CN208350027U - A kind of measuring device that more specification pipe outside diameters can be achieved - Google Patents
A kind of measuring device that more specification pipe outside diameters can be achieved Download PDFInfo
- Publication number
- CN208350027U CN208350027U CN201821026694.6U CN201821026694U CN208350027U CN 208350027 U CN208350027 U CN 208350027U CN 201821026694 U CN201821026694 U CN 201821026694U CN 208350027 U CN208350027 U CN 208350027U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- measurement system
- measuring device
- laser scanning
- rectangular frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of measuring devices that more specification pipe outside diameters can be achieved, it includes rectangular frame, a linear guide is respectively equipped on two longitudinal carriers of rectangular frame, a linear guide is equipped with grating scale wherein, on the inner cavity of rectangular frame, lower part is respectively equipped with a laser scanning measurement system, the laser scanning measurement system includes scanning cabinet, connection framework and reception cabinet, the scanning cabinet and reception cabinet are separately fixed at the both ends of connection framework and in same levels, and scanning cabinet and reception cabinet are fixedly connected with the sliding block in corresponding side linear guide respectively, laser is equipped in the scanning cabinet, rotating prism and f-theta lens, condenser and photelectric receiver are equipped in the receiving magazine body, and f-theta lens and condenser be in same straight line and relatively Setting；The measuring device further includes the lifting regulating mechanism for the lifting of upper laser scanning measurement system simultaneously.
Description
Technical field
The utility model is to be related to a kind of measuring device that more specification pipe outside diameters can be achieved, and belongs to industrial measurement technique neck
Domain.
Background technique
With the development that city makes rapid progress, the pipe networks such as the municipal plumbing, heat supply, combustion gas of urban public utilities are served
Construction it is particularly important, and in the work progress of city planting ductwork engineering, the effect of large outside diameter pipe part is self-evident.Due to
Pipe fitting is influenced by reasons such as raw material and manufacturing process in process of production, and the unqualified phenomenon of pipe outside diameter is inevitable, sternly
The even batch of weight is unqualified, it will subsequent applications is influenced, so that massive losses are brought to manufacturing enterprise, therefore, outside pipe fitting
Diameter detection is particularly important.
And be mainly in the prior art following two about the measuring technique of pipe outside diameter: one is manual measurement technologies, though
So this kind of technology has easy to operate, the simple advantage of equipment, but there are human factor error, measurement accuracy and low efficiencys, and
And it can not achieve the disadvantages of scene online 100% is detected；For second laser scanning measurement technology, schematic diagram as shown in Figure 1,
Specific measuring principle is as follows: the light beam that laser A1 is issued is irradiated to be driven on multiple surface rotating mirror A6 by the uniform velocity synchronous motor, through anti-
It penetrates rotation and forms scanning fan A7, scanning fan A7 is transformed to scanning strip A8 by f-theta lens A2, and workpiece A3 is placed on scanning strip
In A8, the scanning strip A8 being at least partially obscured is focused on photelectric receiver A5 by biconvex lens A4, is formd and is corresponded to scanning
Band A8 irradiates and is blocked generated low and high level signal.Motor due to driving tilting mirror rotation is uniform rotation,
Scanning fan A7 is carried out caused by constant angular velocity rotation centered on multiple surface rotating mirror incidence point as laser beam.F-theta lens
Scanning strip A8 is transformed to the scanning strip A8 of the scanning of constant level from top to bottom, if it is known that the scanning speed of scanning strip A8 and
It measures workpiece to block the time, the two, which is multiplied, can know the outer diameter of workpiece A3.Due to its crucial optical component-scanning
Lens generally use flat field scanning lens, i.e. f-theta lens A2, and the cost of manufacture of heavy caliber f-theta lens is very high, because
It, will according to the measuring instrument of heavy caliber f-theta lens when this is used to measure the pipe fitting with heavy caliber (100mm or more)
There is a problem of expensive, it is important to be influenced by the prior art, the Lens of f-theta lens single at present are also not
It is able to achieve 1 meter or more of outside diameter measuring；And the outer diameter currently used for the insulating tube in municipal Heat Supply Engineering is up to 2 meters, at present only
It can be using manually having an acupuncture treatment on insulating layer come walk through test insulation layer thickness to obtain entire outer diameter value, and this measurement method
Not the problems such as that there is only measurement accuracy is poor, low efficiency, and be easy to damage to insulating layer and lead to security risk.
