CN113959634A - Multipurpose check tool suitable for wide-range force standard machine - Google Patents
Multipurpose check tool suitable for wide-range force standard machine Download PDFInfo
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- CN113959634A CN113959634A CN202111259621.8A CN202111259621A CN113959634A CN 113959634 A CN113959634 A CN 113959634A CN 202111259621 A CN202111259621 A CN 202111259621A CN 113959634 A CN113959634 A CN 113959634A
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- pull head
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- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
Abstract
The invention discloses a multipurpose checking fixture suitable for a wide-range force standard machine, and relates to the field of detection of force standard machines. The U-shaped mounting platform comprises two U-shaped mounting platforms, an upper pull head and a lower pull head, wherein the bottom surfaces of the U-shaped mounting platforms are planes, threaded holes for fixing are formed in the bottom surfaces of the U-shaped mounting platforms, a pair of main pin holes I which are opposite to each other are formed in two side walls of the U-shaped mounting platforms, the upper pull head and the lower pull head are similar in structure and respectively comprise a cuboid-shaped connecting part and a U-shaped detection connecting part which are integrally formed, the width of each connecting part is matched with the distance between the inner side walls of the U-shaped mounting platforms, a main pin hole II is formed in a connecting part body, and the main pin hole II is matched with the main pin holes I; the bottom surface of the connecting part II of the lower puller is also provided with a concentric circular plate groove; the two U-shaped mounting platforms are respectively positioned above and below and have opposite openings, the U-shaped mounting platform positioned above is connected with the upper puller through a main pin, and the U-shaped mounting platform positioned below is connected with the lower puller through the main pin. The invention has simple structure, is a split type multipurpose checking fixture, and does not need to disassemble the checking fixture with large force value when the checking fixture is replaced.
Description
Technical Field
The invention relates to the field of detection of force standard machines, in particular to a multipurpose detection tool suitable for a wide-range force standard machine.
Background
The gauge of the force standard machine is the most important force measuring device for detecting and calibrating the force measuring instrument. At present, similar checking tools at home and abroad have the following defects: the device can not be applied to the detection environment of the pressing force and the pulling force at the same time, and the detection specification of the dynamometer is extremely critical. Especially for a wide-range force standard machine, the gauge needs to be frequently replaced for detecting different force measuring instruments, the gauge for detecting the large-force measuring instrument is often extremely heavy, time and labor are consumed during replacement and disassembly, and certain accident risks exist.
Therefore, a split type multipurpose checking fixture needs to be designed, when the checking fixture is replaced, the checking fixture with a large force value does not need to be detached, and the split type multipurpose checking fixture can be used for detecting a force measuring instrument with a small force value, so that the problems are solved.
Disclosure of Invention
The invention provides an improved multipurpose gauge suitable for a wide-range force standard machine, and aims to solve the problems that the gauge needs to be replaced between a large range and a small range and is inconvenient to disassemble when the force standard machine is used for detecting a dynamometer.
The invention is realized by the following technical scheme: a multipurpose checking fixture suitable for a wide-range force standard machine comprises two U-shaped mounting platforms, an upper pull head and a lower pull head, wherein the bottom surfaces of the U-shaped mounting platforms are planes, threaded holes for fixing are formed in the bottom surfaces of the U-shaped mounting platforms, a pair of main pin holes I which are opposite to each other are formed in two side walls of the U-shaped mounting platforms, the upper pull head comprises a cuboid connecting portion I and a U-shaped detection connecting portion I which are integrally formed, the width of the connecting portion I is matched with the distance between the inner side walls of the U-shaped mounting platforms, a main pin hole II is formed in the body of the connecting portion I, and the main pin hole II is matched with the main pin holes I along the width direction of the body of the connecting portion I; the lower pull head comprises a cuboid-shaped connecting part II and a U-shaped detection connecting part II which are integrally formed, the width of the connecting part II is matched with the distance between the inner side walls of the U-shaped mounting table, a main pin hole II is formed in the body of the connecting part II, the main pin hole II is matched with the main pin hole I along the width direction of the body of the connecting part II, and a concentric circular plate groove is formed in the bottom surface of the connecting part II; the two U-shaped mounting platforms are respectively positioned above and below and have opposite openings, the U-shaped mounting platform positioned above is connected with the upper puller through a main pin, and the U-shaped mounting platform positioned below is connected with the lower puller through the main pin.
