Reinforcing steel bar tensile strength detection device

Abstract

The reinforcing steel bar tensile strength detection device comprises a first clamping part and a second clamping part which are arranged on two sides of a reinforcing steel bar, the first clamping part is arranged on the fixing support, and the second clamping part is arranged on the force application stretcher. The force application stretcher comprises a force application piston cylinder, a force application piston rod extends out of the force application piston cylinder, and the second clamping part is arranged on the force application piston rod. The reinforcing steel bar is clamped between the first clamping part and the second clamping part which are arranged in a matched mode, then the reinforcing steel bar is stretched through the force application stretcher, the force applied by stretching and the deformation or change condition are recorded, and operation is very easy and convenient.

Description

Technical Field

[0001] The present application relates to a steel bar tensile strength detection device. Background Art

[0002] As the main load-bearing body of a building, the bearing capacity of reinforced concrete structure is very important. For the steel bars, according to the needs, tensile test, compression test, bending test, hardness test, ultrasonic test, magnetic particle inspection, X-ray inspection, etc. are generally required. Tensile test is the most common test method, which can be used to measure the tensile strength and yield strength of steel bars. The test steel bars used generally adopt the tensile destructive test method, and then measure the stress and strain during the loading process. The current measurement equipment is complicated to operate, has high requirements on the personal quality of the operator, and is prone to danger during use. Utility Model Content

[0003] In order to solve the above problems, the present application proposes a steel bar tensile strength detection device, including a first clamping part and a second clamping part arranged on both sides of the steel bar; the first clamping part is arranged on a fixed bracket, and the second clamping part is arranged on a force stretcher; the force stretcher includes a force piston cylinder, the force piston rod extends out of the force piston cylinder, and the second clamping part is arranged on the force piston rod. The present application adopts the first clamping part and the second clamping part arranged in a coordinated manner to clamp the steel bar therein, and then uses the force stretcher to stretch it, and records the force applied by the stretching and the deformation or change that occurs, and the operation is very simple.

[0004] Preferably, a plurality of guide rods are arranged outside the first clamping part and the second clamping part, and a guide plate is arranged outside the force-applying piston rod, and the guide plate is movably arranged on the guide rod. The present application adopts a method of cooperating with the guide plate and the guide rod, and the guide plate can ensure the constancy of the force-applying direction during the force-applying process, and can further ensure the safety during the operation.

[0005] Preferably, an external connecting tube is arranged on the outer side of the guide plate, the external connecting tube is sleeved on the force-applying piston rod, a plurality of locking threaded holes are arranged on the external connecting tube, and locking bolts are arranged in the inner threads of the locking threaded holes.

[0006] Preferably, the first clamping part and the second clamping part have the same structure, including a circular cylinder, a clamping groove is provided on the circular cylinder, and a vertical extension seam is provided on the outward side of the clamping groove. The steel bar of the present application generally adopts the method of connecting the steel bar and the protrusion by threading, welding or crimping at the end of the steel bar, and the protrusion is then clamped into the clamping groove, and the structure has good stability.

[0007] Preferably, the fixing bracket includes a vertical fixing plate, and a reinforcing connection block is arranged on a side of the vertical fixing plate away from the first clamping portion, and the reinforcing connection block is fixedly connected to the first clamping portion via a middle column passing through the vertical fixing plate.

[0008] Preferably, a supporting and fixing plate is arranged on the side of the force-applying piston cylinder, the force-applying piston cylinder is fixedly arranged on the supporting and fixing plate, and the force-applying piston rod extends out of the force-applying piston cylinder and passes through the supporting and fixing plate.

[0009] Preferably, it further comprises a support base, and the vertical fixing plate and the support fixing plate are vertically fixed on the support base.

[0010] Preferably, a plurality of sliding universal wheels are provided at the lower part of the support base.

[0011] This application can bring the following beneficial effects:

[0012] 1. The present application adopts a first clamping part and a second clamping part which are arranged in coordination to clamp the steel bar therein, and then uses a force stretcher to stretch it, and records the force applied by the stretching and the deformation or change that occurs, and the operation is very simple.

[0013] 2. The present application adopts a method of cooperating with a guide plate and a guide rod. The guide plate can ensure the constancy of the force direction during the force application process, and can further ensure the safety during the operation.

[0014] 3. The steel bar of the present application is generally connected to the steel bar by threading, welding or crimping at the end of the steel bar, and the protrusion is then clamped into the clamping groove, which has good structural stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 This is a schematic diagram of the structure of this application;

[0017] Figure 2 This is a schematic diagram of the internal structure of this application. DETAILED DESCRIPTION

[0018] In order to clearly illustrate the technical features of the present solution, the present application is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0019] In the first embodiment, if Figure 1As shown, a steel bar tensile strength detection device includes a first clamping part 1 and a second clamping part 2 arranged on both sides of the steel bar; the first clamping part 1 is arranged on a fixed bracket 3, and the second clamping part 2 is arranged on a force stretching device 4; the force stretching device 4 includes a force piston cylinder 5, a force piston rod 6 extends out of the force piston cylinder 5, and the second clamping part 2 is arranged on the force piston rod 6.

[0020] When in use, the steel bar to be tested is first connected to the protrusion at the end by threading, welding or crimping, and then the protrusion is clamped into the second clamping part 2. Then, force is applied using the force stretcher 4, and the magnitude of the force and the deformation of the steel bar are recorded to obtain the tensile strength of the steel bar.

[0021] In the second embodiment, if Figure 1-2 As shown, a steel bar tensile strength detection device comprises a first clamping part 1 and a second clamping part 2 arranged on both sides of the steel bar; the first clamping part 1 is arranged on a fixed bracket 3, and the second clamping part 2 is arranged on a force stretcher 4; the force stretcher 4 comprises a force piston cylinder 5, a force piston rod 6 extends out of the force piston cylinder 5, and the second clamping part 2 is arranged on the force piston rod 6. A plurality of guide rods 7 are arranged on the outside of the first clamping part 1 and the second clamping part 2, and a guide plate 8 is arranged on the outside of the force piston rod 6, and the guide plate 8 is movably arranged on the guide rod 7. An external connecting pipe 9 is arranged on the outside of the guide plate 8, and the external connecting pipe 9 is sleeved on the force piston rod 6, and a plurality of locking threaded holes 10 are arranged on the external connecting pipe 9, and a locking bolt 11 is arranged in the inner thread of the locking threaded hole 10. The first clamping part 1 and the second clamping part 2 have the same structure, including a circular cylinder 12, a clamping groove 13 is arranged on the circular cylinder 12, and a vertical extension seam 14 is arranged on the side of the clamping groove 13 facing outward. The fixing bracket 3 includes a vertical fixing plate 15, and a reinforcing connection block 16 is arranged on the side of the vertical fixing plate 15 away from the first clamping part 1. The reinforcing connection block 16 is fixedly connected to the first clamping part 1 through a middle column 17 passing through the vertical fixing plate 15. A supporting fixing plate 18 is arranged on the side of the force piston cylinder 5, and the force piston cylinder 5 is fixedly arranged on the supporting fixing plate 18. The force piston rod 6 extends out of the force piston cylinder 5 and passes through the supporting fixing plate 18. A supporting base 19 is also included, and the vertical fixing plate 15 and the supporting fixing plate 18 are vertically fixedly arranged on the supporting base 19. A plurality of sliding universal wheels 20 are arranged at the lower part of the supporting base 19.

[0022] When in use, the steel bar to be tested is first connected to the protrusion at the end by means of threading, welding or crimping, and then the protrusion is clamped into the clamping groove 13 of the first clamping part 1 and the second clamping part 2, and then force is applied by the force stretching device 4. Since the force piston rod 6 on the force stretching device 4 is connected to the guide plate 8 through the external connecting tube 9, the guide plate can be guided to slide under the cooperation of the guide plate and the guide rod 7, and the tensile strength of the steel bar can be obtained by recording the size of the force and the deformation of the steel bar.

[0023] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A steel bar tensile strength detection device, characterized in that: It includes a first clamping part and a second clamping part arranged on both sides of the steel bar; the first clamping part is arranged on a fixed bracket, and the second clamping part is arranged on a force-applying stretcher; the force-applying stretcher includes a force-applying piston cylinder, a force-applying piston rod extends out of the force-applying piston cylinder, and the second clamping part is arranged on the force-applying piston rod.

2. A steel bar tensile strength detection device according to claim 1, characterized in that: A plurality of guide rods are arranged on the outer sides of the first clamping part and the second clamping part, and a guide plate is arranged on the outer side of the force-applying piston rod, and the guide plate is movably arranged on the guide rods.

3. A steel bar tensile strength detection device according to claim 2, characterized in that: An external connecting pipe is arranged on the outer side of the guide plate. The external connecting pipe is sleeved on the force-applying piston rod. A plurality of locking threaded holes are arranged on the external connecting pipe. Locking bolts are arranged in the inner threads of the locking threaded holes.

4. A steel bar tensile strength detection device according to claim 1, characterized in that: The first clamping portion and the second clamping portion have the same structure, and include a circular cylinder, a clamping groove is arranged on the circular cylinder, and a vertically extending seam is arranged on the outward side of the clamping groove.

5. A steel bar tensile strength detection device according to claim 1, characterized in that: The fixing bracket includes a vertical fixing plate. A reinforcing connection block is arranged on a side of the vertical fixing plate away from the first clamping portion. The reinforcing connection block is fixedly connected to the first clamping portion via a middle column passing through the vertical fixing plate.

6. A steel bar tensile strength detection device according to claim 5, characterized in that: A supporting and fixing plate is arranged on the side of the force-applying piston cylinder, the force-applying piston cylinder is fixedly arranged on the supporting and fixing plate, and the force-applying piston rod extends out of the force-applying piston cylinder and passes through the supporting and fixing plate.

7. A steel bar tensile strength detection device according to claim 6, characterized in that: It also includes a support base, and the vertical fixing plate and the support fixing plate are vertically fixed on the support base.

8. A steel bar tensile strength detection device according to claim 7, characterized in that: A plurality of sliding universal wheels are arranged at the lower part of the supporting base.

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