Vehicle brake particle test loading system

Abstract

The present invention provides a vehicle brake particle test loading system, including a power device, a brake disc test spindle device, a brake caliper support system, and a brake force application system; the brake disc test spindle device includes a brake disc mounting spindle, and the brake disc is mounted on the brake disc mounting spindle; the power device is arranged on one side of the brake disc test spindle device, and the power device is used to drive the brake disc mounting spindle to rotate; the brake caliper support system is arranged on one side of the brake disc, and the brake caliper support system is used to brake the brake disc; the brake force application system is arranged on one side of the brake caliper support system, and the brake force application system is used to provide the brake caliper support system with the power required for force application. Beneficial effects of the present invention: the vehicle brake particle test loading system is fully functional, and each part is a modular design, which can meet the tests of brake wear particle testing, brake system braking performance testing, and brake system life testing.

Description

Technical Field

[0001] The invention belongs to the field of automobile testing equipment, and in particular relates to a vehicle brake particle test loading system. Background Art

[0002] A large part of environmental pollutants comes from motor vehicle emissions. With the increase in the number of cars, the emission of wear particles from the vehicle braking system will increase day by day. Moreover, the brake wear particles contain many chemical components that affect human health. Therefore, vehicle brake wear particles not only cause environmental pollution, but also have a great impact on human health. At present, there are many types of brake linings, and the types and contents of product materials from different manufacturers are also different. There has been no systematic experimental research on various types of brake lining wear particles. Therefore, it is necessary to develop a vehicle brake particle test loading system. Summary of the invention

[0003] In view of this, the present invention aims to provide a vehicle brake particulate matter test loading system to at least solve at least one problem in the background technology.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] Vehicle brake particle test loading system, including power unit, brake disc test spindle device, brake caliper support system, brake force system;

[0006] The brake disc test spindle device comprises a brake disc mounting spindle, on which the brake disc is mounted;

[0007] The power device is arranged on one side of the brake disc test spindle device, and the power device is used to drive the brake disc installation spindle to rotate;

[0008] The brake caliper support system is arranged on one side of the brake disc, and the brake caliper support system is used to brake the brake disc;

[0009] The brake force application system is arranged on one side of the brake caliper supporting system, and the brake force application system is used to provide the brake caliper supporting system with power required for force application.

[0010] Furthermore, the brake disc test spindle device also includes a bearing seat, and two bearing seats are provided. The two bearing seats are respectively arranged at two ends of the brake disc mounting spindle, and the two ends of the brake disc mounting spindle are mounted on the bearing seats through bearings.

[0011] Furthermore, the power device includes a driving motor, and the end of the brake disc mounting shaft close to the driving motor extends to the outside of the bearing seat. A pulley is provided at the end of the brake disc mounting shaft close to the driving motor, and the driving motor drives the brake disc mounting shaft to rotate through a belt.

[0012] Further, the brake caliper support system includes a brake system support frame, a first brake reaction arm, a first brake caliper upper mounting support, a first brake caliper, a first brake connecting rod, a first brake caliper force arm, and a first brake caliper lower mounting support;

[0013] A circular through hole connected to the mounting platform is provided at the bottom of the brake system support frame, and the first brake reaction arm, the first brake caliper upper mounting support and the first brake caliper lower mounting support are fixed to the brake system support frame through clamping plates and bolts;

[0014] A rotating connection part is arranged on the side of the brake system support frame, a first brake caliper force arm is arranged through the rotating connection part, and the first brake caliper force arm is hinged to the rotating connection part;

[0015] The first brake caliper force arm is provided with a first connecting hole and a second connecting hole, the first brake caliper force arm is connected to the brake force application system through the first connecting hole, and the first brake caliper force arm is hinged to the first end of the first brake connecting rod through the second connecting hole;

[0016] Also included is a supporting connector, the supporting connector including an upper connecting hole, a lower connecting hole, a first connecting ear plate, a second connecting ear plate, a third connecting ear plate and a fourth connecting ear plate;

[0017] The first brake caliper upper mounting support is a symmetrical structure, and a connecting rod is arranged on the first brake caliper upper mounting support, and the connecting rod passes through the upper connecting hole;

[0018] The first brake caliper lower mounting support is a symmetrical structure, and a connecting rod is arranged on the first brake caliper lower mounting support, and the connecting rod passes through the lower connecting hole;

