CN206514821U - A kind of ovality detector - Google Patents
A kind of ovality detector Download PDFInfo
- Publication number
- CN206514821U CN206514821U CN201720207641.3U CN201720207641U CN206514821U CN 206514821 U CN206514821 U CN 206514821U CN 201720207641 U CN201720207641 U CN 201720207641U CN 206514821 U CN206514821 U CN 206514821U
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- Prior art keywords
- expansion link
- controller
- support
- ovality
- card wheel
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Abstract
The utility model is related to a kind of ovality detector, and it includes support, the first expansion link, the second expansion link, laser range sensor and controller；First expansion link and the second expansion link are parallel, and be slidably connected on support, one end of the first expansion link is provided with the first card wheel, and one end of the second expansion link is provided with the second card wheel, first card wheel and the second card wheel are located at the both sides of support respectively, and are adjacent to the lateral wall of steel tube end part；The output end of laser range sensor and the input of controller are connected, and laser range sensor is rotatably connected with support and is located at the inner side of steel pipe, and its rotation axis is vertical with the first expansion link.The ovality detector is simple in construction, easy to use, the ovality of detection steel pipe that can be accurately and fast.
Description
Technical field
The utility model belongs to ovality detection technique field, and in particular to a kind of ovality detector.
Background technology
Petroleum natural gas pipeline has tens kilometers, also has hundreds of thousands of kilometers, so long pipeline is by many steel pipes
Ending is welded, because the shape of the end of each steel pipe differs, therefore, it is necessary to steel pipe end during steel pipe is docked
The ovality in portion is measured, to ensure to dock effect.
In the prior art, the detection method of steel pipe ovality is examined including the use of slide calliper rule, meter ruler or Hand-hold Distance Finder
Survey, but in this several method, detect that the volume of instrument is larger, use is more inconvenient, and poor operability, is such as using slide calliper rule
During detection, the larger slide calliper rule of volume cause DATA REASONING inaccurate due to heavier easy inclination；The measurement accuracy of meter ruler is poor；
Though the precision of Hand-hold Distance Finder can be met, it is only capable of surveying unit data, it is impossible to the whole circle of measurement, it is difficult to find major axis
With the accurate location of short axle.Detection tool detection used in three kinds of detection methods is less efficient, therefore, it is possible to accurately and fast
The ovality for detecting steel pipe is to need breaking techniques problem to one skilled in the art.
Utility model content
The utility model aims to provide a kind of ovality detector, simple in construction, easy to use, can be accurately and fast
Detect the ovality of steel pipe.
To achieve the above object, ovality detector provided by the utility model, including support, the first expansion link,
Two expansion links, laser range sensor and controller；First expansion link is parallel with second expansion link, and slidably
Ground is connected on the support, and one end of first expansion link is provided with the first card wheel, and one end of second expansion link is provided with
Second card wheel, first card wheel and second card wheel are located at the both sides of the support respectively, and are adjacent to the outer of steel tube end part
Side wall；The output end of the laser range sensor is connected with the input of the controller, the laser range sensor with
The support is rotatably connected and is located at the inner side of the steel pipe, and its rotation axis is vertical with first expansion link.
In use, by the ovality detector be aligned steel pipe end, according to the caliber of steel pipe slide the first expansion link and
Second expansion link, the first card wheel and the second card wheel are clamped in the end lateral wall of steel pipe so that the position of the ovality detector
Fixed, then laser range sensor is rotated a circle, that is, detects the distance of circumferential point of itself and steel pipe madial wall, and this is detected
As a result transmit to controller, controller will be calculated the testing result, and analyze girth, the length for drawing steel tube end part
Shaft length and ovality.Wherein, laser range sensor, controller are calculated and laser ranging sensing according to testing result
Connection between device and controller is prior art for those skilled in the art, to save length, is no longer gone to live in the household of one's in-laws on getting married herein
State.
Under using cooperatively by laser distance detector and controller, it is ensured that accuracy of detection, meanwhile, ovality inspection
Simple in construction, the small volume of instrument are surveyed, overall weight is about 5 kilograms or so, is easy to operate and carries.In addition, the ovality is examined
Survey instrument relatively stable in detection process, using easy to adjust, the ovality for the end that can detect a steel pipe in about 10 seconds,
Detection efficiency can be effectively improved.
Preferably, it is equipped with locking member between the support and first expansion link and second expansion link.
Preferably, it is equipped with rubber blanket in first card wheel and second card wheel.
Preferably, in addition to handle, the handle is on the support or the controller.