The invention designs a multipurpose checking fixture suitable for a wide-range force standard machine, which mainly utilizes a structural mode that two U-shaped mounting tables are respectively fixed above and below a beam or a working platform of the force standard machine, and then an upper pull head and a lower pull head in the multipurpose checking fixture are only required to be replaced according to the range of a measured tension or pressure dynamometer so as to meet the requirement of wide-range measurement. The checking fixture comprises two U-shaped mounting platforms, an upper pull head and a lower pull head, wherein the two U-shaped mounting platforms are respectively positioned above and below the checking fixture, the openings of the two U-shaped mounting platforms are opposite, the bottom surfaces of the U-shaped mounting platforms are planes, threaded holes for fixing are formed in the bottom surfaces of the U-shaped mounting platforms and are used for being reliably connected with a cross beam or a working platform of a force standard machine, a pair of main pin holes I which are opposite to each other are formed in two side walls of the U-shaped mounting platforms and are used for mounting the upper pull head and the lower pull head, the upper pull head and the lower pull head can rotate in the respective U-shaped mounting platforms by taking main pins in the main pin holes I as axes, the upper pull head and the lower pull head are similar in structure, the lower pull head is provided with a concentric circular plate groove at the bottom of the lower pull head for mounting a concentric circular plate. The upper pull head and the lower pull head respectively comprise a cuboid-shaped connecting part and a U-shaped detection connecting part which are integrally formed, and the connecting parts of the upper pull head and the lower pull head are used for being connected with a U-shaped mounting platform, so that main pin holes II are formed in connecting part bodies of the upper pull head and the lower pull head and are matched with the main pin holes I, the upper pull head is connected with the U-shaped mounting platform positioned above by adopting main pins, and the lower pull head is connected with the U-shaped mounting platform positioned below; the U-shaped detection connecting parts of the upper pull head and the lower pull head are used for connecting the tension dynamometer when tension range is detected, and at the moment, the U-shaped detection connecting part I of the upper pull head is required to be right opposite to the U-shaped detection connecting part II of the lower pull head and then connected with detection equipment of the tension dynamometer. When the force in the pressing direction needs to be detected, the upper pull head and the lower pull head are respectively rotated by 180 degrees, the bottom surfaces of the upper pull head and the lower pull head are opposite, a concentric circular plate is inserted into a concentric circular plate groove of the lower pull head, the upper pull head and the lower pull head are fixed in position by any method capable of fixing the upper pull head and the lower pull head, then a device for detecting the pressing force is placed between the upper pull head and the lower pull head, the concentric circular plates are used for centering the upper pull head and the lower pull head, and then the detection is carried out. The invention has the following specific operations: the method comprises the following steps that two U-shaped mounting tables are respectively arranged above and below a beam or a working platform of a force standard machine through threaded holes at the bottoms of the U-shaped mounting tables, then a main pin is adopted, an upper pull head is arranged on the upper U-shaped mounting table, a lower pull head is arranged on the lower U-shaped mounting table, when the pulling force detection is needed, a U-shaped detection connecting part I of the upper pull head is opposite to a U-shaped detection connecting part II of the lower pull head and is connected with a pulling force detection device, and then the pull head is pulled in the opposite direction to test the pulling force; when the pressing force needs to be detected, the upper pull head and the lower pull head are rotated by 180 degrees respectively, the bottom surfaces of the upper pull head and the lower pull head are opposite, the positions of the upper pull head and the lower pull head are fixed, a device for detecting the pressing force is placed between the upper pull head and the lower pull head, then the concentric circular plates are inserted into the concentric circular plate grooves and are centered by the concentric circular plates, and the pressing force is tested; if the large-range detection of the pulling force is needed, only the upper puller and the lower puller are replaced, and the U-shaped mounting table does not need to be moved.
