CN212363898U

CN212363898U - Measuring device for measuring elongation after fracture of reinforcing steel bar

Info

Publication number: CN212363898U
Application number: CN202020528583.6U
Authority: CN
Inventors: 王光兴; 王宪; 古之梦
Original assignee: Sichuan Huace Jianxin Testing Technology Co Ltd
Current assignee: Sichuan Huace Jianxin Testing Technology Co Ltd
Priority date: 2020-04-12
Filing date: 2020-04-12
Publication date: 2021-01-15
Anticipated expiration: 2030-04-12

Abstract

The utility model provides a technical problem provide a be convenient for fixed reinforcing bar, the elongation after the automatic measure reinforcing bar fracture, measurement accuracy are higher be used for measuring the measuring device of reinforcing bar percentage of elongation after breaking. The device includes benchmark roof beam, first diaphragm, second diaphragm, slide bar, self-holding subassembly, measuring component, a plurality of limiting plate. The device is when using, will fix in putting into the self-holding subassembly with the fracture back reinforcing bar that needs the measurement earlier, through a plurality of limiting plates alright block the reinforcing bar after the fracture, carry out interim restriction rotation with the limiting plate, the position of the infrared module of manual regulation first infrared module and second infrared module behind the people, two setpoint after the reinforcing bar fracture are aimed at respectively to the infrared ray that makes the infrared ray of the infrared module of first infrared module and second infrared module transmission, then the measurement button on the controller starts the distancer alright realize automatic measurement data. The method is simple to operate and suitable for popularization and application in the field of measurement.

Description

Measuring device for measuring elongation after fracture of reinforcing steel bar

Technical Field

The utility model relates to a measurement field, concretely relates to a measuring device for be used for measuring elongation after the reinforcing bar breaks.

Background

Elongation is the percentage of the original gauge length elongation to the original gauge length after tensile failure of the test specimen. Elongation is an important parameter that represents uniform or stable deformation of a material. The elongation of the steel bar refers to the ratio of the absolute elongation to the original length in the drawing process of the steel bar. The elongation is an important mechanical performance index of the metal conductor product and an important mark for the quality of the product and the capability of bearing external force. The accuracy of the measured data is also an important factor influencing the elongation of the steel bar, and the fixation of the steel bar also influences the data error.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a be convenient for fixed reinforcing bar, the elongation after the automatic measure reinforcing bar fracture, measurement accuracy are higher be used for measuring the measuring device of reinforcing bar percentage of elongation after breaking.

The utility model provides a technical scheme that its technical problem adopted is: the measuring device for measuring the elongation percentage after the breakage of the steel bar comprises a reference beam, a first transverse plate, a second transverse plate, a sliding rod, an automatic clamping assembly, a measuring assembly and a plurality of limiting plates, wherein the first transverse plate is arranged at the upper end of the inner side surface of the reference beam, the second transverse plate is arranged at the lower end of the inner side surface of the reference beam, the width of the first transverse plate is smaller than that of the second transverse plate, the automatic assembly is arranged between the first transverse plate and the second transverse plate, the automatic clamping assembly comprises a first clamping plate, a second clamping plate and a plurality of electric push rods, the lower end of the first clamping plate is fixed on the upper surface of the second transverse plate and is perpendicular to the upper surface of the second transverse plate, the second clamping plate and the second transverse plate are parallel to each other, the upper end surface of the first clamping plate and the upper surface of the second clamping plate are positioned in the same plane, a plurality of through holes are arranged on the outer side surface of the reference beam, and the, the number of the through holes is the same as that of the electric push rods, the electric push rods are in one-to-one correspondence, each electric push rod is fixed on the rear side surface of the reference beam, the telescopic rod of each electric push rod penetrates through the corresponding through hole and then is fixed on the end surface of the second clamping plate, facing one side of the reference beam, of the second clamping plate, a first arc-shaped groove is formed in the surface of the first clamping plate, facing one side of the second clamping plate, of the telescopic rod, the first arc-shaped groove is located at the upper end of the first clamping plate, a second arc-shaped groove is formed in the end surface of the second clamping plate, the first arc-shaped groove and the second arc-shaped groove are oppositely arranged and enclose into an arc-shaped groove for placing reinforcing steel bars, the first arc-shaped groove and the second arc-shaped groove are the same in size, the two ends of the slide rods are fixed on the inner, the upper end of each limiting plate is fixed on the sliding rod through a rotatable structure, and when the lower end of each limiting plate rotates into the arc-shaped groove, a gap exists between each limiting plate and the bottom of the first arc-shaped groove; the measuring assembly comprises a first infrared module, a second infrared module, a distance meter and a controller, wherein the controller is arranged on one side end face of the reference beam, a display screen, a switch button, a zero return button, a measuring button and a control button for simultaneously controlling the plurality of electric push rods are arranged on the controller, starting switches of the first infrared module, the second infrared module, the distance meter and the plurality of electric push rods are respectively connected with the controller, the controller is connected with an external power supply, the first infrared module and the second infrared module are respectively arranged on the first transverse plate and can move along the length direction of the first transverse plate, the distance meter is arranged on one side surface of the first infrared module facing the second infrared module, when data of the distance meter is zero, infrared rays emitted by the first infrared module and the second infrared module are respectively aligned with two positioning points before the breakage of the reinforcing steel bars, when the infrared rays emitted by the first infrared module and the second infrared module are respectively aligned to the two positioning points after the steel bar is broken, the distance measured by the distance meter is the elongation distance after the steel bar is broken.