Preferably, display screen, the output end of the controller and the input of the display screen are additionally provided with the controller
End connection.
Preferably, in addition to stepper motor, rotating shaft and conducting slip ring, the stepper motor is connected with the rotating shaft transmission,
Rotor of the rotating shaft respectively with the laser range sensor, the conducting slip ring be fixedly connected, and the conducting slip ring is determined
Son is fixed on the support and electrically connected with the controller.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.
Fig. 1 is the structural representation of the ovality detector of the utility model embodiment in a state of use；
Fig. 2 is the top view of the ovality detector of the utility model embodiment；
Fig. 3 is the side sectional view of the ovality detector of the utility model embodiment.
In accompanying drawing, mark as follows：
1 support
2 first expansion links
3 second expansion links
4 laser range sensors
5 controllers
6 first card wheels
7 second card wheels
8 locking members
9 handles
10 display screens
11 steel pipes
12 rotating shafts
13 conducting slip rings
131 stators
132 rotors
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
Fig. 1 is the structural representation of the ovality detector of the utility model embodiment in a state of use；Fig. 2 is this reality
With the top view of the ovality detector of new embodiment.As depicted in figs. 1 and 2, the utility model embodiment provides a kind of ellipse
Roundness tester, including support 1, the first expansion link 2, the second expansion link 3, laser range sensor 4 and controller 5；First stretches
Contracting bar 2 is parallel with the second expansion link 3, and is slidably connected on support 1, and one end of the first expansion link 2 is provided with the first card
Wheel 6, one end of the second expansion link 3 is provided with the second card wheel 7, and the first card wheel 6 and the second card wheel 7 are located at the both sides of support 1 respectively, and
It is adjacent to the lateral wall of the end of steel pipe 11；The output end of laser range sensor 4 is connected with the input of controller 5, laser ranging
Sensor 4 is rotatably connected with support 1 and positioned at the inner side of steel pipe 11, and its rotation axis is vertical with the first expansion link 2.
In use, the ovality detector to be aligned to the end of steel pipe 11, slide first according to the caliber of steel pipe 11 and stretch
The expansion link 3 of bar 2 and second, the first card wheel 6 and the second card wheel 7 are clamped in the end lateral wall of steel pipe 11 so that the ovality is examined
The position for surveying instrument is fixed, and then laser range sensor 4 rotates a circle, that is, detect circumferential point of itself and the madial wall of steel pipe 11 away from
From, and the testing result is transmitted to controller 5, controller 5 will be calculated the testing result, and analysis draws steel pipe
Girth, length shaft length and the ovality of 11 ends.Wherein, laser range sensor 4, controller 5 are carried out according to testing result
Calculate and the connection between laser range sensor 4 and controller 5 be prior art for those skilled in the art,
To save length, it will not be repeated here.
Under using cooperatively by laser distance detector and controller 5, it is ensured that accuracy of detection, meanwhile, the ovality
Simple in construction, the small volume of detector, overall weight is about 5 kilograms or so, is easy to operate and carries.In addition, the ovality
Detector is relatively stable in detection process, using easy to adjust, the end that can detect a steel pipe 11 in about 10 seconds it is ellipse
Circularity, can effectively improve detection efficiency.
For the ease of in use, adjusting the first expansion link 2 and the second expansion link 3 according to the caliber of steel pipe 11, making
Obtain the first card wheel 6 and the second card wheel 7 is clamped in after the lateral wall of the end of steel pipe 11, what the ovality detector can be stablized be fixed on
The end of the steel pipe 11, in the present embodiment, locking member is equipped between the expansion link 2 of support 1 and first and the second expansion link 3
8, as depicted in figs. 1 and 2, adjust after the first expansion link 2 and the second expansion link 3, locking the ovality by locking member 8 detects
The position of instrument, it is to avoid the position in detection process of laser range sensor 4 changes, influences accuracy of detection.
In the above-described embodiments, the end lateral wall of the first card wheel 6 and the clamping steel pipe 11 of the second card wheel 7, it is contemplated that first
The card wheel 7 of card wheel 6 and second is rigidly connected with the lateral wall of steel pipe 11, and position is easily slided, and less stable, therefore,
In the present embodiment, rubber blanket is equipped with the first card wheel 6 and the second card wheel 7, the rubber blanket causes the first card wheel 6 and second
Card wheel 7 is more fitted the lateral wall of steel pipe 11, while certain cushioning effect can be played, it is to avoid the first card wheel 6 of damage and the
Two card wheels 7.
