443results about "Brake cooling" patented technology

The invention discloses an axle staged cooling system, an axle staged cooling assembly and an engineering vehicle. The axle staged cooling system comprises an engine first-stage cooling system, an engine second-stage cooling system, an axle first-stage cooling system and an axle second-stage cooling system. Each stage of cooling system controls cooling water and oil path trend through a thermolator in each loop, controls axle cooling oil and engine cooling water to exchange heat, and meets different cooling requirements of an axle. The temperature sensor in each loop outputs water and oil temperature signals to a motor of the cooling fan, so that the rotating speed of the fan is increased to different degrees along with the temperature rise of each cooling system, and different cooling powers are matched. According to the grading system, the engine and the axles can work at the proper temperature at the same time, the two heat exchangers cool cooling oil of the front axle, cooling oil of the middle axle and cooling oil of the rear axle respectively, the cooling capacity of the front axle is improved, the braking effectiveness of the front axle is guaranteed, and rollover caused by serious backward movement of the gravity center of a vehicle during emergency braking is prevented.

The invention discloses a water-cooling and air-cooling combined heat dissipation type double-brake system and a brake control method, and the brake system comprises brake discs arranged corresponding to wheels; the two brake execution assemblies are arranged on the two sides of the brake disc correspondingly, each brake execution assembly is provided with a plurality of brake pad sets arranged in the circumferential direction of the brake disc, and the brake pad sets are driven by hydraulic assistance generated by a hydraulic booster to be pressed on the surface of the brake disc so as to execute the braking action; a heat dissipation air opening penetrating through the inside and the outside is formed in the brake execution assembly; the double-atomization assembly is borne by the brake execution assemblies and used for supplying wind power and atomized water into the brake execution assemblies; the double-atomization assembly comprises a mounting shell sleeve; the atomizing nozzle is connected with a high-pressure water pump; a high-speed fan; a temperature sensor; and a main controller. The braking force can be greatly increased, the braking effect is improved, heat dissipation is uniform, and the excellent heat dissipation effect is achieved.

The invention belongs to the technical field of engineering machinery, and discloses a transmission system and engineering machinery. The transmission system comprises an integrated shell, a motor assembly, a brake assembly and a speed reducer assembly, the motor assembly, the brake assembly and the speed reducer assembly are arranged in the integrated shell and distributed in the first direction, an output piece of the motor assembly is in transmission connection with an input piece of the speed reducer assembly through the brake assembly, and an output piece of the speed reducer assembly is connected with the hub. The integrated shell is provided with a cooling channel set, and the cooling channel set can conduct heat dissipation on the motor assembly, the brake assembly and the speed reducer assembly at the same time. By arranging the integrated shell, the structure of a transmission system can be simplified, the cost can be reduced, the machining consistency is good, the supporting rigidity is better, and transmission errors caused by structural deformation are reduced; the cooling channel group is arranged on the integrated shell, so that the motor assembly, the brake assembly and the speed reducer assembly can be cooled at the same time by only one cooling system, the utilization rate of the cooling system is improved, the cooling efficiency is high, and the service life of the system is prolonged.

The invention relates to the technical field of automobile hub manufacturing, in particular to an automobile hub capable of actively reducing wind resistance. Comprising a wheel rim, a spoke frame is fixedly connected to the wheel rim, a transmission rod is fixedly connected to the spoke frame, a friction disc is fixedly connected to the transmission rod, calipers are arranged on the friction disc, the transmission rod is rotationally connected with a limiting plate, a wind blocking frame is fixedly connected to the limiting plate, and a supporting ring is fixedly connected to the wind blocking frame. The supporting ring is rotationally connected with the wheel rim, the transmission rod is slidably connected with extrusion frames distributed in an array mode in the circumferential direction, and tension springs distributed in a mirror image mode are arranged between the extrusion frames and the transmission rod. According to the hub, the air blocking frame is matched with the spoke frame, the air inlet state of the rim is adaptively switched according to the specific driving state of an automobile, so that the hub gives consideration to'low wind resistance 'at high moving speed and'efficient heat dissipation' at medium and low moving speed, and the stability of an automobile braking system is guaranteed while the endurance of the automobile is improved.