Further, rotatable structure includes the sliding sleeve, the internal diameter of sliding sleeve and the diameter phase-match of slide bar, the upper end of every limiting plate is fixed on the lateral wall of sliding sleeve, still be provided with the screw thread through-hole on the lateral wall of sliding sleeve, be provided with the tight screw rod in the screw thread through-hole.

Furthermore, the upper surface of the first transverse plate coincides with the upper end face of the reference beam, and the lower surface of the second transverse plate coincides with the lower end face of the reference beam.

Further, the length of the first transverse plate and the length of the second transverse plate are both equal to the length of the reference beam.

Further, the length of the first clamping plate and the length of the second clamping plate are both equal to the length of the reference beam.

Furthermore, the shape of each limiting plate is fan-shaped, and one end, away from the sliding rod, of each limiting plate is arc-shaped and is matched with the first arc-shaped groove.

Further, the controller is a controller of a ZHHK-3C3600 model.

Further, the number of the electric push rods is three, and the number of the limiting plates is four.

Further, the distance measuring instrument is a 0Q-01 type distance measuring instrument.

Further, the first infrared module and the second infrared module are both RB-03T004 infrared emission modules.

The utility model has the advantages that: when the measuring device for measuring the elongation percentage after the breakage of the steel bar is used, the broken steel bar to be measured is firstly placed into an automatic clamping assembly to be fixed, the automatic clamping assembly further comprises a first clamping plate, a second clamping plate and a plurality of electric push rods, the lower end of the first clamping plate is fixed on the upper surface of a second transverse plate, the first clamping plate and the second clamping plate are mutually vertical, the second clamping plate and the second transverse plate are mutually parallel, the upper end surface of the first clamping plate and the upper surface of the second clamping plate are positioned in the same plane, the outer side surface of a reference beam is provided with a plurality of through holes, the central axis of each through hole is vertical to the outer side surface of the reference beam, the number of the through holes is the same as that of the electric push rods and corresponds to one another, each electric push rod is fixed on the rear side surface of the reference beam, and the telescopic rod of each electric push rod passes through the through hole corresponding to be fixed on the end surface of, the side surface of the first clamping plate facing the second clamping plate is provided with a first arc-shaped groove, the first arc-shaped groove is positioned at the upper end of the first clamping plate, the side end surface of the second clamping plate facing the first clamping plate is provided with a second arc-shaped groove, the first arc-shaped groove and the second arc-shaped groove are oppositely arranged and jointly enclose an arc-shaped groove for placing reinforcing steel bars, the first arc-shaped groove and the second arc-shaped groove have the same size, the size of the arc-shaped groove for placing the reinforcing steel bars is adjusted through a plurality of electric push rods to adapt to the reinforcing steel bars to be measured, because the controller is provided with a control button for simultaneously controlling the plurality of electric push rods, the starting switches of the plurality of electric push rods are respectively connected with the controller, the plurality of electric push rods can be driven through the control button on the controller, then the broken reinforcing steel bars are butted and fixed through a plurality of limiting plates, both ends of the sliding rod are fixed on the inner side surface of the reference beam through connecting plates and are positioned above the second clamping plate, a plurality of limiting plates are arranged on the sliding rod, the upper end of each limiting plate is fixed on the sliding rod through a rotatable structure, when the lower end of the limiting plate rotates into the arc-shaped groove, a gap is formed between the limiting plate and the bottom of the first arc-shaped groove, the corresponding limiting plate is rotated through the rotating structure, so that the broken steel bar can be clamped, meanwhile, the rotating structure also has the function of limiting rotation, the limiting plate is temporarily limited to rotate, the positions of the first infrared module and the second infrared module are manually adjusted, infrared rays emitted by the first infrared module and the second infrared module are respectively aligned to two positioning points after the steel bars are broken, then a measuring button on the controller starts the distance measuring instrument to realize automatic data measurement, and then the elongation can be calculated according to the data.

