CN112476332A - Adjustable bearing dismounting device and dismounting method - Google Patents

Adjustable bearing dismounting device and dismounting method Download PDF

Info

Publication number
CN112476332A
CN112476332A CN202011269106.3A CN202011269106A CN112476332A CN 112476332 A CN112476332 A CN 112476332A CN 202011269106 A CN202011269106 A CN 202011269106A CN 112476332 A CN112476332 A CN 112476332A
Authority
CN
China
Prior art keywords
bearing
support
assembly
screw nut
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202011269106.3A
Other languages
Chinese (zh)
Other versions
CN112476332B (en
Inventor
李世荣
武因峰
王少华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Hanguang Heavy Industry Ltd
Original Assignee
Hebei Hanguang Heavy Industry Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Hanguang Heavy Industry Ltd filed Critical Hebei Hanguang Heavy Industry Ltd
Priority to CN202011269106.3A priority Critical patent/CN112476332B/en
Publication of CN112476332A publication Critical patent/CN112476332A/en
Application granted granted Critical
Publication of CN112476332B publication Critical patent/CN112476332B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention discloses an adjustable bearing dismounting device and a dismounting method, wherein the dismounting device comprises an inner support I, an inner support II, an outer support I, an outer support II, a support frame, a translation assembly, a screw nut assembly and a pressing ring; the screw nut component is vertically arranged on the support frame, more than two inner supports I are arranged at the lower end of the screw nut component during installation, and a screw part of the screw nut component is fixed through a pressing ring; the number of the translation assemblies is consistent with that of the outer columns I, more than two outer columns I are vertically fixed on the translation assemblies and are uniformly distributed about the screw nut assembly, and the translation assemblies drive the outer columns I to horizontally move along the supporting frame until the outer columns I are aligned with the outer ring of the bearing; when the bearing is disassembled, the pressing ring is disassembled, the inner support I and the outer support I are replaced by an inner support II and an outer support II respectively, the inner support II is clamped with the bearing, the inner support II is in interference fit with the bearing inner ring, and the outer support II is moved to the outer side of the bearing outer ring through the translation assembly. The invention is convenient for installation and disassembly, and can disassemble and assemble bearings of various types and specifications.

