CN111781071A - Bending test device of reinforcing bar - Google Patents
Bending test device of reinforcing bar Download PDFInfo
- Publication number
- CN111781071A CN111781071A CN202010835400.XA CN202010835400A CN111781071A CN 111781071 A CN111781071 A CN 111781071A CN 202010835400 A CN202010835400 A CN 202010835400A CN 111781071 A CN111781071 A CN 111781071A
- Authority
- CN
- China
- Prior art keywords
- steel bar
- group
- sensitive elements
- reinforcing bar
- supporting
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 30
- 238000005452 bending Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- 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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending 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
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0023—Bending
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Landscapes
- 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 discloses a bending test device for a steel bar, which relates to the field of bending test equipment and comprises a machine body, wherein a guide rail is arranged on the upper surface of a workbench at the upper end of the machine body, a pair of supporting seats which are connected on the guide rail in a sliding way are respectively provided with a steel bar supporting roller, the upper surface of a top seat which is connected with the workbench through a supporting column is provided with a main hydraulic cylinder, and the bottom of a top head mounting seat connected with the lower end of a telescopic rod of the main hydraulic cylinder is connected with a top head. According to the invention, the ejector head is adjusted on the ejector head mounting seat in a sliding manner, after the corresponding hammer head is selected, the bottom end of the limiting pin is properly inserted into the limiting hole, the ejector head is limited, and the selection and the replacement of the hammer head are rapid and convenient; because the reinforcing bar diameter variation of test, the reinforcing bar standing groove is also different with the suitable notch size that matches, and the reinforcing bar backing roll both ends are equipped with the round pin axle card and establish in the draw-in groove that the side extension board was seted up, conveniently carry out quick replacement to the reinforcing bar backing roll.
Description
Technical Field
The invention relates to the field of bending test equipment, in particular to a bending test device for a steel bar.
Background
When the steel bar is used in the field, a test piece needs to be extracted for mechanical property inspection, and the quality of the steel bar must meet the relevant standard. The steel bar bending test machine is the professional equipment who carries out the cold bending test and the reverse bending test in plane to the reinforcing bar, and steel bar bending test machine is carrying out the cold bending test in-process, comes to test the reinforcing bar and detects in order to guarantee to obtain more multiunit test data, through can changing the tup of different diameters size, carries out the roof pressure bending to the reinforcing bar, and it is comparatively inconvenient to frequently change the tup, and the installation and the fixed course of tup are comparatively troublesome.
Disclosure of Invention
The invention aims to provide a bending test device for a reinforcing steel bar, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a bending test device for a reinforcing steel bar comprises a machine body, wherein the upper end of the machine body is provided with a workbench, the upper surface of the workbench is provided with a guide rail, the guide rail is connected with a pair of supporting seats in a sliding way, reinforcing steel bar supporting rollers are arranged on the supporting seats, two ends of the guide rail are respectively provided with a hydraulic cylinder support, and the outer side walls of the hydraulic cylinder supports at the two sides are both fixed with distance-adjusting hydraulic cylinders through bolts, telescopic rods of the distance-adjusting hydraulic cylinders penetrate through the hydraulic cylinder supports, the end parts of the telescopic rods of the two distance-adjusting hydraulic cylinders are respectively and fixedly connected with the two supporting seats, four corners of the upper surface of the workbench are fixedly connected with a top seat through supporting columns, a main hydraulic cylinder is fixed on the upper surface of the top seat through bolts, the telescopic rod part of the main hydraulic cylinder vertically penetrates through the top seat downwards, and the end part of the telescopic rod of the main hydraulic cylinder is connected with a pressure sensor, the lower end of the pressure sensor is fixedly connected with a top mounting seat, and the bottom of the top mounting seat is connected with a top.
Preferably, the two sides of the supporting seat are integrally formed with side supporting plates, the side supporting plates are provided with U-shaped clamping grooves, and two ends of the reinforcing steel bar supporting roller are provided with pin shafts which are clamped in the clamping grooves formed in the side supporting plates.
Preferably, the middle part of the reinforcing steel bar supporting roller is provided with a reinforcing steel bar placing groove in the shape of an annular groove, and the groove surface of the reinforcing steel bar placing groove is provided with anti-skidding friction grains.
