CN113959634B - Multipurpose gauge suitable for wide-range force standard machine - Google Patents
Multipurpose gauge suitable for wide-range force standard machine Download PDFInfo
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- CN113959634B CN113959634B CN202111259621.8A CN202111259621A CN113959634B CN 113959634 B CN113959634 B CN 113959634B CN 202111259621 A CN202111259621 A CN 202111259621A CN 113959634 B CN113959634 B CN 113959634B
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- 238000001514 detection method Methods 0.000 claims abstract description 72
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram 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
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a multipurpose gauge suitable for a wide-range force standard machine, and relates to the field of detection of force standard machines. The U-shaped mounting table comprises two U-shaped mounting tables, an upper pull head and a lower pull head, wherein the bottom surface of the U-shaped mounting table is a plane, threaded holes for fixing are formed in the bottom surface of the U-shaped mounting table, a pair of opposite main pin holes I are formed in the two side walls of the U-shaped mounting table, the upper pull head and the lower pull head are similar in structure and comprise integrally formed cuboid-shaped connecting parts and U-shaped detection connecting parts, the width of each connecting part is matched with the interval between the inner side walls of the U-shaped mounting table, main pin holes II are formed in the connecting part body, and the main pin holes II are matched with the main pin holes I; the bottom surface of the connecting part II of the lower pull head is also provided with a concentric circular plate groove; the two U-shaped installation tables are respectively located at the upper part and the lower part, the openings of the two U-shaped installation tables are opposite, the U-shaped installation table located at the upper part is connected with the upper pull head through the master pin, and the U-shaped installation table located at the lower part is connected with the lower pull head through the master pin. The split type multipurpose gauge is simple in structure, and the gauge does not need to be disassembled when being replaced.
Description
Technical Field
The invention relates to the field of detection of force standard machines, in particular to a multipurpose gauge applicable to a wide-range force standard machine.
Background
The gauge of the force standard machine is the most important force measuring device for calibrating and calibrating the force measuring instrument. The similar detection tools at home and abroad have the following defects: the method can not be applied to the detection environment of the pressing force and the pulling force at the same time, and is extremely critical for the detection specification of the dynamometer. Especially for wide-range force standard machines, the detection tools for detecting different force measuring instruments are frequently replaced, the detection tools for detecting the force measuring instruments with large force values are extremely heavy, time and labor are consumed in replacing and disassembling, and certain accident risks exist.
Therefore, a split type multipurpose gauge is needed to be designed, and the gauge can be used for detecting a small-force-value dynamometer without disassembling the large-force-value gauge when the gauge is replaced, so that the problem is solved.
Disclosure of Invention
The invention provides an improved multipurpose gauge applicable to a wide-range force standard machine, which aims to solve the problems that the gauge needs to be replaced between a wide range and a small range and is inconvenient to disassemble when the force standard machine detects a force measuring instrument.
The invention is realized by the following technical scheme: the utility model provides a multi-purpose utensil of examining suitable for wide range force standard machine, includes two U-shaped mount tables, goes up pull head and lower pull head, U-shaped mount table bottom surface is the plane, it has a screw hole that is used for fixed to open on the bottom surface of U-shaped mount table, open on both sides wall has a pair of king pin hole I just to go up pull head, upward pull head includes cuboid form connecting portion I and U-shaped detection connecting portion I of integrated into one piece, the width of connecting portion I and the inside wall interval phase-match of U-shaped mount table, open main pinhole II on the connecting portion I body, king pin hole II along connecting portion I body width direction and with king pin hole I match; the lower pull head comprises a cuboid 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 interval between the inner side walls of the U-shaped mounting table, a main pin hole II is formed in a connecting part II body, the main pin hole II is matched with the main pin hole I along the width direction of the connecting part II body, and a concentric circular plate groove is formed in the bottom surface of the connecting part II; the two U-shaped installation tables are respectively located at the upper part and the lower part, the openings of the two U-shaped installation tables are opposite, the U-shaped installation table located at the upper part is connected with the upper pull head through the master pin, and the U-shaped installation table located at the lower part is connected with the lower pull head through the master pin.
