A detection device for alloy castings with tensile performance detection function

Abstract

The present invention discloses a detection device for alloy castings with a tensile performance detection function. The present invention relates to the technical field of metal tensile testing machines. The detection device includes a base, a control panel, an ultrasonic detector, a dynamic mechanism, a tensile mechanism and a clamping mechanism. The dynamic mechanism includes an assembly plate and a locking pin mechanism. The tensile mechanism includes a side frame and a slide. The clamping mechanism includes a wedge shell. The assembly plate and the clamping mechanism are each provided with two groups. One group of assembly plates is fixedly connected to the side frame, and the other group of assembly plates is fixedly connected to the slide. The locking pin mechanism includes an electrically controlled locking pin, which is fixedly connected to the wedge shell. The side frame and the control panel are both fixedly connected to the base, and the ultrasonic detector is fixedly connected to the side frame. The ultrasonic detector, the dynamic mechanism and the tensile mechanism are all connected to the control panel via electrical signals. The present invention applies a tensile load to the alloy casting, performs ultrasonic detection, actively changes the load force direction, applies a torque load, simulates actual working conditions, and improves detection accuracy.

Description

Technical Field

[0001] The invention relates to the technical field of metal material tensile testing machines, in particular to an alloy casting detection device with a tensile performance detection function. Background Art

[0002] A metal tensile testing machine is a crucial device for determining the fundamental mechanical properties of materials, including strength, plasticity, and stiffness. By precisely applying tensile loads and simultaneously collecting force and deformation data, combined with standardized specimen preparation and testing procedures, the equipment ultimately outputs a series of quantitative indicators that characterize the material's ability to resist tensile deformation and fracture. These mechanical properties are fundamental to engineering structural design, material selection, quality control, and scientific research.

[0003] Existing tensile testing machines for metal materials primarily test mechanical properties based on static axial tensile loads, using basic load calculations to simulate the material's stress state under actual operating conditions. However, the loads metal materials experience in actual engineering environments are often multi-directional and complex. Due to technical limitations, existing tensile testing machines struggle to effectively simulate these complex conditions, resulting in a discrepancy between the mechanical property data they provide and the material's performance under actual service conditions. Summary of the Invention

[0004] The object of the present invention is to provide a detection device for alloy castings with a tensile property detection function to solve the problems in the prior art.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A detection device for alloy castings with a tensile performance detection function includes a base, a control panel, an ultrasonic detector, a dynamic mechanism, a tensile mechanism and a clamping mechanism, the dynamic mechanism includes an assembly plate and a locking pin mechanism, the tensile mechanism includes a side frame and a slide, the clamping mechanism includes a wedge-shaped shell, the assembly plate and the clamping mechanism are each provided with two groups, one group of assembly plates is fixedly connected to the side frame, and the other group of assembly plates is fixedly connected to the slide, the locking pin mechanism includes an electrically controlled locking pin, the electrically controlled locking pin is fixedly connected to the wedge-shaped shell, the side frame and the control panel are both fixedly connected to the base, the ultrasonic detector is fixedly connected to the side frame, and the ultrasonic detector, the dynamic mechanism and the tensile mechanism are all connected to the control panel via electrical signals.

[0006] The present invention is a detection device for various mechanical performance indicators of alloy casting materials under static axial tensile load. The experimenter fixes the two ends of the alloy casting on the clamping mechanism respectively. A group of clamping mechanisms is fixed to the side frame relative to the assembly plate, and an electric control signal is sent to the stretching mechanism through the control panel. The stretching mechanism drives another group of clamping mechanisms to apply static axial tensile load to the alloy casting. The alloy casting to which the load is applied is detected by an ultrasonic detector to determine whether the stress state inside the metal is close to the load limit. At the same time, the torque state of the alloy casting when it is close to the load limit is recorded through the stretching mechanism, and the detection data signal is fed back to the control panel. The control panel actively feeds back the control signal to the dynamic mechanism, changes the static axial tensile load applied by the stretching mechanism to the alloy casting material, and the dynamic mechanism changes the load force direction of the alloy casting, generates a spiral torque load on the alloy casting, and simulates the load tensile state of the alloy casting in real complex working conditions, so that the detection data is close to the real state, and improves the accuracy and rationality of the detection data.