In addition, outer diameter specification is wanted there are many pipe fitting manufacturing enterprise pipe fitting affirmatives produced with meeting different applications
It asks, if can be adjusted according to outer diameter specification, realizes that a device can meet the pipe fitting measurement request of a variety of outer diameter specifications, it will
For pipe fitting manufacturing enterprise, there is important value, but the report of so far there are no the relevant technologies and product.
Utility model content
In view of the above-mentioned problems existing in the prior art and demand, the purpose of the utility model is to provide one kind can not only realize
The pipe outside diameter of plurality of specifications measures, and is able to achieve the measuring device that outer diameter is measured up to 2 meters of super large pipe outside diameter.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of measuring device that more specification pipe outside diameters can be achieved, including rectangular frame are constituting the two of the rectangular frame
A linear guide is respectively equipped on the medial surface of longitudinal carrier, and one of them linear guide is equipped with grating scale；With
And it is equipped with upper laser scanning measurement system on the inner cavity top of rectangular frame, lower laser is equipped in the inner cavity lower part of rectangular frame
Scanning measurement system, the upper laser scanning measurement system and lower laser scanning measurement system include scanning cabinet, connection frame
Frame and reception cabinet, the scanning cabinet and reception cabinet are separately fixed at the both ends of connection framework and in same levels
On, and the scanning cabinet and reception cabinet are fixedly connected with the sliding block in corresponding side linear guide respectively；The scanning cabinet
It is interior to be equipped with laser, rotating prism and f-theta lens, condenser and photelectric receiver, and f- are equipped in the receiving magazine body
Theta lens are in same straight line with condenser and are oppositely arranged；It further include simultaneously for adjusting upper laser scanning measurement system
The lifting regulating mechanism of lifting.
A kind of embodiment, the lifting regulating mechanism are made of wirerope A, adjusting rocking handle and multiple pulley part A, institute
The one end for stating wirerope A is fixedly connected with rocking handle is adjusted, the upper laser scanning measurement system of the other end and composition of the wirerope A
Scanning cabinet and receive cabinet be respectively fixedly connected with.
Further embodiment, the rocking handle that adjusts are fixedly connected on the outer of the longitudinal carrier for constituting the rectangular frame
On side, the multiple pulley part A is installed on the top surface of rectangular frame.
A kind of preferred embodiment further includes the balance mechanism for balancing upper laser scanning measurement system.
Further embodiment, the balance mechanism are made of wirerope B, counterweight and multiple pulley part B, the steel
One end of cord B is fixedly connected with counterweight, the other end of wirerope B and the connection framework for constituting upper laser scanning measurement system
It is fixedly connected.
The lateral surface for constituting another longitudinal carrier of the rectangular frame is arranged in further embodiment, the counterweight
On, the multiple pulley part B is installed on the top surface of rectangular frame.
A kind of preferred embodiment is installed with multiple fixed blocks in the side of the rectangular frame, at the bottom of the rectangular frame
Portion is installed with multiple fixing seats.
A kind of embodiment is equipped with display, the light in the connection framework for constituting upper laser scanning measurement system
Grid ruler is connect with the monitor signal.
A kind of embodiment is equipped with operation panel in the connection framework of laser scanning measurement system under composition, described
Operation panel is connect with central processing unit signal.
A kind of embodiment, the central processing unit are connect with photelectric receiver signal.
