305 results about "Heavy duty" patented technology

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 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 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. 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 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.

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.

The utility model relates to a folding crossbeam structure of telescopic heavy goods shelf, including crossbeam main part, the number of main part is set to two, two main part are connected through the pivot rotation, are locked through the connecting portion, the connecting portion includes, the connecting sleeve is set up with the corresponding main part fixed connection with its corresponding main part, the connecting pipe is set up in the connecting sleeve, and the connecting pipe is screw assembled with the connecting sleeve, the utility model discloses based on the fixing of connecting sleeve, connecting pipe and the spacing of spacing groove and spacing rod, promote the stress intensity of crossbeam main part, and the convenient use process, set up the telescopic block, telescopic column and the mounting lug, realize the telescopic adjustment of main part, to be suitable for different heavy goods shelf assembly environment, and set up the pivot and mounting lug, can realize the folding of main part, and the convenient storage, transportation and assembly.

The invention discloses a self-adaptive heavy-load wheeled vehicle for building moving, and mainly relates to the field of building moving. Comprising a vehicle body arranged below a building underpinning beam, the vehicle body comprises a multi-cylinder jack and a lifting barrel base, a plurality of cylinder bodies are arranged in the multi-cylinder jack, piston rods are slidably connected into the cylinder bodies in the vertical direction, an oil inlet nozzle and an oil return nozzle are arranged on the multi-cylinder jack, and a plurality of lifting holes are formed in the positions, corresponding to the piston rods, of the lifting barrel base. Lifting columns are slidably connected into the lifting holes, wheel set supports are arranged at the bottoms of the lifting columns, and rolling wheels are rotatably connected to the wheel set supports. The device has the beneficial effects that the technical problem that a building is easily damaged due to uneven stress of a walking mechanism when the building encounters an uneven or settlement condition in the moving process can be solved, and the downward extending distance of the wheel set bracket and the rollers can be automatically adjusted according to the condition of a walking surface; the stability of vertical supporting force of all positions of the bottom of the building is guaranteed, the building is prevented from being damaged, and the integrity of the building after movement is guaranteed.

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

The utility model provides an auxiliary support and counter-force arm device for a heavy-load handheld tool, which comprises a support base, a side support component, a tool cable support component, a first tool component, a second tool component, a tool return mechanism and a workpiece transfer sliding table, the support base is placed on the ground, and the workpiece transfer sliding table is centrally arranged on the support base; the side face supporting assembly is integrally arranged on one side of the supporting base. The tool cable supporting assembly is connected with a vertical supporting component of the side face supporting assembly. Each of the first tool assembly and the second tool assembly comprises a horizontal transverse guide mechanism, a vertical guide mechanism, a longitudinal cantilever assembly, a horizontal longitudinal guide mechanism and a suspension supporting mechanism, the first tool assembly further comprises a tool coaxial anti-rotation mechanism and a first tool mounting assembly, and the second tool assembly further comprises a second tool mounting assembly. The device is simple and compact in structure, convenient to operate, safe, reliable and easy to manufacture and produce.

The utility model relates to the technical field of electric cylinders, in particular to a lifting type heavy-load electric cylinder which comprises a cylinder barrel and a gear box, the gear box is arranged at the bottom of the cylinder barrel, and a transmission mechanism is arranged in the gear box; the driving rod is coaxially and rotationally connected with the cylinder barrel, and the driving rod penetrates through the bottom of the cylinder barrel and extends into the gearbox; the nut is arranged in the cylinder barrel in a sliding mode in the axial direction of the cylinder barrel, and a piston rod is connected to the nut; the transmission mechanism comprises a fourth gear coaxially connected with the driving rod, and a first tapered roller bearing and a second tapered roller bearing are arranged in the gear box and on the two sides of the fourth gear respectively and used for supporting the driving rod. The supporting structure of the driving rod is directly placed in the gear box, and the first tapered roller bearing and the second tapered roller bearing are arranged on the two sides of the fourth gear correspondingly, so that the purpose of supporting the driving rod is achieved, the length of the axial mounting structure can be reduced, and the stroke length of the piston rod is increased.

The application provides a heavy load hydraulic drive wheel. The heavy load hydraulic drive wheel comprises a hydraulic connector and a hydraulic drive assembly; the hydraulic drive assembly comprises a drive wheel vertical forged steel support, a hydraulic motor, a transmission gear set, a drive wheel shaft and a hydraulic drive wheel; the hydraulic connector is arranged on the drive wheel vertical forged steel support; an output end of the hydraulic connector is connected with the hydraulic motor; an output rotating shaft of the hydraulic motor is sleeved with the transmission gear set; the transmission gear set is connected with the drive wheel shaft; the hydraulic drive wheel is sleeved on the drive wheel shaft; and a gear transmission ratio of the transmission gear set is 11.5-25.7. The drive wheel vertical forged steel support provides support for the hydraulic drive wheel, so that the loadable weight of the heavy load hydraulic drive wheel is increased; the hydraulic motor drives the hydraulic drive wheel to rotate by driving the transmission gear set, so that the transmission kinetic energy of the hydraulic drive wheel is increased, thereby increasing the rotating torque of the hydraulic drive wheel, and effectively improving the carrying capacity of the heavy load hydraulic drive wheel.

The utility model discloses a heavy-load turning blade which comprises a blade body provided with an installation section, a cutting edge is arranged on the edge of the top of the blade body, a cutting guide concave portion located between the installation section and the cutting edge is arranged on the top of the blade body, and a chip breaking structure is arranged in the cutting guide concave portion. The chip breaking structure comprises four chip breaking parts, a wavy chip guiding inclined surface and a plurality of cambered surface bulges, and the wavy chip guiding inclined surface is arranged at the top of the blade body. According to the heavy-load turning blade, by improving the cutting edge structure and the chip guiding concave part, when the blade conducts heavy-load cutting, the cutting edge strength is guaranteed through the cutting edge structure, the cutting guiding concave part can guide the flowing direction of chips and assist in machining chip breaking, the machining requirement of heavy-load cutting is met, and the flowing-out direction of the cambered surface protruding structure effectively prevents cooling liquid from flowing out; and the cooling liquid is easier to stay at the cutting part, so that a better cooling effect is generated.

A tire (1) for a trailer of a heavy-duty vehicle having a tread (2), which has at least one complex circumferential cut (7) in a median portion (4) having a first family of transverse cuts, referred to as transverse through-sipes (81), having a thickness (E1) at most equal to 0.8 mm, a depth (P1) at least equal to 20% of the maximum depth-of-cut (H), and being at a distance (D1), from the nearest external cavity (71), at least equal to 7 mm, and / or a second family of transverse cuts, referred to as blind transverse cuts (82), that stop near an external cavity (71), that have a thickness (E2) at least equal to 1 mm, a depth (P2) at most equal to 20% of the maximum depth-of-cut (H), and being at a distance (D2), from said external cavity (71), at least equal to 3 mm.