Reinforcing steel bar residual deformation tester

Abstract

The utility model discloses a reinforcing steel bar residual deformation tester, and particularly relates to the technical field of reinforcing steel bar detection equipment, the reinforcing steel bar residual deformation tester comprises a first clamping seat, a second clamping seat is arranged at the top of the first clamping seat, and fixing assemblies are arranged in the first clamping seat and the second clamping seat; the fixing assembly comprises a shell, a first gear is installed in the shell, a rocker is fixedly connected to the middle of the inner side of the first gear, a gear disc is arranged at the bottom end of the first gear, and a plurality of second gears are arranged in the gear disc. Compared with the prior art, a plurality of second gears are meshed with a plurality of racks to adjust the fixing rod to annularly clamp and fix the outer side of the reinforcing steel bar by arranging the fixing assembly, so that the reinforcing steel bar testing device can be suitable for reinforcing steel bars with different sizes, can more effectively fix the reinforcing steel bar, is not easy to shake in the testing process, reduces the testing error, and improves the testing efficiency. And the accuracy of a measurement result is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar detection equipment, and more specifically, to a steel bar residual deformation tester. Background Art

[0002] The residual deformation of steel bars refers to irreversible deformation. The deformation of the material that enters the plastic stage after unloading to the initial state cannot be restored to the initial state, and part of the existing deformation cannot be restored. The part of the deformation that cannot be restored is called residual deformation. In the loading test, residual deformation refers to the irreversible deformation of the material that has entered the plastic stage after unloading.

[0003] The operating table and other equipment on the operating table are covered by a protective cover. When the steel bar is broken during the tensile test, the broken steel bar splashes. The protective cover protects the safety of personnel, but the splashed steel bar causes collision damage to the testing equipment. In the long run, there is a defect of damaging the testing equipment and shortening the service life of the testing equipment.

[0004] After searching, the Chinese patent with application number CN202120544814.7 discloses an automatic tester for residual deformation of steel bars. The setting of the protective tube can block the spattering of steel bars, protect the safety of the staff, and protect the detection equipment and extend the service life of the detection equipment.

[0005] When the above-mentioned automatic tester for residual deformation of steel bars is used in practice, since the lengths of the steel bars to be measured are different, the existing clamping and fixing method is relatively simple and not convenient for use with steel bars of different sizes, which makes it easy for the steel bars to loosen when clamped, resulting in deviations in subsequent test data and affecting the accuracy of the test. Utility Model Content

[0006] In order to overcome the above defects of the prior art, the utility model provides a steel bar residual deformation tester to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A steel bar residual deformation tester comprises a first clamping seat, a second clamping seat is arranged on the top of the first clamping seat, and fixing components are installed inside the first clamping seat and the second clamping seat;

[0009] The fixing assembly includes a shell, a first gear is installed inside the shell, a rocker is fixedly connected to the middle part of the inner side of the first gear, a gear plate is provided at the bottom end of the first gear, a plurality of second gears are provided inside the gear plate, a rack is provided on one side of the plurality of second gears, a fixing rod is fixedly connected to the rear side of the plurality of racks, and a rangefinder is fixedly connected to the middle part of the front side of the second clamping seat.

[0010] By adopting the above technical solution: the two outer shells are fixedly connected to the first clamping seat and one side of the second clamping seat, the bottom end of the rocker arm is plugged and fixed to the middle of the inner side of the first gear, the gear plate is arranged at the bottom end of the first gear, multiple and second gears are installed on the inner side of the gear plate, multiple racks are installed on one side of the bottom end of the second gear, multiple fixing rods are fixedly connected to the rear side of the rack, multiple fixing rods are slidably connected to the inner side of the second clamping seat, and the rangefinder is installed in the middle of the front side of the second clamping seat.

[0011] As a further description of the above technical solution: sliding holes are opened on both the left and right sides of the top of the second clamping seat, and bolts are installed on both the left and right sides of the second clamping seat.

[0012] By adopting the above technical solution: two sliding holes are opened in the middle of the left and right sides of the top of the second clamping seat, and two bolts are threadedly connected with the left and right ends of the second clamping seat.

[0013] As a further description of the above technical solution: sliding rods are installed inside the two left and right sliding holes, and baffles are fixedly connected to the top ends of the two left and right sliding rods.

[0014] By adopting the above technical solution: the two slide bars are both installed inside the slide hole, and the two slide bars are both slidably connected inside the slide hole, and the two baffles are both fixedly connected to the top ends of the slide bars.

[0015] As a further description of the above technical solution: a plurality of threaded holes are provided on one side of the two left and right slide bars, and sliding grooves are provided on the front and rear sides of the two left and right slide bars.

[0016] By adopting the above technical solution: a plurality of threaded holes are opened on one side of the slide rod, and the inside of the threaded holes is threadedly connected with one end of the bolt, and sliding grooves are opened at both the front and rear ends of the two slide rods.

[0017] As a further description of the above technical solution: a plurality of slide grooves are each provided with a sliding block.

[0018] By adopting the above technical solution: the two sliders can be fixedly connected to the upper and lower ends of the inner side of the sliding hole, and the multiple sliders are slidably connected inside the sliding groove.

[0019] As a further description of the above technical solution: the bottom ends of one side of the two left and right sliding rods are fixedly connected with connecting plates, and one ends of the two left and right connecting plates are fixedly connected with extensometers.

[0020] By adopting the above technical solution: one end of the two connecting plates is fixedly connected to one side of the bottom end of the slide rod, and the other end of the two connecting plates is fixedly connected to one side of the bottom end of the extensometer.

[0021] As a further description of the above technical solution: the bottom end of the first gear is meshed and connected with the outer side of the gear plate, multiple second gears are meshed and connected with the inner side of the gear plate, and multiple bottom ends of the second gears are meshed and connected with one side of the rack.

[0022] By adopting the above technical solution: the outer side of the gear plate is meshed and connected with the bottom end of the first gear, the outer sides of multiple second gears are meshed and connected with the inner side of the gear plate, and one side of multiple racks is meshed and connected with one side of the bottom end of the second gear.

[0023] Technical effects and advantages of the utility model:

[0024] 1. By setting a fixing assembly, compared with the prior art, multiple second gears are used to mesh multiple racks to adjust the fixing rod to perform annular clamping and fixing of the outer side of the steel bar, which can be applicable to steel bars of different sizes, and can more effectively fix the steel bar, making it less likely to shake during the test, reducing the error of the test, and improving the accuracy of the measurement results;

[0025] 2. By setting bolts, sliding rods, threaded holes, sliding grooves and sliders, compared with the prior art, two bolts can be used to fix the second clamping seat and the two sliding rods, and two sliding holes and multiple sliders can be used to make the second clamping seat remain relatively stable when moving. It can be suitable for steel bars of different heights and achieve high-precision position adjustment. It can ensure that the steel bars are not easily moved or shaken during the test, thereby improving the stability of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0027] Figure 2 It is a schematic diagram of the threaded hole structure of the utility model.

[0028] Figure 3 This is a schematic diagram of the baffle structure of the utility model.

[0029] Figure 4 This is a schematic diagram of the gear plate structure of the utility model.

[0030] Figure 5 This is a schematic diagram of the second gear structure of the utility model.

[0031] Figure 6 For the utility model Figure 4 Schematic diagram of the structure of the enlarged view of part A.

[0032] The accompanying drawings are marked as follows: 1. first clamping seat; 2. second clamping seat; 3. housing; 4. first gear; 5. rocker; 6. gear plate; 7. second gear; 8. rack; 9. fixing rod; 10. distance meter; 11. sliding hole; 12. bolt; 13. sliding rod; 14. baffle; 15. threaded hole; 16. sliding groove; 17. slider; 18. connecting plate; 19. extensometer. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The embodiment of the present application discloses a steel bar residual deformation tester, comprising a first clamping seat 1, a second clamping seat 2 is arranged on the top of the first clamping seat 1, and fixing components are installed inside the first clamping seat 1 and the second clamping seat 2;

[0035] The fixing assembly includes a shell 3, a first gear 4 is installed inside the shell 3, a rocker 5 is fixedly connected to the middle of the inner side of the first gear 4, a gear plate 6 is arranged at the bottom end of the first gear 4, a plurality of second gears 7 are arranged inside the gear plate 6, a rack 8 is arranged on one side of the plurality of second gears 7, a fixing rod 9 is fixedly connected to the rear side of the plurality of racks 8, a rangefinder 10 is fixedly connected to the middle of the front side of the second clamping seat 2, the bottom end of the first gear 4 is meshed with the outer side of the gear plate 6, the plurality of second gears 7 are meshed with the inner side of the gear plate 6, and the bottom ends of the plurality of second gears 7 are meshed with one side of the rack 8, The rocker 5 can drive the first gear 4 to rotate, so that the bottom end of the first gear 4 is meshed and connected with the outer side of the gear plate 6, thereby driving the gear plate 6 to rotate. The rotation and meshing of the gear plate 6 drive multiple second gears 7 to rotate. The multiple second gears 7 are all meshed and connected with one side of the rack 8. The multiple racks 8 can drive the fixing rod 9 to telescope and move, so that it can be suitable for steel bars of different sizes, and can effectively fix the steel bars in a ring, which can ensure that the steel bars will not accidentally fall off or break during the test. It can ensure that the steel bars will not accidentally fall off or break during the test.

[0036] Reference Figure 2 and 4As shown, sliding holes 11 are provided on the left and right sides of the top of the second clamping seat 2, bolts 12 are installed on the left and right sides of the second clamping seat 2, sliding rods 13 are installed inside the two sliding holes 11, and baffles 14 are fixedly connected to the tops of the two sliding rods 13. The second clamping seat 2 and the sliding rod 13 can be fixed by using the two bolts 12. A plurality of threaded holes 15 are provided on one side of the two sliding rods 13, and sliding grooves 16 are provided on the front and rear sides of the two sliding rods 13. Slide blocks 17 are provided inside the plurality of sliding grooves 16. The second clamping seat 2 slides inside the sliding grooves 16 through the plurality of slide blocks 17. The plurality of slide blocks 17 provide a guiding effect for the second clamping seat 2 up and down. The two sliding holes 11 are used to provide a limiting effect for the second clamping seat 2, which can effectively prevent the second clamping seat 2 from deviating during movement. At the same time, the second clamping seat 2 and the two sliding rods 13 can be fixed by the two bolts 12, so that high-precision position adjustment can be achieved, which is convenient for use with steel bars of different lengths and can achieve high-precision position adjustment.

[0037] Reference Figure 1 As shown, the bottom ends of the left and right sliding rods 13 are fixedly connected to connecting plates 18, and one ends of the left and right connecting plates 18 are fixedly connected to extensometers 19. The two extensometers 19 can be used to monitor and record the strain changes of the steel bars during the stress process in real time, and the stress on the steel bars can be calculated, thereby evaluating the strength and bearing capacity of the structure.

[0038] Working principle of the utility model: The utility model designs a steel bar residual deformation tester, the specific structure is as shown in the attached manual Figure 1-6 As shown, in the technical solution, through the mutual cooperation between various structures, when it is necessary to test the steel bar, first insert the steel bar into the first clamping seat 1 and the second clamping seat 2, then pull the second clamping seat 2 up and down, and the second clamping seat 2 slides in the slide groove 16 through the two sliders 17 in the left and right slide holes 11, so that the second clamping seat 2 can move up and down. After that, when the adjustment of the second clamping seat 2 is completed, the two bolts 12 are screwed through the left and right sides of the second clamping seat 2 and extend to the inside of the threaded hole 15. The second clamping seat 2 can be fixed on the two slide rods 13 through the two bolts 12, and then the second clamping seat 2 is turned. Move the two rocking arms 5, and utilize the two rocking arms 5 to rotate and drive the first gear 4 to rotate, so that the first gear 4 meshes and drives the gear plate 6 to rotate, and the gear plate 6 rotates and meshes and drives multiple second gears 7 to rotate, and the multiple second gears 7 are all meshed with one side of the rack 8. The multiple racks 8 can drive the fixing rods 9 to telescopically move inside the first clamping seat 1 and the second clamping seat 2, so that the multiple fixing rods 9 can clamp and fix the steel bars inside the first clamping seat 1 and the second clamping seat 2, and then the data is detected by the rangefinder 10 and transmitted to the inside of the two extensometers 19, so that the test data of the steel bars can be obtained.

[0039] Among them, the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0040] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited and can be determined using conventional equipment. In this technical solution, the electrical control components not mentioned belong to the prior art and are not shown in the figure, and will not be described here;

[0041] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A steel bar residual deformation tester, comprising a first clamping seat (1), characterized in that: A second clamping seat (2) is arranged on the top of the first clamping seat (1), and fixing components are installed inside the first clamping seat (1) and the second clamping seat (2); The fixing assembly comprises a housing (3), a first gear (4) is installed inside the housing (3), a rocker (5) is fixedly connected to the middle part of the inner side of the first gear (4), a gear plate (6) is arranged at the bottom end of the first gear (4), a plurality of second gears (7) are arranged inside the gear plate (6), a rack (8) is arranged on one side of the plurality of second gears (7), a fixing rod (9) is fixedly connected to the rear side of the plurality of racks (8), and a rangefinder (10) is fixedly connected to the middle part of the front side of the second clamping seat (2).

2. The steel bar residual deformation tester according to claim 1, characterized in that: Sliding holes (11) are provided on both left and right sides of the top of the second clamping seat (2), and bolts (12) are installed on both left and right sides of the second clamping seat (2).

3. The steel bar residual deformation tester according to claim 2, characterized in that: Sliding rods (13) are installed inside the two sliding holes (11) on the left and right sides, and baffles (14) are fixedly connected to the top ends of the two sliding rods (13) on the left and right sides.

4. The steel bar residual deformation tester according to claim 3, characterized in that: A plurality of threaded holes (15) are provided on one side of the two left and right slide bars (13), and sliding grooves (16) are provided on the front and rear sides of the two left and right slide bars (13).

5. The steel bar residual deformation tester according to claim 4, characterized in that: Slide blocks (17) are arranged inside each of the plurality of slide grooves (16).

6. The steel bar residual deformation tester according to claim 3, characterized in that: A connecting plate (18) is fixedly connected to the bottom end of one side of the two left and right sliding rods (13), and an extensometer (19) is fixedly connected to one end of the two left and right connecting plates (18).

7. The steel bar residual deformation tester according to claim 1, characterized in that: The bottom end of the first gear (4) is meshedly connected to the outer side of the gear plate (6), the plurality of second gears (7) are meshedly connected to the inner side of the gear plate (6), and the bottom ends of the plurality of second gears (7) are meshedly connected to one side of the rack (8).

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