Double-axle steering transmission device of armored car

Abstract

The utility model relates to a double-axle steering transmission device of an armored car. Comprising a steering plumbing arm, a first axle vertical shaft, a first axle transverse pull rod, a steering gear push rod, an auxiliary transverse pull rod, a longitudinal pull rod, a second axle transverse pull rod, a second axle vertical shaft, a right steering knuckle arm, a left steering knuckle arm, a first axle left steering rocker arm, a first axle right steering rocker arm, a right steering swing arm, a second axle right steering rocker arm, a second axle left steering rocker arm and a left steering swing arm. A two-axle transverse pull rod, a two-axle left steering rocker arm, a two-axle right steering rocker arm, two two-axle vertical shafts, a left steering swing arm, a right steering swing arm, two auxiliary transverse pull rods, a left steering knuckle arm and a right steering knuckle arm form a two-axle steering trapezoidal structure. The longitudinal pull rod is responsible for transmitting power from the first axle to the second axle. The double-axle steering transmission device of the armored car is designed for achieving double-axle steering of the car, meets the requirement for overall arrangement of the car, ensures that relative sliding between wheels and the ground is minimized when the car steers, and is light and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of armored vehicle chassis transmission, in particular to a double-axle steering transmission device for an armored vehicle. Background Art

[0002] During the development of the factory's 8×8 wheeled armored vehicle, in order to improve the steering performance and meet the requirement of a minimum turning radius of 11 meters, a double-axle steering transmission device for the armored vehicle was specially designed, which can make the turning radius of the whole vehicle reach 11 meters and the steering operation is flexible.

[0003] In the prior art, the steering system mostly adopts single-bridge steering, which has a large turning radius and cannot meet the turning radius requirements of 8×8 wheeled armored vehicles. The utility model is a double-bridge steering transmission device for armored vehicles, which is a special double-bridge steering transmission device designed for 8×8 wheeled armored vehicles. It has a compact and simple structure, is convenient for the overall layout of the vehicle, and is suitable for the steering system of the armored vehicle. Utility Model Content

[0004] The main purpose of the utility model is to provide a double-axle steering transmission device that can adapt to the performance requirements of 8×8 wheeled armored vehicles. The design coordinates the linkage relationship between various rod systems to ensure that the minimum turning radius of the 8×8 wheeled armored vehicle is 11 meters and the steering operation is flexible.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a dual-bridge steering transmission device for an armored vehicle, including a steering vertical arm, a first bridge vertical shaft, a first bridge tie rod, a steering gear push rod, a secondary tie rod, a longitudinal tie rod, a second bridge tie rod, a second bridge vertical shaft, a right steering knuckle arm, a left steering knuckle arm, a first bridge left steering rocker arm, a first bridge right steering rocker arm, a right steering swing arm, a second bridge right steering rocker arm, a second bridge left steering rocker arm, and a left steering swing arm. The first bridge tie rod, the first bridge left steering rocker arm, two first bridge vertical shafts, the first bridge right steering rocker arm, the right steering swing arm, the left steering swing arm, two secondary tie rods, the left steering knuckle arm, and the right steering knuckle arm form a first bridge steering trapezoidal structure. The second bridge tie rod, the second bridge left steering rocker arm, the second bridge right steering rocker arm, two second bridge vertical shafts, the left steering swing arm, the right steering swing arm, two secondary tie rods, the left steering knuckle arm, and the right steering knuckle arm form a second bridge steering trapezoidal structure. The steering vertical arm is connected to the steering gear, and is connected to the right steering rocker arm of the first bridge through the steering gear push rod. The longitudinal pull rod is connected to the left steering rocker arm of the first bridge and the left steering rocker arm of the second bridge, so that the steering trapezoidal structure of the first bridge is coordinated and linked with the steering trapezoidal structure of the second bridge.

[0006] Furthermore, the connection between the first bridge tie rod, steering gear push rod, secondary tie rod, longitudinal tie rod, second bridge tie rod and steering vertical arm, right steering knuckle arm, left steering knuckle arm, first bridge left steering rocker arm, first bridge right steering rocker arm, right steering swing arm, second bridge right steering rocker arm, second bridge left steering rocker arm, and left steering swing arm are all ball joint connections.

[0007] Furthermore, the single-bridge steering trapezoidal structure is connected to the steering gear via a steering gear push rod and a steering drop arm, and the maximum steering angle is controlled by adjusting a limit bolt.

[0008] Furthermore, the two-bridge steering trapezoidal structure is connected to the one-bridge steering trapezoidal structure through a longitudinal tie rod, so that the two-bridge steering trapezoidal structure and the one-bridge steering trapezoidal structure are coordinated and linked.

