A rotatable ring-shaped device for simulating impact testing under high temperature conditions.

Abstract

This invention provides a rotatable annular high-temperature impact test simulation device, including a high-temperature furnace. The device is characterized by an annular fixture platform, which comprises a set of annular slide rails, multiple high-temperature fixtures, and multiple support modules. Each support module includes a fixture platform frame, a support plate, and two annular sliding rings. This invention allows for the simultaneous assembly of multiple specimens. During testing, the specimens can be rotated into or out of the high-temperature furnace by rotating the annular slide rails. While one specimen is undergoing an impact test, the completed specimen can be cooled outside the furnace. The specimen replacement process is simple, significantly improving testing efficiency while meeting testing conditions. This effectively overcomes the problem of cumbersome assembly and disassembly and low efficiency in existing technologies when testing a large number of specimens.

Description

Technical Field

[0001] This invention relates to a ring-shaped rotatable high-temperature impact test simulation device, belonging to the field of aero-engine impact and containment testing. Background Technology

[0002] During takeoff and landing, the powerful suction of the engine often draws in foreign objects (sand, screws, branches, etc.) from near the runway, damaging the fan / compressor blades located near the air intake. Under the combined effects of the rotor's strong centrifugal force, aerodynamic loads, and vibration loads caused by rotor imbalance, these blades are prone to cracking and fracture, ultimately leading to serious air disasters. Although protective shields are installed and airport runways are cleaned, damage from foreign objects at the millimeter level cannot be completely eliminated. Furthermore, blade maintenance and replacement require significant manpower, material resources, and financial investment. Therefore, research into the damage mechanisms of FOD (Foreign Object Debris) and the development of inclusive blade designs are particularly important.

[0003] Currently, the most reliable method for laboratory simulation is the high-speed ballistic impact method, which uses compressed gas to generate power to propel a hard object to impact the blade, simulating the blade's state upon impact. Most current high-speed ballistic impact simulation tests are conducted at room temperature, failing to consider the temperature sensitivity of composite materials, thus limiting the experimental data obtained. Simulation devices for high-temperature conditions have also emerged, but they generally suffer from problems such as complex specimen replacement procedures and long cooling times required for disassembling individual fixtures, leading to low testing efficiency. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a ring-shaped, rotatable, high-temperature impact test simulation device for efficiently simulating the high-temperature service environment of typical aero-engine components, thereby improving upon existing technologies.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A ring-shaped rotatable high-temperature impact test simulation device includes a high-temperature furnace, characterized in that it is further provided with a ring-shaped fixture platform, the ring-shaped fixture platform including a set of ring slide rails, multiple high-temperature fixtures and multiple support modules, each support module including a fixture platform frame, a support plate and two ring slide rings;

[0007] The high-temperature furnace is equipped with an inlet for aiming at the firing end of a light gas gun, and side openings on its left and right sides for a ring-shaped slide rail to pass through. The ring-shaped slide rail passes through the furnace cavity of the high-temperature furnace through the side openings.

[0008] The high-temperature clamps are used to install the test specimens. Multiple high-temperature clamps are evenly distributed on the ring slide rails and are fixedly connected to the ring slide rails.

[0009] The support plate is fixed to the top of the fixture frame of the same support module, and two ring slip rings are fixed to the upper and lower ends of the support plate. Each fixture frame is evenly distributed along the circumference on the side of the ring slip rail. The ring slip rail is set between the upper and lower ring slip rings of each support module and is slidably connected to the two ring slip rings.

[0010] Driven manually or by a driving mechanism, the circular slide rails rotate around their own center, sequentially transferring the specimens installed in the high-temperature fixtures into the furnace cavity of the high-temperature furnace for impact testing.

