21results about How to "Reduce inertia" patented technology

The invention provides a PFA composite material laminated plate and a preparation method thereof, and belongs to the technical field of perfluororesin.The method comprises the steps that CNT, tetrafluoroethylene monomers and perfluoroalkyl vinyl ether monomers are polymerized to obtain CNT-containing PFA emulsion, and the CNT-containing PFA emulsion is dried and devolatilized to obtain CNT-containing PFA micro powder; coating the PFA micro powder on the surface of the spread yarn carbon fiber, and drying to obtain a prepreg; melting, extruding, granulating and casting the PFA micro powder to obtain a PFA cast film; a PFA cast film and the spread yarn carbon fiber prepreg are stacked according to different film forming directions, vacuum exhausting and compression molding are carried out, and a laminated plate is obtained; and the laminated plates are sequentially stacked, vacuum exhaust and compression molding are conducted, and the PFA composite material laminated plate is obtained. By means of the treatment scheme, the tensile strength of the PFA composite material laminated plate in the x-y direction and the z-axis direction is improved, and the method can be applied to the semiconductor manufacturing process in the high-temperature and strong-oxidizing-property solvent environment.

The invention provides an impeller ring sealing device of a centrifugal pump and the centrifugal pump. The impeller ring sealing device comprises a movable ring and a static ring which are arranged between an impeller ring and an impeller front cover. The distance between every two adjacent sets of static ring teeth is Bc, and the distance between the inner circumferential face of the static ring and the outer circumferential face of the movable ring is Ht. The section of the movable ring tooth is in a dry shape, and the movable ring tooth comprises a radial ring tooth extending in the radial direction, a first axial ring tooth and a second axial ring tooth, wherein the first axial ring tooth and the second axial ring tooth are perpendicular to the radial ring tooth and parallel to each other. The distance Hb between the first axial ring teeth and the second axial ring teeth ranges from 0.05 Ht to 0.35 Ht. The distance Ha between the first axial ring teeth and the outer circumferential face of the movable ring ranges from 0.05 Ht to 0.35 Ht. The tooth thickness Ba of the radial ring teeth in the axial direction ranges from 0.1 Bc to 0.4 Bc. The tooth width Hv of the first axial ring teeth and the second axial ring teeth in the radial direction ranges from 0.1 Ht to 0.2 Ht. The distance Cs between the first axial ring teeth and the static ring teeth on the two adjacent sides and the distance Cs between the second axial ring teeth and the static ring teeth on the two adjacent sides are 0.1 Bc to 0.25 Bc. The eddy-current loss in the sealing cavity is increased by adjusting the tooth structure of the moving ring, so that the leakage amount of fluid at the wear ring under the high-pressure working condition is greatly reduced.

The invention discloses a three-dimensional warehousing system capable of automatically loading and unloading goods and a control method thereof, and relates to the technical field of logistics warehousing, the three-dimensional warehousing system comprises a movable loading and unloading intelligent vehicle and a goods shelf storage platform, and the movable loading and unloading intelligent vehicle comprises a movable ground rail and a movable loading and unloading platform capable of moving along the movable ground rail; the movable loading and unloading platform comprises a movable platform and a material flat car used for bearing materials, a sliding way is formed in the movable platform, and material pulleys are arranged at the bottom of the material flat car and connected with the sliding way. An air cylinder locking mechanism is arranged on the movable platform and comprises an air cylinder and an air cylinder locking pin, and the air cylinder locking pin is fixed to the tail end of a telescopic rod of the air cylinder and can be pushed into a sliding way of the movable platform to be locked; a sliding block locking mechanism is arranged on the material flat car, and the sliding block locking mechanism is matched with the goods shelf storage platform for locking. By means of the double-locking structure, in the storing and taking process of materials in the three-dimensional warehousing system, the butt joint accuracy is improved, and then the storage efficiency is improved.