Description

Adjustable bearing dismounting device and dismounting method
Technical Field
The invention belongs to the technical field of mechanical disassembly and assembly, and particularly relates to an adjustable bearing disassembly and assembly device and an adjustable bearing disassembly and assembly method.
Background
The bearing is an important component in the rotating mechanism, and the performance of the bearing directly determines the working performance and reliability of the product, so that the bearing performance is ensured to have important significance. The bearing is installed and disassembled on the installation frame, the bearing and the assembling parts of the bearing are easily damaged in the knocking process due to the fact that the bearing is manually and directly knocked in the traditional method, the bearing is easily damaged in the disassembling process, and the existing professional bearing assembling and disassembling machine is high in manufacturing cost, high in energy consumption, heavy, large in size, inconvenient to move and inconvenient to operate.
Disclosure of Invention
In view of this, the invention provides an adjustable bearing dismounting device and a dismounting method, which are convenient for mounting and dismounting and can dismount bearings with various types and specifications.
The technical scheme adopted by the invention is as follows:
an adjustable bearing dismounting device comprises an inner support I, an inner support II, an outer support I, an outer support II, a support frame, a translation assembly, a lead screw nut assembly and a pressing ring;
the screw nut assembly is vertically arranged on the support frame, when the bearing is arranged, more than two inner supports I are uniformly arranged in the installation groove at the lower end of the screw nut assembly, and the screw part of the screw nut assembly is fixed through the pressing ring; the number of the translation assemblies is consistent with that of the outer columns I, more than two outer columns I are vertically fixed on the translation assemblies and are uniformly distributed about the screw nut assembly, and the translation assemblies drive the outer columns I to horizontally move along the supporting frame until the outer columns I are aligned with the outer ring of the bearing; rotating a lead screw part of a lead screw nut assembly, enabling the inner support I to be in interference fit with the bearing inner ring, rotating a nut part of the lead screw nut assembly, pressing down the support frame, driving the translation assembly to move downwards, and completing bearing assembly;
when the bearing is disassembled, the pressing ring is disassembled, the inner support I and the outer support I are replaced by the inner support II and the outer support II respectively, the bottom end of the inner support II is clamped with the bottom end of the bearing, the screw rod part of the screw rod nut component is rotated, the inner support II is in interference fit with the bearing inner ring, the outer support II is moved to the outer side of the bearing outer ring through the translation component to serve as a support, the nut part of the screw rod nut component is rotated, the inner support II is driven to move upwards, and the bearing is disassembled.
Further, the screw nut assembly comprises a screw, an outer diameter cylinder and an inner diameter cylinder;
the screw rod is positioned in the inner diameter cylinder and is in threaded connection with the inner diameter cylinder, and the outer diameter cylinder is in threaded connection with the outer circumference of the inner diameter cylinder.
Furthermore, the translation assembly comprises a guide rod, a pressure plate, a guide post and a slide block;
the pressing plate is fixed at the end part of the support frame, and the sliding block is in clearance fit with the support frame; one end of the guide rod is in threaded connection with the pressing plate, and the other end of the guide rod is limited in the clamping hole of the sliding block and is in clearance fit with the sliding block; one end of the guide post is in threaded connection with the support frame, and the other end of the guide post is in clearance fit with the sliding block.
Further, the outer diameter cylinder is provided with a radial threaded hole for installing and rotating the auxiliary tool.
Furthermore, the inner pillar I is of a 7-shaped structure, the vertical part is the outer side, and the horizontal part is the inner side; the outer side of the inner pillar I is a cylindrical surface, the inner side of the inner pillar I is provided with a clamping table extending downwards, and the width of the clamping table is larger than that of the mounting groove of the screw nut component; the wall surface of the extension part of the clamping table opposite to the vertical part is provided with a clamping groove, and the wall surface of the other side of the clamping table is provided with an inverted arc;
