Civil aircraft wheel structure torque test device

Abstract

The utility model relates to the technical field of structural torque test, and discloses a civil aircraft wheel structural torque test device, which comprises a driving device, a test wheel, a belt tool, a guide wheel, a tension device and a penetrating rod, the center of the test wheel and the center of the guide wheel are located on the same horizontal line, and the driving device can drive the test wheel to abut against the guide wheel. The test wheel comprises an airplane wheel, a tire sleeved on the airplane wheel and a brake device arranged on the airplane wheel; the brake device comprises a brake movable disc and a brake static disc, and the penetrating rod penetrates through the brake movable disc and the brake static disc at the same time. A belt tool is wound on the tire, and the belt tool is wound on the tire for at least one circle; the end, away from the tire, of the belt is connected to the tensioning device through the guide wheel. The tire and the guide wheel can jointly abut against the belt between the tire and the guide wheel. The tensioning device is used for tensioning the belt tool. According to the technical scheme provided by the utility model, the accuracy of the civil aircraft wheel structure torque test can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to structural moment test technical field, concretely relates to a civil aviation wheel structure moment test device. BACKGROUND

[0002] Wheel structure moment test is an important test in the aircraft brake wheel acceptance, and is also a key step to ensure that the aircraft wheel brake meets the safety requirements in design and manufacture, and the purpose is to verify the performance of the tire, wheel and brake device under the maximum rated static load. It requires the tire, wheel and brake device to withstand a certain tangential load under the maximum rated static load without failure.

[0003] When the civil aviation wheel is subjected to the structural moment test, if the required structural moment is large, the brake discs may rotate relative to each other during the test, and after the tire inflation pressure is increased, the tire and the wheel are prone to slip, which seriously affects the accuracy of the test results. Therefore, the utility model provides a civil aviation wheel structure moment test device to improve the accuracy of the civil aviation wheel structure moment test. SUMMARY

[0004] The main purpose of the utility model is to provide a civil aviation wheel structure moment test device to improve the accuracy of the civil aviation wheel structure moment test.

[0005] To achieve the above-mentioned purpose, the civil aviation wheel structure moment test device provided by the utility model comprises a driving device, a test wheel, a harness, a guide wheel, a tensioning device and a through rod; the center of the test wheel and the center of the guide wheel are on the same horizontal line, and the driving device can drive the test wheel to abut against the guide wheel; the test wheel comprises a wheel, a tire sleeved on the wheel and a brake device arranged on the wheel; the brake device comprises a brake moving disc and a brake static disc, and the through rod penetrates through the brake moving disc and the brake static disc; the brake moving disc is coaxially fixedly connected with the wheel, and the brake static disc is used for frictionally abutting against the brake moving disc to brake the wheel; the harness is wound around the tire, and the harness is wound around the tire at least once; one end of the harness away from the tire is wound around the guide wheel and connected to the tensioning device; the tire and the guide wheel can jointly abut against the harness located between the tire and the guide wheel; and the tensioning device is used for tensioning the harness.

[0006] Preferably, the civil aviation wheel structure moment test device further comprises a sliding rail and a first mounting plate slidingly arranged on the sliding rail; a first connecting shaft is vertically arranged on the upper portion of the first mounting plate, and the wheel is rotationally connected to one end of the first connecting shaft away from the first mounting plate; and the driving device is arranged at one end of the sliding rail to drive the test wheel to move along the sliding rail.

[0007] Preferably, one end of the slide rail away from the guide wheel is provided with a mounting block; the driving device comprises a telescopic rod vertically arranged on the mounting block, the telescopic rod being parallel to the slide rail; the first mounting plate is provided with a connecting block; the fixed end of the telescopic rod is fixedly connected to the mounting block, and the movable end of the telescopic rod is fixedly connected to the connecting block.

[0008] Preferably, the number of the slide rails is two, and the two slide rails are opposite to each other; the lower part of the first mounting plate is provided with a bottom plate, and the first mounting plate is vertically connected to the bottom plate; the two sides of the bottom plate are symmetrically provided with pulleys, and the pulleys are slidingly embedded in the slide rails.