Compared with prior art, the utility model has the following beneficial effects:
The utility model is by being arranged upper and lower laser scanning measurement system, by two independent laser scanning measurement systems
The upper and lower edge of testee is measured respectively, and by the spacing between the upper and lower laser scanning measurement system of optical grating ruler measurement, from
And the outer diameter value of tested pipe fitting is calculated, since the laser scanning measurement technology used is non-contact measurement, to pipe
Part product does not cause to damage, and easy to operate；It is crucial that the utility model by the measurement of pipe outside diameter be decomposed into wall thickness, under
The measurement of three parts of wall thickness and lumen diameter, and upper and lower wall thickness is to be obtained respectively by a f-theta lens scan, in lumen
Diameter is obtained by optical grating ruler measurement, since unilateral wall thickness is in the accounting very little of pipe outside diameter, to the f- for wall thickness measuring
The size of theta lens requires to substantially reduce, and natural cost is significantly reduced, and the still available guarantee of precision measured；
In addition, the spacing between the upper and lower laser scanning measurement system as described in the utility model is adjustable, can not only fit
Close the measurement of the pipe outside diameter of plurality of specifications, and can meet super large outer diameter pipe fitting (such as: outer diameter up to 2 meters of insulating tube) it is outer
Diameter detection has conspicuousness progress and very strong industrial utility model value.
Detailed description of the invention
Fig. 1 is the measuring principle figure that technology is calibrated in existing laser scanning described in background technology；
Fig. 2 is a kind of structural representation of measuring device that more specification pipe outside diameters can be achieved provided by the embodiment of the utility model
Figure；
Fig. 3 is the measuring principle figure of upper and lower laser scanning measurement system described in the utility model embodiment.
Fig. 4 is the structural schematic diagram of measuring device described in the utility model embodiment when in use.
Specific embodiment
The technical solution of the utility model is described in further detail with attached drawing with reference to embodiments.
Embodiment
Incorporated by reference to shown in Fig. 2 and Fig. 3: a kind of measuring device that more specification pipe outside diameters can be achieved provided by the utility model,
Including rectangular frame 1, a straight line is respectively equipped on the medial surface of two longitudinal carrier 11a, 11b for constituting the rectangular frame 1
Guide rail 2a, 2b, and one of them linear guide 2a is equipped with grating scale 3；And on the inner cavity top of rectangular frame 1
Equipped with upper laser scanning measurement system 4a, be equipped with lower laser scanning measurement system 4b in the inner cavity lower part of rectangular frame 1, it is described on
Laser scanning measurement system 4a and lower laser scanning measurement system 4b includes scanning cabinet 41a/41b, connection framework 42a/42b
Connection framework 42a/ is separately fixed at cabinet 43a/43b, the scanning cabinet 41a/41b and reception cabinet 43a/43b is received
The both ends of 42b and in the same level, and the scanning cabinet 41a/41b and reception cabinet 43a/43b are respectively and accordingly
Sliding block 21 in the linear guide of side is fixedly connected；Laser 411a/411b, rotation rib are equipped in the scanning cabinet 41a/41b
Be equipped in mirror 412a/412b and f-theta lens 413a/413b, the reception cabinet 43a/43b condenser 431a/431b and
Photelectric receiver 432a/432b, and f-theta lens 413a/413b and condenser 431a/431b be in same straight line and relatively
Setting；It simultaneously further include the lifting regulating mechanism 5 for adjusting upper laser scanning measurement system 4a lifting.
