Device for testing high-temperature sealing performance of brake disc sealing ring

Abstract

The utility model relates to the technical field of sealing ring test, and discloses a brake disc sealing ring high temperature sealing performance test device, which comprises a test bed and a control box, the upper end of the test bed is fixedly provided with a ventilation plate, the two sides of the upper end of the test bed close to the rear end are fixedly provided with support columns, the upper ends of the two support columns are fixedly provided with a support plate, and the support plate is fixedly provided with a sealing ring. A hydraulic cylinder is fixedly arranged at the upper end of the supporting plate, a sealing shell is fixedly arranged at the position, located at the lower end of the supporting plate, of the lower end of the hydraulic cylinder, an electric heating disc is fixedly arranged in the sealing shell, an upper pressing disc is fixedly arranged at the lower end of the sealing shell, and a lower pressing disc is detachably arranged at the upper end of the ventilation plate. Fixing plates are fixedly arranged on the two sides, close to the upper ends, of the lower pressing disc. According to the utility model, the device can be suitable for testing sealing rings with different sizes, and can automatically exhaust when the device is subjected to air pressure load, so as to ensure the safety of an operator, thereby improving the applicability and safety of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing ring testing, in particular to a high-temperature sealing performance testing device for a brake disc sealing ring. Background Art

[0002] The sealing ring is a type of axial self-tightening structure with a new type of sealing form. It has strong vibration absorption ability and a large deformation range. It has the advantages of good high vibration tracking, high vibration absorption ability, long life and good wear resistance. It can meet the conditions of high temperature, high pressure and strong corrosion. It is especially suitable for working in harsh environments such as high temperature, high pressure, vibration and strong corrosive media in the fields of aviation, aerospace, nuclear power, etc.

[0003] After searching, it was found that the existing brake disc seal high temperature sealing test device, when in use, has different seals installed on brake discs of different sizes, and specific equipment needs to be replaced when testing the seals, which increases the equipment cost. At the same time, the seals are in a sealed state during the test, and the gas inside cannot be discharged at high temperature, resulting in an explosion of the air pressure load during the test, causing harm to the tester.

[0004] Therefore, those skilled in the art provide a brake disc seal ring high temperature sealing test device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a brake disc seal ring high temperature sealing test device, which can be used to test seals of different sizes and can automatically exhaust air when air pressure load occurs in the device to ensure the safety of the operator, thereby improving the applicability and safety of the device.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A brake disc seal ring high temperature sealing test device, comprising a test bench and a control box, wherein a vent plate is fixedly arranged at the upper end of the test bench, support columns are fixedly arranged on both sides of the upper end of the test bench near its rear end, support plates are fixedly arranged on the upper ends of two support columns, a hydraulic cylinder is fixedly arranged on the upper end of the support plate, a sealing shell is fixedly arranged at the lower end of the hydraulic cylinder and located at the lower end of the support plate, an electric heating plate is fixedly arranged inside the sealing shell, an upper pressure plate is fixedly arranged at the lower end of the sealing shell, a lower pressure plate is detachably arranged at the upper end of the vent plate, fixing plates are fixedly arranged on both sides of the lower pressure plate near its upper end, screw holes are opened on the two fixing plates, and a placement ring is fixedly arranged at the middle part of the upper end of the lower pressure plate;

[0008] Through the above technical scheme, a removable lower pressure plate is provided to test sealing rings of different sizes, thereby expanding the scope of use of the device. The lower pressure plate is clamped in the installation groove, and the clamping column is clamped into the inside of the clamping groove to position the lower pressure plate on the ventilation plate. The fixing plate is then fixed to the ventilation plate with fixing bolts, so that the lower pressure plate can be installed and removed, thereby improving the applicability of the device.

[0009] Furthermore, an air hole is provided at the upper end of the lower pressure plate and inside the placement ring, and air pressure tanks are fixedly provided on both sides of the upper end of the ventilation plate near the front end thereof;

[0010] Through the above technical scheme, the sealed gas can be discharged from the air pressure tank in the case of negative pressure overload through the vent plate and the air pressure tank, avoiding safety hazards. The upper pressure plate is overlapped with the lower pressure plate under the influence of the hydraulic cylinder, so that the placement ring is stuck into the interior of the upper pressure plate, so that the gas can only flow through the air holes and communicate with the air pressure tank, thereby improving the safety of the device.

