Heat resistance test equipment for carbon fiber material

Abstract

The utility model is applicable to the technical field of carbon fiber testing, and provides carbon fiber material heat resistance testing equipment, which comprises a testing box body, two sides of the testing box body are fixedly connected with feed ports, one side in the testing box body is fixedly connected with a high-temperature testing frame, the feed ports are communicated with the interior of the high-temperature testing frame, and the high-temperature testing frame is fixedly connected with a high-temperature heating device. An upper row of heating plates and a lower row of heating plates are fixedly connected to the middle of the interior of the high-temperature testing frame, a supporting rotating rod is arranged between every two adjacent heating plates, and the tops of the supporting rotating rods are higher than the tops of the heating plates. The carbon fiber plate is heated by the heating plate, and when the carbon fiber plate is inserted, the supporting rotating rod assists in supporting and conveying the carbon fiber plate.

Description

Technical Field

[0001] This utility model belongs to the field of carbon fiber testing technology, and in particular relates to a heat resistance testing device for carbon fiber materials. Background Technology

[0002] Carbon fiber refers to high-strength, high-modulus fibers with a carbon content of over 90%. It has the highest heat resistance among all chemical fibers and is made from acrylic and viscose fibers through high-temperature oxidation and carbonization. It is an excellent material for manufacturing high-tech equipment such as aerospace equipment.

[0003] Chinese patent CN216899947U discloses a testing fixture for carbon fiber used in the production of carbon fiber automotive interior trim. The fixture includes a workbench, a positioning frame, and a detector. A control console is mounted on the outer wall of the workbench, and a work box is mounted on the top of the workbench. Two sets of reciprocating lead screws are mounted on the inner wall of the work box, and support blocks are mounted on the outer walls of the reciprocating lead screws. A positioning frame is mounted on the outer wall of the support blocks, and multiple sets of first-order telescopic rods are mounted on the inner wall of the positioning frame. A limit block is mounted on the top of each first-order telescopic rod, and a limit plate is mounted on the inner wall of the positioning frame, with the limit plate located below the first-order telescopic rod. The inner wall of the worktable is equipped with a load-bearing rod, which is located on one side of the reciprocating lead screw. A positioning block is installed on the top of the support block. A tensioner is installed on the inner wall of the workbox, located below the load-bearing rod. A second telescopic rod is installed on the inner wall of the workbox, located above the reciprocating lead screw. Preferably, a detector is installed on the inner wall of the workbox, a base plate is installed on the inner wall of the detector, a third telescopic rod is installed on the inner wall of the detector, located on one side of the base plate, a gravity sensor is installed on the inner wall of the third telescopic rod, a puller is installed at the bottom of the gravity sensor, two sets of fourth telescopic rods are installed on the inner wall of the base plate, a connecting block is installed at the top of the fourth telescopic rod, and a positioning block is installed at the bottom of the connecting block. Limiting strip. Preferably, an observation window is installed on the front of the work box. Preferably, a display screen is installed on the top of the control console. This utility model, by installing a positioning frame and a tensioner, ensures uniform stress on the carbon fiber interior trim when testing its strength. When testing the tensile strength of the carbon fiber interior trim, one end of the carbon fiber trim is placed on top of the limiting plate. The top end of the first telescopic rod extends and pushes the limiting block to move. After the limiting block moves to the bottom of the limiting plate, it fixes the carbon fiber trim. After one end of the carbon fiber trim is fixed, the output end of the drive motor rotates, causing the reciprocating screw to rotate. When the reciprocating screw rotates, the support block moves horizontally. The movement of the support block drives the positioning frame to move, and the movement of the positioning frame pulls the carbon fiber... The interior trim moves, and after the second positioning block moves to the bottom of the second telescopic rod, the top of the second telescopic rod extends, causing the second positioning block to move. After the second positioning block moves into the interior of the first positioning block, the second telescopic rod has a limiting effect on the support block, achieving the purpose of fixing the positioning frame. After the positioning frame is positioned, the other end of the carbon fiber interior trim is placed inside the positioning plate and fixed. The output end of the motor rotates, driving the rotating shaft to rotate. The rotating shaft rotates, driving the positioning plate to move. When the positioning plate moves, it pulls the carbon fiber interior trim to move, achieving the purpose of testing the tensile strength of the carbon fiber interior trim. After the carbon fiber interior trim is positioned by the positioning frame and the tensioner, the carbon fiber interior trim is subjected to uniform force during the test, achieving the purpose of more accurate measurement.

