CN209355874U - A kind of deceleration box cavity profile tolerance detection device - Google Patents
A kind of deceleration box cavity profile tolerance detection device Download PDFInfo
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- CN209355874U CN209355874U CN201822119943.2U CN201822119943U CN209355874U CN 209355874 U CN209355874 U CN 209355874U CN 201822119943 U CN201822119943 U CN 201822119943U CN 209355874 U CN209355874 U CN 209355874U
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- box cavity
- deceleration box
- detection device
- profile tolerance
- servo motor
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Abstract
The utility model relates to reduction gearbox detection technique fields, in particular to a kind of deceleration box cavity profile tolerance detection device, it is made of several parts such as apparatus body, support platform, hold-down mechanism, positioning plate, laser distance sensor, driving mechanism and processor, wherein, support platform is set on apparatus body.Positioning through hole compatible with the outer profile of reduction gearbox bottom is offered on above-mentioned positioning plate.Positioning plate fits in the upper surface of support platform.In addition, being also provided with hold-down mechanism right above support platform.Laser distance sensor carries out up and down direction along the center line of deceleration box cavity under the action of the driving mechanism and moves and rotate in a circumferential direction, in order to obtain the data in each section of deceleration box cavity, cross section profile degree is compared with the modeling data in corresponding section point by point in real time according to by the data comparison unit of processor, the final profile for obtaining the section whether He Ge result.
Description
Technical field
The utility model relates to reduction gearbox detection technique field, especially a kind of deceleration box cavity profile tolerance detection device.
Background technique
As the improvement of people's living standards, car is applied and is popularized on a large scale.SUV car is especially strong with power
The advantages of strength, is liked by people, wherein reduction gearbox plays the role of vital.In order to ensure the assembly matter of reduction gearbox
Amount and fit dimension requirement, before formally being assembled to it, need to carry out cross section profile degree (the i.e. edge wheel in section of inner cavity
Wide size) it is detected.
The detection of the cross section profile degree of deceleration box cavity is always the difficult point of manufacturing enterprise.In the prior art, it usually adopts
The scale error of its inner cavity is examined with template Comparison Method, or using each point coordinate on its inner cavity curved surface of three coordinate measuring engine measurement
Value, and compared with theoretical value carries out data, to calculate the scale error of reduction gearbox.But template Comparison Method is by human factor shadow
It is poor to ring larger and accuracy, and detection time needed for three coordinate measuring engine measurement method is longer, detection efficiency is low, measures number
According to cannot be directly used to error-tested, it is necessary to pass through certain data processing and calculating, need operator with higher specially
Industry quality and skill quality.It would therefore be highly desirable to which technical staff solves the above problems.
Utility model content
Problem to be solved in the utility model is to provide that a kind of detection speed is fast, accuracy is high and automatically derived judgement result
Deceleration box cavity profile tolerance detection device.
In order to solve the above-mentioned technical problem, the utility model relates to a kind of deceleration box cavity profile tolerance detection device,
Include:
Apparatus body is provided with the support platform for placing reduction gearbox to be detected；
Hold-down mechanism is set to the surface of support platform, for compressing the reduction gearbox；
The upper surface of support platform is fixed in positioning plate, fitting；It is offered on the positioning plate and reduction gearbox bottom
The compatible positioning through hole of outer profile, for realizing to the circumferentially positioned of reduction gearbox；
Laser distance sensor carries out up and down direction along the center line of deceleration box cavity under the action of the driving mechanism
It moves and rotates in a circumferential direction, to obtain the data in each section of deceleration box cavity；
Driving mechanism includes the elevating mechanism and rotating mechanism run independently of each other, wherein elevating mechanism is by the first servo
Motor is driven, and rotating mechanism is driven by the second servo motor；
Processor, real-time reception first servo motor, the signal of the second servo motor feedback and laser distance sensing
The cross-section data of device feedback；Processor determines laser distance sensor relative to deceleration according to the signal that first servo motor is fed back
The position of box cavity in above-below direction, processor determine that laser distance sensor is opposite according to the signal that the second servo motor is fed back
In the axis rotation speed of the deceleration box cavity；Processor is provided with data comparison unit, for comparing laser distance sensing
Maximum absolute deviation of mean value Δ of the cross-section data of device feedback relative to the modeling data of deceleration box cavity1；
Processor is provided with standard deviation value Δ, works as Δ1When > Δ, i.e. the respective cross-section of judgement deceleration box cavity does not conform to
Lattice；Work as Δ1When≤Δ, i.e. the respective cross-section of judgement deceleration box cavity is qualified.