The utility model discloses a slider connecting piece, drive stand and 3D printer to solve the technical problem of inconvenient installation and insufficient stability of the existing 3D printer slider connecting piece. The utility model discloses a bottom plate, mounting block, clamping post, the mounting block includes setting in the side surface of bottom plate, first mounting block for with slider fixed connection, the clamping post includes setting on the bottom plate and the first stand and second stand of up and down arrangement, and there is the clamping gap between first stand and second stand, and the position of first stand faces the clamping gap and is provided with first pawl, and the position of second stand faces the clamping gap and is provided with second pawl, first installation groove is formed between the clamping post and first mounting block, and the head and tail of toothed transmission belt all pass through the clamping gap. The utility model has the advantages of convenient installation and strong stability.

The present invention provides a PFA composite laminate and a preparation method thereof, which belongs to the technical field of perfluororesins. The method includes polymerizing carbon nanotubes with tetrafluoroethylene monomers and perfluoroalkyl vinyl ether monomers to obtain a PFA emulsion containing CNTs, drying and devolatilizing to obtain a PFA powder containing CNTs; applying the PFA powder to the surface of a spun-yarn carbon fiber and drying it to form a prepreg; melt-extruding and granulating the PFA powder to obtain a PFA cast film; superimposing the PFA cast film with the spun-yarn carbon fiber prepreg in different film-forming directions, vacuum exhausting, and compression molding to obtain a laminate; superimposing the laminates in sequence, vacuum exhausting, and compression molding to obtain a PFA composite laminate. Through the processing scheme of the present application, the tensile strength of the PFA composite laminate in the x-y direction and the z-axis direction is improved, and it can be applied to semiconductor processes involving high temperature and strong oxidizing solvent environments.

The cable cleaning device comprises a power part, a transmission part and a cleaning disc, the cleaning disc comprises at least two disc bodies and brush wires, on the basis, in the using process, the cleaning disc can be disassembled, at least one disc body is disassembled, then the cleaning disc is arranged on a to-be-cleaned cable in a sleeving mode, and the cleaning disc is arranged on the to-be-cleaned cable in a sleeving mode; then the assembly of the cleaning disc is completed, then the power piece is started, the power piece drives the cleaning disc to rotate, and the brush wires on the cleaning disc make contact with the cable, so that the cable can be cleaned, impurities, ice and snow and sundries attached to the cable can be removed, and the cleanliness of the cable can be guaranteed; therefore, the probability that the insulated part of the cable or the cable is corroded is reduced, sundries on the cable can be removed, the dead weight of the cable is reduced, the stress area and inertia of the cable can be reduced under the condition of the same wind power, the swing amplitude of the cable is reduced, the cable is used more safely, and the operation of a power distribution system is safer.

This invention relates to an integrated molten salt reactor power generation system and its power generation method. The integrated molten salt reactor power generation system includes a molten salt reactor high-temperature heating module, a heat exchange module, and a mixed working fluid Brayton cycle power generation module. The mixed working fluid Brayton cycle power generation module consists of a turbine, a regenerator, a cooler, a compressor, and a generator. The turbine, compressor, and generator are coaxially connected, and each device is sequentially connected via pipelines according to operating conditions, forming a complete circulation path. The molten salt reactor high-temperature heating module is connected to the heat exchange module via molten salt pipelines, constructing a fuel salt circulation loop. The heat exchange module is then connected to the cold-side outlet of the regenerator and the inlet of the turbine via gas flow pipelines, forming an independent gas mixed working fluid circulation loop. The entire power generation module uses inert gas as the circulating working fluid, relying on a dual-loop isolation layout and Brayton cycle structure design to avoid the inherent shortcomings of traditional steam cycles. This invention achieves a comprehensive improvement in system efficiency, compactness, and safety.