The invention designs a multipurpose gauge 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 inside the multipurpose gauge are replaced only according to the measured tension or the range of a pressure force measuring instrument so as to meet the requirement of wide-range measurement. The checking fixture comprises two U-shaped installation tables, an upper pull head and a lower pull head, wherein the two U-shaped installation tables are respectively positioned at the upper part and the lower part and are opposite in opening, the bottom surface of the U-shaped installation table is a plane, threaded holes for fixing are formed in the bottom surface of the U-shaped installation table and are reliably connected with a transverse beam or a working platform of a force standard machine, a pair of opposite main pin holes I are formed in the two side walls and are used for installing the upper pull head and the lower pull head, the upper pull head and the lower pull head can rotate in the U-shaped installation tables respectively by taking main pins in the main pin holes I as shafts, the upper pull head and the lower pull head are similar in structure, and concentric circular plate grooves are formed in the bottom of the lower pull head and are used for installing concentric circular plates in order to meet the pressure measurement requirement. The upper pull head and the lower pull head comprise integrally formed cuboid-shaped connecting parts and U-shaped detection connecting parts, and the connecting parts of the upper pull head and the lower pull head are used for being connected with a U-shaped mounting table, so that main pin holes II are formed in connecting part bodies of the upper pull head and the lower pull head and matched with the main pin holes I, the upper pull head is connected with the U-shaped mounting table positioned above by adopting a main pin, and the lower pull head is connected with the U-shaped mounting table positioned below; the U-shaped detection connecting parts of the upper pull head and the lower pull head are used for being connected with a tension dynamometer when the tension measuring range is detected, and the U-shaped detection connecting part I of the upper pull head is required to be 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 pressing force is required to be detected, the upper pull head and the lower pull head are respectively rotated for 180 degrees, the bottom surfaces of the upper pull head and the lower pull head are opposite, the concentric circular plates are inserted into the concentric circular plate grooves of the lower pull head, the positions of the upper pull head and the lower pull head are fixed by adopting any method capable of fixing the positions of the upper pull head and the lower pull head, then pressing force detection equipment is placed between the upper pull head and the lower pull head, the concentric circular plates are adopted for centering, and then detection is carried out. The invention specifically operates as follows: the method comprises the steps that through threaded holes in the bottoms of U-shaped installation tables, two U-shaped installation tables are respectively installed above and below a cross beam or a working platform of a force standard machine, then a master pin is adopted, an upper pull head is installed on the U-shaped installation table above, a lower pull head is installed on the U-shaped installation table below, 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, the U-shaped detection connecting part I is connected with pulling force detection equipment, and then the upper pull head is pulled in the opposite direction to carry out the pulling force test; when the pressing force is required to be detected, the upper pull head and the lower pull head are respectively rotated for 180 degrees, 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, pressing force detection equipment is arranged between the upper pull head and the lower pull head, then a concentric circular plate is inserted into the concentric circular plate groove, and the concentric circular plate is adopted to lead the concentric circular plate groove to be centered, so that the pressing force is tested; if the large-range pulling force detection is needed, only the upper and lower pull heads are replaced, and the U-shaped mounting table is not required to be moved.
Preferably, two opposite pairs of secondary pin holes are formed on two side walls of the U-shaped detection connecting part I; 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 parts I and II respectively and are used for being correspondingly connected with the two holes of the tension detection equipment.
Preferably, two pairs of opposite auxiliary pin holes I are formed in the two side walls of the U-shaped mounting table, two pairs of opposite auxiliary pin holes II are formed in the two side walls of the U-shaped detection connecting part I, two pairs of opposite auxiliary pin holes II are formed in the two side walls of the U-shaped detection connecting part II, and the positions of the auxiliary pin holes II are matched with the positions of the corresponding auxiliary pin holes I; further, when the bottom surfaces of the upper pull head and the lower pull head are opposite, the auxiliary pin holes II of the U-shaped detection connecting part I and the U-shaped detection connecting part II are respectively penetrated with auxiliary pins for being connected with the U-shaped installation table, and concentric circular plates are inserted into concentric circular plate grooves in the bottom surfaces 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 end connected through screws. The design ensures that various pins are not easy to fall off, and ensures the reliable connection of various components.
Compared with the prior art, the invention has the following beneficial effects: the multipurpose gauge applicable to the wide-range force standard machine is simple in structure, is a split multipurpose gauge, can be used for detecting a small force value dynamometer only by replacing the upper pull head and the lower pull head without disassembling the large force value gauge when the gauge is replaced, and therefore the problems that the replacement of the gauge is time-consuming and labor-consuming and the risk of accidents exists are solved.
Drawings
FIG. 1 is an exploded view of the structure of the present invention when applied to the detection of a pulling force.
Fig. 2 is a front view of the structure of the present invention when applied to the detection of a pulling force.
Fig. 3 is a structural assembly diagram of the present invention applied to the detection of a pulling force.
Fig. 4 is an exploded view of the structure of the present invention when applied to the detection of pressing force.
Fig. 5 is a front view of the structure of the present invention when applied to the detection of pressing force.
Fig. 6 is a structural assembly diagram of the present invention applied to the detection of pressing force.
Fig. 7 is a schematic structural view of the U-shaped mounting table of the present invention.
