74results about How to "Heavy load" patented technology

This utility model provides a car roof handle and vehicle based on a four-bar linkage, belonging to the field of automotive parts technology. It includes: a base with a proximal hinge and a distal hinge, located at different positions along the depth of the base; one end of a first rocker arm hinged to the proximal hinge of the base, and the other end of the first rocker arm hinged to a connecting arm; one end of a second rocker arm hinged to the distal hinge of the base, and the other end of the second rocker arm hinged to a connecting arm; the connecting arm is hinged to the handle body. The first rocker arm, the second rocker arm, the connecting arm, and the base constitute a four-bar linkage. The advantages of this utility model are: the four-bar linkage allows for extension and retraction between the handle body and the base, enabling the handle body to be retracted and close to the base when not in use, and extended when in use, saving interior space and adapting well to bumpy driving environments.

The utility model relates to a wheelchair technical field provides a low resistance track assembly, including track frame, the track frame includes two opposite setting frame board, the both ends of track frame are equipped with driving pulley and driven pulley respectively, and the both sides around the track of interconnection, driving pulley rotation sleeve connection is in driving axle, and driven pulley rotation sleeve connection is in driven axle, rotation is provided with a plurality of along track transmission direction arrangement's bearing wheel between two frame boards, the rolling of bearing wheel abuts on the inner surface of track located below it, and the diameter of bearing wheel is no more than 15mm. By this, the utility model discloses through setting up close arrangement's bearing wheel, and the load of track bearing is changed into rolling friction from sliding friction, and the drive resistance of track is greatly reduced. Bearing wheel diameter is small, and densely arranged, and the gap is small. When track is pressed on the object such as step, the deformation of track cannot enter the gap, avoids being stuck between two bearing wheels. The utility model provides a kind of climb wheel.

The utility model provides a photovoltaic support and a roof. The photovoltaic support comprises a water guide groove and a lock seam clamp, the lock seam clamp is installed at the top of the water guide groove, and the two sides of the lock seam clamp are used for installing a plurality of photovoltaic assemblies respectively. And the water chute and the photovoltaic module are connected into a whole through the lock seam clamp, so that the potential safety hazards of water accumulation, water seepage, corrosion and the like in the punching installation of the photovoltaic module in the skid-mounted equipment room are solved. The roof of the skid-mounted equipment room and the photovoltaic system are combined and integrated into a photovoltaic integrated roof structure, so that loopholes or roof damage risks existing at punching positions are avoided, normal operation of devices in the skid-mounted equipment room is guaranteed, and meanwhile, the labor load of photovoltaic module installation is reduced. The roof of the skid-mounted equipment room adopts a prefabrication process, and photovoltaic integrated design is carried out on the roof structure of the skid-mounted equipment room. The installation of a photovoltaic support of a metal structure is avoided, the load of the roof of the skid-mounted equipment room is reduced, and meanwhile, the risk that the photovoltaic support is overturned and damaged in strong wind weather is avoided.

This application relates to the field of ship control, providing a hovercraft control method and hovercraft, including: in a static power generation mode, disengaging the clutch of the hovering fan, energizing the generator, and having the gas turbine drive the generator to generate electricity through a reducer, driving the propulsion fan to rotate with a reverse pitch, generating a reverse airflow to cool the generator, reducer, and gas turbine; when a sudden load reduction is detected in the generator, increasing the propulsion fan pitch through a pitch controller, increasing the load torque generated by the propulsion fan to compensate for the sudden load reduction and preventing the gas turbine from overspeeding; the hovering fan stops rotating, causing the hovercraft to contract, and the hovercraft contacts the ground through a fixed shovel, the unidirectional resistance generated by the fixed shovel balances the pull generated by the increased propulsion fan pitch, maintaining the stability of the entire vessel. By integrating the generator into the hovercraft's propulsion system and utilizing the adjustable pitch characteristic of the propulsion fan to cope with sudden load reduction, the integration of emergency power and power mobility are improved.

