CN216449352U

CN216449352U - Rebar reverse bending tester

Info

Publication number: CN216449352U
Application number: CN202122972245.9U
Authority: CN
Inventors: 邓亚庆; 李敏聪; 叶衬容
Original assignee: Dongguan Zhongming Construction Technology Co ltd
Current assignee: Dongguan Zhongming Construction Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-06
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a reverse bending tester for a reinforcing steel bar, which comprises a base, wherein a sliding groove is formed in the base, a sliding block is arranged in the sliding groove, a supporting column is fixed at the top of the sliding block, a clamping device is arranged at the top of the supporting column, supporting plates are fixed at two ends of the base, a cross beam is arranged at the top of the supporting plates, a bending device is arranged at the bottom of the cross beam, the sliding block can conveniently slide by virtue of a arranged sliding rod, the sliding block can be prevented from being clamped by virtue of a roller, the clamping devices on the two supporting columns can be closed by virtue of an electric telescopic rod, the bending angle of the reinforcing steel bar can be improved, the reinforcing steel bar between an upper clamping block and a lower clamping block can be clamped by virtue of a rotating threaded rod, the arranged vertical plate can be used for preventing the reinforcing steel bar from being bent to the side edge, and the arranged limiting plate can be used for preventing the reinforcing steel bar from falling off when the reinforcing steel bar is bent.

Description

Rebar reverse bending tester

Technical Field

The utility model relates to the technical field of measuring equipment, in particular to a reverse bending tester for a reinforcing steel bar.

Background

The steel bars refer to steel materials for reinforced concrete and prestressed reinforced concrete, and after the steel bars are produced, the steel bars need to be sampled to carry out tensile force and bending test work so as to test the mechanical properties of forward and reverse bending of various steel bars.

At present, when the steel bar is subjected to tension and bending tests, the fixing effect of a piece to be tested is poor, so that the phenomenon of shaking or displacement is easy to occur in the test process, and the normal operation of the test work is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reverse bending tester for a steel bar, which solves the problem that the steel bar is easy to shake or displace in the testing process.

In order to achieve the purpose, the utility model provides the following technical scheme: a reverse bend tester for steel bars, comprising: the base, be provided with the spout in the base, install the slider in the spout, the top of slider is fixed with the support column, clamping device is installed at the top of support column, the both ends of base are fixed with the backup pad, the crossbeam is installed at the top of backup pad, the device of bending is installed to the bottom of crossbeam.

Preferably, the centre of base is provided with the fixed block, the top of fixed block is provided with the riser, and the fixed block setting is in the centre of base and at the fixed riser in top, and the riser is two middles in addition and can prevent to the side crooked when the reinforcing bar is crooked for empty.

Preferably, be provided with the slide bar between fixed block and the base, install the slider on the slide bar, the bottom of slider is provided with the gyro wheel, can make the slider conveniently slide through the slide bar that sets up, and the gyro wheel that the slider set up can prevent that the slider from sliding the card and dying moreover.

Preferably, install electric telescopic handle in the backup pad, electric telescopic handle and tip and support column installation can make clamping device on two support columns be close to through the electric telescopic handle who sets up to can improve the bend angle of reinforcing bar.

Preferably, clamping device is last to be provided with down clamp splice movable mounting at the top of support column, the clamp splice is installed through the threaded rod in the top of clamp splice down, all be provided with arc wall and thread groove on going up clamp splice and the lower clamp splice, during the thread groove was installed through the screw thread mode to the threaded rod, can make the reinforcing bar between clamp splice and the lower clamp splice press from both sides tightly through rotating the threaded rod, and the arc wall that sets up can increase the tight area of contact of clamp of reinforcing bar and improve the clamp force.

Preferably, be provided with the hydraulic stem on the device of bending and press and fix the bottom at the crossbeam, the briquetting is installed to the bottom of hydraulic stem, the both sides of briquetting are provided with the limiting plate, can drive the briquetting through control hydraulic stem and compress tightly reinforcing bar test bend angle downwards, and the limiting plate that sets up moreover can prevent that the reinforcing bar from droing when being crooked.

Preferably, be provided with the arc bayonet socket in the briquetting, crooked test instrument is installed at the top of arc bayonet socket, can make the reinforcing bar by the chucking in the briquetting through the arc bayonet socket that sets up, then through the crooked test instrument automatic measure bending angle who sets up.

