Tensile property test equipment for aluminum alloy research and development

Abstract

The invention discloses tensile property test equipment for aluminum alloy research and development, and belongs to the technical field of aluminum alloy detection, the tensile property test equipment comprises a test board and two detection semi-rings used for detecting an aluminum alloy cable, the tops of the front end and the rear end of the test board are fixedly connected with power connection seats, and one side of each power connection seat is provided with a pressing and pulling assembly used for applying pulling force to the aluminum alloy cable. Through the arrangement of the pressing and pulling assembly and the limiting ring, the aluminum alloy cable can be integrally limited by using the pulling roller and the limiting ring, and the stretching state of the aluminum alloy in the laying process is simulated in the stretching test process, so that the stretching detection is more suitable for the use condition of the aluminum alloy cable; meanwhile, through the arrangement of a regulation and control assembly and a liquid storage tank, the whole acid-base liquid can be driven to be comprehensively sprayed on the periphery of the aluminum alloy cable by regulating and controlling the deflection and upward movement state change of an arc-shaped magnetic plate, the burying state of the aluminum alloy cable in acid-base soil is simulated, and the whole detection is more comprehensive.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum alloy detection, and in particular to a tensile property test device for aluminum alloy research and development. Background Art

[0002] Aluminum alloy cable is a new type of power cable with aluminum alloy as conductor. It has excellent conductivity and mechanical properties. Aluminum alloy cable usually uses AA8030 series aluminum alloy material as conductor and is manufactured through special pressing process and annealing treatment technology.

[0003] When the aluminum alloy cable is being laid and installed, it will be pulled continuously. At the same time, when it is laid and installed on some terrains, it is also necessary to be bent and stretched to a certain extent. The aluminum alloy cable needs to have good bending performance and creep resistance. After being buried underground, the aluminum alloy cable will be corroded all the year round. The aluminum alloy cable is required to have high corrosion resistance to ensure that it can maintain stable performance under long-term overload and overheating. In summary, a tensile performance test equipment for aluminum alloy research and development is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the problem in the prior art that when laying and installing on certain terrains, the aluminum alloy cable needs to be bent to a certain extent and then stretched. The aluminum alloy cable needs to have good bending performance and creep resistance. After the aluminum alloy cable is buried underground, it will be corroded all the year round, and the aluminum alloy cable needs to have higher corrosion resistance. A tensile performance test equipment for aluminum alloy research and development is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A tensile performance test equipment for aluminum alloy research and development, comprising a test bench and two detection half rings for detecting aluminum alloy cables, the tops of the front and rear ends of the test bench are fixedly connected to a power socket, and one side of the power socket is provided with a compression and tension component for applying tension to the aluminum alloy cable;

[0007] The two detection semi-rings are connected by an electrically-controlled hinge, and two control components for adjusting the deflection angle of the detection semi-ring are arranged on one side of the electrically-controlled hinge, and a supporting magnetic seat is arranged between the two control components. The side walls at both ends of the electrically-controlled hinge are fixedly connected with a limiting ring through a cross bar, and a plurality of arc-shaped grooves are opened on the detection semi-ring. The inner side wall of the arc-shaped groove is connected with a simulation detection component for simulating the use environment of the aluminum alloy cable, and the inner side wall of the detection semi-ring is fixedly connected with a plurality of pressurized airbags.

[0008] Preferably, a mounting ring for assembling and fixing with an aluminum alloy cable is fixedly connected to the top of the power socket, and a multimeter for testing the current and voltage of the aluminum alloy cable when it is powered is electrically connected to one side of the power socket.

[0009] Preferably, the compression and pulling assembly consists of a pulling roller and two hydraulic push columns, the top of the test bench is fixedly connected to the bottom of the hydraulic push columns, and the side wall of the output end of the hydraulic push columns is rotatably connected to the end of the pulling roller.

[0010] Preferably, the electrically controlled hinge is rotatably connected to two detection half rings respectively, the detection half ring located at the top is made of aluminum alloy, the detection half ring located at the bottom is made of magnet material, and the supporting magnetic suction seat is made of magnet material.

[0011] Preferably, the regulating assembly consists of an electric control rail and a regulating arc-shaped magnetic plate, the electric control rail is slidably connected to a regulating seat, and the top of the regulating seat is fixedly connected to a control seat via a hydraulic cylinder.

[0012] Preferably, an electric control guide groove is provided on the side wall of the control seat, the inner side wall of the electric control guide groove is slidably connected to the side wall of the regulating arc-shaped magnetic plate, and the inner side wall of the regulating arc-shaped magnetic plate is provided with a docking groove adapted to the electric control hinge.