the inner post II is of a 7-shaped structure, the vertical part is the outer side, and the horizontal part is the inner side; the outer side is a cylindrical surface, and the bottom end of the cylindrical surface is provided with a drag hook for matching with the bottom end of the bearing; a clamping table extending downwards is arranged on the inner side of the inner support II, and the width of the clamping table is larger than that of the mounting groove of the screw nut component; the wall surface of the extension part of the clamping table opposite to the vertical part is provided with a clamping groove, and the wall surface of the other side of the clamping table is provided with an inverted arc.
Furthermore, the outer pillar I is of a cylindrical structure, a straight groove is machined at one end of the outer pillar I, threads are machined on the cylindrical surface at the end of the outer pillar I, and a chamfer is machined at the other end of the outer pillar I;
the outer pillar II is of a cylindrical structure, a straight groove is machined at one end of the outer pillar II, threads are machined on the cylindrical surface of the end of the outer pillar II, and a step platform is machined at the other end of the outer pillar II.
Further, by adopting the adjustable bearing dismounting device, the bearing assembling method comprises the following steps:
step 1, sleeving a bearing outside more than two inner supports I, rotating a lead screw part of a lead screw nut assembly to enable the inner supports I to be in interference fit with an inner ring of the bearing, and fixing the lead screw part and pressing the bearing by utilizing a pressing ring;
step 2, driving the outer column I to horizontally move along the support frame through the translation assembly until the outer column I is aligned with the outer ring of the bearing;
step 3, rotating the nut part of the screw nut assembly, pressing down the support frame, driving the translation assembly to move downwards, and completing bearing assembly;
the bearing dismounting method comprises the following steps:
step 1, disassembling a pressing ring, and replacing an inner pillar I and an outer pillar I with an inner pillar II and an outer pillar II respectively;
step 2, rotating a lead screw part of the lead screw nut assembly, and enabling the inner support II to be in interference fit with the bearing inner ring;
step 3, moving the outer support II to the outer side of the bearing outer ring through the translation assembly to serve as a support;
and 4, rotating the nut part of the screw rod nut component to drive the inner support II to move upwards, so that the bearing is separated from the mounting frame, and the bearing is dismounted.
Has the advantages that:
1. the invention has compact structure, is simple and portable, has low manufacturing cost, convenient operation and no energy consumption, and can install and disassemble the bearing; secondly, the relative position of the outer column I or the outer column II and the bearing is adjusted through the translation assembly, and the bearings with various types and specifications can be assembled and disassembled; moreover, through the fixed centre gripping bearing of two above inner branch posts simultaneously, be difficult for rocking, avoid the bearing to dismantle the in-process off-centre at the installation, improve the installation greatly and dismantle the reliability, the installation is dismantled for a short time the error, and the precision is higher.
2. The inner support I and the inner support II are provided with clamping grooves, and all the inner supports I or the inner supports II are fixed together through clamping rings to limit the inner supports I or the inner supports II and prevent the inner supports I or the inner supports II from moving freely.
3. The outer column II is provided with the step platform, so that the pressure on the installation frame can be reduced, and parts are prevented from being damaged.
Drawings
FIG. 1 is a schematic view of a bearing mounting structure of the present invention;
FIG. 2 is a cross-sectional view of the bearing mounting structure of the present invention;
FIG. 3 is a schematic structural view of the bearing disassembly of the present invention;
FIG. 4 is an isometric view of the spider;
FIG. 5 is an isometric view of the slider;
fig. 6(a) and 6(b) are an isometric view and a front view of an inner strut I, respectively;
fig. 7(a) and 7(b) are isometric and front views of an inner strut ii;
fig. 8 is an isometric view of an outer strut i;
fig. 9 is an isometric view of inner strut ii;
wherein, 1-special screw, 2-inner column I, 3-mounting frame, 4-bearing, 5-outer column I, 6-guide rod, 7-pressing plate, 8-guide column, 9-slide block, 10-cross, 11-lead screw, 12-outer diameter cylinder, 13-inner diameter cylinder, 14-pressing ring, 15-inner column II, 16-outer column II.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides an adjustable bearing dismounting device which comprises an inner support I2, an inner support II 15, an outer support I5, an outer support II 16, a support frame, a translation assembly, a screw nut assembly and a pressing ring 14.
