CN105729387A - Complex pull-out mechanism - Google Patents
Complex pull-out mechanism Download PDFInfo
- Publication number
- CN105729387A CN105729387A CN201610276712.5A CN201610276712A CN105729387A CN 105729387 A CN105729387 A CN 105729387A CN 201610276712 A CN201610276712 A CN 201610276712A CN 105729387 A CN105729387 A CN 105729387A
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- China
- Prior art keywords
- outer ring
- cover plate
- tie
- extraction mechanism
- screw rod
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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
- 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
- B25B27/062—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 using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a complex pull-out mechanism. The complex pull-out mechanism comprises a bearing outer ring pull-out mechanism and a half shaft pull-out mechanism, and the bearing outer ring pull-out mechanism and the half shaft pull-out mechanism are arranged on a same supporting component (2) and in transmission connection with a same transmission component (1). The bearing outer ring pull-out mechanism further comprises a linkage component I and a bearing outer ring component (4), and the half shaft pull-out mechanism comprises a linkage component II and a half shaft (6). A screw rod (11) in the transmission component (1) is in a double-screw-direction thread structure, a left-hand thread section (112) of the screw rod (11) is in matched screw connection with the transmission component (1), and a right-hand thread section (111) of the screw rod (11) is in matched screw connection with the linkage component I or the linkage component II. The complex pull-out mechanism has the advantages of reasonable structural design, simple manufacturing process, convenience in use, safety, reliability, effectiveness in production efficiency improvement and significant reduction of production and use costs.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of extracting tool, especially for the repair outfit of electro-tricycle, be specifically related to a kind of compound extraction mechanism.
Background technology
At present, in flight-line maintenance operation, particularly tricycle semiaxis, bearing damage when.Owing to bearing and axle or bearing block are interference fit, bearing removal are gone out and just seems relatively difficult, and dismounting effect is often not good.In order to bearing outer ring and three-wheel semiaxis are disassembled, the method having three kinds of dismounting semiaxis and bearing outer ring in prior art: 1, directly dismantling change speed gear box, this method need to overturn or raise tricycle, not only wastes time and energy, lubricating oil easily leaks, but also bearing block or axle can be caused damage.2, drawing hammer dismounting, easily cause greatly semiaxis thread damage because of impulsive force, semiaxis thread damage will be unable to dismounting semiaxis, and same bearing outer ring also cannot be dismantled.3, the patent No. 201420403709.1 denomination of invention is the utility model patent of " provision for disengagement of a kind of semiaxis and bearing disassembling device and bearing outer ring ", structures shape designed by this patent, cannot use when half male thread is impaired, leading screw adopts single right-handed thread, semiaxis, operating difficulties can only be extracted at the situation backspin turn nut of dry friction, then to change coupling chuck when to pull out bearing outer ring, inefficiency, poor for applicability.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that " a kind of compound extraction mechanism ".This extraction mechanism has reasonable in design, manufacturing process simply, is that one is esy to use, safe and reliable, is effectively improved production efficiency, the extraction mechanism of production and application cost is greatly lowered.
To achieve these goals, the present invention is achieved through the following technical solutions: main technical scheme is, a kind of compound extraction mechanism, including the bearing outer ring extraction mechanism being arranged on same support component 2 and be in transmission connection with same transmission component 1 and semiaxis extraction mechanism.
Described bearing outer ring extraction mechanism also includes linkage unit I and bearing outer ring assembly 4, and described semiaxis extraction mechanism also includes linkage unit II and semiaxis 6.Leading screw 11 in described transmission component 1 is double rotational directions helicitic texture.The left-handed thread section 112 of described leading screw 11 is mated with transmission component 1 and is spirally connected, and right-handed thread section 111 is mated with linkage unit I or linkage unit II and is spirally connected.
Further technical scheme is, described transmission component 1 includes leading screw 11, feed screw nut 12 and thrust ball bearing 13.Described thrust ball bearing 13 is set on feed screw nut 12, and feed screw nut 12 mates with the left-handed thread section 112 of leading screw 11 and is spirally connected.
Further technical scheme is, described support component 2 includes support tube 21, support tube cover plate 211, spin-ended cover plate seat 22 and spin-ended cover plate 221.Being provided with pad 23 on spin-ended cover plate 221, spin-ended cover plate 221 is set on feed screw nut 12, is placed in six side positions of feed screw nut 12.The fastening of one end of described support tube 21 and support tube cover plate 211 couples, and described spin-ended cover plate seat 22 is fastenedly connected with spin-ended cover plate 221, adopts screw rod I to run through pad 23, spin-ended cover plate 221 and support tube cover plate 211 and links into an integrated entity structure.