Drawings

Fig. 1 is a schematic structural diagram of a measuring device for measuring elongation after fracture of a steel bar according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a left side view of the measuring device for measuring the elongation after fracture of the steel bar according to the present invention;

fig. 5 is a schematic structural view of the combination of the reference beam, the first transverse plate and the second transverse plate of the present invention;

fig. 6 is a front view of the controller according to the present invention;

the reference numbers in the figures illustrate: reference beam 1, first diaphragm 2, second diaphragm 3, slide bar 4, first splint 5, second splint 6, electric putter 7, through-hole 8, first arc recess 9, second arc recess 10, arc 11, display screen 12, shift knob 13, zero setting button 14, measurement button 15, control button 16, first infrared module 17, second infrared module 18, distancer 19, sliding sleeve 20, top tight screw 21, connecting plate 22, limiting plate 23, controller 24.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 6, the measuring device for measuring the elongation percentage after the steel bar is broken comprises a reference beam 1, a first transverse plate 2, a second transverse plate 3, a slide bar 4, an automatic clamping assembly, a measuring assembly and a plurality of limiting plates 23, wherein the first transverse plate 2 is arranged at the upper end of the inner side surface of the reference beam 1, the second transverse plate 3 is arranged at the lower end of the inner side surface of the reference beam 1, the width of the first transverse plate 2 is smaller than that of the second transverse plate 3, the automatic assembly is arranged between the first transverse plate 2 and the second transverse plate 3, the automatic clamping assembly comprises a first clamping plate 5, a second clamping plate 6 and a plurality of electric push rods 7, the lower end of the first clamping plate 5 is fixed on the upper surface of the second transverse plate 3 and is perpendicular to the first clamping plate and the second transverse plate 3, the second clamping plate 6 is parallel to the second transverse plate 3, the upper end surface of the first clamping plate 5 and the upper surface of the second clamping plate 6 are in, the outer side surface of the reference beam 1 is provided with a plurality of through holes 8, the central axis of each through hole 8 is vertical to the outer side surface of the reference beam 1, the number of the plurality of through holes 8 is the same as that of the plurality of electric push rods 7, the electric push rods 7 are fixed on the rear side surface of the reference beam 1, the telescopic rod of each electric push rod 7 passes through the corresponding through hole 8 and then is fixed on the end surface of one side of the second clamping plate 6 facing the reference beam 1, the surface of one side of the first clamping plate 5 facing the second clamping plate 6 is provided with a first arc-shaped groove 9, the first arc-shaped groove 9 is positioned at the upper end of the first clamping plate 5, the end surface of one side of the second clamping plate 6 facing the first clamping plate 5 is provided with a second arc-shaped groove 10, the first arc-shaped groove 9 and the second arc-shaped groove 10 are arranged oppositely and enclose an arc-shaped, the first arc-shaped groove 9 and the second arc-shaped groove 10 are the same in size, two ends of the sliding rod 4 are fixed to the inner side surface of the reference beam 1 through connecting plates 22 and located above the second clamping plate 6, a plurality of limiting plates 23 are arranged on the sliding rod 4, the upper end of each limiting plate 23 is fixed to the sliding rod 4 through a rotatable structure, and when the lower ends of the limiting plates 23 rotate into the arc-shaped grooves 11, gaps exist between the limiting plates 23 and the bottoms of the first arc-shaped grooves 9; the measuring assembly comprises a first infrared module 17, a second infrared module 18, a distance measuring instrument 19 and a controller 24, the controller 24 is arranged on one side end face of the reference beam 1, a display screen 12, a switch button 13, a zero reset button 14, a measuring button 15 and a control button 16 for simultaneously controlling the plurality of electric push rods 7 are arranged on the controller 24, the starting switches of the first infrared module 17, the second infrared module 18, the distance measuring instrument 19 and the plurality of electric push rods 7 are respectively connected with the controller 24, the controller 24 is connected with an external power supply, the first infrared module 17 and the second infrared module 18 are respectively arranged on the first transverse plate 2 and can move along the length direction of the first transverse plate 2, the distance measuring instrument 19 is arranged on one side surface of the first infrared module 17 facing the second infrared module 18, when the data of the distance measuring instrument 19 is zero, the infrared rays emitted by the first infrared module 17 and the second infrared module 18 are respectively aligned with two front steel bars before breakage And when the infrared rays emitted by the first infrared module 17 and the second infrared module 18 are respectively aligned to the two positioning points after the steel bar is broken, the distance measured by the distance meter 19 is the elongation distance after the steel bar is broken. This a measuring device for measuring elongation after reinforcing bar breaks is when using, and it is fixed in the automatic clamping subassembly to put into of the back reinforcing bar that breaks that will need to measure earlier, and it is further that the automatic clamping subassembly includes first splint 5, second splint 6, a plurality of electric putter 7, the lower extreme of first splint 5 is fixed at the upper surface of second diaphragm 3 and the two is mutually perpendicular, second splint 6 is parallel to each other with second diaphragm 3, the up end of first splint 5 and the upper surface of second splint 6 lie in the coplanar, the outside surface of benchmark roof beam 1 is provided with a plurality of through-holes 8, and the central axis of every through-hole 8 all is perpendicular with the outside surface of benchmark roof beam 1, and the quantity of a plurality of through-holes 8 is the same and the one-to-one with the quantity of a plurality of electric putter 7, and every electric putter 7 all fixes at the side surface behind the benchmark roof beam 1, and the telescopic link of every electric putter 7 passes through the through-hole 8 that corresponds with it after fixing at second splint 6 towards the benchmark 1, a first arc-shaped groove 9 is formed in one side surface of the first clamping plate 5 facing the second clamping plate 6, the first arc-shaped groove 9 is located at the upper end of the first clamping plate 5, a second arc-shaped groove 10 is formed in one side surface of the second clamping plate 6 facing the first clamping plate 5, the first arc-shaped groove 9 and the second arc-shaped groove 10 are arranged oppositely and enclose an arc-shaped groove 11 for placing a steel bar, the first arc-shaped groove 9 and the second arc-shaped groove 10 are identical in size, the size of the arc-shaped groove 11 for placing the steel bar is adjusted through the electric push rods 7 to adapt to the steel bar to be measured, as the controller 24 is provided with a control button 16 for simultaneously controlling the electric push rods 7, the starting switches of the electric push rods 7 are respectively connected with the controller 24, and the electric push rods 7 can be driven through the control button 16 on the controller 24, then the fractured steel bars are butted, the fractured steel bars are fixed through a plurality of limiting plates 23, two ends of a sliding rod 4 are fixed on the inner side surface of the reference beam 1 through connecting plates 22 and are positioned above the second clamping plate 6, the plurality of limiting plates 23 are arranged on the sliding rod 4, the upper end of each limiting plate 23 is fixed on the sliding rod 4 through a rotatable structure, when the lower end of each limiting plate 23 rotates into the arc-shaped groove 11, a gap exists between each limiting plate 23 and the bottom of the corresponding arc-shaped groove 9, the corresponding limiting plate 23 can be clamped through rotation of the rotating structure, meanwhile, the rotating structure also has a rotation limiting function, the limiting plates 23 are subjected to temporary rotation limiting, the positions of the first infrared module 17 and the second infrared module 18 are manually adjusted, so that infrared rays emitted by the first infrared module 17 and the second infrared module 18 are respectively aligned to two positioning points after the fractured steel bars, the measurement button 15 on the controller 24 then activates the rangefinder 19 to automatically measure the data.

In the above embodiment, the rotatable structure is preferably a structure that includes a sliding sleeve 20, the inner diameter of the sliding sleeve 20 matches with the diameter of the sliding rod 4, the upper end of each limiting plate 23 is fixed on the outer side wall of the sliding sleeve 20, the side wall of the sliding sleeve 20 is further provided with a threaded through hole, and a tightening screw 21 is arranged in the threaded through hole. Through not hard up tight screw rod 21 in top like this, alright realize the limiting plate 23 that corresponds the circumference direction along slide bar 4 and rotate, also can realize simultaneously along the length direction slip of slide bar 4, treat limiting plate 23 location back, again will push up tight screw rod 21 fastening can.

From the perspective of simplicity and beauty, the upper surface of the first transverse plate 2 coincides with the upper end surface of the reference beam 1, and the lower surface of the second transverse plate 3 coincides with the lower end surface of the reference beam 1.

From the viewpoint of simplicity and beauty, the length of the first transverse plate 2 and the length of the second transverse plate 3 are both equal to the length of the reference beam 1.

In order to ensure that the steel bars with different sizes are matched, the length of the first clamping plate 5 and the length of the second clamping plate 6 are equal to the length of the reference beam 1.

For the steadiness of reinforcing bar, avoid appearing the condition of interfering, the shape of every limiting plate 23 is fan-shaped, and the one end that slide bar 4 was kept away from to every limiting plate 23 is arc form and with first arc recess 9 phase-match.

The controller 24 is conventional in the art, and preferably, the controller 24 is a controller 24 of the type ZHHK-3C 3600.

According to actual requirements, the number of the electric push rods 7 is three, and the number of the limiting plates 23 is four.

The distance meter 19 is prior art, and preferably the distance meter 19 is a 0Q-01 model distance meter 19.

The infrared module has various models, and preferably, the first infrared module 17 and the second infrared module 18 are both RB-03T004 infrared emission modules.

