21results about How to "Load large" patented technology

The invention relates to a modularized pressing and releasing device and method applied to stacked satellites. The modularized pressing and releasing device comprises a force bearing base, an off-axis unfolding and locking device, a tension spring driving device, a pressing cover assembly and a hot work pressing and unlocking assembly. The initiating explosive pressing and unlocking assemblies are installed on the left side and the right side of the upper face of the force bearing base correspondingly, the off-axis unfolding and locking devices are installed on the portions, located right in front of the two initiating explosive pressing and unlocking assemblies, of the force bearing base correspondingly, and the off-axis unfolding and locking devices are connected with the initiating explosive pressing and unlocking assemblies; the upper end of the fire work pressing unlocking assembly is connected with the pressing cover assembly, the two edge openings of the front end of the force bearing base are both connected with the tension spring driving devices, and the other ends of the tension spring driving devices are connected with the pressing cover assembly. The modularized pressing and releasing device applied to the stacked satellites has the advantages that batch production is facilitated, modularized design is achieved, and good interchangeability is achieved.

The invention discloses a one-way bearing, comprising: an outer ring; the inner ring is arranged in the outer ring, and an annular space is defined by the inner ring and the outer ring together; the retainer is arranged in the annular space, a plurality of first containing grooves are formed in the retainer and arranged at intervals in the circumferential direction of the inner ring, wedges capable of swinging are arranged in the first containing grooves and make contact with the inner ring, pressure angles are formed between the wedges and the inner ring, and the number of the pressure angles of the wedges is at least two. According to the one-way bearing, the pressure angle of the wedge block can be changed, the one-way bearing has the advantages of being easy to wedge tightly and bearing larger torque, and the problems of light-load slipping and heavy-load failure of a traditional one-way bearing are effectively solved.

There is provided a recycled cathode material precursor, including: a metal element α consisting of at least one of nickel, cobalt and manganese; and a metal element β consisting of at least one of iron, copper and aluminum, wherein a content of the metal element β is 0.5 to 20% by mass in the recycled cathode material precursor.

The present invention provides a deodorant material containing artificial fibroin as an active component, an agent for imparting deodorant properties, containing artificial fibroin as an active component, an article containing the agent for imparting deodorant properties, and a method for imparting deodorant properties, including a step of adding artificial fibroin to an article.

The invention discloses a hydraulic plate trailer drive axle which comprises a combined axle shaft, a motor, hubs, a steel ring, a tire and a connecting flange, the two ends of a hollow shaft of the combined axle shaft are connected with the hubs through hub bearings respectively, the hubs, the steel ring and the connecting flange are fixedly connected, the tire is connected to the steel ring in a sleeving mode, and the motor comprises a shell, a stator, an oil distribution shaft and a plunger. The oil distribution shaft, the stator and the shell are sequentially connected from inside to outside in a sleeved mode, the shell is connected to the connecting flange, the inner surface of the shell is a curved surface, a plurality of plunger grooves are formed in the outer surface of the stator in the circumferential direction, one plunger is arranged in each plunger groove, an oil distribution shaft oil inlet channel and an oil distribution shaft oil outlet channel are formed in the oil distribution shaft, and hydraulic oil flows through the oil distribution shaft oil inlet channel and the oil distribution shaft oil outlet channel along with rotation of the oil distribution shaft and the shell. The plunger grooves are alternately communicated with the oil distribution shaft oil inlet channel and the oil distribution shaft oil outlet channel. The hydraulic oil drives the motor shell to rotate forwards and backwards, the wheels are driven to move forwards and backwards, the power torque of the vehicle body is adjustable, the bearing capacity is large, operation is flexible, slow driving can be achieved, and the vehicle is suitable for equipment carrying under severe road conditions.

The invention discloses a four-way seat hanging step applied to a high-load working condition, and relates to the field of four-way joints for petroleum drilling, the four-way seat hanging step comprises a four-way joint, a seat hanging step body is mounted on the outer wall of the four-way joint, a locking ring is mounted in an inner cavity of the seat hanging step body, and a positioning block is attached to the outer wall of the locking ring; a circular groove is formed in the outer wall of the four-way joint, a second through groove is formed in the bottom of an inner cavity of the sitting hanging step body, and a mounting groove is formed in the top of the inner cavity of the sitting hanging step body. According to the four-way sitting and hanging step applied to the high-load working condition, starting from the structure, the circular groove is cut in the four-way, the sitting and hanging step body made of the three-petal type high-strength material is inlaid in the circular groove, and the inlaid material is fixed through the locking ring, so that the strength is improved by 80%; by means of the improvement, the strength of an original seat hanging step is improved from 75K to 135K, and the strength is improved by 80%.