The invention relates to a device (100) for heat distribution for a motor vehicle (200). The device (100) comprises a fuel cell (1), a braking resistor (2) for converting electrical energy into heat energy, and a temperature control circuit (10) through which a temperature control fluid flows for temperature control of the fuel cell (1) and the braking resistor (2). The temperature control circuit (10) is thermally coupled to the fuel cell (1) and the braking resistor (2) and has a main heat exchanger (14) through which air can flow and a switchable auxiliary heat exchanger (16), preferably also through which air can flow, such that preferably the fuel cell (1) and the braking resistor (2) can be thermally coupled via the temperature control circuit (10) either to the main heat exchanger (14) and auxiliary heat exchanger (16) or only to the main heat exchanger (14), wherein: The temperature control circuit (10) has a piping system (11) and a valve assembly (13) in the piping system (11), wherein the valve assembly (13) is adjustable to several different settings for adjusting the flow of the temperature control fluid within the temperature control circuit (10), including: a high-load setting in which both the main heat exchanger (14) and the auxiliary heat exchanger (16) can be supplied with the temperature control fluid, wherein in the high-load setting the main heat exchanger (14) and the auxiliary heat exchanger (16) can be connected either in parallel or in series to each other, preferably by means of the valve assembly (13).

The utility model discloses an off-highway dumper drive-by-wire brake spraying system and an off-highway dumper, and the off-highway dumper drive-by-wire brake spraying system comprises a gas path consisting of a gas tank, a one-way valve, a pressure reducing valve, a first electric ball valve and a water spraying tank which are connected in sequence, the water path consists of the water spraying tank, a filter, a second electric ball valve, an electromagnetic valve and a high-precision nozzle which are connected in sequence; the system further comprises an integrated electronic control unit, a controller local area network bus and a temperature sensor; the temperature sensor is in communication connection with the integrated electronic control unit through the controller local area network bus. The integrated electronic control unit is in communication connection with the first electric ball valve, the second electric ball valve and the electromagnetic valve. The high-precision nozzle and the temperature sensor are arranged at the positions right opposite to the friction face of the brake drum. The temperature of the brake drum is obtained in real time, the spraying water amount and the spraying time of the nozzle are controlled, the spraying opportunity is more accurate, and the water spraying amount meets the actual requirement.

The utility model provides a multifunctional integrated automobile steering yoke, which relates to the technical field of steering yokes and comprises a yoke head, a hub connecting end is arranged at the bottom of the yoke head, a heat dissipation component is arranged at the bottom of the yoke head and consists of a sleeve fixedly connected to the bottom of the yoke head, and a plurality of groups of grooves are formed in the outer surface of the sleeve. Connecting pieces are slidably connected to the two sides of the outer surface of the sleeve, sliding pieces are fixedly connected to the side faces of one ends of the connecting pieces, sealing pieces are arranged on the side faces of the rubber pistons, heat conduction blocks are arranged on the two sides of the bottom of the sleeve, and one ends of the heat conduction blocks are slidably connected with cooling fins arranged at the bottom of the chassis. During braking, firstly, the joint fork head and the fixing ring are installed at the bottom of the steering pull rod, then the hub connecting end is fixedly connected to the side face of a hub, and after installation is completed, in the normal running process of an automobile, heat generated by braking can be dissipated through cooperation of the heat conduction block and the groove.

The utility model relates to the technical field of automobiles, in particular to a cooling device of a vehicle brake system and an automobile, and the cooling device comprises a cooling assembly, a driving assembly and a switch, the cooling assembly comprises a support, a mounting disc and a water storage tank, the mounting disc is arranged beside a hub of the vehicle body, connected to the vehicle body through the support and connected to a wheel shaft through a bearing, a water spraying opening is formed in the mounting disc and connected with the water storage tank through a water pipe, and the water storage tank is arranged on the vehicle body. The driving assembly is arranged on the vehicle body, connected with the water storage tank and used for driving water in the water storage tank to the water spraying opening to be sprayed out; the switch is arranged in the cab and electrically connected with the driving assembly. When a brake system is overheated, a driver can quickly start the driving assembly through the switch in a cab, the driving assembly drives water in the water storage tank to be sprayed out through the water pipe to the water spraying opening to act on a brake pad, a brake disc or an outline, physical cooling can be conducted on the brake system, and the brake system is prevented from losing efficacy due to overheating.

The utility model discloses a protection type automobile hub which comprises a hub body, a mounting frame is arranged on the inner wall of the hub body, a spraying pipe is arranged on the inner side of the mounting frame, a plurality of spraying holes are formed in one side of the spraying pipe and distributed in an array mode at equal intervals, a mounting plate is fixedly connected to one side of the mounting frame, and the mounting plate is fixedly connected to the other side of the mounting frame. A water pump is clamped to one side of the mounting plate, the output end of the water pump is fixedly connected with a water conveying pipe, the other end of the water conveying pipe is connected with a water inlet of the spraying pipe, and the other end of the water pump is connected with a water pumping pipe; a protection plate is connected to one side of the mounting frame in a clamped mode, and a plurality of heat dissipation openings are formed in the protection plate. According to the protective automobile hub, the temperature of parts such as the hub is prevented from being too high, thermal expansion of metal materials of the hub is prevented, deformation of the hub is avoided, controllability and stability of an automobile are guaranteed not to be affected, and safety of a user can be protected.

Disclosed is an aerodynamic device (200, 800) for guiding airflow around a wheel (201) of a vehicle (700), the device comprising: a wheel well (202) defining a wheel cavity (203) arranged to receive the wheel, the wheel cavity comprising an inlet (204) and an outlet (205), so that when the vehicle is in forward motion, incoming airflow (210) enters the wheel cavity at the inlet, moves through the wheel cavity, and exits the wheel cavity at the outlet; and an aerodynamic body (206) located in the wheel cavity and between the wheel well and the wheel, the aerodynamic body defining a first passage (208) between the aerodynamic body and the wheel well and a second passage (209) between the aerodynamic body and the wheel, so that when the incoming airflow moves through the wheel cavity, the incoming airflow is divided into a first airflow through the first passage and a second airflow through the second passage.

To reduce dimensions, design constraints, weight and cost of a duct to counteract heat generated by a braking device.SOLUTION: A front frame assembly for a motor vehicle includes a suspension attachment structure (12), a suspension (3) of the motor vehicle, and an absorption component to absorb a front crash of the motor vehicle. The absorption component is fixed relative to the suspension attachment structure (12) and extending in a projecting manner relative to the suspension attachment structure (12) along a first straight axis line until ending with one end opposite the suspension attachment structure (12). The assembly comprises a channel (20) extending with continuity through the absorption component and the suspension attachment structure (12) between an inlet opening (21) obtained at the end along the first axis and an outlet opening (22) obtained in the suspension attachment structure (12) along a second axis line transversal to the first axis line.SELECTED DRAWING: Figure 2

The present invention discloses a brake beam module and a brake structure containing the same, comprising an assembly beam, a connecting rod, a brake cylinder, and a cooler. The end of the assembly beam is rotatably connected to a wheel frame, and a wheel is installed on the surface of the wheel frame. When the wheel is braked, the first electrically controlled valve is opened, so that the high-pressure gas in the first gas tank controls the brake cylinder to contract, and the brake cylinder drives the brake seat and the brake pad to fit onto the wheel for braking. The brake pad contacts the rolling surface of the wheel with a large contact area, so that the wheel can stop rotating quickly to shorten the braking distance, and the brake pad and the wheel are cooled to avoid the problem of thermal attenuation of the brake pad. When the wheel is braked continuously, good braking force is maintained, and the brake pad clamps the wheel at two symmetrical points on the wheel, so that the friction resistance applied to the wheel is more uniform, and when the wheel is braked, the wheel is prevented from being subjected to different braking forces.

The utility model provides a train wind drainage device for ventilation inside a brake disc of a high-speed train, and belongs to the field of brake devices of high-speed trains. The train wind drainage device for ventilation in the brake disc of the high-speed train comprises a drainage assembly, and the drainage assembly comprises an axial sleeve and a drainage pipe. The axial sleeve is arranged on an axle of a bogie of the high-speed train in a sleeving mode, and the two ends, in the axial direction of the axial sleeve, of the axial sleeve communicate with the axial holes of the corresponding brake discs correspondingly. The drainage pipe is arranged in the advancing direction of the high-speed train in an extending mode and communicates with the axial sleeve, so that airflow formed by running of the high-speed train can flow to the hollow area of the brake disc through the drainage pipe, the axial sleeve and the axial hole, and an opening in the end, away from the axial sleeve, of the drainage pipe is an air collection opening. The connecting line of the centers of the two brake discs is a datum line, and the center of the air collecting opening is arranged on the side, close to a ballast bed, of the datum line in the vertical direction. The drainage device can improve the reliability of the brake disc.

The invention relates to a wheel for a vehicle, comprising a wheel hub (3) arranged centrally in the wheel (1), a wheel rim (5) arranged radially in the circumferential region of the wheel (1), and a wheel disc (7) arranged in the intermediate region between the wheel rim (5) and the wheel hub (3), which is divided into at least two separate movable disc segments (71, 73) whose angular position can be changed by an actuator (9) integrated into the wheel hub (3). In a wheel in which the cooling of the components arranged in and / or behind the wheel is improved, a central air passage opening (23, 41) is formed in the area near the actuator, which can be opened or closed by adjusting the disc segments (71, 73) by the actuator (9) controlling them.

The utility model provides a reinforcing frame for a water tank of a semitrailer. The reinforcing frame for the semitrailer water tank comprises a mounting plate, a mounting support, a damping assembly and a reinforcing assembly, the mounting plate is fixedly mounted on a semitrailer frame, the mounting support is fixedly arranged on the mounting plate and located on the side, away from the semitrailer frame, of the mounting plate, and the damping assembly is arranged on the mounting support and located on the side, away from the semitrailer frame, of the mounting plate. The installation support is arranged at the bottom end of the installation plate and connected with a semitrailer water tank, the damping assembly is used for relieving bumping vibration borne by the water tank in the semitrailer running process, the reinforcing assembly is arranged at the bottom end of the installation support and connected with the installation plate, and the reinforcing assembly is used for improving the stability of the installation support. According to the reinforcing frame for the water tank of the semitrailer, the impact force borne by the water tank in the driving process of the semitrailer is reduced through the arrangement of all the structures, and therefore the water tank is not prone to deformation or breakage, water leakage and the like.

The present application relates to the technical field of vehicle equipment, and especially to a refrigeration assembly, a recreational vehicle, a control method of the recreational vehicle and an electronic device. The refrigeration assembly is applied to the recreational vehicle and used for cooling a brake disc. The recreational vehicle is provided with a fabric treatment device, and the fabric treatment device is provided with a condensed water collecting unit. The refrigeration assembly comprises a connecting pipe, a spraying arm and a control unit. The connecting pipe is connected with the condensed water collecting unit. The spraying arm is communicated with the connecting pipe, and a plurality of spraying holes are arranged on the spraying arm. The control unit is used for controlling the opening number of the spraying holes according to the temperature of the brake disc, so as to spray the condensed water in the condensed water collecting unit on the brake disc. In the present application, the condensed water generated in the vehicle-mounted fabric treatment device is used to cool the brake disc, so that the brake disc is in a normal working temperature range, the use performance of the brake disc is ensured, and the user experience of the recreational vehicle is effectively improved.

The present invention relates to a distribution system for heat flows in a vehicle, comprising: a brake resistor (2) through which liquid can flow, to which a first circuit for heat storage medium (K1) is connected, in which a heating device (6) and / or a first heat exchanger (9) are also arranged, wherein a heat exchange between the brake resistor (2) through which liquid can flow and the heating device (6) and / or the first heat exchanger (9) is controllable. This means that heat generated by the braking resistor can also be used for other components of the vehicle.

The invention provides a hydraulic retarder control system, a vehicle and a hydraulic retarder control method.The hydraulic retarder control system relates to the technical field of automobile braking systems.The hydraulic retarder control system comprises an oil tank, an oil pump assembly and an oil pump assembly, an oil outlet of the oil pump assembly selectively communicates with an oil inlet of the gearbox through a gearbox adjusting valve; an oil outlet of the oil pump assembly selectively communicates with an oil inlet of the retarder through a first switch valve, and a first oil outlet of the retarder communicates with the oil tank; an oil outlet of the oil pump assembly selectively communicates with an oil inlet of the radiator through a second switch valve, and a second oil outlet of the retarder communicates with an oil inlet of the radiator; an oil outlet of the radiator selectively communicates with one of an oil inlet of the gearbox and an oil inlet of the retarder through the radiator adjusting valve. The problem that in the prior art, the performance of a hydraulic control system of a hydraulic retarder cannot meet the requirement is solved.

The invention discloses a forced air-cooled brake device for an electric wheel mine truck, which comprises a brake device and a traction motor, the traction motor comprises a rotor shaft, an inner shell and an outer shell, the rotor shaft is provided with an axial hole, a first radial through hole and a second radial through hole, and the first radial through hole and the second radial through hole are respectively communicated with the axial hole; an inner shell and an outer shell are arranged at the two ends of the traction motor respectively, and ventilation holes are formed in the inner shell. The brake device comprises an adapter and a brake disc, the adapter is provided with an inner diversion trench, the cylindrical surface is provided with an outer diversion trench, and an inclined hole is formed between the outer diversion trench and the inner diversion trench; the left side end part of the rotor shaft is mounted in the blind hole; the second through hole is communicated with the outer diversion trench; the brake disc is provided with a second through hole and a radial air channel communicated with the inner circumferential face and the outer circumferential face of the brake disc. The invention further discloses a cooling method of the forced air-cooled braking device for the mine truck with the electric wheels. The heat dissipation efficiency during braking is effectively improved, and heat fade during braking is avoided.

The invention discloses an inhaul cable transmission type active braking air duct grille assembly which comprises auxiliary grilles symmetrically arranged on the two sides of a main grille, and the two auxiliary grilles are linked through an inhaul cable assembly. Each auxiliary grille comprises a frame, blades erected in the frame through a rotating shaft and a driving assembly arranged on the outer side of the frame, the inhaul cable assemblies are connected with the driving assemblies respectively, a motor is arranged on the outer side of the auxiliary grille on one side and drives the driving assemblies to act, and the driving assemblies drive the auxiliary grille on the other side to act through the inhaul cable assemblies. The double-side grille has the beneficial effects that by means of the structure and the driving form, the synchronism of the grilles on the two sides is enhanced, the use of motors is reduced, the overall space occupation is small, the cost is low, and the use performance of a vehicle can be greatly improved through independent air duct control.

According to the multi-medium circulating system based on the hydraulic retarder, a large circulating oil way, a small circulating oil way and an exhaust passage are highly integrated on a retarder shell and a heat exchanger bottom plate, and the large circulating oil way and the small circulating oil way share a large circulating oil outlet channel, a small circulating oil outlet channel and a heat exchanger; an oil outlet exhaust passage, a large-small circulation oil outlet passage and a heat exchanger bottom plate covered channel form an independent exhaust passage, so that gas and oil media achieve efficient cooperation in large-small circulation and exhaust circulation, and meanwhile all-working-condition performance optimization of high torque precision and high continuous braking capacity under the braking working condition and low air loss and low temperature under the idling working condition is achieved. Meanwhile, the oil way is integrally formed on the inner side of the retarder shell, so that the sealing reliability and the structural strength of the system are remarkably improved; the oil leakage and oil pumping faults of the oil duct are completely eradicated from the source, the idling loss and the working temperature are remarkably reduced, the torque control precision is improved, the system integration degree and the operation reliability are improved, and cost reduction and efficiency improvement are achieved.

The invention discloses a front wheel variable spoiler control method, device and equipment and a storage medium, and relates to the technical field of vehicle aerodynamics. The method comprises the steps that under the condition that it is recognized that a target vehicle is in a normal driving state, the real-time brake disc temperature of the target vehicle is obtained; if the real-time brake disc temperature meets the safe temperature condition, the real-time vehicle speed of the target vehicle and the real-time gradient of the road surface where the target vehicle is located are obtained; if the real-time gradient meets the low-gradient condition, the height of a front wheel variable spoiler of the target vehicle is adjusted according to the real-time vehicle speed. According to the technical scheme, the height of the front wheel variable spoiler of the target vehicle is adjusted according to the successive judgment conditions of the brake disc temperature, the real-time vehicle speed and the real-time gradient of the target vehicle, on the basis that the height of the active front wheel variable spoiler is dynamically adjusted, the heat dissipation performance of the vehicle under the limiting working condition can be improved, and the service life of the vehicle is prolonged. And the perceptual quality, the trafficability and the aerodynamic performance of the vehicle are improved.

A device (1) for braking a wheel (2) of an aircraft, wherein the wheel hub (5a, 5b) is mounted for rotation about an axle (6), and comprises a stack of wheel discs (11) screwed onto a torque tube (12) attached to the axle and internally provided with a heat shield (20) extending opposite the outer surface (5.1) of the wheel hub facing the stack of wheel discs to protect the wheel hub from the heat radiation generated by the stack of wheel discs. The heat shield comprises a tubular body (21) coaxial with the torque tube and a plurality of retaining tabs (22) elastically deformable and fixed to the tubular body, each retaining tab and the inner surface (12.1) of the torque tube comprising an additional raised portion intended to engage with each other so as to secure the heat shield axially inside the torque tube. A wheel, landing gear and aircraft are provided with such a braking device.

A heat shield assembly comprising a plurality of heat shield components (300) each comprising a substantially C-shaped structure of heat shield material defining a substantially rectangular body having a top (310) and two opposing elongate side walls (320, 330) extending from respective opposite sides of the top to a bottom edge (340), the top and the side walls defining a substantially rectangular inner cavity to receive, in use, a rotor lug (110') on the periphery of a rotor disk (100') of a brake stack, each heat shield component further comprising flanges (360a, 360b, 360c, 360d) extending outwards from the bottom of the side walls at both sides and both ends of the heat shield component, and wherein the flanges are configured to allow overlap with a flange of an adjacent heat shield component, in use.

An electric-powered road vehicle comprises two front wheels and two rear wheels; at least one battery; at least one electric machine configured to convert electrical energy to kinetic energy and vice versa. The electric machine is connected, on one side, to at least one battery and, on another side, to at least one of said wheels in such a way that during the running or acceleration of the vehicle, the electric machine converts incoming electrical energy arriving from the battery into kinetic energy to be transmitted to at least one of said wheels. At least one dissipative braking device converts the kinetic braking energy of at least one of said wheels into heat. A resistor device is connected to the electric machine and is configured to convert incoming electrical energy arriving from the electric machine into heat.

A wheel cover (100) for covering an opening of a vehicle wheel (150) comprises a perforated cover (202) that is to be attached to the opening of the wheel (150) and has openings (204) to allow air to pass through. A studded cover (208) with projections (210) that correspond to the openings (204) of the perforated cover (202) is movably coupled to the perforated cover (202) to move from a closed position to an open position when the temperature of the brake components exceeds a preset temperature value. In the closed position of the studded cover (208), the projections (210) of the studded cover (208) engage in the corresponding openings (204) to close the openings (204) and to give an aerodynamic profile to an outer surface of the wheel cover (100).In the open position of the protrusion cover (208), the openings (204) allow air to pass through to cool the brake components located in the wheel (150).

The present invention provides a braking resistor system (10) for a vehicle, comprising at least one electronic unit (13) including an inverter (12), power electronics and / or a control unit, and a high-load resistor unit (11) electrically coupled to the electronic unit (13) and having a housing (16), wherein the electronic unit (13) and the high-load resistor unit (11) are arranged adjacent to each other and are electrically coupled via a phase-carrying busbar (23), and wherein a cooling device (14) is provided for the joint cooling of the high-load resistor unit (11) and the electronic unit (13), as well as a vehicle with such a braking resistor system (10).