CN208419913U - Portable three-coordinate measuring machine - Google Patents
Portable three-coordinate measuring machine Download PDFInfo
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- CN208419913U CN208419913U CN201721865241.8U CN201721865241U CN208419913U CN 208419913 U CN208419913 U CN 208419913U CN 201721865241 U CN201721865241 U CN 201721865241U CN 208419913 U CN208419913 U CN 208419913U
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Abstract
The utility model provides a kind of portable three-coordinate measuring machine, comprising: measuring head, processing circuit and sequentially connected six rotary joints, the measuring head are connect with a rotary joint；Each rotary joint is separately provided for detecting its angular encoder for rotating angle, each angular encoder is electrically connected with the processing circuit respectively, the angle information that all angles encoder detects is converted electric signal by the processing circuit, and by the electric signal transmission to host equipment, to calculate the opposite digital coordinates of measuring head.
Description
Technical field
The utility model relates to field of precision measurement, and in particular to a kind of portable three-coordinate measuring machine.
Background technique
With the development of machine industry, the level of processing of components is improved.The process-cycle of components shortens, size
Stringenter with Geometrical Tolerance Principle, contour structures are more complicated.To ensure that components can reach design requirement, in process
In need to key factor carry out dimensional measurement and geometric tolerance detection, to be adjusted to subsequent production technology；It is producing
When product are assembled, after the assembly of multiple components, needs to detect cooperation between two or more components, send out in advance
Existing rejected product, avoids substandard products from being flowed into next step assembling link.
But the measurement of the measurers such as vernier caliper, amesdial, bevel protractor progress is usually used in traditional measurement method, for
Spare part outside measurement is larger, and the part of complex contour can not directly measure element to be measured, can only choose transition base on part
Standard is measured indirectly.Indirectly during measurement, even if guaranteeing that conventional amounts have very high precision, but due to not can avoid
The random error of artificial measurement operation, transition baseline is more, and also with that should increase, cumulative errors also will increase pendulous frequency, this
It does not only result in and spends time of measuring longer, and be difficult to ensure the accuracy of measurement result.
Three coordinate measuring machine is generally made of three orthogonal linear motion axis at present, is furnished with scale system on linear motion axis
System is used to measure the coordinate values of each axis, by contact or non-contacting mode, acquires several data points on tested part, number
Measurement result after strong point carries out operation by matched software, directly needed for output.It is effectively reduced artificial measurement behaviour in this way
The random error of work, while being avoided that and measuring that time-consuming indirectly, the insecure situation of measurement result.
But conventional three coordinate measuring machine volume is larger, is not easy to carry.After carrying, the personnel of profession are needed to carry out time-consuming
It could normal use after longer debugging.Although conventional three-dimensional coordinates measurement can detect complex-shaped part, right
It is detected in the assembling of the needing to carry out on-site test of the task, especially car body sheet metal component production line, the size and shape of large mold
Position tolerance detection, reverse research of historical relic etc., it is difficult to task is measured using conventional three coordinate measuring machine, so conventional
There are biggish blank in Precision measurement field for three coordinate measuring machine.
Utility model content
The utility model embodiment provides a kind of portable three-coordinate measuring machine, and there is the big carrying of measurement range flexibly to have
Beneficial effect.
The utility model embodiment provides a kind of portable three-coordinate measuring machine, comprising: measuring head, processing circuit and according to
Six rotary joints of secondary connection, the measuring head are connect with a rotary joint；
Each rotary joint is separately provided for detecting its angular encoder for rotating angle, each angular coding
Device is electrically connected with the processing circuit respectively, and the processing circuit converts the angle information that all angles encoder detects to
Electric signal, and by the electric signal transmission to host equipment, to calculate the opposite digital coordinates of measuring head.
It further include first connecting rod and the second connection in portable three-coordinate measuring machine described in the utility model
Bar；
Six rotary joints include: the first rotary joint, the second rotary joint, third rotary joint, the 4th rotation
Joint, the 5th rotary joint and the 6th rotary joint；
The both ends of the first connecting rod are connect with second rotary joint and the third rotary joint respectively, institute
The both ends for stating the second connecting rod are connect with the 4th rotary joint and the 5th rotary joint respectively, the 4th rotation
Joint is connect with the third rotary joint, and second rotary joint is connect with first rotary joint, the 5th rotation
Turn joint to connect with the 6th rotary joint, the measuring head is connect with the 6th rotary joint.
