CN208547321U

CN208547321U - A kind of simple roundness measuring device based on line-of-sight course

Info

Publication number: CN208547321U
Application number: CN201821467414.5U
Authority: CN
Inventors: 黄纲; 周勇; 杨琴; 杨兴远; 王成文
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-09
Filing date: 2018-09-09
Publication date: 2019-02-26
Anticipated expiration: 2028-09-09

Abstract

The utility model discloses a kind of simple roundness measuring device based on line-of-sight course, including bottom plate, the upper end side of bottom plate is fixedly connected with support rod, the internal slide of support rod is connected with elevating lever, the upper end of elevating lever runs through the side wall of support rod and extends to its outside and be fixedly connected with fixed block, plumbing bar is fixedly connected on the rear wall of fixed block, the first winding pin is rotatably connected to by shaft between fixed block and plumbing bar, the upper end of plumbing bar is fixedly connected with table body, dial plate is rotatably connected on front side of table body, the inner rotation of table body is connected with the second winding pin, the front end of the central axis of second winding pin sequentially passes through the side wall of table body and dial plate and extends to outside and be fixedly connected with pointer, the upper end two sides of bottom plate are rotatably connected to inclined plate, the height that elevating lever need to only be adjusted when the utility model is used fixes table body, without The position for repeating fixation table body keeps the inner circle for measuring workpiece and outer bowlder enhanced convenience quick.

Description

A kind of simple roundness measuring device based on line-of-sight course

Technical field

The utility model relates to Roundness Measuring Technique field, specially a kind of simple roundness measurement dress based on line-of-sight course It sets.

Background technique

With the rapid development of science and technology, mechanical processing industry is higher and higher to the precision of workpiece, and line-of-sight course is measurement A kind of common measurement method of roundness error of workpiece, when measurement, measured workpiece revolves one-turn in vee-block, reads from dial plate Maximum indicating value and minimum indicating value, the half of two indicating value differences is the deviation from circular from of measured workpiece, however existing line-of-sight course measurement circle When spending error, table body is usually voluntary activity by being supported and being fixed with universal pole, when user being needed to spend a large amount of Between fixed for the position of table body, and when the inside and outside circle of workpiece to be measured requires measurement, common line-of-sight course measuring device Need to relocate the position of dial plate when inside and outside circle is measured and converted, and existing line-of-sight course measuring device is unable to measure workpiece Inner and outer diameter, make user need some measuring devices of additional outfit could to workpiece carry out error calculation, in this way measurement Deviation from circular from becomes very complicated, therefore we have proposed a kind of simple roundness measuring device based on line-of-sight course.

Utility model content

The purpose of this utility model is to provide a kind of simple roundness measuring device based on line-of-sight course, to solve above-mentioned back The problem of being proposed in scape technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of simple circularity survey based on line-of-sight course Device is measured, including bottom plate, the upper end side of the bottom plate are fixedly connected with support rod, the internal slide of the support rod is connected with The upper end of elevating lever, the elevating lever runs through the side wall of support rod and extends to its outside and be fixedly connected with fixed block, described It is fixedly connected with plumbing bar on the rear wall of fixed block, the first kinking is rotatably connected to by shaft between the fixed block and plumbing bar Column, the shaft run through the side wall of fixed block and extend to its outside and be connected with turning handle, pass through inside the lower end of the plumbing bar First spring slide is connected with slide bar, and the upper end side of the slide bar also extends through the side wall of plumbing bar and extends to its outside and pass through It adjusts rope to connect with the first winding pin, the lower end of the slide bar is run through the side wall of plumbing bar and extended to outside it；

The upper end of the plumbing bar is fixedly connected with table body, and dial plate is rotatably connected on front side of the table body, the table body Inner rotation is connected with the second winding pin, and the front end of the central axis of second winding pin sequentially passes through the side wall of table body and dial plate And extend to outside and be fixedly connected with pointer, the rear end of the central axis of second winding pin passes through the inside of torsional spring and table body Wall connection, the inner wrap of second winding pin have drawstring, and the end of the drawstring sequentially passes through table body, plumbing bar and slide bar Side wall is simultaneously fixedly connected on probe, and described pop one's head in is slidably connected at the inside of slide bar by second spring, and the lower end popped one's head in Through slide bar side wall and extend to outside it；

The upper end two sides of the bottom plate are rotatably connected to inclined plate, and the downside of two inclined plates is rotatably connected to fagging, institute The lower end for stating fagging and the card chamber activity being located on the upside of bottom plate are clamped.

