CN215677833U - Reinforcing steel bar bending test fixture - Google Patents

Reinforcing steel bar bending test fixture Download PDF

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Publication number
CN215677833U
CN215677833U CN202122256187.XU CN202122256187U CN215677833U CN 215677833 U CN215677833 U CN 215677833U CN 202122256187 U CN202122256187 U CN 202122256187U CN 215677833 U CN215677833 U CN 215677833U
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frame
guide rail
bending test
base
guide
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CN202122256187.XU
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Chinese (zh)
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叶剑飞
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Lishui Huaxin Engineering Testing Technology Co ltd
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Lishui Huaxin Engineering Testing Technology Co ltd
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Abstract

The utility model relates to the technical field of steel bar detection equipment, in particular to a steel bar bending test clamp. It comprises a base and a clamping main body; the base is provided with an adjusting component, the two groups of supporting frames are arranged on the adjusting component, and the supporting frames are provided with rotating shafts; the clamping main body is rotatably arranged on the supporting frame through a rotating shaft; the guide rail is arranged on the rotating shaft, and two groups of parallel guide grooves are formed in the guide rail; the fixing frame is arranged on the guide rail in a sliding manner, and the lower pressing wheel is arranged on the fixing frame in a rotating manner; the pulley is arranged at the bottom of the fixed frame and extends into the guide groove to abut against the guide rail; the guide rod is arranged on the fixed frame, the movable frame is arranged on the guide rod in a sliding mode, and the upper pressing wheel is arranged on the movable frame in a rotating mode; the fixed plate is arranged on the guide rod and positioned above the movable frame, and the adjusting screw is rotatably arranged on the movable frame and is in threaded connection with the fixed plate. The utility model has more accurate detection result and more stable support frame; the reinforcing steel bars of different models can be fixed, and the practical range is wide.

