Aircraft tire pressure resistance test device
By designing an aviation tire pressure test device with lateral movement, rotation and adjustment devices, the problem that existing devices cannot simulate high and low temperatures and tire blowouts is solved, and a more practical and safer test is achieved.
Patent Information
- Application Number
- CN202422053622.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-23
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-08-23
AI Technical Summary
Existing aviation tire pressure testing equipment cannot simulate high or low temperature environments, and there is a risk of tire blowout during the test, lacking protection capabilities.
An aviation tire pressure test device was designed, which includes a lateral movement device, a rotation device and an adjustment device. The lateral movement device provides pressure, the rotation device simulates the angle in a non-horizontal state, and the adjustment device changes the temperature to simulate different ground conditions and enhance protective measures.
It realizes simulation tests at different temperatures and non-horizontal conditions, improves the practicality and safety of the test, prevents tire blowouts, and enhances the protection capability of the device.
Smart Images
Figure CN223426278U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aviation tire pressure resistance test, in particular to an aviation tire pressure resistance test device. Background Art
[0002] Aircraft tires are specialized tires designed and manufactured specifically for aircraft, particularly airplanes. They withstand the immense weight and impact forces of takeoff, landing, and taxiing, requiring exceptional strength, wear resistance, and durability. Their construction and materials are carefully designed and selected to ensure consistent performance under extreme conditions. Aircraft tire pressure testing is a crucial step in ensuring their quality and safety.
[0003] The Chinese utility model patent application number CN2022229914129 in the prior art relates to a tire pressure test device used in the aviation industry, including a base, a test frame, a protective ring, a lower pressure block, a slide rail, a synchronous belt and a progressive motor light. It can realize pressure testing under normal rotation of the tire to be tested, simulate the load performance of the tire to be tested when driving on the road, and effectively improve the accuracy of the test data.
[0004] However, the above device cannot simulate high or low temperature ground environments in actual use, and there is a possibility of tire blowout during the pressure test. The above device does not have the ability to protect against tire blowouts. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides an aviation tire pressure test device which provides pressure to the tire through a lateral movement device, simulates the situation in which the tire of an aircraft is landing in a non-horizontal state and there is a certain angle between the tire and the ground through a rotating device, and changes the temperature of the rotating device through an adjustment device to facilitate the simulation of ground conditions at different temperatures, thereby improving the practicality of the device.
[0006] The utility model discloses an aircraft tire pressure resistance test device, comprising a frame, a support frame, a drive motor and a synchronous belt transmission structure, wherein the support frame is installed on the right part of the upper end surface of the frame, and the drive motor is installed through the support, and the output end of the drive motor is connected to the tire shaft through the synchronous belt transmission structure; the utility model comprises a transverse movement device, a rotating device and an adjusting device, wherein the transverse movement device is installed on the frame, the rotating device is installed on the transverse movement device, and the adjusting device is installed on the rotating device; pressure is provided for the tire by the transverse movement device, and a situation in which a certain angle between the tire and the ground is simulated when the aircraft lands in a non-horizontal state by the rotating device; the temperature of the rotating device is changed by the adjusting device, so as to facilitate the simulation of ground conditions with different temperatures, thereby improving the practicality of the device.
[0007] Preferably, the transverse movement device includes a hydraulic cylinder, a pressure sensor, a transverse movement platform and a limit slide rail. A hydraulic cylinder is installed on the left end face of the frame, and a group of limit slide rails are horizontally installed on the front and back of the middle of the upper end face of the frame. The lower part of the transverse movement platform is connected to the two groups of limit slide rails, and the moving end of the hydraulic cylinder is connected to the left end face of the transverse movement platform through the pressure sensor; by controlling the extension of the hydraulic cylinder, the transverse movement platform is moved to the right to cooperate with the rotating device to provide pressure for the tire, and the movement process of the transverse movement platform is limited by the two groups of limit slide rails to reduce the impact of the excessive vibration amplitude of the transverse movement platform itself on the test results during the simulation process, and the pressure value of the moving end of the hydraulic cylinder is monitored by the pressure sensor to prevent damage to the equipment caused by excessive pressure, thereby improving the practicality of the device.
[0008] Preferably, the rotating device includes a reducer, a motor, a worm, a rotating platform and a worm gear. The reducer is installed on the front end surface of the transverse platform, and the motor is installed on the reducer. A chamber is provided in the transverse platform, and a worm is horizontally installed in the chamber in the transverse platform. The output end of the reducer is connected to the worm, and the lower part of the rotating platform is connected to the upper end surface of the transverse platform through a bearing. The lower part of the rotating platform extends to the interior of the transverse platform and the worm gear is mounted on the lower part of the rotating platform, and the worm gear is meshed with the worm; the motor is turned on to transmit power to the worm through the reducer, and the rotating platform is driven to rotate through the cooperation of the worm and the worm gear, thereby changing the contact angle between the adjusting device and the tire, simulating the landing of an aircraft in a non-horizontal state, and improving the practicality of the device.
[0009] Preferably, the adjusting device includes a metal roller, a brake disc, an electric cylinder, and a brake pad. The metal roller is installed on the upper part of the rotating platform through a rotating shaft and a bearing. The rotating shaft connected to the metal roller passes through the front end face and the rear end face of the rotating platform respectively. Two sets of brake discs are respectively mounted on the two ends of the rotating shaft. A set of electric cylinders are respectively installed on the front and rear end faces of the rotating platform, and a brake pad is installed on the movable end of the electric cylinder. The metal roller provides pressure to the tire through contact with the tire, and rotates with the tire to simulate the pressure condition of the tire during the descent of the aircraft. The brake pad is pressed against the brake disc by controlling the extension of the electric cylinder to provide resistance to the rotation of the metal roller, thereby simulating the different friction forces corresponding to the landing of aircraft of different masses, thereby improving the practicality of the device.
[0010] Preferably, it also includes a sealing plug and a liquid adding tank. The liquid adding tank is provided in the metal roller. A through hole is opened on the side of the metal roller to communicate with the liquid adding tank, and a sealing plug is installed on the through hole. By filling the liquid adding tank with liquid of the required temperature, the surface temperature of the metal roller is changed to simulate different temperature environments. The interior of the liquid adding tank is sealed by the sealing plug to prevent liquid from spilling, thereby improving the practicality of the device.
[0011] Preferably, it further includes a protective cover, a handle, a baffle and a limiting column, the right part of the rack is provided with the protective cover through a rotating shaft, a group of baffles are arranged on the lower part of the front and rear end faces of the protective cover, two groups of limiting columns are respectively arranged on the right parts of the front and rear end faces of the rack, the baffle is located between the two groups of limiting columns, and a group of handles are arranged on the rear end face of the protective cover; the area where the tire is located is shielded through the protective cover, so that the operator is prevented from being hurt by tire explosion, the rotating area of the protective cover is limited through the baffle and the limiting column, the operator is facilitated to rotate the protective cover through the handle, and the practicability and safety of the device are improved.
[0012] Compared with the prior art, the beneficial effects of the utility model are that: the horizontal moving device provides pressure for the tire, the rotating device simulates the condition that the tire has a certain angle between the ground in the non-horizontal state of the airplane, the temperature of the rotating device is changed through the adjusting device, the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the first axonometric structure schematic diagram of the utility model, and
[0014] Figure 2 It is the first cross section structure schematic diagram of the utility model, and
[0015] Figure 3 It is the second cross section structure schematic diagram of the utility model, and
[0016] Figure 4 It is the third cross section structure schematic diagram of the utility model, and
[0017] Figure 5 It is the second axonometric structure schematic diagram of the utility model, and
[0018] Markings in the drawings: 1, rack;2, support frame;3, driving motor;4, synchronous belt transmission structure;5, hydraulic cylinder;6, pressure sensor;7, horizontal moving platform;8, limiting slide rail;9, speed reducer;10, motor;11, worm;12, rotating platform;13, worm wheel;14, metal roller;15, brake disc;16, electric cylinder;17, brake pad;18, sealing plug;19, liquid adding bin;20, protective cover;21, handle;22, baffle;23, limiting column. DETAILED DESCRIPTION
[0019] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0020] EMBODIMENT
[0021] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The horizontal moving device is installed on the rack 1, the rotating device is installed on the horizontal moving device, and the adjusting device is installed on the rotating device;
[0022] First, the tire is installed on the support frame 2, then the driving motor 3 is started to transmit power to the tire through the synchronous belt transmission structure 4 to drive the tire to rotate, then the liquid of the required temperature is injected into the liquid injection bin 19, then the motor 10 is started to transmit power to the worm 11 through the speed reducer 9, the rotating platform 12 is driven to rotate by the cooperation of the worm 11 and the worm gear 13 to rotate the metal roller 14 to the required angle, then the protective cover 20 is rotated to shield the area where the tire is located, then the hydraulic cylinder 5 is controlled to extend to the right to push the metal roller 14 until the metal roller 14 contacts the tire, and the pushing force of the hydraulic cylinder 5 is controlled to complete the test;
[0023] The horizontal moving device includes a hydraulic cylinder 5, a pressure sensor 6, a horizontal moving platform 7 and a limiting slide rail 8, the hydraulic cylinder 5 is installed on the left end face of the rack 1, a group of limiting slide rails 8 are horizontally installed on the upper end face of the rack 1 in front and back respectively, the lower part of the horizontal moving platform 7 is connected with the two groups of limiting slide rails 8, and the moving end of the hydraulic cylinder 5 is connected with the left end face of the horizontal moving platform 7 through the pressure sensor 6;
[0024] The rotating device includes a speed reducer 9, a motor 10, a worm 11, a rotating platform 12 and a worm gear 13, the speed reducer 9 is installed on the front end face of the horizontal moving platform 7, the motor 10 is installed on the speed reducer 9, a cavity is arranged in the horizontal moving platform 7, the worm 11 is horizontally installed in the cavity of the horizontal moving platform 7, the output end of the speed reducer 9 is connected with the worm 11, the lower part of the rotating platform 12 is connected with the upper end face of the horizontal moving platform 7 through a bearing, the lower part of the rotating platform 12 extends to the inside of the horizontal moving platform 7 and the worm gear 13 is sleeved on the lower part of the rotating platform 12, and the worm gear 13 is meshed and connected with the worm 11;
[0025] The adjusting device includes a metal roller 14, a brake disc 15, an electric cylinder 16 and a brake pad 17, the metal roller 14 is installed on the upper part of the rotating platform 12 through a rotating shaft and a bearing, the rotating shaft connected with the metal roller 14 penetrates through the front end face and the rear end face of the rotating platform 12 in front and back respectively, two groups of brake discs 15 are sleeved on the two ends of the rotating shaft respectively, a group of electric cylinders 16 is installed on the front and rear end faces of the rotating platform 12 respectively, and the moving end of the electric cylinder 16 is provided with the brake pad 17;
[0026] It also includes a sealing plug 18 and a liquid injection bin 19, the liquid injection bin 19 is arranged in the metal roller 14, a through hole is formed in the side face of the metal roller 14 and communicates with the liquid injection bin 19, and the sealing plug 18 is installed on the through hole.
