Armored vehicle chassis gas circuit system
By optimizing the pipeline design and braking elements of the armored vehicle chassis air system, the problems of high operational difficulty and driving safety hazards caused by the complex structure in the existing technology are solved, and the sensitivity and safety of braking are achieved.
Patent Information
- Application Number
- CN202422607449.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing air circuit system has a complex structure, which makes it difficult for drivers to operate, easily causes vehicle jerking, and poses a driving safety hazard.
Reasonable pipeline design and matching brake components, including four-circuit protection valves, brake valves, relay valves, etc., ensure the normal operation of the vehicle under various working conditions. Through the coordination of components such as the air compressor, antifreeze valve, and pressure regulating valve, the sensitivity and speed of braking are achieved.
It improves the braking sensitivity and safety of the vehicle during driving, avoids driving safety hazards caused by air path problems, and ensures that the vehicle works normally under various working conditions.
Smart Images

Figure CN223327485U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chassis air circuit systems, and more specifically, to an armored vehicle chassis air circuit system. Background Art
[0002] The air circuit system refers to a system that uses air as a working medium to achieve control and transmission of machinery and equipment through flow and pressure. Its main function is to convert compressed air into mechanical energy, transmit it to various parts of the machinery and equipment through the air circuit, and control the operating status of the machinery and equipment. It is usually installed on the vehicle chassis to control the vehicle's driving.
[0003] Based on the above, the inventors found that the existing air circuit system has a complex structure. In actual operation, the driver needs to be proficient in operating the vehicle, otherwise the vehicle may easily jerk. Therefore, in view of this, the inventors studied and improved the existing structure and provided an armored vehicle chassis air circuit system in order to achieve a more practical purpose. Utility Model Content
[0004] 1. Technical problems to be solved
[0005] In response to the problems existing in the prior art, the purpose of the present utility model is to provide an armored vehicle chassis air circuit system. This solution and application ensure that the vehicle brakes more sensitively and quickly during driving through reasonable pipeline design and matching brake components, thereby improving driving safety. At the same time, various air circuit brake components, such as four-circuit protection valves, brake valves, relay valves, etc., can ensure that the vehicle can work normally under various working conditions, avoiding driving safety hazards caused by air circuit problems.
[0006] 2. Technical solution
[0007] In order to solve the above problems, the present invention adopts the following technical solutions.
[0008] An armored vehicle chassis air circuit system includes an engine, four-pipeline protection valves and a seven-way pipe. The seven-way pipe is fixedly connected to an exhaust brake control valve, a gear range and a manual control valve. The gear range is fixedly connected to a high-low gear conversion cylinder.
[0009] Furthermore, an air compressor and a pair of exhaust brake control cylinders are provided inside the engine, and a rear transmission differential lock and a clutch working cylinder are fixedly connected to one side of the engine. The output end of the air compressor is fixedly connected to an antifreeze valve, and the output end of the antifreeze valve is fixedly connected to a pressure regulating valve.
[0010] Furthermore, one side of the four-pipeline protection valve is fixedly connected to a spare parking gas cylinder, a middle and rear wheel gas cylinder, and a front wheel gas cylinder; the output end of the spare parking gas cylinder is fixedly connected to a hand relay valve; the output ends of the middle and rear wheel gas cylinder and the front wheel gas cylinder are fixedly connected to the same dual-pipeline brake valve; and the middle and rear wheel gas cylinder and the dual-pipeline brake valve are fixedly connected to a foot relay valve.
[0011] Furthermore, the interior of the seven-way pipe is fixedly connected with the differential switch between the front, middle and rear axles, the differential switch between the middle wheels, the differential switch between the rear wheels, the water reverse switch, the water forward switch, and the differential switch between the front wheels in sequence. The differential switch between the front, middle and rear axles is fixedly connected with the transfer case, and the differential switch between the front, middle and rear axles and the differential switch between the middle wheels are fixedly connected with the same middle axle, the differential switch between the rear wheels is fixedly connected with the rear axle, the water reverse switch and the water forward switch are fixedly connected with the same two-way one-way valve, the two-way one-way valve is fixedly connected with the water transmission box and the water steering clutch, and the differential switch between the front wheels is fixedly connected with the front axle.
[0012] Furthermore, the capacity of the spare parking gas cylinder and the front wheel gas cylinder is 20L, and the capacity of the middle and rear wheel gas cylinder is 40L.
[0013] Furthermore, the exhaust brake control valve is adapted to the exhaust brake control cylinder, and the two-way one-way valve is adapted to the rear transmission case differential lock.
