Metal tube tensile test device

By designing a metal tube tensile testing device that forms a closed state in the tensile area, the problems of fragment splashing and manual judgment dependence in traditional devices are solved, and the effect of improving safety and working efficiency is achieved.

CN222800470UActive Publication Date: 2025-04-25SUZHOU MUDU SPECIAL STEEL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421144815.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-04-25
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

Traditional metal pipe tensile testing devices have safety hazards. Debris may splash everywhere when the steel pipe breaks, and distinguishing between qualified and unqualified products rely on manual judgment, which is inefficient and prone to errors.

Method used

A metal tube tensile testing device is designed. The tensile area is formed in a closed state through a sealed plate and a hidden plate to avoid splashing debris, and distinguish qualified and unqualified products through an automatic flow diversion system.

Benefits of technology

It effectively avoids the safety hazards of debris splashing when steel pipes break, improves the safety and work efficiency of operators, ensures the objectivity and reliability of test results, and saves manpower and time costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222800470U_ABST
    Figure CN222800470U_ABST
Patent Text Reader

Abstract

The utility model provides a metal tube tensile test device. The metal tube tensile test device comprises a tensile box, two hidden plates are fixedly connected to the tensile box, hidden grooves are formed in the hidden plates, sealing plates are slidably connected into the hidden grooves, a guide groove is formed in the left side of the tensile box, and a sealing motor is mounted on the left side of the tensile box; the driving end of the closed motor is fixedly connected with a closed threaded rod, the closed threaded rod is in threaded connection with two closed threaded plates, the closed threaded plates are fixedly connected with a closed plate, and an observation window is formed in the closed plate. The metal tube tensile test device provided by the utility model has the effects of improving the overall working efficiency and saving manpower and time cost.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of metal tube tensile testing, in particular to a metal tube tensile testing device. Background Art

[0002] In the production and quality inspection process of metal tubes, tensile test is an important test method. The test to determine a series of characteristics of materials under tensile load is called tensile test. It is one of the basic methods for testing the mechanical properties of materials. It is mainly used to check whether the materials meet the prescribed standards and study the performance of the materials.

[0003] However, there are some safety hazards in the traditional metal tube tensile test device. First, in the traditional tensile test device, the stretching area is usually open. This causes fragments to fly everywhere during the stretching process, especially when the steel tube breaks, posing a serious threat to the personal safety of the operator. Secondly, the existing technology often relies on manual judgment and operation after unloading to distinguish qualified and unqualified products in tensile testing, which is not only inefficient, but also prone to errors and confusion. This not only increases labor costs, but may also lead to inaccurate test results, seriously affecting the work progress.

[0004] Therefore, it is necessary to provide a metal tube tensile testing device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a metal tube tensile testing device, which solves the problem that when a steel tube breaks in the tensile area, fragments may splash everywhere, and the distinction between qualified and unqualified products in tensile testing often relies on manual judgment and operation after unloading.

[0006] In order to solve the above technical problems, the utility model provides a metal tube tensile testing device including: a stretching box, two hidden plates are fixedly connected to the stretching box, a hidden groove is provided on the hidden plate, a closed plate is slidably connected inside the hidden groove, a guide groove is provided on the left side of the stretching box, a closed motor is installed on the left side of the stretching box, a closed threaded rod is fixedly connected to the driving end of the closed motor, two closed threaded plates are threadedly connected to the closed threaded rod, the closed threaded plate is fixedly connected to the closed plate, and an observation window is provided on the closed plate.

[0007] Preferably, a fixed clamping mechanism is fixedly connected inside the stretching box, a stretching motor is installed on the right side of the stretching box, a stretching threaded rod is fixedly connected to the driving end of the stretching motor, a movable plate is threadedly connected to the surface of the stretching threaded rod, a movable clamping mechanism is installed on the movable plate, and a stretching guide block is fixedly connected to the inner wall of the stretching box.

[0008] Preferably, a material guide motor is installed on the right side of the stretching box, the driving end of the material guide motor is fixedly connected to a material guide shaft, a material discharge chute is opened at the bottom of the stretching box, a material guide plate is fixedly connected to the material guide shaft, and a lap plate is fixedly connected to the material guide plate.

[0009] Preferably, a heating tube is installed inside the stretching box, and four supporting columns are fixedly connected to the bottom of the stretching box.