As shown in fig. 1 and 2, the screw nut assembly is vertically installed on the support frame, when the bearing 4 is installed, more than two inner pillars i 2 are uniformly installed in the installation groove at the lower end of the screw nut assembly, and the screw part of the screw nut assembly is fixed through the pressing ring 14; the number of the translation assemblies is consistent with that of the outer columns I5, more than two outer columns I5 are vertically fixed on the translation assemblies and are uniformly distributed relative to the screw nut assemblies, and the translation assemblies drive the outer columns I5 to horizontally move along the supporting frame until the outer rings of the bearings 4 are aligned; the screw rod part of the screw rod nut component is rotated, the inner support I2 is in interference fit with the inner ring of the bearing 4, the nut part of the screw rod nut component is rotated, the support frame is pressed downwards, the translation component is driven to move downwards, and the assembly of the bearing 4 is completed.
As shown in fig. 3, when the bearing 4 is disassembled, the pressing ring 14 is disassembled, the inner support I2 and the outer support I5 are replaced by the inner support II 15 and the outer support II 16 respectively, the bottom end of the inner support II 15 is clamped with the bottom end of the bearing 4, the screw rod part of the screw rod nut component is rotated, the inner support II 15 is in interference fit with the inner ring of the bearing 4, the outer support II 16 is moved to the outer side of the outer ring of the bearing 4 through the translation component to serve as a support, the nut part of the screw rod nut component is rotated to drive the inner support II 15 to move upwards, and the bearing 4 is.
In this embodiment, four inner struts i 2, four inner struts ii 15, four outer struts i 5, and four outer struts ii 16 are used.
As shown in fig. 4, the support frame employs a cross 10. The center of the cross 10 is provided with a precision hole with the size of f7 tolerance, two threaded holes are respectively machined at the periphery of the center hole, two support columns extend out of each side of the center hole, the other three surfaces except the outer side surfaces of the two adjacent support columns in the peripheral wall surfaces of the support columns are all subjected to precision machining, the roughness is required to be 3.2 mu m, the verticality relative to the center hole is required to be 0.02mm, the two inner side surfaces are machined according to the positive tolerance grade, the size is H7 tolerance, and the end surfaces of the two support columns are respectively provided.
The inner pillar I2 is of a 7-shaped structure, the vertical part is the outer side, and the horizontal part is the inner side; the outer side of the inner support I2 is a cylindrical surface, a clamping table extending downwards is arranged on the inner side of the inner support I2, the width of the clamping table is larger than that of the mounting groove of the screw nut component, and the radial movement of the inner support I2 is limited; the wall surface of the extension part of the clamping table opposite to the vertical part is provided with a clamping groove, and the wall surface of the other side of the clamping table is provided with an inverted arc. The overall roughness was 6.3 μm.
As shown in fig. 6(a) and 6(b), the inner pillar ii 15 has a 7-shaped structure, the vertical part is the outer side, and the horizontal part is the inner side; the outer side is a cylindrical surface, and the bottom end of the cylindrical surface is provided with a drag hook used for matching with the bottom end of the bearing 4.
As shown in fig. 7(a) and 7(b), a clamping table extending downwards is arranged on the inner side of the inner support II 15, the width of the clamping table is larger than that of the mounting groove of the screw nut assembly, and the radial movement of the inner support II 15 is limited; the wall surface of the extension part of the clamping table opposite to the vertical part is provided with a clamping groove, and the wall surface of the other side of the clamping table is provided with an inverted arc. The overall roughness was 6.3 μm.
As shown in fig. 8, the outer pillar i 5 is a cylindrical structure, one end of which is provided with a straight groove, the cylindrical surface of the end is provided with threads, and the other end of which is provided with a chamfer.
As shown in FIG. 9, the outer post II 16 is a cylindrical structure, one end of which is provided with a straight groove, the cylindrical surface of the end is provided with threads, and the other end of which is provided with a step platform.
In a preferred embodiment, the lead screw nut assembly includes a lead screw 11, an outer diameter barrel 12 and an inner diameter barrel 13; the outer diameter tube 12 is a nut portion of the lead screw nut assembly, and the lead screw 11 and the inner diameter tube 13 are a lead screw portion of the lead screw nut assembly. The screw rod 11 is positioned in the inner diameter cylinder 13 and is in threaded connection with the inner diameter cylinder 13, and the outer diameter cylinder 12 is in threaded connection with the outer circumference of the inner diameter cylinder 13. The screw rod 11 mainly plays a role in fixing the inner ring of the bearing, and eccentricity in the mounting and dismounting process is prevented.
