CN205014949U - Laser wheel pair size measurement machine - Google Patents
Laser wheel pair size measurement machine Download PDFInfo
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- CN205014949U CN205014949U CN201520728078.5U CN201520728078U CN205014949U CN 205014949 U CN205014949 U CN 205014949U CN 201520728078 U CN201520728078 U CN 201520728078U CN 205014949 U CN205014949 U CN 205014949U
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Abstract
The utility model discloses a laser wheel pair size measurement machine, include: the box, it sets up in the below ground, forms the opening in the position of aliging with ground, the apron, its lid closes on the opening, and the apron has a pair of parallel rectangular shape each other firstly link up the groove, a pair of laser surveying device, it sets up in the box, a pair of track, track include track main part and liftable section, and liftable duan yike goes up and down the ground mode for the track main part and sets up and have a perfect understanding the inslot in first, and lifting drive mechanism, its drive liftable section rises to makes liftable section and track main part link up each other and constitute a complete track, and drive liftable section descends, thus the wheel lower part that makes the wheel pair link up the groove and get into to the box in via first, and be in in a laser surveying device's the measuring range. The utility model discloses arranging the measurand position of laser surveying device and wheel pair in below ground, can effectively avoiding external light wire pair laser sensor's interference like this, measurement accuracy is high.
Description
Technical field
The utility model relates to wheel pair detection, particularly relates to a kind of laser wheel to dimensional measurement machine.
Background technology
Wheelset profile checkout equipment mainly relies on CCD to take pictures in the market, the view data that collection wheel is right, and realizes measuring according to view data.The feature of this mode is, measures convenient, flexible, but comparatively large by the impact of image pixel and light, and require higher to hardware and photoenvironment, measurement data is subject to ectocine, and measuring accuracy is lower.In addition, also reliable laser sensor carries out measuring at present.Compared to a kind of front method, the measuring accuracy of the latter is higher, but the measuring accuracy of the latter also can be subject to the impact of photoenvironment.In order to reduce the interference of light to laser sensor, usually laser sensor being placed in one and being similar in the cover of lampshade, to shut out the light.But the shaded effect of this way still can not separately people be satisfied with, and also causes the structure of checkout equipment entirety comparatively complicated.Also there is two problems, one at present, in prior art be all by mechanical parts or electrical part to wheel to carrying out spacing location, structure relative complex, and low to the positioning precision that wheel is right; They are two years old; past adopts both sides lifting structures, namely two lifting mechanisms respectively lifting take turns two right axle heads, this requires that lifting mechanism has higher structure precision; and ensure the synchronism of two lifting mechanism work, the bearing journal portion that wheel also will be protected right is injury-free.
Utility model content
For above-mentioned technical matters, the utility model provides a kind of underground that is arranged at, and effectively avoids the laser wheel of extraneous light interference measurement results to dimensional measurement machine.
The technical scheme that the utility model provides is:
A kind of laser wheel, to dimensional measurement machine, comprising:
Casing, it is arranged at below ground, forms opening in the position of aliging with ground;
Cover plate, it covers over said opening, and described cover plate has the first through slot of a pair strip parallel to each other;
A pair laser measuring device for measuring, it is arranged in described casing;
Pair of tracks, described track extends to described cover plate by ground, and through described cover plate, described track comprises rail body and liftable section, described liftable Duan Yike relative to rail body up and down mode be arranged in described first through slot; And
Lift drive mechanism, it is connected to described liftable section, described liftable section is driven to rise, with make described liftable section and described rail body formation engaging one another complete for the track of taking turns advancing along it, and drive described liftable section to decline, described box house is dropped to make described liftable section, to open described first through slot, thus make describedly to take turns right wheel bottom and enter in described casing via described first through slot, and be in the measurement range of a laser measuring device for measuring.
Preferably, described laser wheel is in dimensional measurement machine, and described track comprises a pair liftable section and is positioned at two sections of rail body of a pair liftable section both sides, and wherein, one end of each liftable section is pivoted to the track section main body be adjacent; Two lift drive mechanisms are connected to a pair liftable section respectively, and each lift drive mechanism drives a liftable section relative to described rail body pivotable, to make rising or the decline of described liftable section.
Preferably, described laser wheel, to dimensional measurement machine, also comprises:
For taking turns right lifting device described in lifting, it is between a pair first through slots;
A pair support column, is arranged on described cover plate, is configured in the outside of a pair first through slots respectively, and the top of each support column has for carrying described first support of taking turns right axle head, and described first support is roughly V-shaped structure; And the height of described support column is designed to: take turns right wheel bottom enter in described casing described, and when in the measurement range being in described laser measuring device for measuring, take turns providing support for described.
