29results 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 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 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 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 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.

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 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 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 utility model belongs to the technical field of vehicle-mounted accessories, and specifically discloses a heavy folding ramp, which comprises an upper half and a lower half, the upper half and the lower half are both arc-shaped frame structures, one end of the lower half is fixedly connected with a rotating shaft, the rotating shaft is movably connected to the upper half, the upper half is provided with a limiting groove for the movement of the rotating shaft along the extension direction of the upper half, and the two ends of the limiting groove are respectively provided with a first limiting structure and a second limiting structure for the positioning rotation of the rotating shaft. The utility model has the advantages of simple structure and convenient operation. The inner-outer staggered folding design of the upper half and the lower half makes the volume of the folded ramp smaller, and the ramp has two supporting points with the ground after being unfolded. Moreover, the support in the middle is not provided by the external accessories, but by the side pipes of the ramp itself, so that the strength is better and the load is larger.

This utility model discloses a main beam structure for a tied arch bridge with under-bearing, comprising arch feet and a crossbeam. The arch feet are respectively located at both ends of the upper part of the crossbeam. A pier is fixed to the lower end of each arch foot, and a reinforcing frame is fixed between the pier, the arch foot, and the crossbeam. Arch ribs are provided at both the front and rear ends of the crossbeam, and the two ends of the arch ribs are fixedly connected to the arch feet. A horizontal wind brace is connected between the arch ribs. A hanger rod is connected to the front and rear ends of each horizontal wind brace, and a clearance groove is provided at the lower end of each hanger rod. A positioning rod is provided at both the upper and lower ends of the clearance groove, and the middle of the positioning rod is fixedly connected to the interior of the crossbeam. A web is provided at the lower part of the crossbeam, and two horizontal insert rods are fixedly fixed at equal intervals inside the web, with the front and rear ends of the two horizontal insert rods fixedly connected to the lower ends of the hanger rods. This utility model is easy to maintain and has excellent stability.

This utility model belongs to the field of scraping massage devices, specifically disclosing a scraping massage component, including a housing and a massage head disposed on one side of the housing. A motor module is housed within the housing, and a rotating shaft is provided on the massage head. The rotating shaft passes through the side of the housing and extends into the interior of the housing. The rotating shaft rotatably engages with the housing, forming a first rotating position and a second rotating position. A transmission module is provided on the power output end of the motor module for driving the rotating shaft to rotate back and forth between the first and second rotating positions. The transmission module is in transmission engagement with the rotating shaft. This solution avoids the scraping massager from tangling hair, preventing hair tearing and thus avoiding damage to the skin and hair follicles, while also avoiding increasing the motor load to extend the motor's service life.

This utility model belongs to the field of coupling manufacturing technology, specifically relating to a novel load-bearing flexible coupling, including an upper shaft hole, a lower shaft hole, and a flexible connecting sleeve. The upper shaft hole is used to install the shaft head of the driving component, and the lower shaft hole is used to install the shaft head of the driven component. The flexible connecting sleeve connects the upper shaft hole and the lower shaft hole, and the upper shaft hole, flexible connecting sleeve, and lower shaft hole are integrally formed. This novel load-bearing flexible coupling, through optimized structural design, especially the use of a flexible connecting sleeve of specific size and shape, achieves a bending area of ​​15 square millimeters, a bending strength of 785 MPa, and a maximum service strength of 47 nm, enabling it to stably transmit large loads and effectively broadening the application range of flexible couplings.

This application relates to a dishwasher. The dishwasher includes a blind module capable of covering the opening opened as the door pop-out handle moves to an extended position, thereby preventing the interior space of the door from being contaminated by foreign objects that may be introduced through the door opening, preventing malfunctions and damage to the actuators caused by the introduction of foreign objects, and preventing the aesthetic experience perceived by the user from being deteriorated by blocking the view of the interior space of the door.

This invention discloses a modular lift supply aircraft, a combined aircraft, and a method for operating the combined aircraft, relating to the field of aircraft technology. The modular lift supply aircraft is equipped with a lift-providing device, a male docking head, and a female docking head. The combined aircraft includes a main aircraft and a modular lift supply aircraft mounted on the main aircraft. This invention provides a modular lift supply aircraft, a combined aircraft, and a method for operating the combined aircraft, enabling fixed-wing aircraft to achieve vertical takeoff and landing capabilities while still maintaining large payload, long range, and good stealth performance.

The utility model discloses a kind of direction-adjusting pusher for coal mine underground fully mechanized working face hydraulic support, the device includes slope device, connecting crossbeam, rotary device, pusher, pusher is set in the left and right sides of rotary device, and the tail end of three is installed in the side of connecting crossbeam, and the other side of connecting crossbeam is installed with slope device;Hydraulic support is transported by support carrier through slope device and connecting crossbeam and is driven onto pusher and places hydraulic support on rotary device, after rotary device rotates 90 °, pusher inserts limit block, and pushes the hydraulic support after direction-adjusting and moves forward, retracts pusher oil cylinder, then uses unturnable cardboard to push the hydraulic support to position, retracts pusher tongue plate, lifts hydraulic support, completes hydraulic support installation.The utility model can solve the direction-adjusting and installation problem of support carrier hydraulic support transportation of coal mine underground fully mechanized working face, with direction-adjusting, pusher, self-withdrawal function, significantly improve installation efficiency and operation safety.

The present application relates to elevator traction suspension structure related technical field, disclose a kind of full ring around elevator traction suspension structure, the present application includes portal frame and car bottom board composition car frame structure, a car interval is formed in the car frame structure.The present application is designed as return rope beam by the setting of full ring around elevator traction suspension structure to the upper and lower beams of elevator car frame, using the full package mode of two lower beams return rope wheel with wider outer winding span and two upper beams return rope wheel with narrower continuous inner winding span, realize full ring around traction suspension, and form multi-point three-dimensional support structure, while installing deflection guide wheel in the space between return rope wheel, limit the sway of traction rope, ensure the stability of elevator operation, and by full ring around traction suspension mode, the stress of elevator car is more uniform, reduce the problem of stress concentration in single direction.Full use of the strength of upper and lower beams enables the elevator to carry greater load, meets the heavy load demand.

A heavy-duty push chain, belonging to the field of push chain technology, includes several chain links connected sequentially by pins. Each chain link includes a set of opposing composite chain plates. The composite chain plates include push chain plates and tension chain plates connected together by rivets. When the push chain plates of adjacent chain links mesh with each other, the push chain is in a straight pushing state, with the push chain plates transmitting the thrust. When the push chain is in a tension state, the tension chain plates transmit the tension. This invention can provide tension like an ordinary chain, and can also exhibit rigidity in a straight state, thereby transmitting thrust. By fixing the tension chain plates and push chain plates to form composite chain plates, and forming first and second chain links through different combinations of composite chain plates, the push chain is formed through further combination and connection of the first and second chain links. This effectively solves the problem of mixed forces on the chain plates of existing push chains, making it difficult to conduct targeted observation, research, and optimization.

This invention relates to a method for controlling a power semiconductor switch (14A, 14B) of an AC circuit, the AC circuit being able to be turned on and / or off by the power semiconductor switch. The method comprises the following steps: a) determining an instantaneous current value and an instantaneous voltage value of the AC circuit; b) determining whether the instantaneous current value exceeds a pre-given maximum value; if so, c1) generating a control signal to turn off the circuit; c2) generating a control signal to turn on the circuit within a time interval from the generation of the control signal to turn off the circuit, wherein the time interval is less than or equal to the duration of a voltage cycle; and c3) determining whether the instantaneous current value after the circuit is turned on exceeds a pre-given maximum value, the maximum value corresponding to or less than a previous maximum value. If so, steps c1), c2), and c3) are repeated. In step d), if the number of repetitions of steps c1), c2), and c3) exceeds a value n, a fault condition is identified and a control signal to disconnect the circuit is persistently output, and the method is terminated. Otherwise, in step e), if it is determined in step b) or step c3) that the instantaneous current value does not exceed the corresponding maximum value, then the control signal for turning on the circuit continues to be generated, and the method continues with step a).

The utility model provides a pavilion structure, its simple structure, its in the use process, its effectively prevent the droop of the transverse size of top baffle is too big, not only guarantees the movement of baffle, effectively prevents the safety accident, it includes pavilion support, be provided with drive arrangement on the pavilion support, drive arrangement connection hinged baffle, its characterized in that: the baffle between hinged is set with support plate on baffle top end, support plate passes through the support of pavilion support.

The utility model discloses a kind of auxiliary partition and fixing structure for transformer, it is related to transformer technical field.The utility model includes transformer body, the transformer body top is provided with phase interval board subassembly, the phase interval board subassembly includes insulating plate and insulating support frame, the phase interval board subassembly one side is provided with clamp piece, the clamp piece quantity is two, and side beam subassembly is provided between two the clamp piece.The utility model improves insulating partition effect by adopting diphenyl ether plate to replace traditional epoxy resin, reduces phase-to-phase insulation distance, saves space, is conducive to the miniaturization development of transformer, while enhancing impact resistance, prolongs the service life of transformer, the " mouth " frame of side beam subassembly and clamp piece bolt lock, constitute closed loop stress system, disperse horizontal vibration stress, restrain clamp piece end deformation, guarantee stress uniform, increase the load bearing of coil, improve transformer overall stability and reliability.

