CN101829974B - Heating vibration screw extractor - Google Patents
Heating vibration screw extractor Download PDFInfo
- Publication number
- CN101829974B CN101829974B CN 201010199006 CN201010199006A CN101829974B CN 101829974 B CN101829974 B CN 101829974B CN 201010199006 CN201010199006 CN 201010199006 CN 201010199006 A CN201010199006 A CN 201010199006A CN 101829974 B CN101829974 B CN 101829974B
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- push rod
- vibrator
- screw extractor
- disassembled
- parts
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a screw extractor, in particular to a heating vibration screw extractor. The invention solves the problem that the existing screw extractor is hard to disassemble some shaft fastening pieces with tight fitness. The heating vibration screw extractor comprises a mandrel and a falcula connected with the mandrel, wherein a vibrator with adjustable vibration frequency is arranged on the top of the mandrel; the screw extractor also comprises a group of high frequency induction heaters, wherein a magnet is arranged on one end of each high frequency induction heater. When in use, the high frequency induction heaters heat the outer surfaces of the parts to be disassembled so as to reduce the interference degree between the parts to be disassembled; and the parts to be disassembled perform strong resonance vibration under the action of the vibrator so as to greatly reduce the friction force between the parts to be disassembled. In order to solve the situation that the friction force between the parts to be disassembled is too large, the vibrator is installed on the mandrel of the screw extractor of the invention to perform forced vibration of the parts to be disassembled and the heating device is added on the screw extractor, thus greatly reducing the friction force between the parts to be disassembled and solving the condition that the original screw extractor is hard to be used for disassembly.
Description
Technical field
The present invention relates to draw horse, be specially a kind of heating vibration screw extractor.
Background technology
Draw horse to be also referred to as thruster, be widely used in dismantling axles such as various shaft couplings, gear, bearing, belt pulley and go up fastenings, it is made up of with the hook two parts that are connected (or hinged) with push rod push rod; Push rod is divided into screw rod and two kinds of forms of jack, and hook is divided into two kinds of two pawl formulas and three-pawl types, catches the object that draws with hook during use; Rotary screw formula push rod or eject the jack type push rod; Push rod is steadily advanced forward, and claw hook is corresponding to be retreated, being drawn object to pull out.
Existing draw horse when some cooperate on the axle of pine fastenings in dismounting very convenient effectively; But some cooperate on the tighter axle especially unusual difficulty sometimes during larger-size part of fastenings in dismounting; Reason is owing to the excessive frictional force that causes of the assembling magnitude of interference between the demolition part is very big; The pulling capacity of drawing horse to produce is not enough to overcome this frictional force, so demolition part can not be pulled out.Because resistance is crossed ambassador's hook can not be with being drawn object normally to pull out; Can not normally eject owing to push rod simultaneously; Make La Manei accumulate a large amount of mechanical energy, possibly cause accident, serious threat site operation personnel's safety and the safety that is disassembled equipment such as being drawn object fracture or hook unhook.
Summary of the invention
The present invention draws horse to be difficult to dismantle the problem that the tighter axle of some cooperations is gone up fastenings in order to solve to have now, and a kind of heating vibration screw extractor is provided.
The present invention adopts following technical scheme to realize: heating vibration screw extractor; Comprise push rod and the hook that is connected with push rod; The adjustable vibrator of vibration frequency is installed in the end of push rod, also comprises one group of high frequency induction heater simultaneously, an end of each high frequency induction heater is equipped with magnet.During use; Earlier high frequency induction heater is adsorbed on the surface of demolition part; According to the size on the surface of demolition part or the requirement of programming rate, the high frequency induction heater of absorption respective numbers, heating vibration screw extractor is connected with demolition part and grants suitable pretightning force then; Vibrator and push rod become to vibrate simultaneously, produce simultaneously the integral body of resonance, and will vibrate, resonate and pass to demolition part through push rod, hook.Connect high frequency induction current; The outer surface of demolition part is heated rapidly; Keep temperature-resistant and the axle that is disassembled is basic, under the effect of expanding with heat and contract with cold, demolition part expands and axle does not expand; Degree of interference fit between the demolition part is descended, thereby significantly reduce the frictional force between the demolition part; Connect the power supply of vibrator simultaneously; The adjustment both oscillator frequency; When vibration frequency was adjusted to the resonant frequency scope of demolition part, demolition part produced strong resonance, and the frictional force between the demolition part further declines to a great extent; At this moment drawing the application of force on the push rod of horse, demolition part will be by light separation.