Further technical scheme is, described linkage unit I includes outer ring arm-tie 31, at the hook plate 32 of outer ring arm-tie 31 setting symmetrical above and below and stud 33.Hook plate 32 is provided with mean for the screw rod connection holes 351 that screw rod II inserts, the insertion connection slot 331, the nut groove supplying stud 33 to couple with hook plate 32 and the gib head for coupling with bearing outer ring 42 grab that insert for stud 33.The right-handed thread section 111 of described outer ring arm-tie 31 and leading screw 11 is spirally connected.Screw rod II runs through screw rod connection holes 351 and is detachably fixed with outer ring arm-tie 31 and is connected.At outer ring arm-tie 31 hook plate 32 that is provided with symmetrical above and below, the hook plate 32 of setting symmetrical above and below is detachably fixed connection by stud 33 and nut 34.
Further technical scheme is, described bearing outer ring assembly 4 includes fuse-box 41 and semiaxis outer sleeve 43.Bearing outer ring 42 elastic conjunction is on semiaxis outer sleeve 43.The other end of support tube 21 contacts supporting construction with fuse-box 41 for compressing.
Further technical scheme is, described linkage unit II includes coupling arm-tie 52 and halfnut 53, and the right-handed thread section 111 coupling arm-tie 52 and leading screw 11 is spirally connected.The two ends of connection arm-tie 52 are detachably fixed by the two ends of screw rod III with halfnut 53 and are connected, and halfnut 53 screws on semiaxis 6, and screw rod IV is used for connecting halfnut about 53 two parts.
The present invention compared with prior art has the advantage that
1, this extraction mechanism has reasonable in design, manufacturing process simply, is that one is esy to use, safe and reliable, is effectively improved production efficiency, the extraction mechanism of production and application cost is greatly lowered.
2, because leading screw is double rotational directions helicitic texture, couple arm-tie when leading screw dextrorotation and couple fastening with leading screw reliably, it is ensured that extract semiaxis, pull out semiaxis and do not restricted by half male thread quality, easy to use, dismantle time saving and energy saving, reliable operation, service efficiency height.
3, because of adopt screw rod connect the upper and lower two parts of halfnut, can timely adjustment internal diameter size, further ensure that the reliability coupled with semiaxis.
4, because being provided with the gib head being connected with bearing outer ring grab on hook plate；Thus structure guarantees reliably extracting of bearing outer ring.
5, by outer ring arm-tie, hook plate design structure and draw bail determine, its duty is adjustable according to bearing size, is suitable to the use of different model bearing, it is not necessary to change chuck, not only work time saving and energy saving, and be effectively improved labor efficiency, economical and practical.
6, because adopting thrust ball bearing in transmission component, using the friction of rolling friction alternative dry, frictional resistance is little, not only reduces labor intensity, and reality is handling by force.
Accompanying drawing explanation
Fig. 1 is the bearing outer ring extraction mechanism structural representation of the present invention.
Fig. 2 is the semiaxis extraction mechanism structural representation of the present invention.
Fig. 3 is the screw structure schematic diagram of the present invention.
Fig. 4 is the halfnut structural representation of the present invention.
Fig. 5 is the screw-nut structure schematic diagram of the present invention.
Fig. 6 is the support tube covering plate structure schematic diagram of the present invention.
Fig. 7 is the hook plate structural representation of the present invention.
Fig. 8 is the spin-ended covering plate structure schematic diagram of the present invention.
Fig. 9 is the outer ring pulling plate structure schematic diagram of the present invention.
Figure 10 is the connection pulling plate structure schematic diagram of the present invention.
nullIn figure: 1、Transmission component，11、Leading screw，111、Right-handed thread section，112、Left-handed thread section，113、Position pulled by spanner，12、Feed screw nut，13、Thrust ball bearing，2、Prop up support component，21、Support tube，211、Support tube cover plate，22、Spin-ended cover plate seat，221、Spin-ended cover plate，23、Pad，24、Screw rod I，3、Linkage unit I，31、Outer ring arm-tie，311、Outer ring arm-tie insertion groove，312、Screw rod II insertion groove，32、Hook plate，33、Stud，331、Stud connection slot，34、Nut，35、Screw rod II，351、Screw rod II connection holes，4、Bearing outer ring assembly，41、Fuse-box，42、Bearing outer ring，43、Semiaxis outer sleeve，5、Linkage unit II，51、Screw rod III，511、Screw rod III connection holes，52、Couple arm-tie，53、Halfnut，54、Screw rod IV，6、Semiaxis.