[0011] Furthermore, a display screen is fixedly arranged at the front end of the control box;

[0012] Through the above technical solution, a display screen is fixedly arranged at the front end of the control box, and the test results can be presented for observation by the experimenter.

[0013] Furthermore, a carrying strap is fixedly provided on the upper end of the control box;

[0014] Through the above technical solution, a carrying strap is fixedly provided on the upper end of the control box, so that the control box can be easily carried and moved.

[0015] Furthermore, a plurality of control buttons are fixedly arranged at equal intervals at the front end of the test bench;

[0016] Through the above technical solution, a plurality of control buttons are fixedly arranged at equal intervals at the front end of the test bench, which is convenient for starting and emergency stopping the test.

[0017] Furthermore, a connecting line is provided between the rear end of the lower pressure plate and the front end of the control box;

[0018] Through the above technical solution, the control box and the test bench can be connected together by setting a connecting line between the rear end of the lower pressure plate and the front end of the control box, so that the control box can monitor the safety situation during the test in real time.

[0019] Furthermore, a mounting groove is provided at the upper end of the ventilation plate, and clamping columns are fixedly provided at the upper end of the ventilation plate and at the four corners inside the mounting groove, and clamping grooves are fixedly provided at the four corners of the lower end of the lower pressure plate, and the plurality of clamping grooves are respectively clamped on the corresponding clamping columns;

[0020] Through the above technical solution, the lower pressure plate can be positioned on the ventilation plate by respectively clamping the clamping slots on the corresponding clamping columns, so as to further fix it.

[0021] Furthermore, fixing bolts are threadedly arranged on the upper ends of the two fixing plates and located at the corresponding screw holes, and the two fixing bolts respectively penetrate the corresponding screw holes and are threadedly connected to the ventilation plate;

[0022] Through the above technical solution, the lower pressure plate can be fixed by fixing bolts that pass through the corresponding screw holes and are threadedly connected to the ventilation plate, thereby achieving installation and disassembly of the lower pressure plate.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a brake disc seal ring high-temperature sealing test device, which is equipped with a detachable lower pressure plate to test seal rings of different sizes, thereby expanding the scope of use of the device. The lower pressure plate is clamped in the installation groove, and the clamping column is clamped into the inside of the clamping groove to position the lower pressure plate on the ventilation plate. The fixing plate is then fixed to the ventilation plate with fixing bolts, so that the lower pressure plate can be installed and removed, thereby improving the applicability of the device.

[0025] 2. The utility model proposes a brake disc seal ring high-temperature sealing test device, which can discharge the sealed gas from the air pressure tank in the case of negative pressure overload through the vent plate and the air pressure tank to avoid safety hazards. The upper pressure plate is overlapped with the lower pressure plate under the influence of the hydraulic cylinder, and the placement ring is stuck into the interior of the upper pressure plate, so that the gas can only flow through the air holes and communicate with the air pressure tank, thereby improving the safety of the device.

[0026] 3. The utility model proposes a brake disc seal ring high temperature sealing test device, which can be used to test seal rings of different sizes. At the same time, it can automatically exhaust air when air pressure load occurs in the device to ensure the safety of the operator, thereby improving the applicability and safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A stereoscopic diagram of a brake disc seal ring high temperature sealing performance test device proposed by the utility model;

[0028] Figure 2 This is a schematic diagram of the test bench structure of a brake disc seal ring high temperature sealing test device proposed by the utility model;

[0029] Figure 3 This is a schematic diagram of the upper pressure plate structure of a brake disc seal ring high temperature sealing test device proposed by the utility model;

[0030] Figure 4This is a structural diagram of a lower pressure plate of a brake disc seal ring high temperature sealing test device proposed by the utility model;

[0031] Figure 5 The utility model discloses a schematic diagram of the bottom structure of a lower pressure plate of a brake disc seal ring high temperature sealing performance test device.