In portable three-coordinate measuring machine described in the utility model, second rotary joint includes that second angle is compiled
Code device and the second connector；
One end of the second angle encoder is connect with first rotary joint, the second angle encoder it is another
One end is connect with second connector, and second connector is connect with one end of the first connecting rod.
In portable three-coordinate measuring machine described in the utility model, the second angle encoder includes outside second
Shell, the second main shaft and equalizing feature；
The second housing is in ladder tubulose；
Second main shaft includes the outer cylinder and inner tube of coaxial arrangement, the interior bottom of one end of said inner tube and the outer cylinder
Wall connection；
One end of said inner tube is plugged in the second housing, one end of the second housing be plugged on said inner tube with
In gap between the outer cylinder, the equalizing feature is socketed on the lateral wall of said inner tube, and the end of the equalizing feature
The mutual Elastic Contact in end in portion and the outer cylinder.
In portable three-coordinate measuring machine described in the utility model, the equalizing feature is metal tube, the balance
The slit of the axial screw extension along the metal tube is offered on the side wall of component.
In portable three-coordinate measuring machine described in the utility model, the starting of the slit on the equalizing feature
End and destination terminal are respectively arranged with the first stress relief grooves and the second stress relief grooves.
It further include a fixed ring in portable three-coordinate measuring machine described in the utility model, the one of the fixed ring
End is socketed on the lateral wall of the equalizing feature, and the other end of the fixed ring is set on the lateral wall of the outer cylinder；
One end towards the equalizing feature of the fixed ring offers at least one first limiting slot, the equalizing feature
Lateral wall on be provided at least one first retention bead, first retention bead is plugged in first limiting slot.
In portable three-coordinate measuring machine described in the utility model, the central axes of the first connecting rod and this second
The main shaft of rotary joint is mutually perpendicular to, and the main shaft of the main shaft of first rotary joint and second rotary joint mutually hangs down
Directly；The main shaft of the third rotary joint is overlapped with the central axes of the first connecting rod, the main shaft point of the 4th rotary joint
It is not vertical with the main shaft of the central axes of second connecting rod and the third rotary joint, the main shaft of the 5th rotary joint
It is overlapped with the central axes of second connecting rod, the main shaft of the 5th rotary joint and the main shaft of the 6th rotary joint hang down
Directly.
In portable three-coordinate measuring machine described in the utility model, second connector includes interconnected
One connecting tube and the second connecting tube；
First connecting tube is connect with described first connecting rod one end；Second connecting tube and the second angle are compiled
The central axes of one end connection of code device, first connecting tube and the second connecting tube are mutually perpendicular to.
It further include electrical module in portable three-coordinate measuring machine described in the utility model, the electrical module packet
It overlays on the lateral wall of first rotary joint.
In portable three-coordinate measuring machine described in the utility model, the electrical module is coated on described first
Housing section on the lateral wall of the angular encoder of rotary joint；
Power supply module is provided in the housing section, the processing circuit is set in the housing section, the power supply group
Part is electrically connected with the processing circuit.
It further include the voice group for reminding detecting state in portable three-coordinate measuring machine described in the utility model
Part, the voice component are set in the housing section and are electrically connected with the power supply module.
It further include six temperature sensors, Mei Yisuo in portable three-coordinate measuring machine described in the utility model
Rotary joint is stated to connect with a temperature sensor respectively；The angular encoder of six rotary joints is respectively according to correspondence
The temperature parameter that the temperature sensor detects compensates the angle information that itself is detected.
In portable three-coordinate measuring machine described in the utility model, on each described angular encoder be installed week
Phase code-disc and decoding reading head, are used to form periodic signal, so that the signal of period code-disc is converted to uniquely by processing circuit
Angle position.
In portable three-coordinate measuring machine described in the utility model, the processing circuit, the temperature sensor with
And it is carried out between the angular encoder by the structure that RS485 bus type topological structure and RS485 stelliform connection topology configuration combine
Communication.
In portable three-coordinate measuring machine described in the utility model, the processing circuit, the temperature sensor with
And annular daisy chain topology is communicated between the angular encoder.