[0011] Based on the above solutions, further improvements or preferred solutions include:

[0012] Furthermore, the ring slide rail includes two unit rails, which are aligned vertically and parallel to each other, and a high-temperature clamp is installed between the two unit rails;

[0013] The unit track is circular, with a flat rail part P for connecting a high-temperature clamp on one side in the vertical direction, and a convex rail part T for connecting a ring-shaped sliding ring on the other side. In the middle is an annular connecting seat connecting the flat rail part P and the convex rail part T. The cross-section of the flat rail part P is flat and rectangular, and the cross-section of the convex rail part T is circular. One side of the annular connecting seat is fixed to the flat rail part P, and the other side is fixedly connected to the convex rail part T. The inner and outer sides of the annular connecting seat do not exceed the width range of the flat rail part P, and the width of the contact surface with the convex rail part T is smaller than the diameter of the convex rail part T.

[0014] The ring slip ring is provided with a convex rail groove that fits the shape of the convex rail part T. The upper unit track and the lower unit track are symmetrical in structure. The convex rail part T of the upper unit track faces upward and the convex rail part T of the lower unit track faces downward, so as to engage with the convex rail grooves of the upper and lower ring slip rings.

[0015] Furthermore, the unit track consists of two separable half-tracks;

[0016] One end of the half-rail is provided with a connector U protruding from its end reference surface, and the other end is provided with a connector groove N that fits the shape of the connector U. When the two half-rails are assembled together, the connector U of one half-rail is perfectly embedded in the connector groove N of the other half-rail, and the semi-annular convex rail parts on the upper part of the two half-rails are perfectly connected to form a complete circular convex rail part T. The groove walls of the connector U and the connector groove N are machined with corresponding screw holes. When the two half-rails are assembled together, they are fixed together with screws.

[0017] Furthermore, the ring-shaped slip ring consists of a slip ring plate and one or more slip groove bosses;

[0018] The fixture frame is fixedly connected to the back of the support plate, and the inner side of the slip ring plate is fixedly connected to the front of the support plate; one end of the slide groove boss is fixed to the surface of the slip ring plate, and the other end is provided with the slide groove that matches the T-shape of the slide rail part, and the slide groove bosses located on the upper and lower sides of the same support module have their slide rail grooves facing each other.

[0019] Furthermore, the high-temperature fixture includes a fixing plate and a cover plate;

[0020] The fixing plate is in the shape of an "I" and consists of a clamping plate and two clamping top plates. The clamping plate has a through hole in the middle, and the two clamping top plates are vertically fixed to the upper and lower ends of the clamping plate, respectively used to connect the flat rail parts P of the upper and lower unit tracks.

[0021] The cover plate has a specimen slot C for mounting specimens on the side facing the fixing plate. The specimen is clamped between the clamping plate and the cover plate. The edges of the clamping plate and the cover plate are provided with corresponding screw holes to lock the fixing plate and the cover plate together with bolts.

[0022] The middle part of the specimen slot C has a through hole of the same shape at the position corresponding to the through hole of the clamping plate. The two through holes are used to expose the part of the specimen to be tested.

[0023] Furthermore, the size of the specimen slot C is larger than that of the specimen, and an asbestos mesh is laid in the part of the specimen slot C that contacts the specimen, and the gap between the specimen and the cover plate is filled by the asbestos mesh.

[0024] Furthermore, the furnace body of the high-temperature furnace includes a high-temperature furnace wall and a protective wall disposed inside the high-temperature furnace wall. The high-temperature furnace wall has a high-temperature furnace inlet G1 on the side away from the annular slide rail, and the protective wall has a protective wall inlet G2 at a corresponding position on the same side. The high-temperature furnace inlet G1 and the protective wall inlet G2 are the same size and are used as openings for the marbles to be driven into the impact test specimen. The high-temperature furnace wall has high-temperature furnace side openings F1 on the left and right sides, and the protective wall has protective wall side openings F2 on the left and right sides. The high-temperature furnace side openings F1 and the protective wall side openings F2 are the same size and are corresponding in position, and are used as entrances and exits for the annular slide rail to pass through the high-temperature furnace.

[0025] Furthermore, a set of furnace wall slide rails is installed on the outer surface of each of the left and right sides of the high-temperature furnace wall. The furnace wall slide rails are located beside the high-temperature furnace side opening F1 on their respective side walls. Insulation plates are installed on the furnace wall slide rails. The insulation plates are slidably connected to the furnace wall slide rails and are used to block the high-temperature furnace side opening F1 located between the two unit tracks, mainly to reduce heat loss.

