CN211904920U - Novel tensile bending test machine - Google Patents
Novel tensile bending test machine Download PDFInfo
- Publication number
- CN211904920U CN211904920U CN202020177396.8U CN202020177396U CN211904920U CN 211904920 U CN211904920 U CN 211904920U CN 202020177396 U CN202020177396 U CN 202020177396U CN 211904920 U CN211904920 U CN 211904920U
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- reinforcing bar
- sliding
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Abstract
The utility model discloses a novel tensile bending test machine, including test frame, tensile structure and crooked extrusion structure, through setting up tensile structure, tensile motor operation, under the cooperation of reverse screw thread in both ends, the fixed plate of both sides is under the sliding fit of slider along the slide rail, simultaneously to both sides tensile operation, according to the initial position of scale mark record reinforcing bar and the position of fracture critical point, can judge the tensile strength of reinforcing bar according to the initial position of reinforcing bar and the position of fracture critical point, carry out the extension simultaneously through both ends, can test the tensile strength of reinforcing bar more stable, one end atress, the test effect is better, tensile process is more stable, through setting up crooked extrusion structure, promote the arc plate directly over to the different positions of reinforcing bar, can realize the extrusion to the reinforcing bar, lead to the reinforcing bar warp crooked, judge the crooked volume of reinforcing bar through vertical dipperstick, the bending strength of the steel bar can be measured at multiple points, and the test effect is better.
Description
Technical Field
The utility model relates to a testing machine equipment field specifically is a novel tensile bending test machine.
Background
The tensile test is a test method for measuring the material characteristics under the axial tensile load; the data obtained by the tensile test can be used for determining the elastic limit, the elongation, the elastic modulus, the proportional limit, the area reduction, the tensile strength, the yield point, the yield strength and other tensile performance indexes of the material;
when carrying out tensile test, current tensile testing machine generally is through unilateral atress tensile, can lead to the billet to be forced deformation by one end gradually, and the other end reaction is unobvious, leads to measured data inaccurate, and tensile process is unstable, when carrying out bending test, can only carry out the extrusion test of fixed point to isometric billet, and data acquisition point is single, leads to the test result inaccurate, to above shortcoming, needs design a novel tensile bending testing machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel tensile bending test machine has solved current tensile test machine and generally has passed through unilateral atress tensile, can lead to the billet by one end atress deformation gradually, and the other end reaction is not obvious, leads to measured data inaccurate, the unstable technical problem of tensile process.
The purpose of the utility model can be realized by the following technical scheme:
a novel tensile bending tester comprises a test frame, a tensile structure and a bending and extruding structure, wherein the tensile structure is installed at the bottom of an inner cavity of the test frame, and the bending and extruding structure is installed at the top of the test frame;
tensile structure includes slide rail, scale mark, fixed plate, slider, two-way lead screw, tensile motor, positioning bolt and fixed orifices, the slide rail is arranged on the lateral wall at the bottom of the inner chamber of experimental frame, the both ends top side of slide rail cooperates the joint respectively to have the slider, two the fixed plate is installed respectively to the top side of slider, the fixed orifices has been seted up on the top of fixed plate, tensile motor passes through the bolt cooperation and installs the avris top at experimental frame, the both ends of two-way lead screw cooperate respectively to install in the bearing frame in experimental frame both sides side, tensile motor's output tip is connected with the one end of two-way lead screw, the both ends of two-way lead screw run through two through screw-thread fit respectively the bottom of fixed plate, the parallel two-way lead screw of scale mark is carved.
As a further aspect of the present invention: crooked extrusion structure includes arc, pneumatic stem, cylinder, the lead screw that slides, fixed slide bar, pole groove, the motor that slides, limiting plate and vertical dipperstick, the pole groove has been seted up to the top lateral wall of test frame, the vertical through rod groove of fixed slide bar, the upper and lower both ends of fixed slide bar cup joint respectively and are fixed with the limiting plate, the cylinder passes through the bolt cooperation and installs the bottom at the bottom side limiting plate, the bottom at the cylinder is installed to the pneumatic stem, the bottom at the pneumatic stem is fixed to the arc, the bottom avris at the limiting plate is fixed to vertical dipperstick, the motor that slides passes through the bolt cooperation and installs the top side one end at test frame, the output tip at the motor that slides is fixed to the lead screw that slides, the lead screw that slides runs through inside the top.