[0019] It also includes a transmission plate, wherein the upper and lower parts of the center of the transmission plate are respectively hinged to the second connecting ear plate and the fourth connecting ear plate, and the two sides of the transmission plate are respectively a first end and a second end, the first end of the transmission plate is hinged to the second end of the first brake connecting rod through a latch, the upper part of the first end of the transmission plate is also hinged to the first brake reaction arm through a lifting ring, and the second end of the transmission plate is connected to the first end of the transmission unit;

[0020] The transmission plates are provided with two pieces, the first brake calipers are provided with two pieces, the second end of the transmission unit is connected to the second end of the transmission plate, and the upper and lower parts of the central part of the transmission plate are hinged to the first connecting ear plate and the third connecting ear plate respectively;

[0021] The inner sides of the first ends of the two transmission plates are connected with first brake calipers.

[0022] Furthermore, the transmission unit comprises a reverse equidistant synchronous transmission device, wherein a first end and a second end of the reverse equidistant synchronous transmission device are respectively a driving end and a driven end.

[0023] Further, the brake force application system includes a brake force application actuator support seat, a brake force application actuator, a brake force application actuator force sensor and a brake force application actuator connecting rod;

[0024] The brake force actuator support seat is fixed on the mounting platform by bolts, the brake force actuator is fixed on the brake force actuator support seat by bolts, the brake force actuator force sensor is installed on the front end of the force rod of the force actuator connecting rod by threaded connection, and the brake force actuator force sensor is rotatably connected with the force actuator connecting rod by a pin shaft;

[0025] The end of the force actuator connecting rod is hinged to the first connecting hole of the first brake caliper force arm;

[0026] The brake force actuator support seat is a box-type welded structural member, which is welded from steel plates. The lower bottom surface of the brake force actuator support seat is provided with a circular through hole for connecting to the mounting platform, and the upper end surface is provided with a threaded hole for connecting the brake force actuator.

[0027] Compared with the prior art, the vehicle brake particle test loading system of the present invention has the following beneficial effects:

[0028] The vehicle brake particle test loading system described in the present invention is fully functional, and each part is designed in a modular manner. It can meet the tests of brake wear particle testing, brake system brake performance testing, brake system life testing, etc. The test installation is convenient and quick, and the test of different types of vehicle brake systems can be met by adjusting the combination of the flywheel group. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0030] Figure 1 is an axonometric projection diagram of the vehicle brake particle test loading system of the present invention;

[0031] Figure 2 It is an axonometric projection diagram of the vehicle brake particulate matter test loading system of the present invention without the temperature regulation and particulate matter collection system;

[0032] Figure 3 It is an axonometric projection diagram of a driving inertia system in a vehicle brake particle test loading system according to the present invention;

[0033] Figure 4 It is a reverse axonometric projection diagram of a driving inertia system in a vehicle brake particle test loading system according to the present invention;

[0034] Figure 5It is an axonometric projection diagram of a rotation speed measuring device in a vehicle brake particle test loading system according to the present invention;

[0035] Figure 6 It is an axonometric projection diagram of a flywheel assembly support bearing seat in the vehicle brake particle test loading system of the present invention;

[0036] Figure 7 It is an axonometric projection diagram of a brake disc test spindle device in a vehicle brake particle test loading system according to the present invention;

[0037] Figure 8 It is an axonometric projection diagram of the vibration bearing seat in the vehicle brake particle test loading system of the present invention;

[0038] Fig. 9 It is an axonometric projection diagram of a brake caliper support system in a vehicle brake particle test loading system according to the present invention;

[0039] Fig.10 It is an axonometric projection diagram of the vertical excitation system in the vehicle brake particle test loading system of the present invention;

[0040] Fig.11 It is an axonometric projection diagram of a brake force application system in a vehicle brake particle test loading system according to the present invention;

[0041] Fig.12 It is an axonometric projection diagram of a brake disc temperature measuring device in a vehicle brake particle test loading system according to the present invention;

[0042] Fig.13 It is an axonometric projection diagram of the temperature regulation and particle collection system in the vehicle brake particle test loading system of the present invention;

[0043] Fig.14 It is a schematic diagram of another implementation mode of removing the driving inertia system and the excitation system in the vehicle brake particle test loading system of the present invention;

[0044] Fig.15 The vehicle brake particle test loading system of the present invention is Fig. 9 A first detailed enlarged schematic diagram;

[0045] Fig.16 The vehicle brake particle test loading system of the present invention is Fig. 9 A second detailed enlarged schematic diagram;

[0046] Fig.17 The vehicle brake particle test loading system of the present invention is Fig. 9 A third enlarged schematic diagram of a detail;

[0047] Fig.18 The vehicle brake particle test loading system of the present invention is Fig. 9 An enlarged schematic diagram of the supporting connection.