The outer diameter cylinder 12 is of a cubic structure, and radial threaded holes are formed in the peripheral wall surface of the outer diameter cylinder 12 and used for installing and rotating the auxiliary tool.
In a preferred embodiment, the translation assembly includes guide rods 6, pressure plates 7, guide posts 8, and sliders 9.
As shown in fig. 5, two sides of the slider 9 are processed with guide grooves, the width dimension of the guide grooves is H7 tolerance, the roughness of three surfaces is 3.2 μm, the upper end surface of the guide grooves is processed with threaded through holes, two precision holes are processed along the direction of the guide grooves, the dimension is H7 tolerance, the roughness is 3.2 μm, the perpendicularity requirement of the two guide grooves and the two precision holes relative to the end surface of the slider 9 is 0.02mm, one end of the slider 9 is processed with a clamping hole for installing the guide rod 6, the clamping hole is designed in the middle, the width is processed with precision, the dimension is H7 tolerance, and the roughness is 3.2 μm.
The pressing plate 7 is fixed at the end part of the supporting frame, and the guide groove of the sliding block 9 is in clearance fit with the cross 10; one end of the guide rod 6 is in threaded connection with the pressure plate 7, and the other end of the guide rod is limited in a limiting groove of the sliding block 9 and is in clearance fit with the sliding block 9; one end of the guide post 8 is connected with the cross 10 by screw thread, and the other end is in clearance fit with the slide block 9.
The assembly method of the bearing 4 comprises the following steps:
step 1, installing four inner supports I2 in an installation groove at the lower end of an inner diameter cylinder 13, sleeving a bearing 4 outside the four inner supports I2, and installing a clamping ring in clamping grooves of the four inner supports I2 to fix the four inner supports I2 together; the screw rod 11 is rotated to enable the inner pillar I2 to be in interference fit with the inner ring of the bearing 4, the pressing ring 14 is installed from the back side of the installation frame 3, the pressing ring 14 is in threaded connection with the inner diameter cylinder 13, and the pressing ring 14 is fixed and tightly pressed on the bearing 4 through the special screw 1.
And 2, rotating the guide rod 6 to drive the sliding block 9 to slide along the support and the guide post 8 extending out of the cross 10, so that the center of the outer support I5 is aligned with the outer ring of the bearing 4, screwing the outer support I5 by using a torque wrench, ensuring the stress of the four outer supports I5 and the bearing 4 to be consistent, and avoiding the eccentricity of the bearing 4 in the installation process.
And 3, rotating the outer diameter cylinder 12, extruding the cross 10 by the outer diameter cylinder 12, driving the cross 10 to move along the axis of the inner diameter cylinder 13 to drive the four outer supports I5 to extrude the bearing 4, and continuously rotating the outer diameter cylinder 12 to finish the assembly of the bearing 4.
The method for disassembling the bearing 4 comprises the following steps:
step 1, replacing an inner pillar I2 and an outer pillar I5 with an inner pillar II 15 and an outer pillar II 16 respectively; the inner support I2 can be replaced only by detaching the pressing ring 14, and the outer support I5 can be replaced by directly rotating down from the sliding block 9. The clamping ring 14 is not used during the disassembly process.
And 2, the inner support II 15 penetrates through the bearing 4, the drag hook part of the inner support II 15 is clamped with the bottom end of the bearing 4, the screw rod 11 is rotated, and the inner support II 15 is in interference fit with the inner ring of the bearing 4.
Step 3, rotating the guide rod 6 to drive the slide block 9 to slide along the support and the guide column 8 extending out of the cross 10, so that the outer support II 16 step table is arranged in the outer side range of the outer ring of the bearing 4 and used as a support; and the four outer supports II 16 are screwed down by using a torque wrench, so that the stress of the four outer supports II 16 is consistent with that of the bearing 4, and the bearing 4 is prevented from being eccentric in the dismounting process.
And 4, rotating the outer diameter cylinder 12, extruding the cross 10 by the outer diameter cylinder 12, supporting an outer support II 16 fixed with the cross 10 on the mounting frame 3, and enabling the inner diameter cylinder 13 to be pulled upwards along the axis to drive an inner support II 15 fixed on the inner diameter cylinder 13 to move upwards, so that the bearing 4 is pulled out of the mounting frame 3, and the bearing 4 is dismounted.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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 (7)