As a further aspect of the present invention: the two ends of the bidirectional screw rod are provided with threads in opposite directions, and the distance between the two fixing plates and the center of the bidirectional screw rod is the same.
As a further aspect of the present invention: the bottom end of the positioning bolt vertically penetrates through the top side hole wall of the fixing hole through thread matching, and the bottom end of the positioning bolt is provided with the extrusion piece through bearing matching.
As a further aspect of the present invention: the arc-shaped plate is arranged right above the central axis of the two fixing holes.
The utility model has the advantages that: through setting up the tensile structure, the operation of the tensile motor drives the rotation of the two-way screw rod, under the cooperation of reverse screw threads at two ends, the fixed plates at two sides can simultaneously carry out tensile operation towards two sides under the sliding fit of the slide block along the slide rail, the initial position of the steel bar and the position of the fracture critical point are recorded in real time according to the scale lines, the tensile amount of the steel bar can be judged according to the initial position of the steel bar and the position of the fracture critical point, the simultaneous external expansion tensile is carried out through two ends, the tensile strength of the steel bar can be tested more stably, the test effect is better than one-end stress, the tensile process is more stable, through setting up the bending extrusion structure, the sliding screw rod is driven to rotate through the operation of the sliding motor, the arc-shaped plate can be pushed to the position right above different positions of the steel bar, under the operation of the air cylinder, the extrusion of the steel, the bending strength of the steel bar can be measured at multiple points, and the test effect is better.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is an overall front view of the present invention;
FIG. 3 is a perspective view of the stretching structure of the present invention;
in the figure: 1. a test frame; 2. stretching the structure; 3. bending the extruded structure; 21. a slide rail; 22. scale lines; 23. a fixing plate; 24. a slider; 25. a bidirectional screw rod; 26. a stretching motor; 27. positioning the bolt; 28. a fixing hole; 31. an arc-shaped plate; 32. a pneumatic rod; 33. a cylinder; 34. a sliding screw rod; 35. fixing the sliding rod; 36. a rod groove; 37. a slip motor; 38. a limiting plate; 39. and (5) vertically measuring the scale.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, a novel tensile bending tester comprises a test frame 1, a tensile structure 2 and a bending and extruding structure 3, wherein the tensile structure 2 is installed at the bottom of an inner cavity of the test frame 1, and the bending and extruding structure 3 is installed at the top of the test frame 1;
the stretching structure 2 comprises a slide rail 21, scale marks 22, a fixing plate 23, a slide block 24, a bidirectional screw rod 25, a stretching motor 26, a positioning bolt 27 and a fixing hole 28, the slide rail 21 is arranged on the bottom side wall of an inner cavity of the test frame 1, the slide blocks 24 are respectively clamped and matched on the top sides of two ends of the slide rail 21, the fixing plate 23 is respectively installed on the top sides of the two slide blocks 24, the fixing hole 28 is formed in the top end of the fixing plate 23, the stretching motor 26 is installed on the top side of the test frame 1 through a bolt in a matched mode, the two ends of the bidirectional screw rod 25 are respectively installed in bearing seats in the side edges of two sides of the test frame 1 in a matched mode, the output end portion of the stretching motor 26 is connected with one end of the bidirectional screw rod 25, the two ends of the bidirectional screw rod 25 respectively;
the bending extrusion structure 3 comprises an arc plate 31, a pneumatic rod 32, an air cylinder 33, a sliding screw rod 34, a fixed sliding rod 35, a rod groove 36, a sliding motor 37, a limiting plate 38 and a vertical measuring scale 39, wherein the top side wall of the test frame 1 is provided with the rod groove 36, the fixed sliding rod 35 vertically penetrates through the rod groove 36, the upper end and the lower end of the fixed sliding rod 35 are respectively sleeved and fixed with the limiting plate 38, the air cylinder 33 is installed at the bottom of the bottom side limiting plate 38 in a matched mode through bolts, the pneumatic rod 32 is installed at the bottom of the air cylinder 33, the arc plate 31 is fixed at the bottom end of the pneumatic rod 32, the vertical measuring scale 39 is fixed at the bottom side of the limiting plate 38, the sliding motor 37 is installed at one end of the top side of the test frame 1 in a matched mode through bolts, the sliding;
the thread directions of the two ends of the bidirectional screw rod 25 are opposite, and the distance between the two fixing plates 23 and the center of the bidirectional screw rod 25 is the same, so that the two fixing plates can be extruded more stably;
the bottom end of the positioning bolt 27 vertically penetrates through the top side hole wall of the fixing hole 28 through thread matching, and the bottom end of the positioning bolt 27 is provided with an extrusion piece through bearing matching, so that a product to be detected can be better clamped and fixed in a matching manner;
the arc plate 31 is arranged right above the central axis of the two fixing holes 28 and can be matched with extrusion to measure the bending depth through a vertical measuring scale 39.