[0013] Preferably, the simulation detection component is composed of multiple liquid storage tanks and arc-shaped nozzles. The multiple liquid storage tanks located at the front end of the detection semi-ring are filled with acidic liquid, and the multiple liquid storage tanks located at the rear end of the detection semi-ring are filled with alkaline liquid. Micro hydraulic pumps are provided in the multiple liquid storage tanks, and the liquid storage tanks are fixedly connected to the inner side wall of the arc-shaped groove of the detection semi-ring through the arc-shaped nozzle.

[0014] Preferably, a plurality of receiving grooves are provided on the inner side wall of the detection semi-ring, a micro air pump is fixedly connected to the inner side wall of the receiving groove, an output end of the micro air pump is fixedly connected to the pressurized air bag, and the limiting ring is located at the axial center position of the detection semi-ring.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This scheme can use the pulling roller and the limiting ring to limit the overall position of the aluminum alloy cable through the setting of the compression and tension components and the limiting ring, and simulate the tensile state of the aluminum alloy during the laying process during the tensile test, so that the tensile test is more suitable for the use of the aluminum alloy cable.

[0017] 2. Through the setting of the control components and the liquid storage tank, this scheme can utilize the deflection and upward movement state changes of the control arc magnetic plate to drive the overall acid-base liquid to be fully sprayed on the periphery of the aluminum alloy cable, simulating its buried state in acid-base soil. The change in the upward movement state allows the aluminum alloy cable to be bent at a larger angle through the limiting ring, simulating the bending state during the laying process, making the entire detection more comprehensive.

[0018] 3. This scheme uses the setting of a pressurized airbag to utilize the changes in air pressure inside the pressurized airbag and, during the continuous deflection process, to achieve friction and compression on the outside of the aluminum alloy cable, simulating the friction and pressure state it is subjected to during laying and burying. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the three-dimensional structure of a tensile property test equipment for aluminum alloy research and development proposed by the present invention;

[0020] Figure 2 This is an assembly diagram of a tensile properties test equipment for aluminum alloy research and development proposed by the present invention;

[0021] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of a control component in a tensile properties test equipment for aluminum alloy research and development proposed by the present invention;

[0023] Figure 5 This is a structural schematic diagram of the positions of multiple liquid storage tanks in a tensile properties test equipment for aluminum alloy research and development proposed by the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the interior of a detection half ring in a tensile performance test device for aluminum alloy research and development proposed by the present invention;

[0025] Figure 7 This is a schematic diagram of the structure of a detection half ring in a tensile properties test device for aluminum alloy research and development proposed by the present invention.

[0026] In the figure: 1. Test bench; 2. Detection half ring; 3. Electric socket; 4. Mounting ring; 5. Hydraulic push column; 6. Pulling roller; 7. Electric control guide rail; 8. Adjustment seat; 9. Hydraulic cylinder; 10. Control seat; 11. Adjustment arc magnetic plate; 12. Support magnetic seat; 13. Electric control hinge; 14. Liquid storage tank; 15. Arc nozzle; 16. Limiting ring; 17. Micro air pump; 18. Pressurized air bag. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Example, see Figures 1 to 7 , a tensile performance test equipment for aluminum alloy research and development, comprising a test bench 1 and two detection half rings 2 for detecting aluminum alloy cables, the top of the front and rear ends of the test bench 1 are fixedly connected to a power socket 3, and one side of the power socket 3 is provided with a compression and tension component for applying tension to the aluminum alloy cable;

[0031] Furthermore, the top of the power socket 3 is fixedly connected with a mounting ring 4 for assembling and fixing with the aluminum alloy cable, and one side of the power socket 3 is electrically connected with a multimeter for testing the current and voltage of the aluminum alloy cable when it is powered on. The compression and pulling assembly is composed of a pulling roller 6 and two hydraulic push columns 5. The top of the test bench 1 is fixedly connected to the bottom of the hydraulic push column 5, and the side wall of the output end of the hydraulic push column 5 is rotatably connected to the end of the pulling roller 6;

[0032] It should be noted that: the aluminum alloy cable to be tested is placed in the opened test half ring 2, and after the aluminum alloy cable is pressed above the pulling roller 6, the two ends are respectively connected to the power sockets 3 at the front and rear ends, and then the ends of the aluminum alloy cable are limited and fixed by installing the sleeve ring 4. When the aluminum alloy cable needs to be tensile tested, the hydraulic push column 5 is synchronously controlled to push the pulling roller 6 upward, and the two ends of the aluminum alloy cable are continuously pulled, wherein the aluminum alloy cable is subjected to the greatest tensile compression at the pulling roller 6 and the limiting ring 16, simulating the tensile state of the aluminum alloy cable during the laying process, in which the laying personnel drag the cable to the ground contact part and are subjected to the greatest tensile tension, and the current and voltage of the entire circuit are measured by the multimeter at the power socket 3 to determine whether the aluminum alloy cable is affected in this state;