Claims

1. The utility model provides a measuring device for be used for measuring elongation after the reinforcing bar breaks which characterized in that: comprises a reference beam (1), a first transverse plate (2), a second transverse plate (3), a sliding rod (4), an automatic clamping assembly, a measuring assembly and a plurality of limiting plates (23), wherein the first transverse plate (2) is arranged at the upper end of the inner side surface of the reference beam (1), the second transverse plate (3) is arranged at the lower end of the inner side surface of the reference beam (1), the width of the first transverse plate (2) is smaller than that of the second transverse plate (3), the automatic clamping assembly is arranged between the first transverse plate (2) and the second transverse plate (3), the automatic clamping assembly comprises a first clamping plate (5), a second clamping plate (6) and a plurality of electric push rods (7), the lower end of the first clamping plate (5) is fixed on the upper surface of the second transverse plate (3) and is mutually perpendicular to the upper surface of the second transverse plate, the second clamping plate (6) is mutually parallel to the second transverse plate (3), the upper end surface of the first clamping plate (5) and the upper surface of the second clamping plate (6) are positioned in the same plane, the outer side surface of benchmark roof beam (1) is provided with a plurality of through-holes (8), the central axis of every through-hole (8) all is perpendicular with the outer side surface of benchmark roof beam (1), the quantity of a plurality of through-holes (8) is the same and one-to-one with the quantity of a plurality of electric putter (7), every electric putter (7) all are fixed at benchmark roof beam (1) rear side surface, the telescopic link of every electric putter (7) passes through-hole (8) that correspond with it after-fixing on the terminal surface of second splint (6) towards benchmark roof beam (1) one side, a side surface of first splint (5) towards second splint (6) is provided with first arc recess (9), first arc recess (9) are located the upper end of first splint (5), second arc recess (10) are provided with second arc recess (6) towards a side terminal surface of first splint (5), first arc recess (9) set up with second arc recess (10) relatively and the two enclose into one with enclosing into one jointly In the arc-shaped groove (11) for placing the reinforcing steel bar, the first arc-shaped groove (9) and the second arc-shaped groove (10) are the same in size, two ends of the sliding rod (4) are fixed to the inner side surface of the reference beam (1) through connecting plates (22) and located above the second clamping plate (6), a plurality of limiting plates (23) are arranged on the sliding rod (4), the upper end of each limiting plate (23) is fixed to the sliding rod (4) through a rotatable structure, and when the lower end of each limiting plate (23) rotates into the arc-shaped groove (11), a gap exists between each limiting plate (23) and the bottom of the first arc-shaped groove (9); the measuring assembly comprises a first infrared module (17), a second infrared module (18), a range finder (19) and a controller (24), the controller (24) is arranged on one side end face of the reference beam (1), a display screen (12), a switch button (13), a zero returning button (14), a measuring button (15) and a control button (16) for controlling the plurality of electric push rods (7) simultaneously are arranged on the controller (24), starting switches of the first infrared module (17), the second infrared module (18), the range finder (19) and the plurality of electric push rods (7) are respectively connected with the controller (24), the controller (24) is connected with an external power supply, the first infrared module (17) and the second infrared module (18) are respectively arranged on the first transverse plate (2) and can move along the length direction of the first transverse plate (2), the distance meter (19) is arranged on one side surface of the first infrared module (17) facing the second infrared module (18), when data of the distance meter (19) is zero, infrared rays emitted by the first infrared module (17) and the second infrared module (18) are respectively aligned with two positioning points before the breakage of the steel bar, and when the infrared rays emitted by the first infrared module (17) and the second infrared module (18) are respectively aligned with two positioning points after the breakage of the steel bar, the distance measured by the distance meter (19) is the elongation distance after the breakage of the steel bar.

2. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 1, wherein: rotatable structure includes sliding sleeve (20), the internal diameter of sliding sleeve (20) and the diameter phase-match of slide bar (4), and the upper end of every limiting plate (23) is fixed on the lateral wall of sliding sleeve (20), still be provided with the screw thread through-hole on the lateral wall of sliding sleeve (20), be provided with in the screw thread through-hole and push up tight screw rod (21).

3. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 2, wherein: the upper surface of the first transverse plate (2) coincides with the upper end face of the reference beam (1), and the lower surface of the second transverse plate (3) coincides with the lower end face of the reference beam (1).

4. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 3, wherein: the length of the first transverse plate (2) and the length of the second transverse plate (3) are both equal to the length of the reference beam (1).

5. A measuring device for measuring the elongation after fracture of a reinforcing bar according to claim 4, wherein: the length of the first clamping plate (5) and the length of the second clamping plate (6) are both equal to the length of the reference beam (1).

6. A measuring device for measuring the elongation after fracture of a reinforcing bar according to claim 5, wherein: each limiting plate (23) is fan-shaped, and one end, away from the sliding rod (4), of each limiting plate (23) is arc-shaped and is matched with the first arc-shaped groove (9).

7. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 6, wherein: the controller (24) is a controller (24) of a ZHHK-3C3600 model.

8. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 7, wherein: the number of the electric push rods (7) is three, and the number of the limiting plates (23) is four.

9. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 8, wherein: the distance measuring instrument (19) is a 0Q-01 type distance measuring instrument (19).

10. A measuring device for measuring a post-fracture elongation of a reinforcing bar according to claim 9, wherein: the first infrared module (17) and the second infrared module (18) are all infrared emission modules of RB-03T004 type.