CN112476324A - Bush extracting tool without supporting structure - Google Patents
Bush extracting tool without supporting structure Download PDFInfo
- Publication number
- CN112476324A CN112476324A CN202011192750.5A CN202011192750A CN112476324A CN 112476324 A CN112476324 A CN 112476324A CN 202011192750 A CN202011192750 A CN 202011192750A CN 112476324 A CN112476324 A CN 112476324A
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- CN
- China
- Prior art keywords
- bushing
- pull rod
- mandrel
- mass block
- joint
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to a bushing dismounting tool without a supporting structure, which comprises a mandrel, a limiting sleeve, a joint, a pull rod and a mass block, wherein the mandrel is arranged on the mandrel; the core shaft is in clearance fit with the inner hole of the bushing, and the clearance is smaller than 0.03 mm; the limiting sleeve and the rear end of the mandrel are fixed into a whole, the front end of the mandrel is connected with one end of a pull rod through a joint, a mass block is matched on the pull rod in a sliding mode, a radial convex shoulder is formed at the other end of the pull rod, the radial convex shoulder limits the mass block in the axial direction, and the mass block is used for impacting the radial convex shoulder to form a tensile force; the outer diameter of the limiting sleeve is smaller than the inner diameter of the inner hole in interference fit with the bushing. The invention does not damage or scratch the workpiece or the part in the disassembly process, is suitable for the part with the special-shaped surface, does not need to be contacted with the part body, and has high disassembly speed and high efficiency.
Description
Technical Field
The invention relates to the technical field of part disassembly, and particularly provides a bushing disassembling tool without a supporting structure.
Background
In the part assembly technology, when the parts are assembled in an interference mode, a plurality of tools are used for disassembling the parts, but when the parts are inconvenient to disassemble through the containing piece by means of force, no tool is available, and especially when the end face of the lining is not perpendicular to the axis of the lining, the disassembling work is difficult to carry out.
Disclosure of Invention
The purpose of the invention is as follows: a tool is provided that enables removal of a liner without support on a workpiece or part.
The technical scheme of the invention is as follows: the bushing dismounting tool without the supporting structure comprises a mandrel, a limiting sleeve, a joint, a pull rod and a mass block;
the limiting sleeve and the rear end of the mandrel are fixed into a whole, the front end of the mandrel is connected with one end of a pull rod through a joint, a mass block is matched on the pull rod in a sliding mode, a radial convex shoulder is formed at the other end of the pull rod, the radial convex shoulder limits the mass block in the axial direction, and the mass block is used for impacting the radial convex shoulder to form a tensile force;
the outer diameter of the limiting sleeve is smaller than the outer diameter of the bushing, and the outer diameter of the limiting sleeve is larger than the inner diameter of the bushing.
Furthermore, the stop collar is fixed with the rear end of the mandrel in a threaded fit manner.
Furthermore, the limiting sleeve and the rear end of the mandrel are fixed through a lock pin.
Further, the core shaft is in clearance fit with the inner hole of the bushing, and the clearance is smaller than 0.03 mm;
further, the joint is a universal joint or a joint bearing. The joint has certain angle adaptability, so that the pulling force forms a component in the axial direction of the bushing, and the joint is suitable for various dismounting environments, such as the situation that the dismounting position is offset relative to the axial direction of the bushing, or the bushing is obliquely arranged relative to the end surface.
Further, the pull rod is in spline fit with the mass block.
Furthermore, a buffer cushion is arranged between the mass block and the radial convex shoulder.
Furthermore, a protective baffle is fixed at one end of the pull rod, and the outer diameter of the baffle is larger than that of the bushing. For preventing the bushing from moving inertially in the axial direction.
The invention has the beneficial effects that: the workpiece or the part is not damaged or scratched in the disassembly process, the special-shaped surface part disassembly tool is suitable for the part with the special-shaped surface, does not need to be in contact with the part body, and is high in disassembly speed and high in efficiency.
Drawings
The illustrative examples, as well as a preferred mode of use, further objectives, and descriptions thereof, will best be understood by reference to the following detailed description of an example of the present invention when read in conjunction with the accompanying drawings, wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a tie rod according to embodiment 2;
wherein, the device comprises a pull rod 1, a mass block 2, a joint 3, a joint 4, a limiting sleeve 5 and a protective baffle 6.
Detailed Description
The disclosed examples will be described more fully with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Embodiment 1, referring to fig. 1-2, a bushing dismounting tool without a supporting structure is provided, which comprises a mandrel, a stop collar, a joint, a pull rod and a mass block;
the limiting sleeve and the rear end of the mandrel are fixed into a whole, the front end of the mandrel is connected with one end of a pull rod through a joint, a mass block is matched on the pull rod in a sliding mode, a radial convex shoulder is formed at the other end of the pull rod, the radial convex shoulder limits the mass block in the axial direction, and the mass block is used for impacting the radial convex shoulder to form a tensile force;
the outer diameter of the limiting sleeve is smaller than the outer diameter of the bushing, and the outer diameter of the limiting sleeve is larger than the inner diameter of the bushing.
The limiting sleeve and the rear end of the mandrel are fixed through a lock pin.
The joint is a universal joint or a joint bearing. The joint has certain angle adaptability, so that the pulling force forms a component in the axial direction of the bushing, and the joint is suitable for various dismounting environments, such as the situation that the dismounting position is offset relative to the axial direction of the bushing, or the bushing is obliquely arranged relative to the end surface.