The utility model discloses a theory of operation: when stretching, the two ends of the steel bar to be tested are fixed inside the fixing hole 28 through the positioning bolt 27 in a matching manner, then the stretching motor 26 is operated to drive the bidirectional screw rod 25 to rotate, under the matching of reverse threads at the two ends, the fixing plates 23 at the two sides can simultaneously stretch to the two sides under the sliding fit of the sliding block 24 along the sliding rail 21, the initial position and the position of the fracture critical point of the steel bar are recorded in real time according to the scale mark 22, the stretching amount of the steel bar can be judged according to the initial position and the position of the fracture critical point of the steel bar, the two ends are simultaneously stretched, the stretching strength of the steel bar can be tested more stably, the steel bar is stressed at one end, the testing effect is better, the stretching process is more stable, after stretching positioning, the sliding motor 37 is operated to drive the sliding screw rod 34 to rotate, and the arc-shaped plate 31 can be pushed to the, under cylinder 33's the operation, through the cooperation of pneumatic rod 32, can realize the extrusion to the billet, lead to the billet to warp the bending, judge the bending deflection of billet through vertical measurement chi 39, the bending strength that can the multiple spot survey billet, experimental effect is better.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The novel tensile bending testing machine is characterized by comprising a testing frame (1), a tensile structure (2) and a bending and extruding structure (3), wherein the tensile structure (2) is installed at the bottom of an inner cavity of the testing frame (1), and the bending and extruding structure (3) is installed at the top of the testing frame (1);
tensile structure (2) include slide rail (21), scale mark (22), fixed plate (23), slider (24), two-way lead screw (25), tensile motor (26), positioning bolt (27) and fixed orifices (28), slide rail (21) are arranged on the inner chamber bottom side wall of experimental frame (1), the both ends top side of slide rail (21) cooperates the joint respectively and has slider (24), two fixed plate (23) are installed respectively to the top side of slider (24), fixed orifices (28) have been seted up on the top of fixed plate (23), tensile motor (26) are installed at the avris top of experimental frame (1) through the bolt cooperation, the both ends of two-way lead screw (25) cooperate respectively to install in the bearing frame in experimental frame (1) both sides side, the output tip of tensile motor (26) is connected with the one end of two-way lead screw (25), the both ends of two-way lead screw (25) run through two through the screw-thread fit respectively the bottom of fixed plate (23) The scale marks (22) are parallel to the bidirectional screw rod (25) and are carved on the bottom side of the test frame (1).
2. The novel tensile bending tester according to claim 1, wherein the bending extrusion structure (3) comprises an arc plate (31), a pneumatic rod (32), a cylinder (33), a sliding screw rod (34), a fixed sliding rod (35), a rod groove (36), a sliding motor (37), a limiting plate (38) and a vertical measuring ruler (39), the top side wall of the test frame (1) is provided with the rod groove (36), the fixed sliding rod (35) vertically penetrates through the rod groove (36), the upper end and the lower end of the fixed sliding rod (35) are respectively sleeved and fixed with the limiting plate (38), the cylinder (33) is installed at the bottom of the bottom limiting plate (38) through a bolt in a matching manner, the pneumatic rod (32) is installed at the bottom of the cylinder (33), the arc plate (31) is fixed at the bottom end of the pneumatic rod (32), and the vertical measuring ruler (39) is fixed at the bottom side of the limiting plate (38), the sliding motor (37) is installed at one end of the top side of the test frame (1) in a matched mode through bolts, the sliding screw rod (34) is fixed at the output end portion of the sliding motor (37), and the sliding screw rod (34) penetrates through the inside of the top end of the fixed sliding rod (35) in a matched mode through threads.
3. The novel tensile bending tester according to claim 1, wherein the two ends of the bidirectional screw rod (25) have opposite screw directions, and the two fixing plates (23) have the same distance from the center of the bidirectional screw rod (25).
