CN107976139A - For detecting the instrument of peel rolled straight thread steel bar end quality - Google Patents
For detecting the instrument of peel rolled straight thread steel bar end quality Download PDFInfo
- Publication number
- CN107976139A CN107976139A CN201711462683.2A CN201711462683A CN107976139A CN 107976139 A CN107976139 A CN 107976139A CN 201711462683 A CN201711462683 A CN 201711462683A CN 107976139 A CN107976139 A CN 107976139A
- Authority
- CN
- China
- Prior art keywords
- steel bar
- viewport
- bar end
- qualified
- straight thread
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 238000005259 measurement Methods 0.000 claims abstract description 34
- 238000012797 qualification Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
-
- 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of instrument for being used to detect peel rolled straight thread steel bar end quality, the instrument includes the detection set that can be placed on outside steel bar end, one end of detection set is blind end, one end is openend, blind end is equipped with can be along the depth measurement part of its axially reciprocating, qualified viewport is equipped with vertically on detection set jacket wall, spacing between qualified viewport and detection set blind end is the permitted minimum length of steel bar end straight thread, and the internal diameter for detecting set is equal to the maximum outside diameter of steel bar end defined to be measured.For the present invention by setting depth measurement part in the blind end of detection set, the characteristic that can be moved back and forth by depth measurement part measures the depth of steel bar end indent；By setting qualified viewport on jacket wall, detection set is placed on observation straight thread end portion position on termination, it is qualified in qualified viewport to fall into, otherwise unqualified；Whether detection steel bar end screw thread number that can be simple and direct is qualified, and can quickly finish the detection of steel bar end internal concavity.
Description
Technical field
The invention belongs to steel bar quality detection instrument field, more particularly to one kind to be used to detect peel rolled straight thread reinforcing bar
The instrument of termination quality.
Background technology
It can be used according to reinforcing bar of the existing specification specified diameter more than 16mm at present and mechanically connect (straight screw connection),
Project found a capital substantially using steel concrete supporting, because its is energy saving, section material, stable quality, construction adaptability in existing major part room
The characteristics of strong, is developed rapidly.And the processing of straight thread silk mouth it is up-to-standard whether directly influence the quality of construction quality.
The quality of straight thread production quality is mainly reflected in screw thread quantity and whether the two data of silk head length are qualified, and on-site conventional
The method for controlling straight thread quality is to use straight thread go-no go gauge, and observes the ocular estimate of the whether smooth use of tack, screw thread number
Amount is still that to control silk head length using the method for people's number number be still the method using steel tape in-site measurement.Using ocular estimate
The detection whether smooth no standard of taper thread steel bar end goes to weigh qualified or not, while the result of different people range estimation also very much not phase
Together, without actual reference.Using manually going to count number one by one, screw thread quantity is determined.It is long using tape measure straight thread silk
Degree, determines screw thread quantity.Not only efficiency is low for both approaches, and error is also larger.Spend the time longer and accurate control cannot be reached
The purpose of straight thread quality processed.
Because country's building trade bar connecting sleeve at present, in newest JG/T163-2013 standards, steel is only provided
Muscle mechanically connects sleeve minimum dimension table, and does not provide bar connecting straight screw sleeve internal diameter size, so, each reinforcing bar connects
The screw thread steel go-no go gauge that female connector cylinder manufacturer provides all is corresponding supporting according to oneself producer's thread parameter.In other words
Say, exactly buy which family's reinforcing steel bar connecting sleeve tube just allows manufacturer to provide supporting screw gauge.So examined using go-no go gauge
Surveying thread quality, whether qualification has limitation very much, while time of measuring is long, efficiency is low.
The content of the invention
It is an object of the invention to provide a kind of work for being capable of simple, convenient, accurate completion steel bar end quality testing
Tool.
This instrument for being used to detect peel rolled straight thread steel bar end quality provided by the invention, it includes covering
In the detection set outside steel bar end, the one end for detecting set is blind end, one end is openend, and blind end is equipped with can be along its axial direction
The depth measurement part of reciprocating motion, detection covers is equipped with qualified viewport vertically on jacket wall, between qualified viewport and detection set blind end
Minimum spacing is, to the minimum length required by steel bar end straight thread, the internal diameter for detecting set is equal to steel bar end to be measured in industry
The maximum outside diameter of defined.
In a detailed embodiment, cylinder jacket of the detection set for one end open is made, its blind end, which is equipped with, to be used
In the through hole that the depth measurement part passes through, blind end is externally provided with door type frame, and depth measurement part is connected to the axial direction with detection set on door type frame
Centerline parallel.
