58results about How to "Small space requirement" patented technology

A double-motor double-gear gearbox of a pure electric loader comprises two motors, a coupling input assembly for dynamically coupling the two motors, a gear shifting assembly with a two-gear speed changing function, an output shaft and a brake installed on the output shaft. The transmission is characterized in that the coupling input assembly, the gear shifting assembly and the output shaft are sequentially meshed from top to bottom and distributed in a parallel shaft mode, and a three-level parallel shaft structure is formed. A three-stage parallel shaft structure is formed, the axial size of the gearbox is shortened, the structural compactness of the gearbox is improved, the space requirement for arrangement of the gearbox is lowered, flexible arrangement of the gearbox and a transfer case on the loader is facilitated, the power output requirement for speed reduction and torque increase is met, and the requirement for output torque of a motor is lowered; walking driving requirements under different working conditions are met, and the weight and cost of the gearbox are reduced.

The invention discloses a micromotor-driven distributed turbulent flow pumpless liquid cooling device for space thermal control. The micromotor-driven distributed turbulent flow pumpless liquid cooling device comprises a pipeline body and an impeller pump, the impeller pump comprises an impeller with the outer diameter being D and capable of actively rotating. When the impeller pump is used for overall heat dissipation of a single small-size electronic element, one impeller pump is arranged in the cooling flow channel at the position 0.5 D-1. 5D away from the upstream of the small-size electronic element; when the impeller pump is used for eliminating the hot spots of the large-size electronic element, one impeller pump is arranged in the cooling flow channel at the position 0.5 D-1. 5D away from the upstream of each hot spot to be eliminated. An external pump is removed, and the impeller pump is arranged in the cooling flow channel, so that on one hand, a cooling working medium is pumped, on the other hand, a turbulent flow effect is achieved on the cooling working medium, a boundary layer is broken, and the heat dissipation effect is improved. In addition, for a large-scale heat dissipation scene, a plurality of impeller pumps can be arranged in the cooling flow channel in an array mode, the impeller pumps can be placed at local hot spots in a targeted mode, targeted heat dissipation is achieved, and the heat dissipation efficiency and uniformity are further improved.

The utility model provides an intelligent inspection robot transmission system which comprises a steering engine assembly, a shock absorber assembly and a driving assembly, and a hub rotating support shaped like a Chinese character'wang 'is arranged between the driving assembly and the steering engine assembly and located on the front end side of the driving assembly. The shock absorber assembly is connected with the rear upper end of the hub rotating support shaped like the Chinese character'wang 'and the rear end side of the traveling assembly, a joint motor is adopted for a horizontal driving part of the steering engine assembly, and a servo motor is adopted for a front-back driving part of the traveling assembly. By adopting the mode that the joint motor controls the transmission system to steer and the spline is matched with and fixes the joint motor, steering integrated control is added, the transmission accuracy is improved, the risk that the joint motor is exposed and is prone to damage is reduced, the requirement for the space size of a chassis is reduced, the structure is more compact, and rapid mounting and dismounting are convenient; the steering engine assembly and the walking assembly are independently designed, so that the whole transmission system meets the national II-class anti-explosion requirement and the IP66 / 68 sealing grade requirement.

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.

A closure system for door openings defined in a wall (P) and comprising:-a quick-opening door (1) adjustedly installed within the door opening (H) and featuring a flexible roll-up sheet (11), an upper casing (12), and vertical uprights (3) equipped with guides (31) for the displacement of the flexible sheet (11); a fire door (2) installed at one side of the wall and comprising at least one fireproof layer (21, 23), for the opening and closure of the door opening (H), a perimeter frame constituted by the vertical uprights (3) and a rearward fireproof cover (4) of the upper casing (12) of the quick-opening door (1).

The present application relates to the technical field of accelerator beam measurement, and particularly discloses a water gravity type inner target beam measurement device, which comprises a beam measurement assembly, a gravity adjustable cooling assembly, a lever balance assembly and a limiting piece, the beam measurement assembly is connected to one end of the lever balance assembly through the gravity adjustable cooling assembly, and the limiting piece is arranged on the side surface of the lever balance assembly. The device adopts a seesaw type structure, fully utilizes the installation space in the cyclotron shell, utilizes the gravity of the cooling liquid as the power of the seesaw type structure, can omit the arrangement of a complex power driving piece, is small in size, simple in structure, low in cost, good in cooling effect, and stable in the beam size of the inner target measurement piece during measurement.

A method and a circuit arrangement for operating a stepper motor in a voltage-controlled or voltage-regulated operating mode are described, the circuit arrangement having a bridge circuit provided for a motor coil (A) and having a charge pump, the bridge circuit having semiconductor switches (HS1, HS2, LS1, LS2) for applying first and second PWM voltages (U(LA1), (LA2)) having mutually opposite polarities to the motor coil (A), the charge pump being used to switch at least the high-side semiconductor switches (HS1, HS2) of the bridge circuit. Since the charge pump has a blocking time or dead time, after switching a first semiconductor switch, the blocking time or dead time must be waited for before another semiconductor switch can be switched, so that the time interval between the rising edge of one of the two PWM voltages and the later rising edge of the other PWM voltage is increased at least to the extent that the blocking time or dead time of the charge pump expires.

The utility model discloses a multilayer combined filter structure of desulfurization dust remover, including tower body, at least one layer composite filler layer is arranged in the tower body, the composite filler layer is multilayer structure, and the regular shaped filler area, transition flow guide area, bulk packing area and support grating from top to bottom include successively, the regular shaped filler area and bulk packing area outside all are provided with fixed frame, the regular shaped filler area and bulk packing area are filled in the corresponding fixed frame respectively, through the high specific surface area of bulk packing, can effectively strengthen gas liquid contact in bulk packing area, improve mass transfer rate, and the low resistance characteristic of regular shaped filler can avoid partial pressure drop surge in regular shaped filler area, realizes the balance of desulfurization efficiency and energy consumption, reduces operating energy consumption while guaranteeing desulfurization effect.

The application discloses a gravity balancing device, a doctor console and a surgical robot, wherein the gravity balancing device comprises an adjusting cavity arranged through an installation base, a constant force spring unit is arranged in the adjusting cavity or at an opening position of the installation base relative to one end of the adjusting cavity, one end of a balancing steel wire rope is connected with the constant force spring unit, and the other end is connected with a rotating disc; in the embodiment of the application, the above-mentioned gravity balancing device, the doctor console and the surgical robot are adopted, the constant force spring unit is used to provide a balancing force, the balancing force provided by the constant force spring unit is constant, the influence of the length reduction of the balancing steel wire rope on the balancing force is avoided, the balancing effect is ensured, the force required by a human hand is reduced, the balancing steel wire rope is directly fixed and connected on the rotating disc, that is, the balancing steel wire rope directly drives the rotating disc to rotate through the constant force spring unit, so that the loss of the balancing force is reduced, and the balancing effect is improved.

This utility model relates to the technical field of material corrosion testing devices, and more specifically, to a parameter-adjustable immersion corrosion device. It rationally connects various components such as a power module, suspension assembly, signal input / output device, external temperature control, and solution mixing device. The device uses a moving test piece rather than a moving corrosion environment, significantly reducing the size of the corrosion device, lowering equipment complexity, and reducing operating and maintenance costs. Through programmed control of the device's signal input / output, the immersion time and cycle of the material are controlled, and the temperature of the corrosion solution is adjusted. Furthermore, the testing equipment can be used in conjunction with a pure water container, achieving integrated solution "proportioning-mixing-corrosion" through digital display control panel settings. The entire corrosion device offers a high degree of flexibility; the dimensions of each module can be rationally adjusted and combined according to actual needs to better meet the user's testing requirements.

The present application relates to a kind of laser neodymium glass clean flexible clamp, comprising: clamp mounting portion, base and clamping component;Clamping component includes fixed clamping part and movable clamping part, fixed clamping part is used to support the long side of one side of laser neodymium glass, movable clamping part is used to clamp the short side of the long side end of laser neodymium glass;Fixed clamping part includes fixed clamping jaw;Movable clamping part includes lateral clamping jaw, first driving device, guiding device, lateral clamping jaw is also provided with flexible clamping pad buffer;Two movable clamping parts are respectively arranged in the two sides of fixed clamping part, lateral clamping jaw is symmetrically distributed relative to fixed clamping jaw and lateral clamping jaw and fixed clamping jaw are triangularly distributed.The present application is clamped by fixed clamping part and movable clamping part from three sides to the edge of laser neodymium glass, avoid contacting the light passing surface of laser neodymium glass, guarantee the cleanliness of light passing surface, and can realize the clamping pick-up of laser neodymium glass in the state of standing, guarantee the stability and reliability after pick-up.