The present invention discloses a continuous detection device for the lifting torque of a crane, which relates to the technical field of torque detection, and comprises a base and a continuous device detection. A support frame is rotatably installed on the top of the base, a winding device is fixedly installed on the surface of the support frame, a lifting device is arranged below the support frame, a rope is fixedly installed on the surface of the winding device, and the other end of the rope is fixedly sleeved on the surface of the lifting device; wherein the continuous detection device comprises a hollow box, a torque detection plate, a connecting rod, a fixed block, a pulley, a hollow column, a hollow rod and a round rod, the weight of the goods will straighten the rope, the straightened rope will drive the pulley to move upward, the upward movement of the pulley will drive the fixed block to move upward, and the hollow box is fixedly installed on the inner wall of the support frame to prevent the rope from being instantly straightened when the heavy object is directly lifted, which will reduce the service life of the rope and may cause damage to the equipment.

This utility model discloses an automotive energy-absorbing device, a vehicle body frame, and a vehicle. The automotive energy-absorbing device is installed between a crash beam and a longitudinal beam, and includes a telescopic energy-absorbing box and a drive assembly. One end of the telescopic energy-absorbing box is connected to the crash beam, and the other end is connected to the drive assembly. The end of the drive assembly away from the telescopic energy-absorbing box is connected to the longitudinal beam. After receiving a collision risk signal, the drive assembly controls the length of the telescopic energy-absorbing box in the longitudinal beam direction. In this embodiment, when a collision between the vehicle and an obstacle is detected, the drive assembly controls the telescopic energy-absorbing box to lengthen in the longitudinal beam direction. When the obstacle collides with the vehicle, the obstacle first contacts the crash beam, causing the crash beam to deform. Then, the telescopic energy-absorbing box undergoes crush deformation. By increasing the deformation space of the vehicle when the obstacle collides with the vehicle, the risk of injury to the occupants during a high-speed collision is reduced.

The invention relates to an intelligent omni-directional logistics vehicle based on multi-source heterogeneous information fusion and a control method. The logistics vehicle comprises a logistics vehicle body, an integrated sensor box module, a visual module, a control module and a driving module, wherein the integrated sensor box module, the visual module, the control module and the driving module are arranged on the logistics vehicle body. The integrated sensor box module, the vision module, the control module and the driving module are all in communication connection with the control module; the control module obtains image information collected by the monocular camera and the depth camera for mapping, plans a driving route and finds an optimal solution of a cargo circulation path; the control module obtains data of the left sensor integration box and the right sensor integration box for integration analysis, judges the conditions of obstacles on two wings and in front of the side, and assists camera information in obstacle avoidance. And the control module acquires data of the inertial measurement unit, and performs visual SLAM (Simultaneous Localization and Mapping) processing by fusing image information. Compared with the prior art, high-precision mapping is carried out, goods are dispatched efficiently, and the obstacle avoidance and path planning capability of the logistics vehicle is improved.

The utility model discloses a kind of stepped light-weight axle wheel connecting structures, including shaft body, the surface of the shaft body is provided with double-row sprocket, the double-row sprocket includes two wheel bodies being set up mutually parallel, recess is set up in the both sides of the double-row sprocket, the utility model is directly carried out surfacing polishing to the 28mm diameter part of shaft body by setting shaft body and bearing, when bearing needs to be replaced or the surface of shaft body appears abrasion and needs to be repaired, due to the special size design of shaft body and double-row sprocket connecting part, after repair, bearing can be easily detached from shaft body, facilitate the replacement and maintenance of bearing, effectively improve the maintenance convenience and operation reliability of equipment.