Further, elevating mechanism further includes the lead screw driven by first servo motor, the lead screw is fixed
Fixing seat, linear guide, sliding block compatible with the linear guide and the transition plates for being connected to the sliding block.Transition plates is by silk
Thick stick is driven, and is displaced along the vertical direction under linear guide and the collective effect of sliding block.Rotating mechanism further includes
The attachment base mutually fixed with transition plates, the vertical shape shaft driven by the second servo motor.The lower end of the shaft is fixed
In attachment base, end is used to fixed laser range sensor thereon.
Wherein, linear guide is at least two, is symmetrically arranged at the arranged on left and right sides of lead screw；Profit is provided on sliding block
Nipple.
Further, it offers and is passed through for screw, to realize the screwing through hole that its own is fixed in positioning plate,
The opposed corresponding threaded hole with above-mentioned screwing through hole is provided in support platform.At least two are additionally provided on positioning plate
Dowel hole.
Further, deceleration box cavity profile tolerance detection device further includes the protection for being set to laser distance sensor periphery
Shell is removably attachable to the upper end of shaft.
Further, hold-down mechanism includes the L shape support plate mutually fixed with apparatus body, is fixed on support plate straight down
On pneumatic cylinder and the pressure head that is detachably connected with pneumatic cylinder.L shape support plate is that removable fasteners are connect with apparatus body, phase
Accordingly, have on apparatus body and offer the threaded hole group that multiple groups are arranged along the vertical direction.
Further, L shape support plate is provided with stiffener plate.Stiffener plate is set as more than one piece, and along L shape support plate
Length direction be evenly distributed with.
Further, hold-down mechanism further includes limit sensors, is defined for the extreme position to pressure head.Limit
Sensor is fixed on the lower surface of L shape support plate.
Compared with prior art, it is the advantages of technical solutions of the utility model:
A certain section of profile tolerance of a surface data of deceleration box cavity are obtained in real time by itself rotation of laser distance sensor, it will
The profile tolerance data are compared with the modeling data in corresponding section point by point in real time by the data comparison unit of processor, finally
The section profile whether He Ge result.The laser distance sensor is driven to carry out along the vertical direction in addition, being additionally provided with
Mobile elevating mechanism consequently facilitating measuring the profile profile tolerance data in multiple sections of deceleration box cavity, and then obtains deceleration
The overall profile degree of box cavity.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the axis side view of the utility model deceleration box cavity profile tolerance detection device.
Fig. 2 is the main view of the utility model deceleration box cavity profile tolerance detection device.
Fig. 3 is the axis of the utility model deceleration box cavity profile tolerance detection device (removal shell, reduction gearbox, positioning plate etc.)
Side view.
Fig. 4 is the left view of the utility model deceleration box cavity profile tolerance detection device.
Fig. 5 is the structural schematic diagram of positioning plate in the utility model deceleration box cavity profile tolerance detection device.
Fig. 6 is I partial enlarged view in Fig. 1.
Fig. 7 is II partial enlarged view in Fig. 3.
Fig. 8 is III partial enlarged view in Fig. 4.
1- apparatus body；11- threaded hole group；2- reduction gearbox；3- support platform；4- hold-down mechanism；41-L shape support plate；
411- stiffener plate；4111- crosses welding hole；42- pneumatic cylinder；43- pressure head；5- positioning plate；51- positioning through hole；52- screwing through hole；
53- dowel hole；6- laser distance sensor；7- driving mechanism；71- elevating mechanism；711- first servo motor；712-
Thick stick；713- fixing seat；714- linear guide；715- sliding block；7151- grease fitting；716- transition plates；717- universal coupling；
72- rotating mechanism；The second servo motor of 721-；722- attachment base；723- shaft；8- limit sensors；9- shell.
