Tension test device and method applying physics

Abstract

The invention relates to the technical field of tension tests, and discloses a tension test device and method applying physics, the tension test device comprises a test box, a tension test cavity is arranged in the test box, and a tension test mechanism is arranged on the end wall of the tension test cavity; the tension test mechanism comprises electric telescopic rotating shafts which are symmetrically and rotatably connected to the end wall of a tension test cavity, a gear cavity is machined in the test box, and a driving gear shaft is rotatably connected between the end walls of the gear cavity, so that a tensile tension test can be performed on a test piece, and the test piece can be clamped; the clamping is relatively firm, and a torsion test can be carried out when a tension test is carried out; a test piece can be impacted when a tension test is carried out, and the tension test is carried out on the test piece under the impact condition; the test piece can be heated or cooled during the tension test, the tension test is carried out under the condition of being influenced by the external environment, and the measured data are more effective.

Description

Technical Field

[0001] The invention belongs to the technical field of tension testing, and in particular relates to a tension testing device and method using applied physics. Background Art

[0002] The tensile test should be supplemented by the burst test. This tensile test plays a role in guaranteeing the sealing quality and is a mandatory test method. It can be divided into static tensile test and dynamic tensile test.

[0003] The current tensile test device can only perform tensile tests on the test piece, but cannot perform torsion tests on the test piece during the tensile test. It is not convenient to perform tensile tests when the test piece is affected by the external environment, so the data obtained is relatively limited. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a tensile testing device and method using applied physics, which effectively solves the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tensile test device of applied physics, comprising a test box, a tensile test chamber is provided in the test box, a tensile test mechanism is provided on the end wall of the tensile test chamber, the tensile test mechanism comprises an electric telescopic rotating shaft symmetrically rotatably connected on the end wall of the tensile test chamber, a gear chamber is processed in the test box, a driving gear shaft is rotatably connected between the end walls of the gear chamber, the driving gear shaft is connected to the driving power of a driving motor, the driving motor is fixedly installed in the test box, a driving gear is fixedly installed on the outer surface of the driving gear shaft, the driving gear is meshed with a driven gear, the driven gear is fixedly installed on the surface of the electric telescopic rotating shaft, the electric telescopic rotating shaft extends into the gear chamber, a clamping groove block is fixedly connected at one end of the electric telescopic rotating shaft close to each other, a rotating chamber is evenly processed in the clamping groove block, the rotating chamber is arranged along the circumferential direction of the clamping groove block, and a sliding connection is penetrated through the end wall of the rotating chamber. The gear wheel is connected with the gear of the driving mechanism, and the transmission gear of the driving mechanism is connected with the gear of the driving mechanism, and the transmission gear of the driving mechanism is connected with the gear of the driving mechanism.

[0006] Preferably, an impact mechanism is provided on the end wall of the tensile test cavity, and the impact mechanism includes an impact slot provided on the end wall of the tensile test cavity, an impact screw is rotatably connected between the end walls of the impact slot, the impact screw is dynamically connected to a moving motor, the moving motor is fixedly installed in the test box, the impact screw is threadedly connected to an impact nut block, the impact nut block is slidably connected between the end walls of the impact slot, a mounting frame is fixedly connected to the end wall of the impact nut block, a cam cavity is provided in the mounting frame, a camshaft is rotatably connected between the end walls of the cam cavity, the camshaft is dynamically connected to an impact motor, the impact motor is fixedly installed in the mounting frame, a cam is fixedly installed on the outer surface of the camshaft, the cam is in contact with the impact rod and pushes the impact rod to move, and a reset spring is nested on the outer surface of the impact rod.

[0007] Preferably, a refrigeration mechanism is provided on the end wall of the tensile test cavity, and the refrigeration mechanism includes a refrigeration slide provided on the end wall of the tensile test cavity, a cooling screw is rotatably connected between the end walls of the refrigeration slide, the cooling screw is power-connected to the refrigeration motor, the refrigeration motor is fixedly installed in the test box, the outer surface of the cooling screw is threadedly connected to a refrigeration nut block, the refrigeration nut block is slidably installed between the end walls of the refrigeration slide, a refrigeration electric push rod is fixedly connected to the end wall of the refrigeration nut block, a brake arc block is fixedly installed on the end wall of the refrigeration electric push rod away from the refrigeration nut block, a connecting cavity is provided in the brake arc block, brake nozzles are evenly fixedly connected to the end wall of the brake arc block, the brake nozzle extends into the connecting cavity, an air pipe is fixedly connected to the end wall of the connecting cavity, the end of the air pipe is fixedly connected to the refrigeration gas storage box away from the connecting cavity, and the refrigeration gas storage box is fixedly installed on the end wall of the test box.