[0007] Furthermore, the dynamic mechanism also includes a torsion motor and a force distribution mechanism, the force distribution mechanism includes a shell and a tilting mechanism, the tilting mechanism includes a ball head rod, and the locking pin mechanism also includes a stretching cylinder. The torsion motor is fixedly connected to the assembly plate, the output end of the torsion motor is fixedly connected to the shell, and the output end of the stretching cylinder is fixedly connected to the ball head rod.

[0008] When simulating the dynamic load of the clamped alloy casting, the control panel sends a control signal to the torsion motor, and the torsion motor outputs a fixed-axis torque to the shell. By driving the fixed-axis rotation of the shell, the clamping mechanism and the shell are relatively fixed. The fixed-axis torque output by the torsion motor is converted into a spiral torque load on the alloy casting by the clamping mechanism, and the force direction of the tensile load applied by the tensile mechanism to the alloy casting material in the static axial direction is changed through the force distribution mechanism.

[0009] Furthermore, the force distribution mechanism also includes a drive motor and a gear rod. A through hole is provided on the shell. The drive motor is fixedly connected to the shell. The output end of the drive motor is fixedly connected to the gear rod. The gear rod is rotatably connected to the through hole. The tilting mechanism also includes a gear plate. The gear rod is engaged with the tooth surface of the gear plate. The torsion motor and the drive motor are both connected to the control panel through electrical signals.

[0010] The control panel sends a control signal to the drive motor, and the drive motor outputs a fixed-axis torque to the gear rod. Through the engagement of the tooth surfaces between the gear rod and the gear disc, the gear rod transmits the torque to the gear disc. The gear disc is rotated and assembled with the arc-surface body. Through the rotation of the gear disc, the tilting mechanism changes the direction of the tensile load applied by the stretching mechanism to the alloy casting material in the static axial direction.

[0011] Furthermore, the tilting mechanism also includes an arcuate body and a spring tube. The arcuate body is fixedly connected to the shell, the gear plate is rotatably connected to the arcuate body, a ball is provided on the ball head rod, a ball groove is provided on the gear plate, the ball is in contact with the ball groove, and the ball head rod is fixedly connected to the spring tube.

[0012] The gear disc and the arc-surface body are rotatably assembled, and the ball groove on the gear disc contacts the ball. The gear disc is driven to rotate by the output torque of the driving motor. When the gear disc drives the ball head rod to rotate, the ball slides relatively in the ball groove, and the ball head rod is driven to rotate by the gear disc, thereby changing the direction of the tensile load applied by the stretching mechanism to the alloy casting material in the static axial direction.

[0013] Furthermore, a threaded slide rail is provided on the cambered body, which is located on the side of the cambered body close to the gear disc. A sliding disc is provided on the spring barrel, which is located on one end of the spring barrel away from the ball head rod. The sliding disc is slidably connected to the threaded slide rail.

[0014] The ball head rod is assembled by sliding between the sliding plate on the spring cylinder and the threaded slide rail, and the gear plate drives the ball head rod to rotate. As the ball head rod rotates, it rotates around the gear plate, and the threaded slide rail is arranged on the arc surface of the arc body. The inclination of the threaded slide rail away from the center of the arc body is greater than the inclination of the track of the threaded slide rail close to the center of the arc body. As the sliding plate slides along the threaded slide rail, the inclination slope of the ball head rod changes as the sliding plate slides along the threaded slide rail. At this time, the ball slides relatively in the ball slide groove, ensuring that the torque transmitted by the shell is transmitted along the ball head rod to the stretching cylinder. The spring cylinder stretches to change the distance between the ball head rod and the threaded slide rail. The stretching cylinder changes the stretching degree of the output end according to the signal of the control panel, ensuring that the distance between the universal joint and the ball head rod remains unchanged, so that the two ends of the alloy casting are stably clamped, and the inclination slope of the ball head rod itself changes, which changes the direction of the tensile load applied to the alloy casting material in the static axial direction.

[0015] Furthermore, the locking pin mechanism also includes a universal joint and a cross locking pin. The universal joint is fixedly connected to the stretching cylinder, the universal joint is rotatably connected to the electric control locking pin, and the cross locking pin is rotatably connected to the universal joint. A spherical airbag and an electric control valve are provided on the cross locking pin. The spherical airbag is in contact with the universal joint. The stretching cylinder, the electric control valve, and the electric control locking pin are all connected to the control panel through electrical signals.

