CN203881285U - Device for measuring coaxiality - Google Patents

Device for measuring coaxiality Download PDF

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Publication number
CN203881285U
CN203881285U CN201420140326.XU CN201420140326U CN203881285U CN 203881285 U CN203881285 U CN 203881285U CN 201420140326 U CN201420140326 U CN 201420140326U CN 203881285 U CN203881285 U CN 203881285U
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China
Prior art keywords
fixed
support
measuring
plate
front holder
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CN201420140326.XU
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Chinese (zh)
Inventor
冀国峰
宁广西
韩应付
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Aerospace Precision Products Co Ltd
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Aerospace Precision Products Co Ltd
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Priority to CN201420140326.XU priority Critical patent/CN203881285U/en
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Abstract

The utility model provides a device for measuring coaxiality. The device comprises a bottom plate, a fixing device and a measuring device, wherein the fixing device comprises a front fixing seat, two positioning wheels, a driving hand wheel, a bearing wheel, a supporting plate and a spring, and the measuring device comprises a moving slider, an instrument support, a pushing tip slider and a dial indicator. A workpiece to be measured is clamped through the two positioning wheels and the bearing wheel and thereafter is rotated; the pushing tip slider abuts against a screwing groove through a pushing tip so as to move up and down; the dial indicator is made to indicate a numerical value; and therefore, the coaxiality can be obtained. With the device for measuring the coaxiality of the utility model adopted, man-made measuring errors can be effectively prevented, and measurement accuracy and efficiency can be improved.