[0008] Preferably, a heating mechanism is provided on the bottom wall of the tensile test chamber, and the heating mechanism includes a heating chute provided on the bottom wall of the tensile test chamber, a heating screw is rotatably connected between the end walls of the heating chute, the heating screw is power-connected to a heating motor, the heating motor is fixedly installed in the test box, a heating nut block is threadedly connected to the outer surface of the heating screw, the heating nut block is slidably connected between the end walls of the heating chute, a heating electric push rod is fixedly installed on the upper surface of the heating nut block, and a heating block is fixedly installed on the upper end of the heating electric push rod.

[0009] Preferably, the test box is provided with a closing mechanism, the closing mechanism includes a closed gear cavity symmetrically arranged in the test box, a closed gear shaft is rotatably connected between the end walls of the closed gear cavity, the closed gear shaft is connected to the power of a closed motor, the closed motor is fixedly installed in the test box, a closed gear is fixedly installed on the outer surface of the closed gear shaft, the closed gear is meshed with a rack, the rack is fixedly installed on the end wall of a groove, the groove is arranged at the lower part of the closing plate, and slide grooves are symmetrically arranged on the upper part of the test box, a cross is slidably connected between the end walls of the slide groove, and the closing plate is fixedly connected to the upper surface of the cross.

[0010] Preferably, the test box is provided with a fixing mechanism, and the fixing mechanism comprises a fixing plate fixedly connected to the end wall of the test box, and the fixing plate is connected with fixing bolts to fix the fixing plate on the ground.

[0011] Preferably, an observation groove is machined through the closing plate, and a glass plate is fixedly installed between the end walls of the observation groove.

[0012] Preferably, an operating table is fixedly connected to the end wall of the test box, an operating panel is fixedly connected to the operating table, a display panel is fixedly connected to the end wall of the operating table, the operating panel and the display panel are signal-connected to a control processor, and the control processor is fixedly installed in the operating table.

[0013] Preferably, an annular frame is rotatably connected to the end wall of the clamping groove block, and telescopic rods are evenly and fixedly connected to the annular frame. The end of the telescopic rod away from the annular frame is fixedly connected to the end wall of the tensile test cavity, and the telescopic rods are arranged along the circumferential direction of the annular frame.

[0014] The present invention provides a tensile test method using applied physics, based on the tensile test device using applied physics described above, the steps include: Step 1: fixing the test box on the floor of the test room by the fixing mechanism; Step 2: inputting corresponding operation instructions on the operation panel, transmitting the instructions to the control processor, the control processor sending signals to corresponding components, and the display panel displaying corresponding data; Step 3: the closing mechanism moves to open the tensile test cavity, and after the tensile test cavity is opened, the test piece is placed into the tensile test cavity; Step 4: The tensile test mechanism moves to clamp the test object and conduct a tensile test, and a torsion test can be conducted during the tensile test, and a tensile-twist combined test can be conducted; Step 5: placing the test piece into the tensile test cavity, clamping it, and moving the sealing mechanism to seal the tensile test cavity, and observing the situation inside the tensile test cavity through the glass plate; Step 6: During the test, the impact mechanism moves, so that the test piece is subjected to an impact test while being stretched, and the tensile test and the impact are carried out simultaneously; Step 7: During the test, the freezing mechanism moves, so as to perform a freezing test on the test piece during the tensile test, so as to facilitate the tensile test under the condition that the test piece is frozen; Step 8: During the test, the heating mechanism moves, thereby heating the test piece during the tensile test, making it easier to perform the tensile test under the condition that the test piece is heated.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a tensile test device using applied physics, which can realize tensile tensile test on a test piece, and can realize clamping and tightening the test piece, the clamping is relatively firm, and can realize torsion test during tensile test.

[0016] 2. The present invention provides a tensile test device using applied physics, which can impact a test piece during a tensile test, and perform a tensile test on the test piece when impacted.

[0017] 3. The present invention provides a tensile testing device using applied physics, which can achieve heating or cooling of the test piece during the tensile test, and can perform the tensile test under the influence of the external environment, so that the measured data is more effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] In the attached picture: Figure 1 It is a schematic diagram of the first direction structure of a tensile test device using applied physics in the present invention; Figure 2 It is a schematic diagram of the second direction structure of a tensile test device using applied physics in the present invention; Figure 3 It is a schematic diagram of the third direction structure of a tensile test device using physics in the present invention; Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle; Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at the middle BB; Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure at CC in the middle; Figure 7 for Figure 4 Schematic diagram of the cross-sectional structure at DD in the middle; Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure at EE in the middle; Fig. 9 for Figure 4 Schematic diagram of the cross-sectional structure at FF in the middle; Fig.10 for Figure 4 Schematic diagram of the cross-sectional structure at GG in the middle; Fig.11 for Figure 4 Schematic diagram of the enlarged structure at H in the middle.

