CN220626071U

CN220626071U - Reinforcing steel bar repeated bending test machine capable of clamping reinforcing steel bars with different diameters

Info

Publication number: CN220626071U
Application number: CN202322241830.0U
Authority: CN
Inventors: 郭辉; 涂红明; 甘志兴
Original assignee: Hubei Dawei Engineering Technology Co ltd
Current assignee: Hubei Dawei Engineering Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-19
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a repeated bending test machine capable of clamping reinforcing steel bars with different diameters in the technical field of reinforcing steel bar bending test machines, wherein a first test die is connected to the middle part of the upper end of an operating table, a first clamping mechanism is arranged in a guide column, a portal frame is further connected to the upper end of a mounting frame, a hydraulic cylinder is connected to the middle part of the lower end of the portal frame, a second test die is connected to the output end of the hydraulic cylinder, and two sides of the second test die are respectively connected with a second clamping mechanism through mounting plates; the first bulge, the second bulge and the third bulge are arranged to repeatedly bend the steel bars, the effect of limiting the steel bars with different diameters is achieved through the guide post, the first clamping mechanism and the second clamping mechanism, and the first clamping mechanism, the second clamping mechanism, the first test die and the second test die are matched together to achieve stable bending test operation, and the bending test efficiency is high.

Description

Reinforcing steel bar repeated bending test machine capable of clamping reinforcing steel bars with different diameters

Technical Field

The utility model relates to the technical field of reinforcing steel bar bending test machines, in particular to a reinforcing steel bar repeated bending test machine capable of clamping reinforcing steel bars with different diameters.

Background

The steel bar bending test machine is special equipment for performing cold bending test and plane reverse bending test on steel bars, and is commonly applied to engineering supervision, technical quality supervision, construction industry, machinery manufacturing industry and other units, so that the service performance of the steel bars is detected through repeated bending of the steel bars.

The current steel bar bending test machine only sets up the pneumatic cylinder through the workstation top at equipment to set up extrusion piece at the tip of pneumatic cylinder and extrude the middle part of reinforcing bar, the middle part of reinforcing bar is the U font under extrusion piece's effect down removal this moment, promptly the reinforcing bar, thereby accomplishes bending test. Based on the findings of the prior art, the bending test machine is required to have the function of repeatedly bending the reinforcing steel bars in order to have a more comprehensive bending test effect when the reinforcing steel bars are subjected to bending test. The existing steel bar bending test machine has the following defects in the actual use process, such as: the repeated bending test of the reinforcing steel bar cannot be completed at one time.

Accordingly, in view of the above, an object of the present utility model is to provide a reinforcing bar bending test machine capable of clamping reinforcing bars having different diameters.

Disclosure of Invention

The utility model aims to provide a repeated bending test machine for reinforcing steel bars, which can clamp reinforcing steel bars with different diameters, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but reinforcing bar repeated bending test machine of different diameters reinforcing bar of centre gripping, includes the organism, the supporting leg is installed respectively in the lower extreme four corners of organism, the upper end of organism is equipped with the operation panel, the upper end middle part of operation panel is connected with first test mould, the upper end both sides of operation panel are connected with the mounting bracket respectively, be connected with the guide post on the mounting bracket, install first fixture in the guide post, the deflector is still installed to the inside lower extreme of guide post, the upper end of mounting bracket still is connected with the portal frame, the lower extreme middle part of portal frame is connected with the pneumatic cylinder, the output of pneumatic cylinder is connected with the second test mould, the both sides of second test mould still are connected with second fixture through the mounting panel respectively, second fixture corresponds the setting with first fixture, first test mould is located the below of second test mould.

As a further optimization of the technical scheme, the mounting frame is provided with mounting grooves for mounting the guide posts, and the guide posts are provided with a plurality of groups of long grooves at equal intervals.

As the further optimization of this technical scheme, first experimental mould still includes its upper end first protruding of connection, first protruding is fixed on first experimental mould for two sets of equidistance that set up.

As the further optimization of this technical scheme, the second is protruding is installed to the inside upper end equidistance of second test mould, a plurality of groups of third protruding are installed to the lower extreme equidistance of second test mould, the bellied quantity of second is less than the bellied quantity of third.

As the further optimization of this technical scheme, the lower extreme of second test mould still is equipped with a plurality of groups of through-holes, the through-hole corresponds the setting with second arch, first protruding position, the through-hole is circular setting and diameter is greater than first bellied diameter.

As the further optimization of this technical scheme, first fixture includes screw rod, first grip block, second grip block, the screw rod is two sets of settings and respectively spiro union in the both sides of mounting bracket, the one end of screw rod runs through to the first grip block of guide post fixed connection, the second grip block is a plurality of equidistance settings respectively fixed mounting in the inside both sides of guide post, the deflector extends to the outside of guide post.

As a further optimization of this technical scheme, second fixture includes installation piece, spring, splint, third grip block, the upper end of installation piece is connected to the lower extreme of mounting panel, the spring is two sets of settings and connects respectively in the both sides of installation piece, splint are connected in the outside of spring and the inboard lower extreme at splint is connected to the third grip block.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first bulge, the second bulge and the third bulge are arranged to repeatedly bend the steel bars through the first test die and the second test die, the effect of limiting the steel bars with different diameters is achieved through the guide post, the first clamping mechanism and the second clamping mechanism, the steel bars are not completely fixed to be broken, but are moved along with the pressing process of the middle section of the steel bars to deform, the controllability of the bending test is ensured, the first clamping mechanism, the second clamping mechanism, the first test die and the second test die are matched together to achieve stable bending test operation, the repeated bending test of the steel bars can be completed once, and the bending test efficiency is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic cross-sectional view of a guide post according to the present utility model;

FIG. 4 is a schematic structural view of a first test die and a second test die according to the present utility model;

fig. 5 is a schematic structural view of a second clamping mechanism according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a body; 2. an operation table; 3. a mounting frame; 5. a mounting plate; 6. a portal frame; 7. a hydraulic cylinder; 8. a second test die; 9. a guide post; 10. a long groove; 11. a second protrusion; 12. a screw; 13. a first test die; 14. a first protrusion; 15. a mounting groove; 16. a second clamping block; 17. a guide plate; 18. a third protrusion; 19. a third clamping block; 20. a clamping plate; 21. a spring; 22. a mounting block; 23. a first clamping block; 24. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," and the like are used for convenience in describing the present utility model and simplifying the description based on the orientation or state relationship shown in the drawings, and do not denote or imply that the mechanisms or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

as shown in fig. 1 to 5:

the utility model provides a technical scheme that: the utility model provides a but reinforcing bar bending test machine repeatedly of different diameter reinforcing bars of centre gripping, includes organism 1, the supporting leg is installed respectively in the lower extreme four corners of organism 1, the upper end of organism 1 is equipped with operation panel 2, the upper end middle part of operation panel 2 is connected with first test mould 13, the upper end both sides of operation panel 2 are connected with mounting bracket 3 respectively, be connected with guide post 9 on the mounting bracket 3, install first fixture in the guide post 9, deflector 17 is still installed to the inside lower extreme of guide post 9, the upper end of mounting bracket 3 still is connected with portal frame 6, the lower extreme middle part of portal frame 6 is connected with pneumatic cylinder 7, the output of pneumatic cylinder 7 is connected with second test mould 8, the both sides of second test mould 8 still are connected with second fixture through mounting panel 5 respectively, second fixture corresponds the setting with first fixture, first test mould 13 is located the below of second test mould 8.

By the above arrangement: the supporting leg is at the stable support organism 1 in bottom, and the first test mould 13 on the operation panel 2, the test of bending is reached to the second test mould 8, carries out the centre gripping fixedly to the reinforcing bar of different diameters through first fixture, second fixture, drives first test mould 13 through pneumatic cylinder 7 and realizes the bending acting to the reinforcing bar, and deflector 17 supports the lower extreme of reinforcing bar, and the lower extreme of deflector 17 extends to the outside of guide post 9.

In specific implementation, the mounting frame 3 is provided with a mounting groove 15 for mounting the guide post 9, and the guide post 9 is provided with a plurality of groups of long grooves 10 at equal intervals.

By the above arrangement: the long groove 10 plays a role in ventilation and heat dissipation, and the installation groove 15 is used for fixedly installing the guide post 9.

In specific implementation, the first test die 13 further includes a first protrusion 14 connected to an upper end of the first test die, and the first protrusions 14 are fixed on the first test die 13 in two groups at equal intervals.

By the above arrangement: the lower end of the reinforcing bar is bent to do work by the first protrusion 14 entering the through hole 24.

In specific implementation, the second protrusions 11 are equidistantly arranged at the upper end of the inside of the second test die 8, a plurality of groups of third protrusions 18 are equidistantly arranged at the lower end of the second test die 8, and the number of the second protrusions 11 is smaller than that of the third protrusions 18.

By the above arrangement: by the staggered arrangement of the second bulges 11 and the third bulges 18, bending work can be performed on the steel bars.

In specific implementation, the lower end of the second test die 8 is further provided with a plurality of groups of through holes 24, the through holes 24 are arranged corresponding to the positions of the second protrusions 11 and the first protrusions 14, and the through holes 24 are arranged in a circular shape and have a diameter larger than that of the first protrusions 14.

By the above arrangement: the through holes 24 are used for providing space for bending the reinforcing steel bars when the second protrusions 11 and the first protrusions 14 press the reinforcing steel bars, and repeated bending tests are performed on the reinforcing steel bars through the third protrusions 18, the second protrusions 11 and the first protrusions 14.

During implementation, the first clamping mechanism comprises a screw rod 12, a first clamping block 23 and a second clamping block 16, the screw rod 12 is arranged in two groups and is respectively in threaded connection with two sides of the mounting frame 3, one end of the screw rod 12 penetrates through the first clamping block 23 fixedly connected with the guide column 9, the second clamping block 16 is arranged in a plurality of groups at equal intervals and is respectively fixedly installed on two sides of the inside of the guide column 9, and the guide plate 17 extends to the outer side of the guide column 9.

By the above arrangement: the first clamping blocks 23 can be relatively close to the reinforcing steel bars to achieve the clamping limiting effect by rotating the screw rods 12, the distance between the first clamping blocks 23 on two sides can be adjusted by the arrangement of the screw rods 12, and the second clamping blocks 16 limit the two sides of the reinforcing steel bars.

In specific implementation, the second clamping mechanism comprises a mounting block 22, springs 21, clamping plates 20 and a third clamping block 19, wherein the upper ends of the mounting blocks 22 are connected to the lower ends of the mounting plates 5, the springs 21 are respectively connected to two sides of the mounting blocks 22 in two groups, the clamping plates 20 are connected to the outer sides of the springs 21, and the third clamping blocks 19 are connected to the inner lower ends of the clamping plates 20.

By the above arrangement: the two sides of the steel bars are clamped through the third clamping blocks 19, the space between the third clamping blocks 19 at the lower end is provided with a floating range through the springs 21, and then the steel bars with different diameters are limited and guided.

