CN111958213B - Multifunctional bushing assembly and disassembly universal tool - Google Patents
Multifunctional bushing assembly and disassembly universal tool Download PDFInfo
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- CN111958213B CN111958213B CN202010771573.XA CN202010771573A CN111958213B CN 111958213 B CN111958213 B CN 111958213B CN 202010771573 A CN202010771573 A CN 202010771573A CN 111958213 B CN111958213 B CN 111958213B
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- 238000003825 pressing Methods 0.000 claims abstract description 35
- 230000000670 limiting effect Effects 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000013459 approach Methods 0.000 abstract description 3
- 230000003678 scratch resistant effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
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- Automatic Assembly (AREA)
Abstract
The invention relates to a multifunctional bushing assembly and disassembly universal tool, and belongs to the technical field of process tools. The tool comprises a left support and a right support and a left oil cylinder and a right oil cylinder which are arranged at two ends of a bottom plate; one of the left support and the right support is fixed on the bottom plate, and the other support and the bottom plate form a horizontal moving pair; the inner end of the support is fixed with a limit column; the piston rod of the oil cylinder is in threaded connection with the pull rod, and the outer end of the pull rod is provided with an inner side pressing sleeve and an outer side pressing sleeve or an inner side pressing sleeve; the outer end of the pull rod is provided with a notch structure which is clamped into the axial limiting snap ring. After the invention is adopted, the oil cylinders on the fixed side and the movable side can simultaneously and respectively finish the pressing-in or pressing-out of two adjacent bushings of a workpiece, the support which forms a moving pair with the bottom plate gradually approaches the fixed stand when the bushings are pressed in and gradually approaches the fixed stand when the bushings are pressed out due to the random motion of the workpiece and the action of the pull rod of the workpiece, the follow-up of the bushings when the bushings are pressed out, the synchronous pressing-in or pressing-out of more than three bushings with shaft hole spacing change is effectively finished, and the invention has ideal adaptability.
Description
Technical Field
The invention relates to a general tooling for assembling and disassembling a bushing, in particular to a general tooling suitable for assembling and disassembling a multifunctional bushing, and belongs to the technical field of process tooling.
Background
It is known to the applicant that multi-axial hole workpieces such as brake pad holders of railway vehicles and transmission boxes generally need to press-fit bushings in shaft holes, but the existing bushing press-fit tools are not only suitable for specific workpieces, and have poor adaptability, so that the tools need to be replaced when the workpieces are replaced, and at most two coaxial bushings can be press-fitted simultaneously, so that the single-function synchronous press-fit requirement of three or more multi-bushing press-fit tools with variable shaft hole spacing cannot be met, and the extrusion dismantling of the multi-bushing press-fit tools cannot be realized, especially when shaft holes at two ends are not concentric.
The search discovers that chinese patent application number 201822102621.7 discloses a frock of pressure equipment bush, including hydraulic cylinder, locating sleeve, pull rod, lock nut and adapter sleeve, the locating sleeve is to symmetrical arrangement in the both ends of pull rod, lock nut connects in one of them locating sleeve one side's pull rod one end soon, and the other end of pull rod passes another locating sleeve and connects soon with the adapter sleeve and link to each other, and hydraulic cylinder's piston rod one end is connected with the adapter sleeve, and the peripheral cover of piston rod is equipped with can push up respectively tightly the stop collar of locating sleeve and hydraulic cylinder's cylinder, adapter sleeve slidable mounting is in the stop collar. The bushing press-fitting tool can only press-fit two bushings at a time, does not have a bushing dismantling function, and is cumbersome to operate and use.
In a word, the prior art can not properly solve the problem that three or more bushings with variable shaft hole spacing are pressed in or pressed out at one time, and has the defects of low working efficiency and poor adaptability.
Disclosure of Invention
The invention aims at: aiming at the problems and the defects existing in the prior art, the multifunctional bushing assembly and disassembly tool capable of synchronously pressing in or out more than three (including three) bushings with the shaft hole spacing changing at one time is provided, so that the tool is high in efficiency and strong in adaptability.
In order to achieve the purpose, the basic technical scheme of the multifunctional bushing assembly and disassembly universal tool is as follows: the device comprises a left support and a right support which are respectively arranged at two ends of a bottom plate, and a left oil cylinder and a right oil cylinder which are respectively connected with the left support and the right support; one of the left support and the right support is fixed on the bottom plate, and the other support forms a horizontal moving pair in the left-right direction through a sliding block at the bottom of the other support and a track fixed on the bottom plate;
The inner ends of the left support and the right support are respectively fixed with a limit post with a central hole; the extending ends of the piston rods of the left and right cylinders are respectively in threaded connection with the left and right pull rods in the corresponding central holes, and the outer sections of the left and right pull rods extending out of the central holes of the corresponding limiting columns are at least provided with an inner pressing sleeve and an outer pressing sleeve which are in movable fit with the inner pressing sleeve and the outer pressing sleeve; the outer ends of the left pull rod and the right pull rod are respectively provided with a notch structure which is clamped into the axial limiting snap ring;
The inner side pressing-in sleeve is provided with a centering section with an outer diameter matched with the inner diameter of the inner bushing to be pressed in, and a pressing ring section with an outer diameter larger than the outer diameter of the inner bushing to be pressed in; the outer pressing sleeve is provided with a guide section with an outer diameter matched with the inner diameter of the corresponding outer bushing to be pressed, and a compression ring section with an outer diameter larger than the inner diameter of the outer bushing to be pressed and smaller than the inner diameter of the corresponding shaft hole to be pressed.
The extrusion device further comprises an inner extrusion sleeve and an outer extrusion sleeve, wherein the inner extrusion sleeve and the outer extrusion sleeve are respectively provided with a positioning section with the outer diameter matched with the inner diameter of the corresponding bushing to be extruded and an extrusion section with the outer diameter larger than the inner diameter of the corresponding bushing to be extruded and smaller than the outer diameter of the corresponding bushing to be extruded; the length of the extrusion section is greater than the length of the corresponding bushing to be extruded.
After the invention is adopted, the oil cylinders on the fixed side and the movable side can respectively press in or press out two adjacent bushings of the workpiece at one time, in the process, the workpiece to be pressed in or pressed out of the bushings can generate corresponding axial random movement due to different matching tightness between each bushing and the corresponding shaft hole, and the support which forms a moving pair with the bottom plate can gradually approach the fixed stand when the workpiece is pressed in or pressed out of the bushings due to the random movement of the workpiece and the action of the pull rod of the workpiece. Finally, three or more bushings with variable shaft hole spacing can be pressed in or pressed out synchronously with high efficiency, and the method has ideal adaptability.
The invention is further perfected that at least one of the left support and the right support comprises a vertical frame fixed on the bottom plate and an oil cylinder mounting seat with a piston rod through hole, and the inner end surface of the vertical frame is fixedly connected with a waist-shaped hole on a fixed plate of the limit post; the oil cylinder mounting seat is fixedly connected with the cylinder body of the corresponding oil cylinder, and is fixedly connected with the inner end surface of the vertical frame through a long waist hole with the extending direction identical to the extending direction of the waist hole. Therefore, the assembly manufacturability is good, and the positions of the limiting column and the axis of the piston rod can be conveniently adjusted in a certain range along the extending direction of the kidney-shaped hole according to the requirement, so that the sleeve pressing-in or pressing-out device is suitable for the sleeve pressing-in or pressing-out of the shaft holes at the two ends, which are not coaxial.
The invention is further perfected that the oil cylinder mounting seat is positioned between the inner side of the vertical frame and the fixed plate of the limiting column. Thus, fine adjustment of the mounting positions of the two is facilitated, and the position accuracy of the oil cylinder piston rod and the pull rod assembly and the central hole of the limiting column is improved. In addition, the length direction of waist shape hole and long waist hole extends vertically or the horizontal extension to satisfy the bush pressure equipment demand that both ends height or horizontal direction are different.
The invention is further perfected that one end of the pressing ring section adjacent to the centering section is provided with a diameter reducing section, and the outer diameter of the diameter reducing section is smaller than the inner diameter of the corresponding shaft hole to be pressed in. Therefore, when the end surface of the bushing hole of the workpiece is a non-processing surface, the end surface of the bushing can be properly pressed into the bushing in order to eliminate the influence of the die lifting oblique angle of the workpiece due to the processing modes of castings, forgings and the like, or the end surface of the bushing is positioned in the end surface of the shaft hole when the shaft hole is longer.
The invention is still further perfected in that the base plate is provided with a scratch-resistant follow-up plate for pressing in or pressing out a lining workpiece, and the friction coefficient between the scratch-resistant follow-up plate and the workpiece is larger than the friction coefficient between the scratch-resistant follow-up plate and the base plate. Therefore, the workpiece can be supported, the assembly and disassembly quality of the bushing is guaranteed, and the surface of the workpiece can be prevented from being scratched. And the anti-scratch follow-up plates with different thicknesses can be adopted to adapt to workpieces with different hole shaft center heights or deviation of the hole shaft center line on the same horizontal plane.
In a word, the invention skillfully realizes the synchronous pressing-in or pressing-out of three or more bushings with the shaft hole spacing changing at one time by a simple and unique structure with one fixed end and one follow-up end, and has the advantages of high working efficiency, wide applicability and simple operation.
Drawings
The invention is described in further detail below with reference to examples given in the accompanying drawings.
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of the embodiment of fig. 1.
Fig. 3 is a partially enlarged schematic structural view of fig. 2.
Fig. 4 is a schematic axial projection structure of the spacing post of the embodiment of fig. 1.
Fig. 5 is an axial projection structure schematic view of the cylinder mount of the embodiment of fig. 1.
Fig. 6 is a schematic view of the embodiment of fig. 1 prior to use in pressing into a bushing.
Fig. 7 is a schematic view of the embodiment of fig. 1 for pressing into a bushing.
Fig. 8 is a schematic view of the embodiment of fig. 1 after use in pressing into a bushing.
Fig. 9 is a schematic view of the embodiment of fig. 1 prior to use in extruding a liner.
Fig. 10 is a schematic view of the embodiment of fig. 1 used in an extrusion liner.
Fig. 11 is a schematic view of the embodiment of fig. 1 after use in extruding a liner.
Detailed Description
Example 1
The basic structure of the multifunctional lining sleeve assembling and disassembling tool applicable to brake pad holders of rolling stocks with various specifications is shown in fig. 1 and 2, two ends of a bottom plate 3 are respectively provided with left and right supports 7 and 7', wherein the left support 7 is fixed on the bottom plate 3, the right support 7' and a track 3-1 fixed on the bottom plate 3 form a horizontal moving pair in the left-right direction through a sliding block 5 at the bottom of the right support 7', and the left and right supports 7 and 7' are respectively connected with left and right cylinders 2 and 2'. The bottom plate 3 is provided with a scratch-proof follow-up plate 4 of the lining workpiece, namely the brake pad support 15, to be pressed in or pressed out by the lining, and the friction coefficient of the contact surface of the scratch-proof follow-up plate 4 and the brake pad support 15 is larger than that of the contact surface of the scratch-proof follow-up plate and the bottom plate 3, so that the workpiece is carried with the scratch-proof follow-up plate to follow up when being displaced, and the scratch-proof follow-up plate has the function of supporting the brake pad support 15 in an auxiliary mode on one hand and protecting the bottom surface of the brake pad support from being scratched on the other hand. The thickness of the scratch-resistant follow-up plate can be selected according to the requirement, so that the scratch-resistant follow-up plate can be suitable for brake pad holders with different specifications and different hole shaft center line heights.
Except the bottom structure, the upper parts of the left and right supports 7, 7' and other structures are basically the same, the inner end is fixed with a limit post 8 with a central hole, the end of the limit post 8 is fixed with a limit ring 8-1, the limit ring 8-1 is detachably connected with the end of the limit post 8 by bolts, the service life of the limit post 8 is prolonged, and the maintenance cost is saved. Specifically, the limiting column 8 is composed of a vertical fixing plate and a sleeve extending outwards from the middle of the fixing plate, the sleeve is a thick-diameter section and a thin-diameter section from the extending direction, interference with the pressed and disassembled workpiece is avoided, the weight of the tool is reduced, and the end head of the thin-diameter section is detachably connected with the limiting ring 8-1.
