CN200975876Y - Positioning error experiment measuring apparatus - Google Patents

Positioning error experiment measuring apparatus Download PDF

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Publication number
CN200975876Y
CN200975876Y CN 200620150078 CN200620150078U CN200975876Y CN 200975876 Y CN200975876 Y CN 200975876Y CN 200620150078 CN200620150078 CN 200620150078 CN 200620150078 U CN200620150078 U CN 200620150078U CN 200975876 Y CN200975876 Y CN 200975876Y
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CN
China
Prior art keywords
slide carriage
leading screw
forth
fast
fine setting
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
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CN 200620150078
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Chinese (zh)
Inventor
孙杰
门长峰
何敏禄
栾虔勇
王金凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN ENGINEERING NORMAL COLLEGE
Tianjin University of Technology
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TIANJIN ENGINEERING NORMAL COLLEGE
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Priority to CN 200620150078 priority Critical patent/CN200975876Y/en
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Publication of CN200975876Y publication Critical patent/CN200975876Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a positional error experimental measurer, which mainly comprises a pedestal, a guiding screw rod, a fast reciprocating moving screw rod support, a coarse adjusting nut, a fine adjusting pedestal, a fine adjusting knob, a dovetail slide carriage, a lever indicator support, a lever indicator, a precision closed rectangular guide rail, a reciprocating slide carriage, a dial indicator support, a dial indicator, a fast reciprocating moving screw rod and a reciprocating adjusting knob. The positional error experimental measurer provided can measure the numerical value of positional error in the positioning of a workpiece using cylindrical holes, the experimental proposal can linearly amplify the numerical value of the systematic error and lower the random error at the same time, thereby reducing the influence of the random error on the measurement, hence the utility model can effectively improve the precision of the positional error measurement. In addition, the measurer has the advantages of simple structure, rationality and operability, good teachableness and so on.