Preferably, make the depth measurement part be with graduated round bar, its top is connected by spring with the door type frame,
Bottom is nose cone, and the vertex of nose cone is on the longitudinal center line of the detection set.
In order to improve stability in use, transparent sheath, institute are equipped between the blind end of the door type frame and the detection set
State spring to be located in transparent sheath, one end of spring is affixed with the bottom surface of door type frame, the other end is connected with the depth measurement part.
In a specific embodiment, the door type frame there are two, be criss-cross arranged in cross, the depth measurement part
There are five, one of them is arranged on the longitudinal center line of the detection set, remaining four on center depth measurement part battle array in a ring
Row arrangement, the radius of annular array are less than the internal diameter of steel bar end inner fovea part to be measured.
Preferably, make the qualified viewport be to cover the arc port that circumferencial direction opens up along the detection, arc vertically
Spacing between the inner of mouth and detection set blind end inner surface is equal to the permitted minimum length of steel bar end straight thread, arc
Spacing between the outer end of mouth and detection set blind end inner surface is equal to the permitted maximum length of steel bar end straight thread.
For the ease of observation, unqualified viewport, unqualified viewport and qualified viewport are additionally provided with the detection set side wall
Connect, positioned at the inner of qualified viewport, the arc length of qualified viewport is more than the arc length of unqualified viewport, and it is right on side wall that the detection covers
Answer qualified viewport and be respectively equipped with the different dyed layer of color outside the entity at unqualified viewport position.
In order to further easy to observation, make the arc length of the qualified viewport be more than the arc length of unqualified viewport, the detection
Corresponding qualified viewport is externally provided with the different dyed layer of color with the entity at unqualified viewport position on set side wall.
In a detailed embodiment, it is equipped with the side wall of the detection set and is used to observe steel bar end flatness
Arc shaped opening.
Detection set is placed on steel bar end when the present invention uses, steel bar end outside diameter is unqualified if it cannot be inserted in, set
By being arranged on the depth measurement part of detection set blind end after entering, the characteristic that can be moved back and forth by depth measurement part measures steel bar end
The depth of indent；On the other hand by the qualified viewport set on jacket wall, detection set is placed on termination and observes straight thread end
Stop position, it is qualified in qualified viewport to fall into, on the contrary then unqualified；So as to simple and convenient completion steel bar end screw thread number
Whether qualified detection, and the detection of steel bar end internal concavity can be quickly finished.
Brief description of the drawings
Fig. 1 is the schematic front view of a preferred embodiment of the invention.
Fig. 2 is one use state diagram of this implementation.
Illustrate sequence number：
1-detection set, 11-qualified viewport, 12-unqualified viewport, 13-arc shaped opening, 14-green colored layer, 15-
Red colored layer；
2-door type frame；
3-depth measurement part；
4-spring；
5-transparent sheath；
6-Φ, 22 straight thread reinforced bars.
Embodiment
As shown in Figure 1, this instrument for being used to detect peel rolled straight thread steel bar end quality provided in this embodiment,
It includes detection set 1, door type frame 2 and depth measurement part 3.
Detection set 1 is one end closing, the cylindrical sleeve of one end open, and the internal diameter for detecting set is permitted equal to reinforcing bar maximum outer
Footpath, is placed on steel bar end, steel bar end outside diameter is unqualified if it cannot be inserted in by detection set；On detection set side wall vertically certainly
Openend is inwardly disposed with qualified viewport 11 and unqualified viewport 12, and two viewports are arc port, the arc length of qualified viewport
More than the arc length of unqualified viewport, both form two-stage arc step mouth, interface and inspection of the qualified viewport with unqualified viewport
The spacing surveyed between set blind end inner surface is equal to the permitted minimum length of steel bar end straight thread, the outer end face of qualified viewport
The spacing between blind end inner surface, which is covered, with detection is equal to the permitted maximum length of steel bar end straight thread；So as to fulfill only needing
Detection set is placed on steel bar end, falls to can determine whether straight thread screw thread number closes in which viewport according to straight thread termination
Lattice；Green colored layer 14 is scribbled outside the entity on detection set side wall at corresponding qualified viewport position in actual use, is corresponded to not
Red colored layer 15 is scribbled outside entity at qualified viewport position；In order to more directly can clearly observe the silk of straight thread
Whether button number meets the requirements.And close to being equipped with arc shaped opening 13 in order to observing at closing end position on the side wall of detection set 1
The flatness of steel bar end.Detection 1 blind end of set is externally provided with door type frame 2, and detection 1 blind end end plate of set, which is equipped with, is used for depth measurement part
3 through holes passed through.