[0010] Preferably, a control panel is fixedly connected to the right side of the stretching box, a display screen is installed on the control panel, and control buttons are arranged on the control panel.

[0011] Preferably, the control board is electrically connected to the sealed motor, the control board is electrically connected to the stretching motor, and the control board is electrically connected to the material guiding motor.

[0012] Compared with the related art, the metal tube tensile test device provided by the utility model has the following features:

[0013] Beneficial effects:

[0014] By keeping the stretching area in a closed state, the device can effectively prevent the splashing of fragments when the steel pipe is stretched and broken, causing harm to the operator, greatly reducing the risk of safety accidents. Even in long-term, high-intensity tensile tests, operators do not need to worry about their own safety all the time, and can work more attentively and safely, thereby improving overall work efficiency and quality. At the same time, qualified and unqualified products are automatically diverted to different areas for distinction, avoiding errors and confusion that may be caused by manual judgment. This innovation ensures the objectivity and reliability of the test results, provides accurate data support for subsequent product quality evaluation and process improvement, helps to improve the overall quality and performance of metal pipes, and saves a lot of manpower and time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a metal tube tensile testing device provided by the utility model;

[0016] Figure 2 for Figure 1 A bottom view schematic diagram of a metal tube tensile test apparatus shown;

[0017] Figure 3 for Figure 1 The internal structure diagram of the stretching box shown;

[0018] Figure 4 for Figure 1 An enlarged schematic diagram of part A is shown.

[0019] Numbers in the figure: 1. stretching box, 2. hidden plate, 3. hidden groove, 4. closed plate, 5. guide groove, 6. closed motor, 7. closed threaded rod, 8. closed threaded plate, 9. observation window, 10. fixed clamping mechanism, 11. stretching motor, 12. stretching threaded rod, 13. movable plate, 14. movable clamping mechanism, 15. stretching guide block, 16. material guide motor, 17. material guide shaft, 18. material discharge trough, 19. material guide plate, 20. heating tube, 21. support column, 22. control panel, 23. display screen, 24. control button, 25. overlap plate. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a metal tube tensile testing device provided by the utility model; Figure 2 for Figure 1 A bottom view schematic diagram of a metal tube tensile test apparatus shown; Figure 3 for Figure 1 The internal structure diagram of the stretching box shown;

[0022] Figure 4 for Figure 1 A schematic diagram of the enlarged portion A is shown. A metal tube tensile test device comprises: a tensile box 1, two hidden plates 2 are fixedly connected to the tensile box 1, a hidden groove 3 is provided on the hidden plate 2, a closed plate 4 is slidably connected inside the hidden groove 3, a guide groove 5 is provided on the left side of the tensile box 1, a closed motor 6 is installed on the left side of the tensile box 1, a closed threaded rod 7 is fixedly connected to the driving end of the closed motor 6, two closed threaded plates 8 are threadedly connected to the closed threaded rod 7, the closed threaded plate 8 is fixedly connected to the closed plate 4, and an observation window 9 is provided on the closed plate 4. The device can effectively prevent the splashing of fragments when the steel tube is stretched and broken to cause harm to the operator by making the tensile area in a closed state, greatly reducing the risk of safety accidents.

[0023] A fixed clamping mechanism 10 is fixedly connected inside the stretching box 1, a stretching motor 11 is installed on the right side of the stretching box 1, a stretching threaded rod 12 is fixedly connected to the driving end of the stretching motor 11, a movable plate 13 is threadedly connected to the surface of the stretching threaded rod 12, a movable clamping mechanism 14 is installed on the movable plate 13, and a stretching guide block 15 is fixedly connected to the inner wall of the stretching box 1. After the steel pipe is placed, the fixed clamping mechanism 10 and the movable clamping mechanism 14 clamp both ends of the steel pipe, and the stretching motor 11 is started to drive the movable plate 13 to move, so as to stretch the steel pipe.

[0024] A material guiding motor 16 is installed on the right side of the stretching box 1, and a material guiding shaft 17 is fixedly connected to the driving end of the material guiding motor 16. A material discharge chute 18 is provided at the bottom of the stretching box 1, and a material guiding plate 19 is fixedly connected to the material guiding shaft 17, and a lap plate 25 is fixedly connected to the material guiding plate 19. The material guiding motor 16 is started according to whether the stretching is qualified, which can drive the lap plate 25 to rotate and overlap on the material discharge chute 18, thereby driving the material guiding plate 19 to move, so as to separate the qualified and unqualified steel pipes and guide them to both sides respectively.