The application discloses a shear connector, a steel-concrete composite beam containing the shear connector and a construction method of the steel-concrete composite beam. The shear connector comprises an inverted truncated cone type cylinder (7), a stiffener, a cover plate, a penetrating steel bar (8) and a high-strength bolt (21); the stiffener comprises an integrally formed stiffener bottom plate (13) and a stiffener side plate (14), the size of the stiffener bottom plate is consistent with the size of the lower opening of the cylinder, and the stiffener bottom plate is attached to the lower opening of the cylinder; the stiffener bottom plate is provided with a second connecting hole for connecting the high-strength bolt; the stiffener side plate is arranged around the stiffener bottom plate and is attached to the inner wall of the cylinder; the height of the stiffener side plate is lower than that of the first connecting hole; the cover plate covers the upper opening of the cylinder; the penetrating steel bar transversely passes through the cylinder through the first connecting hole and leaves a connecting section on each side of the cylinder; and the high-strength bolt connects the stiffener bottom plate through the second connecting hole. The application realizes the disassembly and replacement of each component of the shear connector and the prefabricated bridge deck; and the structure form and stress performance of the shear connector are optimized.

The utility model discloses a practical operation table for mechanical design practical training. Comprising a practical operation table, a horizontally arranged sliding groove is formed in the top of the practical operation table, a motor is arranged at the top of the practical operation table, a position moving assembly is arranged in the sliding groove, the position moving assembly is in sliding fit with the sliding groove, and a slip practical training assembly is arranged on the position moving assembly. The position moving assembly is provided with a load assembly for practical training of the slip practical training assembly. According to the utility model, under the condition of load, the slipping phenomenon during the mechanical training of the transmission principle can be obtained, so that students can conveniently perceive the slipping phenomenon during the mechanical design during the training.

The utility model provides a kind of split type spliced handlebar and luggage, it is related to the technical field of daily necessities, the split type spliced handlebar includes handlebar assembly and sleeve, the quantity of handlebar assembly is set to two, handlebar assembly is provided with plug-in rod, two plug-in rod are oppositely arranged and end detachably connected to form support rod, the sleeve is sleeved on the support rod;The luggage includes the split type spliced handlebar;Two handlebar assembly and sleeve of the utility model cooperate with each other, not only can carry larger load, the lifting effect is remarkable, and can be selected according to the actual demand of user The sleeve of corresponding appearance is installed, appearance is various and exquisite, simultaneously when handlebar is damaged, the replacement of single component can be realized, structure is flexible, and use cost is low.

The utility model relates to a novel calcaneus posterior articular surface fixing steel plate which comprises a plate face, a plurality of screw holes are formed in the plate face, a screw hole A, a screw hole B and a screw hole C are sequentially arranged, a screw hole F, a screw hole E and a screw hole D are sequentially arranged, the screw hole F, the screw hole E and the screw hole D are located below the screw hole A, the screw hole B and the screw hole C, and the screw hole A, the screw hole B and the screw hole C are located below the plate face. Screws penetrate through the screw holes A, the screw holes B and the screw holes C to be fixed to the sustentaculum tali, and combined raft supporting is conducted on the posterior articular surface and the sustentaculum tali. When screws of part of patients are cut out from the calcaneus sulcus, the spare screw hole F, the spare screw hole E and the spare screw hole D are used for replacing the screw hole A, the screw hole B and the screw hole C respectively, and it is guaranteed that the rear articular surface can be supported through three screws. According to the application, the comminuted calcaneus posterior articular surface can be powerfully supported, the stability of fracture fixation is powerfully guaranteed, the possibility of long-term posterior articular surface collapse is reduced, and the curative effect of comminuted calcaneus fracture is improved.

The utility model relates to a wheel set structure for a luggage. The wheel set structure comprises at least one universal wheel assembly used for supporting a luggage body to move. Each universal wheel assembly comprises a rolling wheel and a universal joint with one end connected with the rolling wheel. An integrally formed bearing part is arranged at the other end of the universal joint, and the bearing part is connected with the box body; the bearing piece comprises an edge covering structure connected with the corner edges of the bottom of the box body and a step type installation piece used for being fixedly connected with the box body. By arranging the step type mounting piece, connection between the box body and the rolling wheels can be increased, connection between the box body and the rolling wheels is more stable and firmer, movement of the box body is reduced, meanwhile, the high edge design is arranged, the contact area between the box body and the high edge design can be increased, swinging of the box body is reduced, damage to the box body is reduced, and therefore deformation of the box body can be prevented; and through the design of the raised edges, the support of the bottom of the box body can be increased, so that the bearing effect of the box body can be improved.