Preferably, the pressure sensor is internally provided with three groups of pressure sensitive elements, each group of pressure sensitive elements are distributed in a three-dimensional space, the first group of pressure sensitive elements and the second group of pressure sensitive elements are distributed in a plane parallel to the upper surface of the workbench, and the third group of pressure sensitive elements is vertical to the upper surface of the workbench; the sensing direction of the first group of sensing elements is parallel to the axial direction of the tested steel bar, the sensing direction of the second group of sensing elements is perpendicular to the axial direction of the tested steel bar, the clamping grooves on the two sides of the side supporting plate are respectively provided with a fourth group of sensing elements and a fifth group of sensing elements, and the sensing directions of the fourth group of sensing elements and the fifth group of sensing elements are perpendicular to the tested steel bar.
Preferably, the bottom of the top mounting seat is provided with a sliding groove with a T-shaped section, the top of the top is a sliding seat with a T-shaped section, and the sliding seat is matched with the sliding groove at the bottom of the top mounting seat and is in sliding connection with the sliding groove.
Preferably, the bottom of the top is integrally formed with 3-4 hammers, and the bottoms of the hammers are convex bodies with different diameters.
Preferably, one side of the upper surface of the top mounting seat is integrally formed with a limiting pin seat, a limiting pin is vertically inserted into the limiting pin seat, a limiting hole is formed in the upper surface of the sliding seat corresponding to each hammer head, and the bottom end of the limiting pin is matched and inserted into the limiting hole.
Preferably, the inside cylindric bullet chamber that is equipped with of spacing key seat, the part integrated into one piece that the spacer pin is located the bullet chamber has the chuck, and is connected with reset spring between chuck and the bullet chamber top.
The invention has the technical effects and advantages that:
1. according to the invention, the ejector head is adjusted on the ejector head mounting seat in a sliding manner, after the corresponding hammer head is selected, the bottom end of the limiting pin is properly inserted into the limiting hole, the ejector head is limited, and the selection and the replacement of the hammer head are rapid and convenient;
2. because the reinforcing bar diameter variation of test, the reinforcing bar standing groove is also different with the suitable notch size that matches, and the reinforcing bar backing roll both ends are equipped with the round pin axle card and establish in the draw-in groove that the side extension board was seted up, conveniently carry out quick replacement to the reinforcing bar backing roll.
3. This application uses multiunit pressure sensing element, measures the power of reinforcing bar bending process in respectively, and first group's sensing element and second group sensing element are to reinforcing bar bending process, and rather than perpendicular and parallel pressure measure, and the third group sensing element is then more obvious to the change of pressure, and fourth group and fifth group sensing element then can be to the pressure of reinforcing bar bending process contact piece carry out the analysis, have improved bending test device's application range greatly.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front cross-sectional view of the structure of the present invention.
Fig. 3 is a cross-sectional view taken at a-a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 3.
Fig. 5 is an enlarged view at C in fig. 3.
Fig. 6 is a schematic perspective view of the present invention 13.
In the figure: 1. a body; 2. a work table; 3. a guide rail; 4. a supporting seat; 41. a side support plate; 5. a reinforcing steel bar supporting roller; 51. a steel bar placing groove; 6. a hydraulic cylinder support; 7. a distance-adjusting hydraulic cylinder; 8. a pillar; 9. a top seat; 10. a master cylinder; 11. a pressure sensor; 12. a plug mounting seat; 13. ejecting the head; 131. a slide base; 132. a hammer head; 133. a limiting hole; 14. a limit pin seat; 15. a spacing pin; 151. a chuck; 16. a return spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a bending test device of a reinforcing steel bar as shown in figures 1-5, which comprises a machine body 1, wherein the upper end of the machine body 1 is provided with a workbench 2, the upper surface of the workbench 2 is provided with a guide rail 3, the guide rail 3 is connected with a pair of supporting seats 4 in a sliding way, the supporting seats 4 are provided with reinforcing steel bar supporting rollers 5, as shown in figures 1 and 4, two sides of the supporting seats 4 are integrally formed with side supporting plates 41, the side supporting plates 41 are provided with U-shaped clamping grooves, two ends of the reinforcing steel bar supporting rollers 5 are provided with pin shafts which are clamped in the clamping grooves formed by the side supporting plates 41, so that the reinforcing steel bar supporting rollers 