In the present embodiment:
The lifting regulating mechanism 5 is made of wirerope A 51, adjusting rocking handle 52 and multiple pulley part A 53, the steel
One end of cord A 51 is fixedly connected with rocking handle 52 is adjusted, the upper laser scanning measurement of the other end and composition of the wirerope A 51
The scanning cabinet 41a and reception cabinet 43a of system 4a is respectively fixedly connected with.The adjusting rocking handle 52 is fixedly connected on described in composition
On the lateral surface of one longitudinal carrier 11b of rectangular frame 1, the multiple pulley part A 53 is installed in the top surface 12 of rectangular frame 1
On.By adjusting the tightening of rocking handle 52 or loosening wirerope A 51, so as to drive upper laser scanning measurement system 4a rising or
Decline, and then the spacing between upper and lower laser scanning measurement system 4a and 4b is adjusted, to meet the measurement request of different tube diameters.
It further include for balancing to guarantee levelness of the upper laser scanning measurement system 4a after each lift adjustment
The balance mechanism 6 of laser scanning measurement system 4a, the balance mechanism 6 are by wirerope B 61, counterweight 62 and multiple pulleys
Part B 63 is constituted, and one end of the wirerope B 61 is fixedly connected with counterweight 62, on the other end and composition of wirerope B 61
The connection framework 42a of laser scanning measurement system 4a is fixedly connected, and the counterweight 62, which is arranged in, constitutes the rectangular frame 1
On the lateral surface of another longitudinal carrier 11a, the multiple pulley part B 63 is also installed on the top surface 12 of rectangular frame 1.
In order to enhance the stability of entire measuring device, multiple fixed blocks 13 are installed in the side of the rectangular frame 1,
Multiple fixing seats 14 are installed in the bottom of the rectangular frame 1.
In order to which that intuitively reads grating scale 3 calibrates data, in the connection framework 42a for constituting upper laser scanning measurement system 4a
On display 7 is installed, the grating scale 3 is connect with 7 signal of display, and it is real thus to pass through the display 7
When accurately read distance values between upper and lower laser scanning measurement system 4a and 4b measured by grating scale 3.
In addition, operation panel 8, the behaviour are equipped on the connection framework 42b of laser scanning measurement system 4b under composition
Make panel 8 to connect with central processing unit (not shown) signal, the central processing unit and photelectric receiver 432a, 432b are equal
Signal connection, the central processing unit calibrate information by obtain photelectric receiver 432a, 432b and grating scale 3, can be by
Preset outer diameter calculation formula carries out outer diameter calculating.
Fig. 3 shows the measuring principle of upper and lower laser scanning measurement system described in the utility model embodiment, by Fig. 3
It can be seen that: the light beam that laser 411a is issued is irradiated on the rotating prism 412a driven by the uniform velocity synchronous motor, through rotating prism
The light beam of 412a reflection becomes collimated light beam 414a after f-theta lens 413a, and collimated light beam 414a converges through condenser 431a
Gather on photelectric receiver 432a, on the focal plane of the upper lateral part merging f-theta lens 413a of tested pipe fitting 9, part light
Line will be blocked and generate shade, so that the received level signal of photelectric receiver 432a institute be made to change；Similarly, laser
The light beam that 411b is issued is irradiated on the rotating prism 412b driven by the uniform velocity synchronous motor, the light reflected through rotating prism 412b
Beam becomes collimated light beam 414b after f-theta lens 413b, and collimated light beam 414b converges in opto-electronic receiver through condenser 431b
On device 432b, on the focal plane of the following side of tested pipe fitting 9 merging f-theta lens 413b, some light will be blocked and
Shade is generated, so that the received level signal of photelectric receiver 432b institute be made to change；Central processing unit is by obtaining photoelectricity
The level signal that receiver 432a and 432b are inputted, by the wall thickness demarcated in advance with the Standard fittings of known caliber with
Relation curve between level signal can respectively obtain upside wall thickness a value and downside wall thickness b value, and central processing unit passes through light
Lumen diameter c value can be obtained in the information of calibrating of grid ruler 3, so that the outer of tested pipe fitting can be calculated by formula L=a+b+c
Diameter value L.