Description

Positioning error experiment measuring instrument
Technical field
The utility model relates to a kind of positioning error experiment measuring instrument, particularly relates to a kind of measuring accuracy height and the simple positioning error experiment measuring of operating process instrument.
Background technology
Positioning error is meant the error that the position of a collection of workpiece in anchor clamps is inconsistent and cause, the basis displacement sum of errors operation benchmark that it is caused by the foozle of locating pair do not overlap with positioning reference and the benchmark that causes not coincidence error form.The measurement of positioning error is to adopt relatively mensuration in the experiment at present.This method is to carry out the measurement of different parameters, the positioning error when locating with cylindrical hole with measuring workpieces according to the reason that produces positioning error.Find constant systematic error because this measuring method is applicable to, but do not find that up to now any Analysis of Positioning Error experimental provision that can accurately determine is seen in report.
Summary of the invention
In order to solve above-mentioned purpose, the purpose of this utility model is to provide a kind of measuring accuracy height, operating process is simple and teaching property is strong positioning error experiment measuring instrument.
In order to achieve the above object, the positioning error experiment measuring instrument that provides of the utility model mainly comprise base, guiding leading screw column, fast move back and forth leading screw bearing, coarse adjustment nut, fine setting pedestal, dovetail slide carriage, vernier adjustment knob, lever indicator seat, lever indicator, accurate enclosed right angle guide rail, back and forth slide carriage, percentage gauge stand, dial gauge, move back and forth leading screw and reciprocal adjusting knob fast; Wherein horizontally disposed base is tabular, and one end centre is vertically installed with a guiding leading screw column, and other end edge center position be provided with vertically that a top is formed with that mobile leading screw runs through screw move back and forth the leading screw bearing fast; Form the outer circumference surface bottom that female ring-type coarse adjustment nut is connected guiding leading screw column on the inner peripheral surface; One end middle part is formed with the fine setting pedestal that the leading screw column runs through endoporus and is installed on the leading screw column outer circumference surface that is positioned at coarse adjustment nut upside, and the end face middle part that is positioned at end opposite has been recessed to form a dovetail groove along the vertical direction; The dovetail slide carriage is installed in the dovetail groove of fine setting pedestal in the mode that can move up and down; Vernier adjustment knob runs through a side of finely tuning pedestal and is installed on the fine setting pedestal, and its rear portion links to each other by the rear end of micro-adjusting mechanism with the dovetail slide carriage; The lever indicator seat is arranged on the middle part, lower end, outer face of dovetail slide carriage, and lever indicator then is installed on the outer face of lever indicator seat; Accurate enclosed right angle guide rail is tabular, is horizontally set on the susceptor surface near bearing one end; Back and forth the side of slide carriage is L-shaped, is formed with an axle through hole on its vertical edges, and can be installed in along the mode that left and right directions moves on the accurate enclosed right angle guide rail; The percentage gauge stand is L shaped, and its vertical edges is installed on the vertical edges lateral surface of reciprocal slide carriage, and also be formed with on the vertical edges one with back and forth slide carriage upper spindle through hole position and measure-alike axle through hole; Dial gauge is installed in the surface level front end of percentage gauge stand, and the table bar vertically downward; The front end that moves back and forth leading screw fast is connected an end of reciprocal slide carriage surface level; Back and forth adjusting knob then is fixed on the rear end that moves back and forth leading screw fast.
Described be positioned on the base the fine setting pedestal and back and forth the distance between slide carriage greater than measured Workpiece length.
Positioning error numerical value when the positioning error experiment measuring instrument that the utility model provides can be located with cylindrical hole workpiece is measured, experimental program can be when dwindling the randomness error numerical value of linear amplification system error, thereby reduce of the influence of randomness error, therefore can improve the precision that positioning error is measured effectively measuring.Advantage such as in addition, this measuring instrument has simple and reasonable for structure and operability, teaching be strong.
Description of drawings
The positioning error experiment measuring instrument structural perspective that Fig. 1 provides for the utility model.
Embodiment