1. An adjustable bearing dismounting device is characterized by comprising an inner support I, an inner support II, an outer support I, an outer support II, a support frame, a translation assembly, a screw nut assembly and a pressing ring;
the screw nut assembly is vertically arranged on the support frame, when the bearing is arranged, more than two inner supports I are uniformly arranged in the installation groove at the lower end of the screw nut assembly, and the screw part of the screw nut assembly is fixed through the pressing ring; the number of the translation assemblies is consistent with that of the outer columns I, more than two outer columns I are vertically fixed on the translation assemblies and are uniformly distributed about the screw nut assembly, and the translation assemblies drive the outer columns I to horizontally move along the supporting frame until the outer columns I are aligned with the outer ring of the bearing; rotating a lead screw part of a lead screw nut assembly, enabling the inner support I to be in interference fit with the bearing inner ring, rotating a nut part of the lead screw nut assembly, pressing down the support frame, driving the translation assembly to move downwards, and completing bearing assembly;
when the bearing is disassembled, the pressing ring is disassembled, the inner support I and the outer support I are replaced by the inner support II and the outer support II respectively, the bottom end of the inner support II is clamped with the bottom end of the bearing, the screw rod part of the screw rod nut component is rotated, the inner support II is in interference fit with the bearing inner ring, the outer support II is moved to the outer side of the bearing outer ring through the translation component to serve as a support, the nut part of the screw rod nut component is rotated, the inner support II is driven to move upwards, and the bearing is disassembled.
2. The adjustable bearing removal apparatus of claim 1, wherein the lead screw nut assembly comprises a lead screw, an outer diameter barrel and an inner diameter barrel;
the screw rod is positioned in the inner diameter cylinder and is in threaded connection with the inner diameter cylinder, and the outer diameter cylinder is in threaded connection with the outer circumference of the inner diameter cylinder.
3. The adjustable bearing disassembly and assembly device of claim 1, wherein the translation assembly comprises a guide rod, a pressure plate, a guide post and a slide block;
the pressing plate is fixed at the end part of the support frame, and the sliding block is in clearance fit with the support frame; one end of the guide rod is in threaded connection with the pressing plate, and the other end of the guide rod is limited in the clamping hole of the sliding block and is in clearance fit with the sliding block; one end of the guide post is in threaded connection with the support frame, and the other end of the guide post is in clearance fit with the sliding block.
4. The adjustable bearing assembly and disassembly device of claim 2 wherein the outer diameter barrel is provided with radial threaded holes for mounting a rotation aid.
5. The adjustable bearing dismounting device according to claim 1, wherein the inner pillar i has a 7-shaped structure, the vertical part is the outer side, and the horizontal part is the inner side; the outer side of the inner pillar I is a cylindrical surface, the inner side of the inner pillar I is provided with a clamping table extending downwards, and the width of the clamping table is larger than that of the mounting groove of the screw nut component; the wall surface of the extension part of the clamping table opposite to the vertical part is provided with a clamping groove, and the wall surface of the other side of the clamping table is provided with an inverted arc;
the inner post II is of a 7-shaped structure, the vertical part is the outer side, and the horizontal part is the inner side; the outer side is a cylindrical surface, and the bottom end of the cylindrical surface is provided with a drag hook for matching with the bottom end of the bearing; a clamping table extending downwards is arranged on the inner side of the inner support II, and the width of the clamping table is larger than that of the mounting groove of the screw nut component; the wall surface of the extension part of the clamping table opposite to the vertical part is provided with a clamping groove, and the wall surface of the other side of the clamping table is provided with an inverted arc.
6. The adjustable bearing assembling and disassembling device as claimed in claim 1, wherein the outer pillar i is a cylindrical structure, one end of which is formed with a straight groove, and the cylindrical surface of the end is formed with a thread, and the other end of which is formed with a chamfer;
the outer pillar II is of a cylindrical structure, a straight groove is machined at one end of the outer pillar II, threads are machined on the cylindrical surface of the end of the outer pillar II, and a step platform is machined at the other end of the outer pillar II.
7. An adjustable bearing dismounting method is characterized in that the adjustable bearing dismounting device according to claim 1 is adopted, and the bearing assembling method comprises the following steps:
step 1, sleeving a bearing outside more than two inner supports I, rotating a lead screw part of a lead screw nut assembly to enable the inner supports I to be in interference fit with an inner ring of the bearing, and fixing the lead screw part and pressing the bearing by utilizing a pressing ring;
step 2, driving the outer column I to horizontally move along the support frame through the translation assembly until the outer column I is aligned with the outer ring of the bearing;
step 3, rotating the nut part of the screw nut assembly, pressing down the support frame, driving the translation assembly to move downwards, and completing bearing assembly;
the bearing dismounting method comprises the following steps:
step 1, disassembling a pressing ring, and replacing an inner pillar I and an outer pillar I with an inner pillar II and an outer pillar II respectively;
step 2, rotating a lead screw part of the lead screw nut assembly, and enabling the inner support II to be in interference fit with the bearing inner ring;
step 3, moving the outer support II to the outer side of the bearing outer ring through the translation assembly to serve as a support;
and 4, rotating the nut part of the screw rod nut component to drive the inner support II to move upwards, so that the bearing is separated from the mounting frame, and the bearing is dismounted.
CN202011269106.3A 2020-11-13 2020-11-13 Adjustable bearing dismounting device and dismounting method Active CN112476332B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011269106.3A CN112476332B (en) 2020-11-13 2020-11-13 Adjustable bearing dismounting device and dismounting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011269106.3A CN112476332B (en) 2020-11-13 2020-11-13 Adjustable bearing dismounting device and dismounting method