[0026] Furthermore, the high-temperature furnace also includes multiple protective wall side sealing plates. The protective wall side sealing plates are installed in pairs on a ring slide rail, located on the left and right sides of each high-temperature fixture. The upper and lower ends of the protective wall side sealing plates are fixedly connected to the flat rail part P of the upper and lower unit rails. When the specimen is rotated into the protective wall of the high-temperature furnace body and stops at the preset impact position, the protective wall side sealing plates on the left and right sides of the specimen are respectively on the same plane with the left and right sides of the protective wall, which are used to block the protective wall side opening F2 located between the two unit rails, mainly to prevent the marble from accidentally popping out from the protective wall side opening F2.

[0027] The beneficial effects of this invention are:

[0028] This invention provides a ring-shaped rotatable high-temperature impact test simulation device that can assemble multiple specimens at once. During the test, the specimens can be rotated into or out of the high-temperature furnace in turn by rotating the ring slide rails. While one specimen is undergoing an impact test, the specimen that has completed the test can be cooled outside the high-temperature furnace. The specimen replacement process is simple, and the test efficiency can be greatly improved while meeting the test conditions. It effectively overcomes the problem of low efficiency caused by the troublesome disassembly and assembly when testing a large number of specimens in the prior art. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of the impact test simulation device of the present invention;

[0030] Figure 2 This is a schematic diagram of the high-temperature fixture.

[0031] Figure 3 This is a schematic diagram of the structure of a high-temperature furnace;

[0032] Figure 4 This is a schematic diagram of the structure of the ring-shaped slip ring and the support plate;

[0033] Figure 5 This is a schematic diagram of the structure of a ring-shaped slide rail unit track;

[0034] Figure 6 This is a schematic diagram of the structure of a ring-shaped slide rail half-rail;

[0035] Figure 7 This is a schematic diagram of the furnace wall slide rails and insulation board.

[0036] The symbols in the diagram are explained as follows:

[0037] 1-Ring slide rail, 2-Clamping stand, 3-Supporting platform, 4-Supporting plate, 5-Protective wall side sealing plate, 6-High temperature furnace wall, 7-Ring slide ring, 8-Clamping fixing plate, 9-Cover plate, 10-Specimen, 11-Clamping top plate, 12-Screw hole. 13-High temperature furnace front sealing plate, 14-Protective wall front sealing plate, 15-Protective wall, 16-Slide groove boss, 17-Furnace wall slide rail, 18-High temperature furnace side sealing plate, 19-Half rail, 20-Insulation plate, 21-Slip ring plate, 22-Screw hole;

[0038] G1 - High-temperature furnace inlet, G2 - Protective wall inlet, F1 - High-temperature furnace side opening, F2 - Protective wall side opening, C - Specimen slot, T - Convex rail part, P - Flat rail part, U - Connector, N - Connector slot. Detailed Implementation

[0039] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0040] A ring-shaped rotatable high-temperature impact test simulation device includes a ring-shaped fixture platform and a high-temperature furnace, the specific structures of which are as follows.

[0041] 1) Circular clamping table

[0042] The annular clamping platform includes a set of annular slide rails 1, three high-temperature clamps, and three support modules. Each support module includes a clamping platform frame 2, a support plate 4, and two annular slide rings 7, wherein:

[0043] 1) Circular slide rails

[0044] The ring slide rail 1 includes two unit rails, which are placed horizontally and aligned vertically. They are connected by a high-temperature clamp to form an integral structure. The specimen 10 is assembled between the two unit rails by a support plate 4 and a ring slide ring 7.

[0045] The two unit tracks are symmetrical in structure, have the same size, and each consists of two separable half-tracks 19.