As shown in Figure 1, the positioning error experiment measuring instrument that provides of the utility model mainly comprise mainly comprise base 1, guiding leading screw column 5, fast move back and forth leading screw bearing 11, coarse adjustment nut 2, fine setting pedestal 3, dovetail slide carriage 6, vernier adjustment knob 4, lever indicator seat 15, lever indicator 16, accurate enclosed right angle guide rail 8, back and forth slide carriage 7, percentage gauge stand 18, dial gauge 20, move back and forth leading screw 9 and reciprocal adjusting knob 10 fast; Wherein horizontally disposed base 1 is tabular, and one end centre is vertically installed with a guiding leading screw column 5, and other end edge center position be provided with vertically that a top is formed with that mobile leading screw runs through screw 12 move back and forth leading screw bearing 11 fast; Form the outer circumference surface bottom that female ring-type coarse adjustment nut 2 is connected guiding leading screw column 5 on the inner peripheral surface; One end middle part is formed with the fine setting pedestal 3 that the leading screw column runs through endoporus 13 and is installed on leading screw column 5 outer circumference surfaces that are positioned at coarse adjustment nut 2 upsides, and the end face middle part that is positioned at end opposite has been recessed to form a dovetail groove 14 along the vertical direction; Dovetail slide carriage 6 is installed in the dovetail groove 14 of fine setting pedestal 3 in the mode that can move up and down; Vernier adjustment knob 4 runs through a side of finely tuning pedestal 3 and is installed on the fine setting pedestal 3, and its rear portion links to each other by the rear end of micro-adjusting mechanism with dovetail slide carriage 6; Lever indicator seat 15 is arranged on the middle part, lower end, outer face of dovetail slide carriage 6, and lever indicator 16 then is installed on the outer face of lever indicator seat 15; Accurate enclosed right angle guide rail 8 is tabular, is horizontally set on base 1 surface near bearing 11 1 ends; Back and forth the side of slide carriage 7 is L-shaped, is formed with an axle through hole on its vertical edges 17, and can be installed in along the mode that left and right directions moves on the accurate enclosed right angle guide rail 8; Percentage gauge stand 18 is L shaped, and its vertical edges 19 is installed on vertical edges 17 lateral surfaces of reciprocal slide carriage 7, and also be formed with on the vertical edges 19 one with back and forth slide carriage 7 upper spindle through hole positions and measure-alike axle through hole; Dial gauge 20 is installed in the surface level front end of percentage gauge stand 18, and the table bar vertically downward; The front end that moves back and forth leading screw 9 fast is connected an end of reciprocal slide carriage 7 surface levels; Back and forth adjusting knob 10 then is fixed on the rear end that moves back and forth leading screw 9 fast.Described be positioned on the base 1 fine setting pedestal 3 and back and forth the distance of 7 of slide carriages greater than measured Workpiece length.
The positioning error experiment measuring instrument that the utility model provides usually with workpiece 21 with cylindrical hole and can be inserted in the above-mentioned cylindrical hole and the axle 22 that cooperatively interacts with this hole as a test specimen group.When needing a certain operation benchmark positioning error of measuring workpieces 21, at first workpiece 21 in the 1st test specimen group and axle 22 are assembled, then with the rear end of axle 22 from the vertical edges 17 of reciprocal slide carriage 7 in vertical edges 19 directions of percentage gauge stand 18 are inserted in axle through hole on reciprocal slide carriage 7 and the percentage gauge stand 18, determine the position of good operation benchmark simultaneously.Utilizing the method drive of rotating reciprocal adjusting knob 10 to move back and forth leading screw 9 fast then rotates together, thereby promote reciprocal slide carriage 7 and workpiece 21 and axle 22 mounted thereto is moved to the left along accurate enclosed right angle guide rail 8, till workpiece 21 is near lever indicator 16.Utilize afterwards the method for rotation coarse adjustment nut 2 promote to finely tune pedestal 3 and on dovetail slide carriage 6, lever indicator seat 15 and lever indicator 16 move up or down along guiding leading screw columns 5, move up and down realizing the consistance of meter-pressing amount when lever indicator 16 drives dovetail slide carriage 6 with the method for rotary fine adjustment knob 4 during near the position of operation benchmark again, thereby guarantee the accuracy of each measurement data.The placement error value that produces when on dial gauge 20 simulation cutter milling workpiece 21, measuring in this operation reference position by lever indicator 16 in the plane afterwards.Behind the workpiece 21 in measuring the 1st test specimen group, with the indicator of lever indicator 16 to zero.Utilize the method for the reciprocal adjusting knob 10 of reverse rotation to drive then to move back and forth leading screw 9 fast and rotate together, thereby promoting reciprocal slide carriage 7 and workpiece 21 and axle 22 moves right along accurate enclosed right angle guide rail 8, workpiece 21 ' and the axle 22 ' in the corresponding test specimen group taken off and replaced with to the workpiece 21 that will just measure when waiting to move to low order end and axle 22, utilizing the method drive of rotating reciprocal adjusting knob 10 to move back and forth leading screw 9 fast afterwards once more rotates together, thereby promoting reciprocal slide carriage 7 and workpiece 21 ' and axle 22 ' is moved to the left along accurate enclosed right angle guide rail 8, read the difference of reading of the relative zero-bit of lever indicator 16 indicators when waiting to move to high order end, this difference is placement error value.