Preferably, described laser wheel is in dimensional measurement machine, the height of described support column and the width design of described first through slot are: take turns right wheel bottom enter in described casing described, and when in the measurement range being in described laser measuring device for measuring, make described wheel closed described first through slot.
Preferably, described laser wheel is in dimensional measurement machine, and described cover plate offers the second through slot; Described lifting device comprises lifting drive and for carrying described second support of taking turns right axle body, wherein, described lifting drive is arranged in described casing, described lifting drive is connected to described second support, drive described second support lifting, and when described second support declines, described second supporting portion is in described second through slot.
Preferably, described laser wheel, to dimensional measurement machine, also comprises:
First stops wheel mechanism, it comprises the first stop block and the first straight line driving mechanism, described first stop block is arranged at the side of the first liftable section being positioned at rear side, be positioned at the rear critical localisation of location to be checked, described first straight line driving mechanism is connected to the first stop block, described first stop block is driven to do stretching motion relative to described first liftable section, with the upper surface making described first stop block protrude from or not protrude from described first liftable section;
Second stops wheel mechanism, it comprises the second stop block, first spacing bearing pin and the first back-moving spring, wherein, described second stop block is positioned at the front critical localisation of location to be checked, be pivoted to the side of the second liftable section being positioned at front side, and described second stop block does not protrude from the upper surface of described second liftable section when rotating backward, described first back-moving spring is arranged between described second stop block and described second liftable section, with the acting force applying to rotate forward to described second stop block, and make described second stop block return to the state protruding from described second liftable section, described first spacing bearing pin is arranged at described second liftable section, be positioned at the rear side of described second stop block, the second stop block described in backstop when described second stop block turns to forward the state protruding from described second liftable section.
Preferably, described laser wheel, to dimensional measurement machine, also comprises:
3rd stops wheel mechanism, it comprises the 3rd stop block and the second straight line driving mechanism, described 3rd stop block is arranged at the side of the second segment rail body being positioned at front side, described second straight line driving mechanism is connected to the 3rd stop block, drive described 3rd stop block to do stretching motion relative to described second segment rail body, protrude from or do not protrude from the upper surface of described second segment rail body to make described 3rd stop block;
4th stops wheel mechanism, it comprises the 4th stop block, second spacing bearing pin and the second back-moving spring, wherein, described 4th stop block is pivoted to the side of the first paragraph rail body being positioned at rear side, and described 4th stop block does not protrude from the upper surface of described first paragraph rail body when rotating backward, described second back-moving spring is arranged between described 4th stop block and described first paragraph rail body, with the acting force applying to rotate forward to described 4th stop block, and make described 4th stop block return to the state protruding from described first paragraph rail body, described second spacing bearing pin is arranged at described second segment rail body, be positioned at the rear side of described 4th stop block, the 4th stop block described in backstop when described 4th stop block turns to forward the state protruding from described second segment rail body.
Preferably, described laser wheel, to dimensional measurement machine, also comprises:
Thumb wheel mechanism, it comprises driving lever and the 3rd straight line driving mechanism, wherein, middle part pivot joint and the described second liftable section of described driving lever are articulated in pivoting point, described pivoting point is positioned at the rear side of described second stop block, and described 3rd straight line driving mechanism is connected to the lower end of described driving lever, and the lower end to described driving lever exports linear driving force, make described driving lever pivoted, and then the upper end of described driving lever is protruded from or does not protrude from the upper surface of described second liftable section;
Rotating wheel mechanisms that, it is arranged in described casing.
Preferably, described laser wheel is in dimensional measurement machine, and described laser measuring device for measuring comprises:
Support;
Vertical guide and cross slide way, install on the bracket;
First laser sensor, it is slidably disposed in described vertical guide;
Second laser sensor, it is slidably disposed on described cross slide way;
First servomotor, it is connected to described first laser sensor by the first screw nut driven mechanism, drives described first laser sensor to slide along described vertical guide;
Second servomotor, it is connected to described second laser sensor by the second screw nut driven mechanism, drives described second laser sensor to slide along described cross slide way.
Preferably, described laser wheel is in dimensional measurement machine, and described laser measuring device for measuring also comprises:
First box body, it is installed on the bracket, described first laser sensor and described vertical guide are arranged in the first box body, described first box body offers the first through hole vertically extended on the position corresponding with the mobile route of described first laser sensor, extends to outside described first box body to make the laser optical path of described first laser sensor;
Second box body, it is installed on the bracket, described second laser sensor and described cross slide way are arranged in the second box body, described second box body offers the second through hole of horizontal expansion on the position corresponding with the mobile route of described second laser sensor, extends to outside described second box body to make the laser optical path of described second laser sensor;
Blowing mechanism, it comprises air supply system and at least two gas tips, at least two gas tips are separately positioned on the outside of the first through hole and the second through hole, the opening of at least two gas tips is towards the inside of the first box body and the second box body, and at least two gas tips are communicated to described air supply system by gas piping.