Specific use and action of the embodiment:

working principle: when the bending device is used, a steel bar to be bent is inserted into the guide post 9 on the other side from the guide post 9 on one side, the middle section of the steel bar passes through the second clamping mechanism to be limited, the middle section of the steel bar is arranged between the first test die 13 and the second test die 8, the second test die 8 drives the middle section of the steel bar to move downwards through the output of the hydraulic cylinder 7, the steel bar can bend and apply work to the lower end of the steel bar when the first bulge 14 enters the through hole 24 along with the downward movement process, the upper end of the steel bar is deformed along with the downward movement process, the function of bending the steel bar is achieved, the effect of limiting the steel bar with different diameters is achieved through the guide post 9, the first clamping mechanism and the second clamping mechanism, the steel bar is not completely fixed, the breakage is caused, and the setting of the first bulge 14, the second bulge 11 and the third bulge 18 plays a role of repeatedly bending the steel bar along with the downward pressing process.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but reinforcing bar bending test machine repeatedly of different diameter reinforcing bars of centre gripping, includes organism (1), supporting leg is installed respectively in the lower extreme four corners of organism (1), the upper end of organism (1) is equipped with operation panel (2), its characterized in that: the upper end middle part of operation panel (2) is connected with first test mould (13), the upper end both sides of operation panel (2) are connected with mounting bracket (3) respectively, be connected with guide post (9) on mounting bracket (3), install first fixture in guide post (9), deflector (17) are still installed to the inside lower extreme of guide post (9), the upper end of mounting bracket (3) still is connected with portal frame (6), the lower extreme middle part of portal frame (6) is connected with pneumatic cylinder (7), the output of pneumatic cylinder (7) is connected with second test mould (8), the both sides of second test mould (8) still are connected with second fixture through mounting panel (5) respectively, second fixture corresponds the setting with first fixture, first test mould (13) are located the below of second test mould (8).

2. The machine for repeatedly bending steel bars capable of clamping steel bars with different diameters according to claim 1, wherein the machine comprises the following components: the mounting frame (3) is provided with mounting grooves (15) for mounting the guide posts (9), and the guide posts (9) are provided with a plurality of groups of long grooves (10) at equal intervals.

3. The machine for repeatedly bending steel bars capable of clamping steel bars with different diameters according to claim 1, wherein the machine comprises the following components: the first test die (13) further comprises first bulges (14) connected with the upper ends of the first test die, and the first bulges (14) are equidistantly fixed on the first test die (13) for two groups.

4. A machine for testing repeated bending of reinforcing bars capable of clamping reinforcing bars of different diameters according to claim 3, characterized in that: second protruding (11) are installed to inside upper end equidistance of second test mould (8), a plurality of groups of third protruding (18) are installed to the lower extreme equidistance of second test mould (8), the quantity of second protruding (11) is less than the quantity of third protruding (18).

5. The machine for repeated bending test of reinforcing steel bars capable of clamping reinforcing steel bars with different diameters according to claim 4, wherein: the lower extreme of second test mould (8) still is equipped with a plurality of groups of through-holes (24), through-hole (24) and second protruding (11), first protruding (14) position correspond the setting, through-hole (24) are circular setting and diameter is greater than the diameter of first protruding (14).

6. The machine for repeatedly bending steel bars capable of clamping steel bars with different diameters according to claim 1, wherein the machine comprises the following components: the first clamping mechanism comprises a screw (12), a first clamping block (23) and a second clamping block (16), wherein the screw (12) is arranged in two groups and is respectively connected with two sides of the mounting frame (3) in a threaded mode, one end of the screw (12) penetrates through the first clamping block (23) fixedly connected with the guide column (9), the second clamping block (16) is fixedly arranged on two sides of the inside of the guide column (9) for a plurality of groups of equidistant settings, and the guide plate (17) extends to the outer side of the guide column (9).

7. The machine for repeatedly bending steel bars capable of clamping steel bars with different diameters according to claim 1, wherein the machine comprises the following components: the second clamping mechanism comprises a mounting block (22), springs (21), clamping plates (20) and a third clamping block (19), wherein the upper ends of the mounting block (22) are connected to the lower ends of the mounting plates (5), the springs (21) are respectively connected to two sides of the mounting block (22) in two groups, and the clamping plates (20) are connected to the outer sides of the springs (21) and the third clamping block (19) is connected to the lower ends of the inner sides of the clamping plates (20).