The present invention is directed to the excessive situation of frictional force between the demolition part; Be employed in the mode of vibrator forced vibration demolition part being installed and setting up heater on the horse push rod of drawing; Significantly reduce the frictional force between the demolition part, thereby solve original situation of drawing horse dismounting difficulty.The present invention draws horse to compare with tradition; Can significantly reduce the frictional force between the demolition part; Thereby significantly reduce the pulling capacity of drawing horse, can protect the safety of demolition part and site operation personnel's personal safety, simultaneously because the significantly raising of this heating vibration screw extractor ability to work; The drawing ability specification of in the middle of same field-strip, drawing horse to compare heating vibration screw extractor with tradition descends 80%; Thereby make the corresponding minimizing 80% of the volume and weight that draws horse, significantly reduce the cost of equipment that draws horse, alleviate the labour intensity of drawing operation.Its reasonable structural design had both guaranteed vibrator forced vibration demolition part, guaranteed that again vibrator avoids excessive pressure and damage; Simultaneously; Heater is made as independently blockage (being that heater is one group of high frequency induction heater) of heating system; One end setting-in magnet can be installed the respective numbers heater according to the different appearance and sizes of heating object during use, to guarantee to add heat, programming rate; This structural design is novel, unique, easy to use.
Description of drawings
Fig. 1 is a kind of concrete structure sketch map of heating vibration screw extractor of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the another kind of concrete structure sketch map (having preload ring) of heating vibration screw extractor of the present invention;
Fig. 4 is the partial structurtes enlarged drawing of Fig. 3;
Among the figure: the 1-jack, the 2-push rod, the 3-vibrator, the 4-hook, the 5-demolition part, the axle of 6-demolition part, the 7-high frequency induction heater, the 8-locking slot, 9-is top, 10-spring, 11-preload ring.
The specific embodiment
Embodiment 1
Like Fig. 3, shown in 4; Heating vibration screw extractor comprises push rod 2 and the hook 4 that is connected with push rod 2, and the adjustable vibrator of vibration frequency 3 is installed in the end of push rod 2; Also comprise one group of high frequency induction heater 7 simultaneously, an end of each high frequency induction heater 7 is equipped with magnet.Push rod 2 is the form of jack 1 in this specific embodiment.
Described high frequency induction heater 7 adopts existing product.The vibrator 3 that described vibration frequency is adjustable adopts existing product; The vibrator 3 that vibration frequency is adjustable is processed ring-type; Push rod 2 ends are provided with the step that radially attenuates, and the vibrator 3 of ring-type is placed on the taper portion of push rod 2 ends, on push rod 2, are with the preload ring 11 that is threaded with the non-taper portion of push rod; Preload ring turns downwards during use; Make and draw the horse push rod through suitable pretightning force is arranged between preload ring and the vibrator, thereby vibrator and push rod are become can be vibrated simultaneously, produce the integral body of resonance simultaneously, and will vibrate, resonate and pass to demolition part 5 through push rod, hook.And push rod end taper portion end face contacts with the end face of the axle of demolition part and bears bigger extruding force at this moment, thereby avoids vibrator to bear excessive pressure, can protect vibrator not damaged by pressure better.
