CN101823250B - Vibration drawbench - Google Patents
Vibration drawbench Download PDFInfo
- Publication number
- CN101823250B CN101823250B CN 201010199445 CN201010199445A CN101823250B CN 101823250 B CN101823250 B CN 101823250B CN 201010199445 CN201010199445 CN 201010199445 CN 201010199445 A CN201010199445 A CN 201010199445A CN 101823250 B CN101823250 B CN 101823250B
- Authority
- CN
- China
- Prior art keywords
- push rod
- drawbench
- vibration
- vibrator
- disassembled
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a drawbench, in particular to a vibration drawbench, which solves the problem that the present drawnbench is difficult to disassemble tightening components which are closely tightened. The drawbench comprises a mandrel and a claw which is connected with the mandrel, wherein the end part of the mandrel is provided with a vibrator with adjustable vibration frequency. When in use and when the vibration frequency is adjusted to a resonant frequency range of a part to be disassembled, the part to be disassembled produces a serious resonance, the friction force between the parts to be disassembled is greatly reduced, and at the same time force is applied to the mandrel of the drawbench, the parts to be disassembled can be easily separated. Against for the overlarge friction force between the parts to be disassembled, a way that a vibrator is installed on a drawbench mandrel to compulsorily vibrate the parts to be disassembled is adopted, so the friction force between the parts to be disassembled is greatly reduced, and the disassembling difficulty of the original drawbench is solved.
Description
Technical field
The present invention relates to draw horse, be specially a kind of vibration drawbench.
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 vibration drawbench is provided.
The present invention adopts following technical scheme to realize: vibration drawbench, comprise push rod and the hook that is connected with push rod, and the adjustable vibrator of vibration frequency is installed in the end of push rod.During use, vibration drawbench is connected with demolition part and grants suitable pretightning force, vibrator and push rod is become can vibrate simultaneously, produces simultaneously the integral body of resonance, and will vibrate, resonate and pass to demolition part through push rod, hook.Energized, the adjustment both oscillator frequency is when vibration frequency is adjusted to the resonant frequency scope of demolition part; Demolition part produces strong resonance; Frictional force between the demolition part declines to a great extent, and is at this moment drawing the application of force on the push rod of horse, and 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 and draw the mode that vibrator forced vibration demolition part is installed on the horse push rod, 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 vibration drawbench ability to work; The drawing ability specification of in the middle of same field-strip, drawing horse to compare vibration drawbench 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.
Description of drawings
Fig. 1 is a kind of concrete structure sketch map of vibration drawbench 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 vibration drawbench 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-locking slot, 8-is top, 9-spring, 10-preload ring.
The specific embodiment
Embodiment 1
Like Fig. 3, shown in 4, 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.Push rod 2 is the form of jack 1 in this specific embodiment.
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 10 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 vibration drawbench, prevent that promptly vibration drawbench is shifted in the course of the work, have the hole at push rod 2 end faces, fixing in the hole has spring 9, and the end of spring 9 is fixed with top 8.During use top 8 withstand on demolition part the axle end face on the taper machining hole in, thereby prevent vibration drawbench in the course of the work demolition part the axle the end face superior displacement.Have locking slot 7 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 7 of each hook.
During use, vibration drawbench is connected with demolition part and grants suitable pretightning force, and preload ring turns downwards; Make and draw the horse push rod through suitable pretightning force being arranged, energized, adjustment both oscillator frequency between preload ring and the vibrator; 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 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.Push rod 2 is the form of jack 1 in this specific embodiment.
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; Vibration drawbench is connected with demolition part and grants suitable pretightning force; The push rod 2 of vibration drawbench 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 (8)
1. vibration drawbench; 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: the vibrator that vibration frequency is adjustable (3) is processed ring-type; Push rod (2) end is provided with the step that radially attenuates, and 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. vibration drawbench 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. vibration drawbench according to claim 1 and 2 is characterized by: vibrator (3) lower surface is provided with big chamfering.
4. vibration drawbench according to claim 1 and 2 is characterized by: have the hole at push rod (2) end face, fixing in the hole has spring (9), and the end of spring (9) is fixed with top (8).
5. vibration drawbench according to claim 3 is characterized by: have the hole at push rod (2) end face, fixing in the hole has spring (9), and the end of spring (9) is fixed with top (8).
6. vibration drawbench according to claim 1 and 2 is characterized by: have locking slot (7) in hook (4) outside.
7. vibration drawbench according to claim 3 is characterized by: have locking slot (7) in hook (4) outside.