Description

Reinforcing steel bar bending test fixture
Technical Field
The utility model relates to the technical field of steel bar detection equipment, in particular to a steel bar bending test clamp.
Background
The reinforcing bar test device is a fixing tool for detecting the performance of the reinforcing bar, and has wide application in the detection industry. In the existing reinforcing steel bar testing device, the fixing of a reinforcing steel bar clamp is very inconvenient, namely, the fixing of the reinforcing steel bar testing device has limitation, only a certain part or direction can be fixed, and a lot of inconvenience is brought to an inspector.
The prior Chinese patent application No. CN202021301843.2 discloses a hot ribbon rib steel bar bending test device, which can carry out a cold bending test and a reverse bending test on a steel bar according to test regulations, thereby enlarging the application range, and adjusting the distance between two connecting platforms according to the length of the steel bar when the steel bar is subjected to the bending test, so that the test requirements of the steel bar can be more conveniently met; the reinforcing steel bar sample can be fixed through the reinforcing steel bar hole formed in the clamp, so that the contact between a test and the limbs of an operator is avoided, the safety in the test process is effectively improved, the limiting groove can be used for limiting and clamping the edge rib of the hot-rolled ribbed reinforcing steel bar, and the stability of the reinforcing steel bar in the test process is further improved; the main body of the clamp is arranged in the second sliding groove in a sliding mode, so that the steel bar sample can be conveniently taken out after the test is finished; however, when a bending test is performed, the first sliding block abuts against the sliding seat due to the pressure on the steel bar, so that a large friction force is generated, the detection result is easily influenced, and the detection result is not accurate enough; the first connecting table and the second connecting table are connected with the slide way in a sliding manner, so that the working is not stable enough; the reinforcing steel bars of different models cannot be fixed, and the practical range is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel bar bending test fixture which is accurate in detection result, more stable in support frame and wide in practical range aiming at the problems in the background technology.
The technical scheme of the utility model is as follows: a steel bar bending test clamp comprises a base and a clamping main body;
the base is provided with an adjusting component, the two groups of supporting frames are arranged on the adjusting component, and the supporting frames are provided with rotating shafts; the clamping main body is rotatably arranged on the supporting frame through a rotating shaft; the clamping main body comprises a guide rail, a pulley, a fixed frame, a movable frame, a lower pressing wheel, an upper pressing wheel, a guide rod, a fixed plate and an adjusting screw; the guide rail is arranged on the rotating shaft, and two groups of parallel guide grooves are formed in the guide rail; the fixing frame is arranged on the guide rail in a sliding manner, and the lower pressing wheel is arranged on the fixing frame in a rotating manner; the pulley is arranged at the bottom of the fixed frame and extends into the guide groove to abut against the guide rail; the guide rod is arranged on the fixed frame, the movable frame is arranged on the guide rod in a sliding mode, and the upper pressing wheel is arranged on the movable frame in a rotating mode; the fixed plate is arranged on the guide rod and positioned above the movable frame, and the adjusting screw is rotatably arranged on the movable frame and is in threaded connection with the fixed plate.
Preferably, the adjusting component comprises a sliding block, a fixed block, a bidirectional threaded rod and a supporting frame; the slider slides and sets up on the base, and two-way threaded rod rotates and sets up on the base and with slider threaded connection, and the fixed block setting is rotated with two-way threaded rod and is connected on the base.
Preferably, the number of the sliding blocks is two, and the two groups of the sliding blocks are respectively positioned on two sides of the fixed block.
Preferably, the device also comprises a rocking handle; the rocking handle sets up on the two-way threaded rod and is located the periphery of base, and rocking handle and two-way threaded rod are for dismantling the connection.
Preferably, the guide rail is provided with a stopper for preventing the pulley from being separated from the guide rail.
Preferably, the number of the pulleys is four, and two pulleys are positioned in the guide groove.
Preferably, the adjusting screw is provided with an inner hexagonal groove.
Preferably, the bottom of the base is provided with a plurality of groups of supporting legs, and the supporting legs are provided with non-slip mats.
Compared with the prior art, the utility model has the following beneficial technical effects: the rocking handle is used for rotating the bidirectional threaded rod to drive the two groups of sliding blocks to move on the base, the two groups of supporting frames are close to or far away from each other to be matched with the steel bars, so that two ends of the steel bars are lapped on the lower pressing wheel on the fixed frame, then the adjusting screw is rotated by using the inner hexagonal wrench, the adjusting screw pushes the movable frame to move along the arrangement direction of the guide rod, the upper pressing wheel on the movable frame moves and presses the steel bars, and finally detection is carried out; during detection, when the steel bar is stressed and bent, the guide rail rotates through the rotating shaft, and then the fixed frame rolls on the guide rail through the pulley and is matched with the displacement generated by bending; when the pressure is applied to the steel bar detection, the friction force is reduced by sliding the pulley on the guide rail, so that the influence of the friction force on the detection is reduced, and the detection result is more accurate; the support frame is moved and fixed by the bidirectional threaded rod matched with the sliding block, so that the support frame is not easy to slide more stably during working; rotate through adjusting screw and adjust the distance between adjustable shelf and the mount for go up pinch roller and can fix the reinforcing bar of different models, practical range is extensive, is fit for promoting.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the clamping body of FIG. 1;