[0025] A heating tube 20 is installed inside the stretching box 1. Four supporting columns 21 are fixedly connected to the bottom of the stretching box 1. The heating tube 20 can heat the inside of the stretching box 1 to test the stretching data of the steel pipe at different temperatures.

[0026] A control panel 22 is fixedly connected to the right side of the stretching box 1. A display screen 23 is installed on the control panel 22. A control button 24 is arranged on the control panel 22. The display screen 23 and the control button 24 on the control panel 22 help to complete the interaction between people and the device.

[0027] The control board 22 is electrically connected to the sealed motor 6, the control board 22 is electrically connected to the stretching motor 11, and the control board 22 is electrically connected to the material guiding motor 16. The control board 22 controls the operation and shutdown of the three motors through the electrical connection.

[0028] The working principle of a metal tube tensile test device provided by the utility model is as follows:

[0029] After placing the steel pipe on the stretching assembly, start the sealed motor 6, which drives the sealed threaded rod 7 to rotate. Since two thread grooves in different directions are provided on the sealed threaded rod 7, the two sealed threaded plates 8 can approach or move away from each other at the same time, thereby driving the two sealed plates 4 to approach each other and cover the top of the stretching area. When the steel pipe breaks during stretching, the flying debris will not cause harm to the operator. The operator can observe the internal situation of the stretching box 1 through the observation window 9. When the sealed plate 4 is not in use, the sealed plate 4 will be retracted by two-thirds into the hidden plate 2 to avoid affecting the feeding of the steel pipe.

[0030] Compared with the related art, the metal tube tensile test device provided by the utility model has the following features:

[0031] Beneficial effects:

[0032] By keeping the stretching area in a closed state, the device can effectively prevent the splashing of fragments when the steel pipe is stretched and broken, causing harm to the operator, greatly reducing the risk of safety accidents. Even in long-term, high-intensity tensile tests, operators do not need to worry about their own safety all the time, and can work more attentively and safely, thereby improving overall work efficiency and quality. At the same time, qualified and unqualified products are automatically diverted to different areas for distinction, avoiding errors and confusion that may be caused by manual judgment. This innovation ensures the objectivity and reliability of the test results, provides accurate data support for subsequent product quality evaluation and process improvement, helps to improve the overall quality and performance of metal pipes, and saves a lot of manpower and time costs.

[0033] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A metal tube tensile test device, characterized in that: include: A stretching box, wherein two hidden plates are fixedly connected to the stretching box, a hidden groove is provided on the hidden plate, a closed plate is slidably connected inside the hidden groove, a guide groove is provided on the left side of the stretching box, a closed motor is installed on the left side of the stretching box, a closed threaded rod is fixedly connected to the driving end of the closed motor, two closed threaded plates are threadedly connected to the closed threaded rod, the closed threaded plate is fixedly connected to the closed plate, and an observation window is provided on the closed plate.

2. A metal tube tensile testing device according to claim 1, characterized in that: A fixed clamping mechanism is fixedly connected inside the stretching box, a stretching motor is installed on the right side of the stretching box, a stretching threaded rod is fixedly connected to the driving end of the stretching motor, a movable plate is threadedly connected to the surface of the stretching threaded rod, a movable clamping mechanism is installed on the movable plate, and a stretching guide block is fixedly connected to the inner wall of the stretching box.

3. A metal tube tensile testing device according to claim 1, characterized in that: A material guiding motor is installed on the right side of the stretching box, a material guiding shaft is fixedly connected to the driving end of the material guiding motor, a material discharge chute is provided at the bottom of the stretching box, a material guiding plate is fixedly connected to the material guiding shaft, and a lap plate is fixedly connected to the material guiding plate.

4. A metal tube tensile testing device according to claim 1, characterized in that: A heating tube is installed inside the stretching box, and four supporting columns are fixedly connected to the bottom of the stretching box.

5. The metal tube tensile testing device according to claim 1, characterized in that: A control panel is fixedly connected to the right side of the stretching box, a display screen is installed on the control panel, and control buttons are arranged on the control panel.

6. A metal tube tensile testing device according to claim 5, characterized in that: The control board is electrically connected to the sealed motor, the control board is electrically connected to the stretching motor, and the control board is electrically connected to the material guiding motor.