Description

A kind of for measuring the device of right alignment
Technical field
The utility model relates to a kind of machine parts measurement device, the right alignment of the twisting groove of especially measuring head band twisting slot bolt to bolt shank.
Background technology
Flourish along with Aeronautics and Astronautics field, each field requires more and more higher to high-precision securing member, and how accurately the various form and position tolerances of measurement are most important for the production of high precision securing member.And the right alignment of head band twisting slot bolt (hereinafter referred to as " trough of belt class bolt ") has a strong impact on the mechanical property of product, especially fatigue behaviour and twisting performance, therefore, Measurement accuracy guarantee that its right alignment is most important to the usability of securing member series products and security performance in critical field.
The traditional approach of measuring trough of belt class bolt right alignment, normally utilizes vernier caliper directly to measure bolt head with respect to the deviation of screw rod, first determines that head is for the right alignment of bar portion, then measures the symmetry of twisting groove, thereby guarantee the right alignment of twisting groove.But these class methods are comparatively complicated, are unfavorable for timely measurement while producing product in enormous quantities, and there is larger personal error and measure cumulative errors, can accurately not reflect instant machining precision, and this method efficiency being lower.
Summary of the invention
Problem to be solved in the utility model is to provide a kind ofly can effectively prevent that artificial measuring error, measuring accuracy are high, measure the device that efficiency is high, be used for measuring twisting groove and bolt shank right alignment in head band twisting slot bolt.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of and comprise base plate, stationary installation and measurement mechanism for measuring the device of right alignment,
Described stationary installation comprises front holder, two locating wheels, active handwheel, bearing wheel, support plate and springs, described front holder is fixed on described base plate, two mutually circumscribed placements of described locating wheel, be fixed on the same side of described front holder, two locating wheels are driven by described active handwheel, described bearing wheel is positioned at two above locating wheel, bearing wheel is fixed on described support plate, support plate is fixed on described front holder by support, support plate is rotatably mounted on support, described spring is vertically fixed on described support, and be positioned at described support plate below;
Described measurement mechanism comprises moving slider, instrument support, top slide block and dial gauge, described moving slider is fixed on described base plate movably, described instrument support is fixed on moving slider, on instrument support, be fixed with upper supporting plate and lower carrier plate, described top slide block can slide up and down to be fixed between described upper supporting plate and lower carrier plate, top slide block is provided with top, towards described front holder, relative with two locating wheels, described dial gauge is fixed on upper supporting plate, and the gauge head of dial gauge contacts with the upper surface of described top slide block through after upper supporting plate.
Further, two described locating wheels are fixed on respectively the same side of described front holder by axle, described active handwheel is fixed on the opposite side of described front holder, and initiatively handwheel is by two locating wheels of belt drives, can make two locating wheels respectively around axle rotation separately.
Further, described bearing wheel is positioned at the upside at two tangent places of described locating wheel, by axle, is fixed on support plate, and bearing wheel can pivot.
Further, described support upper surface is provided with a groove, and described support plate is rotatably mounted to by axle in the groove of described support, and what described spring was vertical is fixed in groove, be positioned at described support plate below, and spring and described bearing wheel lay respectively at the both sides of described axle.
Further, described support upper surface is provided with a groove, and described support plate is rotatably mounted to by axle in the groove of described support, and what described spring was vertical is fixed in groove, be positioned at described support plate below, and spring is positioned at the centre of described axle and bearing wheel.
Further, parallel two columns that are provided with between described upper supporting plate and lower carrier plate, described top slide block and described column are slidably connected.
Further, be also provided with rear holder on described base plate, described front holder and rear holder be the two ends in described base plate respectively, and described moving slider is positioned in the middle of front holder and rear holder.
Further, be parallel to base and be provided with guide rod between described front holder and rear holder, described moving slider moves along guide rod.
Advantage and the good effect that the utlity model has are: the utility model is fixed the bar portion of workpiece to be measured with two locating wheels and bearing wheel, and all circumscribed with workpiece bar portion, under the effect of active handwheel, make workpiece rotation, twisting groove drives top moving up and down, thereby can record according to the number of degrees of dial gauge the coaxiality error of twisting groove and bar portion, reduced manual operation, reduced artificial measuring error, degree of accuracy is high, measures efficiency high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is B-B schematic cross-section in Fig. 1;