fig. 3 is an exploded view of the adjustment assembly and base of fig. 1.
Reference numerals: 1. a base; 2. an adjustment assembly; 3. a clamping body; 5. a slider; 6. a fixed block; 7. a bidirectional threaded rod; 8. a rocking handle; 9. a support frame; 10. a rotating shaft; 11. a guide rail; 12. a guide groove; 13. a pulley; 14. a fixed mount; 15. a movable frame; 16. a lower pinch roller; 17. an upper pinch roller; 18. a guide bar; 19. a fixing plate; 20. and adjusting screws.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings.
Example one
As shown in fig. 1, the clamp for a bending test of a steel bar provided by the utility model comprises a base 1 and a clamping main body 3;
the base 1 is provided with an adjusting component 2, two groups of supporting frames 9 are arranged on the adjusting component 2, and the supporting frames 9 are provided with rotating shafts 10; the clamping main body 3 is rotatably arranged on the supporting frame 9 through a rotating shaft 10; the clamping main body 3 comprises a guide rail 11, a pulley 13, a fixed frame 14, a movable frame 15, a lower pinch roller 16, an upper pinch roller 17, a guide rod 18, a fixed plate 19 and an adjusting screw 20; the guide rail 11 is arranged on the rotating shaft 10, and two groups of parallel guide grooves 12 are arranged on the guide rail 11; the fixed frame 14 is arranged on the guide rail 11 in a sliding manner, and the lower pressing wheel 16 is arranged on the fixed frame 14 in a rotating manner; the pulley 13 is arranged at the bottom of the fixed frame 14 and extends into the guide groove 12 to abut against the guide rail 11; the number of the pulleys 13 is four, and every two pulleys are positioned in the guide groove 12; increasing the stability of the mount 14; a limiting piece for preventing the pulley 13 from being separated from the guide rail 11 is arranged on the guide rail 11; the guide rod 18 is arranged on the fixed frame 14, the movable frame 15 is arranged on the guide rod 18 in a sliding mode, and the upper pressing wheel 17 is arranged on the movable frame 15 in a rotating mode; the fixed plate 19 is arranged on the guide rod 18 and is positioned above the movable frame 15, and the adjusting screw 20 is rotatably arranged on the movable frame 15 and is in threaded connection with the fixed plate 19; the adjusting screw 20 is provided with an inner hexagonal groove, so that the rotation adjustment is convenient; the bottom of the base 1 is provided with a plurality of groups of supporting legs, and the supporting legs are provided with non-slip mats.
In this embodiment, when the present invention is operated, the adjusting screw 20 is rotated by using an allen key, the adjusting screw 20 pushes the movable frame 15 to move along the setting direction of the guide rod 18, and the upper pressing wheel 17 on the movable frame 15 moves and presses the steel bar, and finally, the detection is performed; during detection, when the steel bar is stressed and bent, the guide rail 11 rotates through the rotating shaft 10, and then the fixed frame 14 rolls on the guide rail 11 through the pulley 13 to match with the displacement generated by bending; when the pressure is applied to the steel bar detection, the friction force is reduced by sliding the pulley 13 on the guide rail 11, so that the influence of the friction force on the detection is reduced, and the detection result is more accurate; rotate through adjusting screw 20 and adjust the distance between adjustable shelf 15 and the mount 14 for go up pinch roller 17 and pinch roller 16 can be fixed the reinforcing bar of different models down, and practical range is extensive, is fit for promoting.
Example two
Compared with the first embodiment, the difference of the clamp for the steel bar bending test provided by the utility model is shown in fig. 3, and the adjusting assembly 2 comprises a sliding block 5, a fixed block 6, a bidirectional threaded rod 7 and a support frame 9; the sliding block 5 is arranged on the base 1 in a sliding mode, the bidirectional threaded rod 7 is rotatably arranged on the base 1 and is in threaded connection with the sliding block 5, and the fixed block 6 is arranged on the base 1 and is in rotatable connection with the bidirectional threaded rod 7; the number of the sliding blocks 5 is two, and the two groups of sliding blocks 5 are respectively positioned at two sides of the fixed block 6; the rocking handle 8 is arranged on the bidirectional threaded rod 7 and is positioned on the periphery of the base 1, and the rocking handle 8 is detachably connected with the bidirectional threaded rod 7.
In the embodiment, a rocking handle 8 is used for rotating a bidirectional threaded rod 7 to drive two groups of sliding blocks 5 to move on a base 1, and two groups of supporting frames 9 are close to or far away from each other to be matched with a steel bar, so that two ends of the steel bar are lapped on a lower pressing wheel 16 on a fixed frame 14; the support frame 9 is moved and fixed by the bidirectional threaded rod 7 in cooperation with the sliding block 5, so that the support frame 9 is not easy to slide more stably during working; and simultaneously, the steel bars with different lengths are matched for detection.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (8)

1. The clamp for the bending test of the steel bar is characterized by comprising a base (1) and a clamping main body (3);
the base (1) is provided with an adjusting component (2), two groups of supporting frames (9) are arranged on the adjusting component (2), and the supporting frames (9) are provided with rotating shafts (10); the clamping main body (3) is rotatably arranged on the support frame (9) through a rotating shaft (10); wherein the clamping main body (3) comprises a guide rail (11), a pulley (13), a fixed frame (14), a movable frame (15), a lower pressing wheel (16), an upper pressing wheel (17), a guide rod (18), a fixed plate (19) and an adjusting screw (20); the guide rail (11) is arranged on the rotating shaft (10), and two groups of parallel guide grooves (12) are arranged on the guide rail (11); the fixed frame (14) is arranged on the guide rail (11) in a sliding manner, and the lower pressing wheel (16) is arranged on the fixed frame (14) in a rotating manner; the pulley (13) is arranged at the bottom of the fixed frame (14) and extends into the guide groove (12) to abut against the guide rail (11); the guide rod (18) is arranged on the fixed frame (14), the movable frame (15) is arranged on the guide rod (18) in a sliding manner, and the upper pressure wheel (17) is arranged on the movable frame (15) in a rotating manner; the fixed plate (19) is arranged on the guide rod (18) and positioned above the movable frame (15), and the adjusting screw (20) is rotatably arranged on the movable frame (15) and is in threaded connection with the fixed plate (19).
2. The steel bar bending test fixture according to claim 1, wherein the adjusting assembly (2) comprises a sliding block (5), a fixed block (6), a bidirectional threaded rod (7) and a supporting frame (9); the sliding block (5) is arranged on the base (1) in a sliding mode, the bidirectional threaded rod (7) is arranged on the base (1) in a rotating mode and is in threaded connection with the sliding block (5), and the fixing block (6) is arranged on the base (1) and is connected with the bidirectional threaded rod (7) in a rotating mode.
3. The bending test fixture for the steel bars as claimed in claim 2, wherein the number of the sliding blocks (5) is two, and the two sliding blocks (5) are respectively arranged at two sides of the fixed block (6).
4. A bar bending test fixture according to claim 2, further comprising a rocking handle (8); the rocking handle (8) is arranged on the bidirectional threaded rod (7) and is positioned on the periphery of the base (1), and the rocking handle (8) is detachably connected with the bidirectional threaded rod (7).
5. The bending test fixture for reinforcing steel bars as claimed in claim 1, wherein the guide rail (11) is provided with a stopper for preventing the pulley (13) from being separated from the guide rail (11).
6. A bending test jig for reinforcing bars according to claim 1, wherein the number of the pulleys (13) is four and two pulleys are located in the guide groove (12).
7. A bar bending test fixture according to claim 1, wherein the adjusting screw (20) is provided with an internal hexagonal slot.
8. The bending test fixture for the steel bars as claimed in claim 1, wherein a plurality of groups of supporting feet are arranged at the bottom of the base (1), and anti-skid pads are arranged on the supporting feet.
CN202122256187.XU 2021-09-17 2021-09-17 Reinforcing steel bar bending test fixture Active CN215677833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122256187.XU CN215677833U (en) 2021-09-17 2021-09-17 Reinforcing steel bar bending test fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122256187.XU CN215677833U (en) 2021-09-17 2021-09-17 Reinforcing steel bar bending test fixture

Publications (1)

Publication Number Publication Date
CN215677833U true CN215677833U (en) 2022-01-28

Family

ID=79964209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122256187.XU Active CN215677833U (en) 2021-09-17 2021-09-17 Reinforcing steel bar bending test fixture

Country Status (1)

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CN (1) CN215677833U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116499856A (en) * 2023-02-13 2023-07-28 绍兴弘信工程检测技术有限公司 Reinforcing steel bar bending performance detection device and detection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116499856A (en) * 2023-02-13 2023-07-28 绍兴弘信工程检测技术有限公司 Reinforcing steel bar bending performance detection device and detection method
CN116499856B (en) * 2023-02-13 2023-11-10 绍兴弘信工程检测技术有限公司 Reinforcing steel bar bending performance detection device and detection method

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