[0009] Furthermore, the double-bridge steering transmission device connects the steering knuckles via two left steering knuckle arms and two right steering knuckle arms, thereby controlling the steering of the wheels.

[0010] The utility model provides a dual-axle steering transmission device for an armored vehicle, which has the following beneficial effects:

[0011] The utility model is a dual-axle steering transmission device for an armored vehicle, which can facilitate the overall layout of the vehicle, optimize and coordinate the linkage relationship between various rod systems, reduce wheel side slip, ensure the minimum steering radius of the armored vehicle is 11 meters, and has flexible steering control. The utility model has a simple structure, high reliability, strong applicability, and is economical and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Figure 1 This is a schematic diagram of the main structure of a dual-axle steering transmission device for an armored vehicle of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of a double-axle steering transmission device for an armored vehicle in a bottom view according to the utility model;

[0015] Figure 3 The utility model is a schematic diagram of a cross-sectional structure of a vertical shaft of a bridge.

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the two-bridge vertical shaft of the utility model.

[0017] Description of Reference Numerals

[0018] 1. Steering drop arm; 2. First bridge vertical shaft; 3. First bridge tie rod; 4. Steering gear push rod;

[0019] 5. Secondary cross tie rod; 6. Longitudinal tie rod; 7. Second axle cross tie rod; 8. Second axle vertical shaft;

[0020] 9. Right steering knuckle arm; 10. Left steering knuckle arm; 11. First bridge left steering rocker arm;

[0021] 12. Right steering rocker arm of the first bridge; 13. Right steering swing arm; 14. Right steering rocker arm of the second bridge;

[0022] 15. Second bridge left steering rocker arm; 16. Left steering swing arm; 17. Bolt;

[0023] 18. Limit bolt; 19. Nut; 20. Nut; 21. Washer; 22. Split pin;

[0024] 23. Steel wire lock; 24. A bridge shaft seat; 25. A bridge column;

[0025] 26. Upper thrust washer; 27. Lower thrust washer; 28. Adjusting pad; 29. ​​End cover;

[0026] 30. Bolt; 31. Bolt; 32. Nut; 33. Washer; 34. Split pin;

[0027] 35. O-shaped sealing ring; 36. O-shaped sealing ring; 37. Sealing gasket; 38. Bent-neck lubrication nozzle;

[0028] 39. Safety valve; 40. Oil seal; 41. Second bridge shaft seat; 42. Second bridge column; DETAILED DESCRIPTION

[0029] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0030] like Figure 1 and Figure 2 As shown, this embodiment provides a dual-bridge steering transmission device for an armored vehicle, which includes a steering vertical arm 1, two first bridge vertical shafts 2, a first bridge transverse tie rod 3, a steering gear push rod 4, four secondary transverse tie rods 5, a longitudinal tie rod 6, a second bridge transverse tie rod 7, two second bridge vertical shafts 8, two right steering knuckle arms 9, two left steering knuckle arms 10, a first bridge left steering rocker arm 11, a first bridge right steering rocker arm 12, two right steering swing arms 13, a second bridge right steering rocker arm 14, a second bridge left steering rocker arm 15, two left steering swing arms 16, eight bolts 17, two limit bolts 18, two nuts 19, eight nuts 20, eight washers 21, eight split pins 22, and a steel wire lock wire 23. The steering vertical arm 1 is installed on the steering gear output shaft and swings around the steering gear output shaft within a certain range. Both ends of the steering gear push rod 4 have ball pins, one end of which is connected to the steering vertical arm 1, and the other end is connected to the first bridge right steering rocker arm 12.

[0031] The right steering rocker arm 12 of the first bridge is installed on the upper end of the right first bridge vertical shaft 2, the right first bridge vertical shaft 2 is installed on the bottom plate of the vehicle body, the right steering swing arm 13 of the first bridge is installed on the lower end of the right first bridge vertical shaft 2, and the right steering knuckle arm 9 is connected to the right steering swing arm 13 of the first bridge through the auxiliary crossbar 5. The right steering knuckle arm 9 is connected to the steering knuckle through two bolts 17 to realize the steering control of the wheel. After the bolts 17 are tightened, they are locked with a steel wire lock wire 23 to prevent them from loosening.

[0032] One end of the first bridge tie rod 3 is connected to the first bridge right steering rocker arm 12, and the other end is connected to the first bridge left steering rocker arm 11, so that the left and right sides of the first bridge can be coordinated and linked. The limit bolt 18 and the nut 19 are installed on the vehicle body, and the maximum steering angle of the double-bridge steering transmission device is controlled by adjusting the limit bolt 18.