[0032] Legend:

[0033] 1. Test bench; 2. Control box; 3. Display screen; 4. Carrying strap; 5. Control button; 6. Ventilation plate; 7. Support column; 8. Support plate; 9. Hydraulic cylinder; 10. Sealing shell; 11. Upper pressure plate; 12. Lower pressure plate; 13. Connecting wire; 14. Mounting slot; 15. Clamping column; 16. Clamping slot; 17. Fixing plate; 18. Screw hole; 19. Fixing bolt; 20. Placement ring; 21. Air hole; 22. Air pressure tank; 23. Electric heating plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-5 , the utility model provides an embodiment: a brake disc sealing ring high temperature sealing test device, including a test bench 1 and a control box 2, a vent plate 6 is fixedly arranged on the upper end of the test bench 1, and support columns 7 are fixedly arranged on both sides of the upper end of the test bench 1 near its rear end, and support plates 8 are fixedly arranged on the upper ends of the two support columns 7, and a hydraulic cylinder 9 is fixedly arranged on the upper end of the support plate 8, and a sealing shell 10 is fixedly arranged at the lower end of the hydraulic cylinder 9 and located at the lower end of the support plate 8, and an electric heating plate 23 is fixedly arranged inside the sealing shell 10, and an upper pressure plate 11 is fixedly arranged at the lower end of the sealing shell 10, and a lower pressure plate 12 is detachably arranged on the upper end of the vent plate 6, and the lower pressure plate Fixing plates 17 are fixedly provided on both sides of 12 near their upper ends, and screw holes 18 are opened on the two fixing plates 17. A placement ring 20 is fixedly provided in the middle of the upper end of the lower pressure plate 12. By setting a detachable lower pressure plate 12, sealing rings of different sizes can be tested, thereby expanding the scope of use of the device. The lower pressure plate 12 is clamped in the installation groove 14, and the clamping column 15 is clamped into the inside of the clamping groove 16, so that the lower pressure plate 12 is positioned on the ventilation plate 6, and then the fixing bolts 19 are used to fix the fixing plate 17 on the ventilation plate 6, so that the lower pressure plate 12 can be installed and removed, thereby improving the applicability of the device.

[0036] An air hole 21 is opened at the upper end of the lower pressure plate 12 and located inside the placement ring 20. Air pressure tanks 22 are fixedly arranged on both sides of the upper end of the vent plate 6 near its front end. The sealed gas can be discharged from the air pressure tank 22 through the vent plate 6 and the air pressure tank 22 in the case of negative pressure overload, avoiding safety hazards. The upper pressure plate 11 is overlapped with the lower pressure plate 12 under the influence of the hydraulic cylinder 9, so that the placement ring 20 is stuck into the upper pressure plate 11, so that the gas can only flow through the air hole 21 and communicate with the air pressure tank 22, thereby improving the safety of the device.

[0037] A display screen 3 is fixedly provided at the front end of the control box 2. Through the display screen 3 fixedly provided at the front end of the control box 2, the test results can be presented for the experimenter to observe.

[0038] A carrying strap 4 is fixedly provided on the upper end of the control box 2 , so that the control box 2 can be easily carried and moved.

[0039] A plurality of control buttons 5 are fixedly arranged at equal intervals at the front end of the test bench 1, which facilitates starting and emergency stopping of the test.

[0040] A connecting line 13 is provided between the rear end of the lower pressure plate 12 and the front end of the control box 2. The control box 2 and the test bench 1 can be connected together through the connecting line 13 so that the control box 2 can monitor the safety situation during the test in real time.

[0041] A mounting groove 14 is provided at the upper end of the ventilation plate 6, and clamping columns 15 are fixedly provided at the upper end of the ventilation plate 6 and at the four corners inside the mounting groove 14. A clamping groove 16 is fixedly provided at the four corners of the lower end of the lower pressure plate 12. The multiple clamping grooves 16 are respectively clamped on the corresponding clamping columns 15. By clamping the clamping grooves 16 on the corresponding clamping columns 15, the lower pressure plate 12 can be positioned on the ventilation plate 6 so as to further fix it.