5 can be conveniently and rapidly replaced, the middle part of the reinforcing steel bar supporting rollers 5 is provided with an annular groove-shaped reinforcing steel bar placing groove 51, the groove surface of the reinforcing steel bar placing groove 51 is provided with anti-skid texture friction, the both ends of guide rail 3 all are equipped with pneumatic cylinder support 6, and the lateral wall of both sides pneumatic cylinder support 6 all has roll adjustment pneumatic cylinder 7 through the bolt fastening, and the telescopic link of roll adjustment pneumatic cylinder 7 runs through pneumatic cylinder support 6, and the telescopic link tip of two roll adjustment pneumatic cylinders 7 respectively with two supporting seats 4 fixed connection, through the flexible of controlling two roll adjustment pneumatic cylinder 7 telescopic links, adjust the interval between two supporting seats 4 and the supporting seat 4 installation reinforcing bar backing roll 5, the convenience matches with the length of test reinforcing bar and suits. The pressure sensor is internally provided with three groups of pressure sensitive elements, each group of pressure sensitive elements are distributed in a three-dimensional space, the first group of pressure sensitive elements and the second group of pressure sensitive elements are distributed in a plane parallel to the upper surface of the workbench, and the third group of pressure sensitive elements are vertical to the upper surface of the workbench; the sensitive direction of the first group of sensitive elements is parallel to the axial direction of the tested steel bar, the sensitive direction of the second group of sensitive elements is vertical to the axial direction of the tested steel bar, the clamping grooves on the two sides of the side supporting plate are respectively provided with a fourth group of sensitive elements and a fifth group of sensitive elements, and the sensitive directions of the fourth group of sensitive elements and the fifth group of sensitive elements are vertical to the tested steel bar. The fourth and fifth groups of sensitive elements can be positioned at the bottom of the clamping groove or at the horizontal position of the clamping groove, so that the measuring range is enlarged.
Fasten the test reinforcing bar through reinforcing bar fixed slot 51, use two roll adjustment pneumatic cylinders 7 tensile and compression can accomplish the test to reinforcing bar tensile strength simultaneously, can add the pressure test of main hydraulic cylinder 10 this moment simultaneously, can carry out multiple measurement to the reinforcing bar simultaneously.
Combine fig. 1 and fig. 2 to show, four corners of the upper surface of workstation 2 are located through 8 fixedly connected with footstock 9 of pillar, the upper surface of footstock 9 is fixed with main hydraulic cylinder 10 through the bolt, the telescopic rod portion of main hydraulic cylinder 10 runs through footstock 9 perpendicularly downwards, and the telescopic link end connection of main hydraulic cylinder 10 has pressure sensor 11, pressure sensor 11's lower extreme fixedly connected with top mount pad 12, the bottom of top mount pad 12 is connected with top 13, the telescopic link through control main hydraulic cylinder 10 extends downwards, thereby make top 13 carry out the roof pressure to the test reinforcing bar, make the test reinforcing bar crooked, pressure sensor 11 is used for detecting the application force of top 13 to the reinforcing bar.
As shown in fig. 2, 5 and 6, the bottom of the plug mounting seat 12 is provided with a sliding groove with a T-shaped section, the top of the plug 13 is a sliding seat 131 with a T-shaped section, and the sliding seat 131 is matched with the sliding groove at the bottom of the plug mounting seat 12 for sliding connection, so that the plug 13 is conveniently clamped and fixed on the plug mounting seat 12.
Referring to fig. 5 and 6, 3 to 4 hammers 132 are integrally formed at the bottom of the ram 13, the bottoms of the hammers 132 are convex bodies with different diameters, and can be replaced by sliding positions according to the steel bar test requirements, a limit pin seat 14 is integrally formed at one side of the upper surface of the ram mounting seat 12, a limit pin 15 is vertically inserted into the limit pin seat 14, a limit hole 133 is formed at the upper surface of the slide seat 131 corresponding to each hammer 132, after the corresponding hammer 132 is selected, the bottom end of the limit pin 15 is fittingly inserted into the limit hole 133 to limit the ram 13, a cylindrical spring chamber is formed inside the limit pin seat 14, a chuck 151 is integrally formed at the part of the limit pin 15 located in the spring chamber, a return spring 16 is connected between the chuck 151 and the top of the spring chamber, and under the elastic force of the return spring 16, the bottom end of the limit pin 15 is tightly inserted into the limit hole 133, and the bottom end of the limit pin 15 can be separated from the limit hole 133 by lifting the drawing end at the upper end of the limit pin 15 upwards, so that the top 13 can be conveniently slid, and the position of the hammer head 132 at the bottom of the top 13 can be changed.
