CN108747961B - Dismounting device and dismounting method for shafting parts - Google Patents
Dismounting device and dismounting method for shafting parts Download PDFInfo
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- CN108747961B CN108747961B CN201810821428.0A CN201810821428A CN108747961B CN 108747961 B CN108747961 B CN 108747961B CN 201810821428 A CN201810821428 A CN 201810821428A CN 108747961 B CN108747961 B CN 108747961B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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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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- 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
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Abstract
The invention relates to a dismounting device and a dismounting method of shafting parts, comprising the following steps: the fixing panel is provided with a first through hole, the first through hole comprises a plurality of through holes with communicated apertures, the radiuses of at least two through holes are different, the first through hole is used for a shafting part to pass through, and the inner ring of the shafting part is abutted to the edge of the first through hole; or the end face of the shafting part is abutted against the edge of the first through hole; the fixed panel is fixed on the bracket; the base, the support is fixed on the base. The beneficial effects of the invention are as follows: the fixed panel is provided with a structure with various communicated apertures, so that the assembly and disassembly of shafting parts with various specifications are convenient; the flat tongs are also arranged, so that the flat key and the half-round key small part on the shafting part can be conveniently detached, the multifunctional integrated shaft is realized, the functions are complete, the structure is simple and compact, and the operation is convenient.
Description
Technical Field
The invention relates to the field of dismounting tools of mechanical equipment, in particular to a dismounting device special for dismounting shafting parts of a primary speed reducer and a secondary speed reducer.
Background
The speed reducer is a relatively precise machine composed of a gear transmission, a worm transmission and a gear-worm transmission which are enclosed in a rigid shell, and the power of the prime motor is meshed with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer to achieve the aim of speed reduction. The device has the functions of matching the rotating speed and transmitting the torque between the driving part and the working part or the actuating mechanism, and is widely used in the field of modern machinery. Meanwhile, the speed reducer is a typical engineering example in a mechanical transmission device, and a mechanical professional student often needs to detach various speed reducers in learning practice.
In the dismounting process of the speed reducer, the dismounting of the bearing, the gear and other parts of the axial system is particularly critical, and if the method for dismounting the parts of the axial system is not scientific, the shaft and other parts can be damaged, and even the shaft and other parts are scrapped. When the bearing on the shaft is disassembled, the disassembly pressure is required to be uniformly applied to the bearing inner ring; when the gear is disassembled, the end face of the gear is uniformly stressed, so that the disassembled bearing and the gear are not damaged.
In the prior art, most of tools for disassembling and assembling bearings are three-jaw puller, special bearing chucks and special presses for disassembling and assembling bearings. The three-jaw puller is a tool frequently used in mechanical maintenance, and Chinese patent CN201610381155.3 discloses a three-jaw bearing dismounting device, which comprises a fixed column, a thrust disc and clamping jaws, wherein the clamping jaws are adopted to dismount the bearing, so that the device is small in size and convenient to carry, but is inconvenient to use singly, and has the defects of poor flexibility and the like. The special bearing chuck is required to be equipped with chucks of different specifications, and the chucks are required to be replaced according to the size of the bearing during use, so that the disassembly efficiency is low. The precision of the press machine special for dismounting the bearing is higher than that of the two devices, but the press machine is usually larger in volume, inconvenient to move, higher in price and lower in configuration proportion.
Disclosure of Invention
The invention provides a dismounting device and a dismounting method for shafting parts, which aim to solve at least one technical problem in the prior art.
In order to achieve the purpose of the invention, the following technical scheme is adopted.
A device for removing shafting parts, comprising:
the fixing panel is provided with a first through hole, the first through hole comprises a plurality of through holes with communicated apertures, the radiuses of at least two through holes are unequal, the first through hole is used for a shafting part to pass through, and the inner ring of the shafting part is abutted to the edge of the first through hole; or the end face of the shafting part is abutted against the edge of the first through hole;
the fixed panel is fixed on the bracket;
the base, the support is fixed on the base.
In some of these embodiments, the stent comprises: the upper support piece, the upright post and the lower support piece are rectangular, the fixed panel is fixedly arranged on the upper support piece, the base is fixedly arranged on the lower support piece, and the upright post is fixedly arranged between the upper support piece and the lower support piece.
The setting makes dismouting device have corresponding height like this, convenient operation, and guarantees that the support has higher steadiness.
In some of these embodiments, the upper support includes a plurality of top walls and a plurality of side walls, with the stiffener disposed between adjacent top walls and first side walls. The structural strength of the upper support member can be enhanced to further provide stability of the bracket.