[0009] Preferably, the civil aviation wheel structure torque test device further comprises a second mounting plate; the second mounting plate is parallel to the first mounting plate; the upper part of the second mounting plate is vertically provided with a second connecting shaft, and the guide wheel is rotatably arranged on the second connecting shaft; the test wheel is opposite to the guide wheel.

[0010] Preferably, the civil aviation wheel structure torque test device further comprises a test bench arranged horizontally; the mounting block, the slide rail and the second mounting plate are arranged on the test bench, and the first mounting plate and the second mounting plate are perpendicular to the test bench.

[0011] Preferably, the test bench is further provided with a support block; one side of the support block is connected to the side of the mounting block away from the telescopic rod, and the other side of the support block is connected to the test bench; the number of the support blocks is multiple, and the multiple support blocks are arranged at equal intervals.

[0012] Preferably, the bottom plate is provided with a support rod; the support rod is arranged obliquely; one end of the support rod is connected to the top of the bottom plate, and the other end of the support rod is connected to the first mounting plate; the number of the support rods is multiple, and the multiple support rods are arranged at equal intervals.

[0013] Preferably, the tensioning device comprises an oil cylinder; the oil cylinder is fixedly connected to the test bench; the piston rod of the oil cylinder is provided with a joint, and the joint is used to connect one end of the harness away from the test wheel.

[0014] Preferably, the harness comprises an anti-skid layer and a harness body; the anti-skid layer is arranged on both sides of the harness body.

[0015] The technical scheme of the utility model discloses, the tire is around the setting with at least one circle the harness, the end of the harness is away from the tire and is connected with the tensioning device through the guide wheel, and the driving device can drive the test wheel to be close to the guide wheel, and make the tire and the guide wheel abut the harness together, therefore, the driving device can exert radial load when pushing the test wheel to abut the guide wheel, improve the friction of the harness and the tire, prevent the slip between the tire and the wheel, and the tensioning device can exert tension to the harness simultaneously, and then exert structural torque to the test wheel, thereby carrying out the test, the through rod passes through the brake moving disc and the brake static disc simultaneously, therefore, the through rod can prevent the brake moving disc and the brake static disc from slipping when braking, thereby improving the accuracy of the test, the civil aviation wheel structural torque test device exerts radial load through the driving device, generates structural torque through the tensioning device, and uses the through rod to pass through the brake moving disc and the brake static disc simultaneously, can effectively prevent the slip between the wheel and the tire and between the brake moving disc and the brake static disc while ensuring that the wheel structural torque test can be carried out smoothly, thereby improving the accuracy of the wheel structural torque test. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0017] Fig. 1 It is the structural schematic diagram of the civil aviation wheel structural torque test device of the utility model,

[0018] Fig. 2 It is the mounting schematic diagram of the wheel of the civil aviation wheel structural torque test device of the utility model,

[0019] Fig. 3 It is the structural schematic diagram of the harness of the civil aviation wheel structural torque test device of the utility model,

[0020] Fig. 4 It is the mounting schematic diagram of the through rod of the civil aviation wheel structural torque test device of the utility model.

[0021] EXPLANATION OF DRAWINGS:

[0022] 1-slideway; 2-mounting block; 21-supporting block; 3-telescopic rod; 4-connecting block; 5-first mounting plate; 6-bottom plate; 7-pulley; 8-wheel; 9-tire; 10-belt; 101-anti-skid layer; 102-belt body; 11-second mounting plate; 12-guide wheel; 13-oil cylinder; 14-test bench; 15-brake device; 151-brake moving disc; 152-brake stationary disc; 16-first connecting shaft; 17-supporting rod; 18-penetration rod.

[0023] The realization, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly.

[0026] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0027] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but must be based on that a person having ordinary skill in the art can realize, when the combination of technical solutions appears mutual contradiction or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0029] The utility model provides a civil aviation wheel structure moment test device.