[0048] Description of reference numerals:

[0049] 1. Installation platform; 2. Control system; 3. Temperature regulation and particle collection system; 4. Drive inertia system; 5. Brake disc test spindle device; 6. First brake force system; 7. Brake caliper support system; 8. Second brake force system; 9. Vertical excitation system; 10. First brake disc temperature measuring device; 11. Second brake disc temperature measuring device; 12. Flywheel assembly spindle; 13. First flywheel assembly support bearing seat; 14. Second flywheel assembly support bearing seat; 15. First flywheel; 16. Second flywheel; 17. Third flywheel; 18. Fourth flywheel; 19. Inertia system synchronous pulley; 20. Transmission synchronous belt; 21. Drive motor; 22. Drive synchronous pulley; 23. Speed ​​measuring device; 24. First flywheel brake device; 25 , second flywheel brake device; 26, third flywheel brake device; 27, fourth flywheel brake device; 28, expansion sleeve; 29, speed sensor support seat; 30, speed sensor; 31, bearing seat base; 32, bearing seat cover; 33, first bearing seat end cover; 34, first support bearing; 35, second support bearing; 36, second bearing seat end cover; 37, inertia system connecting shaft; 38, brake disc; 39, brake disc mounting spindle; 40, vibration bearing seat; 41, torque meter; 42, torque meter support seat; 43, vibration bearing seat base; 44, vibration bearing seat cover; 45, vibration bearing seat bearing; 46, first vibration bearing seat end cover; 47, second vibration bearing seat end cover; 48, brake system support frame; 4 81. Rotating connection part; 482. First connection hole; 483. Second connection hole; 484. Support connection member; 4841. Upper connection hole; 4842. Lower connection hole; 4843. First connection ear plate; 4844. Second connection ear plate; 4845. Third connection ear plate; 4846. Fourth connection ear plate; 485. Connecting rod; 486. Transmission plate; 487. Reverse equidistant synchronous transmission device; 488. Lifting ring; 49. First brake reaction arm; 50. First brake caliper upper mounting bracket; 51. First brake caliper; 52. First brake connecting rod; 53. First brake caliper force arm; 54. First brake caliper lower mounting bracket; 55. Second brake caliper; 56. Second brake connecting rod; 57. Second brake reaction arm; 58. Second Brake caliper upper mounting support; 59, second brake caliper force arm; 60, second brake caliper lower mounting support; 61, vertical excitation actuator support seat; 62, vertical excitation actuator; 63, vertical excitation force sensor; 64, first vertical excitation connecting rod; 65, turning arm support; 66, vertical excitation turning arm; 67, second vertical excitation connecting rod; 68, brake force actuator support seat; 69, brake force actuator; 70, brake force actuator force sensor; 71, force actuator connecting rod; 72, magnetic seat; 73, support rod; 74, locking nut; 75, plate spring; 76, temperature sensor; 77, temperature control system; 78, first filter; 79, heat preservation bin air inlet pipe; 80, heat preservation bin; 81, second filter;82. Insulation bin air outlet pipe; 83. Exhaust fan support; 84. Exhaust fan; 85. Exhaust duct; 86. First sampling tube; 87. Sampler; 88. Second sampling tube; 89. Particle analyzer. ; DETAILED DESCRIPTION

[0050] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0051] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0052] See also Figure 1 and Figure 2 The vehicle brake particle test loading system includes an installation platform 1, a control system 2, a temperature regulation and particle collection system 3, a driving inertia system 4, a brake disc test spindle device 5, a first brake force system 6, a brake caliper support system 7, a second brake force system 8, a vertical excitation system 9, a first brake disc temperature measuring device 10 and a second brake disc temperature measuring device 11;