Depth measurement part 3 carves graduated round rod piece for outer wall, and the length that round rod piece is extended in detection set is more than reinforcing bar end
The permissible value of head hollow depth maximum.The bottom of depth measurement part is nose cone, and nose cone is extended in detection set, the vertex position of nose cone
In on the longitudinal center line of detection set；Its top is connected in door type frame 2 by spring 4, and spring be externally provided with transparent sheath 5 with
Improve the stability moved during use.In the depth for measuring steel bar end indent, detection set is placed on reinforcing bar end
The blind end of head to detection set is contacted with the peripheral edge portion of steel bar end, at this time in the nose cone vertex of depth measurement part and steel bar end
Recessed central contact, depth measurement part compression spring retracts to stabilization during being somebody's turn to do, and reading depth measurement part, which is located at, after stablizing detects set closing
Reading at end, the thickness of slab which subtracts blind end are the depth of steel bar end indent.
At the same time in order to preferably detect the flatness of steel bar end, door type frame 2 can be arranged to two in cross arrangement
It is a, depth measurement part and its supporting component are designed as five, one of them is arranged on the longitudinal center line of detection set, remaining four
Arranged on center depth measurement part circular array, the radius of annular array is less than the internal diameter of steel bar end inner fovea part to be measured, passes through
The different readings contrast of five depth measurement parts can side obtain the flatness of steel bar end.
As shown in Fig. 2, for detect bolt screw thread number it is whether qualified when, be for detection 22 straight thread reinforced bars 6 of Φ
Example, in actual fabrication, due to the stripping rib a diameter of 20.8 ± 0.2 of 22 straight thread reinforced bars of Φ, so detection set is with full-size
For 21mm as internal diameter, when on-the-spot test, represents that this straight thread reinforced bar shells rib if straight thread reinforced bar can not be inserted in detection instrument
Diameter is unqualified.Industry provides that the standard pitches of 22 straight thread reinforced bars of Φ is 2.5mm, complete screw thread number is 11, standard silk head
Length is 27.5mm, and it is ± 2 that actual field, which allows screw thread quantitative error,.I.e. need to be using 9 screw thread numbers, silk head length 22.5mm as boundary
Delimit the interface of qualified viewport and unqualified viewport.Red area is designated as on the left of 22.5mm error lines, such as straight thread screw thread
In red area, then straight thread reinforced bar is off quality for end, and region is designated as green area between 22.5mm -27.5mm, such as straight
In green area, then straight thread reinforced bar is up-to-standard for screw thread end.It can quickly find out straight thread reinforced bar using this two pieces of regions
Screw thread quantity is qualified or not.And the hollow depth of steel bar end can be measured by the depth measurement part of center axial position, it can also lead to
The contrast for crossing the different depth that five depth measurement parts measure judges the flatness of steel bar end.
It can be seen that detection set is placed on steel bar end by the present invention first when in use, the steel bar end outside diameter if it cannot be inserted in
It is unqualified, latter aspect is inserted in by characteristic that depth measurement part can move back and forth to measure the depth of steel bar end indent, can
Quickly finish the detection of steel bar end internal concavity, and the contrast that depth can be measured by diverse location judges steel bar end
Flatness；On the other hand by setting qualified viewport and unqualified viewport on jacket wall, with simple and convenient completion steel bar end
The whether qualified detection of screw thread number.Accuracy and the convenient degree of detection are greatly improved, improves detection efficiency.
Claims (8)
- A kind of 1. instrument for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that：It includes detection and covers, inspection The one end for surveying set is blind end, one end is openend, and blind end, which is equipped with, to detect set along the depth measurement part of its axially reciprocating Jacket wall is equipped with qualified viewport, and the minimum spacing between qualified viewport and detection set blind end is interior to the straight spiral shell of steel bar end for industry Minimum length required by line, the internal diameter for detecting set are equal to the maximum outside diameter of steel bar end defined to be measured.
- 2. the instrument according to claim 1 for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that： The detection set is the cylinder jacket of one end open, its blind end, which is equipped with, is used for the through hole that the depth measurement part passes through, outside blind end Equipped with door type frame, depth measurement part is connected to the axial centerline parallel with detection set on door type frame.
- 3. the instrument according to claim 2 for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that： The depth measurement part is that its top is connected by spring with the door type frame with graduated round bar, bottom is nose cone, nose cone Vertex positioned at it is described detection set longitudinal center line on.
- 4. the instrument according to claim 3 for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that： Transparent sheath is equipped between the blind end of the door type frame and the detection set, the spring is located in transparent sheath, one end of spring , the other end affixed with the bottom surface of door type frame is connected with the depth measurement part.