Laser measuring device for measuring and the right measured position of wheel are placed in below ground to dimensional measurement machine by laser wheel described in the utility model, can effectively avoid extraneous light to the interference of laser sensor like this.In addition, when measuring, the utility model adopts a pair support column to support two right axle heads of wheel, support column is arranged on the cover board, position is relatively fixing, makes wheel to accurately and be stably positioned at location to be checked, ensure that positioning precision, achieve the unification of measuring basis, improve measuring accuracy.Moreover lifting structures in the middle of the utility model adopts, namely lifting device is between the first through slot, and right axle body is taken turns in lifting, simplifies the structure of lifting device, must not consider synchronism, nor can the significant points right with wheel contact to some extent.Finally, integral layout of the present utility model is compact, and noise is little, and only take turns, fall wheel precisely, thumb wheel, third wheel smoothness are without hindrance.
Accompanying drawing explanation
Fig. 1 be laser wheel described in the utility model to the wheel of dimensional measurement machine to the structural representation do not entered in casing;
Fig. 2 be laser wheel described in the utility model to the wheel of dimensional measurement machine to the vertical view do not entered in casing;
Fig. 3 be laser wheel described in the utility model to the wheel of dimensional measurement machine to the structural representation entered in casing;
Fig. 4 is the structural representation of track described in the utility model;
Fig. 5 is the A-A cross section view of Fig. 4;
Fig. 6 is the B-B cross section view of Fig. 4;
Fig. 7 is the vertical view of track described in the utility model;
Fig. 8 is the stereographic map of track described in the utility model;
Fig. 9 is the structural representation of laser measuring device for measuring described in the utility model;
Figure 10 is the stereographic map of laser measuring device for measuring described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of laser wheel to dimensional measurement machine, comprising: casing 6, and it is arranged at below ground, forms opening in the position of aliging with ground; Cover plate 5, it covers over said opening, and described cover plate 5 has the first through slot 28 of a pair strip parallel to each other; A pair laser measuring device for measuring 9, it is arranged in described casing 6; Pair of tracks 10, described track extends to described cover plate 5 by ground, and through described cover plate 5, described track 10 comprises rail body and liftable section, described liftable Duan Yike relative to rail body up and down mode be arranged in described first through slot; And lift drive mechanism, it is connected to described liftable section, described liftable section is driven to rise, with make described liftable section and described rail body formation engaging one another complete for taking turns the track 10 of advancing along it to 1, and drive described liftable section to decline, inner to make described liftable section drop to described casing 6, to open described first through slot 28, thus described wheel 3 bottom of taking turns 1 is entered in described casing 6 via described first through slot, and be in the measurement range of a laser measuring device for measuring 9.
Take turns and march to location to be checked (namely corresponding to the position of the first through slot) to 1 along pair of tracks 10, (as shown in Figure 1, take turns and not yet enter in casing 61, take turns and stop on track 10 1); As shown in Figure 3, the liftable section of track 10 13,14 declines by driving, thus make wheel to 1 wheel bottom (also i.e. measured portion) by the first through slot 28, and to enter in casing 6.Laser measuring device for measuring 9 is arranged in casing 6, enters in casing when taking turns the wheel bottom to 1, and laser measuring device for measuring 9 can to wheel to measuring.Due to the environment relative closure of casing, light cannot enter, and ensures the measuring accuracy of laser measuring device for measuring.And when measurement completes, liftable section rises, be again positioned at the first through slot, with the rail body track that formation engaging one another is complete again, make wheel continue to advance forward to along this track, leave measuring machine.
The utility model devises two laser measuring device for measuring 9, measures respectively to two wheels 3, and the set-up mode of two laser measuring device for measuring 9 in casing is identical.
In one embodiment, described laser wheel is in dimensional measurement machine, and described track 10 comprises a pair liftable section 13,14 and be positioned at two sections of rail body 16,15 of a pair liftable section 13,14 both sides, wherein, one end of each liftable section is pivoted to the track section main body be adjacent; Two lift drive mechanisms 18,19 are connected to a pair liftable section 13,14 respectively, and each lift drive mechanism drives a liftable section relative to described rail body pivotable, to make rising or the decline of described liftable section.