FIG. 8 is a schematic view of the structure of the pull-up head of the present invention.
FIG. 9 is a schematic view of a lower slider according to the present invention.
The figures are labeled as follows: the device comprises a 1-U-shaped mounting table, a 2-threaded hole, a 3-upper pull head, a 4-lower pull head, a 5-main pin hole I, a 6-auxiliary pin hole I, a 7-secondary pin hole, an 8-auxiliary pin hole II, a 9-concentric circular plate, a 10-main pin hole II, a 11-concentric circular plate groove, a 301-connecting part I, a 302-U-shaped detection connecting part I, a 401-connecting part II, a 402-U-shaped detection connecting part II, a 51-main pin, a 71-secondary pin and an 81-auxiliary pin.
Detailed Description
The invention is further illustrated below with reference to specific examples.
A multipurpose gauge suitable for a wide-range force standard machine is shown in FIG. 1, FIG. 4 and FIG. 7-FIG. 9: the novel U-shaped mounting table comprises two U-shaped mounting tables 1, an upper pull head 3 and a lower pull head 4, wherein the bottom surface of the U-shaped mounting table 1 is a plane, threaded holes 2 used for fixing are formed in the bottom surface of the U-shaped mounting table 1, a pair of opposite main pin holes I5 are formed in the two side walls of the U-shaped mounting table, the upper pull head 3 comprises a cuboid-shaped connecting part I301 and a U-shaped detection connecting part I302 which are integrally formed, the width of the connecting part I301 is matched with the interval 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 I301, and the main pin hole II 10 is matched with the main pin hole I5 along the width direction of the body of the connecting part I301; the lower pull head 4 comprises a cuboid 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 interval between the inner side walls of the U-shaped mounting table 1, a main pin hole II 10 is formed in the connecting part II 401 body, the main pin hole II 10 is matched with the main pin hole I5 along the width direction of the connecting part II 401 body, and a concentric circular plate groove 11 is formed in the bottom surface of the connecting part II 401; the two U-shaped installation tables 1 are respectively located at the upper side and the lower side, the openings of the two U-shaped installation tables 1 are opposite, the U-shaped installation table 1 located at the upper side is connected with the upper pull head 3 through the master pin 51, and the U-shaped installation table 1 located at the lower side is connected with the lower pull head 4 through the master pin 51.
In this embodiment, a preferred scheme is adopted: two opposite pairs of secondary pin holes 7 are formed in the two side walls of the U-shaped detection connecting part I302; a pair of opposite secondary pin holes 7 are formed on two side walls of the U-shaped detection connecting part II 402; two pairs of opposite auxiliary pin holes I6 are formed in the two side walls of the U-shaped mounting table 1, two pairs of opposite auxiliary pin holes II 8 are formed in the two side walls of the U-shaped detection connecting portion I302, two pairs of opposite auxiliary pin holes II 8 are formed in the two side walls of the U-shaped detection connecting portion II 402, and the positions of the auxiliary pin holes II 8 are matched with the positions of the corresponding auxiliary pin holes I6. When the openings of the U-shaped detection connecting parts of the upper pull head 3 and the lower pull head 4 are opposite, the secondary pin 71 penetrates through the secondary pin holes 7 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 are opposite, the auxiliary pin 81 is inserted into the auxiliary pin hole ii 8 of each of the U-shaped detection connecting portion i 302 and the U-shaped detection connecting portion ii 402, and is used for connecting with the U-shaped mounting table 1, and the concentric circular plate 9 is inserted into the concentric circular plate groove 11 on the bottom surface of the connecting portion ii 401 of the lower slider 4. The main pin 51, the sub pin 71 and the auxiliary pin 81 are clamping bosses with one fixed end, and the other end is connected with a clamping plate through screws.
The specific operation of this embodiment is: the method comprises the steps that through threaded holes 2 in the bottoms of U-shaped installation tables 1, two U-shaped installation tables 1 are respectively installed above and below a cross beam or a working platform of a force standard machine, then a main pin 51 is adopted, an upper pull head 3 is installed on the U-shaped installation table 1 above, a lower pull head 4 is installed on the U-shaped installation table 1 below, when a pulling force is required to be detected, 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 3 is connected with a pulling force detection device through a secondary pin hole 7 and a secondary pin 71, and then the upper pull head 3 is pulled in the opposite direction to carry out a pulling force test; when the pressing force detection is needed, the upper pull head 3 and the lower pull head 4 are respectively rotated for 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 U-shaped mounting table 1 above and below through the auxiliary pin hole I6, the auxiliary pin hole II 8 and the auxiliary pin 81, then the concentric circular plate 9 is inserted into the concentric circular plate groove 11, 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 for centering, so that the pressing force detection is carried out; if the large-range pulling force detection is needed, only the upper and lower pull heads are replaced, and the U-shaped mounting table 1 is not required to be moved.
