责任公司 | Sliding bearing press-in tool auxiliary device |
| JP5923397B2 (en) * | 2012-06-29 | 2016-05-24 | 株式会社ショーワ | Seat damper |
| CN202971563U (en) * | 2012-10-30 | 2013-06-05 | 瓦房店福斯特轴承科技开发有限公司 | Four-row cylindrical roller bearing based on assembly chamfering angle at outer ring |
| CN206140399U (en) * | 2016-10-14 | 2017-05-03 | 宁波威克斯液压有限公司 | High accuracy slide bearing adorns depressor |
| CN106737385B (en) * | 2016-12-21 | 2018-05-08 | 中国南方航空工业(集团)有限公司 | A kind of bearing assembly method |
| CN106737390B (en) * | 2017-01-23 | 2019-08-23 | 中国航发沈阳发动机研究所 | A kind of casing calotte disassembling fixture |
| CN207746987U (en) * | 2017-12-04 | 2018-08-21 | 中国航发南方工业有限公司 | For penetrating through the bearing Mounting device in deep hole |
| CN208132855U (en) * | 2018-04-18 | 2018-11-23 | 苏州铼洛威液压泵有限公司 | Sliding bearing press-loading apparatus |
| CN109648288B (en) * | 2018-12-18 | 2021-03-12 | 中国航发沈阳发动机研究所 | Aeroengine low pressure turbine installation device |
| CN111015153B (en) * | 2019-11-22 | 2022-05-27 | 中国航发西安动力控制科技有限公司 | Method and device for assembling multiple shaft parts with angular requirements in deep hole |
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