Steel pipe hardness measuring device

Abstract

The utility model relates to the technical field of steel pipe detection, in particular to a steel pipe hardness measuring device, which comprises a working platform, a clamp seat is arranged at the top of the working platform, a pipeline clamping mechanism is mounted on the clamp seat and comprises a support frame, a rotating shaft is arranged at the top of the support frame, and the rotating shaft is mounted on the clamp seat. The supporting frame is rotationally connected with an eccentric disc through a rotating shaft, one side of the eccentric disc is fixedly connected with a grip, and the interior of the grip is in threaded connection with a limiting screw. The utility model has the advantages that the steel pipe to be tested can be tightly fixed by arranging the pipeline clamping mechanism, the steel pipe is arranged between the support frame and the clamping plate during use, then the crank is held by a hand to drive the eccentric disc to rotate, the eccentric disc abuts against the clamping plate, and the position of the crank is fixed by using the limiting bolt, so that the steel pipe can be clamped and fixed by the clamping plate; and after measurement is completed, the limiting bolt is loosened, the steel pipe can be loosened by reversely rotating the handle, and operation is quite easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe detection, in particular to a steel pipe hardness measuring device. Background Art

[0002] Steel pipes have hollow cross-sections, and their length is much greater than the diameter or circumference of the steel. According to the cross-sectional shape, they are divided into round, square, rectangular and special-shaped steel pipes; according to the material, they are divided into carbon structural steel pipes, low-alloy structural steel pipes, alloy steel pipes and composite steel pipes; according to the use, they are divided into steel pipes for pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc.; according to the production process, they are divided into seamless steel pipes and welded steel pipes, of which seamless steel pipes are divided into hot-rolled and cold-rolled (drawn) types, and welded steel pipes are divided into straight seam welded steel pipes and spiral seam welded steel pipes.

[0003] In the process of steel pipe production, it is necessary to measure the hardness of the steel pipe. However, the existing steel pipe hardness measuring device is not convenient for fixing the steel pipe according to the detection requirements, which affects the detection efficiency. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, solve the problems mentioned in the background technology, and provide a steel pipe hardness measuring device.

[0006] The purpose of the utility model is achieved through the following technical solutions: a steel pipe hardness measuring device, including a working platform, a clamp seat is arranged on the top of the working platform, a pipe clamping mechanism is installed on the clamp seat, the pipe clamping mechanism includes a support frame, a rotating shaft is arranged on the top of the support frame, an eccentric disk is rotatably connected to the support frame through the rotating shaft, a handle is fixedly connected to one side of the eccentric disk, a limit bolt is connected to the inner thread of the handle, a sliding shaft is slidably connected to the top of the support frame, a clamp plate is fixedly connected to one end of the sliding shaft, and a Spring, the end of the sliding shaft away from the clamping plate is fixedly connected to the limiting block. The steel pipe hardness measuring device can tightly fix the steel pipe to be tested by setting a pipe clamping mechanism. When in use, the steel pipe is set between the support frame and the clamping plate, and then the crank is held by hand to drive the eccentric disk to rotate, the eccentric disk is against the clamping plate, and the position of the crank is fixed with a limiting bolt, so that the clamping plate can clamp the steel pipe, and then the hydraulic rod can be pressed down to perform hardness testing. After the measurement is completed, the limiting bolt is loosened, and the steel pipe can be loosened by rotating the handle in the opposite direction. The operation is very simple and convenient, thereby improving the maintenance efficiency.

[0007] Preferably, a mounting frame is fixedly connected to the top of the working platform, and the mounting frame is L-shaped.

[0008] Preferably, a hydraulic rod is fixedly connected to one end of the mounting frame, a pressure head with a pressure sensor is fixedly mounted on the output end of the hydraulic rod, and the pressure sensor is arranged between the output end of the hydraulic rod and the pressure head.

[0009] Preferably, a threaded hole for installing a limiting bolt is opened inside the handle, and the limiting bolt is threadedly connected inside the threaded hole.

[0010] Preferably, one end of the spring is fixedly connected to the clamping plate, and one end of the spring away from the clamping plate is fixedly connected to the support frame.

[0011] Preferably, the number of the sliding shaft, the spring and the limit block are two each, and they are symmetrically distributed on one side of the clamping plate.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] The steel pipe hardness measuring device can tightly fix the steel pipe to be tested by setting a pipe clamping mechanism. When in use, the steel pipe is set between the support frame and the clamping plate, and then the crank is held by hand to drive the eccentric disk to rotate, and the eccentric disk is against the clamping plate. The position of the crank is fixed with a limit bolt, so that the clamping plate can clamp the steel pipe, and then the hydraulic rod can be pressed down to perform hardness testing. After the measurement is completed, the limit bolt is loosened, and the handle can be rotated in the opposite direction to loosen the steel pipe. The operation is very simple and convenient, thereby improving the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the pipe clamping mechanism of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the hydraulic rod and the pressure head of the utility model.

[0017] In the figure: 1-working platform, 2-clamp seat, 3-pipe clamping mechanism, 301-support frame, 302-rotating shaft, 303-eccentric disk, 304-handle, 305-sliding shaft, 306-clamp plate, 307-spring, 308-limiting block, 4-mounting frame, 5-hydraulic rod, 6-pressure head, 7-pressure sensor. DETAILED DESCRIPTION

[0018] Additional aspects and advantages of the present invention will be further described below in conjunction with the accompanying drawings, and some will become apparent from the following description or be learned through practice of the present invention.

[0019] like Figure 1-3As shown, a steel pipe hardness measuring device comprises a working platform 1, a clamp seat 2 is arranged on the top of the working platform 1, a pipe clamping mechanism 3 is installed on the clamp seat 2, the pipe clamping mechanism 3 comprises a support frame 301, a rotating shaft 302 is arranged on the top of the support frame 301, an eccentric disk 303 is rotatably connected to the support frame 301 through the rotating shaft 302, a handle 304 is fixedly connected to one side of the eccentric disk 303, a limit bolt 3041 is connected to the inner thread of the handle 304, a sliding shaft 305 is slidably connected to the top of the support frame 301, a clamping plate 306 is fixedly connected to one end of the sliding shaft 305, a spring 307 is arranged on the outer surface of the sliding shaft 305, and the sliding shaft 305 is provided with a spring 308. 05 One end away from the clamping plate 306 is fixedly connected to the limiting block 308. By setting the pipe clamping mechanism 3, the steel pipe to be tested can be tightly fixed. When in use, the steel pipe is set between the support frame 301 and the clamping plate 306, and then the crank 304 is held by hand to drive the eccentric disk 303 to rotate, and the eccentric disk 303 is against the clamping plate 306. The limit bolt 3041 is used to fix the position of the crank 304, so that the clamping plate 306 can clamp the steel pipe, and then the hydraulic rod 5 can be pressed down to perform hardness testing. After the measurement is completed, the limit bolt 3041 is loosened, and the steel pipe can be loosened by rotating the handle 304 in the opposite direction. The operation is very simple and convenient, thereby improving the maintenance efficiency.

[0020] As a preferred technical solution of the present invention, a mounting frame 4 is fixedly connected to the top of the working platform 1, and the mounting frame 4 is L-shaped.

[0021] As a preferred technical solution of the utility model, one end of the mounting frame 4 is fixedly connected to a hydraulic rod 5 , and a pressure head 6 with a pressure sensor 7 is fixedly installed at the output end of the hydraulic rod 5 , and the pressure sensor 7 is arranged between the output end of the hydraulic rod 5 and the pressure head 6 .

[0022] As a preferred technical solution of the utility model, a threaded hole for installing a limiting bolt 3041 is opened inside the handle 304, and the limiting bolt 3041 is threadedly connected inside the threaded hole.

[0023] As a preferred technical solution of the utility model, one end of the spring 307 is fixedly connected to the clamping plate 306 , and one end of the spring 307 away from the clamping plate 306 is fixedly connected to the support frame 301 .

[0024] As a preferred technical solution of the present utility model, the number of the sliding shaft 305 , the spring 307 and the limit block 308 are two each, and they are symmetrically distributed on one side of the clamping plate 306 .

[0025] The working principle of the utility model is as follows:

[0026] Then, the crank 304 is held by hand to drive the eccentric disk 303 to rotate, and the eccentric disk 303 presses against the clamping plate 306. The limiting bolt 3041 fixes the position of the crank 304, so that the clamping plate 306 can clamp the steel pipe. The hydraulic rod 5 is pressed down to perform hardness testing. After the measurement is completed, the limiting bolt 3041 is loosened, and the handle 304 is rotated in the opposite direction to loosen the steel pipe.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The steel pipe hardness measuring device can tightly fix the steel pipe to be tested by setting a pipe clamping mechanism 3. When in use, the steel pipe is set between the support frame 301 and the clamping plate 306, and then the crank 304 is held by hand to drive the eccentric disk 303 to rotate, and the eccentric disk 303 is against the clamping plate 306. The limit bolt 3041 is used to fix the position of the crank 304, so that the clamping plate 306 can clamp the steel pipe, and then the hydraulic rod 5 can be pressed down to perform hardness testing. After the measurement is completed, the limit bolt 3041 is loosened, and the handle 304 is rotated in the opposite direction to loosen the steel pipe. The operation is very simple and convenient, thereby improving the maintenance efficiency.

Claims

1. A steel pipe hardness measuring device, characterized in that: The invention comprises a working platform (1), wherein a clamp seat (2) is arranged on the top of the working platform (1), and a pipe clamping mechanism (3) is installed on the clamp seat (2), and the pipe clamping mechanism (3) comprises a support frame (301), wherein a rotating shaft (302) is arranged on the top of the support frame (301), and the support frame (301) is rotatably connected to an eccentric disk (303) via the rotating shaft (302), and a handle (304) is fixedly connected to one side of the eccentric disk (303), and a limit bolt (3041) is connected to the handle (304) through internal threads, and a sliding shaft (305) is slidably connected to the top of the support frame (301), and one end of the sliding shaft (305) is fixedly connected to a clamping plate (306), and a spring (307) is arranged on the outer surface of the sliding shaft (305), and one end of the sliding shaft (305) away from the clamping plate (306) is fixedly connected to a limit block (308).

2. A steel pipe hardness measuring device according to claim 1, characterized in that: A mounting frame (4) is fixedly connected to the top of the working platform (1), and the mounting frame (4) is L-shaped.

3. A steel pipe hardness measuring device according to claim 2, characterized in that: One end of the mounting frame (4) is fixedly connected to a hydraulic rod (5), an output end of the hydraulic rod (5) is fixedly mounted with a pressure head (6) with a pressure sensor (7), and the pressure sensor (7) is arranged between the output end of the hydraulic rod (5) and the pressure head (6).

4. A steel pipe hardness measuring device according to claim 1, characterized in that: A threaded hole for installing a limiting bolt (3041) is provided inside the handle (304), and the limiting bolt (3041) is threadedly connected inside the threaded hole.

5. The steel pipe hardness measuring device according to claim 1, characterized in that: One end of the spring (307) is fixedly connected to the clamping plate (306), and one end of the spring (307) away from the clamping plate (306) is fixedly connected to the support frame (301).

6. A steel pipe hardness measuring device according to claim 1, characterized in that: The number of the sliding shaft (305), the spring (307) and the limit block (308) are all two, and they are symmetrically distributed on one side of the clamping plate (306).

Images