Preferably, the shaft inside fixed block is connected with rotating block by belt, and the central axis of the rotating block passes through It wears the side wall of fixed block and extends to its outside and be fixedly connected with graduated dial, be also fixedly attached finger on the medial center axis of turning handle Disk is equipped with graduation mark relative to two graduated dials and on the side wall of fixed block.

Preferably, rectangular cavity is provided with inside the front end of the shaft, the inside of the rectangular cavity is slidably connected by tension spring There is square block, and square block is fixedly connected on the central axis of turning handle, is opened on the inner sidewall of the graduated dial on turning handle central axis There are multiple card slots, the card slot is clamped with the fixture block activity being located on fixed block.

Preferably, the upper end of the support rod is rotatably connected to switch block, and switch block and elevating lever are rotatablely connected, the switch block Upside and be located at elevating lever lateral wall on engagement be connected with self-locking block.

Preferably, locked bolt is rotatably connected in the bottom side of the wall of the plumbing bar, the inner end of the locked bolt is run through The side wall of plumbing bar is simultaneously flexibly connected with slide bar.

Preferably, the upper end of the table body is fixedly connected with thimble, and the lower end of table body is plane, the lower end of the slide bar Cross bar is fixedly connected on side wall.

Compared with prior art, the utility model has the beneficial effects that the utility model by elevating lever upward sliding, makes to visit Head fixes elevating lever behind the top of workpiece, then turning handle is pulled to make slide bar slide downward, so that it is outer with workpiece to make to pop one's head in Side wall is fixed, and dial plate school zero is then rotated, then the beating degree of turning of work piece observation pointer, so as to observe the outer of the workpiece Plumbing bar, is placed in the inner circle of workpiece by circle deviation from circular from, is measured inner circle circularity by the method for above-mentioned outer circle, need to only be adjusted lifting The height of bar, without repeating the position of fixation table body, inner circle and the outer bowlder enhanced convenience for measuring workpiece are quick, and And the device can measure circular diameter in the reality of workpiece by the length variation between thimble and probe, pass through table body downside Length variation between cross bar can measure the practical outside diameter of workpiece, and the reality of diameter is then shown by two graduated dials Border size makes testing staff not need that actual error can be calculated using other measuring devices, to make to measure deviation from circular from letter It is single convenient, and two swash plate angles of the device are adjustable, save the V-type of replacement different angle when duplicate measurements again The step of block.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is enlarged drawing at the A of Fig. 1 of the utility model；

The fixed block and the cross-sectional view at plumbing bar that Fig. 3 is the utility model

Fig. 4 is the structural schematic diagram at the drawstring and adjusting rope of the utility model；

The plumbing bar and the structural schematic diagram at table body that Fig. 5 is the utility model；

Fig. 6 is enlarged drawing at the B of Fig. 5 of the utility model；

The rectangular cavity and the partial sectional view at square block that Fig. 7 is the utility model；

Fig. 8 is the partial sectional view at the dial plate, table body and the second winding pin of the utility model.

In figure: 1, bottom plate, 2, support rod, 3, elevating lever, 4, switch block, 5, fixed block, 6, shaft, 7, turning handle, 8, first twines Terminal, 9, graduated dial, 10, plumbing bar, 11, table body, the 12, second winding pin, 13, drawstring, 14, torsional spring, 15, dial plate, 16, pointer, 17, Adjust rope, the 18, first spring, 19, slide bar, 20, probe, 21, rectangular cavity, 22, rotating block, 23, second spring, 24, locked spiral shell Bolt, 25, thimble, 26, self-locking block, 27, square block, 28, tension spring, 29, fixture block, 30, card slot, 31, inclined plate, 32, fagging, 33, card Chamber, 34, cross bar.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-8 is please referred to, the utility model provides a kind of technical solution: a kind of simple roundness measurement dress based on line-of-sight course It sets, including bottom plate 1, the upper end side of the bottom plate 1 is fixedly connected with support rod 2, and the internal slide of the support rod 2 is connected with Elevating lever 3, it is different according to the diameter of work of measurement, elevating lever 3 can be increased and be reduced, work can be touched convenient for probe 20 The outer circle upper side wall of part and inner circle lower wall, and keep the range of the device roundness measurement more extensive, the elevating lever 3 it is upper End runs through the side wall of support rod 2 and extends to its outside and be fixedly connected with fixed block 5, solid on the rear wall of the fixed block 5 Surely it is connected with plumbing bar 10, the upper surface of plumbing bar 10 and bottom plate 1 is vertical, and plumbing bar 10 is in the symmetry axis of two inclined plates 31 On, it so that probe 20, thimble 25 and cross bar 34 is in workpiece diametrically in this way, so that the device be allow to measure workpiece Inner and outer diameter is rotatably connected to the first winding pin 8 by shaft 6 between the fixed block 5 and plumbing bar 10, and the shaft 6 runs through The side wall of fixed block 5 simultaneously extends to its outside and is connected with turning handle 7, sliding by the first spring 18 inside the lower end of the plumbing bar 10 Dynamic to be connected with slide bar 19, the upper end side of the slide bar 19 also extends through the side wall of plumbing bar 10 and extends to its outside and pass through adjusting Rope 17 is connect with the first winding pin 8, and rotation turning handle 7 can be such that the first winding pin 8 rotates, and allows to wind and expansion adjusts rope 17, winding adjust rope 17 when, slide bar 19 will upward sliding retraction plumbing bar 10 inside, expansion adjust rope 17 length when, by The elastic force effect of first spring 18 can make slide bar 19 to downslide, to stretch out outside plumbing bar 10, can increase the device in this way Measurement range, the lower end of the slide bar 19 are run through the side wall of plumbing bar 10 and are extended to outside it；

