CN113753740B - Device and method for centering knuckle bearing inner ring Kong Diaozhuang mandrel - Google Patents
Device and method for centering knuckle bearing inner ring Kong Diaozhuang mandrel Download PDFInfo
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- CN113753740B CN113753740B CN202111119270.0A CN202111119270A CN113753740B CN 113753740 B CN113753740 B CN 113753740B CN 202111119270 A CN202111119270 A CN 202111119270A CN 113753740 B CN113753740 B CN 113753740B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a device and a method for a spindle of an inner ring Kong Diaozhuang of a radial spherical plain bearing, belonging to the technical field of installation of spindle holes of the inner ring of the radial spherical plain bearing, wherein the device comprises a spindle body, a spindle head, a spindle body, a spindle head and a spindle body; an apparatus for centering a spherical plain bearing inner race Kong Diaozhuang mandrel and a method thereof, comprising: the upper end of the base is provided with a round groove, and the inner wall of the round groove is connected with two first sliding blocks in a sliding way; the joint shaft is arranged on the upper side of the base, and the inner wall of the circumference of the joint shaft is connected with an inner shaft in a sliding manner; the micro-expansion mechanism is arranged in the inner shaft to realize the function of micro-expanding the inner diameter of the inner shaft; the fastening mechanism is fixedly connected with the two second sliding blocks so as to realize that the two second sliding blocks slide on the inner wall of the second sliding groove; the method aims at solving the problems that the axis of the bearing inner ring hole shaft and the axis of the mandrel part are inclined when the mandrel part is installed in the prior art, so that the installation is more difficult.
Description
Technical Field
The invention belongs to the technical field of installation of a mandrel of a hole of an inner ring of a radial spherical plain bearing, and particularly relates to a device and a method for installing the mandrel of the inner ring Kong Diaozhuang of the radial spherical plain bearing.
Background
The joint bearing is a spherical sliding bearing, its sliding contact surface is an inner spherical surface and an outer spherical surface, and can be rotated and swung at any angle during movement, and it adopts several special technological processes of surface phosphating, hole-frying, insert-packing and spray-coating, etc. it has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning and good lubrication, etc. the structure of the joint bearing is simpler than that of rolling bearing, and it is mainly formed from an inner ring with outer spherical surface and an outer ring with inner spherical surface, and the joint bearing is generally used for swinging movement (i.e. angular movement) with lower speed, and because the sliding surface is spherical, it can also be made into tilting movement (i.e. aligning movement) within a certain angle range, and can still normally work when the bearing axle and axle housing hole are different in concentricity.
Because the shaft surface of the mandrel part is in micro interference fit with the hole of the inner ring of the bearing, the pressing force is relatively large, the installation efficiency is low by the aid of lifting force and knocking vibration, the joint bearing is easily damaged by the knocking vibration, the service life of the mechanism is shortened, and the phenomenon that the axis of the hole shaft of the inner ring of the bearing and the axis of the mandrel part are obliquely crossed when the mandrel part is installed can occur due to the universal property of the inner ring shaft of the joint bearing, so that the installation is more difficult.
Disclosure of Invention
The invention aims to provide a device and a method for centering a spherical plain bearing inner ring Kong Diaozhuang mandrel, which aim to solve the problem that the oblique intersection of the axis of a bearing inner ring hole shaft and the axis of a mandrel part can occur when the mandrel part is installed in the prior art, so that the installation is more difficult.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an apparatus and method for centering a spherical plain bearing inner race Kong Diaozhuang mandrel, comprising:
The device comprises a base, wherein a round groove is cut at the upper end of the base, and two first sliding blocks are connected with the inner wall of the round groove in a sliding manner;
The joint shaft is arranged on the upper side of the base, and the inner wall of the circumference of the joint shaft is connected with an inner shaft in a sliding manner;
The fixing mechanism is fixedly connected with the two first sliding blocks, the fixing mechanism comprises a second sliding groove, a fixing block, a first sliding groove, two fixing columns, two screw rods, two nuts, two clamping blocks and two second sliding blocks, the second sliding groove is cut at the upper end of the base, the two second sliding blocks are all slidingly connected to the inner wall of the second sliding groove, the two fixing columns are respectively and fixedly connected to the upper ends of the two first sliding blocks, the fixing block is fixedly connected to the upper ends of the two fixing columns, the first sliding groove is cut at the lower end of the fixing block, and the two screw rods are all movably penetrated through the inner wall of the first sliding groove and extend downwards;
The micro-expansion mechanism is arranged in the inner shaft to realize the function of micro-expanding the inner diameter of the inner shaft; and
The fastening mechanism is fixedly connected with the two second sliding blocks so as to enable the two second sliding blocks to slide on the inner wall of the second sliding groove.