The utility model discloses a clamping jaw device, and relates to the technical field of mechanical equipment. The device specifically comprises a first rodless cylinder; the first end of the sliding block mounting plate is connected to a sliding block of the first rodless air cylinder, and the sliding block mounting plate ascends and descends along with the first rodless air cylinder; the horizontal fixing plate is connected to the second end of the sliding block mounting plate; the two clamping assemblies are connected to the two sides of the horizontal fixing plate correspondingly, and the two clamping assemblies can get close to each other or get away from each other in the length direction of the horizontal fixing plate so as to clamp an object to be clamped; and the second rodless air cylinder and the first rodless air cylinder are arranged in parallel, the first end of the sliding block mounting plate is connected to the second rodless air cylinder, and when the first rodless air cylinder descends, the second rodless air cylinder and the first rodless air cylinder move oppositely so as to reduce the descending speed of the first rodless air cylinder. Stable operation of the clamping jaw device is guaranteed while space occupied by an air cylinder is shortened.

The utility model discloses a friction pendulum shock insulation support with a laminated rubber sliding block sealing cavity, which comprises a support plate, a concave sliding wall is arranged in the support plate, and a sliding chute is arranged at an opening of the concave sliding wall; the double-face sliding plate is arranged in the concave sliding wall, and the two ends of the double-face sliding plate are each provided with a fixed twisting turned edge; the sliding surface steel strand is fixedly mounted in the fixed twisting turned edge; the laminated rubber sliding block is arranged between the upper double-face sliding plate and the lower double-face sliding plate, arc-shaped sliding plates are arranged at the upper end and the lower end of the laminated rubber sliding block, and waist grooves are formed in the middle of the laminated rubber sliding block in a vertically symmetrical mode; and the lead core is embedded in the center of the laminated rubber sliding block. Effective displacement and deformation are realized; by means of the structure, interaction of the assemblies is flexible, the inertia effect transmitted to a building structure can be weakened, the support has the vertical tensile capacity, the air pressure difference exists inside and outside the support, certain stability can be provided for the support, vertical seismic oscillation can be isolated, and wide application of the support is facilitated.

The application provides a motor wireless charging and control integrated system and method, the system comprising: a central control unit, a wireless energy transmitting unit, a wireless communication unit and an integrated motor module; the wireless energy transmitting unit is controlled by the central control unit to transmit electric energy; the wireless communication unit comprises a first wireless communication module and a second wireless communication module; the integrated motor module comprises a linear motor, a servo driver, a wireless energy receiving unit, an energy storage unit, a local control unit and a state monitoring unit. The energy receiving unit is electromagnetically coupled with the energy transmitting unit to receive electric energy, and is connected in parallel with the energy storage unit to supply power to the servo driver; the state monitoring unit monitors the motor state and feeds back the central control unit through the communication unit. The scheme can realize wireless energy transmission between the power supply system and the motor module at the corresponding position according to the position of the motor module, and meets the high flexibility wireless power supply of the motor equipment.

The invention discloses a scanning slit type light spot analyzer which comprises a connecting base and a first rotating cover, a first rotating power source is installed on the connecting base, and the output end of the first rotating power source is connected with the first rotating cover and used for driving the first rotating cover to rotate relative to the connecting base; a light sensor is arranged on the connecting seat, and a light sensing surface of the light sensor is arranged outwards; the peripheral wall of the first rotating cover is provided with a slit structure penetrating through the peripheral wall in the radial direction, and when the first rotating cover rotates to the slit structure right facing the light sensing surface of the light sensor, external light is allowed to penetrate through the slit structure to enter the light sensor. The first rotating cover is directly driven by the first rotating power source, elastic deformation and clearance errors of a traditional transmission mechanism are eliminated through the direct-drive arrangement, and the rotating positioning precision and the response speed are remarkably improved; meanwhile, intermediate transmission links are reduced, system inertia is reduced, and operation stability and dynamic performance are enhanced.

The utility model relates to the technical field of landscaping provides a kind of landscaping trimmer, comprising: installation bottom plate, the installation bottom plate is trapezoidal, its rear end is fixedly connected with push handle, the installation bottom plate top end is equipped with sliding frame, the sliding frame is slidably connected with mounting block, servo electric cylinder is installed on the installation bottom plate, the output of servo electric cylinder is fixedly connected with connecting plate, the connecting plate is fixedly connected with sliding frame, the utility model, main lifting mechanism (servo electric cylinder, sliding frame) is fixed on bottom plate, only drive lightweight connecting frame and trimming component to change angle, this "fixed main body, dynamic end" design, substantially reduce the mass and inertia of moving component, fundamentally overcome the whole overturning caused by whole machine shaking and overturning risk.