[0016] When the inclination of the ball head rod itself changes, the ball head rod itself rotates driven by the gear disk. At this time, the electronically controlled locking pin and the cross locking pin on one side of the alloy casting are both opened, the universal joint and the ball head rod remain in an active state, the universal joint and the wedge shell remain in a rotating state, and the other end of the alloy casting is stably clamped by the clamping mechanism. The torque of the ball head rod's own rotation will not be transmitted to the alloy casting through the universal joint. When the inclination of the ball head rod is changed, the control panel sends a control signal, the electronically controlled valve opens the external air pump to inject air into the spherical airbag, the spherical airbag expands to fix the universal joint, the universal joint and the ball head rod are relatively fixed, the electronically controlled locking pin is closed, and the universal joint and the wedge shell remain relatively fixed. The inclination slope of the ball head rod itself changes, changing the direction of the tensile load applied to the alloy casting material in the static axial direction. The shell applies tensile loads in different directions in the static axial direction to the alloy casting material through the ball head rod and the universal joint.

[0017] Furthermore, the stretching mechanism also includes an assembly frame, a first motor, a threaded rod and a pressure sensor. The assembly frame is fixedly connected to the side frame, the first motor and the pressure sensor. The output end of the first motor is fixedly connected to the threaded rod. A threaded hole and a pressure rod are provided on the slide. The threaded rod and the threaded hole are connected by threads. A vertical slide rail is provided on the side frame. The slide is slidably connected to the vertical slide rail. The pressure rod is in contact with the pressure sensor. The first motor and the pressure sensor are connected to the control panel through electrical signals.

[0018] The first motor outputs a fixed-axis torque to the threaded rod, and the threaded rod torque is converted into torque through the threaded assembly between the threaded rod and the threaded hole. The slide moves back and forth along the vertical slide rail, and drives a group of clamping mechanisms to move through the slide, applying a static axial tensile load to the two sections of the clamped alloy castings. The ultrasonic detector detects the alloy castings to which the load is applied to see whether the stress state inside the metal is close to the load limit. At the same time, the pressure rod squeezes the pressure sensor to record the torque state of the alloy casting when it approaches the load limit.

[0019] Furthermore, the clamping mechanism also includes a rocker, a rack rod and a wedge block. The rocker is rotatably connected to the wedge shell. The wedge shell is provided with an inner bevel. There are two groups of inner bevels and wedge blocks. The two groups of inner bevels and wedge blocks are mirror-arranged along the central axis of the wedge shell. The rocker is provided with a semicircular tooth pair, which meshes with the tooth surface of the rack rod. The rack rod is slidably connected to the wedge shell. A limiting groove is provided on the wedge block. The rack rod contacts the limiting groove, and the wedge block is slidably connected to the inner bevel.

[0020] The experimenters placed the two ends of the alloy casting between two sets of wedge blocks, rotated the rocker, and engaged the tooth surface between the semicircular tooth pair on the rocker and the rack rod, causing the rack rod to move along its axis. The rack rod drove the wedge blocks to move through the limit groove. The two sets of mirror-arranged wedge blocks slid toward each other along the inner inclined surface of the wedge shell, and the two sets of wedge blocks fixedly clamped the alloy casting.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention designs a dynamic mechanism, which outputs a fixed-axis torque to the housing through a torsion motor, and the fixed-axis torque output by the torsion motor is converted into a spiral torque load on the alloy casting by the clamping mechanism, and the driving motor outputs a fixed-axis torque to the gear rod to drive the gear disc to rotate, and the ball head rod is assembled by sliding between the sliding plate on the spring tube and the threaded slide rail. As the ball head rod rotates around the gear disc, the inclination slope of the ball head rod changes as the sliding plate slides along the threaded slide rail, and the ball slides relatively in the ball slide groove, ensuring that the housing transmits the torque along the ball head rod to the stretching cylinder, the spring tube stretches to change the distance between the ball head rod and the threaded slide rail, and the stretching cylinder changes the stretching degree of the output end, ensuring that the distance between the universal joint and the ball head rod remains unchanged, so that the two ends of the alloy casting are stably clamped, the inclination of the ball head rod itself changes, and the force direction of the tensile load applied to the alloy casting material in the static axial direction is changed, and a spiral torque load is generated on the alloy casting, simulating the actual The load-stretching state of alloy castings in complex working conditions makes the detection data close to the actual state, and improves the accuracy and rationality of the detection data; the present invention designs a stretching mechanism, and fixes the two ends of the alloy casting on the clamping mechanism respectively. A group of clamping mechanisms is fixed to the side frame by an assembly plate, and an electric control signal is sent to the stretching mechanism through the control panel. The stretching mechanism drives another group of clamping mechanisms to apply a static axial tensile load to the alloy casting. The alloy casting to which the load is applied is detected by an ultrasonic detector to determine whether the stress state inside the metal is close to the load limit. At the same time, the torque state of the alloy casting when it is close to the load limit is recorded by the stretching mechanism; the present invention applies a static axial tensile load to the alloy casting, ultrasonically detects whether the casting is close to the load limit, actively changes the force direction of the applied tensile load, and applies a torque load to the alloy casting to simulate the load-stretching state in real complex working conditions, so that the detection data is close to the actual state, and improves the accuracy and rationality of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the dynamic mechanism structure of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the force distribution mechanism of the present invention;

[0025] Figure 4 It is a schematic structural diagram of the tilting mechanism of the present invention;

[0026] Figure 5 for Figure 4 A magnified schematic diagram of a local area A;

[0027] Figure 6 It is a structural schematic diagram of the locking pin mechanism of the present invention;

[0028] Figure 7It is a structural schematic diagram of the stretching mechanism of the present invention;

[0029] Figure 8 It is a schematic structural diagram of the clamping mechanism of the present invention.

[0030] In the figure: 1. Base; 2. Control panel; 3. Ultrasonic detector; 4. Dynamic mechanism; 41. Assembly plate; 42. Torsion motor; 43. Force distribution mechanism; 431. Housing; 4311. Through hole; 432. Drive motor; 433. Gear rod; 434. Tilt mechanism; 435. Arc surface; 4351. Threaded slide rail; 436. Toothed disc; 4361. Ball slide; 437. Ball rod; 4371. Ball; 438. Spring cylinder; 4381. Slide plate; 44. Locking pin mechanism; 441. Tension cylinder ;442, universal joint; 443, cross lock pin; 4431, spherical airbag; 4432, electric control valve; 444, electric control lock pin; 5, stretching mechanism; 51, assembly frame; 52, side frame; 521, vertical slide rail; 53, first motor; 54, threaded rod; 55, slide; 551, threaded hole; 552, pressure rod; 56, pressure sensor; 6, clamping mechanism; 61, wedge shell; 611, inner bevel; 62, rocker; 621, semicircular gear pair; 63, rack rod; 64, wedge block; 641, limit groove. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] like Figure 1 、 Figure 2 、 Figure 7 As shown, the present invention provides a technical solution for a detection device for alloy castings with a tensile performance detection function, including a base 1, a control panel 2, an ultrasonic detector 3, a dynamic mechanism 4, a stretching mechanism 5 and a clamping mechanism 6, the dynamic mechanism 4 includes an assembly plate 41 and a locking pin mechanism 44, the stretching mechanism 5 includes a side frame 52 and a slide 55, the clamping mechanism 6 includes a wedge shell 61, the assembly plate 41 and the clamping mechanism 6 are each provided with two groups, one group of assembly plates 41 is fixedly connected to the side frame 52, and the other group of assembly plates 41 is fixedly connected to the slide 55, the locking pin mechanism 44 includes an electrically controlled locking pin 444, and the electrically controlled locking pin 444 is fixedly connected to the wedge shell 61, the side frame 52 and the control panel 2 are both fixedly connected to the base 1, the ultrasonic detector 3 is fixedly connected to the side frame 52, and the ultrasonic detector 3, the dynamic mechanism 4, and the stretching mechanism 5 are all connected to the control panel 2 through electrical signals.

[0033] The present invention is a detection device for various mechanical performance indicators of alloy casting materials under static axial tensile load. The experimenter fixes the two ends of the alloy casting on the clamping mechanism 6 respectively. A group of clamping mechanisms 6 is fixed relative to the side frame 52 through the assembly plate 41, and an electric control signal is sent to the stretching mechanism 5 through the control panel 2. The stretching mechanism 5 drives another group of clamping mechanisms 6 to apply static axial tensile load to the alloy casting. The alloy casting to which the load is applied is detected by the ultrasonic detector 3 to determine whether the stress state inside the metal is close to the load limit. At the same time, the torque state of the alloy casting when it is close to the load limit is recorded by the stretching mechanism 5, and the detection data signal is fed back to the control panel 2. The control panel 2 actively feeds back the control signal to the dynamic mechanism 4, changes the static axial tensile load applied by the stretching mechanism 5 to the alloy casting material, and the dynamic mechanism 4 changes the load force direction of the alloy casting, generates a spiral torque load on the alloy casting, simulates the load tensile state of the alloy casting in real complex working conditions, makes the detection data close to the real state, and improves the accuracy and rationality of the detection data.

[0034] like Figure 2 、 Figure 3 、 Figure 4 As shown, the dynamic mechanism 4 also includes a torsion motor 42 and a force distribution mechanism 43. The force distribution mechanism 43 includes a shell 431 and a tilting mechanism 434. The tilting mechanism 434 includes a ball head rod 437. The locking pin mechanism 44 also includes a stretching cylinder 441. The torsion motor 42 is fixedly connected to the assembly plate 41. The output end of the torsion motor 42 is fixedly connected to the shell 431. The output end of the stretching cylinder 441 is fixedly connected to the ball head rod 437.

[0035] When simulating the dynamic load of the clamped alloy casting, the control panel 2 sends a control signal to the torsion motor 42, and the torsion motor 42 outputs a fixed-axis torque to the shell 431. By driving the fixed-axis rotation of the shell 431, the clamping mechanism 6 and the shell 431 are relatively fixed. The fixed-axis torque output by the torsion motor 42 is converted into a spiral torque load of the clamping mechanism 6 on the alloy casting, and the force direction of the tensile load applied by the tensile mechanism 5 to the alloy casting material in the static axial direction is changed through the force distribution mechanism 43.

[0036] like Figure 3 、 Figure 4 As shown, the force distribution mechanism 43 also includes a drive motor 432 and a gear rod 433. A through hole 4311 is provided on the shell 431. The drive motor 432 is fixedly connected to the shell 431. The output end of the drive motor 432 is fixedly connected to the gear rod 433. The gear rod 433 is rotationally connected to the through hole 4311. The tilting mechanism 434 also includes a gear plate 436. The gear rod 433 is engaged with the tooth surface of the gear plate 436. The torsion motor 42 and the drive motor 432 are both connected to the control panel 2 through electrical signals.

[0037] The control panel 2 sends a control signal to the drive motor 432, and the drive motor 432 outputs a fixed-axis torque to the gear rod 433. Through the engagement of the tooth surfaces between the gear rod 433 and the toothed disc 436, the gear rod 433 transmits the torque to the toothed disc 436. The toothed disc 436 is rotatably assembled with the arcuate body 435. Through the rotation of the toothed disc 436, the tilting mechanism 434 changes the direction of the tensile load applied by the stretching mechanism 5 to the alloy casting material in the static axial direction.

[0038] like Figure 4 、 Figure 5 As shown, the tilting mechanism 434 also includes an arcuate body 435 and a spring tube 438. The arcuate body 435 is fixedly connected to the shell 431, the gear plate 436 is rotatably connected to the arcuate body 435, a ball 4371 is provided on the ball head rod 437, and a ball groove 4361 is provided on the gear plate 436. The ball 4371 is in contact with the ball groove 4361, and the ball head rod 437 is fixedly connected to the spring tube 438.

[0039] The toothed disc 436 is rotatably assembled with the arcuate body 435, and the ball groove 4361 on the toothed disc 436 contacts the ball 4371. The toothed disc 436 is driven to rotate by outputting a torque from the driving motor 432. When the toothed disc 436 drives the ball head rod 437 to rotate, the ball 4371 slides relatively in the ball groove 4361, and the ball head rod 437 is driven to rotate by the toothed disc 436, thereby changing the direction of the tensile load applied by the stretching mechanism 5 to the alloy casting material in the static axial direction.

[0040] like Figure 4 、 Figure 5 As shown, a threaded slide rail 4351 is provided on the arcuate body 435, and the threaded slide rail 4351 is provided on the side of the arcuate body 435 close to the gear plate 436. A sliding plate 4381 is provided on the spring tube 438, and the sliding plate 4381 is provided on the end of the spring tube 438 away from the ball head rod 437. The sliding plate 4381 is slidably connected to the threaded slide rail 4351.

[0041] The ball head rod 437 is assembled by sliding between the sliding plate 4381 on the spring cylinder 438 and the threaded slide 4351. The toothed plate 436 drives the ball head rod 437 to rotate. As the ball head rod 437 rotates around the toothed plate 436, the threaded slide 4351 is arranged on the inner arc surface of the arc surface body 435. The inclination of the threaded slide 4351 away from the center of the arc surface body 435 is greater than the inclination of the threaded slide 4351 close to the center of the arc surface body 435. As the sliding plate 4381 slides along the threaded slide 4351, the inclination slope of the ball head rod 437 increases with the sliding plate 4381 along the threaded slide 4351. The threaded guide rail 4351 slides and changes, and at this time the ball 4371 slides relatively in the ball groove 4361, ensuring that the housing 431 transmits the torque along the ball rod 437 to the stretching cylinder 441. The spring tube 438 stretches to change the distance between the ball rod 437 and the threaded guide rail 4351. The stretching cylinder 441 changes the degree of stretching at the output end according to the signal of the control panel 2, ensuring that the distance between the universal joint 442 and the ball rod 437 remains unchanged, so that the two ends of the alloy casting are stably clamped. The inclination slope of the ball rod 437 itself changes, changing the direction of the tensile load applied to the alloy casting material in the static axial direction.

[0042] like Figure 6 As shown, the locking pin mechanism 44 also includes a universal joint 442 and a cross locking pin 443. The universal joint 442 is fixedly connected to the stretching cylinder 441, the universal joint 442 is rotatably connected to the electric control locking pin 444, the cross locking pin 443 is rotatably connected to the universal joint 442, and a spherical airbag 4431 and an electric control valve 4432 are provided on the cross locking pin 443. The spherical airbag 4431 is in contact with the universal joint 442, and the stretching cylinder 441, the electric control valve 4432, and the electric control locking pin 444 are all connected to the control panel 2 through electrical signals.

[0043] When the inclination slope of the ball head rod 437 itself changes, the ball head rod 437 itself rotates under the drive of the toothed disc 436. At this time, the electric control lock pin 444 and the cross lock pin 443 on one side of the alloy casting are both opened, the universal joint 442 and the ball head rod 437 remain in an active state, the universal joint 442 and the wedge shell 61 remain in a rotating state, and the other end of the alloy casting is stably clamped by the clamping mechanism 6. The torque of the ball head rod 437 itself will not be transmitted to the alloy casting through the universal joint 442. When the inclination of the ball head rod 437 is changed, the control panel 2 sends a control signal The electrically controlled valve 4432 opens the external air pump to inject air into the spherical airbag 4431. The spherical airbag 4431 expands to fix the universal joint 442. The universal joint 442 and the ball head rod 437 are relatively fixed. The electrically controlled locking pin 444 is closed to keep the universal joint 442 and the wedge shell 61 relatively fixed. The inclination slope of the ball head rod 437 itself changes, changing the direction of the tensile load applied to the alloy casting material in the static axial direction. The shell 431 applies tensile loads in different directions in the static axial direction to the alloy casting material through the ball head rod 437 and the universal joint 442.

[0044] like Figure 7 As shown, the stretching mechanism 5 also includes an assembly frame 51, a first motor 53, a threaded rod 54 and a pressure sensor 56. The assembly frame 51 is fixedly connected to the side frame 52, the first motor 53 and the pressure sensor 56. The output end of the first motor 53 is fixedly connected to the threaded rod 54. A threaded hole 551 and a pressure rod 552 are provided on the slide 55. The threaded rod 54 is connected to the threaded hole 551 through a threaded connection. A vertical slide rail 521 is provided on the side frame 52. The slide 55 is slidably connected to the vertical slide rail 521. The pressure rod 552 is in contact with the pressure sensor 56. The first motor 53 and the pressure sensor 56 are connected to the control panel 2 through electrical signals.

[0045] The first motor 53 outputs a fixed-axis torque to the threaded rod 54. The torque of the threaded rod 54 is converted into torque through the threaded assembly between the threaded rod 54 and the threaded hole 551. The slide 55 moves back and forth along the vertical slide rail 521. The slide 55 drives a group of clamping mechanisms 6 to move, and a static axial tensile load is applied to the two sections of the clamped alloy castings. The ultrasonic detector 3 detects the alloy castings to which the load is applied to see whether the stress state inside the metal is close to the load limit. At the same time, the pressure rod 552 squeezes the pressure sensor 56 to record the torque state of the alloy casting when it is close to the load limit.

[0046] like Figure 8 As shown, the clamping mechanism 6 also includes a rocker 62, a rack rod 63 and a wedge block 64. The rocker 62 is rotatably connected to the wedge shell 61. The wedge shell 61 is provided with an inner bevel 611. There are two groups of inner bevels 611 and wedge blocks 64. The two groups of inner bevels 611 and wedge blocks 64 are mirror-arranged along the central axis of the wedge shell 61. A semicircular tooth pair 621 is provided on the rocker 62. The semicircular tooth pair 621 is engaged with the tooth surface of the rack rod 63. The rack rod 63 is slidably connected to the wedge shell 61. A limiting groove 641 is provided on the wedge block 64. The rack rod 63 contacts the limiting groove 641. The wedge block 64 is slidably connected to the inner bevel 611.

[0047] The experimenters placed the two ends of the alloy casting between two groups of wedge blocks 64, rotated the rocker 62, and engaged the tooth surface between the semicircular tooth pair 621 on the rocker 62 and the rack rod 63, causing the rack rod 63 to move along its axis. The rack rod 63 drove the wedge blocks 64 to move through the limit groove 641. The two groups of mirror-image wedge blocks 64 slid toward each other along the inner inclined surface 611 of the wedge shell 61, and the two groups of wedge blocks 64 fixedly clamped the alloy casting.

[0048] The working principle of the present invention is as follows: the two ends of the alloy casting are fixed respectively, a group of clamping mechanisms 6 are fixed relative to the side frame 52 through the assembly plate 41, the control panel 2 sends an electric control signal, the stretching mechanism 5 drives the other group of clamping mechanisms 6 to apply a static axial tensile load to the alloy casting, the ultrasonic detector 3 detects the alloy casting to which the load is applied, and whether the stress state inside the metal is close to the load limit, and at the same time records the torque state of the alloy casting when it is close to the load limit. When the simulated load simulation is performed on the clamped alloy casting, the torsion motor 42 outputs a fixed-axis torque to the housing 431, and the fixed-axis torque output by the torsion motor 42 is converted into a spiral torque load of the clamping mechanism 6 on the alloy casting. The driving motor 432 outputs a fixed-axis torque to the gear rod 433 to drive the toothed disc 436 to rotate, and the ball head rod 437 is slidably assembled between the sliding disc 4381 on the spring cylinder 438 and the threaded slide rail 4351. As the ball head rod 437 rotates around the gear plate 436, the inclination slope of the ball head rod 437 changes as the sliding plate 4381 slides along the threaded slide rail 4351, and the ball 4371 slides relatively in the ball slide groove 4361, ensuring that the shell 431 transmits the torque along the ball head rod 437 to the stretching cylinder 441. The spring tube 438 stretches to change the distance between the ball head rod 437 and the threaded slide rail 4351, and the stretching cylinder 441 changes the stretching degree of the output end to ensure that the distance between the universal joint 442 and the ball head rod 437 remains unchanged, so that the two ends of the alloy casting are stably clamped. The inclination slope of the ball head rod 437 itself changes, which changes the force direction of the tensile load applied to the alloy casting material in the static axial direction, and generates a spiral torque load on the alloy casting, simulating the load and tensile state of the alloy casting in real complex working conditions, making the detection data close to the actual state, and improving the accuracy and rationality of the detection data.

[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A detection device for alloy castings with a tensile property detection function, characterized in that: The detection device comprises a base (1), a control panel (2), an ultrasonic detector (3), a dynamic mechanism (4), a stretching mechanism (5) and a clamping mechanism (6), wherein the dynamic mechanism (4) comprises an assembly plate (41) and a locking pin mechanism (44), the stretching mechanism (5) comprises a side frame (52) and a slide (55), and the clamping mechanism (6) comprises a wedge-shaped shell (61). The assembly plate (41) and the clamping mechanism (6) are each provided with two groups, one group of the assembly plate (41) and the side frame (52) The other assembly plate (41) is fixedly connected to the slide (55), the locking pin mechanism (44) includes an electrically controlled locking pin (444), the electrically controlled locking pin (444) is fixedly connected to the wedge-shaped shell (61), the side frame (52) and the control panel (2) are both fixedly connected to the base (1), the ultrasonic detector (3) is fixedly connected to the side frame (52), and the ultrasonic detector (3), the dynamic mechanism (4), and the stretching mechanism (5) are all connected to the control panel (2) via electrical signals; The dynamic mechanism (4) further comprises a torsion motor (42) and a force distribution mechanism (43), wherein the force distribution mechanism (43) comprises a housing (431) and a tilting mechanism (434), and the tilting mechanism (434) comprises a ball head rod (437); The tilting mechanism (434) further includes an arcuate body (435) and a spring barrel (438), wherein the arcuate body (435) is fixedly connected to the housing (431), the toothed disc (436) is rotatably connected to the arcuate body (435), the ball head rod (437) is provided with a ball slide (4361), the toothed disc (436) is provided with a ball slide (4361), the ball (4371) contacts the ball slide (4361), and the ball head rod (437) is fixedly connected to the spring barrel (438); A threaded slide rail (4351) is provided on the arcuate body (435), and the threaded slide rail (4351) is provided on the side of the arcuate body (435) close to the toothed disc (436). A sliding disc (4381) is provided on the spring barrel (438), and the sliding disc (4381) is provided on the end of the spring barrel (438) away from the ball head rod (437). The sliding disc (4381) is slidably connected to the threaded slide rail (4351).

2. The alloy casting detection device with tensile property detection function according to claim 1, characterized in that: The locking pin mechanism (44) further includes a stretching cylinder (441), the torsion motor (42) is fixedly connected to the assembly plate (41), the output end of the torsion motor (42) is fixedly connected to the housing (431), and the output end of the stretching cylinder (441) is fixedly connected to the ball head rod (437).

3. The alloy casting detection device with tensile property detection function according to claim 2, characterized in that: The force distribution mechanism (43) further comprises a driving motor (432) and a gear rod (433); a through hole (4311) is provided on the housing (431); the driving motor (432) is fixedly connected to the housing (431); an output end of the driving motor (432) is fixedly connected to the gear rod (433); the gear rod (433) is rotationally connected to the through hole (4311); the tilting mechanism (434) further comprises a toothed disc (436); the toothed surfaces of the gear rod (433) and the toothed disc (436) are meshed; the torsion motor (42) and the driving motor (432) are both connected to the control panel (2) via electrical signals.

4. The alloy casting detection device with tensile property detection function according to claim 2, characterized in that: The locking pin mechanism (44) further comprises a universal joint (442) and a cross locking pin (443); the universal joint (442) is fixedly connected to the stretching cylinder (441); the universal joint (442) is rotatably connected to the electric control locking pin (444); the cross locking pin (443) is rotatably connected to the universal joint (442); a spherical airbag (4431) and an electric control valve (4432) are provided on the cross locking pin (443); the spherical airbag (4431) is in contact with the universal joint (442); the stretching cylinder (441), the electric control valve (4432), and the electric control locking pin (444) are all connected to the control panel (2) via electrical signals.

5. The alloy casting detection device with tensile property detection function according to claim 1, characterized in that: The stretching mechanism (5) further comprises an assembly frame (51), a first motor (53), a threaded rod (54) and a pressure sensor (56); the assembly frame (51) is fixedly connected to the side frame (52), the first motor (53) and the pressure sensor (56); the output end of the first motor (53) is fixedly connected to the threaded rod (54); a threaded hole (551) and a pressure rod (552) are provided on the slide (55); the threaded rod (54) and the threaded hole (551) are connected by threads; a vertical slide rail (521) is provided on the side frame (52); the slide (55) is slidably connected to the vertical slide rail (521); the pressure rod (552) contacts the pressure sensor (56); and the first motor (53) and the pressure sensor (56) are connected to the control panel (2) by electrical signals.

6. The alloy casting detection device with tensile property detection function according to claim 1, characterized in that: The clamping mechanism (6) further comprises a rocker (62), a rack rod (63) and a wedge block (64), wherein the rocker (62) is rotatably connected to the wedge shell (61), the wedge shell (61) is provided with an inner bevel (611), two groups of the inner bevel (611) and the wedge block (64) are provided, and the two groups of the inner bevel (611) and the wedge block (64) are arranged in a mirror image along the central axis of the wedge shell (61), the rocker (62) is provided with a semicircular tooth pair (621), the semicircular tooth pair (621) is meshed with the tooth surface of the rack rod (63), the rack rod (63) is slidably connected to the wedge shell (61), a limiting groove (641) is provided on the wedge block (64), the rack rod (63) contacts the limiting groove (641), and the wedge block (64) is slidably connected to the inner bevel (611).

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