Referring to fig. 3,4 and 5, the left support 7 comprises a vertical frame 7-1 with the bottom fixed on the bottom plate 3 and an oil cylinder mounting seat 7-2 fixed on the inner side of the vertical frame 7-1, the oil cylinder mounting seat 7-2 is positioned between the inner side of the vertical frame 7-1 and a fixed plate of the limit column 8, and the oil cylinder mounting seat and the limit column are respectively arranged on the vertical frame without mutual interference, so that fine adjustment of the mounting positions of the oil cylinder mounting seat and the limit column can be realized, the position precision of a piston rod and a pull rod of the oil cylinder and a central hole of the limit column is improved, and the aim of reducing the manufacturing precision of the limit column, the vertical frame and the like is fulfilled.
The middle part of the oil cylinder mounting seat 7-2 is provided with a central through hole for fixing an oil cylinder and enabling a piston rod to pass through, and four small through holes arranged on the periphery of the central through hole are fixedly connected with the cylinder body of the left oil cylinder 2 by adopting fasteners (can also be fixedly connected with the mounting frame of the left oil cylinder 2). The right support 7' is different from the left support 7 in that the inner end surface of the vertical frame is fixedly connected with the limit post 8 through vertical waist-shaped holes 8-1 positioned at four corners of the installation end surface of the limit post 8, and the oil cylinder installation seat 7-2 is fixedly connected with the inner end surface of the vertical frame through four long waist-shaped holes 7-3 with the extending direction consistent with the extending direction of the waist-shaped holes 8-1. Therefore, the assembly manufacturability is good, and the height positions of the limiting column and the axis of the piston rod can be conveniently adjusted in a certain range according to the requirement, so that the assembly method is suitable for the pressing-in or pressing-out of the bushings with different shaft holes at the two ends.
As shown in fig. 2 and 3, the external thread 2-1 of the piston rod extension end 2-2 of the left cylinder is screwed and tightly connected with the internal thread 11-1 of the inner end of the pull rod 11 in the central hole, and the outer section of the central hole of the pull rod 11 extension limit post 8 is provided with an inner pressing sleeve 10 and an outer pressing sleeve 12 (or inner pressing sleeve 10', outer pressing sleeve 12') which are in movable fit with the inner pressing sleeve. The outer end of the pull rod 11 is provided with a notch structure which is clamped into the axial limiting snap ring 9, so that the axial limiting constraint on one end of the inner pressing sleeve 10 or the inner pressing sleeve 10' can be formed. Specifically, the outer end of the pull rod 11 is provided with an annular groove, and the limiting snap ring 9 is clamped in the annular groove of the pull rod 11 through a notch extending in the radial direction, so that the axial limiting effect is achieved.
Referring to fig. 3,6, 7 and 8, the inner press-in sleeve 10 has a centering section 10-2 having an outer diameter matched with an inner diameter of the inner bush 14 to be pressed in and a pressing ring section 10-3 having an outer diameter larger than the outer diameter of the inner bush 14 to be pressed in, and the pressing ring section 10-3 of the inner press-in sleeve 10 has an outer diameter larger than the inner diameter of the shaft hole to be pressed in; preferably, one end of the pressing ring section 10-3 adjacent to the guide section 10-2 is provided with a diameter-reducing section 10-1, and the outer diameter of the diameter-reducing section 10-1 is smaller than the inner diameter of the corresponding shaft hole to be pressed, so that the required over-travel pressing can be ensured when the bushing is pressed, the universality of the tool can be improved, and when the end face of the bushing hole of the workpiece is a non-processing face, the factor that the bushing cannot be completely pressed into place due to the influence of the drawing bevel angle of the workpiece in the processing mode of castings, forgings and the like is eliminated. The outer press-in sleeve 12 is provided with a guide section 12-2 with an outer diameter matched with the inner diameter of the corresponding outer bushing 14' to be pressed in and a compression ring section 12-3 with an outer diameter larger than the outer diameter of the corresponding outer bushing 14' to be pressed in and smaller than the inner diameter of the corresponding shaft hole to be pressed in, and the outer end of the compression ring section 12-3 is provided with a chamfer, so that the outer bushing 14' to be pressed in is easily guided into the shaft hole to be pressed in. Referring to fig. 9, 10 and 11, the inner extrusion sleeve 10 'and the outer extrusion sleeve 12' respectively have a positioning section with an outer diameter matched with the inner diameter of the corresponding bushing to be extruded and an extrusion section with an outer diameter greater than the inner diameter of the corresponding bushing to be extruded and smaller than the outer diameter of the corresponding bushing to be extruded; the length of the extrusion section is greater than the length of the corresponding bushing to be extruded. The right side structure is referred to the left side, and will not be described in detail.
The brake pad holder 15 of this embodiment has four shaft holes, and corresponding bushings are pressed in or pressed out from both ends, respectively. In the bushing pressing-in process, referring to fig. 6,7 and 8, as shown in fig. 6, the screw thread of the pull rod 11 is screwed and fastened with the telescopic end of the piston of the left cylinder 2, and then the inner bushing 14 and the outer bushing 14' are respectively sleeved on the inner pressing-in sleeve 10 and the outer pressing-in sleeve 12 on the pull rod 11 and are respectively arranged at the outer sides of the two shaft holes at the left end of the brake pad support 15 so as to be respectively pressed into the bushings from two ends; the right end operates similarly. Then as shown in fig. 7, the left and right cylinders are started at the same time, the left pull rod 11 is contracted, the left outer lining 14' is positioned by leaning against the limit ring 8-1 at the end of the left limit post 8, and the inner lining 14 and the brake pad support 15 draw the anti-scratch follow-up plate to gradually translate leftwards; in this process, the right support 7 'is pulled by the brake pad holder 15 to move to the left, and simultaneously, the outer bushing and the inner bushing on the right side are translated similarly to the left side on the basis of the pulling action of the right cylinder 2', until all the bushings are pressed into the corresponding shaft holes, as shown in fig. 8.
The bushing extrusion process is illustrated in fig. 9, 10 and 11, and the inner extrusion sleeve 10 'and the outer extrusion sleeve 12' are replaced, and the remaining operations are not difficult to understand in connection with the extrusion process, and will not be described in detail.
The pressing-in or pressing-out actions of the bushings in the process are dependent on the matching tightness of the bushings and the corresponding shaft holes, the bushing pressing-in or pressing-out actions have certain randomness, and the brake pad support is pulled to drive the right support to follow up anyway, so that the distance between the supports at two ends is automatically adjusted, the bushing pressing-in or pressing-out requirements of the bushings are met, the four bushings with different shaft hole distances and different shaft holes at two ends are finally and effectively pressed in or pressed out in a one-time basically synchronous manner, the process quality of bushing pressing-in is effectively ensured, the load during pressing-in is mainly borne by the oil cylinder, the pull rod and the pressing-in or pressing-out sleeve, the workpiece is in a follow-up state, and the workpiece is protected. Experiments show that the multifunctional bushing assembly and disassembly tool of the embodiment has the advantages of compact structure, strong adaptability, high disassembly and assembly efficiency, low cost and good economy.
In addition to the embodiments described above, other embodiments of the invention are possible. For example, the kidney-shaped aperture may extend either vertically or horizontally as desired; for another example, the right support and the left support can be both provided with waist-shaped holes for adjusting the fixing positions during installation, and the extending directions of the waist-shaped holes of the left support and the right support can be same or perpendicular to each other; for another example, the bushing pressing-in process can also be to first sleeve the inner bushing and the outer bushing on the inner pressing-in sleeve and the outer pressing-in sleeve on the pull rod respectively, and to be arranged on the outer sides of the two shaft holes at the left end of the brake pad support separately, so as to press in the bushings from the two ends respectively, and then screw and fasten the screw thread of the pull rod and the telescopic end of the piston of the left cylinder. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (5)
1. The utility model provides a general frock is torn open to multi-functional lining suit which characterized in that: the device comprises a left support and a right support which are respectively arranged at two ends of a bottom plate, and a left oil cylinder and a right oil cylinder which are respectively connected with the left support and the right support; one of the left support and the right support is fixed on the bottom plate, and the other support forms a horizontal moving pair in the left-right direction through a sliding block at the bottom of the other support and a track fixed on the bottom plate; the inner ends of the left support and the right support are respectively fixed with a limit post with a central hole; the extending ends of the piston rods of the left and right cylinders are respectively in threaded connection with the left and right pull rods in the corresponding central holes, and the outer sections of the left and right pull rods extending out of the central holes of the corresponding limiting columns are at least provided with an inner pressing sleeve