[0046] Take the upper unit track as an example:

[0047] like Figure 5As shown, the unit track is annular, with a flat rail portion P at the bottom connecting to the high-temperature clamp, a convex rail portion T at the top connecting to the ring slip ring 7, and an annular connecting seat in the middle connecting the flat rail portion P and the convex rail portion T. The cross-section of the flat rail portion P is flat and rectangular, while the cross-section of the convex rail portion T is circular. The cross-section of the annular connecting seat is narrower at the top and wider at the bottom, with a gradually changing width, approximating a trapezoid. The bottom of the annular connecting seat is fixed to the upper surface of the flat rail portion P, and its inner and outer sides do not exceed the width range of the flat rail portion P. The top of the annular connecting seat is fixedly connected to the bottom of the convex rail portion T, and the width of their contact surface is smaller than the diameter of the convex rail portion T. The half-rails 19 that make up the unit track are as follows: Figure 6 As shown, one end of the half rail 19 has a connector U protruding from its end reference surface, and the other end has a connector groove N that matches the shape of the connector U. When the two half rails 19 are assembled together, the connector U of one half rail is just embedded in the connector groove N of the other half rail, and the semi-annular convex rail parts on the upper part of the two half rails 19 are connected to form a complete annular convex rail part T. The groove walls of the connector U and the connector groove N are machined with corresponding screw holes. When the two half rails 19 are assembled together, the bolts are screwed into the screw holes from the bottom side of the two half rails 19 to fix the two assembled half rails 19 together.

[0048] The lower unit track is symmetrical to the upper unit track, with the flat rail portion P on top and the convex rail portion T on the bottom, facilitating connection with the upper and lower annular sliding rings 7 of each support module. In this embodiment, the structural design of the annular sliding rail 1 effectively reduces the weight of the rail, making operation convenient and structurally stable, while also saving materials. The half-rail design of the annular sliding rail 1 can also employ other detachable assembly methods, as long as the structural stability of the annular sliding rail 1 is ensured.

[0049] 2) Support plate and fixture frame

[0050] The support plate 4 is a rectangular plate, and three support plates 4 are evenly distributed circumferentially on the inner side of the two unit tracks, arranged in an equilateral triangle. The fixture frame 2 is made of a rectangular rod, corresponding one-to-one with the support plate 4, and can be erected on the ground or other stable workbench, with the height depending on the height of the high-temperature furnace. The back of the support plate 4, i.e., the side facing the center of the unit track, is fixed to the top of the corresponding fixture frame 2 by welding.

[0051] 3) Circular slip rings

[0052] The ring slip ring 7 is a component connecting the support plate 4 and the ring slide rail 1, such as... Figure 4As shown, each annular slip ring 7 consists of a slip ring plate 21 and two sliding groove bosses 16. One end of the sliding groove boss 16 is fixed to the slip ring plate 21, and the other end has a convex rail groove whose shape matches the shape of the convex rail portion T. The annular slip rings 7 are arranged in pairs, with each pair of annular slip rings 7 corresponding to a support plate 4 and a clamping frame 2. The two annular slip rings 7 located in the same group are arranged symmetrically, installed on the convex rail portions T of the upper and lower unit tracks respectively, and the inner end of the slip ring plate 21 of both is fixedly connected to the front of the corresponding support plate 4.

[0053] 4) High-temperature fixtures

[0054] Three high-temperature clamps are evenly distributed along the circumference of the ring slide rail 1, with adjacent high-temperature clamps spaced 120° apart. Each high-temperature clamp includes a clamp fixing plate 8 and a cover plate 9.

[0055] The clamp fixing plate 8 consists of a clamping plate and two upper and lower clamping top plates 11, with an overall "I" shape. A rectangular through hole is provided in the middle of the clamping plate, and the two upper and lower clamping top plates 11 are vertically fixed to the upper and lower ends of the clamping plate, respectively. They are welded to the horizontal rail portion P of the upper and lower unit tracks, connecting the two unit tracks into one unit. The connection position of the clamp fixing plate 8 to the unit track should avoid the half-rail splicing point of the unit track.

