CN104316395A - Coaxial centering regulation platform for mechanical testing machine - Google Patents
Coaxial centering regulation platform for mechanical testing machine Download PDFInfo
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- CN104316395A CN104316395A CN201410603803.6A CN201410603803A CN104316395A CN 104316395 A CN104316395 A CN 104316395A CN 201410603803 A CN201410603803 A CN 201410603803A CN 104316395 A CN104316395 A CN 104316395A
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Abstract
The invention relates to a coaxial centering regulation platform for a mechanical testing machine. The platform comprises a lower sliding table, a left pressure block, a right pressure block, an upper sliding table, a front pressure block and a rear pressure block, wherein the left pressure block and the right pressure block are respectively positioned at left and right sides of the lower sliding table and are used for regulating displacement of the lower sliding table in the X direction; the upper sliding table is placed on the lower sliding table; the front pressure block and the rear pressure block are respectively positioned at front and rear sides of the upper sliding table and are used for regulating displacement of the upper sliding table in the Y direction; the front pressure block and the rear pressure block are perpendicular to the left pressure block and the right pressure block. The coaxial centering regulation platform for the mechanical testing machine, which is disclosed by the invention, has high bearing capacity, does not generate a mechanical return gap, can completely eliminate centering deviation of the testing machine when being matched with a strain gauge for use and improves testing precision. The coaxial centering regulation platform for the mechanical testing machine can be widely applied to the testing machines with different load ranges to eliminate centering deviation between upper and lower fixtures.
Description
Technical field
The present invention relates to a kind of centering adjusting device of mechanics machine.The same shaft assignment particularly relating to a kind of mechanics machine regulates platform.
Background technology
According to U.S. ASTM E1012 standard regulation, material to be stretched, tired etc. Mechanics Performance Testing time, the right alignment that this standard specifies must be reached by warranty test machine.The disalignment of testing machine on the accuracy impact of experimental result greatly, and can bring additional bending or shear stress to sample, causes sample premature degradation, or produces irrational failure mode, also directly can have influence on the accuracy of experimental result.Point out in the example of ASTM E8-9 standard, the diameter for a standard is the sample of 12.5mm, every eccentric 0.025mm, and stress just increases by 1.5%; Be the sample of 9mm for diameter, stress increases by 2.5%; Be the sample of 6mm for diameter, stress increases by 3.2%,
Therefore, right alignment become testing machine dispatch from the factory test an important indicator.But due to machining precision, alignment error, the factor such as transport shocks and machine ages, makes testing machine be difficult to keep good right alignment, needs to design same shaft assignment and regulates stage apparatus, the alignment deviation of Elimination test machine always.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of load-bearing capacity high, and the same shaft assignment that mechanical returns the mechanics machine of gap regulates platform, can be widely used in the testing machine of different loads scope, the alignment deviation in elimination between lower clamp.
The technical solution adopted in the present invention is: a kind of same shaft assignment of mechanics machine regulates platform, include lower slide unit, lay respectively at the lower slide unit left and right sides for adjusting the left briquetting of lower slide unit X-direction displacement and right briquetting, be separately positioned on upper slide unit above lower slide unit and be positioned at both sides before and after slide unit for adjusting the front briquetting of upper slide unit Y-direction displacement and rear briquetting, described front briquetting is vertical setting with rear briquetting and described left briquetting and right briquetting.
Described lower slide unit is rectangular configuration, parallelly in lower slide unit be provided with the through lower optical axis hole for installing optical axis, two front and back, lower slide unit with parallel two adjacent sides, described two lower optical axis holes have locking for the lower optical axis in optical axis hole under locking of being connected with described lower optical axis hole and stitch, lower optical axis locking seam described in four end correspondences of lower slide unit respectively has one and to lock with lower optical axis and stitch perpendicular lower optical axis locking hole, the upper surface of lower slide unit also has the briquetting fixed orifice for fix front briquetting and rear briquetting corresponding with described front briquetting and rear briquetting, one or two side away from lower optical axis locking seam of described lower slide unit has X-axis and regulates screw.