When the device works, the distance between the two supporting seats 4 and the steel bar supporting rollers 5 arranged on the supporting seats 4 is adjusted by controlling the telescopic rods of the two distance-adjusting hydraulic cylinders 7 to stretch, so that the device is convenient to match with the length of a tested steel bar, and then the tested steel bar is placed on the steel bar placing grooves 51 formed in the two steel bar supporting rollers 5, so that the steel bar is prevented from lateral rolling deviation; because the tested steel bars have different diameters and the sizes of the steel bar placing grooves 51 and the matched notches are also different, pin shafts are arranged at the two ends of the steel bar supporting roller 5 and clamped in clamping grooves formed in the side supporting plates 41, and the steel bar supporting roller 5 can be quickly replaced conveniently;
when a bending test is carried out, the telescopic rod of the main hydraulic cylinder 10 is controlled to extend downwards, so that the top head 13 presses against the tested steel bar, the tested steel bar is bent, and the pressure sensor 11 is used for detecting the force exerted by the top head 13 on the steel bar;
when different hammers 132 need to be replaced, the ejector 13 is adjusted to slide on the ejector mounting seat 12, corresponding hammers 132 are selected, then the bottom end of the limiting pin 15 is matched and properly inserted in the limiting hole 133, the ejector 13 is limited, and the selection and replacement of the hammers 132 are quick and convenient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a bending test device of reinforcing bar, includes organism (1), its characterized in that: the upper end of the machine body (1) is a workbench (2), a guide rail (3) is arranged on the upper surface of the workbench (2), a pair of supporting seats (4) is connected to the guide rail (3) in a sliding manner, reinforcing steel bar supporting rollers (5) are arranged on the supporting seats (4), hydraulic cylinder supports (6) are arranged at two ends of the guide rail (3), distance-adjusting hydraulic cylinders (7) are fixed on the outer side walls of the hydraulic cylinder supports (6) at two sides through bolts, telescopic rods of the distance-adjusting hydraulic cylinders (7) penetrate through the hydraulic cylinder supports (6), the end parts of the telescopic rods of the two distance-adjusting hydraulic cylinders (7) are fixedly connected with the two supporting seats (4) respectively, top seats (9) are fixedly connected to four corners of the upper surface of the workbench (2) through supporting columns (8), main hydraulic cylinders (10) are fixed on the upper surface of the top seats (9) through bolts, and the telescopic rods of the, and the end of the telescopic rod of the main hydraulic cylinder (10) is connected with a pressure sensor (11), the lower end of the pressure sensor (11) is fixedly connected with a top mounting seat (12), the bottom of the top mounting seat (12) is connected with a top (13), two sides of the supporting seat (4) are integrally formed with side supporting plates (41), U-shaped clamping grooves are formed in the side supporting plates (41), pin shafts are arranged at two ends of a steel bar supporting roller (5) and clamped in the clamping grooves formed in the side supporting plates (41), an annular groove-shaped steel bar placing groove (51) is formed in the middle of the steel bar supporting roller (5), anti-skid friction grains are arranged on the groove surface of the steel bar placing groove (51), three groups of pressure sensitive elements are arranged in the pressure sensor (11), the sensitive elements are distributed in a three-dimensional space, a first group of sensitive elements and a second group of sensitive elements are distributed in a plane parallel to the upper surface of the workbench (2), the third group of sensitive elements is vertical to the upper surface of the workbench (2); the sensitive direction of the first group of sensitive elements is parallel to the axial direction of the tested steel bar, the sensitive direction of the second group of sensitive elements is perpendicular to the axial direction of the tested steel bar, a fourth group of sensitive elements and a fifth group of sensitive elements are respectively arranged in the clamping grooves at two sides of the side supporting plate (41), and the sensitive directions of the fourth group of sensitive elements and the fifth group of sensitive elements are perpendicular to the tested steel bar.