[0014] 3. Beneficial effects
[0015] Compared with the prior art, the advantages of the present invention are:
[0016] (1) This solution generates power air through an air compressor, which passes through an antifreeze valve and a pressure regulating valve, and the air enters the four-pipe protection valve, and then enters the spare parking cylinder, the middle and rear wheel cylinder and the front wheel cylinder in turn, as a driving power. The spare parking cylinder cooperates with the manual control valve and the manual relay valve as a backup energy source. At the same time, the middle and rear wheel cylinders and the front wheel cylinders cooperate with each other, and under the action of the dual-pipe brake valve and the foot relay valve, the front and rear wheels are controlled to rotate and the vehicle is driven. At the same time, the interior of the seven-way pipe is fixedly connected with the front, middle and rear axle differential switch, the middle wheel differential switch, the rear wheel differential switch, the water rear differential switch, and the water rear differential switch. The reverse switch, the water forward switch, and the differential switch between the front wheels cooperate with each other to realize the vehicle's walking on water and perform air pressure detection. Under the action of the seven-way pipe, the exhaust brake control valve cooperates with the exhaust brake control cylinder to control and adjust the engine. This application ensures that the vehicle's braking is more sensitive and faster during driving through reasonable pipeline design and matching brake components, thereby improving driving safety. At the same time, various air circuit brake components, such as four-circuit protection valves, brake valves, relay valves, etc., can ensure that the vehicle can work normally under various working conditions, avoiding driving safety hazards caused by air circuit problems. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the local structure of the utility model;
[0019] Figure 3 This is a schematic structural diagram of the four-pipeline protection valve of the present utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the engine of the present utility model;
[0021] Figure 5 This is a structural diagram of the seven-way pipe of the present utility model.
[0022] Explanation of the symbols in the figure: 1. Engine; 2. Four-line protection valve; 3. Seven-way pipe; 4. Exhaust brake control valve; 5. Gear range; 6. High and low gear conversion cylinder; 7. Manual control valve; 101. Air compressor; 102. Exhaust brake control cylinder; 103. Rear transmission differential lock; 104. Clutch working cylinder; 105. Antifreeze valve; 106. Pressure regulating valve; 201. Spare parking gas cylinder; 202. Middle and rear wheel gas cylinder; 203. Front wheel gas cylinder; 204. Manual Relay valve; 206, dual-line brake valve; 207, foot relay valve; 401, differential switch between front, middle and rear axles; 402, differential switch between middle wheels; 403, differential switch between rear wheels; 404, water reverse switch; 405, water forward switch; 406, differential switch between front wheels; 407, transfer case; 408, middle axle; 409, rear axle; 410, two-way one-way valve; 411, water transmission box; 412, water steering clutch; 414, front axle. DETAILED DESCRIPTION
[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0024] Example:
[0025] See also Figure 1-5 An armored vehicle chassis air circuit system includes an engine 1, a four-pipeline protection valve 2 and a seven-way pipe 3. The seven-way pipe 3 is fixedly connected to an exhaust brake control valve 4, a gear range 5 and a manual control valve 7. The gear range 5 is fixedly connected to a high-low gear conversion cylinder 6.
[0026] See Figure 3An air compressor 101 and a pair of exhaust brake control cylinders 102 are provided inside the engine 1, and a rear transmission case differential lock 103 and a clutch working cylinder 104 are fixedly connected to one side of the engine 1. The output end of the air compressor 101 is fixedly connected to an antifreeze valve 105, and the output end of the antifreeze valve 105 is fixedly connected to a pressure regulating valve 106.
[0027] See Figure 4 One side of the four-pipeline protection valve 2 is fixedly connected to the spare parking gas cylinder 201, the middle and rear wheel gas cylinder 202 and the front wheel gas cylinder 203. The output end of the spare parking gas cylinder 201 is fixedly connected to the hand relay valve 204. The output ends of the middle and rear wheel gas cylinder 202 and the front wheel gas cylinder 203 are fixedly connected to the same dual-pipeline brake valve 206, and the middle and rear wheel gas cylinder 202 and the dual-pipeline brake valve 206 are fixedly connected to the foot relay valve 207.
[0028] See Figure 5 The interior of the seven-way pipe 3 is fixedly connected with the front, middle and rear axle differential switch 401, the middle wheel differential switch 402, the rear wheel differential switch 403, the water reverse switch 404, the water forward switch 405, and the front wheel differential switch 406 in sequence. The front, middle and rear axle differential switches 401 are fixedly connected with the transfer case 407, and the front, middle and rear axle differential switches 401 and the middle wheel differential switch 402 are fixedly connected with the same middle axle 408, the rear wheel differential switch 403 is fixedly connected with the rear axle 409, the water reverse switch 404 and the water forward switch 405 are fixedly connected with the same two-way one-way valve 410, the two-way one-way valve 410 is fixedly connected with the water transmission box 411 and the water steering clutch 412, and the front wheel differential switch 406 is fixedly connected with the front axle 414.
[0029] See Figure 2 The capacity of the spare parking gas cylinder 201 and the front wheel gas cylinder 203 is 20L, and the capacity of the middle and rear wheel gas cylinder 202 is 40L.
[0030] See Figure 1 The exhaust brake control valve 4 is adapted to the exhaust brake control cylinder 102 , and the two-way one-way valve 410 is adapted to the rear transmission box differential lock 103 .
[0031] During use: the air compressor 101 generates power air, which passes through the antifreeze valve 105 and the pressure regulating valve 106, and then enters the four-line protection valve 2, and then enters the spare parking cylinder 201, the middle and rear wheel cylinder 202 and the front wheel cylinder 203 in sequence as driving power. The spare parking cylinder 201 cooperates with the manual control valve 7 and the manual relay valve 204 as a backup energy source. At the same time, the middle and rear wheel cylinder 202 and the front wheel cylinder 203 cooperate with each other to operate in the dual-line brake valve 206 and the foot relay valve 207. Under the action of , the front and rear wheels are controlled to rotate and the vehicle is driven. At the same time, the interior of the seven-way pipe 3 is fixedly connected with the front, middle and rear axle differential switch 401, the middle wheel differential switch 402, the rear wheel differential switch 403, the water backward switch 404, the water forward switch 405, and the front wheel differential switch 406, which cooperate with each other to realize the vehicle's water travel and perform air pressure detection. Under the action of the seven-way pipe 3, the exhaust brake control valve 4 cooperates with the exhaust brake control cylinder 102 to control and adjust the engine 1.
[0032] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.
[0033] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0034] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.
Claims
1. An armored vehicle chassis air circuit system, comprising an engine (1), four-pipeline protection valves (2) and a seven-way pipe (3), characterized in that: The seven-way pipe (3) is fixedly connected to an exhaust brake control valve (4), a gear interval (5) and a manual control valve (7), and the gear interval (5) is fixedly connected to a high-low gear conversion cylinder (6).
2. The armored vehicle chassis air circuit system according to claim 1, characterized in that: An air compressor (101) and a pair of exhaust brake control cylinders (102) are provided inside the engine (1), and a rear transmission case differential lock (103) and a clutch working cylinder (104) are fixedly connected to one side of the engine (1); an output end of the air compressor (101) is fixedly connected to an antifreeze valve (105), and an output end of the antifreeze valve (105) is fixedly connected to a pressure regulating valve (106).
3. The armored vehicle chassis air circuit system according to claim 1, characterized in that: One side of the four-pipeline protection valve (2) is fixedly connected to a spare parking gas cylinder (201), a middle and rear wheel gas cylinder (202), and a front wheel gas cylinder (203); the output end of the spare parking gas cylinder (201) is fixedly connected to a hand relay valve (204); the output ends of the middle and rear wheel gas cylinder (202) and the front wheel gas cylinder (203) are fixedly connected to the same dual-pipeline brake valve (206); and the middle and rear wheel gas cylinder (202) and the dual-pipeline brake valve (206) are fixedly connected to a foot relay valve (207).
4. The armored vehicle chassis air circuit system according to claim 1, characterized in that: The interior of the seven-way pipe (3) is fixedly connected in sequence with a front, middle and rear axle differential switch (401), a middle wheel differential switch (402), a rear wheel differential switch (403), a water backward switch (404), a water forward switch (405), and a front wheel differential switch (406). The front, middle and rear axle differential switch (401) is fixedly connected to a transfer case (407). The front, middle and rear axle differential switch (401) and the middle wheel differential switch (403) are fixedly connected to each other. 02) is fixedly connected to the same middle bridge (408), the rear wheel differential switch (403) is fixedly connected to the rear bridge (409), the water backward switch (404) and the water forward switch (405) are fixedly connected to the same two-way check valve (410), the two-way check valve (410) is fixedly connected to the water transmission box (411) and the water steering clutch (412), and the front wheel differential switch (406) is fixedly connected to the front bridge (414).
5. The armored vehicle chassis air circuit system according to claim 3, characterized in that: The volumes of the spare parking gas cylinder (201) and the front wheel gas cylinder (203) are 20L, and the volume of the middle and rear wheel gas cylinder (202) is 40L.
6. The armored vehicle chassis air circuit system according to claim 1, characterized in that: The exhaust brake control valve (4) is adapted to the exhaust brake control cylinder (102), and the two-way check valve (410) is adapted to the rear transmission case differential lock (103).