Tire test loading force measuring platform and loading device thereof

Abstract

The invention relates to the technical field of aerospace tire tests, in particular to a tire test loading force measuring platform and a loading device thereof, which comprises a force measuring sensor, a force measuring base connected with the force measuring sensor, a force measuring top seat connected with the input end of the force measuring sensor and a power mechanism, the force measuring base is in driving connection with a loading head, and the loading head is used for installing a to-be-measured tire; according to the invention, the stress of the to-be-tested tire in the test can be accurately measured and controlled, the stress of the to-be-tested tire can be accurately measured, and the characteristics of aviation tire mechanics, dynamic operation, brake response, friction coefficient and the like can be accurately evaluated.

Description

Technical Field

[0001] The invention relates to the technical field of aerospace tire testing, and in particular to a tire testing loading and force measuring platform and a loading device thereof. Background Art

[0002] In order to ensure the safety of aircraft tires during use, aircraft tires need to simulate complex mechanical environments under extreme operating conditions such as aircraft catapult takeoff, ski-jump takeoff, landing, roll, yaw, and aborted takeoff. Therefore, during the research and development and production process, aircraft tires need to undergo large-load, high-acceleration tire dynamic characteristics tests, tire wear performance tests, tire braking, and other tire characteristics tests.

[0003] Since it is difficult to accurately measure the force on the tire under test, it is impossible to accurately evaluate the mechanical properties, dynamic operation, braking response, friction coefficient and other characteristics of aviation tires, which makes it inconvenient to provide test methods for the study of new synthetic rubber materials and other natural rubber tire characteristics. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a tire test loading and force measuring platform and a loading device thereof, which are conducive to accurately measuring and controlling the force applied to the tire to be tested in the test, can accurately measure the force applied to the tire to be tested, and can accurately evaluate the mechanics, dynamic operation, braking response, friction coefficient and other characteristics of aviation tires.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The present invention provides a tire test loading force measuring platform, comprising a force measuring base, a force measuring top base, a force measuring sensor connected between the force measuring base and the force measuring top base, and a power mechanism, wherein the power mechanism is drivingly connected to the force measuring top base, the force measuring base is drivingly connected to a loading head, and the loading head is used for installing a tire to be tested.

[0007] The power mechanism comprises a yaw mechanism and a main loading mechanism, the yaw mechanism comprises a yaw mounting frame, a yaw drive mechanism mounted on the yaw mounting frame, and a yaw rotating body drivingly connected to the yaw drive mechanism, and the yaw rotating body is drivingly connected to the force measuring top seat;

[0008] The yaw rotating body is rotatably connected to the yaw mounting frame, and the yaw driving mechanism is used to drive the yaw rotating body to rotate horizontally;

[0009] The main loading mechanism is drivingly connected to the yaw rotating body, and the main loading mechanism is used to drive the yaw rotating body to move up and down.

[0010] The yaw mounting frame is provided with a first mounting groove and a second mounting groove, the first mounting groove and the second mounting groove are both provided with bearings, and the yaw rotating body is installed in the first mounting groove and the second mounting groove through the bearings.

[0011] Wherein, the yaw drive mechanism comprises a rotating body driving unit, and a yaw limiter drivingly connected to the rotating body driving unit, and the yaw limiter is connected to the yaw rotating body;

[0012] The yaw drive mechanism also includes a yaw connecting plate connected to the yaw mounting frame, the yaw connecting plate is installed with a first yaw limit block and a second yaw limit block, the yaw limit body is located and moves within a travel range between the first yaw limit block and the second yaw limit block, and the first yaw limit block and the second yaw limit block are used to limit the yaw limit body.

[0013] Wherein, the tire test loading force measuring platform further comprises a loading adjustment mechanism, and the loading adjustment mechanism is connected to the loading head;

[0014] The loading adjustment mechanism comprises a loading adjustment frame, a loading adjustment driving mechanism, a loading locking assembly and an adjustment pad, wherein the loading adjustment frame is connected to the force measuring base, and the loading adjustment driving mechanism is used to adjust the space between the loading adjustment frame and the loading head, so as to increase or decrease the installation of the adjustment pad;

[0015] The loading locking assembly is used to lock the loading adjustment frame, the adjustment pad and the loading head to eliminate the gap between the loading adjustment frame, the adjustment pad and the loading head.

[0016] Among them, the loading and adjustment driving mechanism includes a loading screw threadedly connected to the loading head and a screw rotation driving unit drivingly connected to the loading screw. The screw rotation driving unit is installed on the loading adjustment frame. The screw rotation driving unit drives the loading screw to rotate so that the loading head moves up and down.

[0017] Among them, a pad installation groove and a pad positioning portion are respectively arranged on two opposite sides of the adjusting pad, the loading head is provided with a loading installation groove, the pad positioning portion is installed in cooperation with the loading installation groove, two adjacent adjusting pads are installed by using the pad installation groove and the pad positioning portion to cooperate with each other, the loading adjustment frame is provided with an adjustment frame installation groove, an adjustment frame installation block is detachably installed in the adjustment frame installation groove, and the adjustment frame installation block is installed in cooperation with the pad installation groove.

[0018] The present invention also provides a tire test loading device, which includes a mounting main frame connected to the yaw mounting frame and a roll mechanism for driving the mounting main frame to swing;

[0019] The main loading mechanism is connected to the main mounting frame, and the yaw mounting frame is slidably connected to the main mounting frame.

[0020] Wherein, the roll mechanism includes a roll frame and a roll drive mechanism, the roll drive mechanism is connected to the roll frame, the roll drive mechanism is drive-connected to the mounting main frame, and the roll drive mechanism is used to drive the mounting main frame to swing so as to make the yaw rotating body swing.

[0021] Wherein, the roll mechanism further includes a roll locking assembly, which includes a roll separation plate, a connecting plate mounted on the mounting main frame, a locking member for locking the roll separation plate to the connecting plate, and a fixing member for locking the roll separation plate to the roll frame;

[0022] When in the locking state, the locking member releases the locking of the roll separation plate and the connecting plate, and the fixing member locks the roll frame and the roll separation plate; and makes the roll separation plate fit with the roll frame;

[0023] When roll adjustment is required from a locked state, the fixing member releases the lock between the roll frame and the roll separation plate, and the locking member locks the roll separation plate and the connecting plate, so that a gap exists between the roll separation plate and the roll frame, and the roll separation plate and the connecting plate are fitted together.

[0024] Among them, the roll locking assembly also includes a roll guide column, the roll separation plate is provided with a roll matching hole, the roll guide column extends into the roll matching hole and matches with the roll matching hole, the roll frame is provided with a roll guide hole, the locking piece and the roll guide column can both pass through the roll guide hole, and when the mounting main frame tilts and swings, the roll guide column moves along the roll guide hole.

[0025] Wherein, the roll frame is provided with a plurality of roll locking holes, the roll separation plate is provided with a plurality of separation locking holes, and the fixing member locks the roll frame and the roll separation plate after passing through the roll locking holes and the separation locking holes;

[0026] The roll locking assembly also includes a detection switch, which is connected to the connecting plate. The detection switch is used to detect the gap between the roll separation plate and the connecting plate before the main frame is installed to roll and swing.

[0027] Beneficial effects of the present invention:

[0028] In actual application, the load is applied to the force measuring base through the power mechanism, which is conducive to accurately measuring and controlling the force of the tire to be tested in the test. It can accurately measure the force of the tire to be tested, and can accurately evaluate the mechanics, dynamic operation, braking response, friction coefficient and other characteristics of aviation tires, which is convenient for providing experimental means for the study of new synthetic rubber materials and other natural rubber tire characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of the explosion structure of the force measurement platform for this tire test.

[0030] Figure 2 It is a schematic diagram of the three-dimensional structure of the power mechanism.

[0031] Figure 3 It is a schematic diagram of the three-dimensional structure in which the yaw mounting frame and the yaw connector are separated.

[0032] Figure 4 It is a schematic diagram of the explosion structure of the yaw drive mechanism and the yaw rotor.

[0033] Figure 5 It is a schematic diagram of the connection structure between the yaw drive mechanism and the yaw connecting plate.

[0034] Figure 6 It is a schematic diagram of the three-dimensional structure of the loading adjustment mechanism and the tire to be tested.

[0035] Figure 7 It is a schematic diagram of the exploded structure with a loading adjustment drive mechanism, a loading head and a loading adjustment frame.

[0036] Figure 8 It is an exploded structural diagram of a loading adjustment frame, an adjustment pad, a loading head and a loading locking assembly.

[0037] Fig. 9 This is a schematic diagram of the three-dimensional structure of the tire test loading device.

[0038] Fig.10 It is a cross-sectional view of the structure including the main loading mechanism, yaw rotor, loading head and main mounting frame.

[0039] Fig.11 Schematic diagram of the exploded structure of the roll mechanism.

[0040] Fig.12 Schematic diagram of the exploded structure of the roll lock assembly.

[0041] Fig.13 It is a cross-sectional view of the structure when the roll frame and the main frame are installed and locked.

[0042] 01. Tire to be tested;

[0043] 100, force sensor; 101, force measuring base; 102, force measuring top base;

[0044] 1. Loading head;

[0045] 2. Power mechanism; 201. Yaw mechanism; 202. Main loading mechanism;

[0046] 21. Yaw mounting frame; 211. First mounting slot; 212. Second mounting slot;

[0047] 213. Bearings;

[0048] 22. Yaw driving mechanism; 221. Rotating body driving unit; 222. Yaw limiting body;

[0049] 223, yaw connection plate; 224, yaw first limit block; 225, yaw second limit block;

[0050] 23. Yaw rotating body;

[0051] 3. Loading adjustment mechanism;

[0052] 31. Loading adjustment frame; 311. Adjustment frame mounting slot; 312. Adjustment frame mounting block;

[0053] 32. Loading and adjusting driving mechanism;

[0054] 321. loading screw; 322. screw rotation driving unit;

[0055] 33. Loading and locking assembly; 34. Adjusting pad;

[0056] 341, pad installation groove; 342, pad positioning portion;

[0057] 400. Install the main frame;

[0058] 4. Tilt mechanism;

[0059] 41, roll frame; 411, roll guide hole; 412, roll locking hole;

[0060] 42. Roll drive mechanism;

[0061] 43. Roll lock assembly;

[0062] 431, roll separation plate; 4311, roll matching hole; 4312, separation locking hole;

[0063] 432, connecting plate; 433, locking member; 434, fixing member;

[0064] 435. Roll guide column; 436. Detection switch. DETAILED DESCRIPTION

[0065] To facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with examples and drawings. Specific implementation methods of the present invention will be described below. It should be pointed out that in the specific description of these implementation methods, in order to provide a concise description, this specification cannot provide a detailed description of all features of the actual implementation methods.

[0066] refer to Figures 1 to 13 As shown, the present invention provides a tire test loading force measuring platform, including a force measuring base 101, a force measuring top base 102, a force measuring sensor 100 connected between the force measuring base 101 and the force measuring top base 102, and a power mechanism 2, wherein the power mechanism 2 is drivingly connected to the force measuring top base 102, and the force measuring base 101 is drivingly connected to a loading head 1, and the loading head 1 is used to install a tire 01 to be tested.

[0067] refer to Figure 1 As shown, in actual application, the load is applied to the force measuring base 102 through the power mechanism 2, and the force is smoothly transmitted to the tire 01 to be tested through the force measuring base 102, the force measuring sensor 100, the force measuring base 101 and the loading head 1. The force measuring sensor 100 can adopt a three-component force sensor or a six-component force sensor, which is conducive to accurately measuring and controlling the force of the tire 01 to be tested in the test, and can accurately measure the force of the tire to be tested, and can accurately evaluate the mechanical properties, dynamic operation, braking response, friction coefficient and other properties of aviation tires, so as to provide experimental means for the study of new synthetic rubber materials and other natural rubber tire characteristics.

[0068] refer to Figure 2 As shown, in this embodiment, the power mechanism 2 includes a yaw mechanism 201 and a main loading mechanism 202. The yaw mechanism 201 includes a yaw mounting frame 21, a yaw driving mechanism 22 mounted on the yaw mounting frame 21, and a yaw rotating body 23 drivingly connected to the yaw driving mechanism 22. The yaw rotating body 23 is drivingly connected to the force measuring top seat 102; the yaw rotating body 23 is rotationally connected to the yaw mounting frame 21, and the yaw driving mechanism 22 is used to drive the yaw rotating body 23 to rotate horizontally; the main loading mechanism 202 is drivingly connected to the yaw rotating body 23, and the main loading mechanism 202 is used to drive the yaw rotating body 23 to move up and down.

[0069] In actual application, the yaw drive mechanism 22 adopts an oil cylinder. When a yaw test is performed, the yaw rotor 23 is driven to rotate by the yaw drive mechanism 22, and the force sensor 100 obtains the force condition of the tire 01 to be tested in the yaw test, simulating the working condition of the aviation tire in a yaw state; the main loading mechanism 202 adopts an oil cylinder, and the force sensor 100, the yaw rotor 23, the force measuring base 101, the force measuring top seat 102 and the loading head 1 are driven by the main loading mechanism 202 to move up and down, so as to increase or reduce the load on the tire 01 to be tested. The load applied by the main loading mechanism 202 is measured by the force sensor 100, and the vertical pressure of the tire 01 to be tested is controlled to simulate the pressure of the tire 01 to be tested when the aircraft is landing, so as to make it close to the working condition of the aviation tire on the aircraft during actual operation, so as to realize the loading test of the tire 01 to be tested.

[0070] refer to Figure 3As shown, in this embodiment, the yaw mounting frame 21 is provided with a first mounting groove 211 and a second mounting groove 212, and the first mounting groove 211 and the second mounting groove 212 are both provided with bearings 213. The yaw rotating body 23 is installed in the first mounting groove 211 and the second mounting groove 212 through the bearings 213, so that the yaw rotating body 23 rotates smoothly.

[0071] refer to Figure 4 As shown, in this embodiment, the yaw drive mechanism 22 includes a rotating body driving unit 221, and a yaw limiting body 222 drivingly connected to the rotating body driving unit 221, and the yaw limiting body 222 is connected to the yaw rotating body 23; Figure 5 As shown, the yaw drive mechanism 22 also includes a yaw connecting plate 223 connected to the yaw mounting frame 21, and the yaw connecting plate 223 is installed with a first yaw limit block 224 and a second yaw limit block 225. The yaw limit body 222 is movable within a travel range between the first yaw limit block 224 and the second yaw limit block 225, and the first yaw limit block 224 and the second yaw limit block 225 are used to limit the yaw limit body 222.

[0072] refer to Figure 2 , 3 As shown in Figures 4 and 5, the power mechanism 2 cleverly rotates and mounts the yaw rotor 23 on the yaw mounting frame 21, mounts the yaw drive mechanism 22 on the yaw mounting frame 21, and uses a yaw limiter 222 to connect with the yaw rotor 23, and limits the yaw angle, so that the yaw drive mechanism 22 drives the yaw rotor 23 to rotate, thereby driving the tire 01 to be tested on the loading head 1 to rotate for a yaw test.