[0033] The above advantages are as follows: the pulling roller 6 and the limiting ring 16 can be used to limit the aluminum alloy cable as a whole, and the tensile state of the aluminum alloy during the laying process can be simulated during the tensile test, so that the tensile test is more suitable for the use of the aluminum alloy cable;

[0034] The two detection half rings 2 are connected by an electric control hinge 13. Two control components for adjusting the deflection angle of the detection half ring 2 are arranged on one side of the electric control hinge 13. A supporting magnetic seat 12 is arranged between the two control components. The side walls at both ends of the electric control hinge 13 are fixedly connected with a limiting ring 16 through a cross bar.

[0035] Furthermore, the electric control hinge 13 is rotatably connected with the two detection half rings 2 respectively, the detection half ring 2 located at the top is made of aluminum alloy, the detection half ring 2 located at the bottom is made of magnet material, the support magnetic suction seat 12 is made of magnet material, the control component is composed of an electric control rail 7 and a control arc magnetic plate 11, the electric control rail 7 is slidably connected with the control seat 8, the top of the control seat 8 is fixedly connected with the control seat 10 through the hydraulic cylinder 9, the side wall of the control seat 10 is provided with an electric control guide groove, and the inner side wall of the electric control guide groove is connected with the control arc magnetic plate 11. The side wall of the plate 11 is slidably connected, and a docking groove adapted to the electric control hinge 13 is provided on the inner wall of the regulating arc-shaped magnetic plate 11. The simulation detection component is composed of a plurality of liquid storage tanks 14 and an arc-shaped nozzle 15. The plurality of liquid storage tanks 14 located at the front end of the detection semi-ring 2 are filled with acidic liquid, and the plurality of liquid storage tanks 14 located at the rear end of the detection semi-ring 2 are filled with alkaline liquid. Micro hydraulic pumps are provided in the plurality of liquid storage tanks 14. The liquid storage tanks 14 are fixedly connected to the inner wall of the arc groove of the detection semi-ring 2 through the arc-shaped nozzle 15.

[0036] It should be noted that: in the subsequent detection process, the electric control guide rail 7 is started to control the adjustment seat 8 to slide, and then the control seat 10 and the adjustment arc magnetic plate 11 are driven to slide together through the hydraulic cylinder 9. At the same time, the electric control hinge 13 will control the two detection semi-rings 2 to close. After the adjustment arc magnetic plate 11 moves, it will dock with the electric control hinge 13 and the two closed detection semi-rings 2, and through the magnetic attraction limit of the adjustment arc magnetic plate 11 and the lower detection semi-ring 2, the two liquid storage tanks 14 limit the adjustment arc magnetic plate 11 to prevent subsequent deviation. Then, the adjustment arc magnetic plate 11 is controlled to slide back and forth within a certain arc in the electric control guide groove of the control seat 10. This is a prior art method and will not be used. Too much elaboration, and then drive the two closed detection semi-rings 2 to deflect at a certain angle around the aluminum alloy cable, and at the same time, the alkaline liquid and pickling liquid in different liquid storage tanks 14 are sprayed out through the arc nozzle 15 to simulate the buried state of the aluminum alloy cable in the alkaline soil and the pickling soil. The deflection of the detection semi-ring 2 at a certain angle can make the entire simulated spraying range more comprehensive, and then start the hydraulic cylinder 9 to push the arc magnetic plate 11 upward, and then drive the limiting ring 16 upward through the electric control hinge 13, so that the aluminum alloy cable is stretched after being bent to a large extent at the limiting ring 16. In this process, the current and voltage of the entire circuit are still measured by the multimeter at the electric socket 3 to judge the detection situation;

[0037] The above advantages are as follows: in this way, the deflection and upward movement state change of the arc-shaped magnetic plate 11 can be controlled to drive the entire acid-base liquid to be fully sprayed on the periphery of the aluminum alloy cable, simulating its buried state in the acid-base soil. The change in the upward movement state allows the aluminum alloy cable to be bent at a larger angle through the limiting ring 16, simulating the bending state during the laying process, making the entire detection more comprehensive;