Fig. 3 is A-A schematic cross-section in Fig. 1;
Fig. 4 is workpiece assembling schematic diagram to be measured of the present utility model.
In figure: 1-base plate; 2-guide rod; Holder after 3-; Holder before 4-;
5-locating wheel; 6-is handwheel initiatively; 7-support; 8-bearing wheel;
9-moving slider; 10-instrument support; 11-press strip; 12-is top;
13-dial gauge; 14-belt; 15-spring; The top slide block of 16-;
17-upper supporting plate; 18-lower carrier plate; 19-gauge head; 20-axle;
21 belts; 22-groove; 23-axle; 24-column.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1-Figure 3, the utility model provides a kind of and comprises base plate 1, stationary installation and measurement mechanism for measuring the device of right alignment,
Stationary installation comprises front holder 4, two locating wheels 5, active handwheel 6, bearing wheel 8, support plate 11 and spring 15, front holder 4 is fixed on base plate 1, two mutually circumscribed placements of locating wheel 5, be fixed on the same side of front holder 4, two locating wheels 4 are driven by active handwheel 6 simultaneously, bearing wheel 8 is positioned at above two locating wheels 5, bearing wheel 8 is fixed on support plate 11 by axle, support plate 11 is fixed on front holder 4 one sides by support 7, also be fixed on base plate 1 simultaneously, support plate 11 is rotatably mounted on support 7, spring 15 is vertically fixed on support 7, and be positioned at support plate 11 below.
Measurement mechanism comprises moving slider 9, instrument support 10, top slide block 16 and dial gauge 13, moving slider 9 is fixed on base plate 1 movably, instrument support 10 is fixed on moving slider 9, on instrument support 10, be fixed with upper supporting plate 17 and lower carrier plate 18, top slide block 16 can slide up and down to be fixed between upper supporting plate 17 and lower carrier plate 18, top slide block 16 is provided with top 12, top 12 towards stationary installation, dial gauge 13 is fixed on upper supporting plate 17, and the gauge head 19 of dial gauge 13 contacts with the upper surface of top slide block 16 through upper supporting plate 17 is rear.
Further, two locating wheels 5 are fixed on the upper end of the same side of front holder 4 by axle 20, initiatively handwheel 5 is fixed on the opposite side of front holder 4, and initiatively handwheel 5 is connected with axle 20 by belt 21, thereby drive two locating wheels 5, two locating wheels 5 are rotated around axle 20.
Further, bearing wheel 8 is positioned at the upside at two locating wheel 5 tangent places, and can form a space between two locating wheels, in order to place workpiece to be measured.
As shown in Figure 2, further, support 7 upper surfaces are provided with a groove 22, and support plate 11 is rotatably mounted in the groove 22 of support 7 by axle 23, bearing wheel 8 is positioned at a side of support 7, what spring 15 was vertical is fixed in groove 22, be positioned at support plate 11 below, and spring 15 and bearing wheel 8 lay respectively at the both sides of axle 23, now spring 15 is in confined state, spring 15 can head on support plate 11, thereby makes bearing wheel 8 have one to the power pressing down, thereby can compress workpiece to be measured.
In addition, spring can be positioned at the centre of axle 23 and bearing wheel, and now spring, in the state of being stretched, also can make bearing wheel 8 have one to the power pressing down, and this situation is not shown in the diagram.
Further, parallel two columns 24 that are provided with between upper supporting plate 17 and lower carrier plate 18, top slide block 16 is provided with two through holes, and two columns 24 pass two through holes, thereby can make top slide block 16 move up and down along column.
Further, be also provided with rear holder 3 on base plate 1, front holder 4 and rear holder 3 be the two ends in base plate 1 respectively, and moving slider 9 is positioned in the middle of front holder 4 and rear holder 3.
Further, be parallel to base 1 and be provided with guide rod 2 between front holder 4 and rear holder 3, moving slider 9 moves left and right along guide rod 2.
As shown in Figure 4, in use, workpiece to be measured is placed between locating wheel 5 and bearing wheel 8, now the bar portion of workpiece to be measured respectively with two locating wheels 5, bearing wheel 8 is mutually circumscribed, and under the effect of spring 15, can say that workpiece to be measured tightly pushes down, workpiece is provided with the head surface of twisting groove to top 12, promoting moving slider 9 makes it near clamping workpiece, by the twisting groove of top 12 tip alignment pieces, rotate initiatively handwheel 6, under the drive of belt, locating wheel 5 drives workpiece to be measured to rotate together with bearing wheel, be inserted in twisting groove due to top 12, in the process that workpiece rotates, top moving up and down, drive top slide block 16 to move up and down, now on dial gauge 13, different numerals will be demonstrated, record maximal value and minimum value that dial gauge 13 represents, the difference of two values is the coaxiality error of this workpiece twisting groove to bar portion.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the utility model scope and improvement etc., within all should still belonging to this patent covering scope.