[0073] refer to Figure 6 As shown, in this embodiment, the tire test loading force measuring platform also includes a loading adjustment mechanism 3, which is connected to the loading head 1; the loading adjustment mechanism 3 includes a loading adjustment frame 31, a loading adjustment drive mechanism 32, a loading locking assembly 33 and an adjusting pad 34, the loading adjustment frame 31 is connected to the force measuring base 101, the loading adjustment drive mechanism 32 is used to adjust the space between the loading adjustment frame 31 and the loading head 1, so as to increase or decrease the installation of the adjusting pad 34; the loading locking assembly 33 is used to lock the loading adjustment frame 31, the adjusting pad 34 and the loading head 1, so as to eliminate the gap between the loading adjustment frame 31, the adjusting pad 34 and the loading head 1.

[0074] refer to Figure 6 , 7As shown, in actual application, the installation space between the loading adjustment frame 31 and the loading head 1 is adjusted by the loading adjustment driving mechanism 32, thereby adjusting the number of adjustment pads 34 installed in the installation space, and then adjusting the installation height of the loading head 1 to adapt to the installation of tires 01 to be tested of different models and sizes; specifically, the loading locking assembly 33 adopts screws and nuts, and the loading adjustment frame 31, one or more adjustment pads 34 and the loading head 1 are locked by multiple screws and nuts to eliminate the gap between the loading adjustment frame 31, the adjustment pads 34 and the loading head 1, so as to make the structure stable and facilitate the transmission of force.

[0075] refer to Figure 7 As shown, in this embodiment, the loading adjustment drive mechanism 32 includes a loading screw 321 threadedly connected to the loading head 1 and a screw rotation drive unit 322 drivingly connected to the loading screw 321, and the screw rotation drive unit 322 is installed on the loading adjustment frame 31, and the screw rotation drive unit 322 drives the loading screw 321 to rotate so that the loading head 1 moves up and down; specifically, the screw rotation drive unit 322 can use a motor or a worm gear reducer mechanism shaken by a handwheel, and the worm gear reducer mechanism drives the loading screw 321 to rotate.

[0076] refer to Figure 8 As shown, in this embodiment, a pad installation groove 341 and a pad positioning portion 342 are respectively provided on two opposite sides of the adjusting pad 34, the loading head 1 is provided with a loading installation groove 101, and the pad positioning portion 342 is installed in cooperation with the loading installation groove 101, and two adjacent adjusting pads 34 are installed by using the pad installation groove 341 and the pad positioning portion 342 to cooperate with each other, and the loading adjustment frame 31 is provided with an adjustment frame installation groove 311, and an adjustment frame installation block 312 is detachably installed in the adjustment frame installation groove 311, and the adjustment frame installation block 312 is installed in cooperation with the pad installation groove 341, so that one or more adjusting pads 34, the loading head 1 and the loading adjustment frame 31 are easy to install, and adopt an inlaid connection structure of protrusions and grooves, the structure is stable, and the gap between them is eliminated, which is convenient for force transmission.

[0077] refer to Fig. 9 As shown, the present invention also provides a tire test loading device, which includes a mounting main frame 400 connected to a yaw mounting frame 21 and a roll mechanism 4 for driving the mounting main frame 400 to swing; the main loading mechanism 202 is connected to the mounting main frame 400, and the yaw mounting frame 21 is slidably connected to the mounting main frame 400.

[0078] In actual application, the roll mechanism 4 drives the mounting main frame 400 to swing so that the force sensor 100, the yaw rotor 23, the loading head 1 and the tire 01 to be tested swing synchronously, and the force sensor 100 is used to measure the force of the tire 01 to be tested in the roll test, simulating the working condition of the aircraft tire in the roll state; Fig.10 As shown, the main loading mechanism 202 drives the yaw rotor 23 and the yaw mounting frame 21 to slide on the main mounting frame 400, and the structure is compact.

