362 results about "Heavy duty" patented technology

A Level IV fuel-saving robot system for heavy-duty trucks (HDT) focuses on the minimization of actual fuel consumption (L / 100 km) for long-haul freight based on an electrical power split device and a mixed hybrid powertrain architecture. The Level IV fuel-saving robot has an L4 autonomous driving function within the Operational Design Domain (ODD) of expressways, operates in a “shadow mode” or “Disengagement Mode,” automatically generates a discrepancy report or detachment report, completes the “3R” (Real Vehicle, Real Road, Real Payload) batch validation for an L4 system on a billion mile scale quickly with high performance to cost ratio under the condition of ensuring the traffic safety of existing road users and reduces the total validation expense by more than 65% compared with the modern HDT with internal combustion engine equipped with the L4 system, promoting the early commercialization of the fuel-saving robot.

A trash bin is provided which includes a hollow body having an open end and a closed end, the open end providing access to a cavity. The trash bin may also include a first handle, a second handle, and a third handle. The trash bin may include a foothold disposed at the closed end. The foothold may include a foot recess projecting into the cavity of the hollow body, the foot recess having a bottom step substantially coextensive with a bottom of the closed end of the hollow body. The trash bin may include a first handhold, a second handhold, and a third handhold, each disposed at the closed end and respectively including a first handhold recess, a second handhold recess, and a third handhold recess projecting into the cavity of the hollow body. A method of using the trash bin is also provided.

The invention relates to a gas turbine system predictive control method, device, equipment and medium, and relates to the technical field of gas turbine control, and the method comprises the steps: building a transfer function model of a gas turbine system at a plurality of preset load points through a step response experiment, a prediction controller is designed based on the transfer function models corresponding to the different load points, so that a control increment output by the prediction controller is obtained, and the prediction controller comprises a plurality of sub-prediction controllers corresponding to the different load point models; correcting the control increment which does not accord with a preset constraint condition based on an improved He-Make algorithm; and based on the deviation between the control increment corresponding to each sub-prediction controller and the actual output value, performing weighting processing on the control increment sequence corresponding to each sub-controller by using an improved recursive Bayesian weighting algorithm to obtain a final control increment. According to the method, the operation stability and the response speed of the heavy duty gas turbine system can be remarkably improved, and the strong performance advantage is shown in the aspect of set value tracking.

The invention belongs to the field of ground heavy duty gas turbines, and discloses an overall design method of a combustion-spraying combination, which comprises the following steps: obtaining overall thermodynamic parameters based on performance requirements of the combustion-spraying combination; on the basis of the total thermodynamic parameters and the inlet and outlet radiuses, a meridian flow channel design is obtained through a flow channel optimization method; based on the meridian flow channel design, adopting a parametric modeling method to obtain a flow surface model; based on the flow surface model, a three-dimensional accumulation method is adopted to obtain an initial configuration of the turbine blade; and based on combustion design, cooling design and pneumatic design performance, checking and optimizing the initial configuration of the turbine blade to obtain an optimized blade configuration and a combustion and spraying combined body pneumatic design scheme.

The application provides a heavy-load large-stroke lifting and leveling device and method, which internally adopts multi-stage cylinder driving, externally balances lateral load by multi-stage overlapping sleeves, and reverses the oil cylinder to replace the last sleeve with the outer cylinder of the oil cylinder; a weighing sensor is arranged at the bottom to detect the load in real time; and finally, the heavy-load equipment is lifted and leveled in a large stroke under the condition of limited closed size limitation.

A method for setting a heavy duty vehicle in motion. The method includes obtaining a motion instruction for setting the vehicle in motion, determining a target wheel slip value corresponding to a wheel slip suitable for executing to the motion instruction, and controlling wheel speed to maintain wheel slip of the vehicle at the target wheel slip value.

A heavy-duty surface mount post system includes a post base with a mounting member and a post designed to slide over the tube. Shims are mounted between the mounting member and the post to create a tighter fit and to resist galvanic corrosion when the base and post are made of different materials, such as steel and aluminum. Optional decorative skirts provide additional stability and aesthetic appeal. The system is ideal for fencing installations on concrete or other solid surfaces, accommodating a range of tolerances while simplifying assembly.