[0053] The installation platform 1 provides an installation basis for the installation of the whole set of equipment. The temperature regulation and particle collection system 3, the driving inertia system 4, the brake disc test spindle device 5, the first brake force system 6, the brake caliper support system 7, the second brake force system 8, the vertical vibration excitation system 9, the first brake disc temperature measuring device 10 and the second brake disc temperature measuring device 11 are all installed on the installation platform 1. The control system 2 can control the speed of the driving motor 21 in the driving inertia system 4 through the frequency converter. The driving inertia system 4 is connected to the brake disc test spindle device 5 through a tightening sleeve, the vertical vibration excitation system 9 and the brake disc test spindle device 5 are connected through a pin shaft, the first brake force system 6 and the brake caliper support system 7 are connected through a pin shaft, and the second brake force system 8 and the brake caliper support system 7 are connected through a pin shaft; the temperature regulation and particle collection system 3 can provide different test temperatures for the brake disc test spindle device 5.

[0054] See also Figure 3 and Figure 4 The driving inertia system includes a flywheel assembly main shaft 12, a first flywheel assembly support bearing seat 13, a second flywheel assembly support bearing seat 14, a first flywheel 15, a second flywheel 16, a third flywheel 17, a fourth flywheel 18, an inertia system synchronous pulley 19, a transmission synchronous belt 20, a drive motor 21, a drive synchronous pulley 22, a speed measuring device 23, a first flywheel brake device 24, a second flywheel brake device 25, a third flywheel brake device 26, a fourth flywheel brake device 27 and a tightening sleeve 28;

[0055] The first flywheel 15, the second flywheel 16, the third flywheel 17 and the fourth flywheel 18 are connected to the flywheel assembly main shaft through a magnetic powder clutch, and the connection and disconnection of the flywheel and the flywheel main shaft 12 can be controlled by controlling the magnetic powder clutch. Different flywheel combinations can be selected according to the inertia force of different vehicles. The first flywheel assembly support bearing seat 13 and the second flywheel assembly support bearing seat 14 are rotatably connected to the flywheel assembly main shaft 12 through bearings. The first flywheel assembly support bearing seat 13 and the second flywheel assembly support bearing seat 14 are both installed on the mounting platform 1 by bolts;

[0056] The inertia system synchronous pulley 19 is connected to the flywheel group main shaft 12 through a key, the driving synchronous pulley 22 is connected to the driving motor 21 through a key, the inertia system synchronous pulley 19 and the driving synchronous pulley 22 are connected through a transmission synchronous belt 20, and the first flywheel brake device 24, the second flywheel brake device 25, the third flywheel brake device 26 and the fourth flywheel brake device 27 are fixed to the mounting platform 1 by bolts. The first flywheel 15 can be braked by adjusting the position of the first flywheel brake device 24, the second flywheel 16 can be braked by adjusting the position of the second flywheel brake device 25, the third flywheel 17 can be braked by adjusting the position of the third flywheel brake device 26, and the fourth flywheel 18 can be braked by adjusting the position of the fourth flywheel brake device 27.

[0057] See also Figure 5 The speed measuring device is composed of a speed sensor support seat 29 and a speed sensor 30. The speed sensor 30 is fixed to the speed sensor support seat 29 by bolts. The speed sensor support seat 29 is welded by steel plates. A circular through hole connected to the mounting platform is arranged on the bottom mounting surface of the speed sensor support seat 29, and a circular through hole for mounting the speed sensor is arranged on the vertical plate of the speed sensor support seat 29.

[0058] See also Figure 6 The flywheel assembly support bearing seat is composed of a bearing seat base 31, a bearing seat cover 32, a first bearing seat end cover 33, a first support bearing 34, a second support bearing 35 and a second bearing seat end cover 36; the bearing seat base 31 is welded from steel plates, and a circular through hole connected to the mounting platform is provided on the bottom surface of the bearing seat base 31, the bearing seat base 31 and the bearing seat cover 32 are fastened together by bolts, the outer rings of the first support bearing 34 and the second support bearing 35 are tightly matched with the inner ring composed of the bearing seat base 31 and the bearing seat cover 32, the right end face of the first bearing seat end cover 33 is in surface contact with the left end faces of the bearing seat base 31 and the bearing seat cover 32, and they are connected by bolts, and the left end face of the second bearing seat end cover 36 is in surface contact with the right end faces of the bearing seat base 31 and the bearing seat cover 32, and they are connected by bolts.

[0059] See also Figure 7 and Figure 8The brake disc test spindle device is composed of an inertia system connecting shaft 37, a brake disc 38, a brake disc mounting spindle 39, an excitation bearing seat 40, a torque meter 41 and a torque meter support seat 42; the two brake discs 38 are respectively connected to the two sides of the brake disc mounting spindle 37 by bolts, and the installation spacing is the same as the brake disc spacing of the test vehicle model. The torque meter 41 is connected to the inertia system connecting shaft 37 by bolts, and the bottom of the torque meter 41 is connected to the upper plane of the torque meter support seat 42 by bolts. The torque meter 41 is connected to the brake disc mounting spindle 39 by bolts, and the brake disc mounting spindle 39 is interference fit with the excitation bearing seat bearing 45 in the excitation bearing seat 40.

[0060] The 43 excitation bearing seat 40 is composed of an excitation bearing seat base 43, an excitation bearing seat upper cover 44, an excitation bearing seat bearing 45, a first excitation bearing seat end cover 46 and a second excitation bearing seat end cover 47; the excitation bearing seat base 43 and the excitation bearing seat upper cover 44 are connected by bolts, the outer ring of the excitation bearing seat bearing 45 is in contact connection with the inner ring surface formed by the excitation bearing seat base 43 and the excitation bearing seat upper cover 44, the first excitation bearing seat end cover 46 is connected to the excitation bearing seat base 43 and the excitation bearing seat upper cover 44 by bolts, the end face of the first excitation bearing seat end cover 46 is in contact connection with the outer ring end face of the excitation bearing seat bearing 45, and the second excitation bearing seat end cover 47 is connected to the excitation bearing seat base 43 and the excitation bearing seat upper cover 44 by bolts.

[0061] See also Fig. 9 The brake caliper support system includes a brake system support frame 48, a first brake reaction arm 49, a first brake caliper upper mounting support 50, a first brake caliper 51, a first brake link 52, a first brake caliper force arm 53, a first brake caliper lower mounting support 54, a second brake caliper 55, a second brake link 56, a second brake reaction arm 57, a second brake caliper upper mounting support 58, a second brake caliper force arm 59, and a second brake caliper lower mounting support 60;

[0062] The brake system support frame 48 is a welded structural member, which is welded from steel plates, and a circular through hole connected to the mounting platform is provided at the bottom; the first brake reaction arm 49, the first brake caliper upper mounting support 50 and the first brake caliper lower mounting support 54 are fixed to the brake system support frame 48 through a clamping plate and bolts; the second brake reaction arm 57, the second brake caliper upper mounting support 58 and the second brake caliper lower mounting support 60 are fixed to the brake system support frame 48 through a clamping plate and bolts;

[0063] The first brake caliper 51 is connected to the first brake reaction arm 49 through a hinge, the first brake caliper 51 is connected to the first brake caliper upper mounting support 50 through bolts, and the first brake caliper 51 is connected to the first brake caliper lower mounting support 54 through bolts; the first brake link 52 is rotatably connected to the first brake caliper 51 through a pin shaft, the first brake link 52 is rotatably connected to the first brake caliper force arm 53 through a pin shaft, and the first brake caliper force arm 53 is rotatably connected to the brake system support frame 48 through a pin shaft; the second brake caliper 55 is connected to the second brake reaction arm 57 through a hinge, the second brake caliper 55 is connected to the second brake caliper upper mounting support 58 through bolts, and the second brake caliper 55 is connected to the second brake caliper lower mounting support 60 through bolts; the second brake link 56 is rotatably connected to the second brake caliper 55 through a pin shaft, the second brake link 56 is rotatably connected to the second brake caliper force arm 59 through a pin shaft, and the second brake caliper force arm 59 is rotatably connected to the brake system support frame 48 through a pin shaft.

[0064] See also Fig.10 The function of the vertical vibration system is to provide vertical vibration force for the brake disc test spindle device, including a vertical vibration actuator support seat 61, a vertical vibration actuator 62, a vertical vibration force sensor 63, a first vertical vibration link 64, a pivot arm support 65, a vertical vibration pivot arm 66 and a second vertical vibration link 67; the vertical vibration actuator support seat 61 is installed on the mounting platform by bolts, the vertical vibration actuator 62 is fixed on the vertical vibration actuator support seat 61 by bolts, the vertical vibration force sensor 63 is installed on the front end of the force rod of the vertical vibration actuator 62 by threaded connection, and the vertical vibration The force sensor 63 is rotatably connected to the first vertical excitation link 64 via a pin, the first vertical excitation link 64 is rotatably connected to the vertical excitation pivot arm 66 via a pin, the pivot arm support 65 is mounted on the mounting platform 1 via bolts, the vertical excitation pivot arm 66 is rotatably connected to the second vertical excitation link 67 via a pin; the vertical excitation actuator support seat 61 is a box-type welded structural member, welded from steel plates, the lower bottom surface of the vertical excitation actuator support seat 61 is provided with a circular through hole for connecting to the mounting platform, and the upper end surface of the excitation actuator support seat 61 is provided with a threaded hole for connecting the vertical excitation actuator 62.

[0065] See also Fig.11The brake force system includes a brake force actuator support seat 68, a brake force actuator 69, a brake force actuator force sensor 70 and a force actuator connecting rod 71; the brake force actuator support seat 68 is fixed to the mounting platform 1 by bolts, the brake force actuator 69 is fixed to the brake force actuator support seat 68 by bolts, the brake force actuator force sensor 70 is installed on the front end of the force rod of the force actuator connecting rod 71 by threaded connection, and the brake force actuator force sensor 70 is rotatably connected to the force actuator connecting rod 71 by a pin shaft; the brake force actuator support seat 68 is a box-type welded structural member, which is welded by steel plates, and the lower bottom surface of the brake force actuator support seat 68 is provided with a circular through hole for connecting to the mounting platform, and the upper end surface is provided with a threaded hole for connecting the brake force actuator 69.

[0066] See also Fig.12 The brake disc temperature measuring device is mainly used to detect the temperature change of the brake disc during the test, and includes a magnetic seat 72, a support rod 73, a locking nut 74, a plate spring 75, and a temperature sensor 76; the magnetic seat 72 is adsorbed on the mounting platform 1 by magnetic force, the support rod 73 is fixed on the magnetic seat 72 by a locking sleeve, the plate spring 75 is fixed on the support rod 73 by a locking nut 74, the temperature sensor 76 is connected to the plate spring 75 by bolts, and the plate spring 75 is a plate-like structure with a certain elastic force, which provides a certain clamping force for the contact between the temperature sensor and the brake disc surface.

[0067] See also Fig.13 The temperature regulation and particle collection system includes a temperature control system 77, a first filter 78, a heat preservation bin air inlet pipe 79, a heat preservation bin 80, a second filter 81, a heat preservation bin air outlet pipe 82, an exhaust fan support 83, an exhaust fan 84, an exhaust duct 85, a first sampling tube 86, a sampler 87, a second sampling tube 88 and a particle analyzer 89; the temperature control system 77 is used to adjust the temperature of the air entering the heat preservation bin 80; the heat preservation bin air inlet pipe 79 is provided with a first filter 78 to ensure that the air entering the heat preservation bin 80 has filtered out the particles and the heat preservation bin 80 has been filtered out. A second filter 81 is provided on the warm chamber air outlet duct 82 to filter out particulate matter in the air extracted from the heat preservation chamber 80; the exhaust fan 84 is installed on the exhaust fan support 83 by bolts, and the exhaust duct 85 extracts gas samples containing particulate matter from the heat preservation chamber air outlet duct 82; the sampler 87 collects samples from the exhaust duct 85 through the first sampling tube 86, and the sampler 87 has the function of recording air flow; the particle analyzer 89 collects samples from the exhaust duct 85 through the second sampling tube 88, and the particle analyzer 89 can analyze the particle sizes of different particles.

[0068] refer to Fig.14, which is another application method in the process of vehicle brake particle test in this scheme. In this usage scenario, the inertia wheel and excitation equipment mentioned in this scheme can be omitted, and the brake disc can be driven to rotate directly by the driving motor;