The utility model discloses a high -efficient transmission case -overturning machine screw rod device, including the support frame of L type structure and with reinforcing plate, the rotation connection threaded screw rod between two support plates of support frame one side, fixed connection guide rod, the sliding sleeve on threaded screw rod and guide rod sliding connection, sleeve connects overturning motor, and the motor output end connects the clamping assembly of containing bidirectional telescopic subassembly, first limit board, L type board and clamping mechanism. The device passes through the optimization structure design, realizes efficient transmission and stable operation, and its clamping assembly can be adjusted flexibly, is suitable for different specifications box body, has improved production efficiency, has reduced equipment maintenance cost, has good application prospect and market value.

This utility model discloses a combined structure pressurized airtight chamber and pressurized airtight chamber. The chamber includes a frame assembled from combined columns and combined beams, combined panels forming walls on each side of the frame, and opening frames at the opening positions in the walls. The combined columns and combined beams are all rigid pipes on the outside and filled with concrete on the inside, with adjacent rigid pipes welded and sealed together. The combined panels are rigid plates on both sides on the outside and filled with concrete on the inside, with adjacent rigid plates welded and sealed together with the rigid pipes. The opening frames are assembled from vertical and horizontal rigid members, with vertical and horizontal rigid members welded and sealed together with adjacent rigid plates. This chamber combines rigid structure and concrete structure, resulting in low construction cost, good thermal insulation and sound insulation performance, reduced self-weight, convenient deployment, guaranteed airtightness, and high load-bearing capacity.

This utility model relates to the field of flow slide technology and discloses a flow slide with a buffer structure. The flow slide with a buffer structure includes a mounting shell, a connecting shaft inside the mounting shell, a roller rotatably connected to the arc surface of the connecting shaft, a buffer mechanism inside the mounting shell, a promoting mechanism inside the mounting shell, a sealing block detachably connected to the upper surface of the mounting shell by bolts, and a mounting block fixedly installed on the inner wall of the mounting shell. In this flow slide with a buffer structure, a rubber sleeve is fixedly installed on the surface of the roller. When the roller is impacted, the rubber sleeve deforms to buffer a certain amount of impact force. Simultaneously, the slider moves along the straight rod, and the return spring deforms to buffer the impact. As the sleeve moves along the straight rod, a limiting ring on the sleeve, in conjunction with a rubber pad, limits the movement distance of the slider, ensuring the deformation of the return spring, thereby ensuring stable operation and relative stability of the roller.

This application relates to the field of tempered glass processing cooling technology and discloses a tempered glass processing cooling device. The device includes a cooling tank with four vertical rods fixedly connected to the inner wall of its bottom side. A common fluorinated liquid is slidably fitted onto the outer sides of the four vertical rods. The cooling tank is filled with fluorinated liquid, and support legs are fixedly connected to its bottom side. In this application, by setting up the fluorinated liquid, the processed glass is placed inside the fluorinated liquid, where it is immersed in the fluorinated liquid. The fluorinated liquid effectively exchanges heat with the glass, achieving cooling. Compared to natural cooling, this method significantly improves cooling efficiency, saves time, and facilitates widespread use. Furthermore, when using fluorinated liquid for cooling, it forms a compressive stress layer on the surface of ordinary glass, increasing its hardness and strength, enabling it to withstand greater impacts and loads.

The utility model relates to waterproof house technical field discloses a waterproof roof structure, including house wall body still including installation groove and waterproof subassembly, the top of house wall body is provided with roof surface, is provided with waterproof baffle to the opposite side water flow direction on the roof surface, is provided with water flow guide pipe to the water flow delivery on the roof surface, waterproof subassembly sets up on the roof surface, fixed installation groove opens in the inside of roof surface. Through the angle of water flow guide pipe with the connecting support plate fixed to the thread connection column in the inside of installation groove with fixed bolt, when meeting rainfall, rainwater can not rapidly, effectively discharge, prevents the partial ponding of roof. Ponding not only will increase the load of roof, increases its service life, makes rainwater can according to the change of wind direction discharge towards the most favorable direction, guarantees the smooth of drainage, prevents the long -term ponding of roof still possibly to roof structure cause damage, guarantees the influence waterproof performance of roof.