8. vibration drawbench according to claim 5 is characterized by: have locking slot (7) in hook (4) outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010199445 CN101823250B (en) | 2010-06-12 | 2010-06-12 | Vibration drawbench |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010199445 CN101823250B (en) | 2010-06-12 | 2010-06-12 | Vibration drawbench |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101823250A CN101823250A (en) | 2010-09-08 |
CN101823250B true CN101823250B (en) | 2012-01-11 |
Family
ID=42687518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010199445 Expired - Fee Related CN101823250B (en) | 2010-06-12 | 2010-06-12 | Vibration drawbench |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101823250B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102717360A (en) * | 2012-07-03 | 2012-10-10 | 张家港天达特种刀具有限公司 | Jack-type bearing puller |
CN102717362A (en) * | 2012-07-03 | 2012-10-10 | 张家港天达特种刀具有限公司 | Jack-type puller |
CN103737517B (en) * | 2013-12-28 | 2015-11-04 | 安徽昊方机电股份有限公司 | Band wheel assembly tensioner clamping device |
CN109746662A (en) * | 2019-03-21 | 2019-05-14 | 贵州赤天化纸业股份有限公司 | A kind of coupler tool special for dismounting and application method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2035694U (en) * | 1988-09-30 | 1989-04-12 | 余快 | Jaw-changing draw vice |
CN2417953Y (en) * | 2000-05-11 | 2001-02-07 | 盐城市机床厂 | Centre |
CN1504300A (en) * | 2002-11-29 | 2004-06-16 | 上海神模电气有限公司 | Integral hydraulic drawing device |
US6839947B1 (en) * | 2002-10-31 | 2005-01-11 | Martin J. Dudeck | Power hammer puller |
CN1891411A (en) * | 2005-07-01 | 2007-01-10 | 张燕明 | Nut type puller |
US20090139071A1 (en) * | 2007-12-04 | 2009-06-04 | Waldemar Palka | Gear puller |
CN201720811U (en) * | 2010-06-12 | 2011-01-26 | 太原煤气化股份有限公司 | Vibrating puller |
-
2010
- 2010-06-12 CN CN 201010199445 patent/CN101823250B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2035694U (en) * | 1988-09-30 | 1989-04-12 | 余快 | Jaw-changing draw vice |
CN2417953Y (en) * | 2000-05-11 | 2001-02-07 | 盐城市机床厂 | Centre |
US6839947B1 (en) * | 2002-10-31 | 2005-01-11 | Martin J. Dudeck | Power hammer puller |
CN1504300A (en) * | 2002-11-29 | 2004-06-16 | 上海神模电气有限公司 | Integral hydraulic drawing device |
CN1891411A (en) * | 2005-07-01 | 2007-01-10 | 张燕明 | Nut type puller |
US20090139071A1 (en) * | 2007-12-04 | 2009-06-04 | Waldemar Palka | Gear puller |
CN201720811U (en) * | 2010-06-12 | 2011-01-26 | 太原煤气化股份有限公司 | Vibrating puller |
Also Published As
Publication number | Publication date |
---|---|
CN101823250A (en) | 2010-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101823250B (en) | Vibration drawbench | |
CN101825130A (en) | Easily detachable expansion bolt | |
CN101829974B (en) | Heating vibration screw extractor | |
CN201720810U (en) | Heating vibration puller | |
CN201720811U (en) | Vibrating puller | |
CN209041375U (en) | A kind of radial extensible structure of fracturing pump hydraulic clutch | |
CN203050735U (en) | Inner supporting device of heavy caliber non-reinforcing-rib thin-wall steel pipe | |
CN202668031U (en) | Disassembly and assembly structure of reduction box output shaft and flange plate | |
CN102817893A (en) | Detachable expansion bolt | |
CN203297403U (en) | Safe and flexible shaft coupling having buffering function | |
CN201363354Y (en) | Hydraulic fitting bolt | |
CN206290555U (en) | A kind of elastic card pin check bolt | |
CN202158046U (en) | Detachable expansion bolt | |
CN201291248Y (en) | Pay-off drum | |
CN101823673A (en) | Threaded static friction block-type winch brake device | |
CN201301448Y (en) | Clamp-type recoverable anchor rod | |
CN102502439A (en) | Roller structure of tensioning winch supported by single bearing | |
CN2905212Y (en) | Locked ball mill liner | |
CN201771933U (en) | Locking mechanism | |
CN201220337Y (en) | Special-purpose tool for disassembling hydraulic coupling and brake disc | |
CN201496411U (en) | Non-axial force belt wheel assembling and disassembling device | |
CN109436382B (en) | Locking pin type separation spring tensioning mechanism, separation device and separation method | |
CN110905931A (en) | Novel coupler | |
CN108393836B (en) | Method for disassembling and assembling hydraulic coupler of crusher | |
CN202579689U (en) | Hydraulic close fit bolt |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160905 Address after: 030000 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. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20200612 |
|
CF01 | Termination of patent right due to non-payment of annual fee |