For realizing the location of heating vibration screw extractor, prevent that promptly heating vibration screw extractor is shifted in the course of the work, have the hole at push rod 2 end faces, fixing in the hole has spring 10, and the end of spring 10 is fixed with top 9.During use top 9 withstand on demolition part the axle end face on the taper machining hole in, thereby prevent heating vibration screw extractor in the course of the work demolition part the axle the end face superior displacement.Have locking slot 8 in hook 4 outsides, during use, be embedded in locking steel cable hoop, guarantee that hook can not separate with demolition part 5 to come off, to increase safety in utilization at the locking slot 8 of each hook.
During use, earlier high frequency induction heater 7 is adsorbed on the surface of demolition part 5, according to the size on the surface of demolition part or the requirement of programming rate; The high frequency induction heater of absorption respective numbers, heating vibration screw extractor is connected with demolition part and grants suitable pretightning force then, and preload ring turns downwards; Make and draw the horse push rod through suitable pretightning force is arranged between preload ring and the vibrator, connect high frequency induction current, the outer surface of demolition part is heated rapidly; Keep temperature-resistant and the axle of demolition part 6 is basic, under the effect of expanding with heat and contract with cold, demolition part expands and axle does not expand; Degree of interference fit between the demolition part is descended, thereby significantly reduce the frictional force between the demolition part, connect vibrator power supply simultaneously; The adjustment both oscillator frequency; When vibration frequency was adjusted to the resonant frequency scope of demolition part 5, demolition part produced strong resonance, and the frictional force between the axle 6 of demolition part 5 and demolition part further declines to a great extent; At this moment drawing the application of force on the push rod of horse, demolition part 5 will be by light separation.
Like Fig. 1, shown in 2; Vibration drawbench comprises push rod 2 and the hook 4 that is connected with push rod 2, and the adjustable vibrator of vibration frequency 3 is installed in the end of push rod 2; Also comprise one group of high frequency induction heater 7 simultaneously, an end of each high frequency induction heater 7 is equipped with magnet.Push rod 2 is the form of jack 1 in this specific embodiment.
Described high frequency induction heater 7 adopts existing product.The vibrator 3 that described vibration frequency is adjustable adopts existing product; The vibrator 3 that vibration frequency is adjustable is processed ring-type; Push rod 2 ends are provided with the step that radially attenuates; The vibrator 3 of ring-type is placed on the taper portion of push rod 2 ends; The length of push rod taper portion is less than the difference of the length of the thickness of ring-type vibrator thickness and ring-type vibrator and the push rod taper portion strain size less than vibrator, and during practical implementation, poor (length of push rod taper portion is less than the ring-type vibrator thickness) of the length of the thickness of ring-type vibrator and push rod taper portion is 0.1-0.3mm.During use; Heating vibration screw extractor is connected with demolition part and grants suitable pretightning force; The push rod 2 of heating vibration screw extractor moves downward; Make the end face of axle 6 of end face and demolition part of push rod 2 contact, ring-type vibrator 3 generation strain under push rod 2 radially attenuates the extruding of step simultaneously, making to draw has suitable pretightning force between horse push rod and the vibrator; Thereby vibrator and push rod are become can be vibrated simultaneously, produce the integral body that resonates simultaneously, and will vibrate, resonate and pass to demolition part 5 through push rod, hook.And push rod end taper portion end face contacts with the end face of the axle of demolition part and bears bigger extruding force at this moment, thereby avoids vibrator to bear excessive pressure, can protect vibrator not damaged by pressure better.
Other is identical with embodiment 1.
Claims (4)
1. heating vibration screw extractor; Comprise push rod (2) and the hook (4) that is connected with push rod (2); In the end of push rod (2) the adjustable vibrator of vibration frequency (3) is installed; It is characterized by: also comprise one group of high frequency induction heater (7) simultaneously, an end of each high frequency induction heater (7) is equipped with magnet; The vibrator that vibration frequency is adjustable (3) is processed ring-type; Push rod (2) end is provided with the step that radially attenuates; The vibrator of ring-type (3) is placed on the taper portion of push rod (2) end, and the length of push rod taper portion is less than the difference of the length of the thickness of ring-type vibrator thickness and ring-type vibrator and the push rod taper portion strain size less than vibrator.