[0069] refer to Figure 15-18 ,for Fig. 9 In the structural detail diagram, firstly, the brake force system provides power to the first brake caliper arm, and the first brake caliper arm rotates the driving force to the first brake caliper. The brake disc is arranged between the two first brake calipers in the figure. After the first brake caliper is pushed by the first brake caliper arm, the first brake caliper moves toward the inner side of the brake disc to achieve braking of the brake disc through friction. At the same time, the transmission plate 486 located on one side transmits the force to the other side through the reverse equidistant synchronous transmission device 487. Due to the setting of the reverse equidistant synchronous transmission device 487, the first brake calipers on both sides can synchronously apply pressure to the brake disc to achieve better braking. It should be noted that the reverse equidistant synchronous transmission device 487 adopts the existing technology and is an existing common device. Its function is to allow the moving ends on both sides (that is, the first end and the second end in the scheme) to move the same distance in opposite directions at the same time through structures such as racks or cylinders. For details, please refer to the authorized patent CN206889601U-a reverse synchronous transmission device driven by a gear rack;

[0070] The specific implementation method is as follows: the brake caliper support system includes a brake system support frame, a first brake reaction arm, a first brake caliper upper mounting support, a first brake caliper, a first brake connecting rod, a first brake caliper force arm, and a first brake caliper lower mounting support; a circular through hole connected to the mounting platform is provided at the bottom of the brake system support frame, and the first brake reaction arm, the first brake caliper upper mounting support and the first brake caliper lower mounting support are fixed to the brake system support frame by clamping plates and bolts; a rotating connection part 481 is provided on the side of the brake system support frame, and a first brake caliper is provided through the rotating connection part 481. The movable caliper force arm, the first brake caliper force arm is hinged with the rotating connection part 481; the first brake caliper force arm is provided with a first connection hole 482 and a second connection hole 483, the first brake caliper force arm is connected with the brake force application system through the first connection hole 482, and the first brake caliper force arm is hinged with the first end of the first brake link through the second connection hole 483; and further includes a support connecting member 484, the support connecting member 484 includes an upper connection hole 4841, a lower connection hole 4842, a first connection ear plate 4843, a second connection ear plate 4844, a third connection ear plate 4845 and a fourth connection ear plate 4846. 846; the first brake caliper upper mounting support is a symmetrical structure, and a connecting rod 485 is arranged on the first brake caliper upper mounting support, and the connecting rod 485 passes through the upper connecting hole 4841; the first brake caliper lower mounting support is a symmetrical structure, and a connecting rod 485 is arranged on the first brake caliper lower mounting support, and the connecting rod 485 passes through the lower connecting hole 4842; it also includes a transmission plate 486, the upper and lower parts of the center part of the transmission plate 486 are respectively hinged to the second connecting ear plate 4844 and the fourth connecting ear plate 4846, and the two sides of the transmission plate 486 are respectively the first end and the second end, and the first end of the transmission plate 486 One end is hinged to the second end of the first brake link through a pin, and the upper part of the first end of the transmission plate 486 is also hinged to the first brake reaction arm through a lifting ring 488, and the second end of the transmission plate 486 is connected to the first end of the transmission unit; the transmission plate 486 is provided with two pieces, and the first brake caliper is provided with two pieces, the second end of the transmission unit is connected to the second end of the transmission plate 486, and the upper and lower parts of the center part of the transmission plate 486 are hinged to the first connecting ear plate 4843 and the third connecting ear plate 4845 respectively; the inner side of the first end of the two transmission plates 486 is connected to the first brake caliper.

[0071] How to use the vehicle brake particle test loading system:

[0072] Before the test begins, the brake disc to be tested is mounted on the brake disc mounting spindle, and the brake caliper is mounted on the brake system support frame. The flywheel in the drive inertia system 4 is adjusted according to the inertia force of the test brake system vehicle, and the rotation speed of the drive inertia system 4 is controlled by the control system 2. When simulating vehicle braking, the first brake force system 6 and the second brake force system 8 apply corresponding braking torques to the left and right brake discs according to the braking signal respectively. Samples are obtained through temperature regulation and the sampler 87 in the particle collection system 3 for analyzing the content of chemical substances in the samples, and physical characteristics such as the particle size and emission factor of brake wear particles are obtained through the particle analyzer.

[0073] Those of ordinary skill in the art will appreciate that the units and method steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0074] In the several embodiments provided in the present application, it should be understood that the disclosed methods and systems can be implemented in other ways. For example, the division of the units described above is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. The above-mentioned units may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiments of the present invention.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Vehicle brake particle test loading system, characterized by: It includes a power unit, a brake disc test spindle device, a brake caliper support system, and a brake force application system; The brake disc test spindle device comprises a brake disc mounting spindle, on which the brake disc is mounted; The power device is arranged on one side of the brake disc test spindle device, and the power device is used to drive the brake disc installation spindle to rotate; The brake caliper support system is arranged on one side of the brake disc, and the brake caliper support system is used to brake the brake disc; The brake force application system is arranged on one side of the brake caliper support system, and the brake force application system is used to provide the brake caliper support system with the power required for force application; The brake caliper support system includes a brake system support frame, a first brake reaction arm, a first brake caliper upper mounting support, a first brake caliper, a first brake connecting rod, a first brake caliper force arm, and a first brake caliper lower mounting support; A circular through hole connected to the mounting platform is provided at the bottom of the brake system support frame, and the first brake reaction arm, the first brake caliper upper mounting support and the first brake caliper lower mounting support are fixed to the brake system support frame through clamping plates and bolts; A rotating connection part is arranged on the side of the brake system support frame, a first brake caliper force arm is arranged through the rotating connection part, and the first brake caliper force arm is hinged to the rotating connection part; The first brake caliper force arm is provided with a first connecting hole and a second connecting hole, the first brake caliper force arm is connected to the brake force application system through the first connecting hole, and the first brake caliper force arm is hinged to the first end of the first brake connecting rod through the second connecting hole; Also included is a supporting connector, the supporting connector including an upper connecting hole, a lower connecting hole, a first connecting ear plate, a second connecting ear plate, a third connecting ear plate and a fourth connecting ear plate; The first brake caliper upper mounting support is a symmetrical structure, and a connecting rod is arranged on the first brake caliper upper mounting support, and the connecting rod passes through the upper connecting hole; The first brake caliper lower mounting support is a symmetrical structure, and a connecting rod is arranged on the first brake caliper lower mounting support, and the connecting rod passes through the lower connecting hole; It also includes a transmission plate, wherein the upper and lower parts of the center of the transmission plate are respectively hinged to the second connecting ear plate and the fourth connecting ear plate, and the two sides of the transmission plate are respectively a first end and a second end, the first end of the transmission plate is hinged to the second end of the first brake connecting rod through a latch, the upper part of the first end of the transmission plate is also hinged to the first brake reaction arm through a lifting ring, and the second end of the transmission plate is connected to the first end of the transmission unit; The transmission plates are provided with two pieces, the first brake calipers are provided with two pieces, the second end of the transmission unit is connected to the second end of the transmission plate, and the upper and lower parts of the central part of the transmission plate are hinged to the first connecting ear plate and the third connecting ear plate respectively; The inner sides of the first ends of the two transmission plates are connected with first brake calipers.

2. The vehicle brake particle test loading system according to claim 1, characterized in that: The brake disc test spindle device also includes a bearing seat, and two bearing seats are provided. The two bearing seats are respectively arranged at the two ends of the brake disc installation spindle, and the two ends of the brake disc installation spindle are mounted on the bearing seats through bearing frames.

3. The vehicle brake particle test loading system according to claim 2, characterized in that: The power device includes a driving motor, and the end of the brake disc mounting shaft close to the driving motor extends to the outside of the bearing seat. A pulley is provided at the end of the brake disc mounting shaft close to the driving motor, and the driving motor drives the brake disc mounting shaft to rotate through a belt.

4. The vehicle brake particle test loading system according to claim 1, characterized in that: The transmission unit comprises a reverse equidistant synchronous transmission device, wherein a first end and a second end of the reverse equidistant synchronous transmission device are respectively a driving end and a driven end.

5. The vehicle brake particle test loading system according to claim 1, characterized in that: The brake force application system includes a brake force application actuator support seat, a brake force application actuator, a brake force application actuator force sensor and a brake force application actuator connecting rod; The brake force actuator support seat is fixed on the mounting platform by bolts, the brake force actuator is fixed on the brake force actuator support seat by bolts, the brake force actuator force sensor is installed on the front end of the force rod of the force actuator connecting rod by threaded connection, and the brake force actuator force sensor is rotatably connected with the force actuator connecting rod by a pin shaft; The end of the force actuator connecting rod is hinged to the first connecting hole of the first brake caliper force arm; The brake force actuator support seat is a box-type welded structural member, which is welded from steel plates. The lower bottom surface of the brake force actuator support seat is provided with a circular through hole for connecting to the mounting platform, and the upper end surface is provided with a threaded hole for connecting the brake force actuator.

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