The invention discloses a heavy apron conveyor, and relates to the technical field of conveying. A body is included; a scale plate is mounted at the top of the frame plate; the connecting mechanism comprises a first connecting frame, a second connecting frame, a third connecting frame and a fourth connecting frame; and the processing mechanism comprises a pushing assembly, the pushing assembly is installed outside the first connecting frame, the pushing assembly comprises a first push rod, a triangular plate is installed at the telescopic end of the first push rod, and the first push rod is used for controlling the triangular plate to move in the discharging direction. The processing mechanism further comprises a reset assembly used for controlling the apron to restore to the original position after feeding. The cooling assembly is used for promoting cooling of the frame plate after feeding; and the cleaning assembly is used for cleaning the fed frame plates, and the purpose of improving the use efficiency of equipment is achieved through the heavy apron conveyor.

A modular rack system designed to be configurable for hauling various sizes and shapes of gear. The geometry of the rails in combination with corner supports allow components to be added or removed easily. Structural connection to the vehicle bed with or without a tonneau cover provides for offroad or heavy duty use. The rack is designed to fit within the aerodynamic profile of the vehicle to minimize its footprint when not in use. The lightweight construction, bracketry and vehicle connections allow the rack system to be removed from the vehicle without disassembly. When combined with a structural load carrying tonneau cover, gear can be supported by the cover aiding the load carrying capacity of the rack system. Height adjustment of the rack system provides clearance with the vehicle when carrying longer items.

A control unit for a heavy duty vehicle. The vehicle includes an electric machine connected to first and second driven wheels via an differential. The control unit includes a first wheel slip control module associated with the first driven wheel, and a second wheel slip control module associated with the second driven wheel, where each wheel slip control module is arranged to determine an obtainable torque by the respective wheel based on a current wheel state, wherein the control unit is arranged to determine a required torque to satisfy a requested acceleration profile by the vehicle, and to request a torque from the electrical machine corresponding to the smallest torque out of the obtainable torques for each driven wheel and the required torque.

1. Name of the designed product: tripod (heavy duty). 2. Use of the designed product: for supporting various equipment. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

This invention relates to the field of industrial robots, specifically to a heavy-duty robot with an adjustable counterweight arm. A robotic arm structure and a counterweight structure are respectively arranged on both sides of a support column. A first motor is located above the support column, and the output end of the first motor is connected to a first lead screw. The first motor drives the first lead screw to rotate, controlling the robotic arm structure to move up and down along the lead screw. A connecting structure is provided between the robotic arm structure and the counterweight structure. The counterweight structure contains several counterweight blocks, and a counterweight adjustment component is located on one side of the counterweight structure. The counterweight adjustment component can automatically increase or decrease the number of counterweight blocks inside the counterweight structure to balance the weight of the robotic arm structure. The adjustment is automatic based on the weight difference between one side of the robotic arm structure and the other side of the counterweight structure, eliminating the need for manual adjustment of the number of counterweight blocks and improving work efficiency.

The application discloses an engine waste heat boosting type thermal management system for a hydrogen fuel heavy truck, comprising an engine cooling circuit, a primary heat pump circuit, a secondary heat pump circuit, a phase change heat storage unit and a working condition adaptive unit; in the cooling circuit, the coolant absorbs waste heat and is directly stored in the phase change heat storage unit or transferred to the primary heat pump circuit; the primary heat pump circuit absorbs heat of the engine cooling circuit to be warmed up and is directly stored in the phase change heat storage unit or transferred to the secondary heat pump circuit; the secondary heat pump circuit absorbs heat of the primary heat pump circuit to be warmed up and is stored in the phase change heat storage unit, and the phase change heat storage unit stores waste heat transferred by the three circuits. The working condition adaptive unit collects vehicle data to determine the working condition and switches the heavy load, medium load and light load modes. The application has a simple overall structure, realizes efficient recovery of low-grade waste heat of a hydrogen engine, significantly improves waste heat recovery efficiency and system comprehensive energy efficiency, and provides an efficient and reliable waste heat recovery and thermal management scheme for the hydrogen fuel heavy truck.