[0042] Fixing bolts 19 are threadedly arranged at the upper ends of the two fixing plates 17 and at the corresponding screw holes 18. The two fixing bolts 19 respectively penetrate the corresponding screw holes 18 and are threadedly connected to the ventilation plate 6. By respectively penetrating the corresponding screw holes 18 and being threadedly connected to the ventilation plate 6, the lower pressure plate 12 can be fixed, thereby realizing its installation and disassembly.

[0043] Working principle: When the brake disc seal ring high temperature sealing test device is used, first connect the connecting line 13 to the control box 2 and the upper pressure plate 11, and then install the appropriate lower pressure plate 12 on the vent plate 6 according to the size of the seal ring, so that the clamping column 15 is inserted into the inside of the clamping groove 16, so that the lower pressure plate 12 is positioned on the vent plate 6, and then the fixing plate 17 is fixed to the vent plate 6 with the fixing bolt 19, and then the seal ring is placed in the placement ring 20, and the hydraulic cylinder 9 is started, so that the upper pressure plate 11 is affected by the hydraulic cylinder 9 and overlaps with the lower pressure plate 12, so that the placement ring 20 is inserted into the upper pressure plate 11, and then the electric heating plate 23 starts to heat up, and then the gas enters the air pressure tank 22 from the air hole 21, and the test results of the seal ring are presented on the display screen 3, so that the experimenter can judge the quality of the seal ring. When the seal ring has negative pressure during the test, the air pressure tank 22 can automatically discharge the gas, thereby avoiding safety hazards, thereby improving the applicability and safety of the device.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake disc seal ring high temperature sealing test device, comprising a test bench (1) and a control box (2), characterized in that: A ventilation plate (6) is fixedly provided at the upper end of the test bench (1), support columns (7) are fixedly provided on both sides of the upper end of the test bench (1) near its rear end, support plates (8) are fixedly provided on the upper ends of the two support columns (7), a hydraulic cylinder (9) is fixedly provided on the upper end of the support plate (8), a sealing shell (10) is fixedly provided at the lower end of the hydraulic cylinder (9) and located at the lower end of the support plate (8), an electric heating plate (23) is fixedly provided inside the sealing shell (10), an upper pressure plate (11) is fixedly provided at the lower end of the sealing shell (10), a lower pressure plate (12) is detachably provided at the upper end of the ventilation plate (6), fixing plates (17) are fixedly provided on both sides of the lower pressure plate (12) near its upper end, screw holes (18) are provided on the two fixing plates (17), and a placement ring (20) is fixedly provided at the middle part of the upper end of the lower pressure plate (12).

2. A brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: An air hole (21) is provided at the upper end of the lower pressure plate (12) and inside the placement ring (20), and air pressure tanks (22) are fixedly provided on both sides of the upper end of the ventilation plate (6) near its front end.

3. A brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: A display screen (3) is fixedly arranged at the front end of the control box (2).

4. A brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: A carrying strap (4) is fixedly provided on the upper end of the control box (2).

5. A brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: A plurality of control buttons (5) are fixedly arranged at equal intervals on the front end of the test bench (1).

6. A brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: A connecting line (13) is provided between the rear end of the lower pressure plate (12) and the front end of the control box (2).

7. A brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: The upper end of the ventilation plate (6) is provided with a mounting groove (14), and clamping columns (15) are fixedly provided at the upper end of the ventilation plate (6) and at the four corners inside the mounting groove (14), and clamping grooves (16) are fixedly provided at the four corners of the lower end of the lower pressure plate (12), and a plurality of the clamping grooves (16) are respectively clamped on corresponding clamping columns (15).

8. The brake disc seal ring high temperature sealing test device according to claim 1, characterized in that: Fixing bolts (19) are threadedly arranged at the upper ends of the two fixing plates (17) and at the corresponding screw holes (18). The two fixing bolts (19) respectively penetrate the corresponding screw holes (18) and are threadedly connected to the ventilation plate (6).

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