Described upper slide unit is rectangular configuration, parallelly in upper slide unit be provided with the through glazing axis hole for installing optical axis in two front and back, lower optical axis hole in described glazing axis hole and lower slide unit is perpendicular, upper slide unit with described two parallel two adjacent sides of glazing axis hole have stitching for the glazing shaft locking of locking glazing axis hole of being connected with described glazing axis hole, glazing shaft locking seam described in four end correspondences of upper slide unit respectively has one and stitches perpendicular glazing shaft locking hole with glazing shaft locking, the upper surface of upper slide unit also has the sensor fixing hole for fixation of sensor, one or two side away from glazing shaft locking seam of described upper slide unit has Y-axis and regulates screw.
Described left briquetting, right briquetting, front briquetting is identical with rear briquette structure, be the main body of rectangle structure, the main body of described rectangle structure is formed respectively and the lower optical axis hole of two in lower slide unit or two the side optical axis holes can inserting optical axis end that are connected with the glazing axis hole of two in upper slide unit, with locking for the side optical axis hole of locking side optical axis hole of being connected with described side optical axis hole is stitched, and the through hole regulating screw or regulate screw to be connected with the Y-axis in upper slide unit with the X-axis in lower slide unit, described main body is also formed with the fixed orifice for being fixed with experiment porch.
Described through hole include contiguous described in X-axis regulate screw or Y-axis regulate the adjustment hole that can insert adjusting screw of screw and be integrally formed with described adjustment hole regulate screw or Y-axis to regulate the bearing mounting hole for installing deep groove ball bearing of screw away from X-axis, diameter and the described X-axis of described adjustment hole regulate screw or Y-axis to regulate the diameter of screw identical, the diameter of described bearing mounting hole is greater than X-axis and regulates screw or Y-axis to regulate the diameter of screw, the arranged outside of described bearing mounting hole has for locating deep groove ball bearing end cap, described end cap has the through hole be connected with adjustment hole with described bearing mounting hole.
The same shaft assignment of a kind of mechanics machine of the present invention regulates platform, and load-bearing capacity is high, and mechanical returns gap, coordinates the use of strain gauge, can the alignment deviation of thorough Elimination test machine, raising test accuracy.The present invention can be widely used in the testing machine of different loads scope, the alignment deviation in elimination between lower clamp.The useful achievement of the present invention is:
1) the present invention adopts double-deck coupled structure, realizes the independent centering adjustment of X, Y-direction, reduces the difficulty that centering regulates.
2) replace common guide rail structure with optical axis, structure is simple, eliminates time gap that centering regulates platform completely, meets the requirement of testing machine.
3) bolt regulating device cleverly, improves degree of regulation, reduces and regulates difficulty.
4) this centering regulates platform can alignment deviation on Elimination test machine between lower clamp on any direction in 10mm, and in trim process, two components that the alignment deviation of either direction can be analyzed in X, Y-direction regulate respectively.
5) this centering regulates the slide unit of platform to have the clasping structure that cracks, and after completing centering fine setting, can utilize clamping screw that slide unit and optical axis are held tightly, eliminate back gap.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the structural representation of lower slide unit in the present invention;
Fig. 3 is the structural representation of upper slide unit in the present invention;
Fig. 4 is the front view of Fig. 2, Fig. 3;
Fig. 5 is the structural representation of each briquetting in the present invention;
Fig. 6 is the rear view of Fig. 5;
Fig. 7 is the schematic diagram of Fig. 1 lower middle portion structure;
Fig. 8 is the F-F cut-open view of Fig. 7.
In figure
1: lower slide unit 2: upper slide unit
3: right briquetting 4: left briquetting
5: front briquetting 6: rear briquetting
7: optical axis 11: lower optical axis hole
12: lower optical axis locking seam 13: lower optical axis locking hole
14: briquetting fixed orifice 15:X axle regulates screw
21: glazing axis hole 22: glazing shaft locking is stitched
23: glazing shaft locking hole 24: sensor fixing hole
25:Y axle regulates screw 26: side optical axis hole
27: through hole 271: adjustment hole
272: bearing mounting hole 28: fixed orifice
29: side optical axis hole locking seam 30: end cap
31: adjusting screw 32: through hole
33: fixed screw 34: deep groove ball bearing
Embodiment
Below in conjunction with embodiment and accompanying drawing, the same shaft assignment to a kind of mechanics machine of the present invention regulates platform to be described in detail.