Specific embodiment
In the description of the present invention, it should be understood that the orientation of the instructions such as term "left", "right", "upper", "lower"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
Combined with specific embodiments below, the content of the utility model is described in further detail.In order to reach this reality
With novel purpose, Fig. 1, Fig. 2, Fig. 3, Fig. 4 respectively illustrate the axis of the utility model deceleration box cavity profile tolerance detection device
Side view, main view, removing component axis side view and left view by apparatus body 1, support platform 3, hold-down mechanism 4, are determined
Several parts such as position plate 5, laser distance sensor 6, driving mechanism 7 and processor (not shown) are constituted, wherein equipment sheet
Body 1 is preferably the frame structure welded, and is provided with plate-like support platform 3 on it, for placing reduction gearbox 2 to be detected.
Positioning through hole 51 (as shown in Figure 5) compatible with the outer profile of 2 bottom of reduction gearbox is offered on above-mentioned positioning plate 5, is used
To realize to the circumferentially positioned of reduction gearbox 2.Positioning plate 5 removably fits in the upper surface of support platform 3.In addition, for reality
The up and down direction of existing reduction gearbox 2 clamps positioning, and hold-down mechanism 4 is also provided with right above support platform 3.Driving mechanism 7 includes
Elevating mechanism 71 and rotating mechanism 72.Laser distance sensor 6 respectively under the action of elevating mechanism 71, rotating mechanism 72 along
The center line of 2 inner cavity of reduction gearbox carries out up and down direction movement and rotates in a circumferential direction, in order to obtain each section in 2 inner cavity of reduction gearbox
Data.Elevating mechanism 71 and the preferred servo motor of rotating mechanism 72 are driven, and for the ease of distinguishing, are named as the first servo
Motor 711 and the second servo motor 721, it is corresponding with elevating mechanism 71, rotating mechanism 72 respectively.Above-mentioned processor is used to real-time
Receive first servo motor 711, the number of cross-sections that the signal of the second servo motor 721 feedback and laser distance sensor 6 are fed back
According to.Processor determines that laser distance sensor 6 exists relative to 2 inner cavity of reduction gearbox according to the signal that first servo motor 711 is fed back
The position of up and down direction, and determine laser distance sensor 6 relative to reduction gearbox according to the signal that the second servo motor 721 is fed back
The axis rotation speed of 2 inner cavities.The a certain section in 2 inner cavity of reduction gearbox is obtained in real time by itself rotation of laser distance sensor 6
Profile tolerance data, processor is additionally provided with data comparison unit (not shown), anti-for comparing laser distance sensor 6
Maximum absolute deviation of mean value Δ of the cross-section data of feedback relative to the modeling data of 2 inner cavity of reduction gearbox1.By the cross section profile degree evidence
It is compared point by point with the modeling data in corresponding section in real time by the data comparison unit of processor, the final wheel for obtaining the section
It is wide whether He Ge result.Processor is provided with standard deviation value Δ, works as Δ1When > Δ, that is, determine this section of 2 inner cavity of reduction gearbox
Face is unqualified；Work as Δ1When≤Δ, i.e. the section of judgement 2 inner cavity of reduction gearbox is qualified.In addition, laser distance sensor 6 is being gone up and down
The displacement of up and down direction is carried out under the action of mechanism 71, consequently facilitating the outline data in multiple sections of 2 inner cavity of reduction gearbox is measured,
And then obtain the overall profile degree of 2 inner cavity of reduction gearbox.
Here, needing to illustrate a bit, according to the inspection criterion of deceleration box cavity profile tolerance, the setting of above-mentioned standard deviation Δ
It is advisable for 0.3mm.
Furthermore in so that the composition component of above-mentioned elevating mechanism 71 and rotating mechanism 72 exempt to be affected by the external environment with
And safety in utilization considers, can also be enclosed with the shell 9 of thin plate composition in the periphery of apparatus body 1, and pass through screw and set
Standby ontology 1 is fixed.