[0030] Please refer to Figs. 1 to 4 , this civil aviation wheel structure moment test device includes drive arrangement, test wheel, harness 10, guide wheel 12, tensioner and through bar 18, the center of test wheel is with the center of guide wheel 12 is on the same horizontal line, and drive arrangement can drive test wheel and butt joint guide wheel 12, test wheel includes wheel 8, tire 9 of setting in wheel 8 and set up on wheel 8 brake device 15, brake device 15 includes brake moving disc 151 and brake static disc 152, through bar 18 passes through brake moving disc 151 and brake static disc 152 simultaneously, brake moving disc 151 is coaxially fixedly connected with wheel 8, brake static disc 152 is used for rubbing brake moving disc 151, to brake wheel 8, tire 9 is around set with harness 10, and harness 10 at least around tire 9 a circle, the end of harness 10 away from tire 9 is connected in tensioner through guide wheel 12, tire 9 and guide wheel 12 can butt joint harness 10 located between tire 9 and guide wheel 12 together, tensioner is used for tensioning harness 10.

[0031] The utility model discloses a technical scheme, the tire 9 is around and is equipped with at least one circle the harness 10, the harness 10 is away from the one end of tire 9 and is connected to the tensioning device through the guide wheel 12, and the driving device can drive the test wheel to be close to the guide wheel 12, and make the tire 9 and the guide wheel 12 common abut the harness 10, therefore, the driving device pushes the test wheel abut the guide wheel 12 and can exert radial load, improve the friction of the harness 10 with the tire 9, prevent the slip between the tire 9 and the wheel 8, and simultaneously the tensioning device can exert the tension to the harness 10, and then exert structural torque to the test wheel, thereby carrying out the test, the through bar 18 passes through the brake moving disc 151 and the brake static disc 152 simultaneously, therefore, the through bar 18 can prevent the brake moving disc 152 and the brake static disc 152 between the skidding during braking, thereby improving the accuracy of test. In conclusion, the civil aviation wheel structural torque test device exerts radial load through the driving device, generates structural torque through the tensioning device, and uses the through bar to pass through the brake moving disc and the brake static disc simultaneously, can effectively prevent the slip between the wheel and the tire, between the brake moving disc and the brake static disc when ensuring that the wheel structural torque test can be carried out smoothly, thereby improving the accuracy of wheel structural torque test.

[0032] Specifically, the test wheel is opposite to the guide wheel 12. Further, the wheel 8, the tire 9 and the harness 10 are all provided with strain gauges for monitoring the stress of each component; the edges of the two sides of the harness 10 are respectively provided with iron wire tightening to make the harness 10 better fit the tire 9, thereby preventing the tire 9 from slipping with the harness 10.

[0033] Preferably, the civil aviation wheel structural torque test device further comprises a slide rail 1 and a first mounting plate 5 slidably arranged on the slide rail 1; a first connecting shaft 16 is vertically arranged on the upper part of the first mounting plate 5, and the wheel 8 is rotationally connected to the end of the first connecting shaft 16 away from the first mounting plate 5; the driving device is arranged at one end of the slide rail 1 to drive the test wheel to move along the slide rail 1.

[0034] The slide rail 1 is used to define the movement path of the test wheel; the first mounting plate 5 is used to mount the test wheel, and the driving device drives the first mounting plate 5 to move along the slide rail 1, so that the test wheel and the guide wheel 12 abut the harness 10 together. Specifically, the upper part of the first mounting plate 5 is provided with a circular arc transition; the number of slide rails 1 can be one or two.

[0035] Preferably, one end of the slide rail 1 away from the guide wheel 12 is provided with a mounting block 2; the driving device comprises a telescopic rod 3 vertically arranged on the mounting block 2, the telescopic rod 3 is parallel to the slide rail 1; the first mounting plate 5 is provided with a connecting block 4; the fixed end of the telescopic rod 3 is fixedly connected to the mounting block 2, and the movable end of the telescopic rod 3 is fixedly connected to the connecting block 4.

[0036] The mounting block 2 is used to provide support for the telescopic rod 3, and the telescopic rod 3 is elongated to push the test wheel to abut against the guide wheel 12, so as to apply a radial load. Specifically, the mounting block 2 is a rectangular block; the telescopic rod 3 is a hydraulic cylinder or an electric push rod. In the embodiment, the connecting block 4 is arranged at the lower part of the first mounting plate 5, and in another embodiment, the center of the connecting block 4 is on the same horizontal line as the center of the test wheel.

[0037] Preferably, the number of the slide rail 1 is 2, and the two slide rails 1 are opposite to each other; the lower part of the first mounting plate 5 is provided with a bottom plate 6, and the first mounting plate 5 is vertically connected to the bottom plate 6; the two sides of the bottom plate 6 are respectively and symmetrically provided with pulleys 7, and the pulleys 7 are slidingly embedded in the slide rails 1.