Detailed description of the invention
Below by non-limiting example, the present invention is expanded on further, understands the present invention.
Embodiment 1
Bearing outer ring extraction mechanism.
The present invention is such as shown in Fig. 1, Fig. 3, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, bearing outer ring extraction mechanism.Including transmission component 1, a support component 2, linkage unit I and bearing outer ring assembly 4.Described transmission component 1 includes leading screw 11, feed screw nut 12 and thrust ball bearing 13.Described leading screw 11 is double rotational directions equal pitch thread structure, and described thrust ball bearing 13 is set on feed screw nut 12, and feed screw nut 12 mates with the left-handed thread section 112 of leading screw 11 and is spirally connected.
Described support component 2 include support tube 21, at the support tube cover plate 211 of support tube 21 setting symmetrical above and below, spin-ended cover plate seat 22 and spin-ended cover plate 221.Spin-ended cover plate 221 is provided with pad 23, to limit feed screw nut 12 axial motion.Spin-ended cover plate 221 is set on feed screw nut 12, is placed in six side positions of feed screw nut 12, rotates limiting feed screw nut 12.One end of described support tube 21 and support tube cover plate 211 are welded to connect, and described spin-ended cover plate seat 22 is welded to connect with spin-ended cover plate 221, adopt screw rod I to run through pad 23, spin-ended cover plate 221 and support tube cover plate 211 link into an integrated entity structure.
Described linkage unit I includes outer ring arm-tie 31, at the hook plate 32 of outer ring arm-tie 31 setting symmetrical above and below and stud 33.Hook plate 32 is provided with mean for screw rod II connection holes 351, the nut groove supplying stud 33 to connect and the gib head for being connected with bearing outer ring 42 grab that screw rod II inserts；The right-handed thread section 111 of described outer ring arm-tie 31 and leading screw 11 spins, screw rod II runs through screw rod II connection holes 351 and is detachably fixed with outer ring arm-tie 31 and is connected, and the hook plate 32 in outer ring arm-tie 31 setting symmetrical above and below is detachably fixed connection by stud 33 and nut 34.
Described bearing outer ring assembly 4 includes fuse-box 41 and semiaxis outer sleeve 43, and bearing outer ring 42 elastic conjunction is on semiaxis outer sleeve 43, and the other end of support tube 21 contacts supporting construction with fuse-box 41 for compressing.
Embodiment 2
Semiaxis extraction mechanism.
The present invention as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 8, Figure 10,
A kind of semiaxis extraction mechanism, structure set by transmission component 1, a support component 2 is identical with embodiment 1,
Institute is the difference is that being additionally provided with linkage unit II, and described linkage unit II includes coupling arm-tie 52 and halfnut 53.The right-handed thread section 111 coupling arm-tie 52 and leading screw 11 is spirally connected, and the two ends of connection arm-tie 52 are detachably fixed by the two ends of screw rod III with halfnut 53 and are connected, and halfnut 53 screws on semiaxis 6, and screw rod IV is used for connecting halfnut about 53 two parts.
The present invention adopts forging and machining to manufacture.
Material used by leading screw, nut and hook plate is No. 45 steel, cover plate and material used by support tube is Q235 steel.
The present invention uses operating process.
One, semiaxis withdrawal process
When 1, pulling out semiaxis, the left-handed thread section of leading screw and feed screw nut are spirally connected, and right-handed thread section is spirally connected with coupling arm-tie；
2, coupling arm-tie to be run through screw rod III connection holes 511 coupled with halfnut by screw rod III, halfnut passes through screw rod IV and is locked on semiaxis；
3, when leading screw is to right rotation, turning tighter and tighter with coupling arm-tie, it is left-handed for should be feed screw nut, now produces axial displacement with leading screw, tension force occurs, and the strength of feed screw nut is delivered on fuse-box by support tube, and leading screw, to cylinder outer displacement, extracts semiaxis.