As advanced optimizing for above-mentioned deceleration box cavity profile tolerance detection device, above-mentioned elevating mechanism 71 is in addition to including upper
The first servo motor 711 stated, further include the lead screw 712 driven by the first servo motor 711, to the lead screw 712 into
The fixed fixing seat 713 of row, linear guide 714, sliding block 715 compatible with the linear guide 714 and it is connected to the sliding block
715 transition plates 716.Transition plates 716 is driven by lead screw 712, and in linear guide 714 and the common work of sliding block 715
It is displaced (as shown in Figure 3) along the vertical direction under.In order to reduce influence of the relative position deviation to transmission, can pass through
The realization lead screw 712 of universal coupling 717 couples (as shown in Figure 7) with first servo motor 711.
Rotating mechanism 72 further includes the connection fixed with 716 phase of transition plates in addition to including the second above-mentioned servo motor 721
Seat 722, the vertical shape shaft 723 (as shown in Figure 3) driven by the second servo motor 721.The lower end of the shaft 723
It is fixed on attachment base 722, end is used to fixed laser range sensor 6 (as shown in Figure 8) thereon.Above-mentioned fixing seat 713 is excellent
It is selected as rolling bearing pedestal, and quantity is set as 2, is arranged respectively close to the upper and lower end of lead screw 712.
Furthermore linear guide 714 is set as two, and is symmetrically arranged at the arranged on left and right sides of lead screw 712, so that
Transition plates 716 has good stress and guiding performance.In addition, in order to reduce sliding block 715 relative to linear guide 714
Relative friction forces improve the service life of the two, can also be provided with grease fitting 7151, on sliding block 715 in order to real-time
Ground injects grease (as shown in Figure 6) to the opposite sliding surface of the two by grease gun.Certainly, linear guide 714 can also root
Three, four etc. are set as according to actual conditions.
Furthermore in order to enable the detection device is suitable for the reduction gearbox of different batches or specification, positioning plate 5 can be arranged
To be detachable, convenient for staff, adaptation has different shape positioning through hole 51 in support platform 3 as the case may be
Positioning plate 5.Specifically: 5 are opened in positioning plate and is equipped with screwing through hole 52, so that screw passes through, to realize to its own and support
The fixation of platform 3 is correspondingly provided with the opposed corresponding threaded hole with above-mentioned screwing through hole in support platform 3.Herein
Need to illustrate explanation a bit, in order to ensure the certainty of positioning plate 5 and 3 relative position of support platform, so that it is guaranteed that reduction gearbox 2
It is accurately positioned, it is necessary at least two dowel holes 53 are set in positioning plate 5, and interval cannot be less than 5cm.
Furthermore in order to reduce external dust, heat radiation etc. to the shadow of 6 service life of laser distance sensor and measurement accuracy
It rings, its periphery can also be provided with protective shell (not shown).Preferably, the protective shell is in such a way that fastener couples
It is detachably secured to the upper end of shaft 723.
Furthermore hold-down mechanism 4 is made of several parts such as L shape support plate 41, pneumatic cylinder 42 and pressure heads 43, wherein L shape branch
Fagging 41 is detachably secured on apparatus body 1 by screw, is accordingly existed, and threaded hole group 11 is provided on apparatus body 1.
The vertical state of pneumatic cylinder 42 is arranged downwards, and is fixed in above-mentioned L shape support plate 41 by fastener.In addition, for the ease of to pressure
The integral installation height of tight mechanism 4 is adjusted, and above-mentioned threaded hole group 11 may be configured as multiple groups, arrange along the vertical direction.
Furthermore in order to improve the structural strength of L shape support plate 41 itself, it can also be welded with stiffener plate 411 on it.
Stiffener plate 411 is set as more than one piece, and is evenly distributed with along the length direction of L shape support plate 41.For the ease of being welded, also need
The basis of stiffener plate 411 to be provided with welding hole 4111.