Claims (8)

1. for measuring a device for right alignment, it is characterized in that: comprise base plate (1), stationary installation and measurement mechanism,
Described stationary installation comprises front holder (4), two locating wheels (5), active handwheel (6), bearing wheel (8), support plate (11) and spring (15), described front holder (4) is fixed on described base plate (1), the mutually circumscribed placement of two described locating wheels (5), be fixed on the same side of described front holder (4), two locating wheels (5) are driven by described active handwheel (6), described bearing wheel (8) is positioned at two locating wheels (5) above, bearing wheel (8) is fixed on described support plate (11), support plate (11) is fixed on described front holder (4) by support (7), support plate (11) is rotatably mounted on support (7), described spring (15) is vertically fixed on described support (7), and be positioned at described support plate (11) below,
Described measurement mechanism comprises moving slider (9), instrument support (10), top slide block (16) and dial gauge (13), described moving slider (9) is fixed on described base plate (1) movably, described instrument support (10) is fixed on moving slider (9), on instrument support (10), be fixed with upper supporting plate (17) and lower carrier plate (18), described top slide block (16) can slide up and down to be fixed between described upper supporting plate (16) and lower carrier plate (18), top slide block (16) is provided with top (12), towards described front holder (4), relative with two locating wheels (5), described dial gauge (13) is fixed on upper supporting plate (17), the gauge head of dial gauge (19) contacts with the upper surface of described top slide block (16) through after upper supporting plate (17).
2. according to claim 1 for measuring the device of right alignment, it is characterized in that: two described locating wheels (5) are fixed on the same side of described front holder (4) by axle (20), described active handwheel (6) is fixed on the opposite side of described front holder (4), and initiatively handwheel (6) drives two locating wheels (5) by belt (21).
3. according to claim 1 for measuring the device of right alignment, it is characterized in that: described bearing wheel (8) is positioned at the upside at the tangent place of two described locating wheels (5), by axle, be fixed on support plate (11).
4. according to claim 1 for measuring the device of right alignment, it is characterized in that: described support (7) upper surface is provided with a groove (22), described support plate (11) is rotatably mounted in the groove (22) of described support (7) by axle (23), what described spring (15) was vertical is fixed in groove (22), be positioned at described support plate (11) below, and spring (15) and described bearing wheel (8) lay respectively at the both sides of described axle (23).
5. according to claim 1 for measuring the device of right alignment, it is characterized in that: described support (7) upper surface is provided with a groove (22), described support plate (11) is rotatably mounted in the groove (22) of described support (7) by axle (23), what described spring (15) was vertical is fixed in groove (22), be positioned at described support plate (11) below, and spring (15) is positioned at the centre of described axle (23) and bearing wheel (8).
6. according to claim 1 for measuring the device of right alignment, it is characterized in that: parallel two columns (24) that are provided with between described upper supporting plate (17) and lower carrier plate (18), described top slide block (16) is slidably connected with described column (24).
7. according to claim 1 for measuring the device of right alignment, it is characterized in that: on described base plate (1), be also provided with rear holder (3), described front holder (4) and rear holder (3) be the two ends in described base plate (1) respectively, and described moving slider (16) is positioned in the middle of front holder (4) and rear holder (3).
8. according to claim 7 for measuring the device of right alignment, it is characterized in that: between described front holder (4) and rear holder (3), be parallel to base and be provided with guide rod (2), described moving slider (16) is mobile along guide rod (2).
CN201420140326.XU 2014-03-26 2014-03-26 Device for measuring coaxiality Active CN203881285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420140326.XU CN203881285U (en) 2014-03-26 2014-03-26 Device for measuring coaxiality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420140326.XU CN203881285U (en) 2014-03-26 2014-03-26 Device for measuring coaxiality

Publications (1)

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CN203881285U true CN203881285U (en) 2014-10-15

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105806191A (en) * 2016-04-07 2016-07-27 贵州航瑞科技有限公司 Clamping device for core bar coaxiality detection
CN106168458A (en) * 2016-09-08 2016-11-30 齐泰兴精工科技(苏州)有限公司 A kind of device detecting T-shaped hole axiality
CN106247911A (en) * 2016-09-08 2016-12-21 齐泰兴精工科技(苏州)有限公司 A kind of detection method of T-shaped hole axiality
CN106595451A (en) * 2017-02-07 2017-04-26 天津长荣印刷设备股份有限公司 Coaxiality detection device and method
CN107514965A (en) * 2017-08-23 2017-12-26 安徽江淮汽车集团股份有限公司 A kind of crank spindle roundness and bent axle coaxiality error detection means
CN113074678A (en) * 2021-04-29 2021-07-06 银川合宜科技有限公司 Auxiliary device for lead screw detection

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105806191A (en) * 2016-04-07 2016-07-27 贵州航瑞科技有限公司 Clamping device for core bar coaxiality detection
CN106168458A (en) * 2016-09-08 2016-11-30 齐泰兴精工科技(苏州)有限公司 A kind of device detecting T-shaped hole axiality
CN106247911A (en) * 2016-09-08 2016-12-21 齐泰兴精工科技(苏州)有限公司 A kind of detection method of T-shaped hole axiality
CN106595451A (en) * 2017-02-07 2017-04-26 天津长荣印刷设备股份有限公司 Coaxiality detection device and method
CN107514965A (en) * 2017-08-23 2017-12-26 安徽江淮汽车集团股份有限公司 A kind of crank spindle roundness and bent axle coaxiality error detection means
CN107514965B (en) * 2017-08-23 2020-05-29 安徽江淮汽车集团股份有限公司 Crankshaft main journal roundness and crankshaft coaxiality error detection device
CN113074678A (en) * 2021-04-29 2021-07-06 银川合宜科技有限公司 Auxiliary device for lead screw detection

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