[0020] In the figure: 1-test box, 2-operating table, 3-operating panel, 4-display panel, 5-enclosing plate, 6-rack, 7-observation slot, 8-glass plate, 9-groove, 10-fixing bolt, 11-fixing plate, 12-slide, 13-cross, 14-refrigeration gas storage box, 15-tensile test chamber, 16-gear chamber, 17-driven gear, 18-driving motor, 19-driving gear shaft, 20-driving gear, 21-refrigeration slide, 22-cooling screw, 23-telescopic rod, 24-electric telescopic shaft, 25-clamping groove block, 26-heating block, 27-heating electric push rod, 28-heating nut block, 29-heating slide, 30-heating screw, 31-heating motor, 33-enclosed gear chamber, 34-enclosed gear, 35-enclosed motor, 36-enclosed gear shaft, 37-refrigeration nut block, 38-refrigeration electric push rod, 40-connecting chamber, 41-brake arc block, 42-brake nozzle, 43-impact slide, 44-impact screw, 45-impact nut block, 46-cam chamber, 47-cam, 48-cam shaft, 49-impact rod, 50-reset spring, 51-mounting frame, 52-air pipe, 53-clamping screw, 54-annular frame, 55-clamping gear chamber, 56-clamping gear, 57-brake electric push rod, 58-brake tooth, 59-clamping motor, 60-brake tooth, 61-limiting slide, 62-rotation chamber, 63-rack ring, 64-clamping nut block, 65-limiting block, 66-double-sided annular rack, 67-clamping gear shaft. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1-11As shown, the present invention provides a tensile test device and method of applied physics, including a test box 1, wherein a tensile test chamber 15 is provided in the test box 1, and a tensile test mechanism is provided on the end wall of the tensile test chamber 15, and the tensile test mechanism is used to perform a tensile test on a test piece, and the tensile test mechanism includes an electric telescopic rotating shaft 24 symmetrically rotatably connected to the end wall of the tensile test chamber 15, and a gear chamber 16 is processed in the test box 1, and a driving gear shaft 19 is rotatably connected between the end walls of the gear chamber 16, and the driving gear shaft 19 is connected to the driving motor 18 in power, and the driving motor 18 is fixedly installed Installed in the test box 1, the outer surface of the driving gear shaft 19 is fixedly installed with a driving gear 20, the driving gear 20 is meshed with the driven gear 17, the driven gear 17 is fixedly installed on the surface of the electric telescopic shaft 24, the electric telescopic shaft 24 extends into the gear cavity 16, the electric telescopic shaft 24 is close to each other and fixedly connected with a clamping groove block 25 at one end, the clamping groove block 25 is uniformly processed with a rotating cavity 62, the rotating cavity 62 is arranged along the circumferential direction of the clamping groove block 25, and the end wall of the rotating cavity 62 is penetrated and slidably connected with a clamping screw 53, the clamping screw 53 is threadedly connected with the clamping nut block 64, the clamping nut block 64 is rotatably mounted on the end wall of the rotating chamber 62, the outer surface of the rack ring 63 is fixedly mounted with a rack ring 63, the rack ring 63 is meshed with a double-sided annular rack 66, the double-sided annular rack 66 is rotatably mounted in the clamping groove block 25, a clamping gear chamber 55 is provided in the clamping groove block 25, a clamping gear shaft 67 is rotatably connected between the end walls of the clamping gear chamber 55, the clamping gear shaft 67 is connected to the clamping motor 59, and the clamping motor 59 is fixedly mounted in the clamping groove block 25, a clamping gear 56 is fixedly mounted on the outer surface of the clamping gear shaft 67, the clamping gear 56 meshes with the double-sided annular rack 66, a braking tooth 60 is fixedly mounted on the outer surface of the clamping gear shaft 67, the braking tooth 60 meshes with the braking tooth 58, the braking tooth 58 is fixedly mounted on the end of the braking electric push rod 57, the braking electric push rod 57 is fixedly mounted on the end wall of the clamping gear cavity 55, the clamping screw 53 is provided with a limiting slide groove 61, the limiting slide groove 61 is slidably connected with the limiting block 65, and the limiting block 65 is fixedly mounted in the clamping groove block 25; The test piece is placed in the tensile test chamber 15, and the electric telescopic shaft 24 is energized to drive the clamping groove block 25 to move, so that the two side ends of the test piece enter the clamping groove block 25, and the clamping motor 59 is started to drive the clamping gear shaft 67 to rotate, thereby driving the clamping gear 56 to rotate, and the clamping gear 56 is meshed with the double-sided annular rack 66, thereby driving the double-sided annular rack 66 to rotate, and the double-sided annular rack 66 is meshed with the rack ring 63, thereby driving the clamping nut block 64 to rotate, and the clamping nut block 64 is threadedly connected to the clamping screw 53, thereby driving the clamping screw 53 to move to detect and clamp the test, and the limiting block 65 and the limiting slide groove 61 work together, so that the clamping screw 53 can only slide but cannot rotate, and the clamping After tightening, the brake electric push rod 57 is energized to drive the brake tooth 58 to move, so that the brake tooth 58 is meshed with the brake tooth 60, thereby braking the clamping gear shaft 67, increasing the reliability of clamping, and making the electric telescopic shaft 24 move and pull outward, thereby pulling the clamping groove block 25 to move, thereby moving the test piece, thereby stretching the test piece, and performing a tensile test on the test piece, starting the drive motor 18, so that the two drive motors 18 move in opposite directions, thereby driving the driving gear shaft 19 to rotate, thereby driving the driving gear 20 to rotate, and the driving gear 20 is meshed with the driven gear 17, thereby driving the electric telescopic shaft 24 to rotate, so that the two electric telescopic shafts 24 rotate in opposite directions, thereby performing a torsion test when the test piece is stretched.

