CN108955639A - Correcting ruler - Google Patents
Correcting ruler Download PDFInfo
- Publication number
- CN108955639A CN108955639A CN201710347835.8A CN201710347835A CN108955639A CN 108955639 A CN108955639 A CN 108955639A CN 201710347835 A CN201710347835 A CN 201710347835A CN 108955639 A CN108955639 A CN 108955639A
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- Prior art keywords
- ontology
- pipeline
- flange
- correction ruler
- pipelines
- Prior art date
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- 238000012937 correction Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 14
- 238000009826 distribution Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/34—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble of the tubular type, i.e. for indicating the level in one direction only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a correcting ruler, and belongs to the field of pipeline auxiliary equipment. This correction chi includes: body, flange mounting and level detection piece. Wherein, the body is provided with a righting groove used for horizontally placing the pipeline along the axial direction; the flange fixing piece is arranged on the body; the horizontal detection piece is arranged on the body and used for detecting whether the center lines of the flange and the pipeline coincide or not. The body is provided with the righting groove, so that the two pipelines are horizontally placed in the righting groove along the axial direction, the welding openings of the two pipelines are completely attached, and the two pipelines are in a straight state after being welded. Through setting up the level and detecting the piece, be convenient for adjust the angle of flange for the pipeline central line, guaranteed when installing the flange to the tip of pipeline, the central line coincidence of flange and pipeline. Therefore, when two pipelines are welded and flanges are installed at the end parts of the pipelines, the functions can be realized only by using the correcting ruler provided by the embodiment of the invention, and one ruler is multipurpose.
Description
Technical field
The present invention relates to alignment installation and detection tool field, in particular to a kind of correction ruler.
Background technique
In pipeline installation process, be generally connected in a welding manner between two pipelines, in order to avoid two pipelines into
There is mismatch when row welding, the weld bond of two pipelines must be bonded completely, is made after two pipeline weldings in straightened condition.In addition,
In pipeline installation process, flanged joint is generally used between pipeline and valve, in order to guarantee the straightness of subsequent pipeline installation,
It is very necessary for being overlapped the center line of pipeline with the center line of flange.
The prior art is generally compared using ruler or naked eyes when welding to two pipelines, and two are managed
The weld bond of line is bonded, and is made after two pipeline weldings in straightened condition.In addition, the prior art is in the end mounting flange to pipeline
When, it is generally matched by horizontal ruler and square, is overlapped the center line of pipeline with the center line of flange, and then flange is pacified
On pipeline.
The inventor finds that the existing technology has at least the following problems:
The prior art is welded to two pipelines, and to pipeline end mounting flange when, need respectively to use
Different tools.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of correction that can be realized a ruler and be mostly used
Ruler.Specific technical solution is as follows:
A kind of correction ruler, the correction ruler includes: ontology, is provided on the ontology for putting pipeline level along axial direction
The righting trough set；
Flange fixing piece, setting is on the body；
Whether horizontal detection piece, setting on the body, are overlapped for detecting flange with the center line of pipeline.
Specifically, preferably, the ontology is cuboid structure；
The righting trough is axially arranged on the rear wall of the ontology；
The flange fixing piece is arranged on the front side wall of the ontology；
The horizontal detection piece is arranged on the roof of the ontology.
Specifically, preferably, the V-shaped structure of the righting trough.
Specifically, preferably, the flange fixing piece includes: two be vertically set on the front side wall of the ontology
Bolt, and fastening nut compatible with the bolt；
And two bolts are located in same horizontal line.
Specifically, preferably, the body interior is provided with rail cavity along its length, and the front side wall is provided with
The groove being connected to the rail cavity；
The flange fixing piece further include: two pulley assemblies that can be moved along the length direction of the rail cavity；
Two bolts are detachably connected with a pulley assembly respectively after passing through the groove.
Specifically, preferably, the pulley assembly includes: sliding block with cavity, is rotatably arranged in the sky
Intracavitary pulley；
The bolt is detachably connected with the sliding block.
Specifically, preferably, the horizontal detection piece is the air-bubble level of two T-shaped structure distributions.
Specifically, it preferably, the roof of the ontology is provided with mounting plate, is provided on the mounting plate for placing
The T-slot of two air-bubble levels.
Specifically, preferably, the correction ruler further include: angle measurement part is arranged on the bottom wall of the ontology, uses
Angle between two pipelines to be installed of measurement.
Specifically, preferably, the angle measurement part includes: the protractor being fixed on the ontology bottom wall；
Protractor pointer, one end and the center of circle of the protractor are rotatably connected.