As a preferable scheme of the invention, the micro-expanding mechanism comprises a first movable block, a first inclined groove, a limiting block, a second movable block, a movable groove, a spring, a second inclined groove, a top ring, an extending block and a plurality of top blocks, wherein the screw is slidably connected to the inner wall of the first chute, the first movable block is in threaded connection with the threaded surface of the screw, the first inclined groove is cut out of the circumferential surface of the first movable block, the limiting block is fixedly connected to the lower end of the first movable block, the second movable block is arranged on the lower side of the first movable block, the movable groove is cut out of the upper end of the second movable block, the limiting block is movably clamped to the inner wall of the second movable block, the second inclined groove is cut out of the circumferential surface of the second movable block, the spring is sleeved at the movable connection position of the first movable block and the second movable block, the top blocks are sleeved on the circumferential surface of the spring, and the top ring is fixedly connected to the circumferential surfaces of the top blocks and is attached to the circumferential inner wall of the inner shaft.
As a preferable scheme of the invention, the fastening mechanism comprises a hinge shaft block, a rotary table, a through pipe, a telescopic motor, an annular groove and two connecting rods, wherein one ends of the two connecting rods, which are far away from each other, are respectively connected with the lower ends of the two second sliding blocks in a rotary mode, the annular groove is cut at the lower end of the base, the through pipe is fixedly connected with the upper inner wall of the annular groove, the rotary table is rotationally connected with the circumferential surface of the through pipe, the adjacent ends of the two connecting rods are respectively rotationally connected with the two ends of the rotary table, the telescopic motor is fixedly connected with the circumferential surface of the through pipe, and the hinge shaft block is movably hinged with an output shaft of the telescopic motor and is fixedly connected with the lower end of any second sliding block.
As a preferable scheme of the invention, the two clamping blocks are respectively and fixedly connected to the lower ends of the two screws.
As a preferable scheme of the invention, the close ends of the two second sliding blocks are attached to the lower end of the inner shaft.
As a preferred embodiment of the present invention, the first movable block is in communication with the second movable block pipe.
As a preferable embodiment of the present invention, the first inclined groove and the second inclined groove are symmetrically arranged.
As a preferable scheme of the invention, the inner circumferential walls of the first movable block and the second movable block are respectively provided with internal threads.
As a preferred embodiment of the present invention, the inner diameter of the through tube is larger than the inner diameter of the inner shaft.
As a preferable scheme of the invention, the bulges arranged at the adjacent ends of the two clamping blocks are respectively attached to the intermittence of the joint shaft and the inner shaft.
As a preferable mode of the invention, the extension block is fixedly connected to the lower end of the second movable block.
As a preferred embodiment of the present invention, two nuts are screwed to the threaded surfaces of the two screws, respectively.
As a preferable scheme of the invention, washers are arranged at the close ends of the two second sliding blocks.
As a preferable mode of the invention, the second sliding groove is positioned on the inner side of the round groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the fixing mechanism fixes the inner shaft which is not easy to fix in the joint shaft, the installation process does not need to be knocked, the installation of the mandrel can be realized rapidly by rotating the screw rod, the efficiency is high, and the mechanism is not damaged.
2. According to the invention, the micro-expanding mechanism is connected with the first movable block and the second movable block in a clamped manner, and then the first movable block and the second movable block are in a special structure, so that the distance between the first movable block and the second movable block can be long or short, then the plurality of springs are displaced to expand or shrink the diameter of the top ring, and the mechanism slightly expands the inner diameter of the inner shaft to enable the mandrel to pass through the inner wall of the inner shaft without affecting the original function of the inner shaft.
3. In the invention, the fastening mechanism is started after the mandrel just passes through the inner wall of the inner shaft, and the lower end of the inner shaft is fastened, so that the mandrel is in interference fit with the inner shaft, the inner diameter of the inner shaft is ensured not to deform too much, and the functionality of the inner shaft is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a first exploded view of the present invention;
FIG. 4 is a second exploded view of the present invention;
FIG. 5 is a cross-sectional view of a fastening mechanism according to the present invention;
FIG. 6 is a cross-sectional view of a micro-expanding mechanism according to the present invention;
FIG. 7 is an exploded view of a micro-expanding mechanism according to the present invention;
fig. 8 is an exploded view of the fixing mechanism in the present invention.
In the figure: 1. a base; 2. a circular groove; 3. a first slider; 4. fixing the column; 5. a fixed block; 6. a first chute; 7. a screw; 8. a nut; 9. a clamping block; 10. a joint shaft; 1001. a first movable block; 1002. a first inclined groove; 1003. a limiting block; 1004. a second movable block; 1005. a movable groove; 1006. a spring; 1007. a top block; 1008. a second inclined groove; 1009. a top ring; 1010. an extension block; 11. An inner shaft; 12. a second chute; 13. a second slider; 1301. a gasket; 14. a hinge shaft block; 15. a connecting rod; 16. a turntable; 17. a tube is communicated; 18. a telescopic motor; 19. an annular groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8, the present invention provides the following technical solutions:
an apparatus and method for centering a spherical plain bearing inner race Kong Diaozhuang mandrel, comprising:
The base 1, the upper end of the base 1 is cut with a round groove 2, the inner wall of the round groove 2 is connected with two first sliding blocks 3 in a sliding way;
the joint shaft 10, the joint shaft 10 is set up in the upper side of the base 1, the circumference inner wall of the joint shaft 10 slidably connects with the inner shaft 11;
The fixing mechanism is fixedly connected with the two first sliding blocks 3 and comprises a second sliding groove 12, a fixing block 5, a first sliding groove 6, two fixing columns 4, two screw rods 7, two nuts 8, two clamping blocks 9 and two second sliding blocks 13, wherein the second sliding groove 12 is cut at the upper end of the base 1, the two second sliding blocks 13 are both in sliding connection with the inner wall of the second sliding groove 12, the two fixing columns 4 are respectively and fixedly connected with the upper ends of the two first sliding blocks 3, the fixing block 5 is fixedly connected with the upper ends of the two fixing columns 4, the first sliding groove 6 is cut at the lower end of the fixing block 5, the two screw rods 7 are all movably penetrated through the inner wall of the first sliding groove 6 and extend downwards, the two clamping blocks 9 are respectively and fixedly connected with the lower ends of the two screw rods 7, and the two nuts 8 are respectively and threadedly connected with the threaded surfaces of the two screw rods 7;
the micro-expansion mechanism is arranged inside the inner shaft 11 to realize the function of micro-expanding the inner diameter of the inner shaft 11; and
The fastening mechanism is fixedly connected with the two second sliding blocks 13 so as to enable the two second sliding blocks 13 to slide on the inner wall of the second sliding groove 12.
In the specific embodiment of the invention, the fixing mechanism can adjust the position of the fixing mechanism by matching with the round groove 2, the fixing mechanism can adjust the separation distance of the two clamping blocks 9 according to the joint shaft 10 which is required to be processed, the two screw rods 7 can be firmly locked in the inner wall of the first chute 6 cut at the upper end of the fixing block 5 by matching with the two nuts 8, the special structure arranged at the close end of the two clamping blocks 9 can tightly clamp the two clamping blocks 9 at the gap between the joint shaft 10 and the inner shaft 11, so that the opening of the inner shaft 11 is vertical upwards, the subsequent mandrel is convenient to install, the joint shaft 10 with any caliber smaller than the inner diameter of the round groove 2 can be circularly used, the easily and quickly fixed inner shaft 11 which is easy to slide can be conveniently and quickly fixed, and the production efficiency is improved.
Referring to fig. 6 and 7, the micro-expanding mechanism includes a first movable block 1001, a first inclined groove 1002, and a limiting block
1003. The second movable block 1004, the movable groove 1005, the spring 1006, the second inclined groove 1008, the top ring 1009, the extension block 1010 and a plurality of top blocks 1007, screw rod 7 sliding connection is in the inner wall of first spout 6, first movable block 1001 threaded connection is in the spiral surface of screw rod 7, first inclined groove 1002 cuts in the circumference surface of first movable block 1001, stopper 1003 fixed connection is in the lower extreme of first movable block 1001, the second movable block 1004 sets up in the downside of first movable block 1001, the movable groove 1005 cuts in the upper end of second movable block 1004, stopper 1003 movable joint is in the inner wall of second movable block 1004, the second inclined groove 1008 cuts in the circumference surface of second movable block 1004, the spring 1006 is located the movable junction of first movable block 1001 and second movable block 1004, a plurality of top blocks 1007 all overlap the circumference surface of spring 1006, top ring 1009 fixed connection is in the circumference surface of a plurality of top blocks 1007 and laminating the circumference inner wall of inner shaft 11, the extension block 1010 fixed connection is in the lower extreme of second movable block 1004.
In this embodiment: the micro-expanding mechanism is connected with the first movable block 1001 and the second movable block 1004 in a movable clamping manner, and then through the special structures of the first inclined groove 1002 and the second inclined groove 1008, the distance between the first movable block 1001 and the second movable block 1004 can expand or reduce the spring 1006, and then the plurality of springs 1006 displace to expand or reduce the diameter of the top ring 1009.
Referring to fig. 5 and 8 specifically, the fastening mechanism includes a hinge block 14, a turntable 16, a through pipe 17, a telescopic motor 18, an annular groove 19, and two connecting rods 15, where one end of each connecting rod 15 far away from each other is connected to the lower ends of two second sliders 13 in a rotating manner, the annular groove 19 is cut at the lower end of the base 1, the through pipe 17 is fixedly connected to the upper inner wall of the annular groove 19, the turntable 16 is connected to the circumferential surface of the through pipe 17 in a rotating manner, the ends of the two connecting rods 15 close to each other are connected to two ends of the turntable 16 in a rotating manner, the telescopic motor 18 is fixedly connected to the circumferential surface of the through pipe 17, the hinge block 14 is movably hinged to the output shaft of the telescopic motor 18 and is fixedly connected to the lower end of any second slider 13, the telescopic motor 18 can be selected according to actual requirements, for example, the model is YY5034, the telescopic motor 18 is electrically connected to an external power source, and the telescopic motor 18 is a prior art.
In this embodiment: the fastening mechanism stretches out and draws back motor 18 after the dabber just passes the inner wall of interior axle 11, the output shaft of flexible motor 18 drives hinge piece 14 and removes, and hinge piece 14 drives the inner wall of one of them second slider 13 at second spout 12 and removes, because two second sliders 13 rotate through two connecting rods 15 respectively and connect the both ends at carousel 16, consequently make two second sliders 13 move to being close to the end mutually to make two second sliders 13 press from both sides the lower extreme of interior axle 11 tightly, thereby with dabber and interior axle 11 interference fit, guaranteed that the internal diameter of interior axle 11 can not deformation too much, ensured the functionality of interior axle 11.
Referring to fig. 6 and 8, the protrusions of the two clamping blocks 9 near the ends are fit with the interval between the joint shaft 10 and the inner shaft 11.
In this embodiment: the bulges arranged at the close ends of the two clamping blocks 9 are respectively attached to the intermittence of the joint shaft 10 and the inner shaft 11, so that the inner shaft 11 can be vertically fixed upwards, cannot easily slide, and ensures that the subsequent mandrel is smoothly installed.
Referring to fig. 3 and 8, the close ends of the two second sliding blocks 13 are attached to the lower end of the inner shaft 11, and washers 1301 are disposed at the close ends of the two second sliding blocks 13.
In this embodiment: the two second sliding blocks 13 are tightly attached to the lower end of the inner shaft 11, so that after the mandrel passes through the inner wall of the inner shaft 11, the inner diameter of the inner shaft 11 can be further clamped to enable interference fit connection to be more tight, and the two washers 1301 are arranged to enable the inner shaft 11 not to be damaged in the clamping process.
Referring specifically to fig. 4 and 5, the first movable block 1001 is in pipeline communication with the second movable block 1004.
In this embodiment: the first movable block 1001 is in pipeline communication with the second movable block 1004, so that the screw rod 7 can be screwed in
At the second movable block 1004, the second movable block 1004 may be mounted inside the inner shaft 11 together with the first movable block 1001. Referring specifically to fig. 5 and 6, the first inclined groove 1002 and the second inclined groove 1008 are symmetrically disposed.
In this embodiment: the first inclined groove 1002 and the second inclined groove 1008 are symmetrically arranged, and the diameter of the spring 1006 can be determined by the distance between the first inclined groove 1002 and the second inclined groove 1008.
Referring to fig. 4 and 5, the inner walls of the first movable block 1001 and the second movable block 1004 are provided with internal threads.
In this embodiment: the inner walls of the circumferences of the first movable block 1001 and the second movable block 1004 are provided with internal threads, so that the screw 7 can screw the inner walls of the first movable block 1001 and the second movable block 1004.
Referring specifically to fig. 7 and 3, the inner diameter of the tube 17 is larger than the inner diameter of the inner shaft 11.
In this embodiment: the inner diameter of the through pipe 17 is larger than that of the inner shaft 11, so that the mandrel can penetrate through the inside of the through pipe 17 and be connected with the lower end of the second movable block 1004 in a threaded manner.
Referring specifically to fig. 4 and 5, the second chute 12 is located inside the circular groove 2.
The working principle and the using flow of the invention are as follows: the joint shaft 10 is placed at the center of the two second sliding blocks 13, the positions of the fixed blocks 5 are adjusted through the two fixed columns 4, the two screw rods 7 slide in the inner wall of the first sliding groove 6, the two clamping blocks 9 are clamped on the circumferential surface of the joint shaft 10, the inner shaft 11 is vertically clamped upwards through special grooves formed in the adjacent ends of the two clamping blocks 9, then the two nuts 8 are rotated to firmly press the two clamping blocks 9 on the upper ends of the two second sliding blocks 13, the screw rods 7 are screwed into the circumferential inner walls of the first movable block 1001 and the second movable block 1004 to the positions of the second movable block 1004, the micro-expanding mechanism is vertically placed in the inner wall of the inner shaft 11, then a mandrel to be installed is installed on the threaded inner wall of the extension block 1010 through the inner wall threads of the through pipe 17, the threaded inner wall of the screw rod 7 is screwed out of the threaded inner wall of the second movable block 1004 to be only connected with the inner wall of the first movable block 1001 through threads, the mandrel is pressed against the mandrel to fix the mandrel, the screw rod 7 is pressed downwards, the first movable block 1001 moves downwards, the first inclined groove 1002 and the second inclined groove 1008 keep an angle and are close to each other, the inner diameter of the spring 1006 can be enlarged, the top ring 1009 can be outwards expanded through a plurality of top blocks 1007 sleeved on the spring 1006, the inner diameter of the inner shaft 11 can be slightly expanded, the screw rod 7 is lifted upwards, the first movable block 1001 and the second movable block 1004 are movably clamped with each other through the limiting block 1003, the second movable block 1004 also lifts upwards along with the screw rod 7, the top ring 1009 and the mandrel also ascend along with each other, when the mandrel is clamped on the inner wall of the inner shaft 11, the telescopic motor 18 is started, the output shaft of the telescopic motor 18 drives the hinge shaft block 14 to move, the hinge shaft block 14 drives one of the second sliding blocks 13 to move on the inner wall of the second sliding groove 12, as the two second sliding blocks 13 are respectively connected to the two ends of the turntable 16 through two connecting rods 15 in a rotating way, therefore, the two second sliding blocks 13 move towards the adjacent ends, so that the two second sliding blocks 13 clamp the lower end of the inner shaft 11, the screw rod 7 is lifted upwards, the mandrel is tightly matched with the inner wall of the inner shaft 11 to be lifted upwards, and finally the mandrel passes through the upper end of the inner shaft 11, and all the installation is completed.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The device of a radial spherical plain bearing inner race Kong Diaozhuang dabber, its characterized in that: comprising the following steps:
The device comprises a base (1), wherein a round groove (2) is cut at the upper end of the base (1), and two first sliding blocks (3) are connected to the inner wall of the round groove (2) in a sliding manner;
the joint shaft (10) is arranged on the upper side of the base (1), and the inner wall of the circumference of the joint shaft (10) is connected with the inner shaft (11) in a sliding manner;
The fixing mechanism is fixedly connected with the two first sliding blocks (3), the fixing mechanism comprises a second sliding groove (12), a fixing block (5), a first sliding groove (6), two fixing columns (4), two screw rods (7), two nuts (8), two clamping blocks (9) and two second sliding blocks (13), the second sliding groove (12) is cut at the upper end of the base (1), the two second sliding blocks (13) are both in sliding connection with the inner wall of the second sliding groove (12), the two fixing columns (4) are respectively and fixedly connected with the upper ends of the two first sliding blocks (3), the fixing block (5) is fixedly connected with the upper ends of the two fixing columns (4), the first sliding groove (6) is cut at the lower end of the fixing block (5), and the two screw rods (7) are both movably penetrated through the inner wall of the first sliding groove (6) and extend downwards;
The micro-expansion mechanism is arranged in the inner shaft (11) to realize the function of micro-expanding the inner diameter of the inner shaft (11); and
The fastening mechanism is fixedly connected with the two second sliding blocks (13) so as to enable the two second sliding blocks (13) to slide on the inner wall of the second sliding groove (12);
The micro-expanding mechanism comprises a first movable block (1001), a first inclined groove (1002), a limiting block (1003), a second movable block (1004), a movable groove (1005), a spring (1006), a second inclined groove (1008), a top ring (1009), an extending block (1010) and a plurality of top blocks (1007), wherein the screw (7) is connected to the inner wall of the first chute (6) in a sliding manner, the first movable block (1001) is connected to the threaded surface of the screw (7) in a threaded manner, the first inclined groove (1002) is cut on the circumferential surface of the first movable block (1001), the limiting block (1003) is fixedly connected to the lower end of the first movable block (1001), the second movable block (1004) is arranged on the lower side of the first movable block (1001), the movable groove (1005) is cut on the upper end of the second movable block (1004), the limiting block (1003) is clamped to the inner wall of the second movable block (1004) in a sliding manner, the second inclined groove (1008) is cut on the circumferential surface of the second movable block (1004), the first movable block (1003) is fixedly connected to the lower end of the first movable block (1001) in a sliding manner, the second movable block (1006) is arranged on the circumferential surface of the second movable block (1006) in a sliding manner, the first movable block (1006) is connected to the upper part of the movable block (1006) in a sliding manner, the top ring (1009) is fixedly connected to the circumferential surfaces of the plurality of top blocks (1007) and is attached to the circumferential inner wall of the inner shaft (11);
The fastening mechanism comprises a hinge shaft block (14), a rotary table (16), a through pipe (17), a telescopic motor (18), an annular groove (19) and two connecting rods (15), wherein one ends of the two connecting rods (15) are away from each other and are respectively connected with the lower ends of the two second sliding blocks (13) in a rotating mode, the annular groove (19) is cut at the lower end of the base (1), the through pipe (17) is fixedly connected with the upper inner wall of the annular groove (19), the rotary table (16) is rotationally connected with the circumferential surface of the through pipe (17), the two adjacent ends of the two connecting rods (15) are respectively rotationally connected with the two ends of the rotary table (16), the telescopic motor (18) is fixedly connected with the circumferential surface of the through pipe (17), and the hinge shaft block (14) is movably hinged to the output shaft of the telescopic motor (18) and is fixedly connected with the lower end of any second sliding block (13).
2. A device for centering a spherical plain bearing inner race Kong Diaozhuang mandrel as described in claim 1, wherein: the two clamping blocks (9) are respectively and fixedly connected to the lower ends of the two screws (7).
3. A device for centering a spherical plain bearing inner race Kong Diaozhuang mandrel as claimed in claim 2, wherein: the close ends of the two second sliding blocks (13) are respectively attached to the lower end of the inner shaft (11).
4. A device for centering an inner race Kong Diaozhuang mandrel as claimed in claim 3, wherein: the first movable block (1001) is in pipeline communication with the second movable block (1004).
5. A device for centering an inner ring Kong Diaozhuang mandrel as claimed in claim 4, wherein: the first inclined groove (1002) and the second inclined groove (1008) are symmetrically arranged.
6. A device for centering an inner race Kong Diaozhuang mandrel as described in claim 5, wherein: internal threads are arranged on the inner circumferential walls of the first movable block (1001) and the second movable block (1004).
7. A device for centering an inner race Kong Diaozhuang mandrel as described in claim 6, wherein: the inner diameter of the through pipe (17) is larger than the inner diameter of the inner shaft (11).
