High-temperature-resistant fatigue test device for parts
By designing a high-temperature fatigue testing device for parts, and adopting a dual-path heating assembly and a position adjustment assembly, the device achieves simulation of the heat source position and adjustment of the relative coordinate position, thus overcoming the shortcomings of existing testing devices and improving the accuracy and practicality of the test data.
Patent Information
- Application Number
- CN202520171304.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Existing high-temperature resistance testing equipment for automotive engine exhaust pipe peripheral parts cannot simulate the location and temperature of the heat source, nor can it realize the relative coordinate position of the parts and the heat source, resulting in test data lacking practical reference value.
A high-temperature fatigue testing device for parts was designed, including a dual-circuit heating assembly, a position adjustment assembly, and a hoisting unit. By simulating the loading state and relative coordinate position of the test piece, combined with a temperature sensor and a blower system, the device achieves precise control and position adjustment of the high-temperature environment.
This improved the accuracy and practicality of the test data, making the test results closer to actual usage conditions and reducing the time and cost of vehicle road testing.
Smart Images
Figure CN223692017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test device technical field especially relates to a part high temperature fatigue test device. BACKGROUND
[0002] The existing automobile engine exhaust pipe peripheral part high temperature test is completed in the temperature and humidity alternating test box, and the following defects exist:
[0003] (1) only through the high and low temperature and humidity change of environment, the heat source position and heat source temperature cannot be simulated;
[0004] (2) the relative coordinate position of part and heat source cannot be realized, and the part loading state and running condition exist actual difference.
[0005] The data obtained by the existing test box test does not have actual reference significance, and the real use environment of part is not simulated.
[0006] Therefore, the person skilled in the art provides a part high temperature fatigue test device to solve the problems in the background art. UTILITY MODEL CONTENT
[0007] In view of the deficiencies of the prior art, the utility model provides a part high temperature fatigue test device, which solves the problems in the background art.
[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0009] A part high temperature fatigue test device, comprising: a test cabinet, the front end of the test cabinet is provided with a side door, and the bottom end of the test cabinet is fixedly installed with a bottom cabinet;Double-path heating assembly, the double-path heating assembly comprises a stainless steel pipe arranged in the test cabinet cavity and an air pipe arranged in the bottom cabinet cavity;Test piece, the test piece is arranged in the test cabinet, and the test piece is located above the stainless steel pipe;Position adjusting assembly, the position adjusting assembly is arranged in the front end of the test cabinet cavity, and is used for suspending and adjusting the angle of the test piece, the position adjusting assembly comprises a top box, a moving unit and a hoisting unit, the top box is hollow, and the moving unit is arranged in the cavity of the top box.
[0010] According to the part high temperature fatigue test device, the cavity of the stainless steel pipe is provided with an electric heating rod, the outer wall surface of the stainless steel pipe is provided with a temperature sensor, one side of the outer wall of the test cabinet is fixedly installed with a control box, the control box is provided with a controller, and the controller and the electric heating rod and the temperature sensor are in an electric signal connection relationship.
[0011] According to the part high temperature fatigue test device, the cavity of the bottom cabinet is provided with a heating device and a blowing system, the blowing system is connected with the air pipe, and the test cabinet is provided with an environmental temperature sensor.
[0012] According to the part high-temperature fatigue test device, the bottom end of the top box is provided with a rectangular limiting groove, the moving unit comprises a first moving block and a second moving block, the first moving block and the second moving block are in a fixed connection relationship, the bottom end of the second moving block is fixedly connected with a sliding block, and the sliding block is movably clamped in the corresponding rectangular limiting groove.
[0013] According to the part high-temperature fatigue test device, the moving unit further comprises a lead screw, a fixed block and a servo motor, the lead screw movably penetrates through the corresponding first moving block, the lead screw and the first moving block are in a threaded connection relationship, the fixed block is fixedly installed in the cavity of the top box, the output shaft of the servo motor is fixedly connected with one end of the lead screw, and the other end of the lead screw, away from the servo motor, is movably installed on one side of the fixed block.
[0014] According to the part high-temperature fatigue test device, the lifting unit comprises a wire tube, a steel wire rope and a winding drum, the wire tube is fixedly penetrated through the second moving block, the wire tube is in an S shape, the steel wire rope movably penetrates through the wire tube, one end of the steel wire rope is fixedly connected with a lifting hook, the other end of the steel wire rope is wound on the outer wall surface of the winding drum, and the axis of the winding drum is fixedly penetrated through a main shaft.