4. The novel tensile bending tester of claim 1, wherein the bottom end of the positioning bolt (27) vertically penetrates through the top hole wall of the fixing hole (28) through thread fit, and the bottom end of the positioning bolt (27) is provided with a pressing sheet through bearing fit.
5. The new tensile bending tester according to claim 2, characterized in that the curved plate (31) is arranged directly above the central axis of the two fixing holes (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020177396.8U CN211904920U (en) | 2020-02-17 | 2020-02-17 | Novel tensile bending test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020177396.8U CN211904920U (en) | 2020-02-17 | 2020-02-17 | Novel tensile bending test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211904920U true CN211904920U (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020177396.8U Expired - Fee Related CN211904920U (en) | 2020-02-17 | 2020-02-17 | Novel tensile bending test machine |
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| CN (1) | CN211904920U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577824A (en) * | 2020-12-25 | 2021-03-30 | 蒋晓瑜 | High strength bolt quality detection device |
| CN113049401A (en) * | 2021-02-19 | 2021-06-29 | 南通天和建设工程质量检测有限公司 | Full-automatic reverse bending test device for reinforcing steel bars |
| CN113533079A (en) * | 2021-08-03 | 2021-10-22 | 上海乐橘科技有限公司 | Plastic tray mechanical strength check out test set |
| CN114279814A (en) * | 2021-12-25 | 2022-04-05 | 江苏众信工程检测有限公司 | Building steel bar performance detection equipment and detection method |
| CN116754362A (en) * | 2023-08-21 | 2023-09-15 | 天津中德应用技术大学 | Metal material tensile property testing device |
| CN116952719A (en) * | 2023-07-12 | 2023-10-27 | 中铁十七局集团第二工程有限公司 | Pre-buried channel tensile test device and system |
| CN116973254A (en) * | 2023-09-25 | 2023-10-31 | 江苏沙钢集团有限公司 | Steel bar strength testing device |
| CN117571502A (en) * | 2024-01-15 | 2024-02-20 | 天津天康金属制品有限公司 | Cold-rolled ribbed steel bar bending test device and method |
-
2020
- 2020-02-17 CN CN202020177396.8U patent/CN211904920U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577824B (en) * | 2020-12-25 | 2022-09-20 | 李坤 | High strength bolt quality detection device |
| CN112577824A (en) * | 2020-12-25 | 2021-03-30 | 蒋晓瑜 | High strength bolt quality detection device |
| CN113049401A (en) * | 2021-02-19 | 2021-06-29 | 南通天和建设工程质量检测有限公司 | Full-automatic reverse bending test device for reinforcing steel bars |
| CN113049401B (en) * | 2021-02-19 | 2023-01-13 | 南通天和建设工程质量检测有限公司 | Full-automatic reverse bending test device for reinforcing steel bars |
| CN113533079B (en) * | 2021-08-03 | 2024-03-15 | 上海乐橘科技有限公司 | Plastic pallet mechanical strength check out test set |
| CN113533079A (en) * | 2021-08-03 | 2021-10-22 | 上海乐橘科技有限公司 | Plastic tray mechanical strength check out test set |
| CN114279814A (en) * | 2021-12-25 | 2022-04-05 | 江苏众信工程检测有限公司 | Building steel bar performance detection equipment and detection method |
| CN114279814B (en) * | 2021-12-25 | 2024-03-22 | 江苏众信工程勘测有限公司 | Construction steel bar performance detection equipment and detection method |
| CN116952719A (en) * | 2023-07-12 | 2023-10-27 | 中铁十七局集团第二工程有限公司 | Pre-buried channel tensile test device and system |
| CN116754362A (en) * | 2023-08-21 | 2023-09-15 | 天津中德应用技术大学 | Metal material tensile property testing device |
| CN116754362B (en) * | 2023-08-21 | 2023-10-31 | 天津中德应用技术大学 | Metal material tensile property testing device |
| CN116973254B (en) * | 2023-09-25 | 2023-11-24 | 江苏沙钢集团有限公司 | Steel bar strength testing device |
| CN116973254A (en) * | 2023-09-25 | 2023-10-31 | 江苏沙钢集团有限公司 | Steel bar strength testing device |
| CN117571502A (en) * | 2024-01-15 | 2024-02-20 | 天津天康金属制品有限公司 | Cold-rolled ribbed steel bar bending test device and method |
| CN117571502B (en) * | 2024-01-15 | 2024-04-02 | 天津天康金属制品有限公司 | Cold-rolled ribbed steel bar bending test device and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20210217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |