Airplane wheel torque impact test bench

Abstract

The utility model discloses an airplane wheel torque impact test bench, which relates to the airplane wheel brake device performance test technology field, and comprises a pedestal, the upper end portion of the pedestal is fixedly connected with a support frame, the upper end portion of the support frame is rotatably connected with a main shaft, the pedestal is horizontally and slidably connected with a mobile station, and one side of the mobile station close to the main shaft is provided with a clamp. The end, close to the clamp, of the main shaft is detachably connected with a testing head. Firstly, the testing head is installed at the end, close to the clamp, of the main shaft, when the airplane wheel is tested, the airplane wheel is clamped on the clamp, then the airplane wheel is driven to move by sliding the moving table, the airplane wheel is connected with the testing head in an abutting mode, then torsion testing can be conducted on the airplane wheel, then the main shaft can be operated to rotate, and then the torque head is driven to rotate. Therefore, the torsion test is carried out on the airplane wheel, and the convenience is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to machine wheel brake device performance test technical field especially relates to a machine wheel torque impact test bench. BACKGROUND

[0002] The wheel of the airplane needs to carry out torque test to the machine wheel before factory, is used for testing the safe use torque and service life of machine wheel.

[0003] At present, when the machine wheel is tested, the motor is usually arranged on the testing device, the synchronous wheel is installed on the output shaft of the motor, the external part of the testing head for testing the machine wheel is also provided with the synchronous wheel, and then the synchronous belt is sleeved outside the two synchronous wheels. When the machine wheel is tested, the testing head is moved to the position abutting against the machine wheel, then the output shaft of the motor is rotated to drive the testing head to rotate, and the machine wheel is driven to rotate to test the torque of the machine wheel.

[0004] In the related technology, the machine wheel and the testing head are in the abutting state when testing, the output shaft of the motor needs to bear a large resistance when rotating, which can easily cause damage to the output shaft of the motor, and the rotating angle and force of the machine wheel during testing are difficult to accurately control, and the accuracy of the test is low. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the application provides a machine wheel torque impact test bench.

[0006] The application provides a machine wheel torque impact test bench, which adopts the following technical scheme:

[0007] A machine wheel torque impact test bench, comprising a base, the upper end of the base is fixedly connected with a support frame, the upper end of the support frame is rotatably connected with a main shaft, a movable table is horizontally slidably connected to the base, a clamp is arranged on the side of the movable table close to the main shaft for clamping the machine wheel, and a testing head is detachably connected to the end of the main shaft close to the clamp.

[0008] By adopting the above technical scheme, the testing head is first installed on the end of the main shaft close to the clamp, the machine wheel is clamped on the clamp when testing, the machine wheel is moved by sliding the movable table, the machine wheel is abutted with the testing head, and then the machine wheel is tested by torque, then the main shaft is rotated to drive the torque head to rotate, and the machine wheel is rotated to test the torque of the machine wheel, which is convenient.

[0009] Optionally, the upper end of the base is provided with a rotary driving assembly for driving the main shaft to rotate.

[0010] By adopting the above technical scheme, the main shaft is driven to rotate by the driving assembly, which is simple in structure and convenient to drive.

[0011] Optionally, the rotating driving assembly comprises a cylinder, a cylinder barrel of the cylinder is rotationally connected to the upper end of the support frame, a piston rod of the cylinder is rotationally connected with the support arm, and an end of the support arm away from the cylinder is sleeved on the outside of the main shaft and fixedly connected with the main shaft.

[0012] By adopting the above technical scheme, when the wheel is tested for torsion, the piston rod of the cylinder is controlled to extend, thereby driving the one end of the support arm in the length direction to move, and the other end of the support arm in the length direction rotates, thereby driving the main shaft to rotate and the torque head to rotate, and the wheel is tested for torque, which is high in convenience, and the main shaft is driven in this way, and the main shaft rotates stably.

[0013] Optionally, the upper end of the base is provided with a moving driving assembly for driving the moving table to slide.

[0014] By adopting the above technical scheme, the moving table can be driven to slide by the driving assembly, which is simple in structure and convenient to drive.

[0015] Optionally, the moving driving assembly comprises a threaded rod rotationally connected to the upper end of the base, and the moving table is threadedly connected with the threaded rod.

[0016] By adopting the above technical scheme, the moving table can be driven to move by controlling the rotation of the threaded rod, which is simple in structure and convenient to drive.

[0017] Optionally, the moving driving assembly further comprises a driving motor and a speed reducer, both of which are arranged at one end of the base in the length direction, an output shaft of the driving motor is connected with an input end of the speed reducer, and an output shaft of the speed reducer is fixedly connected with one end of the threaded rod in the length direction.