and an outer pressing sleeve which are in movable fit with the inner pressing sleeve and the outer pressing sleeve; the outer ends of the left pull rod and the right pull rod are respectively provided with a notch structure which is clamped into the axial limiting snap ring; the inner side pressing-in sleeve is provided with a centering section with an outer diameter matched with the inner diameter of the inner bushing to be pressed in, and a pressing ring section with an outer diameter larger than the outer diameter of the inner bushing to be pressed in; the outer pressing sleeve is provided with a guide section with an outer diameter matched with the inner diameter of the corresponding outer bushing to be pressed, and a compression ring section with an outer diameter larger than the inner diameter of the outer bushing to be pressed and smaller than the inner diameter of the corresponding shaft hole to be pressed; the extrusion device also comprises an inner extrusion sleeve and an outer extrusion sleeve, wherein the inner extrusion sleeve and the outer extrusion sleeve are respectively provided with a positioning section with the outer diameter matched with the inner diameter of the corresponding bushing to be extruded and an extrusion section with the outer diameter larger than the inner diameter of the corresponding bushing to be extruded and smaller than the outer diameter of the corresponding bushing to be extruded; the length of the extrusion section is greater than the length of the corresponding bushing to be extruded; one end of the pressing ring section adjacent to the centering section is provided with a diameter reducing section, and the outer diameter of the diameter reducing section is smaller than the inner diameter of the corresponding shaft hole to be pressed in; the anti-scratch follow-up plate is arranged on the bottom plate, the liner is pressed into or pressed out of the lining workpiece, and the friction coefficient between the anti-scratch follow-up plate and the workpiece is larger than that between the anti-scratch follow-up plate and the bottom plate.
2. The multifunctional bushing assembly disassembly tool according to claim 1, wherein: at least one of the left support and the right support comprises a vertical frame fixed on the bottom plate and an oil cylinder mounting seat with a piston rod through hole, and the inner end surface of the vertical frame is fixedly connected with a waist-shaped hole on a fixed plate of the limit column; the oil cylinder mounting seat is fixedly connected with the cylinder body of the corresponding oil cylinder, and is fixedly connected with the inner end surface of the vertical frame through a long waist hole with the extending direction identical to the extending direction of the waist hole.
3. The multifunctional bushing assembly disassembly tool according to claim 2, wherein: the oil cylinder mounting seat is positioned between the inner side of the vertical frame and the fixed plate of the limiting column.
4. A multifunctional bushing assembly and disassembly tool according to any one of claims 2 or 3, wherein: the length directions of the kidney-shaped holes and the long kidney-shaped holes extend vertically or horizontally.
5. The multifunctional bushing assembly disassembly tool according to claim 1, wherein: the outer end of the compression ring segment of the outer pressing sleeve is provided with a chamfer.
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| CN202010771573.XA CN111958213B (en) | 2020-08-04 | 2020-08-04 | Multifunctional bushing assembly and disassembly universal tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010771573.XA CN111958213B (en) | 2020-08-04 | 2020-08-04 | Multifunctional bushing assembly and disassembly universal tool |
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| CN111958213B true CN111958213B (en) | 2024-07-26 |
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| WO2024016131A1 (en) * | 2022-07-18 | 2024-01-25 | 苏州通锦精密工业股份有限公司 | Guide arm horizontal press-fitting device and guide arm press-fitting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212330271U (en) * | 2020-08-04 | 2021-01-12 | 常州中车铁马科技实业有限公司 | Multifunctional universal tool for assembling and disassembling bushing |
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| CN201769035U (en) * | 2010-03-29 | 2011-03-23 | 天津达祥精密工业有限公司 | Bushing assembly equipment |
| CN202804588U (en) * | 2012-09-24 | 2013-03-20 | 上海宝钢工业技术服务有限公司 | Installation tools for rolling mill flying shear locking cylinder thin-wall lining |
| CN107199449A (en) * | 2017-06-12 | 2017-09-26 | 中国航发哈尔滨东安发动机有限公司 | Main reducing gear rotor shaft lower pulling force bearing assembling device |
| CN209380225U (en) * | 2018-12-14 | 2019-09-13 | 广西玉柴重工有限公司 | A kind of tooling being pressed bushing |
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| CN212330271U (en) * | 2020-08-04 | 2021-01-12 | 常州中车铁马科技实业有限公司 | Multifunctional universal tool for assembling and disassembling bushing |
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