Embodiments, referring to fig. 1-3, a bushing remover without a support structure is provided, which comprises a mandrel, a stop collar, a joint, a pull rod and a mass block;
the limiting sleeve and the rear end of the mandrel are fixed into a whole, the front end of the mandrel is connected with one end of a pull rod through a joint, a mass block is matched on the pull rod in a sliding mode, a radial convex shoulder is formed at the other end of the pull rod, the radial convex shoulder limits the mass block in the axial direction, and the mass block is used for impacting the radial convex shoulder to form a tensile force;
the outer diameter of the limiting sleeve is smaller than the outer diameter of the bushing, and the outer diameter of the limiting sleeve is larger than the inner diameter of the bushing.
The limiting sleeve and the rear end of the mandrel are fixed through a lock pin.
The joint is a universal joint or a joint bearing. The joint has certain angle adaptability, so that the pulling force forms a component in the axial direction of the bushing, and the joint is suitable for various dismounting environments, such as the situation that the dismounting position is offset relative to the axial direction of the bushing, or the bushing is obliquely arranged relative to the end surface.
The pull rod is in spline fit with the mass block.
And a buffer cushion is arranged between the mass block and the radial convex shoulder.
And a protective baffle is fixed at one end of the pull rod, and the outer diameter of the baffle is larger than that of the bushing. For preventing the bushing from moving inertially in the axial direction.
Different examples of the systems, devices, and methods disclosed herein include various components, features, and functions. It should be understood that the various examples of the systems, devices, and methods disclosed herein may include any of the components, features, and functions of any of the other examples of the systems, devices, and methods disclosed herein in any combination or sub-combination, and all such possibilities are intended to fall within the scope of the present invention.
The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages as compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a bushing extracting tool of no bearing structure which characterized in that: comprises a mandrel, a limiting sleeve, a joint, a pull rod and a mass block;
the core shaft is in clearance fit with the inner hole of the bushing, and the clearance is smaller than 0.03 mm;
the limiting sleeve and the rear end of the mandrel are fixed into a whole, the front end of the mandrel is connected with one end of a pull rod through a joint, a mass block is matched on the pull rod in a sliding mode, a radial convex shoulder is formed at the other end of the pull rod, the radial convex shoulder limits the mass block in the axial direction, and the mass block is used for impacting the radial convex shoulder to form a tensile force;
the outer diameter of the limiting sleeve is smaller than the inner diameter of the inner hole in interference fit with the bushing.
2. A unsupported structure bushing removal tool according to claim 1, wherein: the limiting sleeve is fixed with the rear end of the mandrel in a threaded fit mode.
3. A unsupported structure bushing removal tool according to claim 1, wherein: the limiting sleeve and the rear end of the mandrel are fixed through a lock pin.
4. A unsupported structure bushing removal tool according to claim 1, wherein: the joint is a universal joint or a joint bearing.
5. A unsupported structure bushing removal tool according to claim 1, wherein: the pull rod is in spline fit with the mass block.
6. A unsupported structure bushing removal tool according to claim 1, wherein: and a buffer cushion is arranged between the mass block and the radial convex shoulder.
7. A unsupported structure bushing removal tool according to claim 1, wherein: and a protective baffle is fixed at one end of the pull rod, and the outer diameter of the baffle is larger than that of the bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192750.5A CN112476324B (en) | 2020-10-30 | 2020-10-30 | Bush extracting tool without supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011192750.5A CN112476324B (en) | 2020-10-30 | 2020-10-30 | Bush extracting tool without supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112476324A true CN112476324A (en) | 2021-03-12 |
| CN112476324B CN112476324B (en) | 2022-09-02 |
Family
ID=74927612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011192750.5A Active CN112476324B (en) | 2020-10-30 | 2020-10-30 | Bush extracting tool without supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112476324B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106979A (en) * | 2022-06-27 | 2022-09-27 | 山西柴油机工业有限责任公司 | Long spacer hole dismouting bush device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684090A (en) * | 1948-04-07 | 1952-12-10 | Chicago Pneumatic Tool Co | Apparatus for removing or inserting engine cylinder liners or sleeves |
| CN203542523U (en) * | 2013-11-18 | 2014-04-16 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Novel pumping unit crank pin bush extractor |
| CN205111748U (en) * | 2015-11-25 | 2016-03-30 | 沈阳黎明航空发动机(集团)有限责任公司 | A device for dismantling certain aeroengine minor diameter thin -walled metal bush |
| CN210389052U (en) * | 2019-05-06 | 2020-04-24 | 潍柴动力股份有限公司 | Disassembly and assembly tool for camshaft bush |
| CN111230801A (en) * | 2020-03-11 | 2020-06-05 | 浙江浙能嘉华发电有限公司 | Tool for dismounting and mounting half coupling bush |
-
2020
- 2020-10-30 CN CN202011192750.5A patent/CN112476324B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684090A (en) * | 1948-04-07 | 1952-12-10 | Chicago Pneumatic Tool Co | Apparatus for removing or inserting engine cylinder liners or sleeves |
| CN203542523U (en) * | 2013-11-18 | 2014-04-16 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Novel pumping unit crank pin bush extractor |
| CN205111748U (en) * | 2015-11-25 | 2016-03-30 | 沈阳黎明航空发动机(集团)有限责任公司 | A device for dismantling certain aeroengine minor diameter thin -walled metal bush |
| CN210389052U (en) * | 2019-05-06 | 2020-04-24 | 潍柴动力股份有限公司 | Disassembly and assembly tool for camshaft bush |
| CN111230801A (en) * | 2020-03-11 | 2020-06-05 | 浙江浙能嘉华发电有限公司 | Tool for dismounting and mounting half coupling bush |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106979A (en) * | 2022-06-27 | 2022-09-27 | 山西柴油机工业有限责任公司 | Long spacer hole dismouting bush device |
| CN115106979B (en) * | 2022-06-27 | 2024-04-05 | 山西柴油机工业有限责任公司 | Long interval Kong Cazhuang bushing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112476324B (en) | 2022-09-02 |
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