The scope of the present invention is not limited to the above embodiments, and various modifications and alterations of the present invention will become apparent to those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a utensil is examined to multi-purpose suitable for wide range force standard machine which characterized in that: the novel U-shaped mounting table comprises two U-shaped mounting tables (1), an upper pull head (3) and a lower pull head (4), wherein the bottom surface of the U-shaped mounting table (1) is a plane, a threaded hole (2) for fixing is formed in the bottom surface of the U-shaped mounting table (1), a pair of main pin holes I (5) are formed in the two side walls of the U-shaped mounting table, the upper pull head (3) comprises a cuboid connecting part I (301) and a U-shaped detection connecting part I (302), which are integrally formed, the width of the connecting part I (301) is matched with the interval between the inner side walls of the U-shaped mounting table (1), a main pin hole II (10) is formed in a body of the connecting part I (301), and the main pin hole II (10) is matched with the main pin holes I (5) along the width direction of the body of the connecting part I (301); the lower pull head (4) comprises a cuboid 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 interval between the inner side walls of the U-shaped mounting table (1), a main pin hole II (10) is formed in the connecting part II (401) body, the main pin hole II (10) is matched with the main pin hole I (5) along the width direction of the connecting part II (401) body, and a concentric circular plate groove (11) is formed in the bottom surface of the connecting part II (401);
the two U-shaped mounting tables (1) are respectively positioned at the upper part and the lower part, the openings of the two U-shaped mounting tables are opposite, the U-shaped mounting table (1) positioned at the upper part is connected with the upper pull head (3) through the master pin (51), and the U-shaped mounting table (1) positioned at the lower part is connected with the lower pull head (4) through the master pin (51);
when the pulling force detection is needed, the U-shaped detection connecting part I (302) of the upper pull head (3) is opposite to the U-shaped detection connecting part II (402) of the lower pull head (4); when the pressing force is required to be detected, the upper pull head (3) and the lower pull head (4) are respectively rotated for 180 degrees, and then the bottom surfaces are opposite.
2. The multipurpose gauge for a wide range force standard machine of claim 1, wherein: two opposite pairs of secondary pin holes (7) are formed in the two side walls of the U-shaped detection connecting part I (302); two opposite pairs of secondary pin holes (7) are formed in the two side walls of the U-shaped detection connecting part II (402).
3. The multipurpose gauge for a wide range force standard machine according to claim 1 or 2, wherein: two pairs of opposite auxiliary pin holes I (6) are formed in the two side walls of the U-shaped mounting table (1), two pairs of opposite auxiliary pin holes II (8) are formed in the two side walls of the U-shaped detection connecting portion I (302), two pairs of opposite auxiliary pin holes II (8) are formed in the two side walls of the U-shaped detection connecting portion II (402), and the positions of the auxiliary pin holes II (8) are matched with the positions of the corresponding auxiliary pin holes I (6).
4. A multipurpose gauge for a wide range force standard machine according to claim 3, wherein: when the openings of the U-shaped detection connecting parts of the upper pull head (3) and the lower pull head (4) are opposite, the secondary pin (71) is penetrated in the 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. A multipurpose gauge for a wide range force standard machine according to claim 3, wherein: when the bottom surfaces of the upper pull head (3) and the lower pull head (4) are opposite, the auxiliary pin (81) is penetrated in the auxiliary 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 installation table (1), and the concentric circular plate (9) is inserted in the concentric circular plate groove (11) on the bottom surface of the connecting part II (401) of the lower pull head (4).
6. The multipurpose gauge for a wide range force standard machine of claim 4, wherein: the main pin (51) and the secondary pin (71) are clamping bosses with one ends fixed, and the other ends are connected with clamping plates through screws.
7. The multipurpose gauge for a wide range force standard machine of claim 5, wherein: the main pin (51) and the auxiliary pin (81) are clamping bosses with one ends fixed, and the other ends are connected with clamping plates through screws.
8. The multipurpose gauge for a wide range force standard machine of claim 1, wherein: the upper pull head (3) and the lower pull head (4) can be replaced according to the measuring range of the measured tension force measuring instrument or the pressure force measuring instrument.
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 CN113959634A (en) | 2022-01-21 |
| CN113959634B true 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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| 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 |
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| CN109916715A (en) * | 2019-04-11 | 2019-06-21 | 西南交通大学 | A kind of test fixture |
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2021
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| 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 |
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| CN113959634A (en) | 2022-01-21 |
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