CN103234743B - Interference fit simulation test machine - Google Patents
Interference fit simulation test machine Download PDFInfo
- Publication number
- CN103234743B CN103234743B CN201310152711.6A CN201310152711A CN103234743B CN 103234743 B CN103234743 B CN 103234743B CN 201310152711 A CN201310152711 A CN 201310152711A CN 103234743 B CN103234743 B CN 103234743B
- Authority
- CN
- China
- Prior art keywords
- proof device
- specimen holder
- heat
- heating heat
- interference fit
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of testing machine, especially a kind of interference fit simulation test machine.Heated heat-proof device and the second specimen holder heating heat-proof device etc. formed by column, worktable, the first specimen holder.Two specimen holder heating heat-proof devices are equipped with heat block, asbestos backing plate and asbestos side plate.Can in simulation interference fit dismounting at high temperature, and the research of abrasion condition to surface in contact, and then analyze the impact of interference dismounting on surface in contact.By the design of heating-heat insulation structural, be connected with resistance wire in heat block on the one hand, can be delivered to fixture by the heat of the heat block of Resistant heating, fixture can carry out homogeneous heating to test specimen; Be designed with three blocks of sheet asbestoss outside heat block on the other hand, can ensure that the heat of heat block is isolated in sheet asbestos.
Description
Technical field
The present invention relates to a kind of testing machine, especially a kind of interference fit simulation test machine.
Background technology
Interference fit is a kind of connected mode common in plant equipment, and the axle connected for interference fit and the dismounting of axle sleeve also become a kind of and conventional disassemble means.Interference dismounting will cause damage to surface in contact, present stage surface in contact damage simulation, study still have some to limit to:
1, existing analysis is many based on computing machine finite element analysis.
2, existing analysis is many based on single factor analysis, namely only considers the coordinate force effect of interference fit.Also added the heat block of test specimen heating in this patent, temperature factor is also taken into account.
Summary of the invention
The present invention is for avoiding the weak point that exists in above-mentioned prior art, providing a kind of interference fit simulation test machine, to solve the problem of the size of the removal force having dismantled rear surface in contact analysis and interference dismounting.
To achieve these goals, the technical scheme of employing is as follows:
Interference fit simulation test machine, there are four root posts (5), the two ends of four root posts (5) are equipped with the shaft shoulder, upper beam (3) and worktable (10) there are four circular holes respectively, empty set is at the axle journal of four root posts (5) and axial restraint, it is characterized in that, upper cylinder (1) is arranged on upper beam (3), the piston rod of upper cylinder (1) is fixed on pressing plate (4), pressing plate (4) downside connects the first specimen holder heating heat-proof device (7), the piston rod of upper cylinder (1) drive first specimen holder heating heat-proof device (7) that pumps moves up and down, slide block (9) is fixed on worktable (10), the piston rod of guide rail (11) one end connection side oil cylinder (2), the upper surface of slide block (9) is provided with the second specimen holder heating heat-proof device (8), during the piston rod bilateral reciprocation of side cylinder (2), the second specimen holder heating heat-proof device (8) is driven to move left and right.
Further, the first specimen holder heating heat-proof device (7) and the second specimen holder heating heat-proof device (8) are equipped with heat block (18), asbestos backing plate (14) and asbestos side plate (17).
Further, described first specimen holder heating heat-proof device (7) has upper padding plate (12), upper padding plate (12) is fixed on pressing plate (4), U-shaped frame (13) is fixed on upper padding plate (12) lower surface, asbestos backing plate (14) is horizontally fixed on end face inside U-shaped frame (13) groove, two clamping plates (16) is arranged on U-shaped frame (13) inner two sides, two pieces of asbestos side plates (17) contact with two clamping plates (16) respectively installs, boss (15) contacts with clamping plate (16) medial surface and installs, and contact with asbestos backing plate (14) lower surface, fixture (20) lateral surface contacts with asbestos side plate (17) medial surface, upper surface contacts with boss (15) downside, heat block (18) is arranged in the cavity of boss (15) and fixture (20), connection strap (19) is fixed on both sides before and after U-shaped frame (13).
Further, the bottom surface of the fixture (20) of described first specimen holder heating heat-proof device (7) is provided with test specimen (24), and is fixed by upper fixture block (23).
Further, the surface of the fixture (20) of described second specimen holder heating heat-proof device (8) is provided with lower test specimen (22), and is fixed by lower fixture block (21).
Further, described side cylinder (2) is fixing on the table by side oil cylinder framework (6).