In some of these embodiments, the lower support member includes a plurality of second side walls and a plurality of bottom walls, the bottom walls and the base being provided with mounting holes through which the fastening device passes in turn. The structural strength of the lower support piece can be enhanced, and meanwhile, the installation flexibility of the lower support piece is improved, on one hand, the lower support piece can be fixed on the base through the fastening device, and the lower support piece can also be fixed in other places convenient for dismounting shafting parts.
In some embodiments, grooves for three-jaw pulling Ma Guding are formed around the fixing panel, so that the fixing panel can be matched with a three-jaw pulling horse to be used, and flexibility of assembling and disassembling shafting parts is improved.
In some embodiments, a flat tongs is arranged on the fixed panel, the flat tongs comprises a bottom plate, a switch device, a front plate, a jaw, a tailstock and a guide rail, the front plate and the tailstock are arranged on the bottom plate, the guide rail penetrates through the jaw to be matched with blind holes in the tailstock and the front plate, and the jaw is controlled to move between the tailstock and the front plate through the switch device. Realizing a plurality of purposes and having more complete functions.
In some embodiments, the switch device comprises a hand tightening bolt and a nut, the nut is fixedly arranged on one side of the front plate, which faces the jaw, the hand tightening bolt penetrates through the front plate and the nut and can be abutted in a blind hole of the jaw, brass sheets are arranged on one sides of the jaw, which face the tailstock, and the jaw is controlled to be clamped or loosened by rotating the hand tightening bolt. The method is particularly used for disassembling other parts on the shafting part.
In some embodiments, the mobile panel is movable on the fixed panel, and the mobile panel is provided with a second through hole, wherein the second through hole comprises a plurality of through holes with communicated apertures, and the radii of at least two through holes are different. The flexibility of disassembling and assembling shafting parts is further improved.
The invention also provides a disassembly and assembly method for disassembling and assembling shafting parts, and the specific technical scheme is as follows.
The dismounting method of the shafting part adopts the dismounting device of the shafting part, and comprises the following steps:
step S10: the shaft of the shafting part to be disassembled and assembled passes through the fixed panel;
step S20: selecting a proper through hole in the first through holes;
step S30: the inner ring of the shafting part is abutted against the edge of the first through hole; or the end face of the shafting part is abutted against the edge of the first through hole;
step S40: and disassembling the shafting part by using an auxiliary tool.
In some embodiments, the dismounting device further comprises a movable panel, the movable panel is movable on the fixed panel, a second through hole is formed in the movable panel, the second through hole comprises a plurality of through holes with communicated apertures, and radiuses of at least two through holes are different. The steps before step S30 are as follows:
step S101: the shaft of the shafting part to be disassembled and assembled passes through the movable panel and the fixed panel;
step S201: the axis of the shafting part is positioned at the center of the fixed panel;
step S202: and moving the movable panel to select the proper through hole in the second through holes.
The beneficial effects of the invention are as follows: the structure of communicating various apertures is designed on the fixed panel, so that through holes with proper sizes can be conveniently selected when the shafting parts with various specifications are disassembled and assembled; the flat tongs are also arranged, so that the flat key and the half-round key small part on the shafting part can be conveniently detached, the multifunctional integrated shaft is realized, the functions are complete, the structure is simple and compact, and the operation is convenient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a detachable device according to the present invention;
FIG. 2 is an exploded view of the dismounting device of the present invention;
FIG. 3 is a top view of the attachment and detachment device of the present invention;
FIG. 4 is an exploded view of the flat tongs of the dismounting device of the present invention;
FIG. 5 is a schematic diagram of the method of disassembly and assembly according to the present invention;
FIG. 6 is a schematic diagram of another method of disassembly and assembly according to the present invention;
the fixing panel-11, the first through hole-111, the groove-112, the moving panel-12, the second through hole-121, the bracket-2, the upper supporting piece-21, the top wall-211, the first side wall-212, the upright post-22, the lower supporting piece-23, the second side wall-231, the bottom wall-232, the reinforcing rib-24, the base-3, the flat tongs-4, the bottom plate-41, the hand tightening bolt-42, the nut-43, the front plate-44, the jaw-45, the tailstock-46, the guide rail-47, the brass sheet-48, the switching device-49 and the fastening device-5.