[0038] The detection semi-ring 2 is provided with a plurality of arc-shaped grooves, the inner side walls of which are connected with simulation detection components for simulating the use environment of the aluminum alloy cable, and the inner side walls of the detection semi-ring 2 are fixedly connected with a plurality of pressurized air bags 18;

[0039] Furthermore, a plurality of receiving grooves are provided on the inner side wall of the detection half ring 2, a micro air pump 17 is fixedly connected to the inner side wall of the receiving groove, an output end of the micro air pump 17 is fixedly connected to the booster air bag 18, and the limiting ring 16 is located at the axial center position of the detection half ring 2;

[0040] It should be noted that: during the deflection of the two detection half rings 2, the multiple pressurized airbags 18 on the inner wall will be synchronously driven to deflect, and the pressurized airbags 18 will be expanded and pressed against the aluminum alloy cable by starting the micro air pump 17. The expanded pressurized airbags 18 continuously squeeze and rub against the outer side of the aluminum alloy cable, simulating the friction and pressure state of the aluminum alloy cable during the laying and burying process;

[0041] The above advantages are: in this way, the air pressure change inside the pressurized airbag 18 can be utilized, and in the continuous deflection process, the friction and compression of the outer side of the aluminum alloy cable can be achieved, simulating the friction and compression state of the aluminum alloy cable during the laying process and burial;

[0042] When the present invention is in use, the aluminum alloy cable to be tested is placed in the opened test half ring 2, and after the aluminum alloy cable is pressed above the pulling roller 6, the two ends are respectively connected to the power receiving seats 3 at the front and rear ends, and then the ends of the aluminum alloy cable are limited and fixed by installing the sleeve ring 4. When the aluminum alloy cable needs to be stretched, the hydraulic push column 5 is synchronously controlled to push the pulling roller 6 upward, and the two ends of the aluminum alloy cable are continuously pulled, wherein the aluminum alloy cable is subjected to the greatest stretching pressure at the pulling roller 6 and the limiting ring 16, simulating the stretching state of the aluminum alloy cable in the laying process, in which the laying personnel drag the cable to the ground and are subjected to the greatest stretching, and the current and voltage of the entire circuit are measured by the multimeter at the power receiving seat 3 to determine whether the aluminum alloy cable affects the use in this state. In this way, the pulling roller 6 and the limiting ring 16 can be used to limit the aluminum alloy cable as a whole, and the stretching state of the aluminum alloy during the laying process is simulated during the tensile test, so that the tensile test is more in line with the use of the aluminum alloy cable.

[0043] In the subsequent detection process, the electric control guide rail 7 is started to control the adjustment seat 8 to slide, and then the control seat 10 and the adjustment arc magnetic plate 11 are driven to slide together through the hydraulic cylinder 9. At the same time, the electric control hinge 13 will control the two detection semi-rings 2 to close. After the adjustment arc magnetic plate 11 moves, it will dock with the electric control hinge 13 and the two closed detection semi-rings 2, and through the magnetic attraction limit of the adjustment arc magnetic plate 11 and the lower detection semi-ring 2, the two liquid storage tanks 14 limit the adjustment arc magnetic plate 11 to prevent subsequent deviation. Then, the control arc magnetic plate 11 is controlled to slide back and forth within a certain arc in the electric control guide groove of the control seat 10. This is a prior art means and will not be elaborated on. Then, the two detection semi-rings 2 in the closed state are driven to deflect at a certain angle around the periphery of the aluminum alloy cable. At the same time, the alkaline liquid and pickling liquid in different liquid storage tanks 14 are The arc-shaped spray nozzle 15 is used to spray out to simulate the buried state of the aluminum alloy cable in the alkaline soil and the pickled soil. The deflection of the detection half ring 2 at a certain angle can make the entire simulated spraying range more comprehensive. Then, the hydraulic cylinder 9 is started to push the arc-shaped magnetic plate 11 to move upward, and then the limiting ring 16 is driven to move upward through the electric hinge 13, so that the aluminum alloy cable is stretched after being subjected to a large bending at the limiting ring 16. In this process, the current and voltage of the entire circuit are still measured by the multimeter at the electric socket 3 to judge the detection situation. In this way, the deflection and upward movement state change of the arc-shaped magnetic plate 11 can be used to drive the overall acid-base liquid to be fully sprayed on the periphery of the aluminum alloy cable to simulate its buried state in the acid-base soil. The change in the upward movement state causes the aluminum alloy cable to be bent at a larger angle through the limiting ring 16, simulating the bending state during the laying process, making the entire detection more comprehensive.