Compared with prior art, interference fit simulation test machine of the present invention, has following technical characterstic:
1), can in simulation interference fit dismounting at high temperature, and the research of abrasion condition to surface in contact, and then analyze the impact of interference dismounting on surface in contact.
2), roller arranged in parallel between guide rail and slide block, is filled, can when ensureing under the working pressure at upper cylinder not by conquassation, the friction factor between guide rail and slide block very little (μ=0.01).This can ensure that side cylinder is when pulling lower test specimen to be moved to the left, and the pulling force of side cylinder is approximately equal to the removal force of interference fit.
3), the design of heating-heat insulation structural, be connected with resistance wire in heat block on the one hand, can be delivered to fixture by the heat of the heat block of Resistant heating, fixture can carry out homogeneous heating to test specimen; Be designed with three blocks of sheet asbestoss outside heat block on the other hand, can ensure that the heat of heat block is isolated in sheet asbestos.
Accompanying drawing explanation
Fig. 1 is the structural representation of interference fit simulation test machine of the present invention.
Fig. 2 is the shaft side figure of the first specimen holder heating heat-proof device.
Fig. 3 is the axonometric drawing after the first specimen holder heating heat-proof device is inverted.
Fig. 4 is the shaft side figure of the second specimen holder heating heat-proof device.
Reference numeral: 1 upper cylinder, 2 side cylinders, 3 upper beams, 4 pressing plates, 5 columns, 6 side oil cylinder frameworks, 7 first specimen holder heating heat-proof devices, 8 second specimen holder heating heat-proof devices, 9 slide blocks, 10 worktable, 11 guide rails, 12 upper padding plates, 13U type frame, 14 asbestos backing plates, 15 boss, 16 clamping plate, 17 asbestos side plates, 18 heat blocks, 19 connection straps, 20 fixtures, 21 times fixture blocks, 22 times test specimens, fixture block on 23, test specimen on 24.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with accompanying drawing.
Refer to Fig. 1-4, interference fit simulation test machine, based on four root posts 5, the two ends of column 5 are provided with the shaft shoulder, and upper beam 3 and worktable 10 are pressed abd fixed on the shaft shoulder respectively by four hexagonal nuts.The cylinder body of upper cylinder 1 is fixed on upper beam 3, and the piston rod of upper cylinder 1 is connected on pressing plate 4, and pressing plate 4 connects the first specimen holder heating heat-proof device 7.The cylinder body of side cylinder 2 is fixed on worktable 10 by side oil cylinder framework 6.The piston rod connection guide rail 11 of side cylinder 2, the upper side of guide rail 11 installs the second specimen holder heating heat-proof device 8.
Wherein, the structure of the first specimen holder heating heat-proof device 7 is: upper padding plate is fixed on pressing plate 4; U-shaped frame 13 is fixed on upper padding plate 12 lower surface; Asbestos backing plate 14 is horizontally fixed on end face inside U-shaped frame 13 groove, and two clamping plates 16 is arranged on the U-shaped inner two sides of frame 13; Two blocks of asbestos side plates 17 contact with two clamping plates 16 respectively to be installed; Boss 15 contacts with clamping plate 16 medial surface and installs, and contacts with asbestos backing plate 14 lower surface; Fixture 20 lateral surface contacts with asbestos side plate 17 medial surface, and upper surface contacts with boss 15 downside; Heat block 18 is arranged in the cavity of boss 15 and fixture 20.Connection strap 19 is fixed on both sides before and after U-shaped frame 13; Upper test specimen 24 is arranged in the mounting hole on the bottom surface of fixture 20, and both sides are fixed by upper fixture block 23.
It is all identical with connected mode and be that upper and lower mirror image is installed and placed that second specimen holder heating heat-proof device 8 and the first specimen holder heats heat-proof device 7 structure; First specimen holder heating heat-proof device 7 is different from the mounting hole that the second specimen holder heats fixture 20 bottom surface (surface) in heat-proof device 8, and upper test specimen 24 and lower test specimen 22 are fixed respectively by upper fixture block 23 and lower fixture block 21.
Under off working state, upper cylinder 1 piston rod stops at upside maximum travel position, and side cylinder 2 piston rod stops at left side maximum travel position.
After starting working, side cylinder 2 piston rod moves right, and then drives guide rail 11 and the second specimen holder heating heat-proof device 8 to move right, until the range place reaching right positions stops.This position, the left side of lower test specimen 22 overlaps with the left side of upper test specimen 24.The piston rod band dynamic pressure plate 4 of upper cylinder 1 and the first specimen holder heating heat-proof device 7 move up and down along column 5, until the lower surface of upper test specimen 24 contacts with the upper surface of lower test specimen 22.The piston rod of upper cylinder 1 continues pressurization downwards makes test specimen 24 and lower test specimen 22 compress, and guarantee has the interactional working pressure that constant between test specimen 24 and lower test specimen 22.This pressure for simulate interference fit dismounting two workpiece between cooperation stress.