[0018] By adopting the above technical scheme, the output shaft of the driving motor is controlled to rotate, thereby driving the output shaft of the speed reducer to rotate and the threaded rod to rotate, which is simple in structure and convenient to drive.

[0019] Optionally, the upper end of the base is provided with a plurality of slide rails, and the moving table slides on the plurality of slide rails.

[0020] By adopting the above technical scheme, the moving table slides on the slide rails stably, thereby improving the stability of the wheel test.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. First, the test head is installed on the main shaft near one end of the clamp, when testing the wheel, the wheel is clamped on the clamp, then the wheel is moved by sliding the moving table, and the wheel is abutted with the test head, then the wheel can be tested for torsion, then the main shaft can be operated to rotate, thereby driving the torque head to rotate, thereby driving the wheel to rotate, and the wheel is tested for torsion, which is convenient;

[0023] 2. When testing the wheel for torsion, the piston rod of the oil cylinder is operated to extend, thereby driving one end of the support arm in the length direction to move, at this time the other end of the support arm in the length direction rotates, thereby driving the main shaft to rotate, thereby driving the torque head to rotate, and the wheel is tested for torque, which is convenient, and the effect of driving the main shaft by this way is good, and the main shaft rotates stably. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a cross-sectional structure schematic diagram of a wheel torque impact test bench.

[0025] Figure 2 It is a schematic diagram of the overall structure of a wheel torque impact test bench.

[0026] Figure 3 It is a schematic diagram of the oil cylinder.

[0027] Figure 4 It is a schematic diagram of testing the guide rail.

[0028] Figure 5 It is a schematic diagram of testing the moving disc.

[0029] Figure 6 It is a schematic diagram of testing the static disc.

[0030] Marked: 1, base; 2, support frame; 3, main shaft; 31, test head; 4, moving table; 41, clamp; 5, oil cylinder; 51, force sensor; 6, support arm; 7, threaded rod; 8, slide rail; 9, drive motor; 91, speed reducer. DETAILED DESCRIPTION

[0031] The application will be further described in detail below in combination with all the drawings.

[0032] The application discloses a wheel torque impact test bench.

[0033] Reference Figure 1 and Figure 2The utility model relates to a machine wheel torque impact test bench, including base 1, the upper end of base 1 is fixedly connected with support frame 2, the upper end of support frame 2 is rotatably connected with main shaft 3, base 1 is horizontally slidably connected with moving table 4, and the side of moving table 4 close to main shaft 3 is provided with clamp 41 for clamping machine wheel, and the end of main shaft 3 close to clamp 41 is detachably connected with test head 31, when testing machine wheel, utilizes clamp 41 and clamps machine wheel, then installs test head 31, can test machine wheel.

[0034] Wherein, the clamp 41 can be a chuck, or other clamp 41, can clamp the machine wheel, it is prior art, in the embodiment of the present application no longer carries out too much repetition.

[0035] Referring to Figure 1 And Figure 2 When testing machine wheel, test head 31 can be installed on the end of main shaft 3 close to base 1, then sliding moving table 4 can be moved to drive machine wheel to move, the upper end of base 1 is provided with the movement drive assembly for driving moving table 4 to slide, and the movement drive assembly includes the threaded rod 7 rotatably connected to the upper end of base 1, and moving table 4 is threadedly connected with threaded rod 7, and the movement drive assembly further includes drive motor 9 and speed reducer 91, drive motor 9 and speed reducer 91 are all arranged at one end of the length direction of base 1, the output shaft of drive motor 9 is connected with the input end of speed reducer 91, and the output shaft of speed reducer 91 is fixedly connected with one end of the length direction of threaded rod 7, by operating the output shaft rotation of drive motor 9, the output shaft rotation of speed reducer 91 is driven, and threaded rod 7 is driven to rotate, and the structure is simple, and driving is convenient.

[0036] Referring to Figure 1 And Figure 2 The upper end of base 1 is provided with a plurality of slide rails 8, and moving table 4 slides on the plurality of slide rails 8, and moving table 4 is driven to slide on base 1 along with the driving of threaded rod 7, the slide rails 8 position limiting moving table 4, thereby improving the stability of moving table 4 sliding on the slide rails 8, and moving to the position abutting against test head 31 can stop moving.

[0037] Referring to Figure 2 And Figure 3The upper end of the base 1 is provided with a rotary drive assembly for driving the main shaft 3 to rotate, the rotary drive assembly comprising an oil cylinder 5, the cylinder barrel of the oil cylinder 5 being rotationally connected to the upper end of the support frame 2, the piston rod of the oil cylinder 5 being rotationally connected with a support arm 6, the end of the support arm 6 away from the oil cylinder 5 being sleeved on the outside of the main shaft 3, and the end of the support arm 6 away from the oil cylinder 5 being fixedly connected with the main shaft 3; when the torque of the wheel is tested, the output shaft of the oil cylinder 5 is controlled to extend, thereby driving the one end of the support arm 6 in the length direction to rise, at this time, the other end of the support arm 6 in the length direction rotates, thereby driving the main shaft 3 to rotate, and then driving the test head 31 to rotate, thereby driving the wheel to rotate and testing the torque of the wheel.

