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CN-117207730-B - Military armored vehicle suspension

CN117207730BCN 117207730 BCN117207730 BCN 117207730BCN-117207730-B

Abstract

The invention relates to the technical field of armored vehicles and discloses a military armored vehicle suspension, which comprises a main frame mechanism, wherein main buffer mechanisms are arranged on two sides of the main frame mechanism, auxiliary buffer mechanisms, a guide mechanism and a buffer rigidity adjusting mechanism are respectively arranged on two sides of the top of the main frame mechanism, the auxiliary buffer mechanisms are arranged between the guide mechanism and the main frame mechanism, the buffer rigidity adjusting mechanism is arranged on the top of the guide mechanism, suspension mechanisms are arranged on two sides of the main frame mechanism, and the two main buffer mechanisms are respectively arranged between the main frame mechanism and the two suspension mechanisms. The military armored vehicle suspension can be matched with a vehicle-mounted control system and a road surface sensing system, and the damping rigidity adjusting mechanism and the throttling adjusting unit are driven according to requirements through electric signals by feedforward compensation of the control system, so that the auxiliary damping mechanism and the damping mechanism are adjusted, the rigidity of the suspension is changed in advance, and the damping effect of the suspension is improved.

Inventors

  • YAN YONG
  • ZHANG FAN
  • GUO LINGJIANG

Assignees

  • 中北大学

Dates

Publication Date
20260512
Application Date
20230925

Claims (7)

  1. 1. The suspension of the military armored vehicle is characterized by comprising a main frame mechanism, wherein main buffer mechanisms are arranged on two sides of the main frame mechanism, auxiliary buffer mechanisms, a guide mechanism and a buffer rigidity adjusting mechanism are arranged on two sides of the top of the main frame mechanism respectively, the auxiliary buffer mechanisms are arranged between the guide mechanism and the main frame mechanism, the buffer rigidity adjusting mechanism is arranged at the top of the guide mechanism, suspension mechanisms are arranged on two sides of the main frame mechanism respectively, two main buffer mechanisms are arranged between the main frame mechanism and two suspension mechanisms respectively, a damping mechanism is arranged between the suspension mechanisms and the auxiliary buffer mechanisms, the damping mechanism comprises a damping unit, a feedback unit and a throttle adjusting unit, and the feedback unit and the throttle adjusting unit are arranged in the damping unit; The damping unit comprises a lower shaft bracket (7011), a piston column (7012), a throttling piston (7013), a throttling hole (7014), a hydraulic damping cylinder (7015), a sealing end ring (7016) and a first sealing ring (7017), wherein the lower shaft bracket (7011) is rotationally connected with the outer wall of one end of a second lower connecting shaft (604) through a bearing, the piston column (7012) is fixedly connected with one end of the lower shaft bracket (7011), the throttling piston (7013) is fixedly arranged on the outer wall of one end of the piston column (7012), the throttling hole (7014) penetrates through the surface of the throttling piston (7013), the hydraulic damping cylinder (7015) is connected with the surface of the throttling piston (7013) in a sliding mode, the sealing end ring (7016) is fixedly connected with the outer wall of one end of the hydraulic damping cylinder (7015), the first sealing ring (7017) is fixedly arranged on the inner wall of the sealing end ring (7016), and the inner wall of the first sealing ring (7017) is connected with the outer wall of the piston column (7012) in a sliding mode. The feedback unit comprises an upper shaft bracket (7021), an air pressure sensor (7022), an anti-collision ring (7023) and a floating piston (7024), wherein the upper shaft bracket (7021) is rotationally connected to the outer wall of one end of a first upper connecting shaft (301) through a bearing, the upper shaft bracket (7021) is fixedly connected with a hydraulic damping cylinder (7015), the air pressure sensor (7022) is fixedly arranged between the upper shaft bracket (7021) and the hydraulic damping cylinder (7015), the anti-collision ring (7023) is fixedly connected to the inner wall of the hydraulic damping cylinder (7015), the floating piston (7024) is slidably connected to the inner wall of the hydraulic damping cylinder (7015), nitrogen is filled at one side, close to the air pressure sensor (7022), of the floating piston (7024), and damping liquid is filled at one side, far away from the air pressure sensor (7022), of the floating piston (7024); The throttle adjusting unit comprises a second adjusting motor (7031), a sealing cylinder (7032), a guide cylinder (7033), a threaded rod (7034), an adjusting column (7035), a throttle plate (7036), a second sealing ring (7037), a guide groove (7038) and a guide ridge (7039), the second adjusting motor (7031) is fixedly arranged in a lower shaft bracket (7011), the sealing cylinder (7032) and the guide cylinder (7033) are fixedly connected to the inner wall of a piston column (7012), the threaded rod (7034) is fixedly connected to the output end of the second adjusting motor (7031) through a coupler, the threaded rod (7035) is in threaded connection with the outer wall of one end of the threaded rod (7034), the throttle plate (7036) is fixedly sleeved on the outer wall of one end of the adjusting column (7035), the throttle plate (7036) is located on one side of a throttle piston (7013), the second sealing ring (7037) is fixedly arranged on the inner wall of the sealing cylinder (7032), and the inner wall of the second sealing ring (7037) is fixedly connected to the inner wall of the guide cylinder (7033) at one end of the guide groove (7038), and the inner wall of the guide column (7038) is arranged on the inner wall of the guide groove (7038).
  2. 2. The military armored vehicle suspension according to claim 1, wherein the main frame mechanism comprises two connecting frames (101), an upper transverse frame (102), a lower transverse frame (103) and mounting blocks (104), the upper transverse frame (102) and the lower transverse frame (103) are fixedly connected between the two connecting frames (101), the upper transverse frame (102) is located above the lower transverse frame (103), and the mounting blocks (104) are integrally arranged on one side of the connecting frames (101).
  3. 3. The military armored vehicle suspension according to claim 2, wherein the main buffer mechanism comprises a first lower connecting shaft (201), a lower connecting hook block (202), a buffer tension spring (203) and an upper connecting hook block (204), the first lower connecting shaft (201) is rotatably connected to the inner wall on one side of the connecting frame (101) through a bearing, the lower connecting hook block (202) is rotatably connected to the surface of the first lower connecting shaft (201), the buffer tension spring (203) is arranged on one side of the lower connecting hook block (202), the upper connecting hook block (204) is arranged at one end, far away from the lower connecting hook block (202), of the buffer tension spring (203), and the buffer tension spring (203) is hung between the lower connecting hook block (202) and the upper connecting hook block (204).
  4. 4. The suspension of claim 3, wherein the secondary buffer mechanism comprises a first upper connecting shaft (301), a push post (302), a connecting rod (303), a first sliding block (304), a first shaft pin (305), a buffer spring (306), a second sliding block (307), an extension block (308) and a second shaft pin (309), wherein the first upper connecting shaft (301) is rotatably connected to the inner wall of one side of the connecting frame (101) through a bearing, the push post (302) is fixedly sleeved on the surface of the first upper connecting shaft (301), the connecting rod (303) is rotatably connected to one end of the push post (302), the first sliding block (304) is arranged at one end of the connecting rod (303) far away from the push post (302), the first shaft pin (305) is arranged between the connecting rod (303) and the first sliding block (304), the buffer spring (306) is movably arranged on one side of the first sliding block (304) through the first shaft pin (305), the second sliding block (307) is movably arranged on one side of the first sliding block (304), the second sliding block (307) is movably arranged on one side of the second sliding block (307) far away from the first sliding block (308), the second shaft pin (308) is arranged on one side of the extension block (308), and the second sliding block (307) is rotationally connected with the extension block (308) through a second shaft pin (309).
  5. 5. The military armored vehicle suspension of claim 4, wherein the guiding mechanism comprises a connecting frame (401), a guiding frame (402), an end block (403), a guiding hole (404) and a supporting frame (405), the connecting frame (401) is fixedly connected to one side of the upper transverse frame (102), the guiding frame (402) is fixedly connected to one side of the connecting frame (401), the end block (403) is fixedly connected to one side of the guiding frame (402), the guiding hole (404) penetrates through two sides of the guiding frame (402), the supporting frame (405) is fixedly connected to the top of the guiding frame (402), the surface of the first sliding block (304), the surface of the second sliding block (307) and the surface of the extending block (308) are all in sliding connection with the inner wall of the guiding frame (402), and the surface of the first shaft pin (305) and the surface of the second shaft pin (309) are all in sliding connection with the inner wall of the guiding hole (404).
  6. 6. The military armored vehicle suspension of claim 5, wherein the buffering rigidity adjusting mechanism comprises a first adjusting motor (501), a threaded column (502), a third sliding block (503) and a threaded pushing block (504), wherein the first adjusting motor (501) is fixedly arranged at the top of the guide frame (402), the threaded column (502) is rotationally connected to the output end of the first adjusting motor (501) through a coupling, the outer wall of the threaded column (502) is rotationally connected with the inner wall of the supporting frame (405) through a bearing, the third sliding block (503) is fixedly connected to one side, far away from the second sliding block (307), of the extending block (308) through a plug shaft, the surface of the third sliding block (503) is in sliding connection with the inner wall of the guide frame (402), the threaded pushing block (504) is fixedly connected to the inner wall of the extending block (308) through the plug shaft, and the inner wall of the threaded pushing block (504) is in threaded connection with the surface of the threaded column (502).
  7. 7. The suspension of the military armored vehicle according to claim 4, wherein the suspension mechanism comprises an upper fork arm (601), a lower fork arm (602), a second upper connecting shaft (603), a second lower connecting shaft (604), a connecting column (605), a transfer block (606), a connecting column (605) and a wheel disc (608), wherein the upper fork arm (601) is fixedly sleeved on the outer wall of the first upper connecting shaft (301), the lower fork arm (602) is fixedly sleeved on the outer wall of the first lower connecting shaft (201), the upper fork arm (601) and the lower fork arm (602) are distributed in parallel, the second upper connecting shaft (603) is rotatably connected with the inner wall at one end of the upper fork arm (601) through a bearing, the second lower connecting shaft (604) is rotatably connected with the inner wall at one end of the lower fork arm (602) through a bearing, the connecting column (605) is fixedly connected between the second upper connecting shaft (603) and the second lower connecting shaft (604) at the same side, the transfer block (606) is fixedly sleeved on the outer wall of the second upper connecting shaft (603) and the surface of the second lower connecting shaft (604) is fixedly connected with the inner wall (606) through the bearing at one side of the second upper connecting block (607).