Preferably, two side walls of the U-shaped detection connecting part I are provided with a pair of secondary pin holes which are opposite; two side walls of the U-shaped detection connecting part II are provided with a pair of secondary pin holes which are opposite, and further, when the openings of the U-shaped detection connecting parts of the upper pull head and the lower pull head are opposite, secondary pins penetrate through the secondary pin holes of the U-shaped detection connecting part I and the U-shaped detection connecting part II and are used for being correspondingly connected with the two holes of the tension detection equipment.
Preferably, two pairs of opposite additional pin holes I are further formed in two side walls of the U-shaped mounting platform, two opposite additional pin holes II are further formed in two side walls of the U-shaped detection connecting part I, two opposite additional pin holes II are also formed in two side walls of the U-shaped detection connecting part II, and the positions of the additional pin holes II are matched with the positions of the correspondingly mounted additional pin holes I; furthermore, when the bottom surfaces of the upper pull head and the lower pull head face each other, an auxiliary pin penetrates through an auxiliary pin hole II of each of the U-shaped detection connecting part I and the U-shaped detection connecting part II and is used for being connected with the U-shaped mounting table, and a concentric circular plate is inserted into a concentric circular plate groove in the bottom surface of the connecting part II of the lower pull head.
Preferably, the main pin, the secondary pin and the auxiliary pin are clamping bosses with one fixed end and clamping plates with the other ends connected through screws. The design ensures that various pins are not easy to be separated, and ensures the reliable connection of various parts.
Compared with the prior art, the invention has the following beneficial effects: the multipurpose gauge suitable for the wide-range force standard machine is simple in structure, is a split multipurpose gauge, does not need to be disassembled when the gauge is replaced, and can be used for detecting a small-force-value dynamometer only by replacing an upper pull head and a lower pull head, so that the problems that time and labor are consumed when the gauge is replaced, and an accident risk exists are solved.
Drawings
Fig. 1 is an exploded view of a structure of the present invention applied to a pulling force detection.
Fig. 2 is a front view of the structure of the present invention applied to the detection of a pulling force.
Fig. 3 is a structural assembly diagram of the invention applied to the detection of the pulling force.
Fig. 4 is an exploded view of the structure of the present invention applied to the detection of the pressing force.
Fig. 5 is a front view of the structure of the present invention applied to the detection of the pressing force.
Fig. 6 is an assembly view of the structure of the present invention applied to the detection of the pressing force.
FIG. 7 is a schematic view of the U-shaped mounting table of the present invention.
Fig. 8 is a schematic view of the structure of the upper slider of the present invention.
FIG. 9 is a schematic view of the construction of the lower slider of the present invention.
The figures are labeled as follows: 1-U-shaped mounting table, 2-threaded hole, 3-upper pull head, 4-lower pull head, 5-main pin hole I, 6-auxiliary pin hole I, 7-auxiliary pin hole, 8-auxiliary pin hole II, 9-concentric circular plate, 10-main pin hole II, 11-concentric circular plate groove, 301-connecting part I, 302-U-shaped detection connecting part I, 401-connecting part II, 402-U-shaped detection connecting part II, 51-main pin, 71-auxiliary pin and 81-auxiliary pin.
Detailed Description
The present invention is further illustrated by the following specific examples.