Finally, being defined for the ease of the relative position to pressure head 43, limit sensors 8 can also be set, preferably
It is fixed on the lower surface of L shape support plate 41.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of deceleration box cavity profile tolerance detection device characterized by comprising
Apparatus body is provided with the support platform for placing reduction gearbox to be detected；
Hold-down mechanism is set to the surface of the support platform, for compressing the reduction gearbox；
The upper surface of the support platform is fixed in positioning plate, fitting；It is offered on the positioning plate and the reduction gearbox
The compatible positioning through hole of the outer profile of bottom, for realizing to the circumferentially positioned of the reduction gearbox；
Laser distance sensor carries out up and down direction along the center line of the deceleration box cavity under the action of the driving mechanism
It moves and rotates in a circumferential direction, to obtain the data in each section of deceleration box cavity；
The driving mechanism includes the elevating mechanism and rotating mechanism run independently of each other, wherein the elevating mechanism is by first
Servo motor is driven, and the rotating mechanism is driven by the second servo motor；
Processor, the signal and the laser of first servo motor described in real-time reception, second servo motor feedback
The cross-section data of range sensor feedback.
2. deceleration box cavity profile tolerance detection device according to claim 1, which is characterized in that the elevating mechanism also wraps
Fixing seat, linear guide and the straight line for including the lead screw driven by first servo motor, the lead screw being fixed
The compatible sliding block of guide rail and the transition plates for being connected to the sliding block；The transition plates is driven by lead screw, and described
It is displaced along the vertical direction under linear guide and the collective effect of the sliding block；The rotating mechanism further includes and the mistake
Attachment base that cab apron is mutually fixed, the vertical shape shaft driven by the second servo motor；The lower end of the shaft is fixed on
The attachment base, end is used to fix the laser distance sensor thereon.
3. deceleration box cavity profile tolerance detection device according to claim 2, which is characterized in that the linear guide is at least
It is two, is symmetrically arranged at the arranged on left and right sides of the lead screw；It is provided with grease fitting on the slide block.
4. deceleration box cavity profile tolerance detection device according to claim 1, which is characterized in that opened up in the positioning plate
Have and passed through for screw, to realize the screwing through hole that its own is fixed, is provided in the support platform and the spiral shell
Follow closely the opposed corresponding threaded hole of through-hole；At least two dowel holes are additionally provided on the positioning plate.
5. deceleration box cavity profile tolerance detection device according to claim 2, which is characterized in that further include be set to it is described
The protective shell of laser distance sensor periphery, is removably attachable to the upper end of the shaft.
6. deceleration box cavity profile tolerance detection device according to claim 1, which is characterized in that the hold-down mechanism includes
The L shape support plate mutually fixed with the apparatus body, the pneumatic cylinder being fixed in the support plate straight down and with it is described
The pressure head that pneumatic cylinder is detachably connected；The L shape support plate is that removable fasteners are connect with the apparatus body, correspondingly,
Have on the apparatus body and offers the threaded hole group that multiple groups are arranged along the vertical direction.
7. deceleration box cavity profile tolerance detection device according to claim 6, which is characterized in that in the L shape support plate
It is provided with stiffener plate；The stiffener plate is set as more than one piece, and is evenly distributed with along the length direction of the L shape support plate.
8. the deceleration box cavity profile tolerance detection device according to any one of claim 6-7, which is characterized in that further include
Limit sensors are defined for the extreme position to the pressure head；The limit sensors are fixed on the L shape support plate
Lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119943.2U CN209355874U (en) | 2018-12-17 | 2018-12-17 | A kind of deceleration box cavity profile tolerance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822119943.2U CN209355874U (en) | 2018-12-17 | 2018-12-17 | A kind of deceleration box cavity profile tolerance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209355874U true CN209355874U (en) | 2019-09-06 |
Family
ID=67799229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822119943.2U Active CN209355874U (en) | 2018-12-17 | 2018-12-17 | A kind of deceleration box cavity profile tolerance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209355874U (en) |
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2018
- 2018-12-17 CN CN201822119943.2U patent/CN209355874U/en active Active
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