[0038] Specifically, the bottom plate 6 is located between the two slide rails 1; the number of the pulleys 7 is 4, and two pulleys 7 are respectively and symmetrically arranged on the opposite sides of the bottom plate 6.

[0039] Preferably, the civil aviation wheel structure torque test device further comprises a second mounting plate 11; the second mounting plate 11 is parallel to the first mounting plate 5; the upper part of the second mounting plate 11 is vertically provided with a second connecting shaft, and the guide wheel 12 is rotatably arranged on the second connecting shaft; the test wheel is opposite to the guide wheel 12. Specifically, the upper part of the second mounting plate 11 is provided with a circular arc transition.

[0040] Preferably, the civil aviation wheel structure torque test device further comprises a test bench 14 arranged horizontally; the mounting block 2, the slide rail 1 and the second mounting plate 11 are all arranged on the test bench 14, and the first mounting plate 5 and the second mounting plate 11 are both perpendicular to the test bench 14.

[0041] Specifically, the test bench 14 is rectangular. Further, the bottom of the test bench 14 is provided with a plurality of cushion blocks, and the cushion blocks are respectively arranged at the four corners of the test bench 14.

[0042] Preferably, the test bench 14 is further provided with support blocks 21; one side of the support blocks 21 is connected to the side of the mounting block 2 away from the telescopic rod 3, and the other side of the support blocks 21 is connected to the test bench 14; the support blocks 21 are multiple in number and are arranged at equal intervals.

[0043] Preferably, the bottom plate 6 is provided with support rods 17; the support rods 17 are arranged obliquely; one end of the support rods 17 is connected to the top of the bottom plate 6, and the other end of the support rods 17 is connected to the first mounting plate 5; the support rods 17 are multiple in number and are arranged at equal intervals. The support rods 17 can improve the stability of the first mounting plate 5. In this embodiment, the support rods 17 are two in number.

[0044] Preferably, the tensioning device comprises an oil cylinder 13; the oil cylinder 13 is fixedly connected to the test bench 14; a joint 131 is arranged on the piston rod of the oil cylinder 13, and the joint 131 is used to connect one end of the belt 10 away from the test wheel.

[0045] The piston rod of the oil cylinder 13 is retracted to tighten the belt 10. In this embodiment, the oil cylinder 13 is arranged vertically on the test bench 14, and the fixed end of the oil cylinder 13 is fixedly connected to the test bench 14; the joint 13 is a threaded joint or a pin joint, and a locking device such as a nut lock plate or a locking pin is arranged on the joint 13.

[0046] Further, the test bench 14 is provided with a mounting bracket; the bottom of the mounting bracket is fixedly connected to the test bench 14, and the upper part of the mounting bracket can rotate; the oil cylinder 13 is arranged on the upper part of the mounting bracket, so as to adjust the angle of the oil cylinder 13 and make the axis of the oil cylinder 13 coincide with the tangent of the guide wheel 12.

[0047] Preferably, the belt 10 comprises an anti-skid layer 101 and a belt body 102; the anti-skid layer 101 is arranged on both sides of the belt body 102.

[0048] The anti-skid layer 101 can further improve the friction between the belt 10 and the tire 9. Specifically, the belt body 102 is made of Kevlar fiber, and the anti-skid layer 101 is made of rubber material or polyurethane material.

[0049] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or directly / indirectly applied in other related technical fields are included in the patent protection range of the present application.

Claims

1. A civil aircraft wheel structure moment test device, characterized by, The application relates to a test wheel driving device, which comprises a driving device, a test wheel, a belt (10), a guide wheel (12), a tensioning device and a through rod (18); the center of the test wheel is on the same horizontal line as the center of the guide wheel (12), and the driving device can drive the test wheel to abut against the guide wheel (12); the test wheel comprises a machine wheel (8), a tire (9) sleeved on the machine wheel (8) and a brake device (15) arranged on the machine wheel (8); the brake device (15) comprises a brake moving disc (151) and a brake static disc (152), and the through rod (18) penetrates through the brake moving disc (151) and the brake static disc (152) simultaneously; the brake moving disc (151) is coaxially fixedly connected with the machine wheel (8), the brake static disc (152) is used for rubbing the brake moving disc (151) to brake the machine wheel (8); the belt (10) is arranged on the tire (9) and surrounds the tire (9) at least once; one end of the belt (10) away from the tire (9) is connected to the tensioning device through the guide wheel (12); the tire (9) and the guide wheel (12) can abut against the belt (10) located between the tire (9) and the guide wheel (12) together; and the tensioning device is used for tensioning the belt (10).