Two, bearing outer ring withdrawal process
1, linkage unit II is replaced by linkage unit I；
2, outer ring arm-tie screws in the right-handed thread section of leading screw, and hook plate and outer ring arm-tie run through outer ring arm-tie insertion groove 311 by screw rod II and screw rod II insertion groove 312 is connected into one,
3, stud runs through upper and lower hook plate stud connection slot 331, connect by nut 34 is fixing, regulate the position of 4 nuts 34 and import semiaxis trocar sheath, after the bearing outer ring of hook jail, tighten up screw rod II again through nut, regulate the position of 4 nuts 34 to realize regulating upper and lower hook plate spacing size；
4, feed screw nut left-handed enter after leading screw stress, first unload 2 screw rods I, take out spin-ended cover plate, pad and spin-ended cover plate seat；
5, position 113 pulled by the spanner of the fixing leading screw of proficiency spanner, does not allow leading screw rotate；
6, the left-handed feed screw nut of proficiency spanner, support tube is pressed on fuse-box, and bearing outer ring then can be extracted by leading screw to support tube outer displacement from semiaxis trocar sheath.
Through implementing use, the designed semiaxis manufactured of the present invention and bearing outer ring extraction mechanism meet instructions for use, reach and realize the goal of the invention of the present invention, effectively overcome shortcoming existing in prior art.
In sum, it is simple that the present invention has reasonable in design, manufacturing process, economy, practical, be a kind of esy to use, safe and reliable, be effectively improved production efficiency, the extraction mechanism of production and application cost is greatly lowered.
Claims (6)
1. a compound extraction mechanism, including being arranged on that same support component (2) be upper and the bearing outer ring extraction mechanism that is in transmission connection with same transmission component (1) and semiaxis extraction mechanism, it is characterized in that, described bearing outer ring extraction mechanism also includes linkage unit I (3) and bearing outer ring assembly (4), described semiaxis extraction mechanism also includes linkage unit II (5) and semiaxis (6), leading screw (11) in described transmission component (1) is double rotational directions helicitic texture, the left-handed thread section (112) of described leading screw (11) is mated with transmission component (1) and is spirally connected, right-handed thread section (111) is mated with linkage unit I (3) or linkage unit II (5) and is spirally connected.
2. the compound extraction mechanism of one according to claim 1, it is characterized in that, described transmission component (1) includes leading screw (11), feed screw nut (12) and thrust ball bearing (13), described thrust ball bearing (13) is set on feed screw nut (12), and feed screw nut (12) mates with the left-handed thread section (112) of leading screw (11) and is spirally connected.
3. the compound extraction mechanism of one according to claim 1, it is characterized in that, described support component (2) includes support tube (21), support tube cover plate (211), spin-ended cover plate seat (22) and spin-ended cover plate (221), spin-ended cover plate (221) is provided with pad (23), spin-ended cover plate (221) is set on feed screw nut (12), it is placed in six side positions of feed screw nut (12), one end of described support tube (21) couples with support tube cover plate (211) fastening, described spin-ended cover plate seat (22) and spin-ended cover plate (221) are fastenedly connected, screw rod I (24) is adopted to run through pad (23), spin-ended cover plate (221) and support tube cover plate (211) link into an integrated entity structure.
null4. the compound extraction mechanism of one according to claim 1，It is characterized in that，Described linkage unit I (3) includes outer ring arm-tie (31)、Hook plate (32) and stud (33) in outer ring arm-tie (31) setting symmetrical above and below，Hook plate (32) is provided with mean for the screw rod connection holes (351) that screw rod II (35) inserts、For the insertion connection slot (331) that stud (33) inserts、The nut groove coupled with hook plate (32) for stud (33) and the gib head for coupling with bearing outer ring (42) grab，The right-handed thread section (111) of described outer ring arm-tie (31) and leading screw (11) is spirally connected，Screw rod II (35) runs through screw rod connection holes (351) and is detachably fixed with outer ring arm-tie (31) and is connected，It is provided with hook plate (32) outer ring arm-tie (31) is symmetrical above and below，The hook plate (32) of setting symmetrical above and below is detachably fixed connection by stud (33) and nut (34).
5. the compound extraction mechanism of one according to claim 1, it is characterized in that, described bearing outer ring assembly (4) includes fuse-box (41) and semiaxis outer sleeve (43), bearing outer ring (42) elastic conjunction is on semiaxis outer sleeve (43), and the other end of support tube (21) contacts supporting construction with fuse-box (41) for compressing.