[0015] According to the part high-temperature fatigue test device, the top end of the first moving block is fixedly connected with an assembly plate, the top end of the assembly plate is fixedly installed with a lifting motor, and the output shaft of the lifting motor is fixedly connected with the main shaft.
[0016] The utility model provides a kind of part high-temperature fatigue test device.It has the following beneficial effects:
[0017] (1) by setting double-way heating assembly in the cavity of bottom cabinet, the test piece loading state can be effectively simulated, so that the data obtained by the test is effective and has reference significance, by setting position adjusting assembly in the cavity of test cabinet, the test piece is position adjusted by moving unit cooperating with lifting unit, the relative coordinate position of test piece and heat source is simulated, it is suitable for test piece of different sizes, the practicability of device is improved by reasonable structure design, the device is closer to the real use of parts than ordinary environment box, and the time cost and cycle cost of whole vehicle road test are also avoided.
[0018] (2) by setting electric heating rod in stainless steel pipe, temperature sensor is installed on the outer wall surface of stainless steel pipe, stainless steel pipe simulates exhaust pipe to provide high temperature, temperature sensor measures the temperature value of stainless steel pipe surface, test piece surface and box environment in real time, heating device and air blowing system are set, air blowing system is connected with air pipe, temperature adjustment is carried out on the temperature in test cabinet, the actual working environment of test piece is simulated by double-way heating assembly, and the accuracy of experimental data is improved.
[0019] (3) through the setting of the wire tube fixed through the second moving block, the second moving block drives the wire tube synchronous movement, steel wire rope activity through the wire tube, one end of the steel wire rope is fixedly connected with the hook, the hook is connected with the corresponding test piece, the other end of the steel wire rope is wound on the outer wall of the winding drum, the main shaft fixedly penetrates the winding drum, the top of the first moving block is fixedly connected with the assembly plate, the top of the assembly plate is fixedly installed with the lifting motor, the output shaft of the lifting motor is fixedly connected with the main shaft, the lifting motor drives the main shaft to rotate, completes the take-up and pay-off of the steel wire rope, and then completes the height adjustment of the hook. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a three-dimensional structure schematic view of the part high-temperature fatigue test device of the utility model;
[0021] Figure 2 It is a test cabinet internal structure schematic view of the part high-temperature fatigue test device of the utility model;
[0022] Figure 3 It is a position adjusting assembly plan view of the part high-temperature fatigue test device of the utility model;
[0023] Figure 4 It is a moving unit three-dimensional structure schematic view of the part high-temperature fatigue test device of the utility model;
[0024] Figure 5 It is a lifting unit three-dimensional structure schematic view of the part high-temperature fatigue test device of the utility model.
[0025] LEGEND:
[0026] 10, base cabinet; 11, test cabinet; 12, side door; 13, control box; 14, air pipe; 15, stainless steel pipe; 16, position adjusting assembly; 17, lifting unit; 18, test piece; 19, top box; 20, rectangular limiting groove; 21, moving unit; 22, servo motor; 23, lead screw; 24, fixed block; 25, first moving block; 26, second moving block; 27, wire tube; 28, assembly plate; 29, lifting motor; 30, winding drum; 31, main shaft; 32, sliding block; 33, steel wire rope; 34, hook. DETAILED DESCRIPTION
[0027] As Figures 1-5The device for testing the high-temperature fatigue resistance of a part comprises a test cabinet 11, a side door 12 arranged at the front end of the test cabinet 11, a bottom cabinet 10 fixedly arranged at the bottom end of the test cabinet 11, a double-path heating assembly, a test piece 18 arranged in the test cabinet 11 and located above a stainless steel pipe 15, and a position adjusting assembly 16 arranged at the front end in the cavity of the test cabinet 11 and used for suspending and adjusting the angle of the test piece 18.
[0028] Specifically, the double-path heating assembly arranged in the cavity of the bottom cabinet 10 can effectively simulate the loading state of the test piece 18, so that the obtained test data is effective and has reference significance. The position adjusting assembly 16 arranged in the cavity of the test cabinet 11, the moving unit 21 and the hoisting unit 17 can adjust the position of the test piece 18, simulate the relative coordinate position of the test piece 18 and the heat source, and be suitable for test pieces 18 of different sizes. The reasonable structure design improves the practicability of the device. The device is closer to the actual use of the part than the ordinary environmental box, and the time cost and cycle cost of the whole vehicle road test are avoided.
[0029] The cavity of the stainless steel pipe 15 is provided with an electric heating rod, the outer wall surface of the stainless steel pipe 15 is provided with a temperature sensor, one side of the test cabinet 11 is fixedly provided with a control box 13, the control box 13 is provided with a controller, and the controller and the electric heating rod and the temperature sensor are in an electrical signal connection relationship. The cavity of the bottom cabinet 10 is provided with a heating device and a blowing system, the blowing system is connected with the air pipe 14, and the test cabinet 11 is provided with an environmental temperature sensor.
[0030] Specifically, the electric heating rod arranged in the stainless steel pipe 15, the temperature sensor arranged on the outer wall surface of the stainless steel pipe 15, the stainless steel pipe 15 simulating the exhaust pipe to provide high temperature, the temperature sensor for measuring the temperature values of the surface of the stainless steel pipe 15, the surface of the test piece 18 and the box environment in real time, the heating device and the blowing system, the blowing system connected with the air pipe 14 for temperature adjustment of the temperature in the test cabinet 11, and the double-path heating assembly for simulating the actual working environment of the test piece 18 can improve the accuracy of the experimental data.
[0031] The bottom end of the top box 19 is provided with a rectangular limiting groove 20, the moving unit 21 comprises a first moving block 25 and a second moving block 26, the first moving block 25 and the second moving block 26 are in a fixed connection relationship, the bottom end of the second moving block 26 is fixedly connected with a sliding block 32, and the sliding block 32 is movably clamped in the corresponding rectangular limiting groove 20.
[0032] Specifically, the rectangular limiting grooves 20 are arranged at the bottom end of the top box 19, the sliding blocks 32 are movably clamped in the corresponding rectangular limiting grooves 20, the sliding blocks 32 are fixedly installed at the bottom end of the corresponding second moving blocks 26, the first moving blocks 25 are fixedly connected with the second moving blocks 26, so that the first moving blocks 25 drive the second moving blocks 26 to move along the rectangular limiting grooves 20, and the sliding blocks 32 play a limiting and guiding role.
[0033] The moving unit 21 further comprises a lead screw 23, a fixed block 24 and a servo motor 22, the lead screw 23 movably penetrates through the corresponding first moving block 25, the lead screw 23 is in a threaded connection relationship with the first moving block 25, the fixed block 24 is fixedly installed in the cavity of the top box 19, the output shaft of the servo motor 22 is fixedly connected with one end of the lead screw 23, and the other end of the lead screw 23 away from the servo motor 22 is movably installed on one side of the fixed block 24.
[0034] Specifically, in the working process, the servo motor 22 drives the lead screw 23 to rotate, the lead screw 23 movably penetrates through the first moving block 25, the first moving block 25 drives the second moving block 26 to move synchronously, and the fixed block 24 is arranged to facilitate the limiting and fixing of the lead screw 23.
[0035] The lifting unit 17 comprises a wire tube 27, a steel wire rope 33 and a winding drum 30, the wire tube 27 is fixedly penetrated through the second moving block 26, the wire tube 27 is in an “S” shape, the steel wire rope 33 movably penetrates through the wire tube 27, one end of the steel wire rope 33 is fixedly connected with a lifting hook 34, the other end of the steel wire rope 33 is wound on the outer wall surface of the winding drum 30, and the main shaft 31 is fixedly penetrated through the center of the winding drum 30. The top end of the first moving block 25 is fixedly connected with an assembly plate 28, the top end of the assembly plate 28 is fixedly installed with a lifting motor 29, and the output shaft of the lifting motor 29 is fixedly connected with the main shaft 31.
[0036] Specifically, the wire tube 27 is arranged to be fixedly penetrated through the second moving block 26, the second moving block 26 drives the wire tube 27 to move synchronously, the steel wire rope 33 movably penetrates through the wire tube 27, one end of the steel wire rope 33 is fixedly connected with the lifting hook 34, the lifting hook 34 is connected with the corresponding test piece 18, the other end of the steel wire rope 33 is wound on the outer wall surface of the winding drum 30, the main shaft 31 is fixedly penetrated through the winding drum 30, the top end of the first moving block 25 is fixedly connected with the assembly plate 28, the top end of the assembly plate 28 is fixedly installed with the lifting motor 29, the output shaft of the lifting motor 29 is fixedly connected with the main shaft 31, the lifting motor 29 drives the main shaft 31 to rotate, the winding and unwinding of the steel wire rope 33 are completed, and then the height adjustment of the lifting hook 34 is completed.
[0037] The working principle of the part high-temperature fatigue test device is as follows: a double-path heating assembly is arranged in the cavity of the bottom cabinet 10, so that the loading state of the test piece 18 can be effectively simulated, the data obtained by the test is effective and has reference significance, a position adjusting assembly 16 is arranged in the cavity of the test cabinet 11, the test piece 18 is adjusted in position by the moving unit 21 and the hoisting unit 17, the wire tube 27 is fixedly penetrated through the second moving block 26, the second moving block 26 drives the wire tube 27 to move synchronously, the steel wire rope 33 is movably penetrated through the wire tube 27, one end of the steel wire rope 33 is fixedly connected with the lifting hook 34, the lifting hook 34 is connected with the corresponding test piece 18, the other end of the steel wire rope 33 is wound on the outer wall surface of the winding drum 30, the main shaft 31 is fixedly penetrated through the winding drum 30, the top end of the first moving block 25 is fixedly connected with the assembly plate 28, the top end of the assembly plate 28 is fixedly installed with the hoisting motor 29, the output shaft of the hoisting motor 29 is fixedly connected with the main shaft 31, the hoisting motor 29 drives the main shaft 31 to rotate, the winding and unwinding of the steel wire rope 33 are completed, the height of the lifting hook 34 is adjusted, and the relative coordinate position of the test piece 18 and the heat source is simulated.
[0038] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.
[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.
Claims
1. A device for testing the high temperature fatigue resistance of a part, characterized in that, The utility model relates to a test cabinet, which comprises the following parts: a test cabinet (11) provided with a side door (12) at the front end, and a bottom cabinet (10) fixedly installed at the bottom end of the test cabinet (11); a double-path heating assembly comprising a stainless steel pipe (15) arranged in the cavity of the test cabinet (11) and an air pipe (14) arranged in the cavity of the bottom cabinet (10); a test piece (18) arranged in the test cabinet (11) and located above the stainless steel pipe (15); a position adjusting assembly (16) arranged at the front end in the cavity of the test cabinet (11) and used for suspending and adjusting the angle of the test piece (18), the position adjusting assembly (16) comprising a top box (19), a moving unit (21) and a hoisting unit (17), wherein the top box (19) is hollow, and the moving unit (21) is arranged in the cavity of the top box (19).
2. The apparatus of claim 1, wherein: The cavity of the stainless steel pipe (15) is provided with an electric heating rod, the outer wall of the stainless steel pipe (15) is provided with a temperature sensor, one side of the test cabinet (11) is fixedly provided with a control box (13), the control box (13) is provided with a controller, and the controller is in an electrical signal connection relationship with the electric heating rod and the temperature sensor.
3. The apparatus of claim 1, wherein: The cavity of the bottom cabinet (10) is provided with a heating device and a blowing system, the blowing system is connected with the air pipe (14), and the test cabinet (11) is provided with an environmental temperature sensor.
4. The apparatus of claim 1, wherein: The bottom end of the top box (19) is provided with a rectangular limiting groove (20), the moving unit (21) comprises a first moving block (25) and a second moving block (26), the first moving block (25) and the second moving block (26) are in a fixed connection relationship, the bottom end of the second moving block (26) is fixedly connected with a sliding block (32), and the sliding block (32) is movably clamped in the corresponding rectangular limiting groove (20).
5. The apparatus of claim 1, wherein: The moving unit (21) further comprises a lead screw (23), a fixed block (24) and a servo motor (22), the lead screw (23) movably penetrates through the corresponding first moving block (25), the lead screw (23) and the first moving block (25) are in a threaded connection relationship, the fixed block (24) is fixedly installed in the cavity of the top box (19), the output shaft of the servo motor (22) is fixedly connected with one end of the lead screw (23), and the other end of the lead screw (23) away from the servo motor (22) is movably installed on one side of the fixed block (24).
6. The apparatus of claim 1, wherein: The hoisting unit (17) comprises a wire tube (27), a steel wire rope (33) and a winding drum (30), the wire tube (27) penetrates through the second moving block (26), the wire tube (27) is in an "S" shape, the steel wire rope (33) movably penetrates through the wire tube (27), one end of the steel wire rope (33) is fixedly connected with a lifting hook (34), the other end of the steel wire rope (33) is wound on the outer wall of the winding drum (30), and the axis of the winding drum (30) is fixedly penetrated through a main shaft (31).
7. The apparatus of claim 4 wherein: The top end of the first moving block (25) is fixedly connected with an assembly plate (28), the top end of the assembly plate (28) is fixedly installed with a hoisting motor (29), and the output shaft of the hoisting motor (29) is fixedly connected with the main shaft (31).