- 5. the instrument for being used to detect peel rolled straight thread steel bar end quality according to claim 2 or 4, its feature exist In：The door type frame has two, is criss-cross arranged in cross, and the depth measurement part has five, one of them is arranged at described On the longitudinal center line for detecting set, remaining four are arranged on center depth measurement part circular array, and the radius of annular array is less than The internal diameter of steel bar end inner fovea part to be measured.
- 6. the instrument according to claim 1 for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that： The qualification viewport is the inner and detection set closing that arc port, vertically arc port that circumferencial direction opens up are covered along the detection Spacing between the inner surface of end is equal to the permitted minimum length of steel bar end straight thread, outer end and the detection set closing of arc port Spacing between the inner surface of end is equal to the permitted maximum length of steel bar end straight thread.
- 7. the instrument according to claim 1 for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that： Unqualified viewport is additionally provided with the detection set side wall, unqualified viewport connects with qualification viewport, positioned at the inner of qualified viewport, The arc length of qualified viewport is more than the arc length of unqualified viewport, and qualified viewport and unqualified viewport position are corresponded on the detection set side wall The different dyed layer of color is respectively equipped with outside the entity at the place of putting.
- 8. the instrument according to claim 1 for being used to detect peel rolled straight thread steel bar end quality, it is characterised in that： The side wall of the detection set is equipped with the arc shaped opening for being used for observing steel bar end flatness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462683.2A CN107976139A (en) | 2017-12-28 | 2017-12-28 | For detecting the instrument of peel rolled straight thread steel bar end quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462683.2A CN107976139A (en) | 2017-12-28 | 2017-12-28 | For detecting the instrument of peel rolled straight thread steel bar end quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107976139A true CN107976139A (en) | 2018-05-01 |
Family
ID=62005254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462683.2A Pending CN107976139A (en) | 2017-12-28 | 2017-12-28 | For detecting the instrument of peel rolled straight thread steel bar end quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976139A (en) |
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| CN202032989U (en) * | 2011-04-28 | 2011-11-09 | 江苏标新久保田工业有限公司 | Detection device special for cylindricity |
| CN202372100U (en) * | 2011-12-14 | 2012-08-08 | 中建五局第三建设有限公司 | Straight thread stub length detection tool |
| CN205940428U (en) * | 2016-08-10 | 2017-02-08 | 汉德车桥(株洲)齿轮有限公司 | Utensil is examined to plane degree of differential side gear peripheral milling terminal surface |
| JP2017083276A (en) * | 2015-10-28 | 2017-05-18 | Ｊｆｅ条鋼株式会社 | Measuring tool for measuring interval between threaded reinforcing bars inside coupler, and measuring method using the same |
| CN206347952U (en) * | 2016-12-22 | 2017-07-21 | 江苏常宝普莱森钢管有限公司 | A kind of steel pipe internal-and external diameter synchronously detects instrument |
| CN206756080U (en) * | 2017-04-12 | 2017-12-15 | 四川都江机械有限责任公司 | A kind of novel planar degree detection means |
| CN207570445U (en) * | 2017-12-28 | 2018-07-03 | 中国建筑第五工程局有限公司 | For detecting the tool of peel rolled straight thread steel bar end quality |
-
2017
- 2017-12-28 CN CN201711462683.2A patent/CN107976139A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201104207Y (en) * | 2007-10-25 | 2008-08-20 | 天津钢管集团股份有限公司 | Outer diameter limit gauge for steel pipe end |
| CN101995203A (en) * | 2009-08-10 | 2011-03-30 | 重庆川仪自动化股份有限公司 | Method for measuring rough machining curvature radius of sapphire concave and convex lenses |
| CN202032989U (en) * | 2011-04-28 | 2011-11-09 | 江苏标新久保田工业有限公司 | Detection device special for cylindricity |
| CN202372100U (en) * | 2011-12-14 | 2012-08-08 | 中建五局第三建设有限公司 | Straight thread stub length detection tool |
| JP2017083276A (en) * | 2015-10-28 | 2017-05-18 | Ｊｆｅ条鋼株式会社 | Measuring tool for measuring interval between threaded reinforcing bars inside coupler, and measuring method using the same |
| CN205940428U (en) * | 2016-08-10 | 2017-02-08 | 汉德车桥(株洲)齿轮有限公司 | Utensil is examined to plane degree of differential side gear peripheral milling terminal surface |
| CN206347952U (en) * | 2016-12-22 | 2017-07-21 | 江苏常宝普莱森钢管有限公司 | A kind of steel pipe internal-and external diameter synchronously detects instrument |
| CN206756080U (en) * | 2017-04-12 | 2017-12-15 | 四川都江机械有限责任公司 | A kind of novel planar degree detection means |
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