The invention discloses a multi-degree-of-freedom carrier rocket rear end locking mechanism which comprises a base, the base is rotationally provided with an overturning seat, the overturning seat is provided with an operation platform, the overturning seat is connected with a driving part and rotates along a rotating shaft in cooperation with the overturning seat, a horizontal moving mechanism is installed on the overturning seat, and a lifting mechanism is installed on the horizontal moving mechanism. A locking mechanism is installed on the lifting mechanism and used for locking the rear end of the rocket, and the overturning base, the horizontal moving mechanism and the lifting mechanism jointly achieve multi-degree-of-freedom direction adjustment of the locking mechanism. Rapid positioning and locking of the carrier rocket are achieved, and preparation work and time of the rocket before launching in a launching site are greatly reduced.

The embodiment of the invention provides a high-temperature heat storage-supercritical steam generation system. The high-temperature heat storage-supercritical steam generation system comprises a heat storage body, a supercritical steam generation unit connected with the heat storage body and an intelligent control unit connected with the supercritical steam generation unit. The heat storage body comprises a solid waste-based graded porous carrier and fused salt filled in gaps of the solid waste-based graded porous carrier; the supercritical water vapor generating unit comprises a water vapor generator with a built-in spiral metal pipe and a multi-stage heat exchange runner; the intelligent control unit comprises a digital controller, an axial-flow compressor and a heat exchange pump, the digital controller is connected with the axial-flow compressor, the heat exchange pump and the heat storage body, and the digital controller is configured to dynamically adjust the running states of the axial-flow compressor, the heat exchange pump and the heat storage body.

The application provides a semiconductor processing equipment and a substrate posture adjusting device and method thereof; the substrate posture adjusting device is provided with a mover plate, a bearing plate and a center column connected between the two, and is also provided with a plurality of linear actuators and a plurality of hook hinges each having three rotation degrees of freedom; each linear actuator is used for driving a moving part of the linear actuator to move linearly along an actuating direction of the linear actuator; the moving part of each linear actuator is connected with the mover plate through a corresponding hook hinge; the strokes of the moving parts when moving linearly can be independently adjusted; by matching the stroke positions of the moving parts, the mover plate can be in an inclined state, and the bearing plate and a substrate supported by the bearing plate can be inclined through the center column, so that the adjustment of the inclination of the substrate is realized, and the uniformity during the processing of the surface of the substrate is optimized.

The application discloses a kind of decreasing type transient variable load loading device and test method, it is related to loading test simulation technical field.The application includes: first sliding mechanism, first slider is configured with linear sliding along first direction;Second sliding mechanism, second slider is configured with linear sliding along second direction;Constant load force mechanism is used to output constant load parallel with first direction, and load acts on the first slider;The first direction is vertically arranged with the second direction, the first slider is connected with the second slider by inclined connecting rod, the second slider is connected with the product to be measured on the side away from the first slider, the distance between the hinge point of the connecting rod and the first slider and the hinge point of the connecting rod and the second slider in second direction is less than the length of the connecting rod;Overcome the shortcomings of existing variable load loading system structure, small loading range, slow response, realize the purpose of instantaneous decrease of load.

The present invention discloses a bogie design method and a bogie and a miniature overhead rack rail sightseeing train system, wherein the bogie design method is to adopt an overhead straddle design for the bogie, the bogie adopts a single traction rod to transmit longitudinal traction and braking force, the single traction rod is arranged at a position on one side of the bogie, so that the traction point of the bogie is located at the side of the bogie, the driving gear of the bogie is also arranged at a position on one side of the bogie, so that the meshing driving point between the driving gear and the rack rail is also located at the side of the bogie, and the traction point and the driving point are located at the same side position; the position of the traction point is moved down to shorten the distance between the traction point and the driving point. The bogie designed by the present invention can not only meet the needs of a miniature overhead rack rail sightseeing train, but also reduce the axle weight transfer rate, improve the adhesion performance of the wheel axle, give full play to the efficiency of traction, and avoid idling of the wheel axle and overturning of the carriage.

The utility model provides a turning and milling composite interpolation Y-axis structure which comprises a lathe bed, a first saddle, a second saddle, a turret device, a first driving mechanism and a second driving mechanism, the first saddle is obliquely installed on the top end face of the lathe bed, and the first saddle and the top end face of the lathe bed form sliding connection in the transverse direction of the lathe bed. The second saddle is obliquely installed on the top end face of the first saddle, the first driving mechanism is connected with the second saddle, the tool turret device is slidably installed on the top end face of the second saddle, and the second driving mechanism is connected with the tool turret device. A first saddle is installed on the upper end face of a lathe bed in the mode that an inclined included angle is formed between the first saddle and the bottom end face of the lathe bed, meanwhile, a second saddle is installed on the top end face of the first saddle in the mode that an inclined included angle is formed between the second saddle and the top end face of the first saddle, and the first saddle and the second saddle are matched to form an overall gently-inclined inclined structure. Compared with a traditional Y-axis structure in an orthogonal form, the Y-axis structure is better in rigidity and can meet the working requirement for large cutting machining amount.

