CN111307591A - HRB500E reinforcing bar elongation after fracture detection device - Google Patents
HRB500E reinforcing bar elongation after fracture detection device Download PDFInfo
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- CN111307591A CN111307591A CN202010205378.0A CN202010205378A CN111307591A CN 111307591 A CN111307591 A CN 111307591A CN 202010205378 A CN202010205378 A CN 202010205378A CN 111307591 A CN111307591 A CN 111307591A
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- steel bar
- fixed
- seat
- detecting
- movable seat
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- 230000003014 reinforcing effect Effects 0.000 title description 10
- 238000001514 detection method Methods 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/062—Special adaptations of indicating or recording means with mechanical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/28—Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0605—Mechanical indicating, recording or sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of steel bar production, in particular to a device for detecting the elongation percentage of a broken steel bar, which solves the defect that the elongation percentage of the broken steel bar needs to be taken down for additional measurement in the prior art. After the yield strength test is completed, the broken steel bars are spliced, the length after stretching can be directly read, the operation is simple and convenient, the laser is directly irradiated in the scale groove, the scale is conveniently read, and the reading is more accurate.
Description
Technical Field
The invention relates to the technical field of steel bar production, in particular to a device for detecting elongation after fracture of a steel bar.
Background
The cross section of the steel for reinforced concrete and prestressed reinforced concrete is circular, and sometimes square with round corners. The HRB500E steel bar is a hot-rolled ribbed IV-grade steel bar specified in the national standard GB1499.2-2018 Hot-rolled ribbed steel bar for reinforced concrete, which is called a four-grade steel bar, and has the yield strength of not less than 500Mpa and the diameter of generally 6-100 mm. When the HRB500E type steel bar is produced and processed, the steel bar needs to be checked, and the yield strength of the steel bar is generally tested by a tensile tester during the check. However, the tensile strength tester can only detect the yield strength generally, and after the steel bar is broken, the steel bar needs to be taken down and spliced to measure the length after being pulled so as to calculate the elongation after being broken, and the operation is troublesome.
Disclosure of Invention
The invention aims to solve the defect that the elongation after fracture of a steel bar needs to be taken off and measured separately in the prior art, and provides a device for detecting the elongation after fracture of the steel bar.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a reinforcing bar percentage of elongation detection device after breaking, includes base, fixing base and sliding seat, be fixed with the support body on the base, the fixing base is fixed on the base, vertical decurrent scuffing of jar is installed at the top of support body, and the lower extreme of scuffing a jar output shaft installs the crane, the crane downside is fixed with force sensor, and the force sensor downside installs the sliding seat that corresponds with the fixing base, sliding fit has the clamp splice on fixing base and the sliding seat respectively, threaded connection has the screw rod on fixing base and the sliding seat respectively, and the inner of screw rod rotates with the clamp splice to be connected, the scale groove has been seted up to the inboard of support body, install level and transmitting terminal on the sliding seat towards the laser pen in scale groove.
Preferably, the two sides of the lifting frame are respectively provided with a guide block, the inner side of the frame body is provided with an L-shaped guide groove, and the guide blocks are in sliding fit in the guide grooves.
Preferably, the fixed seat and the movable seat are both provided with sliding grooves along the length direction, and the clamping blocks are arranged on the clamping blocks and are in sliding fit with the sliding grooves.
Preferably, the inner sides of the fixed seat, the movable seat and the clamping block are all provided with anti-skidding teeth.
Preferably, the axis of the laser pen and the inner wall of the movable seat are at the same height, and the zero scale mark in the scale groove and the inner wall of the fixed seat are at the same height.
Preferably, the outer end of the screw rod is fixed with a knob.
The invention has the beneficial effects that:
1. the invention can splice the broken steel bars after completing the yield strength test, can directly read the length after stretching, does not need to take down the steel bars, and has simple and convenient operation.
2. Laser direct injection that the laser pen sent is inside the scale groove, conveniently reads the scale for the reading is more accurate.
Drawings
Fig. 1 is a schematic structural view of a device for detecting elongation after fracture of a steel bar according to the present invention;
FIG. 2 is a schematic diagram of a cross-sectional top view of a frame body of the device for detecting elongation after fracture of a steel bar according to the present invention;
fig. 3 is a schematic view of a top view of a fixing base of the device for detecting elongation after fracture of a steel bar according to the present invention.
In the figure: the device comprises a base 1, a frame body 2, a fixed seat 3, a cylinder 4, a lifting frame 5, a tension sensor 6, a movable seat 7, a clamping block 8, a screw rod 9, a laser pen 10, a scale groove 11, a sliding block 12, a sliding groove 13, a guide block 14, a guide groove 15 and an anti-slip tooth 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a device for detecting elongation after fracture of a steel bar comprises a base 1, a fixed seat 3 and a movable seat 7, wherein a frame body 2 is fixed on the base 1, the fixed seat 3 is fixed on the base 1, a vertically downward pull cylinder 4 is installed at the top of the frame body 2, a lifting frame 5 is installed at the lower end of an output shaft of the pull cylinder 4, a tension sensor 6 is fixed at the lower side of the lifting frame 5, the movable seat 7 corresponding to the fixed seat 3 is installed at the lower side of the tension sensor 6, clamping blocks 8 are respectively arranged on the fixed seat 3 and the movable seat 7 in a sliding fit manner, screw rods 9 are respectively in threaded connection on the fixed seat 3 and the movable seat 7, a knob is fixed at the outer ends of the screw rods 9, the inner ends of the screw rods 9 are connected with the clamping blocks 8 through bearings, a scale groove 11 is formed in the inner side of the.