In the above-described embodiments, the ovality detector is additionally provided with handle 9, as shown in figure 1, the handle 9 is located at support 1
On, it is easy to carry, while being easy in use, carry out by the portable handle 9 other such as the regulation He of the first expansion link 2
Second expansion link 3, regulation locking device etc. are operated.Certainly, the handle 9 can also be arranged on controller 5.
In the above-described embodiments, after laser range sensor 4 transmits the result of detection to controller 5, the controller 5
It can will calculate, analysis the data obtained is sent to user terminal such as mobile phone or computer, be observed for ease of operation,
In the present embodiment, display screen 10 is provided with controller 5, the input of the display screen 10 is connected with the output end of controller 5, i.e.,
In detection process, controller 5 carries out calculating analysis according to testing result, and directly shows result on the display screen 10, is easy to
Operating personnel observe, and such a setting can simplify overall structure, small volume, be easy to carry.
In the above-described embodiments, can artificial rotary laser distance measuring sensor 4, the ovality to the end of steel pipe 11 examines
Survey, it is contemplated that manually operating complex, ovality detector in the present embodiment also includes stepper motor, rotating shaft 12
With conducting slip ring 13, as shown in figure 3, wherein, stepper motor is connected with rotating shaft 12, rotating shaft 12 is sensed with laser ranging respectively
Device 4, the rotor 132 of conducting slip ring 13 are fixedly connected, and the stator 131 of conducting slip ring 13 is fixed on support 1 and electric with controller 5
Connection.In use, stepper motor drives rotating shaft 12 to rotate, and then laser range sensor 4 is driven to rotate and to the end of steel pipe 11
Ovality detected, be easy to operate, save manpower, efficiency high.Meanwhile, the process rotated in the laser range sensor 4
In, due to the effect of the rotor 132 and stator 131 of conducting slip ring 13 so that its internal structure and connecting line etc. are more regular, have
Situations such as effect avoids winding.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
1. a kind of ovality detector, it is characterised in that including support, the first expansion link, the second expansion link, laser ranging sensing
Device and controller；
First expansion link is parallel with second expansion link, and is slidably connected on the support, and described first
One end of expansion link is provided with the first card wheel, and one end of second expansion link is provided with the second card wheel, first card wheel and described
Second card wheel is located at the both sides of the support respectively, and is adjacent to the lateral wall of steel tube end part；
The output end of the laser range sensor is connected with the input of the controller, the laser range sensor and institute
The inner side that support is rotatably connected and is located at the steel pipe is stated, its rotation axis is vertical with first expansion link.
2. ovality detector according to claim 1, it is characterised in that the support and first expansion link and institute
State and be equipped with locking member between the second expansion link.
3. ovality detector according to claim 1 or 2, it is characterised in that first card wheel and second card
Rubber blanket is equipped with wheel.
4. ovality detector according to claim 1 or 2, it is characterised in that also including handle, the handle is located at institute
State on support or the controller.
5. ovality detector according to claim 1 or 2, it is characterised in that be additionally provided with display screen on the controller,
The output end of the controller is connected with the input of the display screen.
6. ovality detector according to claim 1 or 2, it is characterised in that also including stepper motor, rotating shaft and conduction
Slip ring, the stepper motor is connected with the rotating shaft transmission, the rotating shaft respectively with the laser range sensor, the conduction
The rotor of slip ring is fixedly connected, and the stator of the conducting slip ring is fixed on the support and electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720207641.3U CN206514821U (en) | 2017-03-06 | 2017-03-06 | A kind of ovality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720207641.3U CN206514821U (en) | 2017-03-06 | 2017-03-06 | A kind of ovality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514821U true CN206514821U (en) | 2017-09-22 |
Family
ID=59869615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720207641.3U Active CN206514821U (en) | 2017-03-06 | 2017-03-06 | A kind of ovality detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623696A (en) * | 2019-01-15 | 2019-04-16 | 浙江工业大学之江学院 | Bend pipe ellipticity measurement adjustable-angle positioning mechanism |
-
2017
- 2017-03-06 CN CN201720207641.3U patent/CN206514821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623696A (en) * | 2019-01-15 | 2019-04-16 | 浙江工业大学之江学院 | Bend pipe ellipticity measurement adjustable-angle positioning mechanism |
| CN109623696B (en) * | 2019-01-15 | 2024-02-23 | 浙江工业大学之江学院 | Angle-adjustable positioning mechanism for measuring ellipticity of bent pipe section |
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