The invention relates to the technical field of mechanical automation, in particular to a gear welding flaw detection connecting line manipulator device and a working method thereof. Comprising a support unit, a power unit, a grabbing unit and a transmission unit, the support unit comprises a truss Z shaft and a bottom plate, the bottom of the truss Z shaft is connected with the bottom plate, and an opening is formed in the bottom plate; the power unit is located above the bottom plate and provides power for the mechanical arm device. The grabbing unit is located below the bottom plate and used for grabbing gear products. The transmission unit penetrates through the opening in the bottom plate, the upper end of the transmission unit is connected with the power unit, and the lower end of the transmission unit is connected with the grabbing unit. The problem that the production takt is wasted due to the fact that gear products need to be repeatedly taken and placed in traditional welding flaw detection connecting line automatic production can be solved, the production efficiency is improved, and great popularization value is achieved.

A continuous casting roller bearing seat bearing assembly device and method for increasing the bearing load, comprising a bearing seat, a bearing, and a cooling water channel in the bearing seat; a notch is provided in the middle position of the upper half of the bearing seat, the notch is opened in a direction perpendicular to the axis of the bearing seat, the outer ring of the bearing placed inside the bearing seat is sealed and welded to the inner edge of the notch, an arc-shaped steel plate is sealed and welded to the outside of the notch of the bearing seat, and the channel formed by the arc-shaped steel plate and the outer ring of the bearing is connected to the cooling water channel in the bearing seat. Compared with the existing technology, the beneficial effects of the present invention are: 1) The bearing of the present invention is enlarged, the inner and outer rings are thickened and widened, the rolling body is enlarged, and the load is greatly increased. 2) The circulating water is close to the outer ring of the bearing, which increases the cooling effect. 3) The bearing cover and the bearing seat are connected by threads, which is convenient for oiling and sealing. 4) Without changing the internal installation space of the rolling mill, the load is greatly increased and the service life is extended.

The invention discloses a modular gas-electric hybrid bionic robot and a bionic mechanical arm thereof, comprising a mechanical arm body, wherein the mechanical arm body comprises a shoulder module, an upper arm structure and a forearm structure which are connected in sequence; the shoulder module comprises a shoulder joint motor 1, a right-angle connecting frame, a shoulder joint motor 2, a connecting piece and a shoulder joint motor 3; the upper arm structure comprises an upper arm support, a pneumatic tendon 1, a pneumatic tendon 2, an elbow flange 1, an elbow flange 2 and an elbow posture sensor; the forearm structure comprises an elbow joint motor, an elbow flange 3, a pneumatic tendon 3, a wrist flange, a wrist posture sensor and a supporting rod; in the forearm structure of the invention, the pronation / supination of the wrist, the abduction / internal rotation, the extension / extension of the shoulder and the rotation of the upper arm / forearm are all driven by a motor as a driving source; the elbow bending action and the wrist bending action are driven by a plurality of pneumatic tendons, which is more in line with the human body structure and realizes the coordinated work and flexible movement of muscles.

The invention relates to the technical field of ship mooring, in particular to a plug-in type high-bearing ship mooring device which comprises a ship connecting assembly connected with a ship and a fixing base arranged on the land, and the fixing base comprises a lock seat assembly arranged on a buffer supporting table. A lock head assembly matched with the lock seat assembly in an inserted mode is arranged on the ship connecting assembly, and ship mooring is achieved through locking of the lock head assembly and the lock seat assembly. A sliding guide assembly connected with a buffering supporting table through a supporting structure is arranged below the lock seat assembly, the buffering supporting table is connected with a supporting base through an oil cylinder assembly, the supporting base is rotatably arranged on a rotating base, large mooring tension can be borne, and meanwhile multi-direction buffering is provided; meanwhile, the operation is convenient, and the labor intensity of operators can be reduced.