The same shaft assignment of a kind of mechanics machine of the present invention regulates platform, and have employed two-layer coupled structure, every layer is all made up of briquetting, slide unit, regulating device and optical axis.Upper strata is by regulating device, and slide unit can move on the optical axis of X-direction, thus realizes the fine setting of X-direction, after fine setting terminates, utilizes the lock-screw on briquetting and slide unit that slide unit is held tightly with guiding optical axis, eliminates back gap.Lower floor is similar to upper strata, is fixed on testing machine base plate, passes through regulating device by briquetting, slide unit can optical axis in the Y direction move, thus realizes the fine setting of Y-direction, after fine setting terminates, utilize the lock-screw on slide unit that slide unit is held tightly with guiding optical axis, eliminate back gap.
As shown in Figure 1, the same shaft assignment of a kind of mechanics machine of the present invention regulates platform, include lower slide unit 1, lay respectively at lower slide unit 1 left and right sides for adjusting left briquetting 4 and the right briquetting 3 of lower slide unit 1X direction displacement, be separately positioned on the upper slide unit 2 above lower slide unit 1 and the front briquetting of Y-direction displacement 5 and the rear briquetting 6 for the adjusting upper slide unit 2 that are positioned at both sides before and after slide unit 2, wherein, described front briquetting 5 and rear briquetting 6 are vertical setting with described left briquetting 4 with right briquetting 3.
As Fig. 2, shown in Fig. 4, described lower slide unit 1 is rectangular configuration, parallelly in lower slide unit 1 be provided with the through lower optical axis hole 11 for installing optical axis, two front and back, lower slide unit 1 with parallel two adjacent sides, described two lower optical axis holes 11 have be connected with described lower optical axis hole 11 lock seam 12 for the lower optical axis in optical axis hole 11 under locking, lower optical axis locking seam 12 described in four end correspondences of lower slide unit 1 respectively has one and locks the perpendicular lower optical axis locking hole 13 of seam 12 with lower optical axis, in order to optical axis is inserted location, fix with bolt again, pull bar fixed sturcture is formed with briquetting.The upper surface of lower slide unit 1 also has with described before briquetting 5 and the corresponding briquetting fixed orifice 14 for fixing front briquetting 5 and rear briquetting 6 of rear briquetting 6, one or two side away from lower optical axis locking seam 12 of described lower slide unit 1 has X-axis adjustment screw 15.
As Fig. 3, shown in Fig. 4, described upper slide unit 2 is rectangular configuration, parallelly in upper slide unit 2 be provided with the through glazing axis hole 21 for installing optical axis in two front and back, described glazing axis hole 21 is perpendicular with the lower optical axis hole 11 in lower slide unit 1, upper slide unit 2 with described two parallel two adjacent sides of glazing axis hole 21 have be connected with described glazing axis hole 21 stitch 22 for the glazing shaft locking of locking glazing axis hole 21, glazing shaft locking seam 22 described in four end correspondences of upper slide unit 2 respectively has one and stitches 22 perpendicular glazing shaft locking holes 23 with glazing shaft locking, the upper surface of upper slide unit 2 also has the clamp-securing bore 24 for stationary fixture, one or two side away from glazing shaft locking seam 22 of described upper slide unit 2 has Y-axis and regulates screw 25.
As Fig. 5, shown in Fig. 6, described left briquetting 4, right briquetting 3, front briquetting 5 is identical with rear briquetting 6 structure, be the main body of rectangle structure, the main body of described rectangle structure is formed respectively and the lower optical axis hole 11 of two in lower slide unit 1 or two the side optical axis holes 26 can inserting optical axis end that are connected with two glazing axis holes 21 in upper slide unit 2, and to be connected with described side optical axis hole 26 lock seam 29 for the side optical axis hole of locking side optical axis hole 26, and the through hole 27 regulating screw 15 or regulate screw 25 to be connected with the Y-axis in upper slide unit 2 with the X-axis in lower slide unit 1, described main body is also formed with the fixed orifice 28 for being fixed with experiment porch.Bolt and slide unit and external agency is utilized to be fixed.
As Fig. 7, shown in Fig. 8, described through hole 27 include contiguous described in X-axis regulate screw 15 or Y-axis regulate the adjustment hole 271 that can insert adjusting screw 31 of screw 25 and be integrally formed with described adjustment hole 271 regulate screw 15 or Y-axis to regulate the bearing mounting hole 272 for installing deep groove ball bearing 34 of screw 25 away from X-axis, diameter and the described X-axis of described adjustment hole 271 regulate screw 15 or Y-axis to regulate the diameter of screw 25 identical, the diameter of described bearing mounting hole 272 is greater than X-axis and regulates screw 15 or Y-axis to regulate the diameter of screw 25, the arranged outside of described bearing mounting hole 272 has for locating deep groove ball bearing 34 end cap 30, described end cap 30 has the through hole 32 be connected with adjustment hole 271 with described bearing mounting hole 272.Adjustment screw can be placed in through hole 27, then hold out against with deep groove ball bearing inner ring, after finally deep groove ball bearing outer ring being held out against with end cap 30, be fixed on briquetting.
The same shaft assignment of a kind of mechanics machine of the present invention regulates platform, during assembling, upper slide unit and lower slide unit, right briquetting, left briquetting, front briquetting, rear briquetting, optical axis and regulating device are installed, make slide unit the same with lower distance between slide unit and the briquetting of both sides, on guarantor, the initial position of slide unit and lower slide unit has identical regulated quantity in the positive negative direction of X (Y).
When connecting front briquetting, rear briquetting and lower slide unit, should notice that coupling bolt is divided into two kinds.Shorter bolt is used in junction in the inner part, is as the criterion with the fluting stretching out lower slide unit after tightening.Near the junction in outside, bolt length should meet and is greater than glazing axis hole and overall length 4-5, lower optical axis hole pitch, and so both can ensure the effect of locking lower slide unit, optical axis is unlikely to stretch out from lower slide unit, impact use.
After installation, will under (on) fixture is arranged on slide unit, lower slide unit is fixed on testing machine base plate (or crossbeam), strain gauge is utilized to measure the alignment deviation of lower clamp, deviation is decomposed into two components in X, Y-direction, regulate the set screw on X, Y briquetting respectively, thus eliminate alignment deviation completely, realize the centering of testing machine.After centering has regulated, by the clamping screw tightened on slide unit, optical axis and slide unit are held tightly, make upper slide unit be locked on lower slide unit by the clamping screw tightened on briquetting, downslide platform is locked on testing machine base plate.
Claims (5)
1. the same shaft assignment of a mechanics machine regulates platform, it is characterized in that, include lower slide unit (1), lay respectively at lower slide unit (1) left and right sides for adjusting left briquetting (4) and the right briquetting (3) of lower slide unit (1) X-direction displacement, be separately positioned on the upper slide unit (2) above lower slide unit (1) and be positioned at front briquetting (5) and the rear briquetting (6) for adjusting upper slide unit (2) Y-direction displacement of both sides before and after slide unit (2), described front briquetting (5) and rear briquetting (6) are vertical setting with described left briquetting (4) and right briquetting (3).
2. the same shaft assignment of a kind of mechanics machine according to claim 1 regulates platform, it is characterized in that, described lower slide unit (1) is rectangular configuration, parallelly in lower slide unit (1) be provided with the through lower optical axis hole (11) for installing optical axis in two front and back, lower slide unit (1) with described two parallel two adjacent sides of lower optical axis hole (11) have locking for the lower optical axis of locking lower optical axis hole (11) of being connected with described lower optical axis hole (11) stitch (12), lower optical axis locking seam (12) described in four end correspondences of lower slide unit (1) respectively has one and to lock with lower optical axis and stitch (12) perpendicular lower optical axis locking hole (13), the upper surface of lower slide unit (1) also has with described before briquetting (5) and the corresponding briquetting fixed orifice (14) for fixing front briquetting (5) and rear briquetting (6) of rear briquetting (6), one or two side away from lower optical axis locking seam (12) of described lower slide unit (1) has X-axis and regulates screw (15).