Side cylinder 2 pressurizes, and drives side cylinder piston rod to be moved to the left, and drives the second specimen holder heating heat-proof device 8 to be moved to the left.When piston rod starts mobile, due to the friction factor between guide rail 11 and slide block 9 less (μ=0.01), so time the pulling force of side cylinder 2 be approximately equal to the removal force of two parts that dismounting interference fit connects.Piston rod is moved to the left, until drive the lower right flank of test specimen 22 and the left surface overlapping positions of upper test specimen 24 in the second specimen holder heating heat-proof device 8, stops the movement of the piston rod of side cylinder 2.After the process simulation that interference is dismantled completes, upper cylinder 1 release, makes the piston rod band dynamic pressure plate 4 of upper cylinder 1 and the first specimen holder heating heat-proof device 7 move up, until reach range place upwards.
Meanwhile, when the second specimen holder heating heat-proof device 8 is moved to the left by the drive of side cylinder 2 piston rod, the heat block 18 that first specimen holder heating heat-proof device 7 and the second specimen holder heat in heat-proof device 8 can produce high temperature, the high temperature of upper and lower two heat blocks 18 evenly passes to supreme test specimen 24 and lower test specimen 22 respectively by upper fixture 20 and lower clamp 20, and the high temperature of test specimen can simulate temperature factor when interference is dismantled.
After overall process completes, upper test specimen 24 and lower test specimen 22 can be pulled down, and the working surface of test specimen is analyzed, tested, obtain interference dismounting and situation is affected on surface in contact, and study the pressure of upper cylinder 1 and the removal force of side cylinder 2, friction factor when calculating dismounting also studies the impact that temperature factor dismantles interference.
Above content is only to structure example of the present invention and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (6)
1. interference fit simulation test machine, there are four root posts (5), the two ends of four root posts (5) are equipped with the shaft shoulder, upper beam (3) and worktable (10) there are four circular holes respectively, empty set is at the axle journal of four root posts (5) and axial restraint, it is characterized in that, upper cylinder (1) is arranged on upper beam (3), the piston rod of upper cylinder (1) is fixed on pressing plate (4), pressing plate (4) downside connects the first specimen holder heating heat-proof device (7), the piston rod of upper cylinder (1) drive first specimen holder heating heat-proof device (7) that pumps moves up and down, slide block (9) is fixed on worktable (10), the piston rod of guide rail (11) one end connection side oil cylinder (2), the upper surface of slide block (9) is provided with the second specimen holder heating heat-proof device (8), during the piston rod bilateral reciprocation of side cylinder (2), the second specimen holder heating heat-proof device (8) is driven to move left and right.
2. interference fit simulation test machine according to claim 1, it is characterized in that, the first specimen holder heating heat-proof device (7) and the second specimen holder heating heat-proof device (8) are equipped with heat block (18), asbestos backing plate (14) and asbestos side plate (17).
3. interference fit simulation test machine according to claim 2, it is characterized in that, described first specimen holder heating heat-proof device (7) has upper padding plate (12), upper padding plate (12) is fixed on pressing plate (4), U-shaped frame (13) is fixed on upper padding plate (12) lower surface, asbestos backing plate (14) is horizontally fixed on end face inside U-shaped frame (13) groove, two clamping plates (16) is arranged on U-shaped frame (13) inner two sides, two pieces of asbestos side plates (17) contact with two clamping plates (16) respectively installs, boss (15) contacts with clamping plate (16) medial surface and installs, and contact with asbestos backing plate (14) lower surface, fixture (20) lateral surface contacts with asbestos side plate (17) medial surface, upper surface contacts with boss (15) downside, heat block (18) is arranged in the cavity of boss (15) and fixture (20), connection strap (19) is fixed on both sides before and after U-shaped frame (13).
4. interference fit simulation test machine according to claim 3, it is characterized in that, the bottom surface of the fixture (20) of described first specimen holder heating heat-proof device (7) is provided with test specimen (24), and is fixed by upper fixture block (23).
5. interference fit simulation test machine according to claim 3, it is characterized in that, the surface of the fixture (20) of described second specimen holder heating heat-proof device (8) is provided with lower test specimen (22), and is fixed by lower fixture block (21).