The application provides a power grid management system adaptive networking method and device based on a heterogeneous dual-mode network, which comprises the following steps: a proxy coordinator accesses a central coordinator through a wired link, the central coordinator acquires the position and data processing capacity information of the proxy coordinator; a wired link is established between each proxy coordinator, and a wireless networking request is sent to the central coordinator through the wired link; the proxy coordinator broadcasts according to the access permission, and establishes a wireless link with the central coordinator or the proxy coordinator matched with the access permission; a site accesses the proxy coordinator through a wired link, the proxy coordinator acquires the maximum data volume of the site and calculates the load volume after the site accesses, and determines the feedback access permission or forwards the wireless networking request to the adjacent proxy coordinator according to the load volume, until the wireless connection between the site and the proxy coordinator is established. The application has the advantages of convenient networking process, high networking efficiency and coordination accuracy, strong stability and the like.

The utility model discloses a laser dotting device for a light guide plate, which comprises a base, a positioning table and a laser support are connected onto the base in a sliding manner, a plurality of adsorption holes are arranged on the positioning table, a dotting laser is arranged on the laser support, a liftable pressing plate is arranged above the positioning table, and the adsorption holes are communicated with the dotting laser. The positioning table is internally provided with the cavity, the cavity is connected with the negative pressure fan through the pipeline, the light guide plate can be effectively, rapidly and flatly adsorbed on the positioning table, the load of the negative pressure fan is prevented from being increased, and the positioning and adsorption effect of the light guide plate is improved.

The application relates to a temporary passage structure crossing post-cast belts and belongs to the field of building construction auxiliary devices, which comprises a three-section steel plate, a plurality of I-beams, a supporting piece and a bottom steel plate, the bottom steel plate is horizontally arranged on two concrete bottom plates, the supporting piece is arranged in the gap between the concrete bottom plates, the supporting piece is used for supporting the bottom steel plate, the plurality of I-beams are fixed on the bottom steel plate, the two ends of the I-beam are respectively located on the two concrete bottom plates, and the three-section steel plate is arranged on the top surface of the I-beam. The application has the effect of improving the structural strength of the temporary passage.

The application relates to the technical field of flood discharge gates and discloses a water conservancy project flood regulating and discharging gate and a use method thereof, which comprises a bottom plate, two side piers fixedly installed on the bottom plate, a flood discharge slope fixedly connected with one end of the bottom plate, a main gate slidingly installed between the two side piers, a lifting frame fixedly installed at the upper ends of the two side piers, a winch fixedly installed on the lifting frame, and a steel wire rope fixedly connected between the output end of the winch and the upper end of the main gate. The water flow drives the paddle to move, the rotating shaft drives the rotating disc to rotate, the sliding rod slides along the centrifugal groove to the edge of the rotating disc under the action of the centrifugal force, the arc-shaped plate is continuously limited by the sliding rod to drive the sliding block to move upwards, the pressure sensing plate senses the pressure and controls the cylinder to extend to the corresponding gear position, the wedge-shaped block drives the water guide plate to rotate, the end portion of the water guide plate rotates upwards to reduce the angle of the flood interception, and the water flow in the flood flow channel is prevented from being too much to increase the load of the water turbine.

The utility model provides a dust falling device powered by a hydraulic pump. The dust falling device comprises a mounting cylinder, the hydraulic pump, fan blades, a first dust falling mechanism and a second dust falling mechanism, the mounting cylinder is arranged in a penetrating mode, a hydraulic pump is arranged in the mounting cylinder, a plurality of fan blades are arranged at the output end, facing the penetrating side, of the hydraulic pump, a first dust falling mechanism and a second dust falling mechanism are arranged on the two sides of the mounting cylinder correspondingly, and the first dust falling mechanism and the second dust falling mechanism can spray water mist. Through the arrangement of the structure, the hydraulic pump drives the fan blades to generate wind power, and the wind power is combined with water mist sprayed by the first dust falling mechanism and the second dust falling mechanism, so that high-quality and high-efficiency dust falling can be realized; the hydraulic pump, the fan blades, the first dust falling mechanism and the second dust falling mechanism are integrated on the mounting cylinder and can be flexibly mounted in various places for dust falling; the hydraulic pump drives the fan blades to generate wind power, has the advantages of being large in torque and good in stability, and can bear large loads and working resistance.