The utility model relates to the technical field of bearings, and discloses a liquid-lubricated heavy-duty bearing mechanism which comprises an outer ring, an inner ring is arranged in the outer ring, a limiting ring is arranged on the inner wall of the inner ring, a ball is arranged in the inner ring, a push rod is slidably connected in the inner ring, the bottom end of the push rod is fixedly connected with a connecting plate, and the bottom end of the connecting plate is fixedly connected with a piston rod. A tension spring is fixedly connected to the upper surface of the connecting plate, a transmission frame is fixedly connected to the lower surface of the connecting plate, a sliding rod is slidably connected to the outer wall of the transmission frame, a positioning rod is slidably connected to the outer wall of the sliding rod, a telescopic rod is fixedly connected to the outer wall of the sliding rod, and an oil conveying assembly is arranged in the inner ring. According to the utility model, through the cooperation of the push rod, the connecting plate, the tension spring, the transmission frame, the sliding rod, the telescopic rod and the positioning rod, the limiting ring is mounted and dismounted, the balls are limited or released, and local stress concentration of the balls is avoided, so that the overall bearing capacity of the bearing is improved.

1. The name of this design product: Mobile Phone Holder (Heavy Duty M43). 2. Application of this design product: for use in cycling, automobile and other scenarios. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. Name of the designed product: full height turnstile transmission movement (heavy duty 120 degrees). 2. Use of the designed product: transmission movement for controlling a turnstile. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The application discloses a hydraulic weighing system for heavy-load vehicles at high-speed intersections, and belongs to the technical field of heavy-load transportation, which comprises a plurality of pits evenly spaced along the longitudinal direction of a road, a road panel arranged at the opening of the pit, an oil cylinder corresponding to the road panel arranged in the pit, a middle partition plate of the oil cylinder separating the inner side of the oil cylinder into an upper oil cylinder groove and a lower storage groove, a piston fixed at the bottom of the road panel and slidingly arranged in the oil cylinder groove, and an oil bag arranged between the piston and the middle partition plate; a pressure measuring instrument is installed in the storage groove, and the output end of the pressure measuring instrument is connected to the oil bag; the pressure measuring instrument can convert the current actual axle load according to the pressure change amount, and the weighing data information of each road panel is returned to a central control computer, and the computer outputs the size of each axle load and the axle spacing. The application can be used for accurately calculating the total weight of vehicles and goods, and can also consider more detailed load factors such as the axle load and the wheelbase.

The application provides an extreme pressure anti-wear agent, a preparation method thereof and heavy load vehicle gear oil, and belongs to the technical field of extreme pressure anti-wear additives. The application provides an extreme pressure anti-wear agent with a chemical structure shown in formula I or formula II. Through molecular design, the prepared extreme pressure anti-wear agent has excellent high-temperature oxidation resistance, can reduce the friction coefficient of the surface of a friction pair, and in the friction process, nitrogen elements and boron elements in the borate ester diffuse from the friction surface to the matrix to form a permeation layer, improve the wear resistance of the surface of the material, play an extreme pressure anti-wear role, make the heavy load vehicle gear oil have better load-carrying capacity and extreme pressure resistance, and thus play an energy-saving and consumption-reducing role.

The invention discloses a long-stroke vortex reduction device for reducing resistance loss of an air system of a heavy-duty gas turbine. The long-stroke vortex reduction device comprises an upper-stage rotating disc, a middle-stage rotating disc and a lower-stage rotating disc, an air inlet gap is reserved between the upper-stage rotating disc and the middle-stage rotating disc, and an air outlet gap is formed in the bottom of the lower-stage rotating disc; a high-position disc cavity is defined by the side walls of the upper-stage rotating disc and the middle-stage rotating disc, and a low-position vortex reduction device disc cavity is defined by the side walls of the middle-stage rotating disc and the lower-stage rotating disc. A drum of the middle-stage rotating disc is provided with a reverse-rotation vortex-reducing hole with a space angle, and the axis of the reverse-rotation vortex-reducing hole forms an included angle with the rotating axis of the rotating disc on one hand and forms a preset included angle with the tangential direction of an inlet of the reverse-rotation vortex-reducing hole on the other hand; and the air inlet seam, the high-position disc cavity, the reverse vortex reducing hole, the low-position vortex reducing device disc cavity and the air outlet seam are communicated to form an air entraining passage. Through the coupling effect of the reverse vortex reduction holes and the low-position vortex reduction device disc cavity, development of the air rotational flow speed is effectively controlled, and therefore the purposes of reducing on-way resistance loss in a long stroke and improving the air entraining pressure of the disc cavity are achieved.