[0004] However, existing technology can only test its stress, but components such as the engine inside the vehicle are in a high-temperature state during use, and there is a lack of testing of carbon fiber materials under high-temperature conditions. Therefore, it is necessary to design a heat resistance testing device for carbon fiber materials. Utility Model Content

[0005] This invention provides a heat resistance testing device for carbon fiber materials, aiming to solve the problem that current testing methods can only test the stress on carbon fiber materials, but components such as vehicle engines are subject to high temperatures during use, and therefore lack testing capabilities for carbon fiber materials under high-temperature conditions.

[0006] This utility model is implemented as follows: a heat resistance testing device for carbon fiber materials includes a test chamber. Both sides of the test chamber are fixedly connected to inlets. A high-temperature test frame is fixedly connected to one side of the interior of the test chamber. The inlets communicate with the interior of the high-temperature test frame. Two rows of heating plates are fixedly connected to the middle of the interior of the high-temperature test frame. A supporting rotating rod is provided between two adjacent heating plates, with the top of the supporting rotating rod higher than the top of the heating plate. A carbon fiber plate is provided between the upper and lower heating plates, with the heating plates away from the carbon fiber plate. The bottom of the carbon fiber plate is in contact with the supporting rotating rod. Hydraulic rods are fixedly connected to both the upper and lower ends of one side of the test chamber. The extended ends of the hydraulic rods face the high-temperature test frame. A heat-insulating connecting rod is fixedly connected to the extended end of the hydraulic rod. A clamping plate is fixedly connected to the other end of the heat-insulating connecting rod. An anti-slip pressing pad is fixedly connected to the other end of the clamping plate, adapting to contact with the carbon fiber plate. The heat-insulating connecting rods on the upper and lower sides... The high-temperature test frame is permeated by a clamping plate and an anti-slip pressing pad located inside the frame. Fixed plates are installed on both sides of the test chamber, and an extension mechanism is provided between the fixed plates and the test chamber. A hydraulic rod is fixedly connected to the other side of the test chamber, with its extension end facing the high-temperature test frame. A tension clamping mechanism is fixedly connected to the extension end of the hydraulic rod. A heating plate is installed to heat the carbon fiber plate after it is inserted into the test chamber and the high-temperature test frame. During insertion, a support rod assists in supporting and conveying the carbon fiber plate. After complete insertion and the other end of the carbon fiber plate passing through the high-temperature test frame, the hydraulic rod is activated to extend the heat-insulating connecting rod and clamping plate, causing clamping plate and anti-slip pressing pad to clamp one side of the carbon fiber plate from both the top and bottom. Then, the hydraulic rod is activated and the tension clamping mechanism is activated. After the tension clamping mechanism clamps the other end of the carbon fiber plate, the hydraulic rod retracts, allowing the tensile strength of the carbon fiber plate to be tested at high temperatures.

[0007] Preferably, the extension mechanism includes a pneumatic telescopic rod, a temperature sensor, and a temperature display. Pneumatic telescopic rods are fixedly connected to both sides of the test chamber. The output end of the pneumatic telescopic rod is fixedly connected to a fixed plate. A temperature sensor is fixedly connected to the upper side of one side of the test chamber. A temperature display is fixedly connected to the outer side of the fixed plate. The temperature sensor and temperature display are electrically connected. The fixed plate protects the exterior of the test chamber from accidental contact. The temperature is detected and displayed by the temperature sensor and temperature display.