The upper end of the plumbing bar 10 is fixedly connected with table body 11, and the front side of the table body 11 is rotatably connected to dial plate 15, table Damping is equipped at the rotation of disk 15 and table body 11, can not rotation, and the side wall of dial plate 15 is equipped with graduation mark, to pass through scale Line can directly observe the amplitude of fluctuation of pointer 16, can be equipped with the protective shell of transparent plastics material on dial plate 15, consequently facilitating protecting Finger shield needle 16 is not influenced when swinging by the external world, and the inner rotation of the table body 11 is connected with the second winding pin 12, and described second The front end of the central axis of winding pin 12 sequentially passes through the side wall of table body 11 and dial plate 15 and extends to outside and be fixedly connected with finger Needle 16, when measuring Roundness of Workpiece, pointer 16 is swung at the center of dial plate 15, and the half of the amplitude peak swung is The rear end of the roundness error of measurement, the central axis of second winding pin 12 is connected by the inner sidewall of torsional spring 14 and table body 11 It connects, torsional spring 14 can make the second winding pin 12 be always maintained at the trend of kinking, so that it is tight so that the drawstring 13 of expansion is in straight line State, can just make will to pop one's head in this case 20 beating degree of drawstring 13 accurately pass to pointer 16 in time, make its swing, institute The inner wrap for stating the second winding pin 12 has drawstring 13, and the end of the drawstring 13 sequentially passes through table body 11, plumbing bar 10 and slide bar 19 side wall is simultaneously fixedly connected on probe 20, when probe is 20 when measure Roundness of Workpiece, 20 upward slidings of probe, and the first kinking Column 12 is rotated by the twisting force of torsional spring 14, so that pointer 16 be made to swing aside, when pop one's head in 20 slide downward when, due to second The elastic force of spring 23 is much larger than the torsion of torsional spring 14, so that rotating backward the first winding pin 12 makes its unwrapping wire, to make pointer 16 swing in the opposite direction, to realize the measurement of circularity, the probe 20 is slidably connected at slide bar by second spring 23 19 inside, and the lower end of probe 20 is run through the side wall of slide bar 19 and is extended to outside it, the elasticity rate first of second spring 23 The elastic force of spring 18 is small, when rotate turn-button 7 make the first winding pin 8 rotation expansion adjust rope 17 when, if pop one's head in 20 lower end When through touching workpiece, turn-button 7 is continued to rotate, slide bar 19 continues to slide downward at this time, and probe 20 is due to by workpiece Stop that its reverse compression second spring 23 is made to pop one's head in 20 to 19 internal contraction of slide bar；

The upper end two sides of the bottom plate 1 are rotatably connected to inclined plate 31, and the downside of two inclined plates 31 is rotatably connected to support Plate 32, the lower end of the fagging 32 are clamped with 33 activity of card chamber for being located at 1 upside of bottom plate, and two faggings 32 are stuck in symmetrical card chamber When 33 inside, the angle between two inclined plates 31 can be made to form 90 degree, 120 degree, 72 degree and 108 degree angles, workpiece can be made to exist Angle between two inclined plates 31 measures respectively under 90 degree, 120 degree or 72 degree, 108 degree of two groups of angles.