Wherein, the both sides of crane 5 are provided with guide block 14 respectively, and guide way 15 has been seted up to the inboard of support body 2, and guide block 14 sliding fit is inside guide way 15.
Wherein, all seted up spout 13 along length direction on fixing base 3 and the sliding seat 7, be provided with sliding fit at the inside clamp splice 8 of spout 13 on the clamp splice 8, the inboard of fixing base 3, sliding seat 7 and clamp splice 8 all is provided with anti-skidding tooth 16.
Specifically, the axis of the laser pen 10 is at the same height as the inner wall of the movable seat 7, and the zero scale mark in the scale groove 11 is at the same height as the inner wall of the fixed seat 3.
When carrying out the yield strength test, one section reinforcing bar of intercepting, insert fixing base 3 with the lower extreme of reinforcing bar in, insert sliding seat 7 with the upper end of reinforcing bar in, the lower extreme of reinforcing bar withstands fixing base 3's inner wall, move down crane 5, the upper end of reinforcing bar withstands sliding seat 7's inner wall, then respectively internal screw 9, screw 9 promotes clamp splice 8 and follows spout 13 inward movement, fix the lower extreme of reinforcing bar in fixing base 3, fix the upper end of reinforcing bar in sliding seat 7, the scale L who reads the laser of laser pen 10 transmission and corresponds in the scale groove 110Then the pulling cylinder 4 drives the lifting frame 5 to move upwards, and the tension sensor 6 transmits tension data to the computer until the steel bar is broken.
And then the cylinder 4 drives the lifting frame 5 to move upwards until the sections of the steel bars are combined, the cylinder 4 is suspended, the scale L1 in the scale groove 11 corresponding to the laser emitted by the laser pen 10 is read, and the elongation after fracture is calculated.
Those not described in detail in this specification are within the skill of the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The device for detecting the elongation of the broken steel bar comprises a base (1), a fixed seat (3) and a movable seat (7), and is characterized in that a frame body (2) is fixed on the base (1), the fixed seat (3) is fixed on the base (1), a vertical downward pull cylinder (4) is installed at the top of the frame body (2), a lifting frame (5) is installed at the lower end of an output shaft of the pull cylinder (4), a tension sensor (6) is fixed at the lower side of the lifting frame (5), the movable seat (7) corresponding to the fixed seat (3) is installed at the lower side of the tension sensor (6), clamping blocks (8) are respectively and slidably matched on the fixed seat (3) and the movable seat (7), a screw rod (9) is respectively connected onto the fixed seat (3) and the movable seat (7) in a threaded manner, the inner end of the screw rod (9) is rotatably connected with the clamping blocks (8), and a scale groove (11) is formed in the inner, the laser pen (10) which is horizontal and the emitting end of which faces the scale groove (11) is arranged on the movable seat (7).
2. The device for detecting the elongation percentage after the breakage of the steel bar as claimed in claim 1, wherein two sides of the lifting frame (5) are respectively provided with a guide block (14), the inner side of the frame body (2) is provided with an L-shaped guide groove (15), and the guide blocks (14) are in sliding fit in the guide grooves (15).
3. The device for detecting the elongation percentage after the breakage of the steel bar according to claim 1, wherein sliding grooves (13) are formed in the fixed seat (3) and the movable seat (7) along the length direction, and the clamping block (8) is provided with a clamping block (8) which is in sliding fit with the sliding grooves (13).
4. The device for detecting the elongation after fracture of the steel bar is characterized in that anti-skidding teeth (16) are arranged on the inner sides of the fixed seat (3), the movable seat (7) and the clamping block (8).
5. The device for detecting the elongation percentage after the breakage of the steel bar as claimed in claim 1, wherein the axis of the laser pen (10) is at the same height as the inner wall of the movable seat (7), and the zero scale mark in the scale groove (11) is at the same height as the inner wall of the fixed seat (3).
6. The device for detecting the elongation percentage after the breakage of the steel bar as claimed in claim 1, wherein a knob is fixed at the outer end of the screw rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205378.0A CN111307591A (en) | 2020-03-21 | 2020-03-21 | HRB500E reinforcing bar elongation after fracture detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205378.0A CN111307591A (en) | 2020-03-21 | 2020-03-21 | HRB500E reinforcing bar elongation after fracture detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111307591A true CN111307591A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010205378.0A Pending CN111307591A (en) | 2020-03-21 | 2020-03-21 | HRB500E reinforcing bar elongation after fracture detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111307591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033806A (en) * | 2020-08-15 | 2020-12-04 | 利辛县欣荣针织服饰有限公司 | Device and method for detecting fiber stretching capacity |
| CN113804542A (en) * | 2021-08-30 | 2021-12-17 | 共享智能装备有限公司 | Turbine tooth tensile test device |
-
2020
- 2020-03-21 CN CN202010205378.0A patent/CN111307591A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033806A (en) * | 2020-08-15 | 2020-12-04 | 利辛县欣荣针织服饰有限公司 | Device and method for detecting fiber stretching capacity |
| CN113804542A (en) * | 2021-08-30 | 2021-12-17 | 共享智能装备有限公司 | Turbine tooth tensile test device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200619 |
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| WD01 | Invention patent application deemed withdrawn after publication |