Description

Military armored vehicle suspension Technical Field The invention relates to the technical field of armored vehicles, in particular to a military armored vehicle suspension. Background The military armored vehicle has the advantages that the driving road surface is abominable and changeable, the driving route is also tortuous and changeable for avoiding the impact of enemies, the trafficability of the vehicle is improved, the multiaxial type vehicle is usually heavy, the gravity center is high, the tires are many, the mode of all-wheel driving and multi-axle steering is adopted, compared with the common automobile, the problem of stability of the multiaxial type vehicle is more outstanding, the rollover prevention performance of the multiaxial type vehicle is more highly required, the suspension system with good performance can improve the control stability, the maneuverability and the driving smoothness of the vehicle, and the service life of equipment is prolonged. The rigidity refers to the deformation degree of the shock absorber when being stressed, when the rigidity is larger, the deformation degree of the shock absorber is smaller, the resistance to vibration and impact is stronger, but too large rigidity also causes the rebound force of the shock absorber to be increased, the shock absorption effect of the shock absorber is affected, the rigidity of a general suspension system after installation is mostly determined, the rigidity of the general suspension system can not be actively changed according to the change of a road surface when the suspension system is used, and the stability difference of a vehicle running on different road surfaces is relatively larger, so that the suspension system needs to be matched with a vehicle-mounted control system and a road surface sensing system, the rigidity of the suspension system is changed in advance according to requirements through feedforward compensation of the control system, and the shock absorption effect of the suspension system is improved. Disclosure of Invention In view of the shortcomings of the prior art, the present invention provides a military armored vehicle suspension that addresses the problems noted in the background above. The technical scheme includes that the suspension comprises a main frame mechanism, main buffer mechanisms are arranged on two sides of the main frame mechanism, auxiliary buffer mechanisms, a guide mechanism and a buffer rigidity adjusting mechanism are arranged on two sides of the top of the main frame mechanism respectively, the auxiliary buffer mechanisms are located between the guide mechanism and the main frame mechanism, the buffer rigidity adjusting mechanism is located at the top of the guide mechanism, suspension mechanisms are arranged on two sides of the main frame mechanism respectively, the two main buffer mechanisms are located between the main frame mechanism and the two suspension mechanisms respectively, a damping mechanism is arranged between the suspension mechanisms and the auxiliary buffer mechanisms, the damping mechanism comprises a damping unit, a feedback unit and a throttle adjusting unit, and the feedback unit and the throttle adjusting unit are located inside the damping unit. Preferably, the main frame mechanism comprises a connecting frame, an upper transverse frame, a lower transverse frame and mounting blocks, wherein the number of the connecting frames is two, the upper transverse frame is fixedly connected between the two connecting frames, the upper transverse frame is positioned above the lower transverse frame, and the mounting blocks are integrally arranged on one side of the connecting frames. Preferably, the main buffer mechanism comprises a first lower connecting shaft, a lower connecting hook block, a buffer tension spring and an upper connecting hook block, wherein the first lower connecting shaft is rotationally connected with the inner wall on one side of the connecting frame through a bearing, the lower connecting hook block is rotationally connected with the surface of the first lower connecting shaft, the buffer tension spring is arranged on one side of the lower connecting hook block, the upper connecting hook block is arranged at one end, far away from the lower connecting hook block, of the buffer tension spring, and the buffer tension spring is hung between the lower connecting hook block and the upper connecting hook block. Preferably, the auxiliary buffer mechanism comprises a first upper connecting shaft, a push column, a connecting rod, a first sliding block, a first shaft pin, a buffer spring, a second sliding block, an extension block and a second shaft pin, wherein the first upper connecting shaft is rotationally connected to the inner wall on one side of the connecting frame through a bearing, the push column is fixedly sleeved on the surface of the first upper connecting shaft, the connecting rod is rotationally connected to one end of the push column, the