Technical solution provided in an embodiment of the present invention has the benefit that
Correction ruler provided in an embodiment of the present invention makes two pipelines along axial horizontal by the way that righting trough is arranged on the body
It is placed in the righting trough, ensure that and be bonded completely at two pipeline weld bonds, and be in straightened condition after welding.Pass through setting
Horizontal detection piece is adjusted convenient for the angle to flange relative to pipe center line, to ensure to install to the end of pipeline
When flange, flange is overlapped with the center line of pipeline.As it can be seen that being welded to two pipelines, and installed to the end of pipeline
When flange, it is only necessary to above-mentioned function can be realized using correction ruler provided in an embodiment of the present invention, it is multi-purpose to realize a ruler.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is correction ruler provided in an embodiment of the present invention, structural schematic diagram when roof is upward；
Fig. 2 is correction ruler provided in an embodiment of the present invention, structural schematic diagram when bottom wall is upward.
Appended drawing reference respectively indicates:
1 ontology,
101 righting troughs,
102 mounting plates,
2 flange fixing pieces,
201 pulley assemblies,
3 horizontal detection pieces,
4 angle measurement parts,
401 protractors,
402 protractor pointers.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention will be made into one below
Step ground detailed description.
The embodiment of the invention provides a kind of correction rulers, and as shown in Figure 1 and Figure 2, which includes: ontology 1, method
Blue fixing piece 2 and horizontal detection piece 3.Wherein, the righting trough 101 for keeping pipeline horizontal positioned along axial direction is provided on ontology 1；
Flange fixing piece 2 is arranged on ontology 1；Horizontal detection piece 3 is arranged on ontology 1, for detecting the center line of flange and pipeline
Whether it is overlapped.
The working principle of correction ruler provided in an embodiment of the present invention is as described below:
When welding to two pipelines, ontology 1 is placed on to the lower section of two pipeline weld bonds, and by two pipeline edges
It axially lies in a horizontal plane in righting trough 101, is bonded the weld bond of two pipelines completely, two pipelines can be welded at this time
It connects.
When to the end mounting flange of pipeline, ontology 1 is fixed in the disk of flange using flange fixing piece 2, and
The flange is detected by horizontal detection piece 3 whether to be overlapped with the center line of pipeline.If be overlapped, directly by flange welding in pipe
On line.If be not overlapped, the angle to flange relative to pipe center line is adjusted, until the center line weight of the two
It closes, and then by flange welding on pipeline.
Based on above-mentioned, by the way that righting trough 101 is arranged on ontology 1, two pipelines is made to lie in a horizontal plane in the righting along axial direction
In slot 101, it ensure that and be bonded completely at two pipeline weld bonds, and be in straightened condition after welding.Pass through the horizontal detection of setting
Part 3 is adjusted convenient for the angle to flange relative to pipe center line, to ensure when to the end mounting flange of pipeline,
Flange is overlapped with the center line of pipeline.As it can be seen that welded to two pipelines, and to pipeline end mounting flange when,
It only needs that above-mentioned function can be realized using correction ruler provided in an embodiment of the present invention, it is multi-purpose to realize a ruler.
Further, in order to state function in realization while, keep ontology 1 easy to carry.Cuboid is set by ontology 1
Shape structure；Righting trough 101 is axially arranged on the rear wall of ontology 1；Flange fixing piece 2 is arranged on the front side wall of ontology 1；
Horizontal detection piece 3 is arranged on the roof of ontology 1.
As an example, the length of ontology 1, which is 350mm-500mm, to be provided that the size of ontology 1, for example, can be with
For 400mm, 450mm etc.；The width of ontology 1 is 50mm-70mm, for example, can be 55mm, 60mm etc.；Ontology 1 with a thickness of
30mm-40mm, for example, can be 35mm, 40mm etc..
In order to guarantee that two pipelines are placed on the stability in righting trough 101, make the V-shaped structure of righting trough 101.Also,
By setting v-shaped structure for righting trough 101, when the pipeline to a variety of different tube diameters welds, righting trough 101 still can
Enough guarantee to be bonded completely at two pipeline weld bonds, and is in straightened condition after welding.It for example, is 10mm by two calibers
Pipeline be placed on when being welded in righting trough 101, the weld bond of two pipelines can be bonded completely；It is 20mm by two calibers
Pipeline be placed on when being welded in righting trough 101, the weld bond of two pipelines can be also bonded completely, only it is above two not
It is different with depth of the pipeline in righting trough 101 of caliber.
Wherein, v-shaped structure refers to that the shape in 101 section of righting trough is V-arrangement.
In embodiments of the present invention, flange fixing piece 2 includes: two bolts being vertically set on the front side wall of ontology 1,
And fastening nut compatible with the bolt, and two bolts are located in same horizontal line.
When ontology 1 to be fixed in the disk of flange, two bolts are each passed through on flange two diametrically
Bolt hole, and be set with fastening nut on two bolts, is tightened in fastening nut in the disk of flange, thus realize flange with
Ontology 1 is fastenedly connected.
By setting above structure for flange fixing piece 2, fixation of the ontology 1 in the disk of flange is realized, after being
Continuous detection flange is laid a good foundation with whether the center line of pipeline is overlapped.
Further, it is provided with rail cavity inside ontology 1 along its length, and front side wall is provided with and is connected to rail cavity
Groove.Flange fixing piece 2 further include: two pulley assemblies 201 that can be moved along the length direction of rail cavity are (referring to 1 He of attached drawing
Attached drawing 2)；Two bolts are detachably connected with a pulley assembly 201 respectively after passing through groove.
When ontology 1 is fixed in the disk of flange, two intracavitary pulley assemblies 201 of sliding rail, and then respectively
It drives bolt thereon to move along the length direction of rail cavity, to adjust the distance between two bolts, makes two bolt difference
Two bolts hole diametrically on flange.At this point, being set with fastening nut on two bolts, and the fastening nut is twisted
Tightly in the disk of flange.
It can ensure that ontology 1 can pass through along the pulley assembly 201 that the length direction of rail cavity moves by being arranged two
Flange fixing piece 2 is fixed on the flange of different sizes, expands the scope of application of correction ruler.Also, by by bolt
It is set as being detachably connected with pulley assembly 201, is conveniently replaceable bolt, when needing ontology 1 being fixed on different sizes
When on flange, it can be ensured that bolt is adapted with the bolt hole on flange.
Further, pulley assembly 201 includes: sliding block with cavity, the pulley being rotatably arranged in cavity, spiral shell
Bolt is detachably connected with sliding block.
It by the way that sliding block is arranged, and is rotatably arranged in pulley in the cavity of sliding block, is guaranteeing that pulley assembly 201 is in-orbit
While road is intracavitary to be moved along its length, the contact area of pulley and rail cavity is reduced, thereby reduces pulley in cunning
Degree of wear when dynamic, plays protective effect to pulley.By be arranged pulley, adjust two screw rods between apart from when more
Add laborsaving, it is only necessary to which lead-screw makes it with the slide over side walls of the in-orbit road chamber of movable pulley.
Wherein, sliding block includes: first baffle, second baffle and the third baffle that end is sequentially vertically connected.Wherein, first
Baffle and third baffle are bonded with the roof of rail cavity and bottom wall respectively, after two bolts pass through the groove being connected to the rail cavity
It is detachably connected with second baffle and (specifically, is provided with internal thread hole compatible with bolt, bolt and on second baffle
Two baffles are threadedly coupled).Pulley has gap between first baffle and third baffle between second baffle, and sliding
The sliding surface of wheel is contacted with the side wall of rail cavity.
For the ease of measuring in pipeline installation process to the length of part pipeline, while correction ruler is better achieved
A ruler it is multi-purpose, be provided with size scale along its length on the front side wall of ontology 1.In use, only need to be by helping on ontology 1
Positive slot 101 lies in a horizontal plane on pipeline to be measured along axial direction and observes the size scale.
Wherein, size scale includes: a plurality of graduation mark being arranged on the front side wall of ontology 1, multiple is labeled in the scale
Dimension data on line.For example, 400mm is set by the length of size scale, and is divided into 40 parts, then every part of packet
10 graduation marks are included, the spacing between every two adjacent graduation marks is 1mm, every 10 graduation marks (i.e. 10mm) in the graduation mark
Top be labeled with a dimension data (such as 1,2,3,4), above-mentioned size scale can be formed at this time.
In embodiments of the present invention, horizontal detection piece 3 is the air-bubble level of two T-shaped structure distributions.
The air-bubble level of two T-shaped structure distributions includes: orthogonal vertical air-bubble level and horizontal bubble
Level meter.When installing two air-bubble levels, as long as can guarantee in vertical air-bubble level and horizontal bubble level meter
Any one air-bubble level is parallel with the front side wall of ontology 1.In addition, vertical air-bubble level and horizontal bubble level meter
Between can contact or do not contact.
After in the disk that ontology 1 is fixed on flange by flange fixing piece 2, hold ontology 1 level with both hands, by the flange on flange
Hole is docked with pipeline interface, by observe two T-shaped structure distributions air-bubble level in bubble whether centering, with detection
Whether flange is overlapped with the center line of pipeline.If be overlapped, directly by flange welding on pipeline.If be not overlapped,
Then the angle to flange relative to pipe center line is adjusted, until the bubble in two air-bubble levels is in centering shape
State then illustrates that flange is overlapped with the center line of pipeline at this time, and then by flange welding on pipeline.
By the way that horizontal detection piece 3 to be arranged to the air-bubble level of two T-shaped structure distributions, two need to be only observed in T
Bubble in shape structure air-bubble level whether centering, can be detected out whether flange is overlapped with the center line of pipeline, not only examine
Survey process very simple, and testing result is more intuitive, accurate.
Wherein, air-bubble level is common for this field, and those skilled in the art can be obtained by commercially available, for example,
It can be the air-bubble level that Jinhua Hong Tai measuring tool Co., Ltd produces and sells.
In order to guarantee stability that two air-bubble levels are placed on ontology 1, the roof of ontology 1 is provided with mounting plate
102 (referring to attached drawings 1), and it is provided on the mounting plate 102 T-slot for placing two air-bubble levels.
Wherein, mounting means of two air-bubble levels in T-slot can there are many, for example, can be by two
Air-bubble level is welded in T-slot, two bubble levels can also be sticked in the T-slot by colloid etc., as long as can
Guarantee connection fastening between the two.
The structure of mounting plate 102 can be to be a variety of, for example, it can be with square structure, cylindrical structure etc..
In embodiments of the present invention, ruler is corrected further include: the bottom of ontology 1 is arranged in angle measurement part 4 (referring to attached drawing 2)
On wall, for measuring the angle between two pipelines to be installed.
In pipeline installation process, it is sometimes desirable to make between two pipelines to be installed that (i.e. two wait pacify there are setting angle
Angle between tubulature line), and in order to guarantee the accuracy of the setting angle, it generally requires using special instrument to two wait pacify
Angle between tubulature line measures.By using the angle measurement part 4 in the embodiment of the present invention, guaranteeing to two wait pacify
While angle between tubulature line carries out precise measurement, the ruler for realizing correction ruler is multi-purpose.
Wherein, which can be set at the both ends of 1 bottom wall of ontology, also can be set in 1 bottom wall of ontology
Portion.
Further, as shown in Fig. 2, angle measurement part 4 includes: protractor 401 and protractor pointer 402.Wherein, it measures
Angle device 401 is fixed on the bottom wall of ontology 1；One end of protractor pointer 402 and the center of circle of protractor 401 are rotatably connected.
When measuring to the angle between two pipelines to be installed, a pipeline is placed on to the righting trough of ontology 1
In 101, and using the pipeline as benchmark pipeline, make the center line of the benchmark pipeline be located at the center line of righting trough 101 just on
Side.At this point, rotating the protractor pointer 402 around the center of circle of protractor 401, default established angle is turned to protractor pointer 402
When spending, the center line of the pipeline to be welded is aligned with protractor pointer 402, and by the nozzle of pipeline to be welded and benchmark pipeline
Nozzle docking, then benchmark pipeline and pipeline to be welded are welded.
By setting protractor 401 and protractor pointer 402, it ensure that and measuring the angle between two pipelines to be installed
When, measurement result is more accurate, is conducive to going on smoothly for subsequent pipeline construction operation.In addition, in order to guarantee protractor 401 with
Protractor 401 can be sticked on ontology 1 by the tightness connected between ontology 1 with colloid.
Wherein, the nozzle of two pipelines to be installed has been arranged to compatible structure in a pre-installation.
In order to guarantee the angle measurement range of protractor 401, semicircular structure can be set by protractor 401.Wherein,
It is peripherally disposed on the semicircular structure to have multiple graduation marks, and every a distance, marked in the top of graduation mark
It is marked with angle-data.The protractor 401 is common for this field, and those skilled in the art can be obtained by commercially available, for example,
It can be the protractor that the super mechanical source producer of Hangzhou outstanding person produces and sells.
In order to more intuitively find out the angle between two pipelines to be installed, guarantee to carry out essence to two pipelines to be installed
Really installation.Set the length of protractor pointer 402 to the 1/3-2/3 of 1 length of ontology, for example, can be 4/9,1/2
Deng.
Have the characteristics that intensity is high, plasticity is high, corrosion resistance is strong based on aluminium alloy, the ontology 1 in the embodiment of the present invention can
Think aluminum alloy material.