In portable three-coordinate measuring machine described in the utility model, first rotary joint, third rotation
Joint, the 5th rotary joint angular encoder on be mounted on the slip ring of unlimited rotary.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the portable three-coordinate measuring machine in the utility model embodiment.
Fig. 2 is the decomposition texture schematic diagram of the portable three-coordinate measuring machine in the utility model embodiment.
Fig. 3 is the schematic cross-sectional view of the portable three-coordinate measuring machine in the utility model embodiment.
Fig. 4 is the structural schematic diagram of the first connector in the utility model embodiment.
Fig. 5 is the mounting structure schematic diagram of the first connector in the utility model embodiment.
Fig. 6 is the mounting structure schematic diagram of the second connector in the utility model embodiment.
Fig. 7 is the mounting structure schematic diagram of the electrical module in the utility model embodiment.
Fig. 8 is the structural schematic diagram of the second angle encoder in the utility model embodiment.
Fig. 9 is the decomposition texture schematic diagram of the second angle encoder in the utility model embodiment.
Figure 10 is the structural schematic diagram of the first angle encoder in the utility model embodiment.
Figure 11 is the structural schematic diagram of the third angle encoder in the utility model embodiment.
Figure 12 is the data processing of one of the utility model embodiment and Principle of Communication figure.
Figure 13 is another data processing and Principle of Communication figure in the utility model embodiment.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of the portable three-coordinate measuring machine in an embodiment of the present invention.
Referring to Fig. 2 and Fig. 3, which includes: measuring head, processing circuit and sequentially connected six
A rotary joint, the measuring head are connect with a rotary joint；Each rotary joint is separately provided for detecting
Its angular encoder for rotating angle, each angular encoder are electrically connected with the processing circuit respectively, and the processing circuit will
The angle information that all angles encoder detects is converted into electric signal, and by the electric signal transmission to host equipment, to calculate
The opposite digital coordinates of measuring head out.Period code-disc and decoding reading head are installed on each angular encoder, are used to form
Periodic signal, so that the signal of period code-disc is converted to unique angle position by processing circuit.
Six rotary joints include the first rotary joint 1, the second rotary joint 2, the rotation of third rotary joint the 3, the 4th
Joint 4, the 5th rotary joint 5 and the 6th rotary joint 6.
Wherein, the portable three-coordinate measuring machine include go back first connecting rod 11, the second connecting rod 12, electrical module 40 with
And measuring head 50.The both ends of first connecting rod 11 connect with second rotary joint 2 and the third rotary joint 3 respectively
It connects, the both ends of second connecting rod 12 are connect with the 4th rotary joint 4 and the 5th rotary joint 5 respectively, institute
It states the 4th rotary joint 4 to connect with the third rotary joint 3, second rotary joint 2 and first rotary joint 1
Connection, the 5th rotary joint 5 are connect with the 6th rotary joint 6, the measuring head 50 and the 6th rotary joint
6 connections.
Wherein, which is connect with first angle encoder 31 by the first connector 21 and is formed.Second rotation
Turn joint 2 and connect by the second connector 22 with second angle encoder 32 to be formed.The third rotary joint 3 is by third connector 23
Formation is connect with third angle encoder 33.4th rotary joint 4 is connected by the 4th connector 24 with fourth angle encoder 34
It connects to be formed.5th rotary joint 5, which is connect by the 5th connector 25 with the 5th angular encoder 35, to be formed.6th rotary joint
6 are connect with the 6th angular encoder 36 by the 6th connector 26 and are formed.
Specifically, the 4th connector 24 is connect with one end of the second connecting rod 12, the both ends of the fourth angle encoder 34
It is connect respectively with the 4th connector 24 and the third connector 23, the third connector 23 and the third angle encoder
33 one end connection, the other end of the third angle encoder 33 are connect with one end of the first connecting rod 11, first connection
The other end of bar 11 is connect with second connector 22, the both ends of the second angle encoder 32 respectively with first connector 21
And second connector 22 connection, first connector 21 are connect with one end of the first angle encoder 31.This first jiao
The other end of degree encoder 31 is connect with the electrical module 40.