[0033] The left steering rocker arm 11 of the first bridge is installed on the upper end of the left first bridge vertical shaft 2, the left first bridge vertical shaft 2 is installed on the bottom plate of the vehicle body, the left steering swing arm 16 of the first bridge is installed on the lower end of the left first bridge vertical shaft 2, and the left steering knuckle arm 10 is connected to the left steering swing arm 16 of the first bridge through the auxiliary cross rod 5. The left steering knuckle arm 10 is connected to the steering knuckle through two bolts 17 to realize the steering control of the wheel. After the bolts 17 are tightened, they are locked with a steel wire lock wire 23 to prevent them from loosening.

[0034] One end of the longitudinal tie rod 6 is connected to the left steering rocker arm 11 of the first bridge, and the other end is connected to the left steering rocker arm 15 of the second bridge, so that the first bridge steering trapezoidal structure and the second bridge steering trapezoidal structure are coordinated and linked.

[0035] The left steering rocker arm 15 of the second bridge is installed on the upper end of the left second bridge vertical shaft 8, the left second bridge vertical shaft 8 is installed on the bottom plate of the vehicle body, the left steering swing arm 16 of the second bridge is installed on the lower end of the left second bridge vertical shaft 8, and the left steering knuckle arm 10 is connected to the left steering swing arm 16 of the second bridge through the auxiliary transverse tie rod 5. The left steering knuckle arm 10 is connected to the steering knuckle through two bolts 17 to realize the steering control of the wheel. After the bolts 17 are tightened, they are locked with a steel wire lock wire 23 to prevent them from loosening.

[0036] One end of the second bridge tie rod 7 is connected to the second bridge right steering rocker arm 14, and the other end is connected to the second bridge left steering rocker arm 15, so that the left and right sides of the second bridge can be coordinated and linked.

[0037] The second bridge right steering rocker arm 14 is mounted on the upper end of the right second bridge vertical shaft 8, the right second bridge vertical shaft 8 is mounted on the vehicle body bottom plate, the second bridge right steering swing arm 13 is mounted on the lower end of the right second bridge vertical shaft 8, and the right steering knuckle arm 9 is connected to the second bridge right steering swing arm 13 through the secondary tie rod 5. The right steering knuckle arm 9 is connected to the steering knuckle through two bolts 17 to achieve wheel steering control. After the bolts 17 are tightened, they are locked with a steel wire lock wire 23 to prevent them from loosening.

[0038] like Figure 3As shown, a bridge shaft 2 includes a bridge shaft seat 24, a bridge column 25, an upper thrust washer 26, a lower thrust washer 27, an adjusting washer 28, an end cover 29, four bolts 30, four bolts 31, eight nuts 32, eight washers 33, eight cotter pins 34, two O-rings 35, four O-rings 36, four sealing washers 37, a bent neck lubrication nozzle 38, a safety valve 39, and two oil seals 40.

[0039] Install the upper thrust washer 26 into the axle seat 24, install the axle column 25, and check that the axle column can rotate flexibly without swinging. Install two O-rings 35 on the axle seat 24, and install the lower thrust washer 27 and the adjustment washer 28 on the axle column 25. Assemble the oil seal 40, the end cover 29, and the O-ring 36 together, install the assembly of the end cover 29 on the axle column 25, and tighten it with four bolts 30, four nuts 32, four washers 33, and four split pins 34, and check that the axle column can rotate flexibly. Install the assembly of the axle seat 24, the axle column 25, and the end cover 29 on the vehicle body bottom plate, and tighten it with four bolts 31, four nuts 32, four washers 33, four split pins 34, and four sealing washers 37. Install the bent neck lubrication nozzle 38 on the axle seat 24, install the safety valve 39 on the axle seat 24, and install the oil seal 40 on the axle seat 24. After the vehicle is assembled, inject GL-5 85W / 90 heavy gear load oil until the safety valve discharges oil.

[0040] like Figure 4 As shown, the second bridge vertical shaft 8 includes a second bridge vertical shaft seat 41, a second bridge column 42, an upper thrust washer 26, a lower thrust washer 27, an adjusting washer 28, an end cover 29, four bolts 30, four bolts 31, eight nuts 32, eight washers 33, eight cotter pins 34, two O-rings 35, four O-rings 36, four sealing washers 37, a bent neck lubrication nozzle 38, a safety valve 39, and two oil seals 40.

[0041] Install the upper thrust washer 26 into the second bridge shaft seat 41, install the second bridge column 42, and check that the second bridge column rotates flexibly without swinging. Install two O-rings 35 on the second bridge shaft seat 41, and install the lower thrust washer 27 and the adjustment washer 28 on the second bridge column 42. Assemble the oil seal 40, the end cover 29, and the O-ring 36 together, install the assembly of the end cover 29 on the second bridge column 42, and tighten it with four bolts 30, four nuts 32, four washers 33, and four cotter pins 34, and check that the second bridge column rotates flexibly. Install the assembly of the second bridge shaft seat 41, the second bridge column 42, and the end cover 29 on the vehicle body bottom plate, and tighten it with four bolts 31, four nuts 32, four washers 33, four cotter pins 34, and four sealing washers 37. Install the bent neck lubrication nozzle 38 on the second bridge vertical shaft seat 41, install the safety valve 39 on the second bridge vertical shaft seat 41, and install the oil seal 40 on the second bridge vertical shaft seat 41. After the vehicle is assembled, inject GL-5 85W / 90 heavy gear load oil until the safety valve discharges oil.

[0042] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the specific details in the above embodiments; within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0043] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A dual-axle steering transmission device for an armored vehicle, characterized in that: It includes a steering vertical arm, a first bridge vertical shaft, a first bridge tie rod, a steering gear push rod, a secondary tie rod, a longitudinal tie rod, a second bridge tie rod, a second bridge vertical shaft, a right steering knuckle arm, a left steering knuckle arm, a first bridge left steering rocker arm, a first bridge right steering rocker arm, a right steering swing arm, a second bridge right steering rocker arm, a second bridge left steering rocker arm, and a left steering swing arm. The first bridge tie rod, the first bridge left steering rocker arm, two first bridge vertical shafts, the first bridge right steering rocker arm, the right steering swing arm, the left steering swing arm, the two secondary tie rods, the left steering knuckle arm, and the right steering knuckle arm form a first bridge steering trapezoidal structure. The second bridge tie rod, the second bridge left steering rocker arm, the second bridge right steering rocker arm, two second bridge vertical shafts, the left steering swing arm, the right steering swing arm, the two secondary tie rods, the left steering knuckle arm, and the right steering knuckle arm form a second bridge steering trapezoidal structure. The left steering rocker arm of the first bridge is connected with the right steering rocker arm of the first bridge through the tie rod of the first bridge, the left steering rocker arm of the first bridge is installed on the upper end of the left bridge vertical shaft, and the left steering rocker arm is installed on the lower end of the left bridge vertical shaft. The left steering rocker arm of the first bridge is connected with the left steering rocker arm of the first bridge through the tie rod of the first bridge, the left steering rocker arm of the first bridge is installed on the upper end of the left bridge vertical shaft, and the left steering rocker arm is installed on the lower end of the left bridge vertical shaft. The left steering rocker arm of the second bridge is connected with the left steering rocker arm at one end of the tie rod of the first bridge, the steering gear push rod, the auxiliary tie rod, the longitudinal tie rod, the tie rod of the second bridge and the steering vertical arm, the right steering knuckle arm, the left steering knuckle arm, the left steering rocker arm of the first bridge, the right steering rocker arm of the first bridge, the right steering rocker arm of the second bridge, the left steering rocker arm of the second bridge, and the left steering rocker arm are all connected in a ball joint connection mode. One end of the longitudinal tie rod is connected to the left steering rocker arm of the first bridge, and the other end is connected to the left steering rocker arm of the second bridge; The left steering rocker arm of the second bridge is installed at the upper end of the left second bridge vertical shaft, the left steering swing arm is installed at the lower end of the left second bridge vertical shaft, one end of the auxiliary tie rod is connected to the left steering swing arm, and the other end is connected to the left steering knuckle arm; The left steering rocker arm of the second bridge and the right steering rocker arm of the second bridge are connected through the second bridge tie rod. The right steering rocker arm of the second bridge is installed on the upper end of the second bridge vertical shaft on the right side, and the right steering swing arm is installed on the lower end of the second bridge vertical shaft on the right side. One end of the auxiliary tie rod is connected to the right steering swing arm, and the other end is connected to the right steering knuckle arm. The first bridge tie rod, steering gear push rod, auxiliary tie rod, longitudinal tie rod, second bridge tie rod and steering vertical arm, right steering knuckle arm, left steering knuckle arm, first bridge left steering rocker arm, first bridge right steering rocker arm, right steering swing arm, second bridge right steering rocker arm, second bridge left steering rocker arm, and left steering swing arm are all connected by a ball joint structure.

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