[0056] The cover plate 9 is a rectangular flat plate with a specimen slot C for mounting the specimen 10. The specimen slot C has rectangular through holes of the same shape at positions corresponding to the rectangular through holes in the clamping plate. When the specimen 10 is fixed between the clamping plate and the cover plate 9, the two rectangular through holes expose the test area of ​​the specimen 10 from both the front and rear sides. Considering the thermal effect of the specimen 10's thermal expansion, the length, width, and thickness of the specimen slot C are slightly larger than the specimen 10. To maintain the stability of the specimen 10 during movement, an asbestos mesh is laid at the contact point between the specimen slot C and the specimen 10. The asbestos mesh is a high-temperature resistant material with a certain degree of elasticity. By filling the gap between the specimen 10 and the specimen slot C in the front-to-back direction with the asbestos mesh, the extra space required for the thermal expansion of the specimen 10 can be compensated by compressing the asbestos mesh while maintaining the stability of the specimen 10. Other elastic and high-temperature resistant materials can also be used instead of the asbestos mesh. The middle rectangular plate of the clamp fixing plate 8 and the cover plate 9 are provided with screw holes 12 at the four corners. The screw holes 12 are used to connect the clamp fixing plate 8 and the cover plate 9 with bolts, and to clamp the specimen 10 between the clamp fixing plate 8 and the cover plate 9, so that the specimen 10 can move together with the ring slide rail 1.

[0057] II) High-temperature furnace

[0058] The high-temperature furnace includes a furnace body and six protective wall side sealing plates 5. The furnace body is placed on a support platform 3. The height of the support platform 3 depends on the height of the light gas cannon platform. The protective wall side sealing plates are installed in pairs on the left and right sides of each high-temperature fixture. Their upper and lower ends are fixedly connected to the horizontal rail parts P of the upper and lower unit tracks, respectively.

[0059] The high-temperature furnace body includes a high-temperature furnace wall 6 and a protective wall 15 disposed inside the high-temperature furnace wall 6. Both the high-temperature furnace wall 6 and the protective wall 15 are rectangular shells. The high-temperature furnace wall 6 has an openable high-temperature furnace front sealing plate 13 on the side away from the annular slide rail 1. The protective wall 15 has an openable protective wall front sealing plate 14 on the same side. The high-temperature furnace front sealing plate 13 has a narrow high-temperature furnace inlet G1, and the protective wall front sealing plate 14 has a narrow protective wall inlet G2. The high-temperature furnace inlet G1 and the protective wall inlet G2 are the same size and aligned front to back, used to drive in impact test pieces 10 marbles. The high-temperature furnace wall 6 has rectangular high-temperature furnace side openings F1 on its left and right sides, and the protective wall 15 has rectangular protective wall side openings F2 on its left and right sides. The high-temperature furnace side openings F1 and the protective wall side openings F2 are the same size and aligned, serving as the entrance and exit for the annular slide rail 1 to pass through the high-temperature furnace body.

[0060] On the outer surface of the left and right sides of the high-temperature furnace wall 6, there is a furnace wall slide rail 17. The furnace wall slide rail 17 is located next to the high-temperature furnace side opening F1 on its side wall. The heat insulation plate 20 is installed on the furnace wall slide rail 17 and can slide along the furnace wall slide rail 17 to block the high-temperature furnace side opening F1 located between the two unit tracks, thereby reducing the heat loss of the high-temperature furnace body during the test.

[0061] The protective wall side sealing plate is used to block the protective wall side opening F2. When the specimen 10 rotates into the high-temperature furnace with the ring slide rail 1 and is in the preset impact position, the protective wall side sealing plates on both sides of the specimen 10 are exactly in the rectangular side opening F2 on both sides of the protective wall 15, and are on the same plane as the side of the protective wall 15, so as to play a blocking role and prevent the marbles impacting the specimen 10 from rebounding and accidentally popping out along the protective wall side opening F2.

[0062] In this embodiment:

[0063] The specimen 10 is a rectangular flat plate specimen with a length of 150 mm, a width of 100 mm, and a thickness of 9 mm, and is made of composite material;

[0064] The distance between the upper and lower unit rails of the ring slide rail 1 is 200mm. The height of a single unit rail is 57.3mm, the inner diameter is 1500mm, the cross-sectional diameter of the convex rail part T is 20mm, and the cross-sectional length of the flat rail part P is 54mm and the width is 6mm.

[0065] The support plate 4 is a plate with a length of 357mm and a width of 202mm, and a sliding ring plate 21 perpendicular to it is welded to its upper and lower ends respectively.

[0066] The sliding ring plate 21 of the ring slip ring 7 is a plate with a length of 202mm and a width of 100mm. The convex rail groove on its sliding groove boss 16 is a fan-shaped groove with a central angle of 5°. The center of the fan-shaped groove is on the same straight line as the center of the ring slip rail 1. The height of the sliding groove boss 16 is 40mm. The cross-section of the convex rail groove is arc-shaped with a diameter of about 20mm, which matches the size of the convex rail part T. The two can fit together well.

[0067] The cover plate 9 of the high-temperature fixture is a plate with a length of 186mm and a width of 120mm. The length, width and thickness of the specimen slot C on the cover plate 9 are all 2mm larger than the specimen. The clamping plate of the fixture fixing plate 8 has the same size as the cover plate 9. The top plate 11 of the upper and lower fixtures is a fan-shaped annular plate with a central angle of 10° and a thickness of 5mm. When the top plate 11 of the fixture is connected to the flat rail part P of the ring slide rail 1, the arc-shaped edge lines on the front and rear sides of the fan-shaped annular plate are aligned with the edge lines on the inner and outer sides of the flat rail part P.

[0068] The high-temperature furnace inlet G1 and the protective wall inlet G2 on the high-temperature furnace front sealing plate 13 and the protective wall front sealing plate 14 are 300mm high and 20mm wide. The two inlets are aligned with the firing end of the light gas gun. If the annular fixture table is placed on the three-axis moving worktable, the position of the light gas gun impacting the specimen 10 can be changed by moving the worktable up and down.

[0069] The side openings F1 and F2 on both sides of the high-temperature furnace wall 6 and the protective wall 15 are 340mm long and 70mm wide. After the annular fixture platform is assembled, the upper and lower ends of the two rectangular side openings are left with a distance of about 25mm between them and the upper and lower unit tracks to prevent friction between the unit tracks and the high-temperature furnace wall 6 and the protective wall 15 when they rotate.

[0070] The insulation board 20 is a rectangular plate with a height of 180mm and a width of 110mm. A 20mm gap is left between its two lower ends and the two unit tracks to prevent friction between the insulation board 20 and the ring slide rail 1.

[0071] Installation method and working principle:

[0072] Place the high-temperature furnace body on the support platform 3 and connect it securely, align its inlet with the firing end of the light gas gun, and confirm that the speed measuring mechanism at the outlet of the light gas gun can operate normally.

[0073] Disassemble the two unit tracks into half-track 19 states. Insert the convex rail grooves on the upper and lower sides of the ring slip ring 7 into the convex rail parts T of the upper and lower unit tracks. Use the fixture frame 2 and support plate 4 to support the half-track 19 of the two unit tracks. After passing one half of the two unit tracks through the side openings F1 and F2 of the high-temperature furnace body, then assemble and fix them with the other half. Fix the bottom of the fixture frame 2 to the workbench.

[0074] Install the test piece 10 in each high-temperature fixture and lock the cover plate 9 to the fixture fixing plate 8.

[0075] The high-pressure gas source of the light gas cannon is turned on, and an appropriate amount of gas is released. The solenoid valve of the light gas cannon is opened to release the empty cannon to expel the air inside the cannon barrel. Then, through manual or separately set automatic drive mechanism, the ring slide rail 1 is controlled to rotate around its center of rotation, and one of the test specimens 10 is transferred into the high-temperature furnace to the impact position. The insulation plate 20 is moved to block the gap between the two unit tracks. The high temperature is turned on to start heating. After reaching the specified temperature, a flame-retardant material cartridge case is installed in the light gas cannon turret. The high-pressure gas source is turned on to release a fixed amount of gas. The solenoid valve of the light gas cannon is opened to fire a bullet into the test specimen 10 in the high-temperature furnace. After completing one impact test, the insulation plate 20 is removed, and the ring slide rail 1 is rotated again to remove the test specimen 10 from the protective wall 15 and transfer it to the outside of the high-temperature furnace for cooling and observation. At the same time, the next test specimen 10 is transferred into the high-temperature furnace. By repeating the test steps and rotating the ring slide rail 1, the impact test of multiple test specimens 10 can be completed quickly.

[0076] It should be noted that, because the components of the annular fixture platform are to be exposed to the high-temperature environment of the furnace, they are all made of materials that are resistant to the high temperatures of the furnace. If the control track is rotated manually, for safety reasons, the relevant operators should wear heat-insulating gloves.

[0077] The above are merely preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of the present invention should be considered within the scope of protection of the present invention. It should be noted that terms such as "front," "rear," "left," "right," "inner," and "outer" used in the invention are merely for clarity of description and are not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the present invention.

Claims

1. A ring-shaped rotatable high-temperature impact test simulation device, comprising a high-temperature furnace, characterized in that... It also includes a ring fixture platform, which includes a set of ring slide rails (1), multiple high-temperature fixtures and multiple support modules. Each support module includes a fixture platform (2), a support plate (4) and two ring slide rings (7). The furnace body of the high-temperature furnace is provided with an inlet for aiming at the firing end of the light gas gun, and side openings are provided on its left and right sides to allow the passage of the annular slide rail (1). The annular slide rail (1) is circular and passes through the furnace cavity of the high-temperature furnace through the side openings. The high-temperature clamp is used to install the test piece (10). Multiple high-temperature clamps are evenly distributed on the ring slide rail (1) and are fixedly connected to the ring slide rail (1). The support plate (4) is fixed to the top of the fixture frame (2) of the same support module. Two ring slip rings (7) are fixed to the upper and lower ends of the support plate (4). Each fixture frame (2) is evenly distributed along the circumference on the side of the ring slip rail (1). The ring slip rail (1) is set between the upper and lower ring slip rings (7) of each support module and is slidably connected to the two ring slip rings (7). Driven by manual or driving mechanism, the ring slide rail (1) rotates around its own center of rotation, and the test piece (10) installed in the high temperature fixture is sequentially transferred into the furnace cavity of the high temperature furnace for impact test.

2. The ring-shaped rotatable high-temperature impact test simulation device according to claim 1, characterized in that: The ring slide rail (1) includes two unit rails, which are aligned vertically and parallel to each other, and a high-temperature clamp is installed between the two unit rails; The unit track is circular, with a flat rail part (P) for connecting a high-temperature clamp on one side of its vertical direction, and a convex rail part (T) for connecting a ring slip ring (7) on the other side. In the middle is an annular connecting seat connecting the flat rail part (P) and the convex rail part (T). The cross-section of the flat rail part (P) is flat and rectangular, and the cross-section of the convex rail part (T) is circular. One side of the annular connecting seat is fixed on the flat rail part (P), and the other side is fixedly connected to the convex rail part (T). The inner and outer sides of the annular connecting seat do not exceed the width range of the flat rail part (P), and the width of the contact surface with the convex rail part (T) is smaller than the diameter of the convex rail part (T). The ring slip ring (7) is provided with a convex rail groove that fits the shape of the convex rail part (T). The upper unit track and the lower unit track are symmetrical in structure. The convex rail part (T) of the upper unit track faces upward and the convex rail part (T) of the lower unit track faces downward, so as to engage with the convex rail grooves of the upper and lower ring slip rings (7).

3. The ring-shaped rotatable high-temperature impact test simulation device according to claim 2, characterized in that: The unit track consists of two separable half-tracks (19); One end of the half rail (19) is provided with a connector (U) protruding from its end reference surface, and the other end is provided with a connector slot (N) that fits the shape of the connector (U). When the two half rails (19) are assembled together, the connector (U) of one half rail is just embedded in the connector slot (N) of the other half rail, and the semi-annular convex rail parts on the upper part of the two half rails (19) are just connected to form a complete circular convex rail part (T). The groove walls of the connector (U) and the connector slot (N) are machined with corresponding screw holes. When the two half rails (19) are assembled together, the two assembled half rails (19) are fixed together with screws.

4. The ring-shaped rotatable high-temperature impact test simulation device according to claim 2, characterized in that: The ring slip ring (7) consists of a slip ring plate (21) and one or more slip groove bosses (16); The fixture frame (2) is fixedly connected to the back of the support plate (4), and the inner side of the slip ring plate (21) is fixedly connected to the front of the support plate (4). One end of the slide boss (16) is fixed to the surface of the slide ring plate (21), and the other end is provided with the convex rail slide groove that matches the shape of the convex rail part (T). The slide bosses (16) located on the upper and lower sides of the same support module have their convex rail slide grooves facing each other.

5. The ring-shaped rotatable high-temperature impact test simulation device according to claim 2, characterized in that: The high-temperature fixture includes a fixture fixing plate (8) and a cover plate (9); The clamp fixing plate (8) is in the shape of an "I" and consists of a clamping plate and two clamping top plates (11). The clamping plate has a through hole in the middle, and the two clamping top plates (11) are vertically fixed at the upper and lower ends of the clamping plate, respectively used to connect the flat rail parts (P) of the upper and lower unit tracks. The cover plate (9) has a specimen slot (C) for mounting the specimen (10) on the side facing the clamp fixing plate (8). The specimen (10) is clamped between the clamping plate and the cover plate (9). The edges of the clamp fixing plate (8) and the cover plate (9) are provided with corresponding screw holes to cooperate with bolts to lock the clamp fixing plate (8) and the cover plate (9). The middle part of the specimen slot (C) has a through hole of the same shape at the position corresponding to the through hole of the clamping plate. The two through holes are used to expose the test part of the specimen (10).

6. The ring-shaped rotatable high-temperature impact test simulation device according to claim 5, characterized in that: The size of the specimen slot (C) is larger than that of the specimen (10). The specimen slot (C) is covered with an asbestos mesh at the part that contacts the specimen (10), and the gap between the specimen (10) and the cover plate (9) is filled by the asbestos mesh.

7. The ring-shaped rotatable high-temperature impact test simulation device according to claim 1, characterized in that: The high-temperature furnace body includes a high-temperature furnace wall (6) and a protective wall (15) disposed inside the high-temperature furnace wall (6). The high-temperature furnace wall (6) has a high-temperature furnace inlet (G1) on the side away from the annular slide rail (1), and the protective wall (15) has a protective wall inlet (G2) at the corresponding position on the same side. The high-temperature furnace inlet (G1) and the protective wall inlet (G2) are the same size and are used as openings for the marbles to be driven into the impact test piece (10). The high-temperature furnace wall (6) has high-temperature furnace side openings (F1) on the left and right sides, and the protective wall (15) has protective wall side openings (F2) on the left and right sides. The high-temperature furnace side openings (F1) and the protective wall side openings (F2) are the same size and are in corresponding positions and are used as the entrance and exit for the annular slide rail (1) to pass through the high-temperature furnace.

8. The ring-shaped rotatable high-temperature impact test simulation device according to claim 7, characterized in that: On the outer surface of the left and right sides of the high-temperature furnace wall (6), there is a furnace wall slide rail (17). The furnace wall slide rail (17) is located next to the high-temperature furnace side opening (F1) on its side wall. The furnace wall slide rail (17) is equipped with a heat insulation plate (20). The heat insulation plate (20) is slidably connected to the furnace wall slide rail (17) and is used to seal the high-temperature furnace side opening (F1) located between the two unit tracks.

9. A ring-shaped rotatable high-temperature impact test simulation device according to claim 7 or 8, characterized in that: The high-temperature furnace also includes multiple protective wall side sealing plates (5). The protective wall side sealing plates (5) are installed in pairs on the ring slide rail (1) and located on the left and right sides of each high-temperature fixture. The upper and lower ends of the protective wall side sealing plates (5) are fixedly connected to the flat rail part (P) of the upper and lower unit rails. When the specimen (10) is rotated into the protective wall (15) of the high-temperature furnace and stops at the preset impact position, the protective wall side sealing plates (5) on the left and right sides of the specimen (10) are on the same plane as the left and right sides of the protective wall (15) respectively, and are used to block the protective wall side opening (F2) located between the two unit rails.

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