Claims (2)

1, a kind of positioning error experiment measuring instrument is characterized in that: described positioning error experiment measuring instrument mainly comprise base (1), guiding leading screw column (5), fast move back and forth leading screw bearing (11), coarse adjustment nut (2), fine setting pedestal (3), dovetail slide carriage (6), vernier adjustment knob (4), lever indicator seat (15), lever indicator (16), accurate enclosed right angle guide rail (8), back and forth slide carriage (7), percentage gauge stand (18), dial gauge (20), move back and forth leading screw (9) and reciprocal adjusting knob (10) fast; Wherein horizontally disposed base (1) is tabular, one end centre is vertically installed with a guiding leading screw column (5), and other end edge center position be provided with vertically that a top is formed with that mobile leading screw runs through screw (12) move back and forth leading screw bearing (11) fast; Form the outer circumference surface bottom that female ring-type coarse adjustment nut (2) is connected guiding leading screw column (5) on the inner peripheral surface; One end middle part is formed with the fine setting pedestal (3) that the leading screw column runs through endoporus (13) and is installed on leading screw column (5) outer circumference surface that is positioned at coarse adjustment nut (2) upside, and the end face middle part that is positioned at end opposite has been recessed to form a dovetail groove (14) along the vertical direction; Dovetail slide carriage (6) is installed in the dovetail groove (14) of fine setting pedestal (3) in the mode that can move up and down; The side that vernier adjustment knob (4) runs through fine setting pedestal (3) is installed on the fine setting pedestal (3), and its rear portion links to each other by the rear end of micro-adjusting mechanism with dovetail slide carriage (6); Lever indicator seat (15) is arranged on the middle part, lower end, outer face of dovetail slide carriage (6), and lever indicator (16) then is installed on the outer face of lever indicator seat (15); Accurate enclosed right angle guide rail (8) is tabular, is horizontally set on base (1) surface near bearing (11) one ends; Back and forth the side of slide carriage (7) is L-shaped, is formed with an axle through hole on its vertical edges (17), and can be installed on the accurate enclosed right angle guide rail (8) along the mode that left and right directions moves; Percentage gauge stand (18) is L shaped, and its vertical edges (19) is installed on vertical edges (17) lateral surface of reciprocal slide carriage (7), and also be formed with on the vertical edges (19) one with back and forth slide carriage (7) upper spindle through hole position and measure-alike axle through hole; Dial gauge (20) is installed in the surface level front end of percentage gauge stand (18), and the table bar vertically downward; The front end that moves back and forth leading screw (9) fast is connected an end of reciprocal slide carriage (7) surface level; Back and forth adjusting knob (10) then is fixed on the rear end that moves back and forth leading screw (9) fast.
2, positioning error experiment measuring instrument according to claim 1 is characterized in that: described be positioned on the base (1) fine setting pedestal (3) and back and forth the distance between slide carriage (7) greater than measured Workpiece length.
CN 200620150078 2006-11-29 2006-11-29 Positioning error experiment measuring apparatus Expired - Fee Related CN200975876Y (en)

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CN 200620150078 CN200975876Y (en) 2006-11-29 2006-11-29 Positioning error experiment measuring apparatus

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Application Number Priority Date Filing Date Title
CN 200620150078 CN200975876Y (en) 2006-11-29 2006-11-29 Positioning error experiment measuring apparatus

Publications (1)

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CN200975876Y true CN200975876Y (en) 2007-11-14

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CN 200620150078 Expired - Fee Related CN200975876Y (en) 2006-11-29 2006-11-29 Positioning error experiment measuring apparatus

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162768A (en) * 2010-12-29 2011-08-24 中国计量学院 Device for detecting performance of static pressure air flotation guide rail and using method of device
CN104174774A (en) * 2014-07-23 2014-12-03 安徽卓金标准件有限公司 Floating stop pin riveting piece
CN105004294A (en) * 2015-05-21 2015-10-28 苏州市吴中区胥口广博模具加工厂 Middle spring pin stable measurement mechanism in automobile accelerator pedal detection device
CN108922353A (en) * 2018-08-22 2018-11-30 南京林业大学 The adjustable fast leveling type spectrometer of pedestal
CN109099821A (en) * 2018-09-20 2018-12-28 无锡吉兴汽车声学部件科技有限公司 For detecting acoustic part of automobile fabric face detection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102162768A (en) * 2010-12-29 2011-08-24 中国计量学院 Device for detecting performance of static pressure air flotation guide rail and using method of device
CN102162768B (en) * 2010-12-29 2012-09-05 中国计量学院 Device for detecting performance of static pressure air flotation guide rail and using method of device
CN104174774A (en) * 2014-07-23 2014-12-03 安徽卓金标准件有限公司 Floating stop pin riveting piece
CN105004294A (en) * 2015-05-21 2015-10-28 苏州市吴中区胥口广博模具加工厂 Middle spring pin stable measurement mechanism in automobile accelerator pedal detection device
CN108922353A (en) * 2018-08-22 2018-11-30 南京林业大学 The adjustable fast leveling type spectrometer of pedestal
CN109099821A (en) * 2018-09-20 2018-12-28 无锡吉兴汽车声学部件科技有限公司 For detecting acoustic part of automobile fabric face detection device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071114

Termination date: 20091229