Publications (2)

Publication Number Publication Date
CN112476332A true CN112476332A (en) 2021-03-12
CN112476332B CN112476332B (en) 2022-07-12

Family

ID=74930230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011269106.3A Active CN112476332B (en) 2020-11-13 2020-11-13 Adjustable bearing dismounting device and dismounting method

Country Status (1)

Country Link
CN (1) CN112476332B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113172577A (en) * 2021-04-28 2021-07-27 山东送变电工程有限公司 Tool for detaching and assembling rope wheel of traction machine and using method thereof
CN115106983A (en) * 2022-07-22 2022-09-27 甘肃嘉德益信息科技有限责任公司 Bearing dismounting and mounting tool

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20210565U1 (en) * 2002-07-09 2002-09-05 Klann Tools Ltd Mounting device for cardan shafts
CN201900620U (en) * 2010-11-24 2011-07-20 西安飞机工业（集团）有限责任公司 Oscillating bearing dismantling and installing tool
CN203726432U (en) * 2014-01-22 2014-07-23 广西柳工机械股份有限公司 Shaft sleeve disassembling and assembling tool
CN203765570U (en) * 2014-03-26 2014-08-13 衡水英利新能源有限公司 Bearing mounting and demounting combined tool
CN207522495U (en) * 2017-12-06 2018-06-22 徐州科建环保科技股份有限公司 Two-way plug-in valve dismantling device
CN110900147A (en) * 2019-12-23 2020-03-24 刘雪岭 Bearing dismouting subassembly and automatic bearing dismouting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20210565U1 (en) * 2002-07-09 2002-09-05 Klann Tools Ltd Mounting device for cardan shafts
CN201900620U (en) * 2010-11-24 2011-07-20 西安飞机工业（集团）有限责任公司 Oscillating bearing dismantling and installing tool
CN203726432U (en) * 2014-01-22 2014-07-23 广西柳工机械股份有限公司 Shaft sleeve disassembling and assembling tool
CN203765570U (en) * 2014-03-26 2014-08-13 衡水英利新能源有限公司 Bearing mounting and demounting combined tool
CN207522495U (en) * 2017-12-06 2018-06-22 徐州科建环保科技股份有限公司 Two-way plug-in valve dismantling device
CN110900147A (en) * 2019-12-23 2020-03-24 刘雪岭 Bearing dismouting subassembly and automatic bearing dismouting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113172577A (en) * 2021-04-28 2021-07-27 山东送变电工程有限公司 Tool for detaching and assembling rope wheel of traction machine and using method thereof
CN115106983A (en) * 2022-07-22 2022-09-27 甘肃嘉德益信息科技有限责任公司 Bearing dismounting and mounting tool

Also Published As

Publication number Publication date
CN112476332B (en) 2022-07-12

Similar Documents

Publication Publication Date Title
CN112476332B (en) Adjustable bearing dismounting device and dismounting method
CN201979328U (en) Clamp of eccentric bushing
CN110497217B (en) Synchronous telescopic self-adaptive multi-point supporting clamp for processing annular thin-walled part
CN101758397B (en) Positioning and drilling fixture for crank oil hole
CN108789260B (en) Reamer and method for mounting support plate nut
CN104209690A (en) Flexible fixture for vertical assembling of large-size thin-wall cylindrical component
CN110802428B (en) Milling machine fixture for gearbox of coulter gear
CN214815112U (en) Auxiliary clamp for mechanical drilling
CN113458433A (en) Clamping tool for processing external thread of large thin-wall cylinder
CN112192127B (en) Assembly welding device
CN211072322U (en) Device for turning large-size lower shell
CN111878005A (en) Quick-release quick-change sucker rod centralizer and method
CN215546928U (en) Detachable supporting frame for front hub production
CN110788496B (en) Laser boring clamp
CN211756250U (en) Ball core spraying frock
CN212763288U (en) Frock is dismantled to derailleur bearing inner race
CN206527539U (en) The lathe-use clamp justified in vitro for turning turbine box
CN218440269U (en) Bearing cap dismounting device
CN219901103U (en) Positioning fixture for boring cylinder sleeve
CN219275674U (en) Fixed tooling for vibration motor machining
CN113977518B (en) Precise assembly fixture and assembly method for bearing sleeve of supporting casing
CN215509339U (en) High-precision positioning disc for nut tapping machine
CN117245107B (en) High-speed machine tool electric spindle with replaceable rotating assembly
CN114310387B (en) Horizontal machining tool and machining method for non-circular section special-shaped cabin section
CN220330138U (en) Drum assembly-journal member reaming jig for engine rotor assembly repair

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant