Self-powered snow brush, working method thereof and snow removal equipment

Abstract

The invention belongs to the field of emergency rescue and ice and snow removing machines and tools, and discloses a self-powered snow brush, a working method thereof and snow removing equipment, the self-powered snow brush comprises a snow brush assembly, the snow brush assembly comprises a brush support, a brush cover frame, a brush body and a trundle assembly, the brush body is rotatably installed on the brush support, the brush cover frame is connected with the brush support and located above the brush body, and the trundle assembly is connected with the brush support and located above the brush body; the trundle assembly is of an adjustable structure and is connected with the brush support. The power system comprises a diesel engine, a reduction gearbox, a fuel tank and a chain wheel assembly, the diesel engine is connected with a radiator assembly, an air filter and a pneumatic clutch into a whole, and the whole is installed on one side of the brush support; the reduction gearbox is installed on the other side of the brush support and connected with the pneumatic clutch through a transmission shaft, and an output shaft of the reduction gearbox drives the brush body to rotate through a chain wheel assembly to clean snow. The fuel tank is connected with the diesel engine and installed on the side, close to the reduction gearbox, of the brush cover frame. The device is high in reliability, good in stability and small in occupied space.

Description

Technical Field

[0001] This invention relates to a self-powered snow brush and its working method, as well as snow removal equipment, belonging to the field of emergency rescue and snow removal machinery. Background Technology

[0002] To efficiently and promptly clear snow, mechanical snow removal is the primary method used in China, with mainstream equipment including snowplows, snow brushes, and snow melting spreaders. Among these, snow brushes are commonly used for snow removal on highways, bridges, and municipal roads because they remove snow more cleanly (leaving less residual snow) and cause less damage to the ground. However, conventional snow brushes lack an independent power source and are mostly modified from dump trucks, relying on the vehicle for power. This places requirements on vehicle configuration and introduces many potential problems for on-site modifications.

[0003] Against this backdrop, some manufacturers have developed self-powered snow brushes. Although the independent engine solves the problem of relying on the vehicle for power, the structural design does not take into account the stability of operation, and there are still hidden dangers that affect the use: the heavy components of the power system, such as the engine and gearbox, are concentrated on one side, causing the center of gravity of the whole machine to shift, making it easy to deviate during operation and reducing efficiency. At the same time, when the engine stops suddenly, the output shaft brakes, and the brush body continues to rotate due to inertia, causing the transmission mechanism to continue to rotate. The reverse force converges on the transmission shaft, and the superimposed torque exceeds the load limit, which can easily cause the transmission shaft to break, resulting in high maintenance costs and interruption of operation. Summary of the Invention

[0004] To address the problems existing in the prior art, the present invention provides a self-powered snow brush, its working method, and a snow removal device.

[0005] To achieve the above objectives, the present invention employs a self-powered snow brush, comprising:

[0006] A snow wiper assembly includes a brush bracket, a brush cover bracket, a brush body, and a caster assembly. The brush body is rotatably mounted on the brush bracket, the brush cover bracket is connected to the brush bracket and located above the brush body, and the caster assembly is an adjustable structure and connected to the brush bracket.

[0007] The power system includes a diesel engine, a gearbox, a fuel tank, and a sprocket assembly. The diesel engine is connected to the radiator assembly, air filter, and pneumatic clutch as a whole, and this whole is mounted on one side of the brush bracket. The gearbox is mounted on the other side of the brush bracket and is connected to the pneumatic clutch via a drive shaft. The output shaft of the gearbox drives the brush body to rotate for snow removal via the sprocket assembly. The fuel tank is connected to the diesel engine and is mounted on the brush cover frame on the side near the gearbox.

[0008] As an improvement, the snow brush assembly also includes a bracket, a lifting cylinder, a contour bracket, an upper connecting bracket, and a lower connecting bracket;

[0009] The lifting cylinder is connected to the hydraulic system, and both ends of the lifting cylinder are connected to the hanger and the upper connecting frame respectively through pins;

[0010] Both ends of the upper and lower connecting frames are connected to the hanger and the profile frame respectively via pins. The upper connecting frame, lower connecting frame, hanger, and profile frame form a parallel four-bar linkage structure. By controlling the extension and retraction of the lifting cylinder, the relative position of the profile frame and the hanger can be adjusted to realize the lifting and lowering function of the snow wiper.

[0011] As an improvement, the snow brush assembly also includes a rotating frame, which is connected to the contour frame via a hinge pin and a limiting pin. Both the rotating frame and the contour frame can rotate around the hinge pin. The limiting pin is mounted on the contour frame, and a limiting groove is opened on the rotating frame. The limiting pin of the contour frame moves within the limiting groove of the rotating frame to adjust the relative rotation angle between the two.

[0012] As an improvement, the bottom of the rotating frame is provided with a spring assembly for flexible operation and automatic reset of the contouring motion; and / or, the rotating frame is connected to the brush bracket via a pin, both the brush bracket and the rotating frame can be twisted around the pin, a swing cylinder is installed between the brush bracket and the hanger, the swing cylinder is connected to the hydraulic system, and the swing cylinder is used to adjust the angle range between the brush bracket and the hanger to realize the swaying function of the snow wiper.

[0013] As an improvement, the caster assembly is provided in two sets, symmetrically installed on both sides of the brush bracket;

[0014] Each set of caster assemblies includes a caster axle, a caster seat, a caster, and two adjusting nuts. The upper end of the caster axle is threaded, and the lower end is connected to the caster. The caster seat is fitted onto the caster axle and is connected to the brush bracket. The two adjusting nuts are respectively installed on the upper and lower sides of the threaded part of the caster axle. By adjusting the adjusting nuts, the relative position of the caster axle and the caster seat can be changed, thereby controlling the depth of the brush body.

[0015] As an improvement, the sprocket assembly includes a small sprocket, a chain, and a large sprocket. The small sprocket is connected to the output shaft of the gearbox via a connecting shaft, and the large sprocket is connected to the rotating shaft of the brush body via a connecting shaft. The chain is sleeved between the large sprocket and the small sprocket. A guide wheel is installed on the brush bracket, and the tension of the chain can be changed by adjusting the extension and retraction of the guide wheel.

[0016] As an improvement, the pneumatic clutch controls the movement of the friction plates or air bladder through changes in air pressure, thereby enabling the gearbox to connect or disconnect from the diesel engine.

[0017] When the diesel engine comes to an emergency stop, the pneumatic clutch disconnects the power connection between the diesel engine output shaft and the gearbox before the diesel engine output shaft is braked, allowing the drive shaft, gearbox, sprocket assembly and brush body to rotate freely due to inertia.

[0018] As an improvement, the brush holder is a multi-ribbed metal structure, and a snow curtain made of padded rubber is installed on the brush holder; ski boots are provided on both sides of the brush holder, and the ski boots can be lowered when the snow brush is stored or transported.

[0019] Bearings are installed at both ends of the brush holder, and the rotating shaft of the brush body is rotatably connected to the bearings of the brush holder.

[0020] A second aspect of the present invention also provides a method for operating the aforementioned self-powered snow brush, comprising the following steps:

[0021] When the diesel engine is started, the pneumatic clutch connects the diesel engine to the gearbox, and the power is transmitted to the gearbox via the drive shaft.

[0022] The gearbox outputs power to drive the sprocket assembly, which in turn drives the brush body to rotate and clear snow.

[0023] During normal shutdown, first disconnect the pneumatic clutch power connection, then shut down the diesel engine; if the diesel engine stops suddenly, disconnect the pneumatic clutch from the gearbox in advance, allowing the drive shaft, gearbox, sprocket assembly and brush body to idle due to inertia, thus preventing the drive shaft from breaking.

[0024] A third aspect of the present invention also provides a snow removal device, wherein the snow removal device is equipped with the aforementioned self-powered snow brush.

[0025] Compared with the prior art, the beneficial effects of the present invention are:

[0026] (1) The radiator assembly, air filter, and pneumatic clutch are rigidly connected to the diesel engine and installed as a whole on one side of the brush bracket. At the same time, the gearbox is independently installed on the other side of the brush bracket. The gearbox achieves power linkage with the diesel engine through the drive shaft (using a universal joint structure to adapt to the installation spacing of the components on both sides). In addition, the fuel tank is fixed on the brush cover frame near the gearbox, thus forming a multi-point distributed arrangement on both sides. Through the multi-point distributed arrangement on both sides, the problem of the front pressing down due to the unilateral weight imbalance in the existing technology is completely avoided, and the machine achieves a stable working state with the center of gravity in the middle and no deviation during operation. This layout design not only ensures the efficient transmission of power from the diesel engine to the gearbox, but also improves the lateral stability of the snow brush during operation through balanced weight distribution, effectively avoiding the problem of uneven contact between the brush body and the ground caused by the center of gravity shift, laying a structural foundation for stable snow removal.

[0027] (2) Addressing the pain point of engine emergency stop under severe working conditions in the snow removal industry: When the engine stops suddenly, the output shaft brakes and stops rotating, but the brush body, due to its large weight and strong inertia, will still drive the transmission mechanism (sprocket assembly, reducer, drive shaft) to continue rotating. This causes the reverse circumferential force to converge on the relatively fragile drive shaft, which can easily cause the drive shaft to break. The pneumatic clutch equipped on the diesel engine in this invention can disconnect the power connection between the reducer and the engine in advance before the start-stop operation ends and the engine brakes, allowing the sprocket assembly to run unloaded with the inertia of the brush body, fundamentally solving the above-mentioned transmission system damage problem and improving equipment reliability. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a top view of a partial structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the sprocket assembly of the present invention;

[0031] Figure 3 This is a schematic diagram of the caster assembly of the present invention;

[0032] Figure 4 This is a schematic diagram of the installation structure of the drive shaft of the present invention;

[0033] Figure 5 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0034] Figure 6 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0035] In the diagram: 1. Snow brush assembly, 1-1. Mounting bracket, 1-2. Lifting cylinder, 1-3. Swing cylinder, 1-4. Contouring frame, 1-5. Rotating frame, 1-6. Brush bracket, 1-7. Brush cover frame, 1-8. Brush body, 1-9. Caster assembly, 1-9-1. Adjusting nut, 1-9-2. Caster seat, 1-9-3. Caster axle, 1-9-4. Caster, 1-10. Upper connecting frame, 1-11. Lower connecting frame, 1-12. Snow curtain, 1-13. Ski boot; 2. Power system, 2-1. Radiator assembly, 2-2. Diesel engine, 2-3. Air filter, 2-4. Drive shaft, 2-5. Gearbox, 2-6. Fuel tank, 2-7. Small sprocket, 2-8. Chain, 2-9. Guide wheel, 2-10. Large sprocket; 3. Hydraulic system. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this application will be described in detail below through specific embodiments. It should be understood that the embodiments of this application and the specific features in the embodiments are detailed descriptions of the technical solutions of this application, rather than limitations on the technical solutions of this application. In the absence of conflict, the embodiments of this application and the technical features in the embodiments can be combined with each other.

[0037] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0038] This embodiment provides at least one self-powered snow brush, which mainly includes a snow brush assembly 1 and a power system 2;

[0039] like Figure 1 , Figure 2 and Figure 5 As shown, the snow brush assembly 1 serves as a working module, including a brush bracket 1-6, a brush cover frame 1-7, a brush body 1-8, and a caster assembly 1-9. The brush body 1-8 is rotatably mounted on the brush bracket 1-6 to ensure rotational stability during snow removal. The brush cover frame 1-7 is fixedly connected to the brush bracket 1-6 and covers the brush body 1-8, forming a protective and snow-blocking structure. The caster assembly 1-9 adopts an adjustable design and is also connected to the brush bracket 1-6 to adapt to different ground conditions.

[0040] like Figure 1 , Figure 2 and Figure 4As shown, the power system 2 serves as the core for independent power output and transmission, including a diesel engine 2-2, a reduction gearbox 2-5, a fuel tank 2-6, and a sprocket assembly. The diesel engine 2-2 is integrated with the radiator assembly 2-1, the air filter 2-3, and the pneumatic clutch to form a unified power module. This module is installed on one side of the brush bracket 1-6 to form a centralized power source. The cooling water interface of the diesel engine 2-2 is connected to the inlet and outlet water pipes of the radiator assembly 2-1 to form a closed-loop cooling circuit. The radiator assembly 2-1 is rigidly fixed to the side of the cylinder block of the diesel engine 2-2 through a bracket. The air outlet of the air filter 2-3 is connected to the air inlet of the diesel engine 2-2. The air filter 2-3 is fixed to the top or side of the diesel engine 2-2 through a bracket. The input end of the pneumatic clutch is coaxially connected to the output shaft of the diesel engine 2-2 through a rigid coupling. The air interface of the pneumatic clutch is connected to the engine's own air control system (or independent air pump) through an air pipe.

[0041] The gearbox 2-5 is installed on the other side of the brush bracket 1-6. Its input end is rigidly connected to the output end of the pneumatic clutch via the drive shaft 2-4 (the two ends of the drive shaft are respectively connected to the input shaft of the gearbox and the output shaft of the clutch via universal joints to ensure that the power transmission angle is adapted). The gearbox 2-5 is rigidly fixed to the brush bracket 1-6 via the bottom mounting seat. The output shaft of the gearbox 2-5 is fixedly connected to the small sprocket 2-7 in the sprocket assembly via a flat key. The small sprocket 2-7 forms a transmission engagement with the large sprocket 2-10 on the rotating shaft of the brush body 1-8 via the chain 2-8, thereby transmitting power to the brush body 1-8 and driving it to rotate to achieve snow removal operation. The oil outlet of the fuel tank 2-6 is connected to the oil inlet of the diesel engine 2-2 via a fuel pipeline (a one-way valve is installed in the pipeline to prevent backflow). The fuel tank 2-6 is fixed to the brush cover bracket 1-7 near the gearbox 2-5 by welding brackets or bolts, which shortens the fuel delivery path to reduce loss and balances the load on both sides of the brush bracket 1-6 through weight distribution.

[0042] In some embodiments, such as Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, the snow wiper assembly 1 also includes a bracket 1-1, a lifting cylinder 1-2, a contour frame 1-4, an upper connecting frame 1-10, and a lower connecting frame 1-11. The components are connected to form a snow wiper lifting and adjusting structure. The lifting cylinder 1-2 is connected to the hydraulic system 3, and its two ends are respectively hinged to the bracket 1-1 and the upper connecting frame 1-10 through pins, ensuring that the upper connecting frame 1-10 can rotate flexibly when the cylinder extends or retracts.

[0043] The two ends of the upper connecting frame 1-10 and the lower connecting frame 1-11 are also hinged to the hanging frame 1-1 and the contour frame 1-4 respectively by pins, so that the upper connecting frame 1-10, the lower connecting frame 1-11, the hanging frame 1-1 and the contour frame 1-4 together form a parallel four-bar linkage structure; during operation, the lifting cylinder 1-2 is extended and retracted by the hydraulic system 3, which can adjust the relative position of the contour frame 1-4 and the hanging frame 1-1, and finally realize the stable lifting and lowering function of the snow wiper.

[0044] In some embodiments, such as Figure 1 As shown, the snow brush assembly 1 also includes a rotating frame 1-5, which forms a double cooperative connection structure with the contour frame 1-4 through a hinge pin and a limiting pin. The rotating frame 1-5 and the contour frame 1-4 are rotatably connected through the hinge pin, so that the two can rotate flexibly relative to each other around the hinge point, so that the snow brush has the ability to adjust its shape. During operation, it can automatically adapt its angle according to the undulations of the road surface (such as small slopes and slight potholes) to ensure that the brush body 1-8 is always in close contact with the ground.

[0045] The limiting pin is installed on the copying frame 1-4, and the rotating frame 1-5 has a limiting groove. The limiting pin of the copying frame 1-4 moves within the limiting groove of the rotating frame 1-5 to adjust the relative rotation angle between the two. By cooperating with the limiting pin and the limiting groove, the maximum rotation range of the rotating frame 1-5 and the copying frame 1-4 is limited, which retains a certain degree of copying flexibility and prevents excessive rotation from causing component collisions (such as interference between the rotating frame and the hanger) or overload of the transmission mechanism (such as excessive stretching of the cylinder piston rod), thus significantly improving structural safety and service life.

[0046] In some embodiments, the bottom of the rotating frame 1-5 is provided with a spring assembly for flexible operation and automatic reset of the contouring motion. From the perspective of contouring operation, the rotating frame 1-5 is rotatably connected to the contouring frame 1-4 via a hinge pin. During operation, the angle needs to be adjusted according to the road surface undulations to ensure that the brush body 1-8 is in contact with the ground. The spring assembly, through its own elastic properties, provides flexible buffering for the angle changes of the rotating frame 1-5. Furthermore, when the snow brush moves from an undulating road surface to a smooth road surface, the spring assembly, with its own rebound force, can automatically reset the rotating frame 1-5 to the initial working angle, eliminating the need for manual adjustment. This reduces the workload of operators and allows for a quick return to the standard snow-clearing posture, ensuring operational efficiency.

[0047] In some embodiments, such as Figure 1 , Figure 5As shown, the rotating frame 1-5 forms a hinged structure with the brush bracket 1-6 via a pin, allowing the brush bracket 1-6 to flexibly rotate relative to the rotating frame 1-5 around the pin, providing a basic degree of rotational freedom for the snow wiper's swaying action. A swing cylinder 1-3 is installed between the brush bracket 1-6 and the hanger 1-1. The swing cylinder 1-3 is connected to the hydraulic system 3, achieving extension and retraction via hydraulic drive. The extension and retraction of the swing cylinder 1-3 can precisely adjust the angle between the brush bracket 1-6 and the hanger 1-1 (e.g., controlled within ±30°), directly realizing the snow wiper's swaying function, enabling the equipment to flexibly adapt to snow removal needs in special scenarios such as curbs and curves. Combined with the hinged structure of the rotating frame 1-5 and the brush bracket 1-6, the swaying action is smoother and without jamming. Simultaneously, the single-acting swing cylinder design simplifies the hydraulic pipeline layout, reduces leakage risk and manufacturing costs, and balances operational flexibility with structural economy.

[0048] In some embodiments, such as Figure 2 , Figure 3 , Figures 5-6 As shown, the caster assembly 1-9 adopts a symmetrical layout design, with two sets installed on both sides of the brush bracket 1-6 respectively, to avoid the brush body tilting caused by uneven weight distribution on one side, ensure a regular snow removal trajectory, ensure balanced lateral force on the whole machine, and provide stable support for the brush body 1-8.

[0049] Each caster assembly 1-9 includes a caster axle 1-9-3, a caster seat 1-9-2, a caster 1-9-4, and two adjusting nuts 1-9-1. These components work together to provide support and depth adjustment. The upper end of the caster axle 1-9-3 is threaded, and its lower end is fixedly connected to the caster 1-9-4. One end of the caster seat 1-9-2 is fitted onto the upper end of the caster axle 1-9-3, and the other end is rigidly connected to the brush bracket 1-6, forming a stable support frame. The two adjusting nuts 1-9-1 are respectively installed on the threaded section of the caster axle 1-9-3 and located on the upper and lower sides of the caster seat 1-9-2. By simultaneously turning the adjusting nuts 1-9-1, the vertical position of the caster axle 1-9-3 relative to the caster seat 1-9-2 can be changed, thereby driving the caster 1-9-4 to rise and fall, ultimately precisely controlling the contact depth (i.e., ground contact depth) between the brush body 1-8 and the ground. The structure of double adjusting nuts and threaded shaft is more stable than the traditional single adjustment method, which can prevent the caster axle from loosening during operation and causing the ground depth to deviate. Moreover, the ground depth can be flexibly adjusted without disassembling the parts, which can adapt to different thicknesses of snow (deeper ground depth for thick snow to enhance snow removal power, and shallower ground depth for thin snow to reduce brush wear) and compensate for the wear of brush blades after long-term use, so as to always ensure thorough snow removal.

[0050] In some embodiments, such as Figure 2As shown, the sprocket assembly, as the core component of power transmission, includes a small sprocket 2-7, a chain 2-8, and a large sprocket 2-10, which, together with the guide wheel 2-9, form a high-efficiency transmission system.

[0051] The small sprocket 2-7 is rigidly connected to the output shaft of the gearbox 2-5 via a connecting shaft, and the large sprocket 2-10 is fixed to the rotating shaft of the brush body 1-8 via a connecting shaft. The chain 2-8 is wrapped around the two large sprockets to form a closed transmission path. In this way, the power output from the gearbox 2-5 is efficiently converted into the rotational power of the brush body 1-8 through the transmission sequence of the small sprocket 2-7, the chain 2-8, and the large sprocket 2-10, thus realizing snow removal operation. Compared with belt drive, the meshing transmission of sprockets and chains eliminates the risk of slippage in low-temperature environments (avoiding transmission failure caused by belt hardening at low temperatures). In addition, the brush bracket 1-6 is equipped with a guide wheel 2-9. By adjusting its extension and retraction, the tension of the chain 2-8 can be precisely controlled. The tension adjustment function of the guide wheel 2-9 can adjust the tightness in real time according to the wear of the chain, preventing the chain from being too loose and causing tooth skipping, and avoiding excessive tightness that aggravates bearing wear and extends the service life of the transmission components.

[0052] In some embodiments, the pneumatic clutch, as a key control component for power transmission, drives the friction plates to engage or the airbag to extend and retract through changes in air pressure, thereby achieving power on / off control between the diesel engine 2-2 and the reduction gearbox 2-5.

[0053] When the diesel engine 2-2 stops suddenly, the pneumatic clutch can cut off the power transmission path in advance before the engine output shaft is fully braked, that is, cut off the power connection between the diesel engine 2-2 and the reduction gearbox 2-5 in advance. This design can avoid the reverse torque generated by the inertial rotation of the brush body 1-8 and the engine braking torque from converging at the transmission shaft 2-4, fundamentally solving the problem of easy breakage of the transmission shaft in traditional rigid transmission. It is especially suitable for frequent start-stop or sudden working conditions in snow removal operations, significantly improving the reliability of the transmission system and the service life of the equipment.

[0054] In some embodiments, the brush holder 1-7 adopts a multi-ribbed metal structure design. The multi-ribbed layout can significantly improve the overall structural rigidity and impact resistance. During snow removal operations, it can effectively resist the impact of snow particles and ice slag, and prevent the brush holder 1-7 from being deformed due to external pressure. At the same time, this structure provides a stable support platform for the fuel tank 2-6, ensuring that the fuel tank 2-6 does not shake when operating on bumpy roads, and ensuring stable fuel supply.

[0055] In addition, such as Figure 2 , Figure 5As shown, the brush cover frame 1-7 is equipped with a snow curtain 1-12 made of interlocking rubber material, which is both elastic and wear-resistant. It can conform to the ground with the slight undulation of the brush body 1-8, and is not easily damaged by long-term friction. It can effectively block snow particles and ice chips splashed during snow removal, and prevent snow particles from obstructing the driver's cab vision or splashing onto the operator. This improves the safety of the operation and reduces the secondary cleaning work caused by snow particles falling.

[0056] In some embodiments, such as Figure 2 , Figure 5 As shown, the brush bracket 1-6 is equipped with sliding shoes 1-13 on both sides. When the snow brush is stored or transported, the sliding shoes 1-13 can be lowered to support it on the ground. This avoids the brush body 1-8 from directly contacting the ground when not in operation, which could cause the brush blades to deform or wear. It also allows the equipment to be moved short distances easily through the sliding contact between the sliding shoes and the ground, improving the convenience of transportation. In addition, bearings are installed at both ends of the brush bracket 1-6. The rotating shaft of the brush body 1-8 forms a rotational fit with the bearings, ensuring the concentricity and stability of the brush body 1-8 when rotating. This reduces vibration and noise caused by shaft wobble, reduces the risk of uneven wear of the brush blades, and improves power transmission efficiency, so that the brush body can still maintain stable rotation when clearing snow under high load.

[0057] This embodiment provides at least one method for operating the self-powered snow brush, including the following steps:

[0058] (1) Preparatory work and initial adjustment: By turning the adjusting nut 1-9-1 of the caster assembly 1-9, the relative position of the caster axle 1-9-3 and the caster seat 1-9-2 is changed, and the ground contact depth of the brush body 1-8 is precisely controlled. At the same time, the extension and retraction of the guide wheel 2-9 are checked to ensure that the tension of the chain 2-8 of the sprocket assembly is appropriate and to avoid transmission slippage.

[0059] (2) Power start and transmission connection: Start the diesel engine 2-2, fuel tank 2-6 supplies fuel to the engine, radiator assembly 2-1 and air filter 2-3 ensure stable engine operation; the pneumatic clutch controls the friction plate / airbag to connect the diesel engine 2-2 and the reduction gearbox 2-5 through air pressure, and the power is transmitted to the reduction gearbox 2-5 through the drive shaft 2-4;

[0060] (3) Brush body drive and snow removal operation: The gearbox 2-5 outputs power to drive the small sprocket 2-7 to rotate, and drives the large sprocket 2-10 on the shaft of the brush body 1-8 through the chain 2-8, so that the brush body 1-8 rotates around the bearings at both ends of the brush bracket 1-6; when the equipment moves, the rotating brush body 1-8 removes the snow, the brush cover frame 1-7 (a multi-ribbed metal structure) protects the brush body, the rubber snow curtain 1-12 on its outer side blocks the snow particles from splashing, and the parallel four-bar linkage structure (upper connecting frame 1-10, lower connecting frame 1-11, etc.) maintains the stability of the brush body;

[0061] (4) Adaptive adjustment of working posture: When encountering road undulations, the rotating frame 1-5 and the contour frame 1-4 rotate relative to each other around the hinge pin, and the limiting pin moves in the limiting groove of the rotating frame 1-5 to limit the maximum rotation angle; the spring assembly at the bottom of the rotating frame 1-5 realizes flexible buffering of the contouring action, and automatically drives the rotating frame 1-5 to reset after the road surface is flat; when it is necessary to adjust the snow removal direction, the hydraulic system 3 controls the extension and retraction of the swing cylinder 1-3 to adjust the angle between the brush bracket 1-6 and the hanging frame 1-1 to realize the snow brush swing; the brush body lifting and lowering is completed by the hydraulic system 3 controlling the extension and retraction of the lifting cylinder 1-2, which drives the upper connecting frame 1-10 to twist.

[0062] (5) Shutdown and protection: When shutting down normally, first disconnect the power connection of the pneumatic clutch, and then shut down the diesel engine 2-2; if the diesel engine 2-2 stops suddenly, the pneumatic clutch disconnects its connection with the gearbox 2-5 in advance, so that the drive shaft 2-4, gearbox 2-5, sprocket assembly and brush body 1-8 rotate freely by inertia to avoid the drive shaft from breaking.

[0063] This embodiment provides at least one snow removal device with strong structural adaptability. This snow removal device can specifically be a wheeled snowplow, a tracked snowplow, or a multi-functional road maintenance vehicle, etc. The working end of the snow removal device (usually a front or side working bracket) is stably assembled with the aforementioned self-powered snow brush via bolt connections, pin hinges, or quick-release buckle structures. During assembly, the snow brush bracket 1-1 is rigidly fixed to the working arm of the snow removal device, while a hydraulic interface is reserved for connection to the hydraulic system 3 of the snow removal device, ensuring that the snow brush can perform snow removal operations synchronously with the movement of the snow removal device.

[0064] By integrating this self-powered snow brush into snow removal equipment, the independent diesel engine 2-2, adaptive contouring structure (rotating frame 1-5, contouring frame 1-4 and spring assembly), and yaw adjustment function (swing cylinder 1-3) of the snow brush can overcome the shortcomings of traditional snow removal equipment that relies on the main engine power. It can be adapted to the large-area snow removal on smooth roads, as well as the complex snow removal needs of potholes and curb areas, significantly improving the adaptability of snow removal equipment and the thoroughness of snow removal.

[0065] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A self-powered snow brush, characterized in that, include: A snow brush assembly (1) includes a brush bracket (1-6), a brush cover bracket (1-7), a brush body (1-8), and a caster assembly (1-9). The brush body (1-8) is rotatably mounted on the brush bracket (1-6). The brush cover bracket (1-7) is connected to the brush bracket (1-6) and located above the brush body (1-8). The caster assembly (1-9) is an adjustable structure and is connected to the brush bracket (1-6). The power system (2) includes a diesel engine (2-2), a gearbox (2-5), a fuel tank (2-6), and a sprocket assembly. The diesel engine (2-2) is connected to the radiator assembly (2-1), the air filter (2-3), and the pneumatic clutch to form a whole, which is installed on one side of the brush bracket (1-6). The gearbox (2-5) is installed on the other side of the brush bracket (1-6). The gearbox (2-5) is connected to the pneumatic clutch through the drive shaft (2-4). The output shaft of the gearbox (2-5) drives the brush body (1-8) to rotate for snow removal through the sprocket assembly. The fuel tank (2-6) is connected to the diesel engine (2-2) and is installed on the brush cover bracket (1-7) on the side near the gearbox (2-5).

2. The self-powered snow brush according to claim 1, characterized in that, The snow brush assembly (1) also includes a bracket (1-1), a lifting cylinder (1-2), a contour bracket (1-4), an upper connecting bracket (1-10), and a lower connecting bracket (1-11); The lifting cylinder (1-2) is connected to the hydraulic system (3), and the two ends of the lifting cylinder (1-2) are connected to the bracket (1-1) and the upper connecting bracket (1-10) respectively through pins; Both ends of the upper connecting frame (1-10) and the lower connecting frame (1-11) are connected to the hanging frame (1-1) and the contour frame (1-4) respectively by pins. The upper connecting frame (1-10), the lower connecting frame (1-11), the hanging frame (1-1) and the contour frame (1-4) form a parallel four-bar linkage structure. By controlling the extension and retraction of the lifting cylinder (1-2), the relative position of the contour frame (1-4) and the hanging frame (1-1) can be adjusted to realize the lifting and lowering function of the snow wiper.

3. A self-powered snow brush according to claim 2, characterized in that, The snow brush assembly (1) also includes a rotating frame (1-5), which is connected to the contour frame (1-4) via a hinge pin and a limiting pin. Both the rotating frame (1-5) and the contour frame (1-4) can rotate around the hinge pin. The limiting pin is installed on the contour frame (1-4). A limiting groove is opened on the rotating frame (1-5). The limiting pin of the contour frame (1-4) moves within the limiting groove of the rotating frame (1-5) to adjust the relative rotation angle between the two.

4. A self-powered snow brush according to claim 3, characterized in that, The bottom of the rotating frame (1-5) is equipped with a spring assembly to realize the flexible operation and automatic reset of the contouring motion; And / or, the rotating frame (1-5) is connected to the brush bracket (1-6) by a pin, and both the brush bracket (1-6) and the rotating frame (1-5) can rotate around the pin. A swing cylinder (1-3) is installed between the brush bracket (1-6) and the hanger (1-1). The swing cylinder (1-3) is connected to the hydraulic system (3). The swing cylinder (1-3) is used to adjust the angle range between the brush bracket (1-6) and the hanger (1-1) to realize the swaying function of the snow brush.

5. A self-powered snow brush according to claim 1, characterized in that, The caster assembly (1-9) is provided in two sets, symmetrically installed on both sides of the brush bracket (1-6); Each set of caster assemblies (1-9) includes a caster axle (1-9-3), a caster seat (1-9-2), a caster (1-9-4), and two adjusting nuts (1-9-1). The upper end of the caster axle (1-9-3) is threaded, and the lower end is connected to the caster (1-9-4). The caster seat (1-9-2) is fitted onto the caster axle (1-9-3) and is connected to the brush bracket (1-6). The two adjusting nuts (1-9-1) are respectively installed on the upper and lower sides of the threaded part of the caster axle (1-9-3). By adjusting the adjusting nuts (1-9-1), the relative position of the caster axle (1-9-3) and the caster seat (1-9-2) can be changed, thereby controlling the ground contact depth of the brush body (1-8).

6. A self-powered snow brush according to claim 1, characterized in that, The sprocket assembly includes a small sprocket (2-7), a chain (2-8), and a large sprocket (2-10). The small sprocket (2-7) is connected to the output shaft of the gearbox (2-5) via a connecting shaft. The large sprocket (2-10) is connected to the rotating shaft of the brush body (1-8) via a connecting shaft. The chain (2-8) is sleeved between the large sprocket (2-10) and the small sprocket (2-7). A guide wheel (2-9) is installed on the brush bracket (1-6). The tension of the chain (2-8) can be changed by adjusting the extension and retraction of the guide wheel (2-9).

7. A self-powered snow brush according to claim 6, characterized in that, The pneumatic clutch controls the movement of the friction plates or air bladder through changes in air pressure, thereby enabling the gearbox (2-5) to connect or disconnect the power supply to the diesel engine (2-2). When the diesel engine (2-2) stops suddenly, the pneumatic clutch disconnects the power connection between the output shaft of the diesel engine (2-2) and the gearbox (2-5) before the output shaft of the diesel engine (2-2) is braked, so that the drive shaft (2-4), gearbox (2-5), sprocket assembly and brush body (1-8) can rotate freely due to inertia.

8. A self-powered snow brush according to claim 1, characterized in that, The brush cover frame (1-7) is a multi-ribbed metal structure, and a snow curtain (1-12) made of padded rubber is installed on the brush cover frame (1-7); The brush holder (1-6) is provided with slippers (1-13) on both sides, and the slippers (1-13) can be put down when the snow brush is stored or transported; the brush holder (1-6) is equipped with bearings at both ends, and the rotating shaft of the brush body (1-8) is rotatably connected to the bearings of the brush holder (1-6).

9. A method for operating a self-powered snow brush according to any one of claims 1-8, characterized in that, Includes the following steps: Start the diesel engine (2-2), and the pneumatic clutch connects the diesel engine (2-2) to the gearbox (2-5). The power is transmitted to the gearbox (2-5) via the drive shaft (2-4). The gearbox (2-5) outputs power to drive the sprocket assembly and drive the brush body (1-8) to rotate and clear snow; During normal shutdown, first disconnect the pneumatic clutch power connection, then shut down the diesel engine (2-2); if the diesel engine (2-2) stops suddenly, disconnect the pneumatic clutch from the gearbox (2-5) in advance, so that the drive shaft (2-4), gearbox (2-5), sprocket assembly and brush body (1-8) rotate freely due to inertia, thus avoiding the drive shaft from breaking.

10. A snow removal device, characterized in that, The snow removal equipment is equipped with a self-powered snow brush as described in any one of claims 1-8.

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