2. A bending test apparatus for reinforcing bar according to claim 1, wherein: the bottom of the ejector mounting seat (12) is provided with a sliding groove with a T-shaped section, the top of the ejector (13) is a sliding seat (131) with a T-shaped section, and the sliding seat (131) is matched with the sliding groove at the bottom of the ejector mounting seat (12) and is in sliding connection.
3. A bending test apparatus for reinforcing bar according to claim 1, wherein: the bottom of the top (13) is integrally formed with 3-4 hammers (132), and the bottoms of the hammers (132) are convex bodies with different diameters.
4. A bending test apparatus for reinforcing bar according to claim 1, wherein: the limiting pin seat is formed in one side of the upper surface of the top mounting seat (12) in an integrated mode, the limiting pin seat (14) is provided with a limiting pin (15) in a vertical insertion mode, a limiting hole (133) is formed in the position, corresponding to each hammer head (132), of the upper surface of the sliding seat (131), and the bottom end of the limiting pin (15) is matched and inserted in the limiting hole (133).
5. A device for testing the bending of a reinforcing bar according to claim 4, wherein: the limiting pin base (14) is internally provided with a cylindrical bullet cavity, the limiting pin (15) is positioned in the bullet cavity, the chuck (151) is integrally formed at the part, located in the bullet cavity, of the limiting pin, and a reset spring (16) is connected between the chuck (151) and the top of the bullet cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835400.XA CN111781071B (en) | 2020-08-19 | 2020-08-19 | Bending test device for reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010835400.XA CN111781071B (en) | 2020-08-19 | 2020-08-19 | Bending test device for reinforcing steel bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111781071A true CN111781071A (en) | 2020-10-16 |
| CN111781071B CN111781071B (en) | 2024-02-27 |
Family
ID=72762852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010835400.XA Active CN111781071B (en) | 2020-08-19 | 2020-08-19 | Bending test device for reinforcing steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111781071B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986006A (en) * | 2021-02-08 | 2021-06-18 | 江西科技学院 | Testing tool and testing method for bending mechanical property of sandwich structure |
| CN113866014A (en) * | 2021-09-28 | 2021-12-31 | 南京林业大学 | Automatic roll-changing bending tester |
| CN114486526A (en) * | 2022-01-26 | 2022-05-13 | 唐山市市场监管综合执法局 | Measuring instrument for detecting pressure-bearing limit value of steel pipe and using method thereof |
| CN117019655A (en) * | 2023-10-08 | 2023-11-10 | 甘肃百瑞祥工程检测有限公司 | Reinforcing steel bar performance detection device for construction engineering detection and detection method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120067742A (en) * | 2010-12-16 | 2012-06-26 | 주식회사 포스코 | Bending test device |
| CN205593682U (en) * | 2016-04-29 | 2016-09-21 | 韶关学院 | Answer variant three -dimensional pressure sensor |
| CN208758521U (en) * | 2018-09-17 | 2019-04-19 | 曹仙鹏 | A kind of civil engineering steel bar bending device |
| CN209102528U (en) * | 2018-11-07 | 2019-07-12 | 浙江华昊建筑材料检测有限公司 | A kind of reinforcing steel bar bending tester |
| CN209690080U (en) * | 2019-03-13 | 2019-11-26 | 绍兴市容纳测控技术有限公司 | A kind of modified reinforcing steel bar bending tester |
| CN209998821U (en) * | 2019-05-09 | 2020-01-31 | 青岛永基重型机床有限公司 | Cutter head replacing device of numerical control dragon machine tool |
| CN110926960A (en) * | 2019-11-27 | 2020-03-27 | 常德鑫睿新材料有限公司 | Non ferrous metal alloy material testing machine for bending strength |
| CN210863410U (en) * | 2019-08-14 | 2020-06-26 | 天津市东丽区建筑工程试验室 | Reinforcing bar bending test device |
-
2020
- 2020-08-19 CN CN202010835400.XA patent/CN111781071B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120067742A (en) * | 2010-12-16 | 2012-06-26 | 주식회사 포스코 | Bending test device |
| CN205593682U (en) * | 2016-04-29 | 2016-09-21 | 韶关学院 | Answer variant three -dimensional pressure sensor |
| CN208758521U (en) * | 2018-09-17 | 2019-04-19 | 曹仙鹏 | A kind of civil engineering steel bar bending device |