The application discloses an ultrahigh-vacuum-compatible high-precision nanoradian rotary table and a nanoradian angle output method, and belongs to the technical field of precise adjustment equipment. The rotary table is composed of a rotary seat assembly, a driving assembly, a displacement transmission assembly and an angle output rotary hinge. The driving assembly and the displacement transmission assembly are cores. The nanometer displacement of a piezoelectric actuator is scaled and amplified by a displacement driving hinge, driving force is accurately transmitted through the displacement transmission assembly, and linear displacement is converted into nanoradian rotation through the angle output rotary hinge. The titanium alloy material of the rotary table is suitable for an ultrahigh-vacuum environment, and the piezoelectric actuator is combined to realize overall power-off self-locking. Under a 5kg load, a minimum rotation step of 10nrad and a rotation stroke of 200μrad can be realized, and the problems of poor load, no self-locking, unsuitable vacuum and low rotation precision of existing rotary tables are solved. The structure has high rigidity and stability, and closed-loop control can also be realized.

The utility model relates to the technical field of core drilling, especially to a gearbox for core drilling machine. The gearbox comprises a box body, an input shaft, an intermediate rotating shaft, an output shaft and a shift fork mechanism. The input shaft is provided with a driving gear. The intermediate rotating shaft is provided with a driven gear, a clutch gear and an inner-outer connecting gear in sequence from top to bottom. The driving gear and the driven gear are in mesh with each other. The clutch gear rotates with the intermediate rotating shaft and moves up and down along the axial direction of the intermediate rotating shaft. The inner surface of the inner-outer connecting gear towards the clutch gear end is provided with internal teeth, and the outer surface of the inner-outer connecting gear away from the clutch gear end is provided with external teeth. The output shaft is provided with a second gear and a first gear in sequence from top to bottom along the axial direction. The shift fork mechanism drives the clutch gear to move up and down along the axial direction of the intermediate rotating shaft. The gearbox can switch the output shaft between low-speed rotation and high-speed rotation, so that the drill rod can meet various working requirements of low-speed heavy load and high-speed light load, and the working range of the drilling machine is improved.

The invention discloses a small large-tension electric cylinder combined mechanism which comprises a driving electric cylinder and a follow-up guide assembly, the fixed ends of the driving electric cylinder and the follow-up guide assembly on the same side are both fixed to the same mounting platform, and the movable ends of the driving electric cylinder and the follow-up guide assembly on the same side are both connected with the same load; the follow-up guide assembly comprises a guide cylinder, a guide rod and an adjusting and limiting flange, one end of the guide cylinder is connected to the mounting platform, the other end of the guide cylinder is provided with the adjusting and limiting flange, the adjusting and limiting flange is provided with a through hole, one end of the guide rod penetrates through the through hole to be connected with the load, and the other end of the guide rod is connected with the load. The other end of the guide rod is located in the guide cylinder and fixedly connected with a protruding block. According to the small-sized large-tension electric cylinder combined mechanism, by arranging a combined form of the small-sized power electric cylinder and the follow-up guide assembly, when a load is subjected to additionally increased tension, the power electric cylinder can be protected, and meanwhile, the requirement for space installation can be met.

The utility model discloses an organic fertilizer batching device which comprises a supporting mechanism, batching mechanisms are arranged on the two sides of the top of the supporting mechanism, each batching mechanism comprises a material storage tank, one side of the outer wall of each material storage tank is connected with a feeding hopper in a penetrating mode, and a discharging opening is formed in the bottom of each material storage tank. A sliding block is slidably connected to the inner wall of the bottom of the material storage tank, a material limiting plate is fixedly connected to the position, below the sliding block, of the inner wall of the material storage tank, through grooves are formed in the periphery of the inner wall of the material limiting plate, an annular rack is rotatably connected to the position, below the material limiting plate, of the inner wall of the material storage tank, and a material blocking plate is fixedly installed on the inner wall of the annular rack. The top of the material blocking plate is in sliding connection with the material limiting plate, the material limiting plate is arranged in the material opening, ingredients can fall down from a through groove in the material limiting plate, meanwhile, the bottom of the material limiting plate is tightly attached to the material blocking plate, the material blocking plate is connected with the gear to rotate intermittently, and therefore the through groove in the material limiting plate is switched between opening and closing back and forth, and the device discharges materials in batches and is convenient to quantify.

The invention relates to the technical field of additive manufacturing of ceramic materials, and particularly discloses an anti-cracking preparation method of a large-size thick-wall ceramic part based on photocuring 3D printing, which comprises the following steps: preparation of ceramic slurry, 3D printing forming, drying and solvent evaporation pore forming, thermal degreasing and high-temperature sintering. According to the preparation method, a specific removable solvent is introduced into ceramic slurry, and a green body formed by 3D printing is subjected to heat treatment before thermal degreasing, so that the solvent can be fully volatilized, a communicated micron-sized micropore channel is formed in the green body, and an escape path is provided for gas generated by subsequent decomposition of a macromolecular binder; in addition, the solvent is completely removed before sintering, no residual impurities are introduced into the final ceramic body, and the micropore channels can be self-healed in the sintering process, so that the high-density ceramic part can be obtained.