The utility model relates to the technical field of automobile lamps, and discloses a driving lamp and side steering lamp integration which comprises a lamp body, a radiator is embedded in one side of the interior of the lamp body, a PCBA circuit board is installed on one side of the outer wall of the radiator through a plurality of bolts, and a light guide strip is embedded in one side of the upper end face of the lamp body. A cover plate is arranged at the position, located on the outer side of the light guide strip, of the upper end of the lamp body through ultrasonic welding, and a lampshade is arranged at the upper end of the lamp body through vibration friction welding. According to the automobile rearview mirror, the automatic driving lamp and the steering lamp are integrated, so that the space requirement of the automobile rearview mirror can be reduced, the space can be saved, the development period can be shortened, and the development cost can be reduced; the heat dissipation function can be increased by arranging the radiator inside, burning of the circuit board is reduced, and the display ductility of lamplight can be enhanced when the integrated lamp is used by arranging the light guide strip.

This utility model provides a traction structure for a loading platform, belonging to the field of loading and transportation technology. It solves the problem that existing loading platforms are difficult to conveniently and smoothly transfer goods within limited space. The traction structure of this loading platform includes a rectangular frame support. The supporting frame has two extension plates on its outer side at one end, with two through holes extending through this end. The extension plates have hanging slots with their openings facing the through holes. The inner side of the supporting frame has two guide slots communicating with the through holes along its length. The traction structure includes a U-shaped bracket with guide blocks at both ends. The guide blocks can slide along the length of the guide slots and can also pass through the through holes into the hanging slots and rotate within them. This traction structure of the loading platform facilitates convenient and smooth transfer of goods within limited space, while also enabling convenient and reliable storage.

This application discloses a joint motor control method, electronic device, and storage medium. By placing a position sensor only in the reducer, the internal structure of the joint is simplified, reducing the space requirement for position sensor installation, thereby reducing assembly difficulty and hardware cost. In cases where reducing the number of position sensors leads to less position detection data and the position sensor detection results lag behind the motion state of the drive motor, joint motion parameters are acquired, including the position parameters collected by the position sensors. Based on the joint motion parameters, a motor rotor angle is generated using a preset virtual axis model. The drive motor rotation is controlled according to the motor rotor angle, which is directly related to the actual position of the load end, ensuring high-precision control of the joint motor.

This disclosure provides a water tank assembly, a cleaning device, and a cleaning system. The water tank assembly is installed on the cleaning device and includes a water tank and an overflow structure. The water tank includes a receiving cavity. The overflow structure includes an overflow pipe and a first overflow port and a second overflow port respectively disposed at both ends of the overflow pipe. The first overflow port and at least a portion of the overflow pipe are disposed within the receiving cavity, and the first overflow port is located at a predetermined overflow height within the receiving cavity. The second overflow port is positioned below the first overflow port and connects to the outside of the receiving cavity. By placing the overflow structure within the receiving cavity inside the water tank, the encroachment of traditional external overflow structure designs on the compact installation space of the cleaning device is avoided, reducing the overall volume and space occupation of the water tank assembly and improving the overall layout optimization of the cleaning device. Simultaneously, the overflow structure offers greater design freedom and fewer spatial constraints.

The application discloses a hydrogen-doped natural gas pressure regulating system and method in a limited space, and relates to the field of gas pressure control. The system comprises a main pipeline arranged between a gas source and an experimental area, at least one pressure coarse adjusting device and at least one pressure sensor device for detecting the gas pressure entering the experimental area through the main pipeline are arranged on the main pipeline in sequence along the gas flow direction of the main pipeline; at least one branch pipeline is connected to the main pipeline between the pressure coarse adjusting device and the pressure sensor device, and a pressure fine adjusting device is arranged on the branch pipeline; and a control system is arranged. When the pressure coarse adjusting device fails to adjust the gas pressure of the main pipeline to the target preset pressure range, the control system controls the pressure fine adjusting device to finely adjust the gas pressure in the main pipeline, so that the gas pressure in the main pipeline is maintained in the target preset pressure range. In this way, the space utilization and system safety are improved, and the automatic regulation and control of the hydrogen-doped natural gas pressure are realized.

In some embodiments, a robotic arm and a robotic system including the robotic arm are provided. In some embodiments, the robotic arm includes a base unit and a drive unit, wherein the base unit includes a base motor and a base, and the drive unit includes a quadrilateral linkage, a first drive motor, and a second drive motor. Other exemplary embodiments are described herein. In some embodiments, the robotic arm achieves both rotational and linear motion while minimizing its physical footprint for easier storage and transport.

The invention belongs to the technical field of machine manufacturing, particularly relates to surface machining, and discloses a cylinder outer surface follow-up grinding system and method.The method comprises the steps that a flat car is fed into a grinding room along a rail, a pilot wheel of a follow-up grinding head makes contact with the outer surface of a cylinder, a roller frame is started to drive the cylinder to rotate, and meanwhile a grinding device is started; the pilot wheel does spiral motion along the surface of the barrel, the grating ruler senses the jumping distance of the pilot wheel in the radial direction of the barrel and transmits the jumping distance to the controller in real time, the grinding head jumps along with the jumping distance, and shape follow-up grinding is completed. The track of the polishing head is controlled through the pilot wheel in the two modes of profiling and teaching, and the problems that in the conventional polishing process, a carbon fiber protection layer is extremely prone to being abraded through, internal pre-embedded cables are directly damaged, cable open circuit and short circuit are caused, meanwhile, the structural integrity of a carbon fiber matrix is damaged, and the bearing strength of a shell is reduced are solved. The method is suitable for the surface treatment work of the engine shell manufactured by the carbon fiber prepreg winding forming process in the aerospace industry.

The utility model discloses a front moving and overturning mechanism of car seat, including bottom frame, overturning mechanism, auxiliary overturning mechanism, unlocking structure, slide rail assembly and cushion frame, the horizontal both ends of bottom frame near the backrest one side are rotated with the pivot on overturning mechanism and auxiliary overturning mechanism and are connected, the other side of bottom frame is equipped with the unlocking structure that can overturn relative bottom frame, and bottom frame is slidably connected with cushion frame through slide rail assembly. The utility model discloses through the overturning mechanism and auxiliary overturning mechanism of bottom frame rear end both sides can realize bottom frame drive seat whole to overturn to the tail pit of luggage compartment, through the slide rail assembly that adds between bottom frame and cushion frame to realize seat whole relative bottom frame's front -back movement, and the whole structure is more compact, and the space is smaller, and the stability is higher in the process of sliding, and the noise is smaller.

This invention discloses a concealed integrated electronic and mechanical inner handle and a vehicle door. The inner handle includes: a button, a micro switch, a door panel, a mechanical inner handle, a locking mechanism, and a door lock. The door panel has a groove. The mechanical inner handle is disposed within the groove. The locking mechanism is used to lock the door panel and the mechanical inner handle. The door lock cable is connected to the mechanical inner handle. A pressing pressure threshold is set. When the pressing pressure is not less than a first threshold and less than a second threshold, the button moves and triggers the micro switch to electronically unlock the door lock. When the pressing pressure is not less than the second threshold, the locking mechanism unlocks, and the mechanical inner handle can move within the groove. When the mechanical inner handle moves within the groove, it pulls the door lock cable to unlock the door lock. This invention cleverly combines a button-type electronic inner handle with a mechanical inner handle, not only realizing the electrification of the inner handle but also ensuring that the mechanical inner handle provides support in extreme working conditions. It also has an excellent appearance and requires little space in the vehicle door, which is beneficial for its placement.

The utility model discloses an outdoor energy storage power supply device, and relates to the technical field of outdoor energy storage. The outdoor energy storage power supply device comprises a base, a connecting mechanism and a sunshade mechanism, the top of the base is fixedly connected with a placement table, the top of the placement table is in lap joint with a placement box, the connecting mechanism comprises an assembling assembly arranged on the base and a connecting assembly arranged on the assembling assembly, and a fan is arranged on the assembling assembly; the assembling assembly is located at the top of the containing table, and the awning mechanism comprises a supporting assembly arranged in the connecting assembly and a shielding assembly arranged on the supporting assembly. According to the device, the shielding assembly is driven by the supporting assembly to conduct shielding and storage, so that adjustment can be conducted according to cloudy and rainy weather or weather with sufficient sunlight, the solar panel and the power source body are protected, normal operation of the solar panel is not affected, and meanwhile the mechanism can be detached and is convenient to use. And a user can conveniently and rapidly assemble the device on site, and the user can conveniently transport the device.

The invention discloses a temperature control method of a high-precision temperature control laser water chiller and the water chiller. The problem that an existing high-precision laser cooling-water machine is complex in structure and control strategy is solved. The method comprises the steps of obtaining the evaporator water tank outlet water temperature in real time; a first temperature difference between the target temperature and the outlet water temperature is calculated, and when the first temperature difference is not larger than a temperature difference threshold value, the alternate opening and closing time of a first electromagnetic valve and a second electromagnetic valve is adjusted according to the first temperature difference; and the step S1 and the step S2 are repeated until the outlet water temperature reaches the target temperature. The low-temperature circulation loop and the high-temperature circulation loop are arranged, the temperature of the laser cooling-water machine is controlled by adjusting the alternate opening time of the low-temperature circulation loop and the high-temperature circulation loop in real time according to the dynamically-changed temperature difference, the temperature control precision of the laser cooling-water machine is improved, and meanwhile the temperature stability of the laser cooling-water machine is kept.

The application discloses a control method and device of a vehicle and a storage medium. The method comprises the following steps: obtaining a target driving condition of a vehicle on a current road section; determining a first torque value of a first wheel in the vehicle and a second torque value of a second wheel in the vehicle output by a coaxial electric drive system of the vehicle based on the target driving condition, wherein the coaxial electric drive system at least comprises a differential mechanism, a first clutch and a second clutch, the differential mechanism comprises a first friction plate and a second friction plate, the first friction plate is controlled by the first clutch, the second friction plate is controlled by the second clutch, and the first wheel is parallel to the second wheel and located on both sides of the wheels; and controlling the vehicle to drive based on the first torque value and the second torque value. The application solves the technical problem of large vehicle space requirement of a differential mechanism.

The application relates to a manta ray robot fish roll control method based on Q learning and pectoral fin amplitude bias, compared with a traditional control method, the application does not need to establish a control object model, collects experimental data, trains a Q table offline, then transplants the table into a prototype controller, obtains a control variable through table lookup, and controls the prototype to swim at a fixed depth. Compared with other reinforcement learning control methods, the application has low requirements on hardware resources, small space demand, low power consumption and convenient realization. The application has the beneficial effects that the application has low requirements on the hardware of a controller, and an ordinary single-chip microcomputer can be used for realization, thereby saving cost, space and energy. The application does not need to establish a mathematical model of a control object, can save a large amount of time cost, and is difficult to establish a bionic model. The application can realize roll control of the robot fish without expert experience for establishing a rule base, and the Q table can learn "expert experience" during training.

The utility model discloses an elevator counterweight frame with energy storage device belongs to elevator counterweight frame technical field, including counterweight frame body, is provided with counterweight structure on the counterweight frame body, and both sides of counterweight frame body are all fixedly connected with the limiting frame, through setting drive structure and heat dissipation structure, the heat dissipation fan wheel of energy storage battery body both sides carries out fast rotation, forms strong air convection at energy storage battery body both sides, accelerates air flow rate, and high -efficient heat dissipation guarantees the work of battery at suitable temperature, prolongs its life, improves charge -discharge efficiency and stability, and simultaneously each structure cooperation works, fully utilizes elevator operation kinetic energy to realize heat dissipation, need not additional energy input, realizes energy -conserving and emission -reducing, and compact and reasonable are designed, reduce the volume weight while guaranteeing function, reduce the space requirement to hoistway, promote elevator system overall performance and adaptability, have wide application prospect and market value.

The utility model discloses a hoisting device convenient to assemble and disassemble, which comprises a frame assembly and a jack, the frame assembly comprises a crossbeam and support assemblies oppositely arranged at both ends of the crossbeam; the support assemblies are arranged at an angle with the crossbeam, and each support assembly comprises an upper support and a lower support which are detachably or foldably connected; one end of the upper support away from the lower support is detachably connected with the crossbeam; one end of the lower support away from the upper support is provided with a caster assembly; the crossbeam is provided with the jack which is slidably connected to the crossbeam. The utility model is characterized in that the frame assembly is detachable, and the assembly of the upper support and the crossbeam and the assembly of the upper support and the lower support are sequentially completed at the corresponding position in the workshop by the assistance of a forklift when the frame assembly is erected; then the hoisting and transfer of an object are realized by the jack; the assembly difficulty of the hoisting device is reduced, and the hoisting device is convenient to assemble, disassemble and use, has low requirements on the space in the workshop, and is suitable for occasions where a crane or a forklift is difficult to operate.

The invention discloses a robot for detecting appearance and performance of nanocrystalline glass based on multi-sensor fusion, which comprises a lifting frame, a first conveying part and a second conveying part, and is characterized in that a sensor module for detecting glass is mounted at the bottom of the lifting frame, and two groups of moving frames are arranged at the lower end of the lifting frame; an accommodating space for accommodating the negative pressure control part is arranged between the two; when glass is conveyed to the containing space through the first conveying part, the lifting frame drives the negative pressure control part to move downwards, the glass is grabbed through the second grabbing plate, and the overturning motor acts to drive the negative pressure control part to turn over the glass. The lifting frame and the negative pressure control part are driven by the electric push rod to move up and down, so that the turning operation of glass can be realized, the overall structure of the equipment is compact, the occupied space is small, and the glass turning efficiency is greatly improved; and meanwhile, the structure can ensure that the placement position of the turned glass is completely overlapped with the initial position, the deviation phenomenon is avoided, the glass detection quality is effectively guaranteed, and the detection error is reduced.

The utility model discloses a latticed column positioning assembly and device, and relates to the technical field of underground engineering construction. The latticed column positioning assembly comprises a mounting seat used for being mounted at the top of a steel casing, a fixing rod extending downwards is arranged on one side of the mounting seat, a supporting block located below the mounting seat is arranged on the side, facing the mounting seat, of the fixing rod, a positioning seat is arranged at the lower end of the side, away from the mounting seat, of the fixing rod, and the supporting block is located below the positioning seat. A latticed column positioning groove is formed in the side, away from the fixing rod, of the positioning base. The latticed column positioning assembly is relatively simple in structure, small in size and capable of being directly installed on the top of the steel casing, the steel casing serves as a supporting foundation, a special platform does not need to be additionally arranged, the construction complexity and difficulty are reduced, the requirements for the bearing capacity and space of a construction site are low, and no matter in the area where the site space is limited, the construction cost is reduced. And the device can normally play a role in working places such as gully, river and the like with complex environment.

This application relates to a double-helix conveying mechanism, including a connecting part, a driving part, a housing, and two helical shafts. The connecting part and the driving part are located at opposite axial ends of the housing. Both the shaft and blades of the helical shafts are hollow structures, and the inner cavity of the shaft communicates with the inner cavity of the blades to form a heat exchange chamber. The connecting part includes a first tube and a second tube. The first tube is coaxially fixed to the shaft, and the second tube is sleeved inside the first tube. The second tube and the annular cavity formed by the first and second tubes communicate with the heat exchange chamber. The driving part includes a driving component and a driving shaft. The end of the driving shaft is located inside the shaft and fixed to the inner wall of the shaft by a fixing component, which is a hollow structure. The ends of the driving shaft and the shaft are sealed and fixed circumferentially along the driving shaft. This double-helix conveying mechanism can exchange heat with materials during conveying, achieving heating or cooling of the materials. It also simplifies the overall structure, facilitates spatial arrangement, and ensures the stability of material conveying.