| CN209102528U (en) * | 2018-11-07 | 2019-07-12 | 浙江华昊建筑材料检测有限公司 | A kind of reinforcing steel bar bending tester |
| CN209690080U (en) * | 2019-03-13 | 2019-11-26 | 绍兴市容纳测控技术有限公司 | A kind of modified reinforcing steel bar bending tester |
| CN209998821U (en) * | 2019-05-09 | 2020-01-31 | 青岛永基重型机床有限公司 | Cutter head replacing device of numerical control dragon machine tool |
| CN210863410U (en) * | 2019-08-14 | 2020-06-26 | 天津市东丽区建筑工程试验室 | Reinforcing bar bending test device |
| CN110926960A (en) * | 2019-11-27 | 2020-03-27 | 常德鑫睿新材料有限公司 | Non ferrous metal alloy material testing machine for bending strength |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986006A (en) * | 2021-02-08 | 2021-06-18 | 江西科技学院 | Testing tool and testing method for bending mechanical property of sandwich structure |
| CN112986006B (en) * | 2021-02-08 | 2024-03-29 | 江西科技学院 | Test tool and test method for bending mechanical property of sandwich structure |
| CN113866014A (en) * | 2021-09-28 | 2021-12-31 | 南京林业大学 | Automatic roll-changing bending tester |
| CN114486526A (en) * | 2022-01-26 | 2022-05-13 | 唐山市市场监管综合执法局 | Measuring instrument for detecting pressure-bearing limit value of steel pipe and using method thereof |
| CN114486526B (en) * | 2022-01-26 | 2023-08-25 | 唐山市市场监管综合执法局 | Measuring instrument for detecting bearing limit value of steel pipe and using method thereof |
| CN117019655A (en) * | 2023-10-08 | 2023-11-10 | 甘肃百瑞祥工程检测有限公司 | Reinforcing steel bar performance detection device for construction engineering detection and detection method thereof |
| CN117019655B (en) * | 2023-10-08 | 2023-12-15 | 甘肃百瑞祥工程检测有限公司 | Reinforcing steel bar performance detection device for construction engineering detection and detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111781071B (en) | 2024-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111781071A (en) | Bending test device of reinforcing bar | |
| CN106353181A (en) | Asymmetric clamping device and experimental method for sheet compressing | |
| CN214794192U (en) | Press convenient to carry out pressure detection | |
| CN213579088U (en) | Correcting unit of spark machine lead screw | |
| CN111168596B (en) | Pneumatic clamp device with sensor control | |
| CN216955475U (en) | Compression and bending strength testing machine for fan-shaped round tube-shaped graphite product | |
| CN212275457U (en) | Tensile sample shoulder length center positioning device | |
| CN210180467U (en) | Novel printing finished product detects device | |
| CN110779753B (en) | Vehicle-mounted jack test equipment | |
| CN217669004U (en) | Crankshaft circle run-out detection device | |
| CN220375739U (en) | Part measurement support | |
| CN215004284U (en) | Fixture is examined to vehicle front bumper covering | |
| CN214814397U (en) | Frame type hydraulic machine with high machining precision and high stability | |
| CN212721268U (en) | Flatness detection tool suitable for large-end-face part | |
| CN221686027U (en) | Paper tube compressive strength testing device | |
| CN216771320U (en) | Vertical tension and compression testing machine | |
| CN116222429B (en) | Automobile shock absorber fork arm comprehensive measuring device | |
| CN219141707U (en) | Embedded positioning detection mechanism of sheet metal part | |
| CN213516618U (en) | Bed support hardware bearing capacity detection device | |
| CN215218335U (en) | Solid wall pipe ring rigidity test tool | |
| CN213209712U (en) | Press machine test platform | |
| CN216150719U (en) | Checking and checking integrated device for shaft workpieces | |
| CN214622045U (en) | Ring rigidity testing machine convenient to fix | |
| CN217059682U (en) | Building material detection device | |
| CN209753704U (en) | Digital display manual straightener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240130 Address after: 443000 Xiannu Road, Xiannu Industrial Park, Economic Development Zone, Xiannu Town, Zhijiang City, Yichang City, Hubei Province Applicant after: Hubei Panrui Testing Technology Co.,Ltd. Country or region after: China Address before: No.144 Huayuan Road, Jinshui District, Zhengzhou City, Henan Province, 450000 Applicant before: Lu Wei Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |