CN218239672U

CN218239672U - Repeated bending tester for reinforcing steel bars

Info

Publication number: CN218239672U
Application number: CN202222019396.7U
Authority: CN
Inventors: 黄晓军; 刘建飞; 范备战; 张林杰; 周恩福; 徐翠媛; 叶辉; 杨军; 王现单
Original assignee: Lishui Hengli Civil Engineering Test Co ltd
Current assignee: Lishui Hengli Civil Engineering Test Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-06
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a reinforcing bar repeated bending test machine, including the organism, the pneumatic cylinder is installed through the mounting bracket in the upper end of organism, and the output of pneumatic cylinder extends to the inside of mounting bracket and is fixed with the holding frame, and first gyro wheel is all installed through the axis of rotation at the inboard both ends of mounting bracket. In this scheme use, after the reinforcing bar downwarping, when needing the kickup, along with the removal of pneumatic cylinder output, make the reinforcing bar become a style of calligraphy from the U font gradually, and finally be the font of falling U, the reinforcing bar just kickup is accomplished this moment, from this through the setting of first gyro wheel and second gyro wheel, can be continuous carry out bending test repeatedly to the reinforcing bar, traditional testing machine has been avoided promptly when using, can't carry out continuous test's phenomenon to the reinforcing bar, when carrying out the bending to the reinforcing bar through the testing machine promptly, need not the manual upset to the reinforcing bar of operating personnel, thereby it is safer when making personnel operate the machine.

Description

Repeated bending tester for reinforcing steel bars

Technical Field

The utility model relates to a crooked experiment technical field of reinforcing bar especially relates to a reinforcing bar machine of bending repeatedly.

Background

The steel bar bending tester is special equipment for performing cold bending test and plane reverse bending test on steel bars, and is often applied to units such as engineering supervision, technical quality supervision, building construction industry, mechanical manufacturing industry and the like, so that the service performance of the steel bars is detected by repeatedly bending the steel bars.

Current reinforcing bar bending test machine because its structure is crude, only sets up the pneumatic cylinder promptly through the workstation top at equipment to set up the extrusion piece at the tip of pneumatic cylinder, and the both ends of workstation set up the gyro wheel, and the reinforcing bar is then placed the upside at two gyro wheels, and then the pneumatic cylinder extrudees the middle part of reinforcing bar through the extrusion piece, and the middle part of reinforcing bar moves down under the effect of extrusion piece this moment, and the reinforcing bar is the U font promptly, thereby accomplishes the bending test.

However, in the above-mentioned steel bar bending tester, the two ends of the workbench are only used for placing the steel bars through the two rollers, so that the equipment cannot automatically turn over the steel bars, that is, when the steel bars pass through the equipment for bending test, the steel bars can be reversely bent only by manually turning over the steel bars after being bent by personnel, and thus the equipment cannot continuously perform repeated bending test; therefore, in order to solve the above technical problems, we propose a repeated bending tester for steel bars.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a repeated bending tester for reinforcing steel bars.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a reinforcing bar repeated bending test machine, includes the organism, the pneumatic cylinder is installed through the mounting bracket in the upper end of organism, and the output of pneumatic cylinder extends to the inside of mounting bracket and is fixed with the holding frame, and first gyro wheel is all installed through the axis of rotation at the inboard both ends of mounting bracket, and the both ends of axis of rotation are connected with the dwang through the linkage subassembly, and the middle part of dwang corresponds first gyro wheel and rotates and install matched with second gyro wheel.

Preferably, the linkage assembly comprises a rotating block, a fixing block and quick-release bolts, the rotating block is mounted at two ends of the rotating shaft through bearings, the fixing block is fixed at the end portions of two ends of the rotating rod, and the rotating block is connected with the fixing block through the quick-release bolts.

Preferably, the first limiting frame is arranged on the rod body of the rotating shaft and on two sides of the first roller, the second limiting frame matched with the first limiting frame is clamped on the rod body of the rotating rod corresponding to the first limiting frame, and the first limiting frame and the second limiting frame are connected through a threaded rod.