A multipurpose check tool suitable for a wide-range force standard machine is shown in figures 1, 4 and 7-9: the U-shaped mounting platform comprises two U-shaped mounting platforms 1, an upper pull head 3 and a lower pull head 4, wherein the bottom surface of each U-shaped mounting platform 1 is a plane, a threaded hole 2 for fixing is formed in the bottom surface of each U-shaped mounting platform 1, a pair of main pin holes I5 which are opposite to each other are formed in two side walls of each U-shaped mounting platform, each upper pull head 3 comprises a cuboid connecting part I301 and a U-shaped detection connecting part I302 which are integrally formed, the width of each connecting part I301 is matched with the distance between the inner side walls of the U-shaped mounting platforms 1, a main pin hole II 10 is formed in the body of each connecting part I301, and each main pin hole II 10 is matched with the corresponding main pin hole I5 along the width direction of the body of each connecting part I301; the lower pull head 4 comprises a cuboid-shaped connecting part II 401 and a U-shaped detection connecting part II 402 which are integrally formed, the width of the connecting part II 401 is matched with the distance between the inner side walls of the U-shaped mounting table 1, a main pin hole II 10 is formed in the body of the connecting part II 401, the main pin hole II 10 is matched with a main pin hole I5 along the width direction of the body of the connecting part II 401, and a concentric circular plate groove 11 is formed in the bottom surface of the connecting part II 401; the two U-shaped mounting platforms 1 are respectively positioned at the upper and lower parts, the openings of the two U-shaped mounting platforms are opposite, the U-shaped mounting platform 1 positioned at the upper part is connected with the upper puller 3 through a main pin 51, and the U-shaped mounting platform 1 positioned at the lower part is connected with the lower puller 4 through the main pin 51.
The preferred scheme is adopted in the embodiment: two side walls of the U-shaped detection connecting part I302 are provided with a pair of secondary pin holes 7 which are opposite; two side walls of the U-shaped detection connecting part II 402 are provided with a pair of secondary pin holes 7 which are opposite; two pairs of opposite additional pin holes I6 are further formed in two side walls of the U-shaped mounting platform 1, two opposite additional pin holes II 8 are further formed in two side walls of the U-shaped detection connecting portion I302, two opposite additional pin holes II 8 are also formed in two side walls of the U-shaped detection connecting portion II 402, and the positions of the additional pin holes II 8 are matched with the positions of the correspondingly mounted additional pin holes I6. When the openings of the U-shaped detection connecting parts of the upper slider 3 and the lower slider 4 are opposite, the secondary pin 71 penetrates through the secondary pin hole 7 of each of the U-shaped detection connecting part I302 and the U-shaped detection connecting part II 402. When the bottom surfaces of the upper slider 3 and the lower slider 4 face each other, an additional pin 81 is inserted into an additional pin hole II 8 of each of the U-shaped detection connecting part I302 and the U-shaped detection connecting part II 402 for connecting with the U-shaped mounting base 1, and a concentric circular plate 9 is inserted into a concentric circular plate groove 11 of the bottom surface of the connecting part II 401 of the lower slider 4. The main pin 51, the secondary pin 71 and the auxiliary pin 81 are clamping bosses with one ends fixed and clamping plates with the other ends connected through screws.
The embodiment specifically operates as follows: the method comprises the following steps that two U-shaped mounting tables 1 are respectively arranged above and below a beam or a working platform of a force standard machine through threaded holes 2 at the bottoms of the U-shaped mounting tables 1, then a main pin 51 is adopted, an upper pull head 3 is arranged on the U-shaped mounting table 1 above, a lower pull head 4 is arranged on the U-shaped mounting table 1 below, when the pulling force detection is needed, a U-shaped detection connecting part I302 of the upper pull head 3 is opposite to a U-shaped detection connecting part II 402 of the lower pull head 4, the upper pull head is connected with a pulling force detection device through a secondary pin hole 7 and a secondary pin 71, and then the pulling force detection is carried out in the opposite direction; when the pressing force detection is needed, the upper pull head 3 and the lower pull head 4 are respectively rotated by 180 degrees, the bottom surfaces of the upper pull head 3 and the lower pull head 4 are opposite, the upper pull head 3 and the lower pull head 4 are respectively fixed on the upper U-shaped mounting table 1 and the lower U-shaped mounting table 1 through the additional pin holes I6, the additional pin holes II 8 and the additional pins 81, then the concentric circular plate 9 is inserted into the concentric circular plate groove 11, the pressing force detection equipment is placed between the upper pull head 3 and the lower pull head 4, and the concentric circular plate 9 is adopted to center the pressing force detection equipment, so that the pressing force test is carried out; if the large-range detection of the pulling force is needed, only the upper and lower sliders need to be replaced, and the U-shaped mounting table 1 does not need to be moved.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the invention should be included in the scope of the invention.
Claims (8)
1. The utility model provides a multi-purpose utensil of examining suitable for wide range force standard machine which characterized in that: the U-shaped mounting platform comprises two U-shaped mounting platforms (1), an upper pull head (3) and a lower pull head (4), wherein the bottom surface of each U-shaped mounting platform (1) is a plane, a threaded hole (2) for fixing is formed in the bottom surface of each U-shaped mounting platform (1), a pair of main pin holes I (5) which are opposite to each other are formed in two side walls of each U-shaped mounting platform, each upper pull head (3) comprises a rectangular connecting part I (301) and a U-shaped detection connecting part I (302) which are integrally formed, the width of each connecting part I (301) is matched with the distance between the inner side walls of the U-shaped mounting platforms (1), a main pin hole II (10) is formed in the body of each connecting part I (301), and each main pin hole II (10) is matched with each main pin hole I (5) along the width direction of the body of each connecting part I (301); the lower pull head (4) comprises a cuboid-shaped connecting part II (401) and a U-shaped detection connecting part II (402) which are integrally formed, the width of the connecting part II (401) is matched with the distance between the inner side walls of the U-shaped mounting table (1), a main pin hole II (10) is formed in the body of the connecting part II (401), the main pin hole II (10) is matched with the main pin hole I (5) along the width direction of the body of the connecting part II (401), and a concentric circular plate groove (11) is formed in the bottom surface of the connecting part II (401);
the two U-shaped mounting platforms (1) are respectively positioned at the upper part and the lower part, the openings of the two U-shaped mounting platforms are opposite, the U-shaped mounting platform (1) positioned at the upper part is connected with the upper puller (3) through a main pin (51), and the U-shaped mounting platform (1) positioned at the lower part is connected with the lower puller (4) through the main pin (51).
2. The multipurpose gauge suitable for the wide-range force standard machine according to claim 1, is characterized in that: two side walls of the U-shaped detection connecting part I (302) are provided with a pair of secondary pin holes (7) which are opposite; two side walls of the U-shaped detection connecting part II (402) are provided with a pair of secondary pin holes (7) which are opposite.
3. The multipurpose gauge suitable for the wide-range force standard machine according to claim 1 or 2, characterized in that: two pairs of right attached pin holes I (6) are further formed in two side walls of the U-shaped mounting platform (1), two right attached pin holes II (8) are further formed in two side walls of the U-shaped detection connecting portion I (302), two right attached pin holes II (8) are also formed in two side walls of the U-shaped detection connecting portion II (402), and the positions of the attached pin holes II (8) are matched with the positions of the attached pin holes I (6) which are correspondingly mounted.
4. The multipurpose gauge suitable for the wide-range force standard machine according to claim 3, characterized in that: when the openings of the U-shaped detection connecting parts of the upper slider (3) and the lower slider (4) are opposite, a secondary pin (71) penetrates through a secondary pin hole (7) of each of the U-shaped detection connecting part I (302) and the U-shaped detection connecting part II (402).
5. The multipurpose gauge suitable for the wide-range force standard machine according to claim 3, characterized in that: when the bottom surfaces of the upper slider (3) and the lower slider (4) face each other, an additional pin (81) penetrates through an additional pin hole II (8) of each of the U-shaped detection connecting part I (302) and the U-shaped detection connecting part II (402) and is used for being connected with the U-shaped mounting table (1), and a concentric circular plate (9) is inserted into a concentric circular plate groove (11) in the bottom surface of the connecting part II (401) of the lower slider (4).