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. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Fig. 1-4 show a device for dismounting shafting parts provided by the invention, which comprises: the movable panel comprises a fixed panel-11, a movable panel-12, a bracket 2-2, a base-3, flat tongs-4 and a fastening device-5.
The shafting part of the invention includes, but is not limited to, bearings, gears, cams, etc., as long as the part is mounted on the shaft and a plurality of parts can rotate around the same rotation axis, i.e., the shafting part.
The fixing panel 11 has a first through hole 111 through which the shafting part passes, the inner ring of the shafting part is abutted against the edge of the first through hole 111, or the end face of the shafting part is abutted against the edge of the first through hole 111, the first through hole 111 is specifically composed of a plurality of circular through holes, the apertures of the circular through holes are communicated to form a large through hole, the radius of at least 2 through holes is unequal in the plurality of through holes, the radius of the adjacent through holes is gradually increased or gradually decreased from the middle to the two ends or from one end to the other end, and when the shafting part passes through a certain through hole of the first through hole 111 during disassembly, the shafting part is moved towards the direction of gradually decreasing the radius when the current through hole is too large so as to adapt to the proper through hole. The more the number of through holes of different radii, the more shafting parts that can be accommodated. Grooves 112 are formed around the fixing panel 11, and the shape of the grooves 112 is not limited to triangle, rectangle or circle, so long as three-jaw pull Ma Guding is available, which is within the protection scope of the present invention.
The fixed panel 11 is provided with a movable panel 12, the movable panel 12 has a second through hole for the shafting part to pass through, and the arrangement of the second through hole is the same as that of the first through hole 111, which is not described herein again.
The top corner of the fixed panel 11 is provided with a flat tongs 4, and the flat tongs 4 comprise a bottom board 41, a switch device 49, a front board 44, a jaw 45, a tailstock 46 and a guide rail 47. The front plate 44 and the tailstock 46 are fixedly arranged on the bottom plate 41, a jaw 45 is arranged between the front plate 44 and the tailstock 46, at least 2 through holes are formed in the jaw 45, a guide rail 47 penetrates through the through holes in the jaw 45, two ends of the guide rail 47 are respectively arranged in blind holes of the front plate 44 and the tailstock 46, a switching device 49 can control the jaw 45 to move between the front plate 44 and the tailstock 46 along the guide rail 47, and when the jaw 45 moves towards the tailstock 46, a flat key or a semicircular key between the jaw 45 and the tailstock 46 can be clamped; when the jaw 45 moves towards the front plate 44, a flat key or a semicircular key between the jaw 45 and the tailstock 46 can be loosened, brass sheets 48 are arranged on the opposite sides of the jaw 45 and the tailstock 46, and the clamping effect of the jaw 45 is enhanced. The switch device 49 comprises a hand tightening bolt 43 and a nut 43, wherein the nut 43 is fixedly arranged on one side of the front plate 44 facing the jaw 45, the hand tightening bolt 43 penetrates through the front plate 44 and the nut 43 and is abutted in a blind hole of the jaw 45, the hand tightening bolt 43 is rotated to control the jaw 45 to clamp or loosen, and the switch device is used for disassembling a flat key and a half key small part on a shafting part. Other switching means 49 may be provided as long as the jaw 45 is controlled to move between clamping and unclamping, all within the scope of the present invention.
The support is used for supporting fixed panel 11, and fixed setting is in fixed panel 11 below, and the support includes support piece, stand and lower support piece, and upper support piece is square, encloses the hollow structure who closes by 4 roof and forms, still is provided with the lateral wall at the roof lower extreme, is provided with strengthening rib 24 between roof and the lateral wall for support piece's steadiness in reinforcing. The invention provides 4 columns under the upper supporting member, which are fixedly installed at the inner sides of the adjacent side walls of the upper supporting member, and the number of the columns provided by the invention is 4, but can be other numbers, and the columns are only arranged between the upper supporting member and the lower supporting member and used for supporting the fixed panel 11 and/or the movable panel 12, and the columns are all within the protection scope of the invention. The lower support comprises a plurality of second side walls and a bottom wall 232, mounting holes are formed in the bottom wall 232 and the base 3, and the fastening device 5 sequentially penetrates through the base 3 and the mounting holes. The structural strength of the lower support piece can be enhanced, and meanwhile, the installation flexibility of the lower support piece is improved, on one hand, the lower support piece can be fixed on the base 3 through the fastening device 5, and also can be fixed in other places convenient for dismounting shafting parts.
Example 1
The dismounting device provided by the invention is adopted to examine the steps required to be experienced for dismounting the shafting parts.