2. heating vibration screw extractor according to claim 1 is characterized by: the difference of the length of the thickness of ring-type vibrator and push rod taper portion is 0.1-0.3mm.
3. heating vibration screw extractor according to claim 1 and 2 is characterized by: have the hole at push rod (2) end face, fixing in the hole has spring (10), and the end of spring (10) is fixed with top (9).
4. heating vibration screw extractor according to claim 1 and 2 is characterized by: have locking slot (8) in hook (4) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010199006 CN101829974B (en) | 2010-06-12 | 2010-06-12 | Heating vibration screw extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010199006 CN101829974B (en) | 2010-06-12 | 2010-06-12 | Heating vibration screw extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101829974A CN101829974A (en) | 2010-09-15 |
| CN101829974B true CN101829974B (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010199006 Expired - Fee Related CN101829974B (en) | 2010-06-12 | 2010-06-12 | Heating vibration screw extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101829974B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108145651A (en) * | 2017-12-26 | 2018-06-12 | 中国航发哈尔滨轴承有限公司 | A kind of magnetic-type bearing disassembling device |
| CN110842859B (en) * | 2019-12-10 | 2021-07-02 | 义乌市佳倩科技有限公司 | Hydraulic wheel drawing machine |
| CN114918866B (en) * | 2022-05-06 | 2023-09-26 | 中广核核电运营有限公司 | Drawing device and drawing system comprising same |
| CN115383398B (en) * | 2022-10-27 | 2023-01-13 | 山东鲁宇重工机械制造有限公司 | Quick mounting tool of bearing for loader |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053696U (en) * | 1989-06-27 | 1990-02-28 | 北京市联企业现代化系统工程开发公司 | Bearing race induction heating apparatus using microcomputer to control temp. |
| CN1504300A (en) * | 2002-11-29 | 2004-06-16 | 上海神模电气有限公司 | Integral hydraulic drawing device |
| CN2722553Y (en) * | 2004-09-03 | 2005-08-31 | 李洪国 | Heater of shaft sleeve |
| JP4377996B2 (en) * | 1999-08-26 | 2009-12-02 | 東電工業株式会社 | Pulling device for bearings, etc. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417953Y (en) * | 2000-05-11 | 2001-02-07 | 盐城市机床厂 | Centre |
| KR20050040368A (en) * | 2003-10-28 | 2005-05-03 | 주식회사 포스코 | Apparatus for removing a bearing from a roll sfaft with easy |
| US7669306B2 (en) * | 2007-12-04 | 2010-03-02 | Waldemar Palka | Gear puller |
| CN201720810U (en) * | 2010-06-12 | 2011-01-26 | 太原煤气化股份有限公司 | Heating vibration puller |
-
2010
- 2010-06-12 CN CN 201010199006 patent/CN101829974B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2053696U (en) * | 1989-06-27 | 1990-02-28 | 北京市联企业现代化系统工程开发公司 | Bearing race induction heating apparatus using microcomputer to control temp. |
| JP4377996B2 (en) * | 1999-08-26 | 2009-12-02 | 東電工業株式会社 | Pulling device for bearings, etc. |
| CN1504300A (en) * | 2002-11-29 | 2004-06-16 | 上海神模电气有限公司 | Integral hydraulic drawing device |
| CN2722553Y (en) * | 2004-09-03 | 2005-08-31 | 李洪国 | Heater of shaft sleeve |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第4377996号B2 2009.12.02 |
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| Publication number | Publication date |
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| CN101829974A (en) | 2010-09-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160913 Address after: 030024 No. 83 Heping South Road, Shanxi, Taiyuan Patentee after: Taiyuan Coal Gasification (Group) Co., Ltd. Address before: 030024 No. 9 Guanghua Road, Wan Berlin District, Shanxi, Taiyuan Patentee before: Taiyuan Coal Gasification Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20200612 |