6. The multipurpose gauge suitable for the wide-range force standard machine according to claim 4, is characterized in that: the main pin (51) and the secondary pin (71) are clamping bosses with one fixed end and clamping plates with the other ends connected through screws.
7. The multipurpose gauge suitable for the wide-range force standard machine according to claim 5, is characterized in that: the main pin (51) and the auxiliary pin (81) are clamping bosses with one fixed end and clamping plates with the other ends connected through screws.
8. The multipurpose gauge suitable for the wide-range force standard machine according to claim 1, is characterized in that: the upper puller (3) and the lower puller (4) can be replaced according to the measuring range of the tension dynamometer or the pressure dynamometer to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259621.8A CN113959634B (en) | 2021-10-28 | 2021-10-28 | Multipurpose gauge suitable for wide-range force standard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259621.8A CN113959634B (en) | 2021-10-28 | 2021-10-28 | Multipurpose gauge suitable for wide-range force standard machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113959634A true CN113959634A (en) | 2022-01-21 |
| CN113959634B CN113959634B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111259621.8A Active CN113959634B (en) | 2021-10-28 | 2021-10-28 | Multipurpose gauge suitable for wide-range force standard machine |
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| KR960038290U (en) * | 1995-05-15 | 1996-12-18 | 대우자동차주식회사 | Jig for testing the tensile force of automobiles |
| JP2008196880A (en) * | 2007-02-09 | 2008-08-28 | Shimadzu Corp | Materials testing machine |
| CN201837559U (en) * | 2010-10-22 | 2011-05-18 | 南京利民机械有限责任公司 | Combined fixture for chain fatigue test |
| CN102323140A (en) * | 2011-08-11 | 2012-01-18 | 西北工业大学 | Sample and clamp for thin walled tube high temperature tensile test |
| CN203929504U (en) * | 2014-06-17 | 2014-11-05 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of dismantled and assembled small sample cupping machine jig |
| CN206410934U (en) * | 2017-01-16 | 2017-08-15 | 燕山大学 | A kind of multi-functional plate tensile sample mechanical property tests fixture just dismounted |
| CN206531724U (en) * | 2017-02-16 | 2017-09-29 | 西北工业大学 | A kind of titanium alloy auricle fatigue test clamper |
| CN109916715A (en) * | 2019-04-11 | 2019-06-21 | 西南交通大学 | A kind of test fixture |
| CN212008098U (en) * | 2020-04-22 | 2020-11-24 | 黄喜 | Clamp of universal material testing machine |
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2021
- 2021-10-28 CN CN202111259621.8A patent/CN113959634B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960038290U (en) * | 1995-05-15 | 1996-12-18 | 대우자동차주식회사 | Jig for testing the tensile force of automobiles |
| JP2008196880A (en) * | 2007-02-09 | 2008-08-28 | Shimadzu Corp | Materials testing machine |
| CN201837559U (en) * | 2010-10-22 | 2011-05-18 | 南京利民机械有限责任公司 | Combined fixture for chain fatigue test |
| CN102323140A (en) * | 2011-08-11 | 2012-01-18 | 西北工业大学 | Sample and clamp for thin walled tube high temperature tensile test |
| CN203929504U (en) * | 2014-06-17 | 2014-11-05 | 哈电集团（秦皇岛）重型装备有限公司 | A kind of dismantled and assembled small sample cupping machine jig |
| CN206410934U (en) * | 2017-01-16 | 2017-08-15 | 燕山大学 | A kind of multi-functional plate tensile sample mechanical property tests fixture just dismounted |
| CN206531724U (en) * | 2017-02-16 | 2017-09-29 | 西北工业大学 | A kind of titanium alloy auricle fatigue test clamper |
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|---|---|
| CN113959634B (en) | 2024-03-15 |
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