The both ends of 5th angular encoder 35 respectively with the other end of second connecting rod 12 and the 5th connector
25 connections.The both ends of 6th angular encoder 36 are connect with the 5th connector 25 and the 6th connector 26 respectively.It should
6th connector 26 is connect with the measuring head 50.
Wherein, the central axes of the first connecting rod 11 and the main shaft of the second angle encoder 32 are mutually perpendicular to, this
The main shaft of the main shaft and the second angle encoder 32 of one angular encoder 31 is mutually perpendicular to；The third angle encoder 33
Main shaft be overlapped with the central axes of the first connecting rod 11, the main shaft of the fourth angle encoder 34 respectively with this second connect
The central axes of extension bar 12 and the central axes of the third angle encoder 33 are vertical.The main shaft of 5th angular encoder 35
It is overlapped with the central axes of second connecting rod 12, main shaft and the 6th angular encoder 36 of the 5th angular encoder 35
Main shaft is vertical.Wherein the main shaft of each angular encoder that is to say the main shaft of the corresponding rotary joint of the angular encoder
Line that is to say rotation axis.
Specifically, the first connecting rod 11 and the second connecting rod 12 are carbon fiber bar, are in hollow tubulose.
In some embodiments, which further includes six temperature sensors, each temperature sensing
Device is corresponding with an angular encoder respectively, first angle encoder 31, second angle encoder 32, third angle encoder 33,
Fourth angle encoder 34, the 5th angular encoder 35, the 6th angular encoder 36 are electrically connected with a temperature sensor respectively.The
One angular encoder 31, second angle encoder 32, third angle encoder 33, fourth angle encoder 34, the 5th angle are compiled
It is provided with temperature-compensation circuit on code device 35, the 6th angular encoder 36, which is used for according to corresponding temperature
The temperature value of sensor detection, compensates the angle information of angular encoder.
Referring to Fig. 4, which includes the second connector ontology 220, the second connector ontology 220
On be provided with orthogonal first connecting tube 221 and the second connecting tube 222.Wherein, which is used for and this
One end of first connecting rod 11 connects.Second connecting tube 222 with one end of the second angle encoder 32 for connecting.
Be additionally provided with mounting groove 223 on the second connector ontology 220, the temperature sensor 600 by fastener 601 with
And bolt 602 is fixedly mounted in the mounting groove 213.
Referring to Fig. 5, the first connecting rod 11 pass through one first bond 11a and second connector 22 the
The connection of one connecting tube 221.
First bond 11a includes the first plug division 113a interconnected and the first adhesive portion 111a, this first is inserted
The intersection of socket part 113a and the first adhesive portion 111a are provided with the step 112a of circular ring shape, first plug division 113a, first
Adhesive portion 111a and step 112a coaxial line.
When installation, first plug division 113a is plugged in first connecting tube 211, the first plug division 113a and
One connecting tube 211 is all the conical surface, connection can be made more firm using cone match.The first adhesive portion 111a first is connect with this
The end of bar is connected by binder, and in the present embodiment, is provided with filler on the outer side surface of first adhesive portion 111a
Slot, so that glue is filled in wherein, to reinforce the connection of the first adhesive portion 111a and first connecting rod 11.
Further, in the present embodiment, at least two first through hole are additionally provided on step 112a, it accordingly, should
At least two first threaded holes are provided on the end face of first connecting tube 211, which is added by bolt 13a
Gu.Bolt 13a passes through first through hole and is screwed onto the first threaded hole.
In some embodiments, dress is additionally provided on the outer wall of the first connecting rod 11 and the intersection of first adhesive portion
Decorative circle 12a, case ring 12a cover the step surface of one end towards the first connecting rod 11 of step 112a.
Go back to Fig. 2, wherein first connector 21 includes third connecting tube 211 interconnected and the 4th connection
The central axes of pipe 212, third connecting tube 211 and the 4th connecting tube 212 are mutually perpendicular to.Wherein, which uses
In the inner in one end grafting for the second angle encoder 32, the 4th connecting tube 212 is used to supply the first angle encoder
31 one end grafting is in the inner.Wherein, it is provided with bonding agent in the third connecting tube 211, to fix the second angle encoder
32 one end.It is provided with bonding agent in 4th connecting tube 212, for fixing one end of the first angle encoder 31.