Particularly, a pair liftable section 13,14 pivotable downwards simultaneously, to avoid the first through slot 28, thus make wheel to 1 wheel 3 bottom can be entered in casing 6 by the first through slot 28, and reach the measurement space of laser measuring device for measuring 9; And when a pair liftable section 13,14 upwards pivotable simultaneously, a pair liftable section, 13,14 and two sections of rail body 16,15 are connected into complete track jointly.Wherein, lift drive mechanism can adopt electric cylinder or cylinder.
In one embodiment, described laser wheel, to dimensional measurement machine, also comprises: for taking turns right lifting device 7 described in lifting, it is between a pair first through slots 28; A pair support column 11, be arranged on described cover plate 5, be configured in the outside of a pair first through slots 28 respectively, and the top of each support column 11 has for carrying described first support 12 of taking turns right axle head, described first support 12 is roughly V-shaped structure; And the height of described support column 11 is designed to: enter in described casing 6 in described wheel 3 bottom of taking turns 1, and when in the measurement range being in described laser measuring device for measuring 9, for described wheel provides support 1.
Particularly, the course of work of the measuring machine of this embodiment is: take turns when marching to location to be checked to 1, lifting device 7 works, and wheel is lifted to position higher than support column 11 top to 1; Lift drive mechanism work afterwards, liftable section declines, and opens wide to make the first through slot 28; Lifting device 7 driven wheel declines to 1, and is placed on the first support 12 of a pair support column 11 by wheel to 1, and in decline process, wheel 3 bottom of taking turns 1 enters in casing 6 via the first through slot 28, and lifting device 7 is regained afterwards; Laser measuring device for measuring 9 is measured 1 wheel.After measurement completes, lifting device 7 works, wheel is lifted to the position at the top higher than support portion 11 to 1, liftable section rises, form complete track, wheel to shelving in orbit (this hour wheel contrast support column is high), thus makes wheel to leaving location to be checked along track by lifting device 7.
This embodiment uses a pair support column 11 support wheel pair, and a pair support column 11 is separately positioned on the outside of a pair first through slots 28, respectively support wheel to 1 axle head 4.When namely measuring, wheel, the position of 1, especially takes turns right axis, is all relatively-stationary, is positioned at all the time on the line of symmetry of a pair support column 11 at every turn.This ensures that there wheel high to the positioning precision of 1, and due to wheel to 1 the invariant position of axis, this axis as measuring basis, thus can achieve the unification of measuring basis.
In one embodiment, in order to reduce extraneous light to the interference of measuring as far as possible, described laser wheel is in dimensional measurement machine, the height of described support column 11 and the width design of described first through slot 28 are: enter in described casing 6 in described wheel 3 bottom of taking turns 1, and when in the measurement range being in described laser measuring device for measuring 9, make described wheel close described first through slot 28 to 1.
In one embodiment, in order to reduce taking up room of measuring machine, be also arranged on by lifting device 7 in casing 6, described laser wheel is in dimensional measurement machine, and described cover plate 5 offers the second through slot 17; Described lifting device 7 comprises lifting drive and for carrying described second support 8 of taking turns right axle body, wherein, described lifting drive is arranged in described casing 6, described lifting drive is connected to described second support 8, described second support 8 is driven to be elevated, and when described second support 8 declines, described second support 8 is positioned at described second through slot 17.Namely when lifting device 7 does not work, the second support 8 is just in time positioned at the second through slot 17, and does not protrude from cover plate 5, thus reduces measuring machine taking up room on the ground, and also makes measuring machine more attractive in appearance in appearance; When lifting device 7 works, driving second support 8 moves upward by lifting drive, to realize the support to taking turns 1.Wherein, lifting drive is preferably hydraulic cylinder.In addition, this embodiment have employed middle lifting structures, be arranged between a pair first through slots by lifting device, during lifting, the axle body that the actual bogie wheel of this lifting device is right, and the significant points that no longer contact wheel is right, wearing and tearing can not be caused to the right significant points of wheel, and not need the problem considering synchronism again.
Fig. 4 please be check, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in one embodiment, described laser wheel is to dimensional measurement machine, also comprise: first stops wheel mechanism, it comprises the first stop block 20 and the first straight line driving mechanism 21, described first stop block 20 is arranged at the side of the first liftable section 13 being positioned at rear side, be positioned at the rear critical localisation of location to be checked, described first straight line driving mechanism 21 is connected to the first stop block 20, described first stop block 20 is driven to do stretching motion relative to described first liftable section 13, with the upper surface making described first stop block 20 protrude from or not protrude from described first liftable section 13, second stops wheel mechanism, it comprises the second stop block 22, first spacing bearing pin 23 and the first back-moving spring, wherein, described second stop block 22 is positioned at the front critical localisation of location to be checked, be pivoted to the side of the second liftable section 14 being positioned at front side, and described second stop block 22 does not protrude from the upper surface of described second liftable section 14 when rotating backward, described first back-moving spring is arranged between described second stop block 22 and described second liftable section 14, with the acting force applying to rotate forward to described second stop block 22, and make described second stop block 22 return to the state protruding from described second liftable section 14, described first spacing bearing pin 23 is arranged at described second liftable section 14, be positioned at the rear side of described second stop block 22, second stop block 22 described in backstop when described second stop block 22 turns to forward the state protruding from described second liftable section 14.
Particularly, first stops wheel mechanism for limiting the rear critical localisation of location to be checked, and second stops wheel mechanism for limiting critical localisation before location to be checked, to realize taking turns right auto-stopping wheel.When wheel marches to critical localisation before location to be checked to 1, take turns and press the second stop block 22 to 1, the second stop block 22 is rotated backward, and turns to the upper surface not protruding from the second liftable section 14 always, take turns and pass through from the top of the second stop block 22 1; Afterwards, take turns to 1 continue advance backward, the first stop block 20 by first straight line driving mechanism 21 drive protrude upward, to protrude from the upper surface of the first liftable section 13, thus wheel march to the rear critical localisation of location to be checked to 1 time, by wheel to 1 backstop in this.
Second effect stopping wheel mechanism is, after wheel arrives location to be checked to 1, avoids wheel to advance forward from location to be checked to 1.Second stops wheel mechanism plays a role like this: after the second stop block 22 returns to the state (can be vertical state) protruding from the second liftable section 14 under the effect of the first back-moving spring, first spacing bearing pin 23 backstop second stop block 22, makes the second stop block 22 can not continue to rotate forward.Like this when take turns to 1 move forward touch the second stop block 22 time, the second stop block 22 cannot continue front rotation, takes turns and just can not leave location to be checked to 1.
After measurement completes, take turns continuing to advance along track, leave location to be checked, the first stop block 20 drives by the first straight line driving mechanism 21 and declines.
In this embodiment, described front side is the right side in Fig. 4, and rear side corresponds to the rear side of Fig. 4.
In one embodiment, taking turns in order to avoid other disturbs the wheel measured right to entering location to be checked, described laser wheel is to dimensional measurement machine, also comprise: the 3rd stops wheel mechanism, it comprises the 3rd stop block 24 and the second straight line driving mechanism 25, described 3rd stop block 24 is arranged at the side of the second segment rail body 15 being positioned at front side, described second straight line driving mechanism 25 is connected to the 3rd stop block 24, described 3rd stop block 24 is driven to do stretching motion relative to described second segment rail body 15, protrude from or do not protrude from the upper surface of described second segment rail body 15 to make described 3rd stop block 24, 4th stops wheel mechanism, it comprises the 4th stop block 26, second spacing bearing pin 27 and the second back-moving spring, wherein, described 4th stop block 26 is pivoted to the side of the first paragraph rail body 16 being positioned at rear side, and described 4th stop block 26 does not protrude from the upper surface of described first paragraph rail body 16 when rotating backward, described second back-moving spring is arranged between described 4th stop block 26 and described first paragraph rail body 16, with the acting force applying to rotate forward to described 4th stop block 26, and make described 4th stop block 26 return to the state protruding from described first paragraph rail body 16, described second spacing bearing pin 27 is arranged at described second segment rail body 16, be positioned at the rear side of described 4th stop block 26, the 4th stop block 26 described in backstop when described 4th stop block 26 turns to forward the state protruding from described second segment rail body 16.
Particularly, this embodiment devises the 3rd and stops wheel mechanism and the 4th and stop wheel mechanism, the two works in the following manner: when a wheel enters to location to be checked to 1,3rd stop block 24 drives by the second straight line driving mechanism 25 and protrudes upward, thus the wheel blocking other is right, can not enter the region before location to be checked, when current wheel completes measurement, and leave location to be checked, just the 3rd stop block 24 is regained, make next wheel to entering location to be checked.4th stop block 26 adopts again the mode similar with the second stop block to arrange, and like this, when completing the wheel of measurement to advancing backward, passing through, but can not advance forward from the top of the 4th stop block 26.
First straight line driving mechanism, the second straight line driving mechanism are all preferably cylinder.
In one embodiment, in order to make wheel to automatically leaving location to be checked, described laser wheel is to dimensional measurement machine, also comprise: thumb wheel mechanism, it comprises driving lever 30 and the 3rd straight line driving mechanism 29, wherein, middle part 31 pivot joint and the described second liftable section 14 of described driving lever 30 are articulated in pivoting point, described pivoting point is positioned at the rear side of described second stop block 22, described 3rd straight line driving mechanism 29 is connected to the lower end of described driving lever 30, lower end to described driving lever 30 exports linear driving force, make described driving lever 30 pivoted, and then make the upper end 32 of described driving lever 30 protrude from or not protrude from the upper surface of described second liftable section 14, rotating wheel mechanisms that, it is arranged in described casing.
Particularly, when measurement completes, take turns and be placed on track 10 to 1, the first stop block 20 is retracted.Driving lever 30 is by the driving of the 3rd straight line driving mechanism 29, and the upper end 32 of driving lever protrudes from the upper surface of the second liftable section 14, thus applies expulsive force to wheel to 1, and wheel is advanced backward to 1.Afterwards, driving lever 30 is regained, and the upper end 32 of driving lever does not protrude from the upper surface of the second liftable section 14.
Wherein, rotating wheel mechanisms that adopts structure of the prior art.Utilize rotating wheel mechanisms that driving wheel to rotation, thus realize the measurement to the right different parts of wheel.
Please check Fig. 9 and Figure 10, in one embodiment, described laser wheel is in dimensional measurement machine, and described laser measuring device for measuring comprises: support 36; Vertical guide 33 and cross slide way 40, be arranged on described support 36; First laser sensor 32, it is slidably disposed in described vertical guide 33; Second laser sensor 39, it is slidably disposed on described cross slide way 40; First servomotor 42, it is connected to described first laser sensor 32 by the first screw nut driven mechanism, drives described first laser sensor 32 to slide along described vertical guide 33; Second servomotor 41, it is connected to described second laser sensor 39 by the second screw nut driven mechanism, drives described second laser sensor 39 to slide along described cross slide way 40.
In this embodiment, the first laser sensor 32 and the second laser sensor 39 work simultaneously, for measuring the right size of wheel.Its principle of work is: set up a system coordinate system in advance, and the first laser sensor 32 and the second position of laser sensor 39 in this system coordinate system are confirmable.First laser sensor 32, for measuring the right medial surface of wheel, namely sends laser to wheel inner surface sides and calculates the distance that the right medial surface of wheel reaches this first laser sensor according to the signal of feedback, thus calculating the size of the right medial surface of wheel.Second laser sensor 39, for the right outer peripheral face of measuring wheel, namely sends laser to wheel to outer peripheral face and calculates according to the signal of feedback the distance that the right outer peripheral face of wheel reaches this second laser sensor, thus calculating the size of the right outer peripheral face of wheel.
In one embodiment, described laser wheel is in dimensional measurement machine, described laser measuring device for measuring also comprises: the first box body 35, it is arranged on described support 36, described first laser sensor 32 and described vertical guide 33 are arranged in the first box body 35, described first box body 35 offers the first through hole 43 vertically extended on the position corresponding with the mobile route of described first laser sensor 32, extends to outside described first box body to make the laser optical path of described first laser sensor 32; Second box body 37, it is arranged on described support 36, described second laser sensor 39 and described cross slide way 40 are arranged in the second box body 37, described second box body 37 offers the second through hole 44 of horizontal expansion on the position corresponding with the mobile route of described second laser sensor 39, extends to outside described second box body 37 to make the laser optical path of described second laser sensor 39; Blowing mechanism, it comprises air supply system and at least two gas tips, at least two gas tips are separately positioned on the outside of the first through hole and the second through hole, the opening of at least two gas tips is towards the inside of the first box body and the second box body, and at least two gas tips are communicated to described air supply system by gas piping.
In order to reduce extraneous light or dust further to the interference of laser measuring device for measuring, also the first laser sensor being arranged in the first box body, the second laser sensor is arranged in the second box body.On the position that the mobile route of the first laser sensor is corresponding, the first box body offers the laser of the first through hole 43, first laser sensor by the first through hole, and extends to the right medial surface of wheel, to realize measuring; Second laser sensor is identical with it with the design concept of the second box body.
In addition, this embodiment have also been devised blowing mechanism.According to the size of the first through hole or the second through hole, the number of gas tip can be selected, such as shown in FIG., in a first through hole 43 arranged outside gas tip 34, a gas tip 38 in the second through hole 44 arranged outside.When needs purge, open air supply system, gas from gas shower nozzle sprays, and removes the dust on laser sensor.
The utility model has following technique effect relative to prior art:
(1) measuring accuracy is improved.Originally equipment or artificial measuring accuracy are mostly at about 0.3mm, and this device measuring precision can reach 0.1mm, and repeatable accuracy improves greatly.
(2) greatly enhance productivity.Originally equipment or manual measurement one chaptrel are to approximately needing 3-5 minute, and this device measuring coordinates data only needs clock more than 1 point, and work efficiency significantly improves.
(3) save starting material, reduce production cost.Only have 50% of original equipment by this weight of equipment of optimizing structure, intensity and stability are better than original equipment simultaneously.
(4) most of device of structure capital equipment is all arranged in casing, is positioned at underground, does not take aboveground space.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. laser wheel is to a dimensional measurement machine, it is characterized in that, comprising:
Casing, it is arranged at below ground, forms opening in the position of aliging with ground;
Cover plate, it covers over said opening, and described cover plate has the first through slot of a pair strip parallel to each other;
A pair laser measuring device for measuring, it is arranged in described casing;
Pair of tracks, described track extends to described cover plate by ground, and through described cover plate, described track comprises rail body and liftable section, described liftable Duan Yike relative to rail body up and down mode be arranged in described first through slot; And
Lift drive mechanism, it is connected to described liftable section, described liftable section is driven to rise, with make described liftable section and described rail body formation engaging one another complete for the track of taking turns advancing along it, and drive described liftable section to decline, described box house is dropped to make described liftable section, to open described first through slot, thus make describedly to take turns right wheel bottom and enter in described casing via described first through slot, and be in the measurement range of a laser measuring device for measuring.
2. laser wheel as claimed in claim 1 is to dimensional measurement machine, it is characterized in that, described track comprises a pair liftable section and is positioned at two sections of rail body of a pair liftable section both sides, and wherein, one end of each liftable section is pivoted to the track section main body be adjacent; Two lift drive mechanisms are connected to a pair liftable section respectively, and each lift drive mechanism drives a liftable section relative to described rail body pivotable, to make rising or the decline of described liftable section.
3. laser wheel as claimed in claim 1 or 2 is to dimensional measurement machine, it is characterized in that, also comprises:
For taking turns right lifting device described in lifting, it is between a pair first through slots;
A pair support column, is arranged on described cover plate, is configured in the outside of a pair first through slots respectively, and the top of each support column has for carrying described first support of taking turns right axle head, and described first support is roughly V-shaped structure; And the height of described support column is designed to: take turns right wheel bottom enter in described casing described, and when in the measurement range being in described laser measuring device for measuring, take turns providing support for described.
4. laser wheel as claimed in claim 3 is to dimensional measurement machine, it is characterized in that, the height of described support column and the width design of described first through slot are: take turns right wheel bottom enter in described casing described, and when in the measurement range being in described laser measuring device for measuring, make described wheel closed described first through slot.
5. laser wheel as claimed in claim 3 is to dimensional measurement machine, and it is characterized in that, described cover plate offers the second through slot; Described lifting device comprises lifting drive and for carrying described second support of taking turns right axle body, wherein, described lifting drive is arranged in described casing, described lifting drive is connected to described second support, drive described second support lifting, and when described second support declines, described second supporting portion is in described second through slot.
6. laser wheel as claimed in claim 2 is to dimensional measurement machine, it is characterized in that, also comprises:
First stops wheel mechanism, it comprises the first stop block and the first straight line driving mechanism, described first stop block is arranged at the side of the first liftable section being positioned at rear side, be positioned at the rear critical localisation of location to be checked, described first straight line driving mechanism is connected to the first stop block, described first stop block is driven to do stretching motion relative to described first liftable section, with the upper surface making described first stop block protrude from or not protrude from described first liftable section;
Second stops wheel mechanism, it comprises the second stop block, first spacing bearing pin and the first back-moving spring, wherein, described second stop block is positioned at the front critical localisation of location to be checked, be pivoted to the side of the second liftable section being positioned at front side, and described second stop block does not protrude from the upper surface of described second liftable section when rotating backward, described first back-moving spring is arranged between described second stop block and described second liftable section, with the acting force applying to rotate forward to described second stop block, and make described second stop block return to the state protruding from described second liftable section, described first spacing bearing pin is arranged at described second liftable section, be positioned at the rear side of described second stop block, the second stop block described in backstop when described second stop block turns to forward the state protruding from described second liftable section.
7. laser wheel as claimed in claim 6 is to dimensional measurement machine, it is characterized in that, also comprises:
3rd stops wheel mechanism, it comprises the 3rd stop block and the second straight line driving mechanism, described 3rd stop block is arranged at the side of the second segment rail body being positioned at front side, described second straight line driving mechanism is connected to the 3rd stop block, drive described 3rd stop block to do stretching motion relative to described second segment rail body, protrude from or do not protrude from the upper surface of described second segment rail body to make described 3rd stop block;
4th stops wheel mechanism, it comprises the 4th stop block, second spacing bearing pin and the second back-moving spring, wherein, described 4th stop block is pivoted to the side of the first paragraph rail body being positioned at rear side, and described 4th stop block does not protrude from the upper surface of described first paragraph rail body when rotating backward, described second back-moving spring is arranged between described 4th stop block and described first paragraph rail body, with the acting force applying to rotate forward to described 4th stop block, and make described 4th stop block return to the state protruding from described first paragraph rail body, described second spacing bearing pin is arranged at described second segment rail body, be positioned at the rear side of described 4th stop block, the 4th stop block described in backstop when described 4th stop block turns to forward the state protruding from described second segment rail body.