[0027] The frame 1 further includes a protective cover 20, a handle 21, a baffle 22, and a limiting column 23. The protective cover 20 is mounted on the right side of the frame 1 via a rotating shaft. A set of baffles 22 are provided at the lower part of the front and rear end surfaces of the protective cover 20. Two sets of limiting columns 23 are respectively installed on the right side of the front and rear end surfaces of the frame 1. The baffle 22 is located between the two sets of limiting columns 23. A set of handles 21 is installed on the rear end surface of the protective cover 20.
[0028] The lateral movement device provides pressure to the tire, and the rotating device simulates the situation where the aircraft is landing in a non-horizontal state with a certain angle between the tire and the ground; the temperature of the rotating device is changed by the adjustment device to facilitate the simulation of ground conditions with different temperatures, thereby improving the practicality of the device.
[0029] The hydraulic cylinder 5, pressure sensor 6, reducer 9, motor 10 and electric cylinder 16 of the aviation tire pressure test device of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative efforts.
[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. An aircraft tire pressure test device; characterized in that: The invention comprises a transverse movement device, a rotation device and an adjustment device, wherein the transverse movement device is mounted on a frame (1), the rotation device is mounted on the transverse movement device, and the adjustment device is mounted on the rotation device; the invention also comprises a sealing plug (18) and a liquid adding bin (19), wherein the liquid adding bin (19) is arranged in the metal roller (14), a through hole is opened on the side of the metal roller (14) and is communicated with the liquid adding bin (19), and a sealing plug (18) is mounted on the through hole.
2. The aircraft tire pressure test device according to claim 1, characterized in that: The transverse movement device comprises a hydraulic cylinder (5), a pressure sensor (6), a transverse movement platform (7) and a limit slide rail (8). The hydraulic cylinder (5) is installed on the left end surface of the frame (1). A group of limit slide rails (8) are horizontally installed at the front and rear of the middle part of the upper end surface of the frame (1). The lower part of the transverse movement platform (7) is connected to the two groups of limit slide rails (8). The moving end of the hydraulic cylinder (5) is connected to the left end surface of the transverse movement platform (7) through the pressure sensor (6).
3. The aircraft tire pressure test device according to claim 2, characterized in that: The rotating device includes a reducer (9), a motor (10), a worm (11), a rotating platform (12) and a worm wheel (13). The reducer (9) is installed on the front end surface of the transverse platform (7), the motor (10) is installed on the reducer (9), a chamber is provided in the transverse platform (7), a worm (11) is horizontally installed in the chamber of the transverse platform (7), the output end of the reducer (9) is connected to the worm (11), the lower part of the rotating platform (12) is connected to the upper end surface of the transverse platform (7) through a bearing, the lower part of the rotating platform (12) extends to the interior of the transverse platform (7) and the worm wheel (13) is mounted on the lower part of the rotating platform (12), and the worm wheel (13) is meshed with the worm (11).
4. The aircraft tire pressure test device according to claim 3, characterized in that: The adjusting device comprises a metal roller (14), a brake disc (15), an electric cylinder (16), and a brake pad (17). The rotating shaft connected to the metal roller (14) passes through the front end face and the rear end face of the rotating platform (12) respectively. Two sets of brake discs (15) are respectively mounted on the two ends of the rotating shaft. A set of electric cylinders (16) are respectively mounted on the front and rear end faces of the rotating platform (12). The brake pad (17) is mounted on the movable end of the electric cylinder (16).
5. The aircraft tire pressure test device according to claim 1, characterized in that: The utility model also comprises a protective cover (20), a handle (21), a baffle (22) and a limiting column (23). The right part of the frame (1) is provided with the protective cover (20) through a rotating shaft. A group of baffles (22) are provided at the lower part of the front and rear end surfaces of the protective cover (20). Two groups of limiting columns (23) are respectively installed at the right part of the front and rear end surfaces of the frame (1). The baffle (22) is located between the two groups of limiting columns (23). A group of handles (21) is installed on the rear end surface of the protective cover (20).