Step S10: the shaft of the shafting part to be disassembled passes through the fixed panel 11.
Step S20: the appropriate one of the first through holes 111 is selected.
The first through hole 111 is specifically formed by a plurality of circular through holes, the apertures of the plurality of circular through holes are communicated to form a large through hole, the radius of at least 2 through holes in the plurality of through holes is unequal, the radius of each adjacent through hole is gradually increased or gradually decreased from the middle to the two ends or from one end to the other end, when the shaft system part passes through a certain through hole of the first through hole 111 in disassembly and assembly, and when the current through hole is too large, the shaft system part moves towards the direction of gradually decreasing the radius so as to adapt to the proper through hole. The more the number of through holes of different radii, the more shafting parts that can be accommodated.
Step S30: the inner ring of the shafting part is abutted against the edge of the first through hole 111; or the end face of the shafting part abuts against the edge of the first through hole 111.
The shafting part can be a bearing or a gear, when the bearing needs to be disassembled, the inner ring is abutted against the edge of the first through hole 111, and when the gear needs to be disassembled, the end face of the gear is abutted against the edge of the first through hole 111.
Step S40: and disassembling the shafting part by using an auxiliary tool.
And using auxiliary tools such as copper bars, sleeves and the like to detach the bearing or the gear.
Example two
The dismounting device further comprises a movable panel 12, the movable panel 12 is movable on the fixed panel 11, a second through hole 121 is formed in the movable panel 12, the second through hole 121 comprises a plurality of through holes with communicated apertures, and radiuses of at least two through holes are different. The steps before step S30 are as follows:
s101: the shaft of the shafting part to be disassembled passes through the movable panel 12 and the fixed panel 11.
The fixed panel 11 is provided with a movable panel 12, and the movable panel 12 is provided with a second through hole 121 for the shafting part to pass through. The shafting part sequentially passes through the first through hole 111 and the second through hole 121.
S201: the axis of the shafting part is located at the center of the fixed panel 11.
And the shafting part is moved, so that the axis of the shafting part is ensured to be positioned at the center of the fixed panel 11.
S202: moving the movable panel 12 to select an appropriate one of the second through holes 121
The movable panel 12 has a second through hole 121 for the shaft part to pass through, and the arrangement of the second through hole 121 is the same as that of the first through hole 111, which is not described herein.
Step S30: the inner ring of the shafting part is abutted against the edge of the first through hole 111; or the end face of the shafting part abuts against the edge of the first through hole 111.
The shafting part can be a bearing or a gear, when the bearing needs to be disassembled, the inner ring is abutted against the edge of the first through hole 111, and when the gear needs to be disassembled, the end face of the gear is abutted against the edge of the first through hole 111.
Step S40: and disassembling the shafting part by using an auxiliary tool.
And using auxiliary tools such as copper bars, sleeves and the like to detach the bearing or the gear.
Example III
S10-S30 are completed, and will not be described again herein, the three-jaw pull Ma Guding is placed in the groove 112 on the fixing panel, so as to replace the auxiliary tool to disassemble the shafting part.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention 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 utility model provides a dismouting device of shafting part which characterized in that includes:
the fixing panel is provided with a first through hole, the first through hole comprises a plurality of through holes with communicated apertures, the radiuses of at least two through holes are unequal, the first through hole is used for a shafting part to pass through, and the inner ring of the shafting part is abutted to the edge of the first through hole; or the end face of the shafting part is abutted against the edge of the first through hole;
the flat tongs comprise a bottom plate, a switch device, a front plate, a jaw, a tailstock and a guide rail, wherein the front plate and the tailstock are arranged on the bottom plate, the guide rail penetrates through the jaw to be matched with blind holes in the tailstock and the front plate, and the switch device controls the jaw to move between the tailstock and the front plate;
the fixed panel is fixed on the bracket;
the bracket is fixed on the base;
the movable panel is movable on the fixed panel, a second through hole is formed in the movable panel, the second through hole comprises a plurality of through holes with communicated apertures, and the radiuses of at least two through holes are different.
2. The shafting part dismounting device according to claim 1, wherein: the bracket comprises: go up support piece, stand and lower support piece, go up support piece with lower support piece all is the rectangle setting, fixed panel fixed set up in go up support piece, the base fixed set up in lower support piece, the stand fixed set up in go up support piece with between the lower support piece.
3. The shafting part dismounting device according to claim 2, wherein: the upper supporting piece comprises a plurality of top walls and a plurality of side walls, and reinforcing ribs are arranged between the adjacent top walls and the first side walls.