The foregoing is merely presently preferred embodiments of the present invention, the protection scope being not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (10)
1. a kind of correction ruler, which is characterized in that the correction ruler includes: ontology (1), is provided on the ontology (1) for edge
The righting trough (101) for axially making pipeline horizontal positioned；
Flange fixing piece (2) is arranged on the ontology (1)；
Whether horizontal detection piece (3) is arranged on the ontology (1), is overlapped for detecting flange with the center line of pipeline.
2. correction ruler according to claim 1, which is characterized in that the ontology (1) is cuboid structure；
The righting trough (101) is axially arranged on the rear wall of the ontology (1)；
The flange fixing piece (2) is arranged on the front side wall of the ontology (1)；
The horizontal detection piece (3) is arranged on the roof of the ontology (1).
3. correction ruler according to claim 2, which is characterized in that the V-shaped structure of the righting trough (101).
4. correction ruler according to claim 2, which is characterized in that the flange fixing piece (2) includes: to be vertically set on institute
State two bolts on the front side wall of ontology (1), and fastening nut compatible with the bolt；
And two bolts are located in same horizontal line.
5. correction ruler according to claim 4, which is characterized in that rail is arranged along its length inside the ontology (1)
Road chamber, and the front side wall is provided with the groove being connected to the rail cavity；
The flange fixing piece (2) further include: two pulley assemblies (201) that can be moved along the length direction of the rail cavity；
Two bolts are detachably connected with a pulley assembly (201) respectively after passing through the groove.
6. correction ruler according to claim 5, which is characterized in that the pulley assembly (201) includes: the cunning with cavity
Block, the pulley being rotatably arranged in the cavity；
The bolt is detachably connected with the sliding block.
7. correction ruler according to claim 2, which is characterized in that the horizontal detection piece (3) is two T-shaped structures point
The air-bubble level of cloth.
8. correction ruler according to claim 7, which is characterized in that the roof of the ontology (1) is provided with mounting plate
(102), the T-slot for placing two air-bubble levels is provided on the mounting plate (102).
9. correction ruler according to claim 2, which is characterized in that the correction ruler further include: angle measurement part (4), if
It sets on the bottom wall of the ontology (1), for measuring the angle between two pipelines to be installed.
10. correction ruler according to claim 9, which is characterized in that the angle measurement part (4) include: be fixed on it is described
Protractor (401) on ontology (1) bottom wall；
Protractor pointer (402), the center of circle of one end and the protractor (401) are rotatably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710347835.8A CN108955639A (en) | 2017-05-17 | 2017-05-17 | Correcting ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710347835.8A CN108955639A (en) | 2017-05-17 | 2017-05-17 | Correcting ruler |
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| Publication Number | Publication Date |
|---|---|
| CN108955639A true CN108955639A (en) | 2018-12-07 |
Family
ID=64461405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710347835.8A Pending CN108955639A (en) | 2017-05-17 | 2017-05-17 | Correcting ruler |
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| CN (1) | CN108955639A (en) |
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| CN206151163U (en) * | 2016-07-15 | 2017-05-10 | 清远市乐友家居用品有限公司 | Two gyro wheel curtain rails of low noise of easily sliding |
| CN206832242U (en) * | 2017-05-17 | 2018-01-02 | 中国石油天然气股份有限公司 | Correcting ruler |
-
2017
- 2017-05-17 CN CN201710347835.8A patent/CN108955639A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335523A (en) * | 1981-01-23 | 1982-06-22 | Bryant Gladys M | Tool for adjustably aligning pipe flanges and structural members |
| CN203464079U (en) * | 2013-09-25 | 2014-03-05 | 重庆天华照明有限公司 | LED track spotlight |
| CN205058126U (en) * | 2015-10-30 | 2016-03-02 | 安徽江淮汽车股份有限公司 | Pipe cutting device |
| CN205764671U (en) * | 2016-05-13 | 2016-12-07 | 国网冀北电力有限公司管理培训中心 | Pipeline welding contra-aperture device |
| CN206151163U (en) * | 2016-07-15 | 2017-05-10 | 清远市乐友家居用品有限公司 | Two gyro wheel curtain rails of low noise of easily sliding |
| CN205967981U (en) * | 2016-08-03 | 2017-02-22 | 河北省安装工程有限公司 | Be used for small -bore tubular product welded frock that is geared to needs of job fast |
| CN206832242U (en) * | 2017-05-17 | 2018-01-02 | 中国石油天然气股份有限公司 | Correcting ruler |
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