[0038] The oil cylinder 5 is a servo oil cylinder 5, which is stable in loading, high in control precision, can effectively control the rotation angle of the driven wheel, and can provide the impact torque required by the test.

[0039] With reference to Figure 2 and Figure 3 , the force sensor 51 is installed between the oil cylinder 5 and the force arm, and when the output shaft of the oil cylinder 5 is controlled to extend, the force sensor 51 can feedback the force of the driven wheel in real time, thereby effectively controlling the force of the wheel test, and improving the test precision.

[0040] With reference to Figure 4 , the test head 31 comprises an impact head, the wheel comprises a plurality of guide rails, and the test bench can also be used for impact test of the guide rails, the wheel is installed on the clamp 41, the impact head for impact test of the guide rails is installed on the main shaft 3, then the sliding table 4 is moved towards the impact head, thereby the guide rails are subjected to impact test.

[0041] With reference to Figure 5 and Figure 6 , the wheel comprises a dynamic disc and a static disc, and the torque test of the dynamic disc and the static disc can also be carried out separately, when the dynamic disc is tested, the dynamic disc is installed on the clamp 41, and the test head 31 matched with the dynamic disc is installed on the main shaft 3, then the dynamic disc can be tested.

[0042] With reference to Figure 5 and Figure 6 , when the static disc is tested, the static disc is installed on the clamp 41, and the test head 31 matched with the static disc is installed on the main shaft 3, then the static disc can be tested.

[0043] The implementation principle of the wheel torque impact test bench in the embodiment of the application is as follows: when the wheel is tested, first, the test head 31 is installed, then the wheel is installed on the clamp 41, the output shaft of the driving motor 9 is operated to rotate, the output shaft of the speed reducer 91 is further rotated, the threaded rod 7 is further rotated, the moving table 4 is driven to slide, the wheel is moved to the position abutting against the test head 31, then the piston rod of the oil cylinder 5 is operated to extend or retract, the one end of the support arm 6 in the length direction is driven to rise and fall, the other end of the support arm 6 in the length direction is rotated, the main shaft 3 is further rotated, and the test head 31 is further rotated, so that the wheel is tested in torque, and the test angle and test force of the wheel are controlled during the test, and the test precision is high.

[0044] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A machine wheel torque impact test bench comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected with a support frame (2), the upper end of the support frame (2) is rotatably connected with a main shaft (3), the base (1) is horizontally slidably connected with a moving table (4), the side of the moving table (4) close to the main shaft (3) is provided with a clamp (41) for clamping a wheel, and the end of the main shaft (3) close to the clamp (41) is detachably connected with a test head (31).

2. A machine wheel torque impact test bench according to claim 1, characterized in that: The upper end of the base (1) is provided with a rotary drive assembly for driving the main shaft (3) to rotate.

3. A machine wheel torque impact test bench according to claim 2, characterized in that: The rotary drive assembly comprises an oil cylinder (5), the cylinder barrel of the oil cylinder (5) is rotatably connected to the upper end of the support frame (2), the piston rod of the oil cylinder (5) is rotatably connected with a support arm (6), the end of the support arm (6) away from the oil cylinder (5) is sleeved on the outside of the main shaft (3), and the end of the support arm (6) away from the oil cylinder (5) is fixedly connected with the main shaft (3).

4. The machine wheel torque impact test bench according to claim 1, characterized in that: The upper end of the base (1) is provided with a moving drive assembly for driving the moving table (4) to slide.

5. A machine wheel torque impact test bench according to claim 4, characterized in that: The moving drive assembly comprises a threaded rod (7) rotatably connected to the upper end of the base (1), and the moving table (4) is threadedly connected with the threaded rod (7).

6. A machine wheel torque impact test bench according to claim 5, characterized in that: The moving drive assembly further comprises a driving motor (9) and a speed reducer (91), both of which are arranged at one end of the base (1) in the length direction, the output shaft of the driving motor (9) is connected with the input end of the speed reducer (91), and the output shaft of the speed reducer (91) is fixedly connected with one end of the threaded rod (7) in the length direction.

7. A machine wheel torque impact test bench according to claim 4, characterized in that: The upper end of the base (1) is provided with a plurality of slide rails (8), and the moving table (4) slides on the slide rails (8).

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