Specifically, the shaft 6 being located inside fixed block 5 is connected with rotating block 22 by belt, the rotating block 22 Central axis runs through the side wall of fixed block 5 and extends to its outside and be fixedly connected with graduated dial 9, on the medial center axis of turning handle 7 It is fixedly attached graduated dial 9, is equipped with graduation mark relative to two graduated dials 9 and on the side wall of fixed block 5, when slide bar 19 contracts upwards Return plumbing bar 10 length maximum when, that is, thimble 25 upper vertex and probe 20 lower vertex at a distance from most in short-term (table body 11 it is lower put down Face is most short at a distance from the upper plane of cross bar 34), two graduated dials 9 are directed to zero graduation, when the graduated dial 9 on turning handle 7 is with turning handle 7 When rotation, the turntable 9 of downside also with rotate certain degree (turntable 9 of downside shows the circle number that the graduated dial 9 on turning handle 7 rotates, Such as on turning handle 7 graduated dial 9 rotation one circle when, downside turntable 9 rotate a lattice), so as to according to the rotation of two turntables 9 Enclose number it can be concluded that slide bar 19 length, then with slide bar 19 slide length plus thimble 25 upper vertex and probe 20 under The inner circle of the distance on vertex most short (lower plane of table body 11 is most short at a distance from the upper plane of cross bar 34) you can get it workpiece is straight Diameter (outside diameter), for example, thimble 25 upper vertex at a distance from the lower vertex of probe 20 it is most short for 10mm (table body 11 it is lower flat Graduated dial 9 rotation one circle of the face on most short 5mm at a distance from the upper plane of cross bar 34), turning handle 7 is 1mm, and downside turntable 9 rotates 5 When lattice, the inner circle of the workpiece is 15mm (outer circle 10mm) at this time.

Specifically, being provided with rectangular cavity 21 inside the front end of the shaft 6, the inside of the rectangular cavity 21 passes through tension spring 28 Square block 27 is slidably connected, and square block 27 is fixedly connected on the central axis of turning handle 7, direction chamber 21 is matched with square block 27 It closes, to make turning handle 7 that can not only slide axially in shaft 6, but also can be rotated with shaft 6, on 7 central axis of turning handle Multiple card slots 30 are provided on the inner sidewall of graduated dial 9, the card slot 30 is clamped with 29 activity of fixture block being located on fixed block 5, works as card After slot 30 and fixture block 29 are clamped, shaft 6 cannot rotate, so that the sliding length of slide bar 19 be made to be controlled.

Specifically, the upper end of the support rod 2 is rotatably connected to switch block 4, and switch block 4 and elevating lever 3 are rotatablely connected, institute It states the upside of switch block 4 and is engaged on the lateral wall of elevating lever 3 and be connected with self-locking block 26, the height of fixed elevating lever 3.

Specifically, locked bolt 24 is rotatably connected in the bottom side of the wall of the plumbing bar 10, the locked bolt 24 Inner end is run through the side wall of plumbing bar 10 and is flexibly connected with slide bar 19, after locked bolt 24 is locked by slide bar 19, the position of slide bar 19 It sets to have obtained fixation, when turning of work piece, only by 20 bounce of probe, to increase the accuracy of the device.

Specifically, the upper end of the table body 11 is fixedly connected with thimble 25, and the lower end of table body 11 is plane, the cunning It is fixedly connected with cross bar 34 in the bottom side of the wall of bar 19, when thimble 25 to be withstood on to the inner circle upper side wall of workpiece, pulls turning handle 7 and turns It is dynamic, to make 19 slide downward of slide bar, until probe 20 just connect the inner circle that can measure workpiece with the lower wall of workpiece inner circle The lower end of table body 11 is that plane is bonded with the upside of excircle of workpiece by diameter, when the slide bar 19, to make cross bar 34 and workpiece The lower wall of outer circle is bonded, so as to measure the outside diameter of workpiece.