[0023] Advantageously, an impact mechanism is provided on the end wall of the tensile test chamber 15, and the impact mechanism impacts the test piece, thereby performing an impact test on the test piece when it is stretched. The impact mechanism includes an impact chute 43 provided on the end wall of the tensile test chamber 15, and an impact screw 44 is rotatably connected between the end walls of the impact chute 43. The impact screw 44 is connected to the power of the mobile motor, and the mobile motor is fixedly installed in the test box 1. The impact screw 44 is threadedly connected to the impact nut block 45, and the impact nut block 45 is slidably connected to the Between the end walls of the impact slide 43, a mounting frame 51 is fixedly connected on the end wall of the impact nut block 45, a cam cavity 46 is arranged in the mounting frame 51, a cam shaft 48 is rotatably connected between the end walls of the cam cavity 46, the cam shaft 48 is connected to the impact motor power, the impact motor is fixedly installed in the mounting frame 51, a cam 47 is fixedly installed on the outer surface of the cam shaft 48, the cam 47 contacts with the impact rod 49 and pushes the impact rod 49 to move, and a return spring 50 is nested and connected to the outer surface of the impact rod 49; The moving motor is started, thereby driving the impact screw 44 to rotate, thereby driving the impact nut block 45 to move to the corresponding position, and the impact motor is started, thereby driving the camshaft 48 to rotate, thereby driving the cam 47 to rotate, and the cam 47 pushes the impact rod 49 to move, so that the impact rod 49 moves and contacts the surface of the test piece. Due to the action of the reset spring 50, the impact rod 49 reciprocates, thereby reciprocatingly impacting the surface of the test piece.

[0024] Advantageously, a refrigeration mechanism is provided on the end wall of the tensile test chamber 15, and the refrigeration mechanism is used to freeze the surface of the test piece so that the test piece is stretched under a frozen condition. The refrigeration mechanism includes a refrigeration slide 21 provided on the end wall of the tensile test chamber 15, and a cooling screw 22 is rotatably connected between the end walls of the refrigeration slide 21. The cooling screw 22 is connected to the power of the refrigeration motor, and the refrigeration motor is fixedly installed in the test box 1. The outer surface of the cooling screw 22 is threadedly connected to a refrigeration nut block 37, and the refrigeration nut block 37 is slidably installed between the end walls of the refrigeration slide 21. A refrigeration electric push rod 38 is fixedly connected to the end wall of the nut block 37, and a brake arc block 41 is fixedly installed on the end wall of the refrigeration electric push rod 38 away from the refrigeration nut block 37. A connecting cavity 40 is provided in the brake arc block 41, and brake nozzles 42 are evenly fixedly connected to the end wall of the brake arc block 41. The brake nozzles 42 extend into the connecting cavity 40, and an air supply pipe 52 is fixedly connected to the end wall of the connecting cavity 40. The end of the air supply pipe 52 away from the connecting cavity 40 is fixedly connected to the refrigeration gas storage box 14, and the refrigeration gas storage box 14 is fixedly installed on the end wall of the test box 1; The refrigeration motor is started, thereby driving the cooling screw 22 to rotate, thereby driving the refrigeration nut block 37 to move, so that the refrigeration nut block 37 moves to the corresponding position, and the refrigeration electric push rod 38 is energized, thereby driving the brake arc block 41 to move toward the test piece, so that the test piece is located in the brake arc block 41, and the refrigerant gas in the refrigerant gas storage box 14 enters the connecting cavity 40 through the gas pipe 52, and the brake nozzle 42 is turned on, so that the refrigerant gas is sprayed on the surface of the test piece through the brake nozzle 42, thereby cooling the surface of the test piece.