[0008] Preferably, the temperature sensor and temperature display are both located in the middle of one side of the test chamber, and the pneumatic telescopic rods are distributed at the four corners on both sides of the test chamber.

[0009] Preferably, a heat-insulated observation window is provided inside one side panel of the test chamber, and the heat-insulated observation window is located in the middle of one side panel of the test chamber.

[0010] Preferably, an observation port is provided inside the fixed plate on one side, and the observation port is arranged opposite to the heat-insulated observation window. The heat-insulated observation window is located on one side of the high-temperature test frame. The heat-insulated observation window allows for convenient observation of the interior of the high-temperature test frame, making it easy to understand the test status in a timely manner.

[0011] Preferably, one end of the heating plate and the supporting rotating rod is fixed to the back plate inside the high-temperature test frame, and the other end of the supporting rotating rod is away from the heat-insulated observation window. One end of the heating plate is fixed to the back plate inside the high-temperature test frame, and the heating plate is away from the heat-insulated observation window.

[0012] Preferably, multiple heating plates are provided, and the multiple heating plates are equidistantly distributed in the middle position inside the high-temperature test frame. The heating plates and the supporting rotating rod are spaced apart. The spaced heating plates can achieve uniform heating on both sides of the carbon fiber plate, avoiding test deviations caused by temperature differences.

[0013] Preferably, the stretching clamping mechanism includes a U-shaped clamping plate, a third hydraulic rod, a second clamping plate, and a slot. The U-shaped clamping plate is fixed to the extension end of the second hydraulic rod. The upper and lower sides of the U-shaped clamping plate are both fixedly connected to the third hydraulic rod. The extension ends of the third hydraulic rods face the inner opening of the U-shaped clamping plate. The extension ends of the third hydraulic rods are fixedly connected to the second clamping plate. The carbon fiber plate is adapted to be inserted between the upper and lower second clamping plates. By activating the third hydraulic rod, one end of the carbon fiber plate can be stably clamped, and stretching can be achieved with the cooperation of the first hydraulic rod, the heat insulation connecting rod, and the first clamping plate on the other side.

[0014] Preferably, the side plate of the high-temperature test frame away from the feed inlet has a slot, and the carbon fiber plate is adapted to pass through the slot. The slot and the center position inside the U-shaped clamping plate are located on the same horizontal plane. By continuously pushing the carbon fiber plate into the test box and the interior of the high-temperature test frame, the carbon fiber plate can be smoothly inserted into the interior of the U-shaped clamping plate for clamping.

[0015] Preferably, the second hydraulic rod extends laterally, and there are multiple third hydraulic rods, which are equidistantly distributed at the four corners of the upper and lower sides of the inner opening of the U-shaped clamping plate.

[0016] Compared with related technologies, the carbon fiber material heat resistance testing equipment provided by this utility model has the following advantages:

[0017] Beneficial effects:

[0018] 1. The heating plate, once inserted into the test chamber and high-temperature test frame, heats the carbon fiber plate. During insertion, the support rod assists in conveying the carbon fiber plate. Once fully inserted and with the other end of the carbon fiber plate passing through the high-temperature test frame, hydraulic rod one extends the heat-insulating connecting rod and clamping plate one, allowing clamping plate one and anti-slip pressing pads to clamp one side of the carbon fiber plate from both above and below. Then, hydraulic rod two and the tension clamping mechanism are activated. After the tension clamping mechanism clamps the other end of the carbon fiber plate, hydraulic rod two retracts, allowing the tensile strength of the carbon fiber plate to be tested at high temperatures.

[0019] 2. The fixed plate can protect the exterior of the test chamber to prevent accidental contact by personnel. The temperature is detected and displayed by temperature sensors and temperature display. The heat-insulated observation window allows for easy observation of the interior of the high-temperature test frame, making it convenient to understand the test status in a timely manner.