8. A method of using the device for centering an inner ring Kong Diaozhuang mandrel of a spherical plain bearing, characterized in that the device for centering an inner ring Kong Diaozhuang mandrel of a spherical plain bearing according to any one of claims 1 to 7 is used, comprising the steps of:
S1, placing a joint shaft (10) at the central positions of two second sliding blocks (13), adjusting the positions of fixed blocks (5) through two fixed columns (4), sliding two screw rods (7) in the inner wall of a first sliding groove (6), clamping two clamping blocks (9) on the circumferential surface of the joint shaft (10), vertically clamping an inner shaft (11) upwards through a special groove arranged at the close end of the two clamping blocks (9), and then rotating two nuts (8) to firmly press the two clamping blocks (9) on the upper ends of the two second sliding blocks (13);
S2, screwing a screw rod (7) into the circumferential inner walls of the first movable block (1001) and the second movable block (1004) to the position of the second movable block (1004), vertically placing the micro-expansion mechanism into the inner wall of the inner shaft (11), then installing a core shaft to be installed on the threaded inner wall of the extension block (1010) through the inner wall threads of the through pipe (17), screwing the screw rod (7) out of the threaded inner wall of the second movable block (1004) to be only connected with the inner wall of the first movable block (1001) through threads, and propping against the core shaft to fix the core shaft;
S3, pressing down the screw rod (7), wherein the first movable block (1001) moves downwards, the first inclined groove (1002) and the second inclined groove (1008) keep an angle and are close to each other, the inner diameter of the spring (1006) can be enlarged, and then the top ring (1009) can be outwards expanded through a plurality of top blocks (1007) sleeved on the spring (1006), so that the inner diameter of the inner shaft (11) can be slightly expanded;
S4, lifting the screw rod (7) upwards, wherein the first movable block (1001) and the second movable block (1004) are movably clamped through the limiting block (1003), the second movable block (1004) is lifted upwards along with the screw rod (7), the top ring (1009) and the mandrel are lifted along with the second movable block, after the mandrel is clamped on the inner wall of the inner shaft (11), the telescopic motor (18) is started, the output shaft of the telescopic motor (18) drives the hinge shaft block (14) to move, the hinge shaft block (14) drives one of the second sliding blocks (13) to move on the inner wall of the second sliding groove (12), and the two second sliding blocks (13) are respectively connected to the two ends of the rotary table (16) in a rotating mode through the two connecting rods (15), so that the two second sliding blocks (13) move towards the adjacent ends, and the lower ends of the inner shaft (11) are clamped by the two second sliding blocks (13);
S5, lifting the screw rod (7) upwards, tightly matching the mandrel with the inner wall of the inner shaft (11), and finally penetrating through the upper end of the inner shaft (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119270.0A CN113753740B (en) | 2021-09-24 | 2021-09-24 | Device and method for centering knuckle bearing inner ring Kong Diaozhuang mandrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119270.0A CN113753740B (en) | 2021-09-24 | 2021-09-24 | Device and method for centering knuckle bearing inner ring Kong Diaozhuang mandrel |
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| CN113753740A CN113753740A (en) | 2021-12-07 |
| CN113753740B true CN113753740B (en) | 2024-06-11 |
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| CN202111119270.0A Active CN113753740B (en) | 2021-09-24 | 2021-09-24 | Device and method for centering knuckle bearing inner ring Kong Diaozhuang mandrel |
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| CN204135646U (en) * | 2014-09-23 | 2015-02-04 | 南京航空航天大学 | Install and the device detected for oscillating bearing |
| KR20170010156A (en) * | 2015-07-15 | 2017-01-26 | (주)케이엔티이엔지 | Gig for disassembling the outer race of the bearing in the vehicle |
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| CN108946430A (en) * | 2018-08-16 | 2018-12-07 | 福建龙溪轴承(集团)股份有限公司 | A kind of devices and methods therefor to mounted plain radial bearing inner ring hole lifting mandrel |
| CN111037259A (en) * | 2019-12-11 | 2020-04-21 | 兰州飞行控制有限责任公司 | Quick installation device of joint bearing |
| CN111577758A (en) * | 2020-05-22 | 2020-08-25 | 株洲季元科技有限责任公司 | Axial positioning mechanism for anti-side rolling pull-press rod joint bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8365379B2 (en) * | 2010-08-12 | 2013-02-05 | Mueller-Kueps, L.P. | Dismounting device for bearings |
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- 2021-09-24 CN CN202111119270.0A patent/CN113753740B/en active Active
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|---|---|---|---|---|
| CN204135646U (en) * | 2014-09-23 | 2015-02-04 | 南京航空航天大学 | Install and the device detected for oscillating bearing |
| KR20170010156A (en) * | 2015-07-15 | 2017-01-26 | (주)케이엔티이엔지 | Gig for disassembling the outer race of the bearing in the vehicle |
| 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 |
| CN108946430A (en) * | 2018-08-16 | 2018-12-07 | 福建龙溪轴承(集团)股份有限公司 | A kind of devices and methods therefor to mounted plain radial bearing inner ring hole lifting mandrel |
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| CN113753740A (en) | 2021-12-07 |
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