Reinforcing steel bar bending tester with high stability

Abstract

The utility model relates to the technical field of bending tests, and discloses a reinforcing steel bar bending tester with high stability, which comprises a bending test bin body, a support frame plate fixedly arranged at the top of the bending test bin body, a hydraulic cylinder arranged at the center of the support frame plate, and a support side column fixedly arranged at the top of the bending test bin body, test supporting plates are fixedly arranged at the front and rear ends of the supporting side columns respectively; the moving groove is formed in the top of the test supporting plate; the moving table is arranged above the supporting side columns, positioning blocks extending into the moving grooves are arranged at the two ends of the moving table, and a test bearing roller is arranged on the moving table. A set of lifting blocks capable of moving along with the hydraulic cylinder are arranged below the steel bar bending position, the lifting blocks move upwards along with the pressure exerting block, and after a bending test is returned, the lifting blocks lift the downward bending point of the steel bar upwards, so that the two ends of the steel bar are in a horizontal state, an operator can take out the steel bar conveniently, and the operation difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending test, specifically is a reinforcing steel bar bending test machine with high stability. BACKGROUND

[0002] Reinforcing steel bar refers to steel material for reinforced concrete and prestressed reinforced concrete, the cross section of which is circular or square with rounded corners, and reinforcing steel bar bending test machine is a process equipment for cold bending test and plane reverse bending test of reinforcing steel bar. It can be widely used in steel metallurgy, steel frame structure, prefabricated components and other enterprises, as well as quality supervision departments, engineering quality inspection stations and other units, and is an ideal test equipment indispensable for testing the cold bending performance and reverse bending performance of reinforcing steel bar.

[0003] Through patent retrieval, it is found that the reinforcing steel bar bending test machine with the announcement number CN220231313U can conveniently adjust the position of the supporting mechanism through the adjusting mechanism, improve the convenience during use, is beneficial to improving the work efficiency, supports the reinforcing steel bar through the supporting mechanism, bends the reinforcing steel bar through the bending mechanism, limits the reinforcing steel bar on the supporting mechanism through the limiting mechanism, prevents the reinforcing steel bar from being radially deviated, reduces the experimental error, and improves the experimental accuracy. After the bending test in the above-mentioned comparison file, the reinforcing steel bar is in a downward bending state, and the reinforcing steel bar needs to be taken out after bending. The two ends of the bent reinforcing steel bar are upwardly raised, and the reinforcing steel bar is not easy to be taken out from the equipment. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a reinforcing steel bar bending test machine with high stability, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: comprising: a bending test bin body, a support frame plate fixed at the top of the bending test bin body, and a hydraulic cylinder installed at the center of the support frame plate,

[0006] Further comprising:

[0007] A support side column is fixed at the top of the bending test bin body, and test supporting plates are respectively fixed at the front and rear ends of the support side column;

[0008] A moving groove is opened at the top of the test supporting plate;

[0009] A moving table is arranged above the support side column, and the two ends of the moving table are provided with positioning blocks extending into the moving groove;

[0010] A lifting block is arranged above the support side column, and a pressure applying connecting rod is installed above the lifting block.

[0011] Further, the top of the test supporting plate is provided with protective plates installed through bolts, and the tops of the two groups of protective plates are close to the hydraulic cylinder.

[0012] Further, the output end of the hydraulic cylinder is provided with a sleeve, and a pressing block is inserted into the bottom of the sleeve.

[0013] Further, a sleeve ring is sleeved on the outside of the sleeve through a bolt, and the sleeve ring is fixed to the top end of the pressing connecting rod.

[0014] Further, the lifting block is located between the two groups of moving tables, and a groove part is arranged on the top of the lifting block.

[0015] Further, a moving panel is fixed to the top of the positioning block, a plug rod is inserted into the surface of the moving panel, and plug grooves are horizontally and spacedly arranged in the groove of the moving groove.

[0016] Further, a concave groove is arranged on the side wall of the test supporting plate, a forward and reverse toothed screw rod is arranged in the concave groove, a screw sleeve is sleeved on the forward and reverse toothed screw rod, and the screw sleeve is connected with the side wall of the moving panel.

[0017] Further, a limiting frame is fixed to the top of the moving panel, and limiting shaft rods are fixed to the two ends of the test supporting roller and are inserted into the groove of the limiting frame.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The application is provided with a group of lifting blocks which can move along with the hydraulic cylinder below the position of the steel bar bending, the lifting blocks lift the downward bending point of the steel bar upward after the bending test returns, so that the two ends of the steel bar are in a relatively horizontal state, the operator can take out the steel bar conveniently, the operation difficulty is reduced, and the steel bar has a larger downward concave groove area below the overhead bending, so that the bendable range of the steel bar is larger and the test range is larger. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the utility model;

[0021] Figure 2 It is a structural schematic view of the moving panel of the utility model;

[0022] Figure 3 It is a side view of the utility model;

[0023] Figure 4 It is an enlarged view of the moving panel of the utility model;

[0024] Figure 5 It is an enlarged view of the lifting block of the utility model.

[0025] In the figure: 1, bending test warehouse body; 2, support frame plate; 3, test supporting plate; 4, support side column; 5, guard plate; 6, positive and negative toothed rod; 7, moving panel; 8, moving table; 9, test supporting roller; 10, limiting frame; 11, limiting shaft; 12, moving groove; 13, positioning block; 14, hydraulic cylinder; 15, pressure block; 16, pressure connecting rod; 17, lifting block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figure 1-5 , including: bending test warehouse body 1, support frame plate 2 fixed at the top of bending test warehouse body 1 and hydraulic cylinder 14 installed at the center of support frame plate 2, the output end of hydraulic cylinder 14 extends downward through support frame plate 2, and the front end of the output end of hydraulic cylinder 14 is sleeved with a sleeve, the bottom of the sleeve is sleeved with a pressure block 15, and the inserting rod at the top of pressure block 15 is inserted into the sleeve, so that the position of pressure block 15 is fixed, and the downward pressure of hydraulic cylinder 14 and pressure block 15 makes pressure block 15 contact with the reinforcing steel bar, so that the downward bending test of the reinforcing steel bar is completed.

[0028] Support side column 4 is fixed at the top of bending test warehouse body 1, and test supporting plate 3 is fixed at the front and rear ends of support side column 4 and protrudes upward; moving groove 12 is opened at the top of test supporting plate 3, moving table 8 is arranged above support side column 4, and the two ends of moving table 8 are provided with positioning blocks 13 inserted into the groove of moving groove 12, the top of positioning block 13 is fixed with moving panel 7, the surface of moving panel 7 is inserted with inserting rod, and the groove of moving groove 12 is transversely and spacedly provided with inserting grooves, two groups of moving panels 7 are arranged on the upper edge of test supporting plate 3, the positioning blocks 13 at the bottom of two groups of moving panels 7 are inserted into the groove of moving groove 12, and the whole moving table 8 can move horizontally above the groove of support side column 4 by sliding the positioning blocks 13 in the groove of moving groove 12, the side wall of test supporting plate 3 is provided with a groove, and positive and negative toothed rod 6 is installed in the groove, the positive and negative toothed rod 6 is sleeved with a screw sleeve, the screw sleeve is connected with the side wall of moving panel 7, and the one end of positive and negative toothed rod 6 is provided with a motor, the distance between two groups of moving tables 8 is adjusted by the motor, after adjustment, the inserting rod is inserted into the inserting groove at the corresponding position to lock the position stably, and the stability of moving table 8 is improved.

[0029] The mobile platform 8 is provided with a test supporting roller 9; the top of the mobile platform 7 is fixed with a limiting frame 10, and the two ends of the test supporting roller 9 are fixed with limiting shaft rods 11, the limiting shaft rods 11 are inserted into the slots of the limiting frame 10, the limiting shaft rods 11 at the two ends of the test supporting roller 9 are inserted into the grooves of the limiting frame 10, and after the insertion, the limiting shaft rods 11 and the limiting frame 10 are reinforced by the bolts at the side of the limiting frame 10, and after the installation of the two groups of test supporting rollers 9, the test supporting rollers 9 are used to be placed on the steel bars at the positions close to the two ends.

[0030] The lifting block 17 is arranged above the supporting side column 4, the pressing connecting rod 16 is arranged above the lifting block 17, the lifting block 17 is located between the two groups of mobile platforms 8, the top of the lifting block 17 is provided with a groove part, the lifting block 17 is connected with the pressing connecting rod 16 in a detachable manner, the groove at the top of the lifting block 17 can lift the bending part of the steel bar upwards when the lifting block 17 moves upwards, so that the difficulty of discharging the bent steel bar is reduced.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel bar bending testing machine with high stability, comprising: The bending test chamber (1), the support frame plate (2) fixed on the top of the bending test chamber (1), and the hydraulic cylinder (14) installed at the center of the support frame plate (2) are characterized in that: Also includes: A supporting side column (4) is fixed on the top of the bending test chamber (1), and a test support plate (3) is fixed on the front and rear ends of the supporting side column (4); A movable groove (12) is provided on the top of the test support plate (3); A movable platform (8) is arranged above the supporting side column (4), and positioning blocks (13) extending into the movable groove (12) are arranged at both ends of the movable platform (8), and a test supporting roller (9) is arranged on the movable platform (8); A lifting block (17) is arranged above the supporting side column (4), and a pressure connecting rod (16) is installed above the lifting block (17).

2. A steel bar bending testing machine with strong stability according to claim 1, characterized in that: A protective plate (5) is installed on the top of the test support plate (3) through bolts, and the tops of the two groups of protective plates (5) are close to the hydraulic cylinder (14).

3. A steel bar bending testing machine with strong stability according to claim 1, characterized in that: The output end of the hydraulic cylinder (14) is provided with a sleeve, and a pressure block (15) is inserted into the bottom of the sleeve.

4. A steel bar bending testing machine with high stability according to claim 1, characterized in that: A collar is provided on the outside of the sleeve through a bolt sleeve, and the collar is fixed to the top end of the pressure connecting rod (16).

5. The steel bar bending testing machine with high stability according to claim 1, characterized in that: The lifting block (17) is located between the two groups of moving platforms (8), and a groove portion is provided on the top of the lifting block (17).

6. A steel bar bending testing machine with high stability according to claim 1, characterized in that: A movable panel (7) is fixedly arranged on the top of the positioning block (13), a plug rod is inserted into the surface of the movable panel (7), and slots are distributed in the movable groove (12) at intervals in the transverse direction.

7. A steel bar bending testing machine with high stability according to claim 6, characterized in that: A groove is provided on the side wall of the test support plate (3), and a positive and negative threaded rod (6) is installed in the groove. A screw sleeve is provided on the outer shell of the positive and negative threaded rod (6), and the screw sleeve is connected to the side wall of the movable panel (7).

8. A steel bar bending testing machine with high stability according to claim 7, characterized in that: A limit frame (10) is fixedly provided on the top of the movable panel (7), and limit shafts (11) are fixedly provided on both ends of the test supporting roller (9), and the limit shafts (11) are inserted into the grooves of the limit frame (10).

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