Preferably, the both ends of threaded rod are equipped with screw thread and revolve to opposite, and the inboard of first spacing frame and the spacing frame of second is inlayed and is had the ball, and first spacing frame contacts with adjacent axis of rotation and dwang respectively through the ball with the spacing frame of second.

Preferably, the rotating shaft is located and is fixed with the steadying plate on the body of rod between turning block and the first spacing, and the lower extreme of steadying plate is fixed with the support frame jointly, and the lower extreme of support frame is fixed in the inboard of mounting bracket.

Preferably, the mounting plate is fixed on the upper side and the lower side of the rear side of the mounting frame, and the surface of the plate body of the mounting plate is provided with a counter matched with the clamping frame.

Preferably, the inner side of the clamping frame is provided with a circular arc-shaped placing groove, and the placing groove is in a high-side low-side state in the middle.

The utility model provides a reinforcing bar repeated bending test machine, beneficial effect is in:

1. in this scheme use, when needs carry out the downwarping to the reinforcing bar, the output of pneumatic cylinder carries out the application of force through the middle part of holding frame to the reinforcing bar, along with the downstream of holding frame promptly, make synchronous downstream behind the middle part atress of reinforcing bar, finally when the reinforcing bar is approximate U font, just accomplished the bending to the reinforcing bar, and at this in-process, because the upside surface at the both ends of reinforcing bar receives the centre gripping of second gyro wheel, and second gyro wheel and dwang are articulated through linkage subassembly and axis of rotation, when the reinforcing bar is crooked promptly, the second gyro wheel can be when providing the centre gripping effect to the reinforcing bar, can accompany the perk of reinforcing bar tip and rotate, thereby can not lead to the fact the influence to the bending of reinforcing bar.

2. In this scheme use, after the reinforcing bar downwarping, when needing the kickup, the output of pneumatic cylinder upwards resets, the middle part rebound that the output of pneumatic cylinder passes through the holding frame and drives the reinforcing bar promptly, from this along with the removal of pneumatic cylinder output, make the reinforcing bar become a style of calligraphy from the U font gradually, and finally be the font of falling U, the reinforcing bar just kickup completion this moment, and at this in-process, the tip of reinforcing bar becomes downward perk from upwards perk, the second gyro wheel carries out corresponding rotation along with the perk of reinforcing bar tip simultaneously, make this scheme in the use from this, setting through first gyro wheel and second gyro wheel, can be continuous carry out the bending test repeatedly to the reinforcing bar, traditional testing machine has been avoided when using, can't carry out the phenomenon of continuous test to the reinforcing bar, when carrying out the bending through the testing machine promptly, need not the manual reinforcing bar that overturns of operating personnel, thereby it is safer when making personnel handle the machine.

Drawings

Fig. 1 is an isometric view of a repeated bending tester for reinforcing steel bars, which is provided by the utility model;

fig. 2 is a schematic structural view of a repeated bending tester for steel bars provided by the present invention;

fig. 3 is a schematic view of a repeated bending tester for steel bars according to the present invention showing the downward bending of the steel bars;

fig. 4 is a schematic view of the upward bending of the steel bar of the repeated bending tester for steel bars of the present invention;

fig. 5 is a schematic view of a ball of a repeated bending tester for steel bars provided by the present invention;

fig. 6 is the utility model provides a holding frame schematic diagram of reinforcing bar bending test machine repeatedly.

In the figure: 1. a body; 2. a mounting frame; 3. a hydraulic cylinder; 4. a clamping frame; 5. a rotating shaft; 6. a first roller; 7. rotating the rod; 8. a second roller; 9. rotating the block; 10. a fixed block; 11. a quick release bolt; 12. a first limit bracket; 13. a second limiting frame; 14. a threaded rod; 15. a ball bearing; 16. a stabilizing plate; 17. a support frame; 18. a counter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-6, a repeated bending test machine for reinforcing steel bars, including organism 1, pneumatic cylinder 3 is installed through mounting bracket 2 in the upper end of organism 1, the output of pneumatic cylinder 3 extends to the inside of mounting bracket 2 and is fixed with holding frame 4, 2 inboard both ends of mounting bracket all are fixed with axis of rotation 5, and install first gyro wheel 6 on the body of rod of axis of rotation 5, the both ends of axis of rotation 5 are connected with dwang 7 through the linkage subassembly, the rotation of the middle part of dwang 7 installs second gyro wheel 8, and second gyro wheel 8 cooperatees with first gyro wheel 6.

The linkage subassembly includes turning block 9, fixed block 10 and quick detach bolt 11, turning block 9 passes through the bearing and installs the both ends at axis of rotation 5, the tip at dwang 7 both ends is fixed to fixed block 10, and be connected through quick detach bolt 11 between turning block 9 and the fixed block 10, first spacing 12 has been seted up on the body of rod of axis of rotation 5 and the both sides of first gyro wheel 6, it is equipped with the spacing 13 of matched with second to correspond first spacing 12 card on the body of rod of dwang 7, and be connected through threaded rod 14 between first spacing 12 and the spacing 13 of second, setting through the linkage subassembly, not only can carry on spacingly to dwang 7, drag dwang 7 and second gyro wheel 8 through the linkage subassembly promptly, thereby carry out the centre gripping to the reinforcing bar, and carrying out the in-process of centre gripping to the reinforcing bar, can not influence the bending test of reinforcing bar.

The both ends of threaded rod 14 are equipped with screw thread and revolve to opposite, and ball 15 has been inlayed to the inboard of first spacing 12 and the spacing 13 of second, and first spacing 12 contacts with adjacent axis of rotation 5 and dwang 7 respectively through ball 15 with the spacing 13 of second, because the both ends screw thread of threaded rod 14 revolves to opposite for when personnel rotate threaded rod 14 through the handle, can be convenient while drag first spacing 12 and the spacing 13 of second.

The axis of rotation 5 is located and is fixed with steadying plate 16 on the body of rod between turning block 9 and the first spacing 12, steadying plate 16's lower extreme is fixed with support frame 17 jointly, and support frame 17's lower extreme is fixed at the inboard of mounting bracket 2, the upper and lower both sides of mounting bracket 2 rear side are fixed with the mounting panel, the plate body surface of mounting panel corresponds holding frame 4 and is equipped with matched with counter 18, holding frame 4's inboard is equipped with convex standing groove, and the standing groove is the high both sides low-state in middle part, setting through counter 18, number of times when can being crooked to the reinforcing bar is counted, thereby be favorable to detecting the reinforcing bar number of times of buckling.

The use principle and the advantages are as follows: the utility model discloses in the use, insert the reinforcing bar and establish the inside of holding frame 4, and place the both ends of reinforcing bar between first gyro wheel 6 and second gyro wheel 8, and fix dwang 7 through quick detach bolt 11, along with the tightening of quick detach bolt 11 promptly, fixed block 10 drives second gyro wheel 8 through dwang 7 and removes to first gyro wheel 6, until final reinforcing bar by first gyro wheel 6 and 8 centre grippings of second gyro wheel, personnel alright carry out the bending to the reinforcing bar through pneumatic cylinder 3 this moment.

Further in this scheme use, when needs carry out the downwarping to the reinforcing bar, the output of pneumatic cylinder 3 carries out the application of force through clamping frame 4 to the middle part of reinforcing bar, along with the downstream of clamping frame 4 promptly, make the synchronous downstream after the middle part atress of reinforcing bar, again because the both ends of reinforcing bar are by first gyro wheel 6 and the centre gripping of second gyro wheel 8, when making reinforcing bar middle part downstream, the both ends of girder steel receive blockking of first gyro wheel 6, thereby make the perk that makes progress of reinforcing bar both ends, finally when the reinforcing bar is approximate U font, just accomplished the bending to the reinforcing bar, and at this in-process, because the upside surface at the both ends of reinforcing bar receives the centre gripping of second gyro wheel 8, and second gyro wheel 8 and dwang 7 are articulated with axis of rotation 5 through the linkage subassembly, when the reinforcing bar is crooked, second gyro wheel 8 can be when providing the centre gripping effect to the reinforcing bar, can accompany the perk of reinforcing bar tip and rotate, thereby can not cause the influence to the crooked of reinforcing bar.

Further in this scheme use, after the reinforcing bar downwarping, when needing the kickup, the output of pneumatic cylinder 3 upwards resets, the middle part rebound that the output of pneumatic cylinder 3 passed through holding frame 4 and drove the reinforcing bar, from this along with the removal of the 3 output of pneumatic cylinder, make the reinforcing bar become a style of calligraphy from the U font gradually, and finally be the font of falling U, the reinforcing bar just kickup at this moment is accomplished, and at this in-process, the tip of reinforcing bar becomes downward perk from the perk that makes progress, second gyro wheel 8 carries out corresponding rotation along with the perk of reinforcing bar tip simultaneously, make this scheme in the use from this, through the setting of first gyro wheel 6 and second gyro wheel 8, can be continuous carry out the bending test to the reinforcing bar repeatedly, traditional testing machine when using has been avoided, can't carry out the phenomenon of continuous test to the reinforcing bar, when bending to the reinforcing bar through the testing machine, need not the manual reinforcing bar of operating personnel and overturn, thereby it is safer when making personnel operate the machine.

Simultaneously in this scheme use, can establish first spacing 12 and the spacing 13 card of second on the body of rod of adjacent axis of rotation 5 and dwang 7, and lock through threaded rod 14, thereby when making the reinforcing bar kickup, share the effort that dwang 7 received through first spacing 12 and the spacing 13 of second, be favorable to keeping the normal decay of dwang 7 life promptly, and when the reinforcing bar is crooked down, accessible stabilizer plate 16 and support frame 17 carry out the auxiliary stay in order to share load to axis of rotation 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a reinforcing bar repeated bending test machine, includes organism (1), its characterized in that, pneumatic cylinder (3) are installed through mounting bracket (2) to the upper end of organism (1), and the output of pneumatic cylinder (3) extends to the inside of mounting bracket (2) and is fixed with holding frame (4), and first gyro wheel (6) are all installed through axis of rotation (5) at the both ends of mounting bracket (2) inboard, and the both ends of axis of rotation (5) are connected with dwang (7) through the linkage subassembly, and the middle part of dwang (7) corresponds first gyro wheel (6) and rotates and install matched with second gyro wheel (8).

2. The repeated bending tester for steel bars according to claim 1, characterized in that the linkage assembly comprises a rotating block (9), a fixed block (10) and quick-release bolts (11), the rotating block (9) is installed at two ends of the rotating shaft (5) through bearings, the fixed block (10) is fixed at the end parts of two ends of the rotating rod (7), and the rotating block (9) and the fixed block (10) are connected through the quick-release bolts (11).

3. The repeated bending tester for steel bars according to claim 2, characterized in that the body of the rotating shaft (5) and the two sides of the first roller (6) are provided with first limiting frames (12), the body of the rotating rod (7) is provided with second limiting frames (13) corresponding to the first limiting frames (12), and the first limiting frames (12) and the second limiting frames (13) are connected through threaded rods (14).

4. The repeated bending tester for the reinforcing steel bars as claimed in claim 3, characterized in that the two ends of the threaded rod (14) are provided with threads with opposite thread directions, the inner sides of the first limiting frame (12) and the second limiting frame (13) are inlaid with balls (15), and the first limiting frame (12) and the second limiting frame (13) are respectively contacted with the adjacent rotating shaft (5) and rotating rod (7) through the balls (15).

5. The repeated bending tester for steel bars according to claim 4, characterized in that the rotating shaft (5) is fixed with a stabilizing plate (16) on the rod body between the rotating block (9) and the first limiting frame (12), the lower ends of the stabilizing plate (16) are jointly fixed with a supporting frame (17), and the lower ends of the supporting frame (17) are fixed on the inner side of the mounting frame (2).

6. The repeated bending tester for steel bars according to claim 1 is characterized in that mounting plates are fixed on the upper and lower sides of the rear side of the mounting frame (2), and the plate body surfaces of the mounting plates are provided with matched counters (18) corresponding to the clamping frames (4).

7. The repeated bending tester for steel bars according to claim 1, characterized in that the inner side of the clamping frame (4) is provided with a circular arc-shaped placing groove, and the placing groove is in a state that the middle part is high and the two sides are low.