The third connector 23 includes the 5th connecting tube 231 interconnected and the 6th connecting tube 232, the 5th connection
Pipe 231 is used to be plugged in wherein for one end of the third angle encoder 33.6th connecting tube 232 is used to supply the fourth angle
One end of degree encoder 34 is plugged in wherein.The central axes of 5th connecting tube and the 6th connecting tube are mutually perpendicular to.
4th connector 24 includes the 7th connecting tube 241 interconnected and the 8th connecting tube 242.8th connection
Pipe 242 with one end of second connecting rod 12 for connecting.7th connecting tube 241 is used for and the fourth angle encoder 34
One end connection.One end of the fourth angle encoder 34 is fixed in the 7th connecting tube 241 by bonding agent.7th connection
The central axes of pipe 241 and the 8th connecting tube 242 are mutually perpendicular to.
5th connector 25 includes the 9th connecting tube 251 interconnected and the tenth connecting tube 252.9th connection
For connecting with one end of the 5th angular encoder 35, the tenth connecting tube 252 is used for and the 6th angular coding pipe 251
One end of device 36 connects.
6th connector 26 includes the 11st connecting tube 261 interconnected and the 12nd connecting tube 262.This
For connecting with one end of the 6th angular encoder 36, the 12nd connecting tube 262 is used for and the measurement 11 connecting tubes 261
First 50 one end connection.
Fig. 1 is gone back to, in some embodiments, the 5th connector 25 is also set up and the first protection cap 60, first guarantor
Protecting cover 60 is covered in the 9th connecting tube 251 of the 5th connector 25.
It is also set up on first connector 21 and the second protection cap 70, second protection cap 70 is covered on first connector
In 21 the second connecting tube.
It is additionally provided with third protection cap 80 on the third connector 23, which is covered on the third connector
In 23 the 6th connecting tube.
Second connector 22, the 5th connector 25, is also equipped with protection cap on the 6th connector 26 at the 4th connector 24.
Fig. 7 is please referred to, which includes the housing section of a periphery for being wrapped in the first angle encoder 31
401, the power interface 41 in the housing section 401, indicator light 42, key switch 43, power supply module, processing circuit and language
Sound component.The power interface 41, indicator light 42, key switch 43, power supply module are electrically connected with the control circuit respectively.Power supply group
Part and voice component are electrically connected with the processing circuit respectively.Power supply module includes external detachable battery.
Fig. 8 and Fig. 9 is please referred to, which includes second housing 101, the second main shaft 102, second
Route board mount 103, the second wiring board 104, the second receiving sensor chip 105, second encoder code-disc 106, equalizing feature
107, fixed ring 108 and spacer sleeve 109.
Wherein, which is substantially in ladder tubulose.The spacer sleeve 109 is arranged in the second housing 101.It should
One end of second main shaft 103 is inserted in the spacer sleeve 109.The equalizing feature 107 be socketed on the second housing 101 and with this
The cascaded surface of second housing mutually abuts, the fixed ring 108 be socketed on the other end of second main shaft 102 and with the balance portion
Part 107 mutually abuts.
Specifically, second housing 101 is in ladder tubulose；Second main shaft 102 includes the outer cylinder 1021 and interior of coaxial arrangement
Pipe 1022, one end of said inner tube 1022 are connect with the inner bottom wall of the outer cylinder 1021, and outer cylinder 1021 and inner tube 1022 use
Integral forming process is made.The internal diameter of the outer cylinder 1021 is greater than the outer diameter of said inner tube 1022.One end grafting of inner tube 1022
In second housing 101, one end of second housing 101 is plugged in the gap between inner tube 1022 and the outer cylinder 1021, institute
It states equalizing feature 107 to be socketed on the lateral wall of said inner tube 1022, and the both ends of the equalizing feature 107 are respectively with described
The mutual elasticity of the outer cascaded surface of two shells 101 and the end of the outer cylinder 1021 is low to be connect.
In some embodiments, which is metal tube, is offered on the side wall of equalizing feature 107 along gold
Belong to the slit 1071 that the axial screw of pipe extends, slit 1071 is dextrorotation.The starting point of slit 1071 and destination terminal are set respectively
It is equipped with the first stress relief grooves 1073 and the second stress relief grooves 1074.