6. the compound extraction mechanism of one according to claim 1, it is characterized in that, described linkage unit II (5) includes coupling arm-tie (52) and halfnut (53), the right-handed thread section (111) coupling arm-tie (52) and leading screw (11) is spirally connected, the two ends of connection arm-tie (52) are detachably fixed by the two ends of screw rod III (51) with halfnut (53) and are connected, halfnut (53) screws on semiaxis (6), and screw rod IV (54) is used for connecting halfnut (53) two parts up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610276712.5A CN105729387A (en) | 2016-04-29 | 2016-04-29 | Complex pull-out mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610276712.5A CN105729387A (en) | 2016-04-29 | 2016-04-29 | Complex pull-out mechanism |
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| CN105729387A true CN105729387A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610276712.5A Pending CN105729387A (en) | 2016-04-29 | 2016-04-29 | Complex pull-out mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145646A (en) * | 2017-11-21 | 2018-06-12 | 北京北方车辆智能装备技术有限公司 | A kind of hole elastic spring quick extracting device |
| CN109968278A (en) * | 2019-04-29 | 2019-07-05 | 山东大学深圳研究院 | Bicycle crank and the synchronous extracting tool of crank screw |
| CN113787489A (en) * | 2021-09-08 | 2021-12-14 | 陕西法士特齿轮有限责任公司 | Dual-purpose bearing frock of dismouting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701649A (en) * | 1996-04-16 | 1997-12-30 | Hydra-Tech International Corporation | Coupled draft key puller |
| US5931231A (en) * | 1996-06-27 | 1999-08-03 | Bucyrus International, Inc. | Blast hole drill pipe gripping mechanism |
| CN2411086Y (en) * | 2000-02-25 | 2000-12-20 | 赖锦溢 | Morse taper-shank handle separator |
| CN2411874Y (en) * | 2000-01-05 | 2000-12-27 | 胜利石油管理局孤东采油厂 | Crank pin puller of beam unit |
| CN201304633Y (en) * | 2008-10-31 | 2009-09-09 | 中国石油化工股份有限公司河南油田分公司第二采油厂 | Bush removing device |
| CN204976514U (en) * | 2015-09-14 | 2016-01-20 | 杨永祥 | Extracting tool of semi -axis and semi -axis upper bearing |
| CN205572322U (en) * | 2016-04-29 | 2016-09-14 | 吴玉林 | Compound mechanism of extracting |
-
2016
- 2016-04-29 CN CN201610276712.5A patent/CN105729387A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5701649A (en) * | 1996-04-16 | 1997-12-30 | Hydra-Tech International Corporation | Coupled draft key puller |
| US5931231A (en) * | 1996-06-27 | 1999-08-03 | Bucyrus International, Inc. | Blast hole drill pipe gripping mechanism |
| CN2411874Y (en) * | 2000-01-05 | 2000-12-27 | 胜利石油管理局孤东采油厂 | Crank pin puller of beam unit |
| CN2411086Y (en) * | 2000-02-25 | 2000-12-20 | 赖锦溢 | Morse taper-shank handle separator |
| CN201304633Y (en) * | 2008-10-31 | 2009-09-09 | 中国石油化工股份有限公司河南油田分公司第二采油厂 | Bush removing device |
| CN204976514U (en) * | 2015-09-14 | 2016-01-20 | 杨永祥 | Extracting tool of semi -axis and semi -axis upper bearing |
| CN205572322U (en) * | 2016-04-29 | 2016-09-14 | 吴玉林 | Compound mechanism of extracting |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145646A (en) * | 2017-11-21 | 2018-06-12 | 北京北方车辆智能装备技术有限公司 | A kind of hole elastic spring quick extracting device |
| CN108145646B (en) * | 2017-11-21 | 2019-09-17 | 北京北方车辆智能装备技术有限公司 | A kind of hole elastic spring quick extracting device |
| CN109968278A (en) * | 2019-04-29 | 2019-07-05 | 山东大学深圳研究院 | Bicycle crank and the synchronous extracting tool of crank screw |
| CN113787489A (en) * | 2021-09-08 | 2021-12-14 | 陕西法士特齿轮有限责任公司 | Dual-purpose bearing frock of dismouting |
| CN113787489B (en) * | 2021-09-08 | 2023-03-10 | 陕西法士特齿轮有限责任公司 | Dual-purpose bearing frock of dismouting |
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Application publication date: 20160706 |
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