2. The civil aircraft wheel structure torque testing apparatus according to claim 1, wherein, The application further comprises a sliding rail (1) and a first mounting plate (5) slidingly arranged on the sliding rail (1); a first connecting shaft (16) is vertically arranged on the upper portion of the first mounting plate (5), and the machine wheel (8) is rotationally connected to one end of the first connecting shaft (16) away from the first mounting plate (5); the driving device is arranged on one end of the sliding rail (1) and is used for driving the test wheel to move along the sliding rail (1).

3. The civil aircraft wheel structure torque testing apparatus of claim 2, wherein, One end of the sliding rail (1) away from the guide wheel (12) is provided with a mounting block (2); the driving device comprises a telescopic rod (3) vertically arranged on the mounting block (2), and the telescopic rod (3) is parallel to the sliding rail (1); a connecting block (4) is arranged on the first mounting plate (5); the fixed end of the telescopic rod (3) is fixedly connected to the mounting block (2), and the movable end of the telescopic rod (3) is fixedly connected to the connecting block (4).

4. The civil aircraft wheel structure torque testing apparatus of claim 2, wherein, The number of the sliding rails (1) is two, and the two sliding rails (1) are opposite to each other; the lower portion of the first mounting plate (5) is provided with a bottom plate (6), and the first mounting plate (5) is vertically connected to the bottom plate (6); a pulley (7) is symmetrically arranged on the two sides of the bottom plate (6) respectively, and the pulley (7) is slidingly embedded in the sliding rail (1).

5. The civil aircraft wheel structure torque testing apparatus of claim 3, wherein, The application further comprises a second mounting plate (11); the second mounting plate (11) is parallel to the first mounting plate (5); a second connecting shaft is vertically arranged on the upper portion of the second mounting plate (11), and the guide wheel (12) is rotationally arranged on the second connecting shaft; the test wheel is opposite to the guide wheel (12).

6. The civil aircraft wheel structure torque testing apparatus of claim 5, wherein, The test bench (14) is horizontally arranged; the mounting block (2), the slide rail (1) and the second mounting plate (11) are arranged on the test bench (14), and the first mounting plate (5) and the second mounting plate (11) are perpendicular to the test bench (14).

7. The civil aircraft wheel torque test apparatus of claim 6, wherein, The test bench (14) is further provided with a support block (21); one side of the support block (21) is connected to the side of the mounting block (2) away from the telescopic rod (3), and the other side of the support block (21) is connected to the test bench (14); the support block (21) is provided in multiple, and multiple support blocks (21) are arranged at equal intervals.

8. The civil aircraft wheel structure torque testing apparatus of claim 4, wherein, The bottom plate (6) is provided with a support rod (17); the support rod (17) is arranged obliquely; one end of the support rod (17) is connected to the top of the bottom plate (6), and the other end of the support rod (17) is connected to the first mounting plate (5); the support rod (17) is provided in multiple, and multiple support rods (17) are arranged at equal intervals.

9. The civil aircraft wheel structure torque testing apparatus of claim 6, wherein, The tensioning device comprises an oil cylinder (13); the oil cylinder (13) is fixedly connected to the test bench (14); a joint (131) is arranged on the piston rod of the oil cylinder (13), and the joint (131) is used for connecting one end of the harness (10) away from the test wheel.

10. The civil aircraft wheel structure torque testing apparatus of Claim 1, wherein, The harness (10) comprises an anti-skid layer (101) and a harness body (102); the anti-skid layer (101) is arranged on both sides of the harness body (102). The test bench (14) is further provided with a support block (21); one side of the support block (21) is connected to the side of the mounting block (2) away from the telescopic rod (3), and the other side of the support block (21) is connected to the test bench (14); the support block (21) is provided in multiple, and multiple support blocks (21) are arranged at equal intervals.

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