As shown in figure 4, measuring device described in the utility model is when in use, first it is located at the lower edge 92 of tested pipe fitting 9
On the center line 10b of the collimated laser beam of lower laser scanning measurement system 4b, then fixed tested pipe fitting 9, recycles rising-falling tone
The upper edge 91 that section mechanism 5 adjusts lifting to the tested pipe fitting 9 of upper laser scanning measurement system 4a is placed exactly in upper laser scanning
On the center line 10a of the collimated laser beam of measuring system 4a, balance mechanism 6 is recycled to carry out upper laser scanning measurement system 4a
Levelness is adjusted, then is read about the value of lumen diameter measured by grating scale 3 as display 7 and be defeated by by operation panel 8
Central processing unit, then starts the scanning survey of upper laser scanning measurement system 4a and lower laser scanning measurement system 4b, and divides
Received level signal is not defeated by central processing unit by photelectric receiver 432a and 432b (this is not shown in the figure), thus
The outer diameter value L of tested pipe fitting can be calculated according to calculation formula L=a+b+c by central processing unit.
Visible in summary: the utility model not only can carry out noninvasive measurement to tube outer diameter, but also easy to operate, at
This is low, and measurement accuracy is high, can especially be suitble to the measurement of the pipe outside diameter of plurality of specifications, and can meet the pipe fitting (example of super large outer diameter
Such as: outer diameter is up to 2 meters of insulating tube) outer diameter detection, there is conspicuousness progress and very strong industrial utility model value.
It is last it is necessarily pointed out that: the foregoing is merely the preferable specific embodiments of the utility model, but this
The protection scope of utility model is not limited thereto, and anyone skilled in the art discloses in the utility model
In technical scope, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.
Claims (10)
1. a kind of measuring device that more specification pipe outside diameters can be achieved, it is characterised in that: including rectangular frame, constituting the rectangle
A linear guide is respectively equipped on the medial surface of two longitudinal carriers of frame, and one of them linear guide is equipped with light
Grid ruler；And it is equipped with upper laser scanning measurement system on the inner cavity top of rectangular frame, it is equipped in the inner cavity lower part of rectangular frame
Lower laser scanning measurement system, the upper laser scanning measurement system and lower laser scanning measurement system include scanning cabinet,
Connection framework and reception cabinet, the scanning cabinet and reception cabinet are separately fixed at the both ends of connection framework and in same water
In plane, and the scanning cabinet and reception cabinet are fixedly connected with the sliding block in corresponding side linear guide respectively；The scanning
It is equipped with laser, rotating prism and f-theta lens in cabinet, is equipped with condenser and photelectric receiver in the receiving magazine body,
And f-theta lens are in same straight line with condenser and are oppositely arranged；It further include simultaneously for adjusting upper laser scanning measurement
The lifting regulating mechanism of system lifting.
2. measuring device according to claim 1, it is characterised in that: the lifting regulating mechanism is by wirerope A, adjusts
Rocking handle and multiple pulley part A are constituted, and one end of the wirerope A is fixedly connected with rocking handle is adjusted, the other end of the wirerope A
It is respectively fixedly connected with the scanning cabinet and reception cabinet for constituting upper laser scanning measurement system.
3. measuring device according to claim 2, it is characterised in that: the adjusting rocking handle is fixedly connected on composition rectangle frame
On the lateral surface of one longitudinal carrier of frame, the multiple pulley part A is installed on the top surface of rectangular frame.
4. measuring device according to any one of claim 1 to 3, it is characterised in that: the measuring device further includes using
In the balance mechanism for balancing upper laser scanning measurement system.
5. measuring device according to claim 4, it is characterised in that: the balance mechanism be by wirerope B, counterweight and
Multiple pulley part B are constituted, and one end of the wirerope B is fixedly connected with counterweight, the upper laser of the other end and composition of wirerope B
The connection framework of scanning measurement system is fixedly connected.
6. measuring device according to claim 5, it is characterised in that: the counterweight, which is arranged in, constitutes the another of rectangular frame
On the lateral surface of one longitudinal carrier, the multiple pulley part B is installed on the top surface of rectangular frame.