One end of fixed ring 108 is socketed on the lateral wall of equalizing feature 107, and the other end of fixed ring 108 is set in outer
On the lateral wall of cylinder 1021.
One end towards equalizing feature 107 of fixed ring 108 offers at least one first limiting slot 1081, equalizing feature
At least one first retention bead 1075 is provided on 107 lateral wall, after the assembly is completed, the first retention bead 1075 is plugged on
In one limiting slot 1081.In the present embodiment, the quantity of the first limiting slot 1081 is two, and the number of the first retention bead 1075
Amount is two.This two the first retention beads 1075 are 180 degree about the angle of the central axes of the equalizing feature 107.
The equalizing feature 107 is connect using bolt with the outer cylinder 1021 of second main shaft 102.
In some embodiments, adjustment equipment auxiliary balance power is additionally provided on the lateral wall on the equalizing feature 107
Adjusting pin 1072.
The position concentrated at the slit beginning of spiral extension and end for stress, the position are easy in twist process
Deformation occurs or destroys, therefore stress may be implemented in first stress relief grooves 1073 and the second stress relief grooves 1074
Release.
The equalizing feature 107 effectively can provide good auxiliary balance power using equipment when to operator, real
Existing unstressed operation.
First encoder angular encoder, the third angle encoder are mounted on the 5th angular encoder
The slip ring of unlimited rotary.
Figure 10 is please referred to, which includes the first main shaft 202, the first shell 201, first end cover 203
And first slip ring 204.First end cover 203 is set to one end of first shell 201, first slip ring 204 be installed on this
On one end cap 203.
Figure 11 is please referred to, which includes third main shaft 302, third shell 301, third end cap 303
And third slip ring 304.Third end cap 303 is set to one end of the third shell 301, the third slip ring 304 be installed on this
On three end caps 303.
5th angular encoder 35 is identical with the structure of third angle encoder 33.
It is to be appreciated that in the present invention, the first angle encoder 31, second angle encoder 32, the third angle
Degree encoder 33, fourth angle encoder 34, the 5th angular encoder 35, the 6th angular encoder 36 can choose photoelectricity volume
Code device or magnetic induction encoder, above-described first angle encoder 31, second angle encoder 32, third angle encoder
33 structure description does not constitute restriction.
In some embodiments, Fig. 6 is please referred to, which is bonded by the second bond 121 and third
Part 123 is connect with the 4th connector 24.Second bond 121 and third bond 123 are bolted, this
Two bonds 121 are provided with hiding glue groove, are connect by glue with second connecting rod 12.The third bond 123 is provided with
Glue groove is hidden, is connect by glue with the 4th connector 24.
Figure 12 is please referred to, in portable three-coordinate measuring machine, RS485 can be used and assisted as equipment internal communication bus
View.Use USB/WIFI communication module 502 as RS485 as host computer communication, and encoder acquisition is used as with compensating module and leads to
Interrogate slave.In Route topology structure, mutually tied using RS485 bus type topological structure with the connection of RS485 stelliform connection topology configuration
It closes.The encoder acquisition and compensating module 501 and USB/WIFI communication module 502 connected due to first angle encoder 31 is direct
It has been integrated into communication housing unit, encoder acquisition and compensating module 501 are relative to other modules, using stelliform connection topology configuration
Routing model, is directly accessed USB/WIFI communication module 502, saves wiring space, and due to other several encoders acquisitions with
Compensating module is distributed in each position of equipment by joint, several capture cards is preferentially connected using bus type topological structure, then
It can then to can connect all capture cards using two differential signal lines inside equipment, and can be with encoder quantity
Difference neatly increases or reduces capture card node unit.Use RS485 bus type topological structure and RS485 star topology
The solution that structure combines, advantage are that wiring, raising stabilization of equipment performance can be saved；Node includes address information, bus host
It can be with random access arbitrary node information；Bus can send broadcast packet, node be got at any time identical
Operation.For portable three-coordinate measuring machine, it is desirable that the necessary stringent synchronization of all encoder datas, therefore can use this
The broadcast packet mode of topological structure, so that in machine cycle, it being capable of real-time synchronization.