4. A shafting part dismounting device as claimed in claim 3, wherein: the lower support piece comprises a plurality of second side walls and a plurality of bottom walls, wherein the bottom walls and the base are provided with mounting holes, and the fastening device sequentially penetrates through the base and the mounting holes.
5. The shafting part dismounting device according to claim 1, wherein: grooves for three-jaw pulling Ma Guding are formed in the periphery of the fixed panel.
6. The shafting part dismounting device according to claim 1, wherein: the switch device comprises a hand tightening bolt and a nut, wherein the nut is fixedly arranged on one side of the front plate, which faces the jaw, the hand tightening bolt penetrates through the front plate and the nut and can be abutted into a blind hole of the jaw, brass sheets are arranged on opposite sides of the jaw and the tailstock, and the hand tightening bolt is rotated to control the jaw to clamp or loosen the tailstock.
7. A method for assembling and disassembling shafting parts, adopting the assembling and disassembling device for shafting parts as set forth in any one of claims 1 to 6, characterized by comprising the following steps:
step S10: passing the shaft of the shafting part to be disassembled through the fixed panel;
step S20: selecting a proper through hole in the first through holes;
step S30: abutting the inner ring of the shafting part to the edge of the first through hole; or the end face of the shafting part is abutted against the edge of the first through hole;
step S40: and disassembling the shafting part by using an auxiliary tool.
8. The method according to claim 7, wherein the dismounting device further comprises a moving panel, the moving panel is movable on the fixed panel, a second through hole is provided on the moving panel, the second through hole comprises a plurality of through holes with communicated apertures, the radii of at least two through holes are different, and the steps before step S30 are as follows:
step S101: the shaft of the shafting part to be disassembled and assembled passes through the movable panel and the fixed panel;
step S201: positioning the axis of the shafting part at the center of the fixed panel;
step S202: and moving the moving panel, and selecting a proper through hole in the second through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821428.0A CN108747961B (en) | 2018-07-24 | 2018-07-24 | Dismounting device and dismounting method for shafting parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810821428.0A CN108747961B (en) | 2018-07-24 | 2018-07-24 | Dismounting device and dismounting method for shafting parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108747961A CN108747961A (en) | 2018-11-06 |
| CN108747961B true CN108747961B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810821428.0A Active CN108747961B (en) | 2018-07-24 | 2018-07-24 | Dismounting device and dismounting method for shafting parts |
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| CN (1) | CN108747961B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202318200U (en) * | 2011-11-15 | 2012-07-11 | 山东六和集团有限公司 | Shaft body ejecting and drawing device |
| CN102615531A (en) * | 2012-03-27 | 2012-08-01 | 江苏技术师范学院 | Combined precise flat tongs |
| US8978221B1 (en) * | 2011-09-23 | 2015-03-17 | Dean S. Somerville | Puller device |
| CN205799394U (en) * | 2016-07-19 | 2016-12-14 | 宋德福 | A kind of bearing removal specific purpose tool |
| CN207465104U (en) * | 2017-09-06 | 2018-06-08 | 山东聊城鲁西化工第五化肥有限公司 | A kind of hydraulic screw extractor of Novel adjustable |
| CN208801295U (en) * | 2018-07-24 | 2019-04-30 | 顺德职业技术学院 | A kind of attaching/detaching apparatus of shafting components |
-
2018
- 2018-07-24 CN CN201810821428.0A patent/CN108747961B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8978221B1 (en) * | 2011-09-23 | 2015-03-17 | Dean S. Somerville | Puller device |
| CN202318200U (en) * | 2011-11-15 | 2012-07-11 | 山东六和集团有限公司 | Shaft body ejecting and drawing device |
| CN102615531A (en) * | 2012-03-27 | 2012-08-01 | 江苏技术师范学院 | Combined precise flat tongs |
| CN205799394U (en) * | 2016-07-19 | 2016-12-14 | 宋德福 | A kind of bearing removal specific purpose tool |
| CN207465104U (en) * | 2017-09-06 | 2018-06-08 | 山东聊城鲁西化工第五化肥有限公司 | A kind of hydraulic screw extractor of Novel adjustable |
| CN208801295U (en) * | 2018-07-24 | 2019-04-30 | 顺德职业技术学院 | A kind of attaching/detaching apparatus of shafting components |
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| Publication number | Publication date |
|---|---|
| CN108747961A (en) | 2018-11-06 |
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