[0025] Advantageously, a heating mechanism is provided on the bottom wall of the tensile test chamber 15, and the heating mechanism is used to heat the surface of the test piece to facilitate stretching under heated conditions. The heating mechanism includes a heating chute 29 provided on the bottom wall of the tensile test chamber 15, and a heating screw 30 is rotatably connected between the end walls of the heating chute 29, and the heating screw 30 is power-connected to a heating motor 31, and the heating motor 31 is fixedly installed in the test box 1. The outer surface of the heating screw 30 is threadedly connected to a heating nut block 28, and the heating nut block 28 is slidably connected between the end walls of the heating chute 29. A heating electric push rod 27 is fixedly installed on the upper surface of the heating nut block 28, and a heating block 26 is fixedly installed on the upper end of the heating electric push rod 27; The heating motor 31 is started, thereby driving the heating screw 30 to rotate. The heating screw 30 is threadedly connected to the heating nut block 28, thereby driving the heating electric push rod 27 to move. The heating electric push rod 27 is energized, so that the electric telescopic shaft 24 moves, thereby driving the heating block 26 to move closer to the test piece, and turning on the heating block 26 to heat the test surface.

[0026] Advantageously, the test box 1 is provided with a closing mechanism, which is used to close the tensile test chamber 15. The closing mechanism includes a closed gear chamber 33 symmetrically arranged in the test box 1, a closed gear shaft 36 is rotatably connected between the end walls of the closed gear chamber 33, the closed gear shaft 36 is power-connected to a closed motor 35, the closed motor 35 is fixedly installed in the test box 1, a closed gear 34 is fixedly installed on the outer surface of the closed gear shaft 36, the closed gear 34 is meshed with a rack 6, the rack 6 is fixedly installed on the end wall of a groove 9, the groove 9 is arranged at the lower part of the closing plate 5, the upper part of the test box 1 is symmetrically provided with a slide groove 12, a cross 13 is slidably connected between the end walls of the slide groove 12, and the upper surface of the cross 13 is fixedly connected to the closing plate 5; The closing motor 35 is started, thereby driving the closing gear shaft 36 to rotate, thereby driving the closing gear 34 to rotate, and the closing gear 34 is engaged with the rack 6, thereby driving the closing plate 5 to move, thereby closing the tensile test chamber 15.

[0027] Advantageously, the test box 1 is provided with a fixing mechanism, which is used to fix the test box 1, and the fixing mechanism includes a fixing plate 11 fixedly connected to the end wall of the test box 1, and the fixing plate 11 is connected with fixing bolts 10 to fix the fixing plate 11 on the ground; Thus, the fixing plate 11 is fixedly mounted on the floor of the laboratory by the fixing bolts 10 , thereby achieving the fixing of the test box 1 .

[0028] Advantageously, an observation slot 7 is machined through the closing plate 5, and a glass plate 8 is fixedly installed between the end walls of the observation slot 7; Therefore, the situation in the tensile test chamber 15 can be observed through the glass plate 8 .

[0029] Advantageously, an operation table 2 is fixedly connected to the end wall of the test box 1, an operation panel 3 is fixedly connected to the operation table 2, a display panel 4 is fixedly connected to the end wall of the operation table 2, the operation panel 3 and the display panel 4 are connected to the control processor signal, the control processor is fixedly installed in the operation table 2, and the control processor is connected to the electrical components in the device by signal; Thus, the corresponding operation instructions are input on the operation panel 3, and the operation panel 3 sends them to the control processor. The control processor sends the corresponding signals to the corresponding electrical components, and the corresponding data information fed back is sent to the display panel 4 through the control processor and displayed on the display panel 4.

[0030] Advantageously, an annular frame 54 is rotatably connected to the end wall of the clamping groove block 25, and a telescopic rod 23 is evenly and fixedly connected to the annular frame 54. The end of the telescopic rod 23 away from the annular frame 54 is fixedly connected to the end wall of the tensile test cavity 15. The telescopic rod 23 is arranged along the circumferential direction of the annular frame 54. The annular frame 54 and the closed gear cavity 33 increase the stability of the clamping groove block 25, thereby ensuring stability during stretching.

[0031] The present invention provides a tensile test method using applied physics, based on the tensile test device using applied physics described above, the steps include: Step 1: The test box 1 is fixedly installed on the floor of the test room by the fixing mechanism; Step 2: Input corresponding operation instructions on the operation panel 3, transmit the instructions to the control processor, the control processor sends signals to corresponding components, and the display panel 4 displays corresponding data; Step 3: the closing mechanism moves to open the tensile test chamber 15. After the tensile test chamber 15 is opened, the test piece is placed into the tensile test chamber 15. Step 4: The tensile test mechanism moves to clamp the test object and conduct a tensile test, and a torsion test can be conducted during the tensile test, and a tensile-twist combined test can be conducted; Step 5: Put the test piece into the tensile test cavity 15, and after clamping, the closing mechanism moves to close the tensile test cavity 15, and observe the situation inside the tensile test cavity 15 through the glass plate 8; Step 6: During the test, the impact mechanism moves, so that the test piece is subjected to an impact test while being stretched, and the tensile test and the impact are carried out simultaneously; Step 7: During the test, the freezing mechanism moves, so as to perform a freezing test on the test piece during the tensile test, so as to facilitate the tensile test under the condition that the test piece is frozen; Step 8: During the test, the heating mechanism moves, thereby heating the test piece during the tensile test, making it easier to perform the tensile test under the condition that the test piece is heated.

[0032] The working process of the present invention is to fix the fixing plate 11 on the floor of the laboratory by the fixing bolts 10, so as to fix the test box 1, power the entire device, input the corresponding operation instructions on the operation panel 3, the operation panel 3 sends to the control processor, the control processor sends the corresponding signal to the corresponding electrical component, and the corresponding data information fed back is sent to the display panel 4 through the control processor, and displayed on the display panel 4, the test piece is placed in the tensile test cavity 15, and the electric telescopic shaft 24 is energized to drive the clamping groove block 25 to move, so that the two side ends of the test piece enter the clamping groove block 25, and the clamping is started. The motor 59 drives the clamping gear shaft 67 to rotate, thereby driving the clamping gear 56 to rotate. The clamping gear 56 is meshed with the double-sided annular rack 66, thereby driving the double-sided annular rack 66 to rotate. The double-sided annular rack 66 is meshed with the rack ring 63, thereby driving the clamping nut block 64 to rotate. The clamping nut block 64 is threadedly connected with the clamping screw 53, thereby driving the clamping screw 53 to move to perform detection and clamping for the test. The limiting block 65 and the limiting slide groove 61 work together to make the clamping screw 53 only slide but not rotate. After clamping, the closed motor 35 is started to drive the closed gear shaft 36 to rotate, thereby driving the closed gear 34 to rotate. The closed gear 34 meshes with the rack 6, thereby driving the closed plate 5 to move, thereby closing the tensile test chamber 15, and energizing the brake electric push rod 57 to drive the brake tooth 58 to move, so that the brake tooth 58 meshes with the brake tooth 60, thereby braking the clamping gear shaft 67, increasing the reliability of clamping, so that the electric telescopic shaft 24 moves outward, thereby pulling the clamping groove block 25 to move, thereby moving the test piece, thereby stretching the test piece, and performing a tensile test on the test piece, and starting the drive motor 18 so that the two drive motors 18 move in opposite directions, thereby driving the active gear shaft 19 to rotate, thereby driving the active gear The wheel 20 rotates, the driving gear 20 meshes with the driven gear 17, thereby driving the electric telescopic shaft 24 to rotate, so that the two electric telescopic shafts 24 rotate in opposite directions, so that a torsion test is performed when the test piece is stretched, the moving motor is started, thereby driving the impact screw 44 to rotate, thereby driving the impact nut block 45 to move to the corresponding position, and the impact motor is started, thereby driving the cam shaft 48 to rotate, thereby driving the cam 47 to rotate, and the cam 47 pushes the impact rod 49 to move, so that the impact rod 49 moves and contacts the surface of the test piece, due to the action of the reset spring 50, the impact rod 49 reciprocates, thereby reciprocatingly impacting the surface of the test piece,The refrigeration motor is started to drive the cooling screw 22 to rotate, thereby driving the refrigeration nut block 37 to move, so that the refrigeration nut block 37 moves to the corresponding position, and the refrigeration electric push rod 38 is energized, thereby driving the brake arc block 41 to move toward the test piece, so that the test piece is located in the brake arc block 41, and the refrigeration gas in the refrigeration gas storage box 14 enters the connecting cavity 40 through the gas pipe 52, and the brake nozzle 42 is turned on, so that the refrigeration gas is sprayed on the surface of the test piece through the brake nozzle 42, thereby cooling the surface of the test piece, and starting the heating motor 31, thereby driving the heating screw 30 to rotate, and the heating screw 30 is threadedly connected to the heating nut block 28, thereby driving the heating electric push rod 27 to move, and the heating electric push rod 27 is energized, so that the electric telescopic shaft 24 moves, thereby driving the heating block 26 to move close to the test piece, and turning on the heating block 26 to heat the test surface.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] 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 tensile test device using applied physics, characterized in that: The invention comprises a test box (1), wherein a tensile test chamber (15) is provided in the test box (1), and a tensile test mechanism is provided on the end wall of the tensile test chamber (15), wherein the tensile test mechanism comprises an electric telescopic rotating shaft (24) symmetrically rotatably connected to the end wall of the tensile test chamber (15), wherein a gear chamber (16) is machined in the test box (1), and a driving gear shaft (19) is rotatably connected between the end walls of the gear chamber (16), wherein the driving gear shaft (19) is power-connected to a driving motor (18), wherein the driving motor (18) is fixedly installed in the test box (1), and a driving gear (20) is fixedly installed on the outer surface of the driving gear shaft (19), wherein the driving gear shaft (19) is power-connected to a driving motor (18), wherein the driving motor (18) is fixedly installed in the test box (1), and wherein ... the driving gear shaft (19) is power-connected to a driving motor (18), wherein the driving gear shaft (19) is power-connected to a driving motor (18), and wherein the driving gear shaft (19) is power-connected to a driving motor (18), wherein the driving motor (18) is fixedly installed in the test box (1), and wherein a driving gear (20) is fixedly installed on the outer surface of the driving gear shaft (19), wherein the driving gear shaft (19) is power-connected to a driving motor (18), and wherein the driving gear shaft (19) is power-connected to a driving motor (18), wherein the driving motor (18) is power-connected to a driving motor (18), and wherein the driving gear shaft (19) is power-connected to a driving motor (18), wherein The driving gear (20) is meshed with the driven gear (17), and the driven gear (17) is fixedly mounted on the surface of the electric telescopic shaft (24). The electric telescopic shaft (24) extends into the gear cavity (16). The electric telescopic shaft (24) is fixedly connected with a clamping groove block (25) at one end close to each other. The clamping groove block (25) is uniformly processed with a rotating cavity (62). The rotating cavity (62) is arranged along the circumferential direction of the clamping groove block (25). A clamping screw (53) is slidably connected to the end wall of the rotating cavity (62). The clamping screw (53) is threadedly connected to the clamping nut block (64). The clamping nut block (64) is rotatably mounted on the end wall of the rotating chamber (62); a rack ring (63) is fixedly mounted on the outer surface of the rack ring (63); the rack ring (63) is meshed with a double-sided annular rack (66); the double-sided annular rack (66) is rotatably mounted in the clamping groove block (25); a clamping gear chamber (55) is provided in the clamping groove block (25); a clamping gear shaft (67) is rotatably connected between the end walls of the clamping gear chamber (55); the clamping gear shaft (67) is power-connected to a clamping motor (59); the clamping motor (59) is fixedly mounted in the clamping groove block (25); the clamping gear shaft (67) A clamping gear (56) is fixedly mounted on the outer surface of the clamping gear shaft (67), and the clamping gear (56) meshes with the double-sided annular rack (66). A braking tooth (60) is fixedly mounted on the outer surface of the clamping gear shaft (67), and the braking tooth (60) meshes with the braking tooth (58). The braking tooth (58) is fixedly mounted on the end of a braking electric push rod (57), and the braking electric push rod (57) is fixedly mounted on the end wall of the clamping gear cavity (55). A limiting slide groove (61) is provided on the clamping screw rod (53), and the limiting slide groove (61) is slidably connected to a limiting block (65). The limiting block (65) is fixedly mounted in the clamping groove block (25).

2. A tensile testing device of applied physics according to claim 1, characterized in that: An impact mechanism is provided on the end wall of the tensile test chamber (15), and the impact mechanism includes an impact chute (43) provided on the end wall of the tensile test chamber (15), an impact screw (44) is rotatably connected between the end walls of the impact chute (43), the impact screw (44) is connected to the power of a mobile motor, the mobile motor is fixedly installed in the test box (1), the impact screw (44) is threadedly connected to an impact nut block (45), the impact nut block (45) is slidably connected between the end walls of the impact chute (43), and the impact nut block (45) is connected to the end wall of the impact chute (43). ) is fixedly connected to the end wall thereof, a mounting frame (51) is provided in the mounting frame (51), a cam chamber (46) is rotatably connected to the end wall of the cam chamber (46), the cam shaft (48) is connected to the impact motor power, the impact motor is fixedly installed in the mounting frame (51), a cam (47) is fixedly installed on the outer surface of the cam shaft (48), the cam (47) is in contact with the impact rod (49) and pushes the impact rod (49) to move, and a return spring (50) is nested and connected to the outer surface of the impact rod (49).

3. A tensile testing device of applied physics according to claim 2, characterized in that: A refrigeration mechanism is provided on the end wall of the tensile test chamber (15), and the refrigeration mechanism includes a refrigeration slide (21) provided on the end wall of the tensile test chamber (15), a cooling screw (22) is rotatably connected between the end walls of the refrigeration slide (21), the cooling screw (22) is connected to the refrigeration motor power, the refrigeration motor is fixedly installed in the test box (1), the outer surface of the cooling screw (22) is threadedly connected to a refrigeration nut block (37), the refrigeration nut block (37) is slidably installed between the end walls of the refrigeration slide (21), and a refrigeration electric push rod (38) is fixedly connected to the end wall of the refrigeration nut block (37). A braking arc block (41) is fixedly installed on the end wall of the refrigeration electric push rod (38) away from the refrigeration nut block (37), and a connecting cavity (40) is provided in the braking arc block (41). A braking nozzle (42) is evenly and fixedly connected to the end wall of the braking arc block (41), and the braking nozzle (42) extends into the connecting cavity (40). An air supply pipe (52) is fixedly connected to the end wall of the connecting cavity (40), and the end of the air supply pipe (52) away from the connecting cavity (40) is fixedly connected to a refrigeration gas storage box (14), and the refrigeration gas storage box (14) is fixedly installed on the end wall of the test box (1).

