Field rescue vehicle

Abstract

The invention discloses a field rescue vehicle, and belongs to the technical field of rescue vehicles. A field rescue vehicle comprises an auxiliary fixing assembly. The auxiliary fixing assembly is installed at the bottom of the vehicle frame and located between the two crawler belt assemblies. The auxiliary fixing assembly comprises a connecting frame, a connecting plate, an air bag, a plurality of claws, a plurality of fixing rods and a plurality of sliding rods. The airbag is mounted at the bottom of the connecting frame; the connecting plate is arranged above the connecting frame; the upper end of the fixing rod sequentially penetrates through the air bag, the connecting frame and the connecting plate from bottom to top. The fixing rod is slidably connected with the connecting frame; the fixing rod is fixedly connected with the connecting plate; the fixing rods are arranged on the connecting frame at intervals; an inner cavity is formed in the fixing rod in a hollow mode, one or more air holes are formed in the portion, located in the air bag, of the fixing rod in a penetrating mode, and the inner cavity of the fixing rod communicates with the interior of the air bag through the air holes. The sliding rod slidably sleeves the periphery of the lower end part of the sliding rod; and the device is suitable for different terrains.

Description

Technical Field

[0001] The present invention belongs to the technical field of rescue vehicles, and more specifically, relates to a field rescue vehicle. Background Art

[0002] At present, field rescue vehicles have been widely used in disaster relief, off-road exploration and other fields, but the existing technology still has many shortcomings when dealing with complex terrain. Most traditional rescue vehicles rely on a single wheeled or tracked structure. Although they have certain mobility, they are prone to insufficient grip, easy to get stuck or slip in muddy, sandy, snowy or uneven mountainous environments; in addition, when facing emergencies (such as landslides or emergency braking), the support and braking systems of existing vehicles respond slowly and have poor stability, making it difficult to quickly provide effective support; in order to solve the above problems, a new field rescue vehicle with a more flexible structure, automatic adjustment and adaptability to a variety of complex terrains is urgently needed to improve rescue efficiency and ensure personnel safety. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a field rescue vehicle which can be adapted to different terrains.

[0004] A field rescue vehicle of the present invention is used for field rescue, and comprises a vehicle frame, two sets of crawler assemblies and an auxiliary fixing assembly; the auxiliary fixing assembly is installed at the bottom of the vehicle frame and is located between the two sets of crawler assemblies; The auxiliary fixing assembly includes a connecting frame, a connecting plate, an air bag and a plurality of auxiliary claws; the air bag is installed at the bottom of the connecting frame; the top of the auxiliary claw passes through the air bag, the connecting frame and the connecting plate in sequence and is fixedly connected to the connecting plate; the connecting plate is installed above the connecting frame; The auxiliary claws include a plurality of claws, a plurality of fixed rods and a plurality of sliding rods; the upper end of the fixed rod passes through the airbag, the connecting frame and the connecting plate in sequence from bottom to top; the fixed rod is slidably connected to the connecting frame; the fixed rod is fixedly connected to the connecting plate; the fixed rods are arranged on the connecting frame at intervals; the interior of the fixed rod is hollow and provided with an inner cavity, and the portion of the fixed rod in the airbag is penetrated and provided with more than one air hole, and the inner cavity of the fixed rod is penetrated and communicated with the inside of the airbag through the air hole; the sliding rod is slidably sleeved on the outer periphery of the lower end of the corresponding sliding rod; the claw is fixedly arranged at the bottom of the corresponding sliding rod; The top of the airbag is fixedly connected to the bottom of the connecting frame; the outer periphery of the upper end of the sliding rod is fixedly connected to the bottom of the airbag.

[0005] As a further improvement of the present invention, the auxiliary fixing assembly also includes a fixing frame, the top of the fixing frame is fixedly connected to the vehicle frame, and the connecting frame is arranged below the fixing frame; the connecting frame is slidably connected to the fixing frame; a fourth driving assembly is fixedly arranged on the fixing frame, and the output end of the fourth driving assembly is fixedly connected to the connecting frame to drive the connecting frame to reciprocate in the vertical direction relative to the fixing frame.

[0006] As a further improvement of the present invention, a plurality of telescopic rods are installed between the connecting plate and the connecting frame; the telescopic rods and the connecting frame are vertically arranged; the telescopic rods include a fixed portion and a movable portion that slides relative to the fixed portion; the lower end of the fixed portion is embedded in the connecting frame, and one end of the movable portion away from the fixed portion is fixedly connected to the connecting plate; the top of the fixed portion is arranged flush with the upper surface of the connecting frame; A third driving assembly is installed above the connecting plate and is fixedly arranged on the connecting frame or the fixing frame; an output end of the third driving assembly is fixedly connected to the connecting plate to drive the connecting plate to reciprocate in the vertical direction along the telescopic rod.

[0007] As a further improvement of the present invention, the fixing rod comprises an upper fixing rod and a lower fixing rod; the bottom of the upper fixing rod is fixedly connected to the top of the lower fixing rod, the upper fixing rod and the lower fixing rod are arranged at an angle, and a bending portion is formed at the connection between the upper fixing rod and the lower fixing rod; the angle between the upper fixing rod and the lower fixing rod is greater than 90 degrees; The upper fixing rod and the connecting frame are arranged vertically.

[0008] As a further improvement of the present invention, the auxiliary fixing assembly also includes a brake line; a plurality of channels are opened through the airbag from top to bottom to allow the brake line to pass through; the channels are isolated from the inside of the airbag, and the channels are not connected to the inside of the airbag; one end of the brake line passes through the channel and is fixedly connected to the top or side wall of the sliding rod; brake lines are arranged on both sides of the sliding rod; the end of the brake line away from the sliding rod is integrated for control; An anti-puncture layer is installed on the periphery of the airbag to resist the impact of sharp objects.

[0009] As a further improvement of the present invention, it also includes several auxiliary support systems; the auxiliary support systems are installed at the bottom of the frame and are respectively fixed to the inner side of the track assembly and / or the bottom of the front and rear ends of the frame; The auxiliary support system includes a support assembly, a rotating frame, a fixed seat, a first drive assembly and a connecting seat; the rotating seats are fixedly arranged on both sides of the rotating frame; the connecting seats are respectively installed on the side of the corresponding rotating seat away from the rotating frame; the output ends of the first drive assembly are respectively passed through the corresponding connecting seats and fixedly connected to the rotating seats, and the output ends of the first drive assembly are rotatably connected to the connecting seats; the support assembly is fixedly arranged at the end of one end of the rotating frame and is arranged vertically with the rotating seat; the fixed seat is fixedly arranged on the top of the first drive assembly, and the side of the fixed seat away from the first drive assembly is fixedly connected to the frame.

[0010] As a further improvement of the present invention, the supporting assembly includes a base and a second driving assembly; the base and the rotating frame are fixedly connected, and the second driving assembly is fixedly connected to the rotating frame through the base; a cone head is fixedly provided at the output end of the second driving assembly for being embedded in the ground to play a supporting role; the second driving assembly drives the cone head to perform telescopic reciprocating motion.

[0011] As a further improvement of the present invention, the track assembly is provided with a plurality of auxiliary braking assemblies; the track assembly comprises a flexible chain ring, a beam, a driving wheel and a road wheel; the driving wheel and the road wheel are respectively located on both sides of the beam, and the flexible chain ring is meshed and connected with the driving wheel; a track is arranged inside the flexible chain ring, and the road wheel is rotatably embedded in the track; the track is composed of a plurality of tooth arrangements; the auxiliary braking assemblies are respectively installed inside the flexible chain ring; the auxiliary braking assemblies comprise a fifth drive assembly, a telescopic seat and a braking member; the fifth drive assembly is fixedly arranged on the beam, and the output end of the fifth drive assembly is installed and connected with the input end of the telescopic seat; one end of the telescopic seat passes through the side wall of the beam and is rotatably connected with the beam, and the other end of the telescopic seat is rotatably connected with one end of the braking member; when the telescopic seat is in an extended state, the other end of the telescopic seat extends outward and is erected above or below the teeth of the track; the end of the braking member away from the telescopic seat is erected on the teeth and is abutted against the teeth; the outer periphery of the braking member is smoothly arranged, and an opening is penetrated through the end of the braking member away from the telescopic seat.

[0012] As a further improvement of the present invention, a compression spring is arranged between the top of the sliding rod and the fixed rod, and the compression spring is sleeved on the outer circumference of the lower fixed rod.

[0013] As a further improvement of the present invention, the channel is arranged at an angle relative to the bottom of the airbag; when the airbag is in an inflated state, the channel is arranged parallel to the lower fixing rod.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. Enhanced terrain adaptability: The rescue vehicle uses an auxiliary fixing component, which, through the linkage design and coordinated use of airbags and auxiliary claws, enables the vehicle to provide additional support in different terrains (such as mud, quicksand or snow), reduce the risk of getting stuck, and improve stability; or, enhance grip and reduce the risk of getting stuck or rolling over; 2. Improve vehicle stability: The auxiliary claw of the auxiliary fixing assembly is designed with a linkage between the fixing rod, the sliding rod and the claw, so that the auxiliary claw can be adjusted according to the terrain requirements, ensuring that in the event of sudden slippage or reverse, the auxiliary claw and the fixing rod can quickly stop or fix the vehicle, prevent the vehicle from overturning, and ensure operation safety; 3. Optimize the support system: The auxiliary support system is composed of a rotating frame, a drive assembly, a cone head and other structures. The first drive assembly adjusts the angle of the rotating frame to the ground, and the second drive assembly adjusts the depth of the cone head embedded in the ground. The support assembly can adjust the support angle and embedding depth according to the terrain, thereby improving the support effect of the vehicle and effectively preventing rollover or sinking on uneven terrain or soft ground. 4. Increase the crawler track braking ability: An auxiliary braking component is added to the crawler track assembly. When the vehicle encounters a slope slip or reverse situation, the braking component can quickly abut against the tooth structure of the crawler track. When driving forward normally, the outer surface of the braking component is smooth and will not affect the teeth. When driving backward, the teeth are clamped at the opening of the braking component to prevent the crawler track from reversing, achieve emergency braking, prevent the vehicle from losing control, and improve safety; 5. Improve rescue efficiency: Through auxiliary fixing components, auxiliary support systems and auxiliary braking components, ensure that the vehicle can maintain the best condition in various rescue environments, and improve the efficiency and reliability of rescue work; 6. Enhanced structural durability: An anti-puncture layer (such as Kevlar fiber mesh) is added to the outside of the airbag, which can effectively prevent damage to the airbag by sharp objects, improve the durability and service life of the equipment, and adapt to long-term operation requirements in complex field environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the rescue vehicle of the present invention; Figure 2 It is a schematic diagram of the structure of the auxiliary fixing assembly of the present invention; Figure 3 It is a schematic diagram of the structure of the connecting frame, the fixing rod and the telescopic rod of the present invention; Figure 4 It is a schematic structural diagram of the auxiliary fixing assembly without the fixing frame of the present invention; Figure 5 It is a schematic diagram of the structure of the auxiliary support system of the present invention.

[0016] Description of the numbers in the figure: 1. Frame; 2. Track assembly; 3. Auxiliary fixing assembly; 31. Airbag; 32. Claw; 33. Sliding rod; 34. Connecting frame; 35. Fixing rod; 4. Auxiliary supporting system; 41. Rotating frame; 42. Fixed seat; 43. First driving assembly; 44. Connecting seat. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below in conjunction with embodiments. The following embodiments are for explanation of the present invention but the present invention is not limited to the following embodiments.

[0018] Specific embodiment 1: Please refer to Figure 1-4 A field rescue vehicle is used for field rescue, comprising a frame 1, two sets of track assemblies 2 and an auxiliary fixing assembly 3; the auxiliary fixing assembly 3 is installed at the bottom of the frame 1 and is between the two sets of track assemblies 2; The auxiliary fixing assembly 3 includes a connecting frame 34, a connecting plate, an airbag 31 and a plurality of auxiliary claws; the airbag 31 is installed at the bottom of the connecting frame 34; the top of the auxiliary claw passes through the airbag 31, the connecting frame 34 and the connecting plate in sequence, and is fixedly connected to the connecting plate; the connecting plate is installed above the connecting frame 34; The auxiliary claws include a plurality of claws 32, a plurality of fixed rods 35 and a plurality of sliding rods 33; the upper end of the fixed rod 35 passes through the airbag 31, the connecting frame 34 and the connecting plate in sequence from bottom to top; the fixed rod 35 is slidably connected to the connecting frame 34; the fixed rod 35 is fixedly connected to the connecting plate; the fixed rods 35 are arranged on the connecting frame 34 at intervals; the interior of the fixed rod 35 is hollow and has an inner cavity, and the part of the fixed rod 35 in the airbag 31 is penetrated by one or more air holes, and the inner cavity of the fixed rod 35 is connected to the inside of the airbag 31 through the air holes; the sliding rod 33 is slidably sleeved on the outer periphery of the lower end of the corresponding sliding rod 33; the claw is fixedly set at the bottom of the corresponding sliding rod 33.

[0019] Preferably, the top of the airbag 31 is fixedly connected to the bottom of the connecting frame 34 ; and the outer periphery of the upper end of the sliding rod 33 is fixedly connected to the bottom of the airbag 31 .

[0020] Preferably, the claws are arranged in a cone shape.

[0021] The auxiliary fixing assembly 3 also includes a fixing frame, the top of which is fixedly connected to the vehicle frame 1, and a connecting frame 34 is arranged below the fixing frame; the connecting frame 34 is slidably connected to the fixing frame; a fourth driving assembly is fixedly arranged on the fixing frame, and the output end of the fourth driving assembly is fixedly connected to the connecting frame 34 to drive the connecting frame 34 to reciprocate in the vertical direction relative to the fixing frame.

[0022] The top of the fixing rod 35 is provided with an air pipe installation connection of an externally arranged inflatable device, and is penetrated by a conducting connection; the inflatable device inflates air into the airbag 31 through the fixing rod 35 .

[0023] A plurality of telescopic rods are installed between the connecting plate and the connecting frame 34; the telescopic rods and the connecting frame 34 are vertically arranged; the telescopic rods include a fixed portion and a movable portion that slides relative to the fixed portion; the lower end portion of the fixed portion is embedded in the connecting frame 34, and the end of the movable portion away from the fixed portion is fixedly connected to the connecting plate; the top of the fixed portion is flush with the upper surface of the connecting frame 34; in this arrangement, when the telescopic rod is in a fully retracted state, the connecting plate and the connecting frame 34 are abutted.

[0024] Preferably, the fixing rod 35 includes an upper fixing rod and a lower fixing rod; the bottom of the upper fixing rod is fixedly connected to the top of the lower fixing rod, the upper fixing rod and the lower fixing rod are arranged at an angle, and a bending portion is formed at the connection between the upper fixing rod and the lower fixing rod; preferably, the angle between the upper fixing rod and the lower fixing rod is greater than 90 degrees.

[0025] Preferably, the upper fixing rod and the connecting frame 34 are arranged vertically.

[0026] Optionally, a compression spring is provided between the top of the sliding rod 33 and the fixing rod 35 , and the compression spring is sleeved around the outer circumference of the fixing rod.

[0027] A third driving assembly is installed above the connecting plate and is fixedly mounted on the connecting frame 34 or the fixing frame; an output end of the third driving assembly is fixedly connected to the connecting plate to drive the connecting plate to reciprocate in the vertical direction along the telescopic rod.

[0028] Preferably, the connection between the airbag 31 and the sliding rod 33 is sealed.

[0029] The auxiliary fixing component 3 also includes a brake line; a plurality of channels are opened through the airbag 31 from top to bottom to allow the brake line to pass through; the channel is isolated from the interior of the airbag 31, and the channel is not connected to the interior of the airbag 31; one end of the brake line passes through the channel and is fixedly connected to the top or side wall of the sliding rod 33; preferably, brake lines are arranged on both sides of the sliding rod 33; the brake line is integrated at one end away from the sliding rod 33 for control.

[0030] Preferably, the channel is arranged at an angle relative to the bottom of the airbag 31; when the airbag 31 is in an inflated state, the channel is arranged parallel to the lower fixing rod.

[0031] Preferably, the number of claws, fixed rods 35 and sliding rods is set to be consistent.

[0032] Preferably, an anti-puncture layer is installed on the outer periphery of the airbag 31 to resist the impact of sharp objects.

[0033] Optionally, the protective layer is a Kevlar fiber mesh.

[0034] Specific embodiment 2: Different from specific embodiment 1, please refer to Figure 5A field rescue vehicle further includes a plurality of auxiliary support systems 4; the auxiliary support systems 4 are installed at the bottom of the frame 1 and are respectively fixed to the inner side of the track assembly 2 and / or the bottom of the front and rear ends of the frame; The auxiliary support system 4 includes a support assembly, a rotating frame 41, a fixed seat 42, a first drive assembly 43 and a connecting seat 44; rotating seats are fixedly arranged on both sides of the rotating frame 41; the connecting seats 44 are respectively installed on the side of the corresponding rotating seat away from the rotating frame 41; the output ends of the first drive assembly 43 pass through the corresponding connecting seats 44 and are fixedly connected to the rotating seats, and the output ends of the first drive assembly 43 are rotatably connected to the connecting seats 44; the support assembly is fixedly arranged at the end of one end of the rotating frame 41 and is arranged perpendicular to the rotating seat; the fixed seat 42 is fixedly arranged on the top of the first drive assembly 43, and the side of the fixed seat 42 away from the first drive assembly 43 is fixedly connected to the frame 1.

[0035] The supporting assembly includes a base and a second driving assembly; the base is fixedly connected to the rotating frame 41, and the second driving assembly is fixedly connected to the rotating frame 41 through the base; a cone head is fixedly provided at the output end of the second driving assembly, which is used to be embedded in the ground to play a supporting role; the second driving assembly drives the cone head to perform telescopic reciprocating motion.

[0036] Optionally, the rotating frame 41 may be a frame or a solid block.

[0037] Optionally, the first driving component 43 is a motor.

[0038] Optionally, a protection component is installed on the periphery of the output end of the second drive component; the protection component includes a plurality of support rods and a block; one end of the support rod is fixedly connected to the second drive component or the rotating frame 41, and the other end of the support rod is rotatably connected to the block; when the cone head is in a retracted state, the protection component surrounds the periphery to form a protection; when the cone head is in an extended state and embedded in the ground, the block abuts against the ground, and the block can automatically rotate and adjust closer to the ground, thereby increasing the force-bearing area.

[0039] Specific embodiment three: Different from specific embodiment one and specific embodiment two, the track assembly 2 is provided with several auxiliary braking assemblies; the track assembly includes a flexible chain ring, a beam, a driving wheel and a road wheel; the driving wheel and the road wheel are respectively located on both sides of the beam, and the flexible chain ring is meshed and connected with the driving wheel; a track is arranged inside the flexible chain ring, and the road wheel is rotatably embedded in the track; the track is composed of several tooth arrangements; the auxiliary braking assemblies are respectively installed inside the flexible chain ring; the auxiliary braking assembly includes a fifth drive assembly, a telescopic seat and a braking member; the fifth drive assembly is fixedly arranged on the beam, and the output end of the fifth drive assembly is installed and connected with the input end of the telescopic seat; one end of the telescopic seat passes through the side wall of the beam and is rotatably connected to the beam, and the other end of the telescopic seat is rotatably connected to one end of the braking member; when the telescopic seat is in an extended state, the other end of the telescopic seat extends outward and is mounted above or below the teeth of the track; the end of the braking member away from the telescopic seat is mounted on the teeth and is abutted against the teeth; the outer periphery of the braking member is smoothly arranged, and an opening is opened through the end of the braking member away from the telescopic seat; When the rescue vehicle falls back due to landslide or other reasons, the fifth driving assembly drives the telescopic seat to extend the brake member until the brake member is mounted on the tooth and abuts against the tooth; when falling back, the tooth is clamped in the opening of the brake member to prevent the track from falling back.

[0040] The connection method of the various components of the track assembly is well known to those skilled in the art and will not be repeated here; the patent application number is CN201621205233.6, and the track in the Chinese utility model of the patent name "Track and chassis and all-terrain vehicle" is one of the implementation methods.

[0041] The above is only a preferred specific implementation method of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed in the present application according to the technical solution and improved ideas of the present application, which should be covered by the protection scope of the present application.

Claims

1. A field rescue vehicle, characterized in that: Used for outdoor rescue, comprising a vehicle frame (1), two sets of crawler track assemblies (2) and an auxiliary fixing assembly (3); the auxiliary fixing assembly (3) is installed at the bottom of the vehicle frame (1) and is located between the two sets of crawler track assemblies (2); The auxiliary fixing assembly (3) comprises a connecting frame (34), a connecting plate, an airbag (31) and a plurality of auxiliary claws; the airbag (31) is mounted on the bottom of the connecting frame (34); the top of the auxiliary claw passes through the airbag (31), the connecting frame (34) and the connecting plate in sequence and is fixedly connected to the connecting plate; the connecting plate is mounted on the top of the connecting frame (34); The auxiliary claws include a plurality of claws (32), a plurality of fixed rods (35) and a plurality of sliding rods (33); the upper end of the fixed rod (35) passes through the airbag (31), the connecting frame (34) and the connecting plate in sequence from bottom to top; the fixed rod (35) is slidably connected to the connecting frame (34); the fixed rod (35) is fixedly connected to the connecting plate; the fixed rods (35) are arranged on the connecting frame (34) at intervals; the interior of the fixed rod (35) is hollow and provided with an inner cavity; the portion of the fixed rod (35) located in the airbag (31) is penetrated by one or more air holes, and the inner cavity of the fixed rod (35) is penetrated and communicated with the interior of the airbag (31) through the air holes; the sliding rod (33) is slidably sleeved on the outer periphery of the lower end of the corresponding sliding rod (33); the claw is fixedly arranged on the bottom of the corresponding sliding rod (33); the top of the airbag (31) is fixedly connected to the bottom of the connecting frame (34); the outer periphery of the upper end of the sliding rod (33) is fixedly connected to the bottom of the airbag (31).

2. A field rescue vehicle according to claim 1, characterized in that: The auxiliary fixing assembly (3) further comprises a fixing frame, the top of which is fixedly connected to the vehicle frame (1), and a connecting frame (34) is arranged below the fixing frame; the connecting frame (34) is slidably connected to the fixing frame; a fourth driving assembly is fixedly arranged on the fixing frame, and the output end of the fourth driving assembly is fixedly connected to the connecting frame (34) to drive the connecting frame (34) to reciprocate in a vertical direction relative to the fixing frame.

3. A field rescue vehicle according to claim 2, characterized in that: A plurality of telescopic rods are installed between the connecting plate and the connecting frame (34); the telescopic rods and the connecting frame (34) are arranged vertically; the telescopic rods include a fixed portion and a movable portion that slides relative to the fixed portion; the lower end of the fixed portion is embedded in the connecting frame (34), and the end of the movable portion away from the fixed portion is fixedly connected to the connecting plate; the top of the fixed portion is arranged flush with the upper surface of the connecting frame (34); A third drive assembly is installed above the connecting plate, and the third drive assembly is fixedly arranged on the connecting frame (34) or the fixing frame; the output end of the third drive assembly is fixedly connected to the connecting plate to drive the connecting plate to reciprocate in the vertical direction along the telescopic rod.

4. A field rescue vehicle according to claim 1, characterized in that: The fixing rod (35) comprises an upper fixing rod and a lower fixing rod; the bottom of the upper fixing rod is fixedly connected to the top of the lower fixing rod, the upper fixing rod and the lower fixing rod are arranged at an angle, and a bending portion is formed at the connection between the upper fixing rod and the lower fixing rod; the angle between the upper fixing rod and the lower fixing rod is greater than 90 degrees; The upper fixing rod and the connecting frame (34) are arranged vertically.

5. The field rescue vehicle according to claim 1, characterized in that: The auxiliary fixing assembly (3) further includes a brake line; a plurality of channels are provided through the airbag (31) from top to bottom to allow the brake line to pass through; the channels are isolated from the interior of the airbag (31) and are not connected to the interior of the airbag (31); one end of the brake line passes through the channel and is fixedly connected to the top or side wall of the sliding rod (33); brake lines are provided on both sides of the sliding rod (33); and one end of the brake line away from the sliding rod (33) is integrated for control; An anti-puncture layer is installed on the outer periphery of the airbag (31) to resist impact from sharp objects.

6. A field rescue vehicle according to claim 1, characterized in that: It also includes a plurality of auxiliary support systems (4); the auxiliary support systems (4) are installed at the bottom of the frame (1) and are respectively fixed to the inner side of the track assembly (2) and / or the bottom of the front and rear ends of the frame; The auxiliary support system (4) comprises a support assembly, a rotating frame (41), a fixed seat (42), a first drive assembly (43) and a connecting seat (44); the rotating seats are fixedly arranged on both sides of the rotating frame (41); the connecting seats (44) are respectively installed on the side of the corresponding rotating seat away from the rotating frame (41); the output ends of the first drive assemblies (43) respectively penetrate the corresponding connecting seats (44) and are fixedly connected to the rotating seats, and the output ends of the first drive assemblies (43) are rotatably connected to the connecting seats (44); the support assembly is fixedly arranged at the end of one end of the rotating frame (41) and is arranged perpendicular to the rotating seat; the fixed seat (42) is fixedly arranged on the top of the first drive assembly (43), and the side of the fixed seat (42) away from the first drive assembly (43) is fixedly connected to the vehicle frame (1).

7. A field rescue vehicle according to claim 6, characterized in that: The support assembly comprises a base and a second drive assembly; the base and the rotating frame (41) are fixedly connected, and the second drive assembly is fixedly connected to the rotating frame (41) via the base; a cone head is fixedly provided at the output end of the second drive assembly and is used to be embedded in the ground to play a supporting role; the second drive assembly drives the cone head to perform telescopic reciprocating motion.

8. The field rescue vehicle according to claim 1, characterized in that: The crawler assembly (2) is provided with a plurality of auxiliary braking assemblies; the crawler assembly comprises a flexible chain ring, a beam, a driving wheel and a road wheel; the driving wheel and the road wheel are respectively located on both sides of the beam, and the flexible chain ring is meshed and connected with the driving wheel; a track is arranged inside the flexible chain ring, and the road wheel is rotatably embedded in the track; the track is composed of a plurality of tooth arrangements; the auxiliary braking assemblies are respectively installed inside the flexible chain ring; the auxiliary braking assemblies comprise a fifth drive assembly, a telescopic seat and a braking member; the fifth drive assembly is fixedly arranged on the beam, and the output end of the fifth drive assembly is installed and connected with the input end of the telescopic seat; one end of the telescopic seat penetrates the side wall of the beam and is rotatably connected with the beam, and the other end of the telescopic seat is rotatably connected with one end of the braking member; when the telescopic seat is in an extended state, the other end of the telescopic seat extends outward and is mounted above or below the teeth of the track; the end of the braking member at one end away from the telescopic seat is mounted on the teeth and is arranged in contact with the teeth; the outer periphery of the braking member is arranged to be smooth, and an opening is penetrated and opened at one end of the braking member away from the telescopic seat.

9. The field rescue vehicle according to claim 1, characterized in that: A compression spring is arranged between the top of the sliding rod (33) and the fixed rod (35), and the compression spring is sleeved on the outer circumference of the lower fixed rod.

10. The field rescue vehicle according to claim 5, characterized in that: The channel is arranged at an angle relative to the bottom of the airbag (31); when the airbag (31) is in an inflated state, the channel is arranged parallel to the lower fixing rod.

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