Working principle: in use, two faggings 32 to be stuck in the inside of symmetrical card chamber 33, make between two inclined plates 31 Angle measures respectively in 90 degree, 120 degree or 72 degree, 108 degree of two groups of angles, such as when the angle of two inclined plates 31 is 90 degree And the outer bowlder of workpiece is measured, workpiece is placed between two inclined plates 21, upward sliding elevating lever 3 makes probe 20 in workpiece Top, then the position of elevating lever 3 is fixed with self-locking block 26, turning handle 7 is pulled simultaneously to rotate, can be by slide bar 19 to downslide It is dynamic, so as to the upper contact of pop one's head in 20 and workpiece, slide bar 19 is slided into certain distance again after popping one's head in 20 with workpiece contact The position of slide bar 19 is fixed by locked bolt 24 afterwards, by rotation dial plate 15 by 16 school zero of pointer, then in two inclined plates Turning of work piece on 31, when bowlder, probe 20 will not move up and down workpiece, probe 20 will make the second winding pin 12 by drawstring 13 Carry out back rotation, so that pointer 16 be made to swing back and forth on dial plate 15, the graduation mark on dial plate 15 can be by pointer 16 back and forth It swings and reads maxima and minima, the roundness of external circle error amount of the workpiece can be calculated, then by the angle of two inclined plates 31 120 degree are adjusted to, then repeat the above steps the roundness of external circle error amount that can calculate workpiece on 120 degree of inclined plate 31；It surveys The interior bowlder of workpiece is measured, it only need to be by the device on plumbing bar 10 as the inner circle of workpiece, then when duplicate measurements excircle of workpiece Step.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of simple roundness measuring device based on line-of-sight course, including bottom plate (1), it is characterised in that: the bottom plate (1) it is upper End side is fixedly connected with support rod (2), and the internal slide of the support rod (2) is connected with elevating lever (3), the elevating lever (3) upper end runs through the side wall of support rod (2) and extends to its outside and be fixedly connected with fixed block (5), the fixed block (5) Rear wall on be fixedly connected with plumbing bar (10), be rotatably connected between the fixed block (5) and plumbing bar (10) by shaft (6) First winding pin (8), the shaft (6) run through the side wall of fixed block (5) and extend to its outside and be connected with turning handle (7), institute It states and is slidably connected slide bar (19) inside the lower end of plumbing bar (10) by the first spring (18), the upper end side of the slide bar (19) It also extends through the side wall of plumbing bar (10) and extends to its outside and connect by adjusting rope (17) with the first winding pin (8), the cunning The lower end of bar (19) is run through the side wall of plumbing bar (10) and is extended to outside it；

The upper end of the plumbing bar (10) is fixedly connected with table body (11), is rotatably connected to dial plate on front side of the table body (11) (15), the inner rotation of the table body (11) is connected with the second winding pin (12), the central axis of second winding pin (12) Front end sequentially passes through the side wall of table body (11) and dial plate (15) and extends to outside and be fixedly connected with pointer (16), described second The rear end of the central axis of winding pin (12) is connect by torsional spring (14) with the inner sidewall of table body (11), second winding pin (12) Inner wrap have drawstring (13), the end of the drawstring (13) sequentially passes through table body (11), plumbing bar (10) and slide bar (19) Side wall is simultaneously fixedly connected on probe (20), and the probe (20) is slidably connected at the interior of slide bar (19) by second spring (23) Portion, and the lower end of probe (20) is run through the side wall of slide bar (19) and is extended to outside it；

The upper end two sides of the bottom plate (1) are rotatably connected to inclined plate (31), and the downside of two inclined plates (31) is rotatably connected to Fagging (32), the lower end of the fagging (32) are clamped with card chamber (33) activity being located on the upside of bottom plate (1).

2. a kind of simple roundness measuring device based on line-of-sight course according to claim 1, it is characterised in that: be located at and fix The internal shaft (6) of block (5) is connected with rotating block (22) by belt, and the central axis of the rotating block (22) runs through fixed block (5) side wall simultaneously extends to that it is external and be fixedly connected with graduated dial (9), is also fixedly attached finger on the medial center axis of turning handle (7) Disk (9) is equipped with graduation mark relative to two graduated dials (9) and on the side wall of fixed block (5).

3. a kind of simple roundness measuring device based on line-of-sight course according to claim 2, it is characterised in that: the shaft (6) it is provided with inside front end rectangular cavity (21), the inside of the rectangular cavity (21) slidably connects square block by tension spring (28) (27), and square block (27) is fixedly connected on the central axis of turning handle (7), is in the interior of the graduated dial (9) on turning handle (7) central axis It is provided on side wall multiple card slots (30), the card slot (30) is clamped with fixture block (29) activity being located on fixed block (5).

4. a kind of simple roundness measuring device based on line-of-sight course according to claim 1, it is characterised in that: the support The upper end of bar (2) is rotatably connected to switch block (4), and switch block (4) and elevating lever (3) are rotatablely connected, the upside of the switch block (4) and Engagement is connected with self-locking block (26) on the lateral wall of elevating lever (3).

5. a kind of simple roundness measuring device based on line-of-sight course according to claim 1, it is characterised in that: the plumbing bar (10) it is rotatably connected in bottom side of the wall locked bolt (24), the side of plumbing bar (10) is run through in the inner end of the locked bolt (24) Wall is simultaneously flexibly connected with slide bar (19).

6. a kind of simple roundness measuring device based on line-of-sight course according to claim 1, it is characterised in that: the table body (11) upper end is fixedly connected with thimble (25), and the lower end of table body (11) is plane, in the bottom side of the wall of the slide bar (19) It is fixedly connected with cross bar (34).