Compared with the prior art, the utility model has the beneficial effects that:

1. the sliding rod can enable the sliding block to conveniently slide, the roller wheels arranged on the sliding block can prevent the sliding block from being blocked, and the clamping devices on the two supporting columns can be close to each other through the arranged electric telescopic rods, so that the bending angle of the steel bar can be improved.

2. The steel bar clamping device can clamp the steel bar between the upper clamping block and the lower clamping block by rotating the threaded rod, and the arranged arc-shaped groove can increase the clamping contact area of the steel bar and improve the clamping force.

3. The vertical plate can prevent the steel bar from bending towards the side edge when being bent, the limiting plate can prevent the steel bar from falling off when being bent, the steel bar can be clamped in the pressing block through the arc-shaped bayonet, and then the bending angle is automatically measured through the arranged bending test instrument.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side cross-sectional view of the clamping device of the present invention;

FIG. 3 is a side cross-sectional view of the crimping apparatus of the present invention;

in the figure: 1. a base; 2. a chute; 3. a fixed block; 4. a slide bar; 5. a slider; 6. a roller; 7. a vertical plate; 8. a support plate; 9. an electric telescopic rod; 10. a support pillar; 11. a clamping device; 12. an upper clamping block; 13. a lower clamping block; 14. an arc-shaped slot; 15. a threaded rod; 16. a thread groove; 17. a cross beam; 18. a hydraulic lever; 19. a bending and pressing device; 20. briquetting; 21. a limiting plate; 22. bending the test instrument; 23. an arc-shaped bayonet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, there is shown a reverse bending tester for a reinforcing bar, comprising: base 1 is provided with spout 2 in the base 1, installs slider 5 in the spout 2, and slider 5's top is fixed with support column 10, and clamping device 11 is installed at support column 10's top, and base 1's both ends are fixed with backup pad 8, and crossbeam 17 is installed at backup pad 8's top, and device 19 is bent to the bottom of crossbeam 17.

In order to enable the sliding block 5 to stably slide, a sliding rod 4 is arranged between the fixed block 3 and the base 1, the sliding block 5 is installed on the sliding rod 4, a roller 6 is arranged at the bottom of the sliding block 5, the sliding block 5 can conveniently slide through the arranged sliding rod 4, and the roller 6 arranged on the sliding block 5 can prevent the sliding block 5 from being blocked.

Simultaneously in order to make things convenient for to reinforcing bar bending angle, install electric telescopic handle 9 in the backup pad 8, electric telescopic handle 9 and tip and support column 10 installation can make clamping device 11 on two support columns 10 be close to through the electric telescopic handle 9 that sets up to can improve the bending angle of reinforcing bar.

In this embodiment, slide bar 4 through setting up can make slider 5 conveniently slide, and the gyro wheel 6 that slider 5 set up can prevent that slider 5 from sliding the card and dying moreover, crosses the clamping device 11 that sets up that electric telescopic handle 9 can make on two support columns 10 to be close to can improve the bend angle of reinforcing bar.

Example 2

Referring to fig. 1 and 2, this embodiment further illustrates example 1, in which a reverse bending tester for a reinforcing bar includes: base 1 is provided with spout 2 in the base 1, installs slider 5 in the spout 2, and slider 5's top is fixed with support column 10, and clamping device 11 is installed at support column 10's top, and base 1's both ends are fixed with backup pad 8, and crossbeam 17 is installed at backup pad 8's top, and device 19 is bent to the bottom of crossbeam 17.

In order to clamp the steel bars conveniently, the clamping device 11 is provided with a lower clamping block 13 movably mounted at the top of the support column 10, the top of the lower clamping block 13 is provided with an upper clamping block 12 through a threaded rod 15, the upper clamping block 12 and the lower clamping block 13 are both provided with an arc-shaped groove 14 and a threaded groove 16, the threaded rod 15 is mounted in the threaded groove 16 in a threaded mode, the steel bars between the upper clamping block 12 and the lower clamping block 13 can be clamped by rotating the threaded rod 15, and the arranged arc-shaped grooves 14 can increase the clamping contact area of the steel bars and improve the clamping force.

In this embodiment, the threaded rod 15 is rotated to clamp the steel bar between the upper clamping block 12 and the lower clamping block 13, and the arc-shaped groove 14 is arranged to increase the clamping contact area of the steel bar and improve the clamping force.

Example 3

Referring to fig. 1 and 3, this embodiment further illustrates another embodiment of a reverse bending tester for steel bars, including: base 1 is provided with spout 2 in the base 1, installs slider 5 in the spout 2, and slider 5's top is fixed with support column 10, and clamping device 11 is installed at support column 10's top, and base 1's both ends are fixed with backup pad 8, and crossbeam 17 is installed at backup pad 8's top, and device 19 is bent to the bottom of crossbeam 17.

In order to prevent the bending reinforcing bar case side bending, the centre of base 1 is provided with fixed block 3, the top of fixed block 3 is provided with riser 7, fixed block 3 sets up in the centre of base 1 and at the fixed riser 7 in top, and riser 7 is empty when preventing the reinforcing bar bending for two centres, it fixes the bottom at crossbeam 17 to be provided with hydraulic stem 18 on the bending device 19, briquetting 20 is installed to hydraulic stem 18's bottom, briquetting 20's both sides are provided with limiting plate 21, can drive briquetting 20 through control hydraulic stem 18 and compress tightly reinforcing bar test bending angle downwards, and the limiting plate 21 of setting can prevent that the reinforcing bar from droing when being crooked.

Meanwhile, in order to obtain measurement data conveniently, an arc-shaped bayonet 23 is arranged in the pressing block 20, a bending test instrument 22 is installed at the top of the arc-shaped bayonet 23, the reinforcing steel bar can be clamped in the pressing block 20 through the arranged arc-shaped bayonet 23, and then the bending angle is automatically measured through the arranged bending test instrument 22.

In this embodiment, the riser 7 of setting can prevent to the side bending when the reinforcing bar is crooked, and the limiting plate 21 of setting can prevent that the reinforcing bar from droing when being crooked, can make the reinforcing bar by the chucking in briquetting 20 through the arc bayonet 23 that sets up, then through the crooked testing instrument 22 automatic measure bending angle who sets up.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 reverse bending tester of reinforcing bar which characterized in that includes:

base (1), be provided with spout (2) in base (1), install slider (5) in spout (2), the top of slider (5) is fixed with support column (10), clamping device (11) are installed at the top of support column (10), the both ends of base (1) are fixed with backup pad (8), crossbeam (17) are installed at the top of backup pad (8), device (19) are pressed to the bending is installed to the bottom of crossbeam (17).

2. The reverse bending tester for reinforcing steel bars according to claim 1, which is characterized in that: the middle of the base (1) is provided with a fixed block (3), and the top of the fixed block (3) is provided with a vertical plate (7).

3. The reverse bending tester for reinforcing steel bars according to claim 2, which is characterized in that: a sliding rod (4) is arranged between the fixed block (3) and the base (1), a sliding block (5) is installed on the sliding rod (4), and rollers (6) are arranged at the bottom of the sliding block (5).

4. The reverse bending tester for reinforcing steel bars according to claim 1, which is characterized in that: install electric telescopic handle (9) on backup pad (8), electric telescopic handle (9) and tip and support column (10) installation.

5. The reverse bending tester for reinforcing steel bars according to claim 1, which is characterized in that: the clamping device (11) is provided with a lower clamping block (13) which is movably arranged at the top of the supporting column (10), the top of the lower clamping block (13) is provided with an upper clamping block (12) through a threaded rod (15), and the upper clamping block (12) and the lower clamping block (13) are both provided with an arc-shaped groove (14) and a threaded groove (16).

6. The reverse bending tester for reinforcing steel bars according to claim 1, which is characterized in that: the bending and pressing device (19) is provided with a hydraulic rod (18) fixed to the bottom of the cross beam (17), a pressing block (20) is installed at the bottom of the hydraulic rod (18), and limiting plates (21) are arranged on two sides of the pressing block (20).

7. The reverse bending tester for reinforcing steel bars according to claim 6, which is characterized in that: an arc-shaped bayonet (23) is arranged in the pressing block (20), and a bending test instrument (22) is installed at the top of the arc-shaped bayonet (23).