[0079] refer to Fig.11 As shown, in this embodiment, the roll mechanism 4 includes a roll frame 41 and a roll drive mechanism 42. The roll drive mechanism 42 is connected to the roll frame 41. The roll drive mechanism 42 is driven and connected to the mounting main frame 400. The roll drive mechanism 42 is used to drive the mounting main frame 400 to swing so that the yaw rotating body 23 swings.

[0080] refer to Figure 1 , 2 As shown in Figures 9, 10 and 11, in actual application, the main frame 400 is driven to swing by the roll drive mechanism 42, so as to drive the force sensor 100, the yaw rotor 23, the force measuring base 101, the force measuring top seat 102, the loading head 1 and the power mechanism 2 to swing, so that the tire 01 to be tested swings to simulate the roll test of the aviation tire. Specifically, the roll drive mechanism 42 can be a cylinder.

[0081] refer to Fig.12 As shown, in this embodiment, the roll mechanism 4 also includes a roll locking assembly 43, and the roll locking assembly 43 includes a roll separation plate 431, a connecting plate 432 installed on the main mounting frame 400, a locking member 433 for locking the roll separation plate 431 to the connecting plate 432, and a fixing member 434 for locking the roll separation plate 431 to the roll frame 41.

[0082] refer to Fig. 9 , 11 As shown, in actual application, the roll locking assembly 43 can be set as two groups, which are respectively connected to the two ends of the swing center of the mounting main frame 400 to improve the connection stability of the mounting main frame 400. Fig.12 As shown, when it is necessary to lock the roll frame 41 and the roll separation plate 431, first release the lock between the roll separation plate 431 and the connecting plate 432 by the locking member 433, and then use the fixing member 434 to lock the roll frame 41 and the roll separation plate 431; and make the roll separation plate 431 fit with the roll frame 41.

[0083] refer to Fig.13As shown, the gap between the roll separation plate 431 and the roll frame 41 is successfully eliminated, so that the roll separation plate 431 is tightly connected to the roll frame 41, and the main frame 400 is stably locked on the roll frame 41 through the roll separation plate 431, so as to prevent the main frame 400 and the roll frame 41 from shaking, thereby improving the locking stability of the main frame 400; Fig.12 As shown, when it is necessary to adjust the roll from the locked state, first release the lock of the roll frame 41 and the roll separation plate 431 by the fixing member 434, and then use the locking member 433 to lock the roll separation plate 431 and the connecting plate 432; so that there is a gap between the roll separation plate 431 and the roll frame 41, and the roll separation plate 431 and the connecting plate 432 are fitted together, and by changing the position of the roll separation plate 431, a space for smooth swinging is provided between the mounting main frame 400 and the roll frame 41, so as to prevent the roll frame 41 from rubbing with the mounting main frame 400 during the roll process, reduce the influence of friction on the roll process, and ensure the accuracy of the roll test.

[0084] refer to Fig.12 As shown, in this embodiment, the roll locking assembly 43 also includes a roll guide column 435, the roll separation plate 431 is provided with a roll matching hole 4311, the roll guide column 435 extends into the roll matching hole 4311 and matches with the roll matching hole 4311, the roll frame 41 is provided with a roll guide hole 411, the locking member 433 and the roll guide column 435 can both pass through the roll guide hole 411, when the mounting main frame 400 tilts and swings, the roll guide column 435 moves along the roll guide hole 411 to smoothly guide the roll of the mounting main frame 400.

[0085] refer to Fig.12 , 13As shown, in this embodiment, the roll frame 41 is provided with a plurality of roll locking holes 412, and the roll separation plate 431 is provided with a plurality of separation locking holes 4312. The fixing member 434 passes through the roll locking holes 412 and the separation locking holes 4312 to lock the roll frame 41 and the roll separation plate 431; the roll locking assembly 43 also includes a detection switch 436, and the detection switch 436 is connected to the connecting plate 432. The detection switch 436 is used to detect the gap between the roll separation plate 431 and the connecting plate 432 before the main frame 400 is installed to tilt and swing. When the detection switch 436 detects that there is no gap between the roll separation plate 431 and the connecting plate 432, it means that the fixing member 434 has released the locking of the roll frame 41 and the roll separation plate 431, and the locking member 433 locks the roll separation plate 431 and the connecting plate 432 to prevent the roll frame 41 and the roll separation plate 431 from being in a locked state, and there is no gap between the roll separation plate 431 and the roll frame 41, resulting in friction between the roll separation plate 431 and the roll frame 41, and forceful startup destroys the equipment, or fails to start, making the equipment operation more reliable.

[0086] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent changes and modifications made to the above embodiments according to the technology of the present invention are within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. A tire test loading force measurement platform, characterized in that: The invention comprises a force measuring base (101), a force measuring top base (102), a force measuring sensor (100) connected between the force measuring base (101) and the force measuring top base (102), and a power mechanism (2); the power mechanism (2) is drivingly connected to the force measuring top base (102); the force measuring base (101) is drivingly connected to a loading head (1); and the loading head (1) is used to install a tire (01) to be tested.

2. The tire test loading force measuring platform according to claim 1, characterized in that: The power mechanism (2) comprises a yaw mechanism (201) and a main loading mechanism (202); the yaw mechanism (201) comprises a yaw mounting frame (21), a yaw driving mechanism (22) mounted on the yaw mounting frame (21), and a yaw rotating body (23) drivingly connected to the yaw driving mechanism (22); the yaw rotating body (23) is drivingly connected to a force measuring top seat (102); The yaw rotating body (23) is rotatably connected to the yaw mounting frame (21), and the yaw driving mechanism (22) is used to drive the yaw rotating body (23) to rotate horizontally; The main loading mechanism (202) is drivingly connected to the yaw rotating body (23), and the main loading mechanism (202) is used to drive the yaw rotating body (23) to move up and down.

3. The tire test loading force measuring platform according to claim 2, characterized in that: The yaw mounting frame (21) is provided with a first mounting groove (211) and a second mounting groove (212), the first mounting groove (211) and the second mounting groove (212) are both provided with bearings (213), and the yaw rotating body (23) is mounted on the first mounting groove (211) and the second mounting groove (212) via the bearings (213).

4. The tire test loading force measuring platform according to claim 2, characterized in that: The yaw drive mechanism (22) comprises a rotating body drive unit (221), and a yaw limiter (222) drivingly connected to the rotating body drive unit (221), wherein the yaw limiter (222) is connected to the yaw rotating body (23); The yaw drive mechanism (22) further comprises a yaw connection plate (223) connected to the yaw mounting frame (21); a first yaw limit block (224) and a second yaw limit block (225) are mounted on the yaw connection plate (223); the yaw limit body (222) is movable within a travel range between the first yaw limit block (224) and the second yaw limit block (225); the first yaw limit block (224) and the second yaw limit block (225) are used to limit the yaw limit body (222).

5. The tire test loading force measuring platform according to claim 1, characterized in that: The tire test loading force measurement platform further comprises a loading adjustment mechanism (3), wherein the loading adjustment mechanism (3) is connected to the loading head (1); The loading adjustment mechanism (3) comprises a loading adjustment frame (31), a loading adjustment driving mechanism (32), a loading locking assembly (33) and an adjustment pad (34); the loading adjustment frame (31) is connected to the force measuring base (101); the loading adjustment driving mechanism (32) is used to adjust the space between the loading adjustment frame (31) and the loading head (1) so as to increase or decrease the installation of the adjustment pad (34); The loading locking assembly (33) is used to lock the loading adjustment frame (31), the adjustment pad (34) and the loading head (1) to eliminate the gap between the loading adjustment frame (31), the adjustment pad (34) and the loading head (1).

6. The tire test loading force measuring platform according to claim 5, characterized in that: The loading adjustment driving mechanism (32) comprises a loading screw (321) threadedly connected to the loading head (1) and a screw rotation driving unit (322) drivingly connected to the loading screw (321); the screw rotation driving unit (322) is mounted on the loading adjustment frame (31); the screw rotation driving unit (322) drives the loading screw (321) to rotate, so that the loading head (1) moves up and down.

7. The tire test loading force measuring platform according to claim 5, characterized in that: The two opposite sides of the adjusting pad block (34) are respectively provided with a pad block installation groove (341) and a pad block positioning portion (342); the loading head (1) is provided with a loading installation groove (101); the pad block positioning portion (342) is installed in cooperation with the loading installation groove (101); two adjacent adjusting pad blocks (34) are installed in cooperation with the pad block installation groove (341) and the pad block positioning portion (342); the loading adjusting frame (31) is provided with an adjusting frame installation groove (311); an adjusting frame installation block (312) is detachably installed in the adjusting frame installation groove (311); the adjusting frame installation block (312) is installed in cooperation with the pad block installation groove (341).

8. A tire test loading device, according to the tire test loading force measurement platform of claim 2, characterized in that: The tire test loading device comprises a mounting main frame (400) connected to a yaw mounting frame (21) and a roll mechanism (4) for driving the mounting main frame (400) to swing; The main loading mechanism (202) is connected to the main mounting frame (400), and the yaw mounting frame (21) is slidably connected to the main mounting frame (400).

9. The tire test loading device according to claim 8, characterized in that: The roll mechanism (4) comprises a roll frame (41) and a roll drive mechanism (42), wherein the roll drive mechanism (42) is connected to the roll frame (41), the roll drive mechanism (42) is drive-connected to the mounting main frame (400), and the roll drive mechanism (42) is used to drive the mounting main frame (400) to swing, so as to cause the yaw rotating body (23) to swing.

10. The tire test loading device according to claim 9, characterized in that: The roll mechanism (4) further comprises a roll locking assembly (43), wherein the roll locking assembly (43) comprises a roll separation plate (431), a connecting plate (432) mounted on the mounting main frame (400), a locking member (433) for locking the roll separation plate (431) to the connecting plate (432), and a fixing member (434) for locking the roll separation plate (431) to the roll frame (41); When in the locked state, the locking member (433) releases the locking of the roll separation plate (431) and the connecting plate (432), and the fixing member (434) locks the roll frame (41) and the roll separation plate (431); and the roll separation plate (431) and the roll frame (41) are made to fit together; When it is necessary to adjust the roll from the locked state, the fixing member (434) releases the lock between the roll frame (41) and the roll separation plate (431), and the locking member (433) locks the roll separation plate (431) and the connecting plate (432), so that a gap exists between the roll separation plate (431) and the roll frame (41), and the roll separation plate (431) and the connecting plate (432) are in close contact with each other.

11. The tire test loading device according to claim 10, characterized in that: The roll locking assembly (43) also includes a roll guide column (435), the roll separation plate (431) is provided with a roll matching hole (4311), the roll guide column (435) extends into the roll matching hole (4311) and matches with the roll matching hole (4311), the roll frame (41) is provided with a roll guide hole (411), both the locking member (433) and the roll guide column (435) can pass through the roll guide hole (411), and when the mounting main frame (400) rolls and swings, the roll guide column (435) moves along the roll guide hole (411).

12. The tire test loading device according to claim 11, characterized in that: The roll frame (41) is provided with a plurality of roll locking holes (412), the roll separation plate (431) is provided with a plurality of separation locking holes (4312), and the fixing member (434) passes through the roll locking holes (412) and the separation locking holes (4312) to lock the roll frame (41) and the roll separation plate (431); The roll locking assembly (43) further comprises a detection switch (436), wherein the detection switch (436) is connected to the connecting plate (432), and the detection switch (436) is used to detect the gap between the roll separation plate (431) and the connecting plate (432) before the main frame (400) is installed to roll and swing.

Images