Please refer to Figure 13, in portable three-coordinate measuring machine, can also use other bus protocols, such as BISS,
The bus protocols such as SCI, and all encoder acquisitions and compensating module are connected using annular daisy chain topology.In a device
It regard all USB/WIFI modules 502 as bus host, other equipment are as bus slave computer, and by equipment slave head and the tail phase
Even, annular daisy chain structure is formed.Under the topological structure, host tranmitting data register signal and data-signal first is nearest to bus
Slave keystroke handling module on, after keystroke handling module analysis host information, oneself information is loaded in original host
In information, encoder acquisition and the compensating module 501 of the connection of fourth angle encoder 34 are passed to, bus host appoints and so exists at this time
Tranmitting data register signal.And so on, then oneself will be hung over originally to the information that first angle encoder 31 is sent to bus host
The information of body and all nodes before it, and bus host will continue tranmitting data register at this time, allows first angle encoder 31
On information all in incoming USB/WIFI modules 502, complete the transmission of this information.For annular daisy chain topology,
The advantage is that communication speed can raise very high since host can provide clock signal；Each nodal clock is dependent on upper
One nodal clock, and data then can be sent to next node with a upper node data split, therefore clock is by recurrence to master
On machine clock, the data flow that host finally receives can include all node signals again, be also advantageous that in raising communication speed.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment
To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model
It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.
Claims (17)
1. a kind of portable three-coordinate measuring machine characterized by comprising measuring head, processing circuit and sequentially connected six
A rotary joint, the measuring head are connect with a rotary joint；
Each rotary joint is separately provided for detecting its angular encoder for rotating angle, each angular encoder point
It is not electrically connected with the processing circuit, the angle information that all angles encoder detects is converted telecommunications by the processing circuit
Number, and by the electric signal transmission to host equipment, to calculate the opposite digital coordinates of measuring head.
2. portable three-coordinate measuring machine according to claim 1, which is characterized in that further include first connecting rod and
Two connecting rods；
Six rotary joints include the first rotary joint, the second rotary joint, third rotary joint, the 4th rotary joint,
5th rotary joint and the 6th rotary joint；
The both ends of the first connecting rod are connect with second rotary joint and the third rotary joint respectively, and described
The both ends of two connecting rods are connect with the 4th rotary joint and the 5th rotary joint respectively, the 4th rotary joint
It is connect with the third rotary joint, second rotary joint is connect with first rotary joint, and the 5th rotation is closed
Section is connect with the 6th rotary joint, and the measuring head is connect with the 6th rotary joint.
3. portable three-coordinate measuring machine according to claim 2, which is characterized in that second rotary joint includes the
Two angular encoders and the second connector；
One end of the second angle encoder is connect with first rotary joint, the other end of the second angle encoder
It is connect with second connector, second connector is connect with one end of the first connecting rod.
4. portable three-coordinate measuring machine according to claim 3, which is characterized in that the second angle encoder includes
Second housing, the second main shaft and equalizing feature；
The second housing is in ladder tubulose；
Second main shaft includes the outer cylinder and inner tube of coaxial arrangement, the inner bottom wall company of one end of said inner tube and the outer cylinder
It connects；
One end of said inner tube is plugged in the second housing, one end of the second housing be plugged on said inner tube with it is described
In gap between outer cylinder, the equalizing feature is socketed on the lateral wall of said inner tube, and the end of the equalizing feature with
The mutual Elastic Contact in the end of the outer cylinder.
5. portable three-coordinate measuring machine according to claim 4, which is characterized in that the equalizing feature is metal tube,
The slit of the axial screw extension along the metal tube is offered on the side wall of the equalizing feature.
6. portable three-coordinate measuring machine according to claim 5, which is characterized in that described narrow on the equalizing feature
The starting point of seam and destination terminal are respectively arranged with the first stress relief grooves and the second stress relief grooves.
7. portable three-coordinate measuring machine according to claim 4, which is characterized in that it further include a fixed ring, it is described solid
The one end for determining ring is socketed on the lateral wall of the equalizing feature, and the other end of the fixed ring is set in the outside of the outer cylinder
On wall；
One end towards the equalizing feature of the fixed ring offers at least one first limiting slot, the equalizing feature it is outer
At least one first retention bead is provided on side wall, first retention bead is plugged in first limiting slot.