8. laser wheel as claimed in claim 6 is to dimensional measurement machine, it is characterized in that, also comprises:
Thumb wheel mechanism, it comprises driving lever and the 3rd straight line driving mechanism, wherein, middle part pivot joint and the described second liftable section of described driving lever are articulated in pivoting point, described pivoting point is positioned at the rear side of described second stop block, and described 3rd straight line driving mechanism is connected to the lower end of described driving lever, and the lower end to described driving lever exports linear driving force, make described driving lever pivoted, and then the upper end of described driving lever is protruded from or does not protrude from the upper surface of described second liftable section;
Rotating wheel mechanisms that, it is arranged in described casing.
9. laser wheel as claimed in claim 1 or 2 is to dimensional measurement machine, and it is characterized in that, described laser measuring device for measuring comprises:
Support;
Vertical guide and cross slide way, install on the bracket;
First laser sensor, it is slidably disposed in described vertical guide;
Second laser sensor, it is slidably disposed on described cross slide way;
First servomotor, it is connected to described first laser sensor by the first screw nut driven mechanism, drives described first laser sensor to slide along described vertical guide;
Second servomotor, it is connected to described second laser sensor by the second screw nut driven mechanism, drives described second laser sensor to slide along described cross slide way.
10. laser wheel as claimed in claim 9 is to dimensional measurement machine, and it is characterized in that, described laser measuring device for measuring also comprises:
First box body, it is installed on the bracket, described first laser sensor and described vertical guide are arranged in the first box body, described first box body offers the first through hole vertically extended on the position corresponding with the mobile route of described first laser sensor, extends to outside described first box body to make the laser optical path of described first laser sensor;
Second box body, it is installed on the bracket, described second laser sensor and described cross slide way are arranged in the second box body, described second box body offers the second through hole of horizontal expansion on the position corresponding with the mobile route of described second laser sensor, extends to outside described second box body to make the laser optical path of described second laser sensor;
Blowing mechanism, it comprises air supply system and at least two gas tips, at least two gas tips are separately positioned on the outside of the first through hole and the second through hole, the opening of at least two gas tips is towards the inside of the first box body and the second box body, and at least two gas tips are communicated to described air supply system by gas piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728078.5U CN205014949U (en) | 2015-09-18 | 2015-09-18 | Laser wheel pair size measurement machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728078.5U CN205014949U (en) | 2015-09-18 | 2015-09-18 | Laser wheel pair size measurement machine |
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| Publication Number | Publication Date |
|---|---|
| CN205014949U true CN205014949U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728078.5U Active CN205014949U (en) | 2015-09-18 | 2015-09-18 | Laser wheel pair size measurement machine |
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| CN (1) | CN205014949U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352794A (en) * | 2016-10-31 | 2017-01-25 | 郑州铁路职业技术学院 | Automatic detecting instrument for railway vehicle wheel shaft concentricity |
| CN109969227A (en) * | 2018-01-10 | 2019-07-05 | 深圳市行知达科技有限公司 | Wheel set detecting device, high-speed rail Wheel set detecting device and motor car wheel are to detection device |
| CN111288917A (en) * | 2020-03-11 | 2020-06-16 | 成都华瑞智创轨道交通科技有限公司 | Rail vehicle wheel out-of-round detection device |
-
2015
- 2015-09-18 CN CN201520728078.5U patent/CN205014949U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352794A (en) * | 2016-10-31 | 2017-01-25 | 郑州铁路职业技术学院 | Automatic detecting instrument for railway vehicle wheel shaft concentricity |
| CN109969227A (en) * | 2018-01-10 | 2019-07-05 | 深圳市行知达科技有限公司 | Wheel set detecting device, high-speed rail Wheel set detecting device and motor car wheel are to detection device |
| CN109969227B (en) * | 2018-01-10 | 2024-04-26 | 深圳市行知达科技有限公司 | Wheel set detection device, high-speed railway wheel set detection device and moving wheel set detection device |
| CN111288917A (en) * | 2020-03-11 | 2020-06-16 | 成都华瑞智创轨道交通科技有限公司 | Rail vehicle wheel out-of-round detection device |
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