[0044] During the deflection of the two detection semi-rings 2, the multiple pressurized airbags 18 on the inner wall will be synchronously driven to deflect. The pressurized airbags 18 will be expanded and pressed against the aluminum alloy cable by starting the micro air pump 17. The expanded pressurized airbags 18 will continuously squeeze and rub against the outside of the aluminum alloy cable, simulating the friction and pressure state of the aluminum alloy cable during the laying and burying process. In this way, the air pressure changes inside the pressurized airbags 18 can be utilized, and in the continuous deflection process, the friction and pressure state of the outside of the aluminum alloy cable can be achieved, simulating the friction and pressure state of the aluminum alloy cable during the laying and burying process.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tensile properties test equipment for aluminum alloy research and development, comprising a test bench (1) and two test half rings (2) for testing aluminum alloy cables, characterized in that: The tops of the front and rear ends of the test bench (1) are fixedly connected to a power connection seat (3), and a compression and tension component for applying tension to the aluminum alloy cable is provided on one side of the power connection seat (3); The two detection semi-rings (2) are connected by an electric-controlled hinge (13), and two control components for adjusting the deflection angle of the detection semi-ring (2) are arranged on one side of the electric-controlled hinge (13). A supporting magnetic suction seat (12) is arranged between the two control components. The side walls at both ends of the electric-controlled hinge (13) are fixedly connected to a limiting ring (16) through a cross bar. A plurality of arc-shaped grooves are opened on the detection semi-ring (2), and the inner side walls of the arc-shaped grooves are connected to a simulation detection component for simulating the use environment of an aluminum alloy cable. The inner side walls of the detection semi-ring (2) are fixedly connected to a plurality of pressurized airbags (18).

2. The tensile properties test equipment for aluminum alloy research and development according to claim 1, characterized in that: The top of the power socket (3) is fixedly connected to a mounting ring (4) for assembling and fixing with the aluminum alloy cable, and one side of the power socket (3) is electrically connected to a multimeter for testing the current and voltage conditions of the aluminum alloy cable when it is powered on.

3. The tensile properties test equipment for aluminum alloy research and development according to claim 1, characterized in that: The compression and pulling assembly is composed of a pulling roller (6) and two hydraulic push columns (5); the top of the test bench (1) is fixedly connected to the bottom of the hydraulic push column (5); and the side wall of the output end of the hydraulic push column (5) is rotatably connected to the end of the pulling roller (6).

4. The tensile properties test equipment for aluminum alloy research and development according to claim 1, characterized in that: The electric control hinge (13) is rotatably connected to the two detection half rings (2) respectively; the detection half ring (2) located at the top is made of aluminum alloy, the detection half ring (2) located at the bottom is made of magnet material, and the supporting magnetic suction seat (12) is made of magnet material.

5. The tensile properties test equipment for aluminum alloy research and development according to claim 1, characterized in that: The regulating assembly is composed of an electric control rail (7) and a regulating arc-shaped magnetic plate (11); the electric control rail (7) is slidably connected to a regulating seat (8); and the top of the regulating seat (8) is fixedly connected to a control seat (10) via a hydraulic cylinder (9).

6. The tensile properties test equipment for aluminum alloy research and development according to claim 5, characterized in that: An electric control guide groove is provided on the side wall of the control seat (10), the inner side wall of the electric control guide groove is slidably connected to the side wall of the control arc-shaped magnetic plate (11), and the inner side wall of the control arc-shaped magnetic plate (11) is provided with a docking groove adapted to the electric control hinge (13).

7. The tensile properties test equipment for aluminum alloy research and development according to claim 1, characterized in that: The simulation detection component is composed of a plurality of liquid storage tanks (14) and an arc-shaped nozzle (15). The plurality of liquid storage tanks (14) located at the front end of the detection semi-ring (2) are filled with acidic liquid, and the plurality of liquid storage tanks (14) located at the rear end of the detection semi-ring (2) are filled with alkaline liquid. A micro hydraulic pump is provided in each of the plurality of liquid storage tanks (14). The liquid storage tanks (14) are fixedly connected to the inner side wall of the arc-shaped groove of the detection semi-ring (2) through the arc-shaped nozzle (15).

8. The tensile properties test equipment for aluminum alloy research and development according to claim 1, characterized in that: A plurality of receiving grooves are provided on the inner side wall of the detection semi-ring (2), a micro air pump (17) is fixedly connected to the inner side wall of the receiving groove, an output end of the micro air pump (17) is fixedly connected to a pressurized air bag (18), and the limiting ring (16) is located at the axial center position of the detection semi-ring (2).

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