3. the same shaft assignment of a kind of mechanics machine according to claim 1 regulates platform, it is characterized in that, described upper slide unit (2) is rectangular configuration, parallelly in upper slide unit (2) be provided with the through glazing axis hole (21) for installing optical axis in two front and back, described glazing axis hole (21) is perpendicular with the lower optical axis hole (11) in lower slide unit (1), upper slide unit (2) with described two parallel two adjacent sides of glazing axis hole (21) have stitching (22) for the glazing shaft locking of locking glazing axis hole (21) of being connected with described glazing axis hole (21), glazing shaft locking seam (22) described in four end correspondences of upper slide unit (2) respectively has one and stitches (22) perpendicular glazing shaft locking hole (23) with glazing shaft locking, the upper surface of upper slide unit (2) also has the sensor fixing hole (24) for fixation of sensor, one or two side away from glazing shaft locking seam (22) of described upper slide unit (2) has Y-axis and regulates screw (25).
4. the same shaft assignment of a kind of mechanics machine according to claim 1 regulates platform, it is characterized in that, described left briquetting (4), right briquetting (3), front briquetting (5) is identical with rear briquetting (6) structure, be the main body of rectangle structure, the main body of described rectangle structure is formed respectively and the lower optical axis hole (11) of two in lower slide unit (1) or two the side optical axis holes (26) can inserting optical axis end that are connected with two glazing axis holes (21) in upper slide unit (2), with locking for the side optical axis hole of locking side optical axis hole (26) of being connected with described side optical axis hole (26) is stitched (29), and the through hole (27) regulating screw (15) or regulate screw (25) to be connected with the Y-axis in upper slide unit (2) with the X-axis in lower slide unit (1), described main body is also formed with the fixed orifice (28) for being fixed with experiment porch.
5. the same shaft assignment of a kind of mechanics machine according to claim 4 regulates platform, it is characterized in that, described through hole (27) include contiguous described in X-axis regulate screw (15) or Y-axis regulate the adjustment hole (271) that can insert adjusting screw (31) of screw (25) and be integrally formed with described adjustment hole (271) regulate screw (15) or Y-axis to regulate the bearing mounting hole (272) for installing deep groove ball bearing (34) of screw (25) away from X-axis, diameter and the described X-axis of described adjustment hole (271) regulate screw (15) or Y-axis to regulate the diameter of screw (25) identical, the diameter of described bearing mounting hole (272) is greater than X-axis and regulates screw (15) or Y-axis to regulate the diameter of screw (25), the arranged outside of described bearing mounting hole (272) has for locating deep groove ball bearing (34) end cap (30), described end cap (30) has the through hole (32) be connected with adjustment hole (271) with described bearing mounting hole (272).
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| CN201410603803.6A CN104316395B (en) | 2014-10-30 | 2014-10-30 | A kind of same shaft assignment regulation platform of mechanics machine |
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| CN201410603803.6A CN104316395B (en) | 2014-10-30 | 2014-10-30 | A kind of same shaft assignment regulation platform of mechanics machine |
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| CN104316395A true CN104316395A (en) | 2015-01-28 |
| CN104316395B CN104316395B (en) | 2016-09-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105513323A (en) * | 2015-12-25 | 2016-04-20 | 惠州市智美互联科技有限公司 | Remote switch with good heat dissipation effect |
| CN105513322A (en) * | 2015-12-25 | 2016-04-20 | 惠州市智美互联科技有限公司 | Remote switch |
| CN109470438A (en) * | 2018-10-19 | 2019-03-15 | 中国电子科技集团公司第四十四研究所 | Ceramic double-row packaging impact vibration test fixture |
| CN112611560A (en) * | 2020-12-16 | 2021-04-06 | 福建中维动力科技股份有限公司 | Bearing capacity check out test set of heavy truck transmission shaft of different diameter specifications of adaptation |
| CN113770354A (en) * | 2021-08-23 | 2021-12-10 | 力锋精密工具（浙江）有限公司 | Centering method and device of clamp for cutter manufacturing |
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| CN104316395B (en) | 2016-09-14 |
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Address after: 229-8, No. 11, Ligang Park, Shuanggang Industrial Park, Shuanggang Town, Jinnan District, Tianjin Patentee after: CARE MEASUREMENT AND CONTROL TESTING SYSTEM (TIANJIN) Co.,Ltd. Address before: 300100, 16 floor, creative agglomeration area, 92 Changjiang Road, Tianjin, Nankai District Patentee before: CARE MEASUREMENT AND CONTROL TESTING SYSTEM (TIANJIN) Co.,Ltd. |