A hydrostatic test device for an inclined swirler of a heavy duty gas turbine comprises an annular base for containing the inclined swirler, two parallel sealing ring grooves are formed in the inner conical surface of the base, and rubber sealing rings matched with the sealing ring grooves are arranged in the sealing ring grooves. The two parallel sealing ring grooves and the rubber sealing ring enable the upper portion and the lower portion of a blade hole in the side face of the inclined cyclone to be tightly attached, the effect of sealing the blade hole can be achieved in the hydrostatic test, the device further comprises three to six pressing plates which are evenly distributed on the surface of a circle of the inclined cyclone, and the pressing plates press the inclined cyclone through bolts and locking nuts. A copper plate is arranged between the pressing plate and the end face of the inclined cyclone.

A method for controlling a vehicle brake system of a heavy duty vehicle, the brake system comprising a service brake system and an electrical machine brake system. The method includes determining a total brake torque request for braking a wheel of the vehicle, obtaining a brake torque capability of the electrical machine, determining if the total brake torque request exceeds the brake torque capability of the electrical machine, and if the total brake torque request exceeds the brake torque capability of the electrical machine but is below a threshold level, applying a baseline brake torque by the service brake system, wherein the baseline brake torque is configured to compensate for a difference between total brake torque request and brake torque capability of the electrical machine, and controlling wheel slip by the electrical machine brake system.

1. The name of this design product: Drive axle (heavy-duty). 2. Purpose of this design product: This design product belongs to the field of automotive accessories and is used to increase torque, reduce speed, and change the direction of torque transmission. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of this design product: Stage Board (Heavy Duty). 2. Purpose of this design product: used for assembling stage. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a flexible and reliable heavy-load medical trolley which comprises a trolley body, a handle, trundles, a steering mechanism, a brake mechanism and a stable lifting mechanism. The steering mechanism adopts a gear-chain transmission system, all the trundles of the trolley are synchronously controlled to steer synchronously through steering of a hand control handle, and the steering control precision and synchronism of the multiple trundles of the medical trolley are improved; the brake mechanism adopts a connecting rod transmission system, the brake assembly is controlled to move up and down and rub with the ground for braking by stepping on a pedal, the operation action is simple and labor-saving, the trundles are effectively protected from being damaged, and the medical trolley is enabled to start, stop and brake quickly and safely in a labor-saving manner; the stable lifting mechanism is used for controlling the medical trolley to stably load equipment and controlling the equipment to lift; the above structures cooperate to jointly improve the control precision of the heavy-load medical trolley, reduce the control difficulty of the heavy-load medical trolley, and improve the moving flexibility, precision and reliability of the heavy-load medical trolley.

The invention discloses a center pull rod rotor with a testing function and a heavy duty gas turbine. The center pull rod rotor comprises a front shaft head, a rear shaft head, a center pull rod and a multi-stage wheel disc, a center pull rod lead is arranged on the surface of the center pull rod, the wheel disc is provided with a wheel disc lead, blade bodies of blades of the wheel disc are provided with blade body leads, the wheel disc is provided with lead holes, and the lead holes of the multi-stage wheel disc jointly form a lead main channel. At least one of the front shaft head and the rear shaft head is provided with a lead collecting channel, the inlet end of the lead collecting channel is communicated with the lead main channel, the outlet end of the lead collecting channel is provided with a wire collecting box communicated with the lead collecting channel, and a center pull rod lead is led into the wire collecting box through the lead collecting channel. The wheel disc lead and the blade body lead are led into the wire collecting box through the lead main channel and the lead collecting channel in sequence. According to the center pull rod rotor, the survival rate of measuring points and the stability and efficiency of measurement are remarkably improved, and a reliable technical scheme is provided for dynamic performance monitoring of a heavy duty gas turbine.

This invention relates to a method for calculating the actual road emissions of heavy-duty vehicles under remote monitoring. Based on the three-zone moving average window method, a three-zone moving average window model is established using a fixed duration of 300 seconds. The corresponding load ratio is calculated based on the carbon dioxide emissions of each window. The window, moving second by second, is divided into idling, low-load, and medium-high load zones according to the load ratio. Emission values ​​for the three zones are calculated, and it is verified whether the emissions in each zone exceed the limits. The beneficial effects are: This invention solves the current limitation of existing calculation methods for verifying the actual driving emission levels of vehicles after receiving emission data from networked vehicles on a remote platform. It can fully utilize networked vehicle emission data, taking into account emission data under idling and low-load conditions. It has no strict requirements on vehicle load and data continuity, does not distinguish between vehicle types, simplifies the monitoring procedure, and has strong adaptability and wide application range.

1. Name of the product in this design: Hinge (Heavy Duty). 2. Application of this design: for use as a rotating connector for doors. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.