4. A tensile testing device of applied physics according to claim 3, characterized in that: A heating mechanism is provided on the bottom wall of the tensile test chamber (15), and the heating mechanism includes a heating chute (29) provided on the bottom wall of the tensile test chamber (15); a heating screw (30) is rotatably connected between the end walls of the heating chute (29); the heating screw (30) is power-connected to a heating motor (31); the heating motor (31) is fixedly installed in the test box (1); a heating nut block (28) is threadedly connected to the outer surface of the heating screw (30); the heating nut block (28) is slidably connected between the end walls of the heating chute (29); a heating electric push rod (27) is fixedly installed on the upper surface of the heating nut block (28); and a heating block (26) is fixedly installed at the upper end of the heating electric push rod (27).

5. A tensile testing device of applied physics according to claim 4, characterized in that: The test box (1) is provided with a closing mechanism, and the closing mechanism includes a closed gear chamber (33) symmetrically arranged in the test box (1), a closed gear shaft (36) is rotatably connected between the end walls of the closed gear chamber (33), the closed gear shaft (36) is connected to the closed motor (35) in power, the closed motor (35) is fixedly installed in the test box (1), a closed gear (34) is fixedly installed on the outer surface of the closed gear shaft (36), the closed gear (34) is meshed with the rack (6), the rack (6) is fixedly installed on the end wall of the groove (9), the groove (9) is arranged at the lower part of the closing plate (5), and the upper part of the test box (1) is symmetrically provided with a slide groove (12), a cross (13) is slidably connected between the end walls of the slide groove (12), and the upper surface of the cross (13) is fixedly connected to the closing plate (5).

6. A tensile testing device of applied physics according to claim 5, characterized in that: The test box (1) is provided with a fixing mechanism, the fixing mechanism comprising a fixing plate (11) fixedly connected to the end wall of the test box (1), and fixing bolts (10) are connected to the fixing plate (11) to fix the fixing plate (11) on the ground.

7. The tensile testing device of applied physics according to claim 5, characterized in that: An observation groove (7) is machined through the sealing plate (5), and a glass plate (8) is fixedly installed between the end walls of the observation groove (7).

8. The tensile testing device of applied physics according to claim 6, characterized in that: An operating table (2) is fixedly connected to the end wall of the test box (1), an operating panel (3) is fixedly connected to the operating table (2), a display panel (4) is fixedly connected to the end wall of the operating table (2), the operating panel (3) and the display panel (4) are connected to a control processor signal, and the control processor is fixedly installed in the operating table (2).

9. The tensile testing device of applied physics according to claim 1, characterized in that: An annular frame (54) is rotatably connected to the end wall of the clamping groove block (25), and a telescopic rod (23) is evenly and fixedly connected to the annular frame (54). The end of the telescopic rod (23) away from the annular frame (54) is fixedly connected to the end wall of the tensile test cavity (15), and the telescopic rod (23) is arranged along the circumferential direction of the annular frame (54).

10. A tensile test method of applied physics, based on a tensile test device of applied physics as described in claims 1 to 9, characterized in that the steps include: Step 1: fixing the test box (1) on the floor of the test room by means of the fixing mechanism; Step 2: inputting corresponding operation instructions on the operation panel (3), transmitting the instructions to the control processor, the control processor sending signals to corresponding components, and the display panel (4) displaying corresponding data; Step 3: the closing mechanism moves, thereby opening the tensile test chamber (15); after the tensile test chamber (15) is opened, the test piece is placed into the tensile test chamber (15); Step 4: The tensile test mechanism moves to clamp the test object and conduct a tensile test, and a torsion test can be conducted during the tensile test, and a tensile-twist combined test can be conducted; Step 5: placing the test piece into the tensile test cavity (15), and after clamping, the sealing mechanism moves to seal the tensile test cavity (15), and observing the situation inside the tensile test cavity (15) through the glass plate (8); Step 6: During the test, the impact mechanism moves, so that the test piece is subjected to an impact test while being stretched, and the tensile test and the impact are carried out simultaneously; Step 7: During the test, the freezing mechanism moves, so as to perform a freezing test on the test piece during the tensile test, so as to facilitate the tensile test under the condition that the test piece is frozen; Step 8: During the test, the heating mechanism moves, thereby heating the test piece during the tensile test, making it easier to perform the tensile test under the condition that the test piece is heated.

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