The utility model discloses a wheel type one-armed robot capable of lifting up and down, which comprises a movable chassis and a lifting part arranged on the movable chassis, a robot body is arranged at the lifting end of the lifting part, a six-degree-of-freedom mechanical arm is arranged on the robot body, and the six-degree-of-freedom mechanical arm is arranged on the movable chassis. A balance weight plate is arranged on the side, opposite to the six-degree-of-freedom mechanical arm, of the robot body. According to the wheeled single-arm robot capable of being lifted up and down, the structure is simple, the working range of the six-degree-of-freedom mechanical arm in the vertical direction is conveniently enlarged through the lifting piece, the load of the robot is conveniently increased through the arrangement of the balance weight plate, and the stability of the robot in the working process is guaranteed; and furthermore, the dustproof effect of the robot is improved through the structure of the lifting piece.

The present application belongs to the technical field of mechanical automation engineering, and specifically relates to a lifting type operation mobile platform. Driving mechanisms are respectively installed on four corners of a base. Each driving mechanism is identical in structure and comprises a driving motor, a driving gear, a driven gear and a universal wheel. A lifting driving mechanism and a lifting arm mechanism are installed in the middle of the base and are connected through a synchronous belt to realize power transmission. The lifting arm mechanism comprises a lead screw and multiple stages of lifting arms. A power source drives the lead screw to rotate, and each stage of lifting arms is sequentially driven through a lead screw nut structure, thereby driving the lifting of a connecting platform. The lifting type operation mobile platform can realize omnidirectional movement on a flat ground, and can realize a large-size height operation range under the condition of height limitation of the mobile platform, further expanding the operation space of the robot. The present application has a simple structure, is easy to control and has a good operation range.

This invention provides a concealed hinge suitable for narrow windows, comprising a window connector connected to the window sash and a frame connector connected to the frame. A first connecting plate connects the window connector and the frame connector, with one side of the first connecting plate rotatably engaged with the frame connector and the other side movably connected to the window connector. A second connecting plate connects the window connector and the frame connector, with one side of the second connecting plate rotatably engaged with the window connector and the other side movably connected to the frame connector, and the first connecting plate and the second connecting plate are rotatably engaged. This invention increases the load-bearing capacity of the hinge for narrow windows and is suitable for narrow window structures with compact hinge installation positions.

The utility model discloses a high strength screw, including screw head and with the screw head integrated moulding screw rod, the movable installation of screw rod has nut, is equipped with the installation groove on the nut, is equipped with the plug -in stick in the installation groove, the top of plug -in stick is equipped with antiskid pad, and the surface of antiskid pad is equipped with the anti -slip grain, be equipped with the limit structure on the lateral wall of nut, the transition of screw head and screw rod is provided with arc transition section. Screw head and screw rod adopt integrated moulding technology in the utility model, and the arc transition section of transition can effectively disperse stress, can bear greater load, through the limit structure, can be effectively limit fixed after the nut is tightened, prevents the nut from loosening because of vibration and other factors, guarantees the long -term reliability of connection.

A base body of the fabricated stair step precast block is made of straw concrete materials, the fabricated stair step precast block is a cuboid with the wide upper portion and the narrow lower portion, and the cross section of the fabricated stair step precast block is a right trapezoid; the top of the stair step block is a plastic surface layer, an anti-skid groove is formed in the outer side of the top, and a skirting groove is formed in the inner side of the top. The plastic surface layer is adhered to the top surface of the stair step block through an acrylate water-soluble adhesive; the outer side of the plastic surface layer is embedded into the anti-skid groove, and the inner side of the plastic surface layer is pressed into the skirting groove through the skirting line plate; the skirting groove is bonded with the side surface of the existing stair step through the skirting line board; mounting holes are formed in the bottoms of the stair step blocks, the interiors of the mounting holes are bonded with fixing bolts through a binder, and the stair step blocks are fixedly connected with existing stair steps through the fixing bolts; and the flexible bonding of the existing stair step and the stair step block is realized through the elastic adhesive tape.

This application relates to the field of unmanned aerial vehicle (UAV) technology, and more particularly to a high-strength carbon fiber shell molding process for UAV fuselages. The high-strength carbon fiber shell molding process for UAV fuselages includes the following steps: material preparation → cutting → coating with epoxy foam material → bonding → mold closing → hot pressing → demolding → finishing → finished product. The material preparation involves preparing carbon fiber cloth with the same carbon fiber direction. The bonding process involves bonding n layers of carbon fiber cloth coated with epoxy foam material on one side to m layers of carbon fiber cloth, respectively. The fiber direction angles of any two adjacent bonded layers of carbon fiber cloth are different, where n is 3-6 and m is 8-15 degrees. The high-strength carbon fiber shell molding process proposed in this application, through simple process steps and optimized material combinations, can produce high-strength carbon fiber shells with excellent appearance quality, meeting the strength and appearance quality requirements of UAV fuselages, and has low cost and high production efficiency.

A drive assembly of an actuator and a humanoid robot; the drive assembly comprises an actuator base, an inner shaft, a fixing sleeve, a cam, a driving planetary gear, a driven planetary gear, a side shaft, a connecting seat and a connecting rod; the actuator base is provided with a rotating seat; the inner shaft is rotatably connected to the rotating seat around the Y axis; the fixing sleeve is rotatably installed on the inner shaft; the driving planetary gear and the cam are fixed and rotatably installed on the inner shaft, and the driving planetary gears are respectively located on the left and right positions of the fixing sleeve; the cam is used for driving the driving planetary gears to rotate around the Y axis; the driven planetary gear is connected with the connecting seat, and the driven planetary gear is engaged with the driving planetary gears on both sides; one end of the side shaft is limited to the fixing sleeve, and the driven planetary gear is rotatably sleeved on the side shaft; one end of the connecting rod is rotatably connected to the connecting seat; the other end of the connecting rod is an output end of the actuator; the scheme solves the problems of complex space structure and decreased activity flexibility of the humanoid robot in the actuator.

The utility model relates to the technical field of robot wheel sets, in particular to an aluminum alloy driving wheel set structure which comprises a connecting base, a driving part arranged on the side wall of the connecting base, a rotating rod fixed to the end, away from the connecting base, of the driving part and a pulley fixed to the side wall of the rotating rod. The driving part is used for driving the rotating rod to rotate, and an adsorption part is fixed to the side wall of the driving part and is close to the wall. The wall-climbing robot has the advantages that the pulley block of the wall-climbing robot is combined with the adsorption magnet, so that the size of the wall-climbing robot is reduced, and the wall-climbing robot can bear a larger load.

The utility model relates to an elastic body of a high-bearing strain type force transducer, and relates to the field of strain type force transducers. The device comprises a main body seat, the main body seat comprises a seat body and a top seat, the top seat is coaxially installed on the upper end face of the seat body, a center seat is vertically installed above the top seat, the center seat is arranged over the center of the top seat, and a plurality of deformation beam sets are arranged on the outer side face of the center seat; the deformation beam sets are evenly arranged in the circumferential direction of the center base, and the upper ends of the deformation beam sets are fixedly connected with the center base. According to the elastic body, through the reasonable structural design, such as the integrally-formed structure of the base body, the deformation beam set composed of the multiple layers of beam rods and the arrangement of the reinforcing pieces and the reinforcing chamfers, the overall strength and rigidity of the elastic body are enhanced, and the elastic body can bear large loads. And the elastic body is uniformly stressed by the deformation beam groups which are uniformly arranged in the circumferential direction, so that local stress concentration is avoided, and the bearing capacity is further improved.

The utility model discloses a conveying device is used in aluminium alloy sheet production and processing, including mounting panel, support plate and installation frame, the mounting panel is in support plate and installation frame intermediate position, the inside installation of installation frame is horizontally established and is installed with the motor of transmission belt adaptation of transmission belt, be installed with the adjusting assembly between mounting panel and installation frame, the adjusting assembly includes two support seat of mounting panel top outer wall one side fixed connection, installation frame rotation is connected between two support seat, mounting panel top outer wall other side fixed connection has the support frame of vertical setting, support frame top inner wall fixed connection has two vertical setting's guide rod no.

The application discloses a DSP-controlled low-power instant-on constant-voltage power amplifier system, which is suitable for public broadcasting and comprises a data communication module, a DSP processing module, a standby module and a power amplification module. The data communication module comprises a receiving circuit, an audio isolation transformer, a signal detection circuit and a signal transmission circuit, the receiving circuit receives external sound source signals and outputs the signals to the DSP processing module. The input of the DSP processing module is the output of the data communication module and the judgment output of the standby module, and the DSP processing module outputs after signal processing and is connected with the power amplification module. The output of the signal detection circuit and the output end of the power amplification module are connected with the standby module, and the standby module controls the start and stop of the power amplification module and judges the load. The power amplification module receives the signals processed by the DSP processing module, amplifies the signals to a power supply rail according to the control of the standby module and directly connects with a load output. The application utilizes the cooperation of DSP and a micro control unit to process signals and control the system, and is more flexible and responds quickly.

The utility model discloses a kind of internal gear gear grinding machine workpiece main shaft device, comprising: worm gear mechanism, and worm mechanism, wherein, the worm gear mechanism includes: workpiece main shaft, workpiece main shaft box is installed on the workpiece main shaft, index worm wheel is installed on the workpiece main shaft;The worm mechanism includes: double floating worm, the double floating worm is engaged with the index worm wheel, the end of the double floating worm is connected with power mechanism, and the power mechanism is installed on the workpiece main shaft box. By designing a set of meshing side gap adjustable high-precision double floating worm gear mechanism inside headstock, the precision of main shaft can be adjusted during working process, so that transmission efficiency is high, can bear larger load and torque, realize smooth transmission, and adjustment is simple, convenient for later maintenance.

This invention provides a bus filtering method for calibration, implemented on a bus filtering device used in calibration. One end of the bus filtering device is connected to the vehicle's CAN bus, and the other end is connected to a calibration device and a CAN controller. The method includes the following steps: detecting whether a calibration message generated by the calibration device during calibration of the CAN controller is received; if a calibration message is detected, forwarding the calibration message only to the CAN controller and blocking the forwarding of the calibration message to the vehicle's CAN bus. Implementing this invention can improve the situation of calibration message loss or untimely response during vehicle calibration, thereby improving calibration efficiency.

The application discloses a bottom mould floor support plate construction technology suitable for steel-concrete composite beam cast-in-situ bridge deck plate construction and belongs to the field of cast-in-situ concrete component form construction, which can solve the problems of difficult installation of the bottom mould of the steel-concrete composite beam cast-in-situ bridge deck plate, large waste of building materials, cost increase and slow construction period. According to the size of the floor support plate, the application performs line laying at a reinforcing position of the top plate of the steel beam, performs installation and connection, straightens, flattens, connects and fixes the arranged floor support plate. The connection between the floor support plates is reinforced by adding fillet welding. The two sides of the steel-concrete composite beam are each provided with a 70cm cantilever arm, and the concrete thickness is 20cm. The cantilever arm part of the side beam is constructed by using a hanging form method, a steel cantilever beam is arranged on the top of the steel beam to hang up the steel bar truss floor support plate bottom mould. After the floor support plate is paved, the steel bars are bound, and the bridge deck plate is poured. The steel bar truss floor support plate satisfies various loads such as structure and construction, can avoid construction procedures such as formwork erection, formwork removal, support system erection and removal and the like, and improves construction operation efficiency.

The utility model relates to the technical field of lifting appliances, and discloses a fan tower drum lifting appliance which comprises a seat body, a supporting piece, a fastening piece and a lifting piece, two first mounting grooves are formed in the top of the seat body, two second mounting grooves are formed in the bottom of the seat body, the first mounting grooves are communicated with the second mounting grooves, and the width of the first mounting grooves is larger than that of the second mounting grooves. The at least two supporting pieces are installed in the first installation grooves respectively, the supporting pieces can slide in the first installation grooves, first installation holes are formed in the supporting pieces, the fastening pieces are installed in the first installation holes, one ends of the fastening pieces penetrate through the second installation grooves, and the hoisting piece is arranged at the top of the base body. According to the utility model, the supporting piece is movably mounted in the first mounting groove in the seat body, so that the supporting piece can provide more anti-shearing load for the fastening piece and can participate in load distribution in the erecting process of hoisting the tower drum of the fan, the hoisting stability of the tower drum is improved, the damage condition of local stress concentration of the tower drum during hoisting is avoided, and the hoisting safety of the fan tower drum is improved. Therefore, the safety during hoisting is ensured.