7. measuring device according to claim 1, it is characterised in that: be installed in the side of the rectangular frame multiple solid
Determine block, is installed with multiple fixing seats in the bottom of the rectangular frame.
8. measuring device according to claim 1, it is characterised in that: in the connection frame for constituting upper laser scanning measurement system
Display is installed, the grating scale is connect with the monitor signal on frame.
9. measuring device according to claim 1, it is characterised in that: the connection frame of laser scanning measurement system under composition
Operation panel is installed, the operation panel is connect with central processing unit signal on frame.
10. measuring device according to claim 9, it is characterised in that: the central processing unit and photelectric receiver signal
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026694.6U CN208350027U (en) | 2018-06-29 | 2018-06-29 | A kind of measuring device that more specification pipe outside diameters can be achieved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026694.6U CN208350027U (en) | 2018-06-29 | 2018-06-29 | A kind of measuring device that more specification pipe outside diameters can be achieved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208350027U true CN208350027U (en) | 2019-01-08 |
Family
ID=64881372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821026694.6U Active CN208350027U (en) | 2018-06-29 | 2018-06-29 | A kind of measuring device that more specification pipe outside diameters can be achieved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208350027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627109A (en) * | 2018-06-29 | 2018-10-09 | 上海共久电气有限公司 | A kind of measuring device that more specification pipe outside diameters can be achieved |
-
2018
- 2018-06-29 CN CN201821026694.6U patent/CN208350027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627109A (en) * | 2018-06-29 | 2018-10-09 | 上海共久电气有限公司 | A kind of measuring device that more specification pipe outside diameters can be achieved |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103424088B (en) | A kind of chamfering measuring instrument | |
| US8564765B2 (en) | Optical measurement system | |
| CN108627109A (en) | A kind of measuring device that more specification pipe outside diameters can be achieved | |
| CN204329941U (en) | The measurement mechanism of machine tool guideway linearity | |
| CN209356166U (en) | A kind of beam divergence angle measuring device of laser | |
| CN103673906B (en) | Laser scanning caliper and the method measuring workpiece external diameter | |
| CN110411479B (en) | Digital calibration system of laser plumb aligner and application | |
| CN114808575B (en) | Track smoothness detection system and method based on scanning laser | |
| CN208350027U (en) | A kind of measuring device that more specification pipe outside diameters can be achieved | |
| CN205506004U (en) | Portable plane degree laser detector | |
| CN104229633A (en) | Method for detecting bridge crane runway and wheel group by using laser distance measuring instrument | |
| CN109000797A (en) | A kind of radium-shine cigarette-brand chromatism measurement method | |
| CN107436131A (en) | The measurement of planeness system and its measuring method of a kind of laser alignment equipment | |
| CN111750801A (en) | Offline non-contact steel plate type evaluation method and measurement platform | |
| RU2007105502A (en) | METHOD FOR MEASURING BENDING OF THE GLASS PANEL | |
| CN107845317A (en) | A kind of experimental method of the single channel photo-beat phase method measurement light velocity | |
| CN108801463A (en) | A kind of radium-shine cigarette-brand color difference measuring device | |
| CN205352314U (en) | Novel laser range finder detects device | |
| CN103940378A (en) | Laser flatness measuring instrument with nine laser transmitters | |
| CN109211192A (en) | A kind of architectural engineering automatic testing method based on Internet of Things transmission | |
| CN110361067A (en) | A kind of level gauging device | |
| CN210773910U (en) | Defect position measuring instrument for transformer substation | |
| KR20130091390A (en) | Goniometer of planar lightguide circuit | |
| CN212190663U (en) | Device for detecting plate-shaped defects of thin strip materials on line | |
| CN107283080A (en) | It is a kind of to laser machine focal length and the measurement caliberating device of incidence angle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |