A toughness testing device for stainless steel pipes

Abstract

The utility model discloses a toughness testing device for a stainless steel pipe, comprising a workbench, a bracket arranged in an L shape is fixedly connected to the top of the workbench, a motor is fixedly installed on the outer wall of one side of the bracket, a transmission shaft is fixedly connected to the output end of the motor, and the transmission shaft passes through the side wall of the bracket and extends to the inner side, one end of the transmission shaft is fixedly connected to a first gear, one side of the first gear is fixedly connected to a turntable, a groove is provided on the outer surface of the turntable near the edge, a limiting rod is fixedly connected to the inner surface of the groove, a movable rod is slidably connected through the top of the bracket, a knocking hammer is fixedly connected to the top of one end of the movable rod, and a sliding rod is fixedly connected to the outer surface of one side of the movable rod located at the upper end of the knocking hammer. The utility model can make the knocking hammer perform multiple knocking tests on the stainless steel pipe, and at the same time flip it to the side that has not been knocked, and then perform knocking tests, thereby improving the efficiency of toughness testing of the stainless steel pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to a toughness detection device for stainless steel pipes. Background Art

[0002] Stainless steel pipe is a hollow long cylindrical steel material. It is used as a pipeline for conveying fluids. It is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments, and mechanical structural parts. Stainless steel pipes are made of acid-resistant and heat-resistant steel billets, which are heated, perforated, sized, hot rolled, and cut.

[0003] In the existing stainless steel pipe toughness testing equipment, a hammer is usually used to knock on the surface of the stainless steel pipe, and then the staff disassembles the stainless steel pipe and installs it to the un-knocked side for knocking testing. This will reduce the efficiency of the test. For this reason, we propose a stainless steel pipe toughness testing equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a toughness detection device for stainless steel pipes to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a toughness testing device for stainless steel pipes, comprising a workbench, a bracket arranged in an L shape is fixedly connected to the top of the workbench, a motor is fixedly installed on the outer wall of one side of the bracket, a transmission shaft is fixedly connected to the output end of the motor, and the transmission shaft passes through the side wall of the bracket and extends to the inner side, one end of the transmission shaft is fixedly connected to a first gear, one side of the first gear is fixedly connected to a turntable, a groove is provided on the outer surface of the turntable near the edge, a limiting rod is fixedly connected to the inner surface of the groove, a movable rod is slidably connected to the top of the bracket, and the top of one end of the movable rod is fixedly connected A striking hammer is fixedly connected thereto, and a sliding rod is fixedly connected thereto on the outer surface of one side of the movable rod at the upper end of the striking hammer, and support blocks are fixedly connected thereto on both sides of the top of the workbench at the lower end of the first gear, and guide rods are fixedly connected thereto between the inner walls of the two support blocks, and a combined rack with tooth blocks distributed on both sides are slidably connected thereto on the outer surfaces of the guide rods, and one side of the combined rack is meshed with the first gear, and a support plate is fixedly connected thereto on the top of the workbench at the middle part of one side of the two support blocks, and a second gear is rotatably connected to one side of the support plate, and the second gear is meshed with the other side of the combined rack, and a steel pipe fixing assembly is fixedly connected to the outer surface of one end of the second gear.

[0006] Preferably, a support rod is slidably connected to the inner surface of the bracket, and the support rod is fixedly connected to the movable rod. A spring is fixedly connected between the top of the support rod and the top of the inner wall of the bracket, and the spring is sleeved on the outer end of the movable rod.

[0007] Preferably, the edge of the groove is arranged in an arc shape.

[0008] Preferably, the striking hammer corresponds to the steel pipe fixing assembly up and down.

[0009] Preferably, the sliding rod is slidably connected to the outer surface of the turntable, the inner surface of the groove, and the outer surface of the limiting rod respectively.

[0010] Compared with the prior art, the beneficial effects of the utility model are: first, the motor is started to drive the transmission shaft to rotate, and then the first gear, turntable, groove, limit rod, slide rod, movable rod, spring, and support rod are used in conjunction with each other, so that the knocking hammer can perform multiple knocking tests on the stainless steel pipe. At the same time, when the first gear drives the combined rack to move through meshing, and then the guide rod, support block, second gear, steel pipe fixing assembly, and support plate are used in conjunction with each other, the stainless steel pipe can be flipped to the un-knocked side when knocking, and then the knocking test can be performed, thereby improving the efficiency of the toughness test of the stainless steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the bottom end of the bracket of the utility model when viewed from above;

[0013] Figure 3 This is a schematic diagram of the structure of the movable rod of the utility model;

[0014] Figure 4 This is a schematic diagram of the turntable structure of the utility model;

[0015] Figure 5 It is a schematic diagram of the combined rack structure of the utility model.

[0016] In the figure: 1. workbench; 101. guide rod; 11. support block; 12. support plate; 13. second gear; 14. steel pipe fixing assembly; 2. bracket; 21. support rod; 22. spring; 3. motor; 31. transmission shaft; 32. first gear; 4. movable rod; 41. knocking hammer; 42. sliding rod; 5. turntable; 501. groove; 51. limit rod; 6. combined rack. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-5 The utility model provides a technical solution: a toughness testing device for a stainless steel pipe, comprising a workbench 1, a bracket 2 arranged in an L shape is fixedly connected to the top of the workbench 1, a motor 3 is fixedly installed on the outer wall of one side of the bracket 2, a transmission shaft 31 is fixedly connected to the output end of the motor 3, and the transmission shaft 31 passes through the side wall of the bracket 2 and extends to the inner side, one end of the transmission shaft 31 is fixedly connected to a first gear 32, one side of the first gear 32 is fixedly connected to a turntable 5, a groove 501 is provided on the outer surface of the turntable 5 near the edge, a limit rod 51 is fixedly connected to the inner surface of the groove 501, a movable rod 4 is slidably connected to the top of the bracket 2, and a hammer 41 is fixedly connected to the top of one end of the movable rod 4, The outer surface of one side of the movable rod 4 is located at the upper end of the striking hammer 41 and is fixedly connected to a sliding rod 42. Support blocks 11 are fixedly connected to the lower end of the first gear 32 on both sides of the top of the workbench 1. Guide rods 101 are fixedly connected between the inner walls of the two support blocks 11. The outer surfaces of the guide rods 101 are slidably connected to a combined rack 6 with tooth blocks distributed on both sides, and one side of the combined rack 6 is meshed with the first gear 32. A support plate 12 is fixedly connected to the middle of one side of the two support blocks 11 on the top of the workbench 1, and a second gear 13 is rotatably connected to one side of the support plate 12, and the second gear 13 is meshed with the other side of the combined rack 6. A steel pipe fixing component 14 is fixedly connected to the outer surface of one end of the second gear 13.

[0019] Furthermore, a support rod 21 is slidably connected to the inner surface of the bracket 2, and the support rod 21 is fixedly connected to the movable rod 4. A spring 22 is fixedly connected between the top of the support rod 21 and the top of the inner wall of the bracket 2, and the spring 22 is sleeved on the outer end of the movable rod 4. The movable rod 4 slides upward along the rectangular groove set on the inner surface of the bracket 2 through the support rod 21, so that the support rod 21 compresses the spring 22.

[0020] Furthermore, the edge of the groove 501 is arranged in an arc shape, and the sliding rod 42 will slide along the inner surface of the groove 501 arranged in the arc shape.

[0021] Furthermore, the striking hammer 41 corresponds to the steel pipe fixing assembly 14 up and down, and the striking hammer 41 strikes the steel pipe fixing assembly 14 downward.

[0022] Furthermore, the sliding rod 42 is slidably connected to the outer surface of the turntable 5, the inner surface of the groove 501, and the outer surface of the limiting rod 51 respectively. The sliding rod 42 slides along the outer surface of the turntable 5 to one side of the groove 501, so that the knocking hammer 41 can knock on the steel pipe fixing component 14, and then slides along the outer surface of the limiting rod 51 to the other side of the groove 501, so that the knocking hammer 41 can knock on the steel pipe fixing component 14 for the second time.

[0023] Specifically, when using the utility model, first fix the stainless steel pipe at the steel pipe fixing component 14, then start the motor 3 to drive the transmission shaft 31 to rotate, the transmission shaft 31 will drive the first gear 32 to rotate, the first gear 32 will drive the turntable 5 to rotate, when the slide bar 42 slides along the outer surface of the turntable 5 to one side of the groove 501, the hammer 41 can knock the steel pipe fixing component 14, and then slide along the outer surface of the limit rod 51 to the other side of the groove 501, the hammer 41 can knock the steel pipe fixing component 14 for the second time, in this process, the slide bar 42 will drive the movable The rod 4 slides reciprocatingly up and down, and the movable rod 4 slides upward through the support rod 21 along the rectangular groove set on the inner surface of the bracket 2, so that the support rod 21 compresses the spring 22, and at the same time, the first gear 32 rotates and drives the combined rack 6 to move through meshing, and the combined rack 6 will slide to one side along the guide rod 101. At this time, the person on the other side of the combined rack 6 will drive the second gear 13 to rotate through meshing, so that the second gear 13 will drive the steel pipe fixing assembly 14 to rotate. When the steel pipe fixing assembly 14 rotates to the un-beaten side, the knocking hammer 41 will knock the steel pipe fixing assembly 14 downward, thereby improving the detection efficiency.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe toughness testing device, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected to a bracket (2) arranged in an L shape, a motor (3) is fixedly installed on an outer wall of one side of the bracket (2), an output end of the motor (3) is fixedly connected to a transmission shaft (31), and the transmission shaft (31) passes through the side wall of the bracket (2) and extends to the inner side, one end of the transmission shaft (31) is fixedly connected to a first gear (32), one side of the first gear (32) is fixedly connected to a rotating disk (5), a groove (501) is provided on the outer surface of the rotating disk (5) near the edge, and a limiting rod (51) is fixedly connected to the inner surface of the groove (501), a movable rod (4) is slidably connected to the top of the bracket (2), a knocking hammer (41) is fixedly connected to the top of one end of the movable rod (4), and the outer surface of one side of the movable rod (4) is located at a knocking hammer The upper end of the workbench (41) is fixedly connected with a sliding rod (42), and both sides of the top of the workbench (1) are fixedly connected with support blocks (11) located at the lower end of the first gear (32), and the inner walls of the two support blocks (11) are fixedly connected with a guide rod (101), and the outer surface of the guide rod (101) is slidably connected with a combined rack (6) with tooth blocks distributed on both sides, and one side of the combined rack (6) is meshingly connected with the first gear (32), and the top of the workbench (1) is fixedly connected with a support plate (12) located in the middle of one side of the two support blocks (11), and one side of the support plate (12) is rotatably connected with a second gear (13), and the second gear (13) is meshingly connected with the other side of the combined rack (6), and the outer surface of one end of the second gear (13) is fixedly connected with a steel pipe fixing component (14).

2. The toughness testing device for a stainless steel pipe according to claim 1, characterized in that: The inner surface of the bracket (2) is slidably connected to a support rod (21), and the support rod (21) is fixedly connected to the movable rod (4). A spring (22) is fixedly connected between the top of the support rod (21) and the top of the inner wall of the bracket (2), and the spring (22) is sleeved on the outer end of the movable rod (4).

3. The toughness testing device for a stainless steel pipe according to claim 1, characterized in that: The edge of the groove (501) is arranged in an arc shape.

4. The toughness testing device for a stainless steel pipe according to claim 1, characterized in that: The striking hammer (41) corresponds to the steel pipe fixing assembly (14) up and down.

5. The toughness testing device for a stainless steel pipe according to claim 1, characterized in that: The sliding rod (42) is slidably connected to the outer surface of the rotating disk (5), the inner surface of the groove (501), and the outer surface of the limiting rod (51).

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