[0020] 3. The spaced heating plates can evenly heat both sides of the carbon fiber plate, avoiding test deviations caused by temperature differences. By activating the hydraulic rod three, one end of the carbon fiber plate can be stably clamped. With the cooperation of the hydraulic rod one, the heat insulation connecting rod and the clamping plate one on the other side, the carbon fiber plate can be stretched. By continuously pushing the carbon fiber plate into the test chamber and the high temperature test frame, the carbon fiber plate can be smoothly inserted into the U-shaped clamping plate for clamping. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention from one side view;

[0022] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another side view;

[0023] Figure 3 This is a three-dimensional schematic diagram of the present invention viewed from below;

[0024] Figure 4 This is a front view of the internal structure of this utility model;

[0025] Figure 5 This utility model Figure 4 A magnified structural diagram of point A in the middle.

[0026] In the diagram: 1. Test chamber; 2. Pneumatic telescopic rod; 3. Fixing plate; 4. Observation port; 5. Temperature sensor; 6. Temperature display; 7. Heat-insulated observation window; 8. Feed inlet; 9. High-temperature test frame; 10. Hydraulic rod one; 11. Heat-insulated connecting rod; 12. Clamping plate one; 13. Anti-slip pressing pad; 14. Carbon fiber plate; 15. Heating plate; 16. Support rotating rod; 17. Hydraulic rod two; 18. U-shaped clamping plate; 19. Hydraulic rod three; 20. Clamping plate two; 21. Slot. Detailed Implementation

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0028] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0029] Example 1

[0030] A preferred embodiment of the carbon fiber material heat resistance testing equipment provided by this utility model is, for example... Figures 1 to 5As shown: A heat resistance testing device for carbon fiber materials includes a test chamber 1. Feed inlets 8 are fixedly connected to both sides of the test chamber 1. A high-temperature test frame 9 is fixedly connected to one side inside the test chamber 1. The feed inlets 8 communicate with the interior of the high-temperature test frame 9. Two rows of heating plates 15 are fixedly connected to the middle of the interior of the high-temperature test frame 9. A supporting rotating rod 16 is provided between two adjacent heating plates 15, with the top of the supporting rotating rod 16 higher than the top of the heating plate 15. A carbon fiber plate 14 is provided between the upper and lower heating plates 15, with the heating plates 15 away from the carbon fiber plate 14. The bottom of the carbon fiber plate 14 is in contact with the supporting rotating rod 16. Hydraulic rods 10 are fixedly connected to both the upper and lower ends of one side of the test chamber 1. The extension ends of the hydraulic rods 10... All are facing the high temperature test frame 9. The extension end of the hydraulic rod 10 is fixedly connected to the heat insulation connecting rod 11. The other end of the heat insulation connecting rod 11 is fixedly connected to the clamping plate 12. The other end of the clamping plate 12 is fixedly connected to the anti-slip pressing pad 13. The anti-slip pressing pad 13 is adapted to fit with the carbon fiber plate 14. The heat insulation connecting rods 11 on the upper and lower sides pass through the high temperature test frame 9. The clamping plate 12 and the anti-slip pressing pad 13 are located inside the high temperature test frame 9. Fixing plates 3 are set on both sides of the test chamber 1. An extension mechanism is set between the fixing plate 3 and the test chamber 1. The other side inside the test chamber 1 is fixedly connected to the hydraulic rod 2 17. The extension end of the hydraulic rod 2 17 faces the high temperature test frame 9. The extension end of the hydraulic rod 2 17 is fixedly connected to the tension clamping mechanism.

[0031] It should be noted that some existing heat resistance testing equipment for carbon fiber materials still has certain shortcomings in actual use. They can only test the stress on the carbon fiber, but components such as the engine in a vehicle are in a high-temperature state during use, and they lack the ability to test carbon fiber materials under high-temperature conditions.

[0032] In this embodiment, the heating plate 15 heats the carbon fiber plate 14 after it is inserted into the test chamber 1 and the high-temperature test frame 9. When the carbon fiber plate 14 is inserted, the support rod 16 assists in supporting and conveying the carbon fiber plate 14. After it is fully inserted and the other end of the carbon fiber plate 14 passes through the high-temperature test frame 9, the hydraulic rod 10 is activated to extend the heat insulation connecting rod 11 and the clamping plate 12. The clamping plate 12 and the anti-slip pressing pad 13 clamp one side of the carbon fiber plate 14 from the top and bottom. Then, the hydraulic rod 2 17 and the tension clamping mechanism are activated. After the tension clamping mechanism clamps the other end of the carbon fiber plate 14, the hydraulic rod 2 17 is activated to retract, so that the tensile strength of the carbon fiber plate 14 can be tested under high temperature conditions.

[0033] In a further preferred embodiment of this utility model, the extension mechanism includes a pneumatic telescopic rod 2, a temperature sensor 5, and a temperature display 6. The pneumatic telescopic rod 2 is fixedly connected to both sides of the test chamber 1. The output end of the pneumatic telescopic rod 2 is fixedly connected to a fixing plate 3. The temperature sensor 5 is fixedly connected to the upper side of one side of the test chamber 1. The temperature display 6 is fixedly connected to the outer side of the fixing plate 3. The temperature sensor 5 and the temperature display 6 are electrically connected.

[0034] In this embodiment, the fixed plate 3 can protect the exterior of the test chamber 1 to prevent accidental contact by personnel, and the temperature is detected and displayed by the temperature sensor 5 and the temperature display 6.

[0035] In a further preferred embodiment of this utility model, the temperature sensor 5 and the temperature display 6 are both located in the middle of one side of the test chamber 1, and the pneumatic telescopic rods 2 are distributed at the four corners on both sides of the test chamber 1.

[0036] In a further preferred embodiment of the present invention, a heat-insulated observation window 7 is provided inside one side panel of the test chamber 1, and the heat-insulated observation window 7 is located in the middle of one side panel of the test chamber 1.

[0037] Example 2

[0038] Based on Example 1, a preferred embodiment of the carbon fiber material heat resistance testing equipment provided by this utility model is as follows: Figures 1 to 5 As shown: An observation port 4 is provided inside the fixed plate 3 on one side. The observation port 4 is set opposite to the heat insulation observation window 7, which is located on one side of the high temperature test frame 9.

[0039] In this embodiment, the heat-insulated observation window 7 allows for convenient observation of the interior of the high-temperature test frame 9, facilitating timely understanding of the test status.

[0040] In a further preferred embodiment of the present invention, one end of the heating plate 15 and the supporting rotating rod 16 is fixed to the back plate position inside the high temperature test frame 9, and the other end of the supporting rotating rod 16 is away from the heat insulation observation window 7. One end of the heating plate 15 is fixed to the back plate position inside the high temperature test frame 9, and the heating plate 15 is away from the heat insulation observation window 7.

[0041] In a further preferred embodiment of this utility model, a plurality of heating plates 15 are provided, and the plurality of heating plates 15 are equidistantly distributed in the middle position inside the high temperature test frame 9, and the heating plates 15 and the supporting rotating rods 16 are spaced apart.

[0042] In this embodiment, the heating plates 15 arranged at intervals can achieve uniform heating of the upper and lower sides of the carbon fiber plate 14, avoiding test deviations caused by temperature differences.

[0043] In a further preferred embodiment of this utility model, the tension clamping mechanism includes a U-shaped clamping plate 18, a hydraulic rod 19, a clamping plate 20, and a slot 21. The U-shaped clamping plate 18 is fixed to the extension end of the hydraulic rod 17. The upper and lower sides of the U-shaped clamping plate 18 are fixedly connected to the hydraulic rod 19. The extension ends of the hydraulic rod 19 face the inner opening of the U-shaped clamping plate 18. The extension ends of the hydraulic rod 19 are fixedly connected to the clamping plate 20. The carbon fiber plate 14 is adapted to be inserted between the upper and lower clamping plates 20.

[0044] In this embodiment, by activating the hydraulic rod 19, one end of the carbon fiber plate 14 can be stably clamped, and stretched under the cooperation of the hydraulic rod 10, the heat insulation connecting rod 11, and the clamping plate 12 on the other side.

[0045] In a further preferred embodiment of this utility model, a slot 21 is provided on the side plate of the high temperature test frame 9 away from the feed port 8, and the carbon fiber plate 14 is adapted to pass through the slot 21. The center position of the slot 21 and the U-shaped clamping plate 18 are located on the same horizontal plane.

[0046] In this embodiment, by continuously pushing the carbon fiber plate 14 into the interior of the test chamber 1 and the high temperature test frame 9, the carbon fiber plate 14 can be smoothly inserted into the interior of the U-shaped clamping plate 18 for clamping.

[0047] In a further preferred embodiment of this utility model, the second hydraulic rod 17 extends laterally, and there are multiple third hydraulic rods 19, which are equidistantly distributed at the four corners of the upper and lower sides of the inner opening of the U-shaped clamping plate 18.

[0048] In summary, after the carbon fiber plate 14 is inserted into the test chamber 1 and the high-temperature test frame 9, the heating plate 15 heats the carbon fiber plate 14. When inserting the carbon fiber plate 14, the support rotating rod 16 assists in supporting and transmitting the carbon fiber plate 14. After it is fully inserted and the other end of the carbon fiber plate 14 passes through the high-temperature test frame 9, the hydraulic rod 10 is activated to extend the heat insulation connecting rod 11 and the clamping plate 12, so that the clamping plate 12 and the anti-slip pressing pad 13 clamp one side of the carbon fiber plate 14 from the top and bottom. Then, the hydraulic rod 3 19 on the other side is activated to stably clamp the other end of the carbon fiber plate 14. At this time, the hydraulic rod 2 17 is activated to retract, so that the tensile strength of the carbon fiber plate 14 can be tested under high temperature. During the test, the observation window 7 can easily observe the inside of the high-temperature test frame 9, so as to understand the test status in a timely manner. The fixed plate 3 protects the outside of the test chamber 1 to prevent accidental contact by personnel. The temperature sensor 5 and the temperature display 6 detect and display the temperature.

[0049] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0050] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0051] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A carbon fiber material heat resistance testing apparatus characterized by comprising: The test chamber (1) includes a test chamber (1) with inlets (8) fixedly connected to both sides. A high-temperature test frame (9) is fixedly connected to one side inside the test chamber (1). The inlets (8) are connected to the interior of the high-temperature test frame (9). Two rows of heating plates (15) are fixedly connected to the middle of the interior of the high-temperature test frame (9). A support rotating rod (16) is provided between two adjacent heating plates (15). The top of the support rotating rod (16) is higher than the top of the heating plate (15). A carbon fiber plate (14) is provided between the heating plates (15) on the upper and lower sides. The heating plates (15) are away from the carbon fiber plate (14). The bottom of the carbon fiber plate (14) is in contact with the support rotating rod (16). A hydraulic rod (10) is fixedly connected to both the upper and lower ends of one side inside the test chamber (1). The extension ends of the hydraulic rod (10) are all facing the high-temperature test frame (9). The extension end of the hydraulic rod (10) is fixedly connected to a heat-insulating connecting rod (11), and the other end of the heat-insulating connecting rod (11) is fixedly connected to a clamping plate (12). The other end of the clamping plate (12) is fixedly connected to an anti-slip pressing pad (13). The anti-slip pressing pad (13) is adapted to fit against the carbon fiber plate (14). The heat-insulating connecting rods (11) on the upper and lower sides pass through the high-temperature test frame (9). The clamping plate (12) and the anti-slip pressing pad (13) are located inside the high-temperature test frame (9). Fixing plates (3) are provided on both sides of the test box (1). An extension mechanism is provided between the fixing plate (3) and the test box (1). The other side inside the test box (1) is fixedly connected to a hydraulic rod (17). The extension end of the hydraulic rod (17) faces the high-temperature test frame (9). The extension end of the hydraulic rod (17) is fixedly connected to a tension clamping mechanism.