6. the interference fit simulation test machine according to any one of claim 1-5, is characterized in that, described side cylinder (2) is fixing on the table by side oil cylinder framework (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152711.6A CN103234743B (en) | 2013-04-25 | 2013-04-25 | Interference fit simulation test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310152711.6A CN103234743B (en) | 2013-04-25 | 2013-04-25 | Interference fit simulation test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103234743A CN103234743A (en) | 2013-08-07 |
| CN103234743B true CN103234743B (en) | 2015-10-21 |
Family
ID=48882794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310152711.6A Expired - Fee Related CN103234743B (en) | 2013-04-25 | 2013-04-25 | Interference fit simulation test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103234743B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990037B (en) * | 2017-04-27 | 2018-06-08 | 武汉海润工程设备有限公司 | A kind of single side slides Multifunctional friction Material Testing Machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6134976A (en) * | 1997-06-03 | 2000-10-24 | Seagate Technology Llc | Method and apparatus for testing a spindle in a disc drive |
| CN201192766Y (en) * | 2008-04-29 | 2009-02-11 | 上海宝钢设备检修有限公司 | Apparatus for disassemble of interference fit bolt |
| CN201783908U (en) * | 2010-05-25 | 2011-04-06 | 国营险峰机器厂 | Dismounting device of interference fit products |
| CN201856073U (en) * | 2010-08-31 | 2011-06-08 | 中国北车集团大连机车研究所有限公司 | Detaching device of interference-fit combined piston of locomotive diesel engine |
| CN202572283U (en) * | 2012-05-17 | 2012-12-05 | 江苏悦达纺织集团有限公司 | Interference fit shaft dismounting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010001160A (en) * | 2006-10-16 | 2010-01-07 | Panasonic Corp | Glass cutting method and its apparatus |
-
2013
- 2013-04-25 CN CN201310152711.6A patent/CN103234743B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6134976A (en) * | 1997-06-03 | 2000-10-24 | Seagate Technology Llc | Method and apparatus for testing a spindle in a disc drive |
| CN201192766Y (en) * | 2008-04-29 | 2009-02-11 | 上海宝钢设备检修有限公司 | Apparatus for disassemble of interference fit bolt |
| CN201783908U (en) * | 2010-05-25 | 2011-04-06 | 国营险峰机器厂 | Dismounting device of interference fit products |
| CN201856073U (en) * | 2010-08-31 | 2011-06-08 | 中国北车集团大连机车研究所有限公司 | Detaching device of interference-fit combined piston of locomotive diesel engine |
| CN202572283U (en) * | 2012-05-17 | 2012-12-05 | 江苏悦达纺织集团有限公司 | Interference fit shaft dismounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103234743A (en) | 2013-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203712018U (en) | Clamping device for large agricultural machinery gears | |
| CN107976618B (en) | Working method of BGA packaging test socket | |
| CN105923221A (en) | Air cylinder type steel plate block pasting mechanism | |
| CN104015033B (en) | Bulb press-loading device | |
| CN103234743B (en) | Interference fit simulation test machine | |
| CN105880982A (en) | Pin pressing machine | |
| CN203030682U (en) | Slender shaft straightening machine | |
| CN106112515B (en) | One kind suspension spring block selects pad machine | |
| CN105093044B (en) | A kind of pin support plate module mechanism for testing | |
| CN106198284A (en) | Thermal hardware steel plate anticorrosive coat wear resistance testing device | |
| CN209532621U (en) | A kind of transmission case attachment press-loading apparatus | |
| CN204640028U (en) | A kind of movable supporting legs group is to frock clamp | |
| CN204142398U (en) | A kind of pressure test device for the processing of warm braw motor brush rocker | |
| CN203572637U (en) | Automobile pedal endurance testing machine | |
| CN102922285B (en) | For assembling the pneumatic mounting equipment of spring top bead structure | |
| CN105415052B (en) | Brake block steel back positioning fixture | |
| CN208614172U (en) | A kind of automatic impaction component | |
| CN208945025U (en) | A kind of lightweight automobile interior decoration board fixer | |
| CN103009059A (en) | Method for assembling rubber sleeves of pedals of motorcycle | |
| CN203578457U (en) | Door and window pressing mechanism | |
| CN207479236U (en) | A kind of hydraulic moving straightener | |
| CN206445417U (en) | Stator positioning fixture | |
| CN108247379A (en) | A kind of apparatus for fastening | |
| CN205254497U (en) | Car seat spring push in device | |
| CN205573093U (en) | One point press fixes a position fixture |
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 | ||
| 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: 20151021 Termination date: 20180425 |