8. portable three-coordinate measuring machine according to claim 2, which is characterized in that the central axes of the first connecting rod
It is mutually perpendicular to the main shaft of second rotary joint, the main shaft of the main shaft of first rotary joint and second rotary joint
Line is mutually perpendicular to；The main shaft of the third rotary joint is overlapped with the central axes of the first connecting rod, the 4th rotary joint
Main shaft is vertical with the main shaft of the central axes of second connecting rod and the third rotary joint respectively, the 5th rotary joint
Main shaft be overlapped with the central axes of second connecting rod, the master of the main shaft of the 5th rotary joint and the 6th rotary joint
Axis is vertical.
9. portable three-coordinate measuring machine according to claim 3, which is characterized in that second connector includes mutual
The first connecting tube and the second connecting tube of connection；
First connecting tube is connect with described first connecting rod one end；Second connecting tube and the second angle encoder
One end connection, the central axes of first connecting tube and the second connecting tube are mutually perpendicular to.
10. portable three-coordinate measuring machine according to claim 2, which is characterized in that it further include electrical module, the electricity
Gas module is coated on the lateral wall of first rotary joint.
11. portable three-coordinate measuring machine according to claim 10, which is characterized in that the electrical module includes cladding
Housing section on the lateral wall of first rotary joint；
Power supply module is provided in the housing section, the processing circuit is set in the housing section, the power supply module with
The processing circuit electrical connection.
12. portable three-coordinate measuring machine according to claim 11, which is characterized in that further include for reminding detection shape
The voice component of state, the voice component are set in the housing section and are electrically connected with the power supply module.
13. portable three-coordinate measuring machine according to claim 1, which is characterized in that further include six temperature sensing
Device, each rotary joint are connect with a temperature sensor respectively；The angular encoder of six rotary joints point
The angle information that itself is detected is not compensated according to the temperature parameter that the correspondence temperature sensor detects.
14. portable three-coordinate measuring machine according to claim 13, which is characterized in that each described angular encoder
On be equipped with period code-disc and decoding reading head, be used to form periodic signal so that processing circuit by the signal of period code-disc turn
Dissolve unique angle position.
15. portable three-coordinate measuring machine according to claim 14, which is characterized in that the processing circuit, the temperature
It spends between sensor and the angular encoder and is combined by RS485 bus type topological structure and RS485 stelliform connection topology configuration
Structure communicated.
16. portable three-coordinate measuring machine according to claim 14, which is characterized in that the processing circuit, the temperature
Annular daisy chain topology is communicated between degree sensor and the angular encoder.
17. portable three-coordinate measuring machine according to claim 2, which is characterized in that first rotary joint, described
Third rotary joint, the 5th rotary joint angular encoder on be mounted on the slip ring of unlimited rotary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721865241.8U CN208419913U (en) | 2017-12-27 | 2017-12-27 | Portable three-coordinate measuring machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721865241.8U CN208419913U (en) | 2017-12-27 | 2017-12-27 | Portable three-coordinate measuring machine |
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|---|---|
| CN208419913U true CN208419913U (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721865241.8U Active CN208419913U (en) | 2017-12-27 | 2017-12-27 | Portable three-coordinate measuring machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225230A (en) * | 2017-12-27 | 2018-06-29 | 广州充圆精密光电仪器有限公司 | Portable three-coordinate measuring machine |
| CN112747666A (en) * | 2020-12-17 | 2021-05-04 | 武昌船舶重工集团有限公司 | Shafting is detection device in school |
-
2017
- 2017-12-27 CN CN201721865241.8U patent/CN208419913U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225230A (en) * | 2017-12-27 | 2018-06-29 | 广州充圆精密光电仪器有限公司 | Portable three-coordinate measuring machine |
| CN108225230B (en) * | 2017-12-27 | 2023-10-20 | 广州充圆精密光电仪器有限公司 | Portable three-coordinate measuring machine |
| CN112747666A (en) * | 2020-12-17 | 2021-05-04 | 武昌船舶重工集团有限公司 | Shafting is detection device in school |
| CN112747666B (en) * | 2020-12-17 | 2022-10-21 | 武昌船舶重工集团有限公司 | Shafting is detection device in school |
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