2. The heat resistance testing equipment for carbon fiber materials as described in claim 1, characterized in that, The extension mechanism includes a pneumatic telescopic rod (2), a temperature sensor (5), and a temperature display (6). The pneumatic telescopic rod (2) is fixedly connected to both sides of the test chamber (1). The output end of the pneumatic telescopic rod (2) is fixedly connected to a fixing plate (3). The temperature sensor (5) is fixedly connected to the top of one side of the test chamber (1). The temperature display (6) is fixedly connected to the outside of the fixing plate (3). The temperature sensor (5) and the temperature display (6) are electrically connected.

3. The carbon fiber material heat resistance test apparatus according to claim 2, wherein The temperature sensor (5) and temperature display (6) are both located in the middle of one side of the test chamber (1), and the pneumatic telescopic rod (2) is distributed at the four corners on both sides of the test chamber (1).

4. The carbon fiber material heat resistance test apparatus according to claim 1, wherein A heat-insulated observation window (7) is provided inside one side panel of the test chamber (1), and the heat-insulated observation window (7) is located in the middle of one side panel of the test chamber (1).

5. The carbon fiber material heat resistance test apparatus according to claim 4, wherein An observation port (4) is provided inside the fixed plate (3) on one side. The observation port (4) is arranged opposite to the heat-insulating observation window (7). The heat-insulating observation window (7) is located on one side of the high-temperature test frame (9).

6. The carbon fiber material heat resistance test apparatus according to claim 1, wherein One end of the heating plate (15) and the supporting rotating rod (16) is fixed to the back plate inside the high temperature test frame (9), and the other end of the supporting rotating rod (16) is away from the heat-insulated observation window (7). One end of the heating plate (15) is fixed to the back plate inside the high temperature test frame (9), and the heating plate (15) is away from the heat-insulated observation window (7).

7. The carbon fiber material heat resistance test apparatus according to claim 6, wherein The number of heating plates (15) is set to multiple, and the multiple heating plates (15) are equidistantly distributed in the middle position inside the high temperature test frame (9). The heating plates (15) and the supporting rotating rods (16) are spaced apart.

8. The carbon fiber material heat resistance test apparatus according to claim 1, wherein The tension clamping mechanism includes a U-shaped clamping plate (18), a hydraulic rod three (19), a clamping plate two (20), and a slot (21). The U-shaped clamping plate (18) is fixed to the extension end of the hydraulic rod two (17). The upper and lower sides of the U-shaped clamping plate (18) are fixedly connected to the hydraulic rod three (19). The extension ends of the hydraulic rod three (19) face the inner opening of the U-shaped clamping plate (18). The extension ends of the hydraulic rod three (19) are fixedly connected to the clamping plate two (20). The carbon fiber plate (14) is adapted to be inserted between the upper and lower clamping plates two (20).

9. The carbon fiber material heat resistance test apparatus according to claim 8, wherein The high-temperature test frame (9) has a slot (21) on the side plate away from the feed port (8). The carbon fiber plate (14) is adapted to pass through the slot (21). The slot (21) and the center position inside the U-shaped clamping plate (18) are on the same horizontal plane.

10. The carbon fiber material heat resistance test apparatus according to claim 9, wherein The second hydraulic rod (17) extends laterally, and there are multiple third hydraulic rods (19). The multiple third hydraulic rods (19) are equidistantly distributed at the four corners of the upper and lower sides of the inner opening of the U-shaped clamping plate (18).

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