The utility model relates to the technical field of cloth inspecting machine equipment, in particular to a labeling machine for labeling, which comprises a first conveying component, a label conveying mechanism in driving connection with the first conveying component, and a labeling mechanism arranged on the label conveying mechanism, the labeling mechanism comprises a second conveying assembly, a third conveying assembly in driving connection with the second conveying assembly and a labeling manipulator, the first conveying assembly is used for transferring the label conveying mechanism and the labeling mechanism to a labeling position, and the second conveying assembly is used for driving the labeling manipulator to pick up and paste labels; the third conveying assembly comprises an air cylinder installed at the output end of the second conveying assembly, the labeling manipulator is connected with an output shaft of the air cylinder, and the air cylinder is used for driving the labeling manipulator to be away from the label conveying mechanism. The label is automatically conveyed to the labeling position through the first conveying assembly and the labeling mechanism, the labeling manipulator is driven by the air cylinder to complete accurate labeling of the label, manual intervention is reduced, and production efficiency and precision are improved.

A coordinate positioning apparatus comprising a load bearing structure. The load bearing structure comprises at least one elongate corner piece providing at least two bearing surfaces, one on each side of the corner, for a carriage moveable along the load bearing structure, and at least one piece of sheet material which extends along the at least one elongate corner piece and provides at least one load bearing facet.

This application relates to the field of medical device technology, and in particular to a pulse ablation clamping device, including a handle, a support tube, a first ablation clamp, a second ablation clamp, a flexible transmission assembly, and a drive assembly. One end of the support tube is fixedly mounted on the handle, and its interior communicates with the interior of the handle. The first ablation clamp is fixedly mounted on the end of the support tube away from the handle. The second ablation clamp is movable toward or away from the first ablation clamp on the end of the support tube away from the handle. Compared to existing pulse ablation clamping devices, the support tube can undergo plastic deformation, allowing the first and second ablation clamps to move synchronously and rotate synchronously at multiple angles more flexibly, adapting to the tissue orientation of different sites and improving surgical flexibility. The drive assembly can drive the second ablation clamp toward the first ablation clamp via the flexible transmission assembly. Compared to rigid transmission methods, it can transmit power in a non-linear transmission path.

The invention relates to computer-aided medical systems and methods, and describes systems and methods for computer-aided instrument motion. For example, the present disclosure provides mechanisms and techniques for gripping an instrument with a computer-assisted manipulator assembly, as well as methods for actuating computer-assisted instrument motion.

The utility model discloses a rotatable swing type sparse beating picking device. The utility model discloses a connecting rod mechanism, and the connecting rod mechanism includes outer pole, and one end of outer pole is connected handheld part, and the inside of outer pole is equipped with inner pole, and the one end of inner pole is inserted into handheld part, and the movement part is connected with the inner pole end of connecting rod mechanism, and the inner pole end is equipped with the boss, and the movement part is equipped with the ring groove in the inner pole junction, and the boss is embedded in the ring groove, and is used for the uninterrupted power transmission of inner pole when the device rotation adjustment, and the sparse brush head is connected with the movement part, and the movement part drives the left and right swing of sparse brush head. The utility model can keep the continuity of power transmission when the movement part and sparse brush head rotation adjustment, ensure that power is uninterrupted, make the equipment run more stable and smooth. Meanwhile, the utility model discloses the cooperation of boss and ring groove, need not overturn handheld part, only rotate handheld pole, can make handheld pole and sparse brush head barrierless overturn, realize different angle nut picking, improve flexibility and picking efficiency, reduce the labor intensity.