84results about How to "Reduced size space" patented technology

The invention discloses a powerful and mechanical automatic-locking hydraulic cylinder, and belongs to the technical field of hydraulic cylinders. The two ends of a cylinder barrel are sealed by a cylinder cover and a cylinder bottom respectively. A guiding column of the cylinder cover is sleeved with a spring. The spring is sleeved with a brake block. The two ends of the spring abut against the cylinder cover and the brake block respectively. The outer circumferential face of the large diameter of the brake block is in sealing fit with the inner circumferential face of the cylinder cover. The end face of the end, with a large-diameter hole, of a locking block abuts against the end face of the step of an inner hole of the cylinder barrel, and the other end face of the locking block abuts against the end face, located at the portion of the cylinder barrel, of the cylinder cover. After a steel ball is put into a steel ball installation hole of a piston, the steel ball installation hole of the piston is matched with an inner hole of the cylinder barrel, and an annular groove of the piston corresponds to a rodless cavity oil port in the cylinder barrel. One end of a piston rod is fixed to a piston rod installation hole of the piston, and the other end of the piston rod penetrates through the cylinder bottom to be located outside the cylinder barrel. According to the powerful and mechanical automatic-locking hydraulic cylinder, the requirement for automatic locking after the piston rod is completely retracted can be met, and the locking state can be kept for a long time under the situation that pressure relief of a hydraulic system is completed or leakage happens until unlocking is actively achieved.

The invention discloses an electrical support for an integrated drive coil, a camera module group, and an application thereof. The camera module group comprises the electrical support, a light-sensing chip, an optical lens, and a carrier and magnet of a drive motor. The electrical support comprises an electrical support main body and the drive coil. The drive coil is integrated on the electrical support main body. Therefore, the optical lens can be driven by the magnet and the drive coil to carry out automatic focusing when the optical lens is disposed on the electrical support through the carrier.

The invention discloses an integrated robot joint device. The device is characterized in that a motor output shaft serves as an input shaft of a RV speed reducer; a rotor of a single-ring absolute value encoder is fixedly connected to an input end plate of the RV speed reducer through a sensor adapter plate, and a stator of the single-ring absolute value encoder is fixedly connected to a RV speedreducer shell through a sensor fixing plate; the rotor of an incremental encoder is fixed with the output shaft of the motor, and the stator of the incremental encoder is fixed to a T-shaped shell; the rotor of a frameless direct-drive torque motor is fixedly connected with the motor output shaft, and the stator of the frameless direct-drive torque motor is fixedly connected with the T-shaped shell; the rotor of a power-off type brake is connected with the motor output shaft, and the stator of the power-off type brake is fixedly connected with a motor end cover; a direct-current driver is connected to the T-shaped shell through a driver support, wherein the direct-current driver and the power-off type brake are arranged on one side of the frameless direct-drive torque motor, and the side is sealed by a rear sealing end cover; the RV speed reducer, the incremental encoder, the single-ring absolute value encoder are located on the other side of the frameless direct-drive torque motor; and an output flange is arranged on an output end plate of the RV speed reducer in a sealing manner.

The invention discloses an electromagnetic repulsive force edge pressing method and device based on inertial confinement. The method comprises the steps that an edge pressing coil is discharged; the edge pressing coil is arranged on the upper portion of an edge pressing copper ring; the edge pressing copper ring is arranged on the upper portion of the edge of a workpiece; the workpiece is arranged on the upper portion of a female die; the to-be-deformed workpiece is molded through the female die, a pulsed magnet field is generated in the discharging process of the edge pressing coil, induced eddy current correspondingly generated in the edge pressing copper ring and the pulsed magnet field interact, and thus electromagnetic repulsive force is generated between the edge pressing coil and the edge pressing copper ring; and edge pressing force to the edge of the workpiece is provided by the electromagnetic repulsive force between the edge pressing coil and the edge pressing copper ring so that the edge positions of the workpiece can be kept stable in the molding process, meanwhile, workpiece material flowing is controlled, and the workpiece is prevented from being wrinkled and broken in the molding process. Through the electromagnetic repulsive force between two edge pressing coils of between the edge pressing coil and the edge pressing copper ring, the edge pressing force can be flexibly controlled, the device manufacturing cost is reduced, the space size is reduced, and the power source energy of a system can be effectively reduced.

The dual polarised radiating element comprises four dipoles each comprising one stand and two arms. A first arm and a second arm belonging to two adjacent dipoles, form a straight radiating strand composed of a single part and the four radiating strands are arranged so as to form a disjoint square at the corners. The antenna comprises at least one first radiating element operating in a first frequency band and at least one second radiating element operating in a second frequency band and having at least one dipole that is arranged at the centre of the square formed by the radiating strands of the first radiating element, the radiating elements being arranged above a common reflector such that the transverse strands of the first radiating elements are located between two adjacent second radiating elements.

The disclosure provides a scanning device including a flatbed scanner and an ADF. The flatbed scanner includes a first body, a transparent substrate disposed on top surface of the first body, a firstfilm disposed on top surface of the transparent substrate, and an image capturing module disposed under bottom surface of the transparent substrate. The ADF includes a second body, a backplane disposed at bottom of the second body for covering top surface of the flatbed scanner, a paper passage disposed inside the ADF, and a second film. An open portion is configured in the paper passage corresponding to top surface of the transparent substrate, and results communication between the paper passage and top surface of the transparent substrate. The second film is disposed at paper entrance of theopen portion. Wherein, the first film and the second film are not overlap on top surface of the transparent substrate.

The present invention relates to an antenna structure and a wireless communication device using the same. The wireless communication device includes a metallic housing and an antenna structure. The antenna structure includes a feed end and a radiator. The radiator is connected to the feed end and extends towards the metallic housing. The metallic housing defines a gap between the metallic housing and the radiator for coupling the metallic housing with the radiator through electromagnetic induction. A size of the gap is determined by a wavelength of wireless signals received or transmitted by the wireless communication device. The radiator and the metallic housing cooperatively resonate in at least two modes. The metallic housing of the present invention is equipped with the gap, so that the metallic housing forms a part of the antenna structure, a shielding effect caused by the metallic housing to an antenna is avoided, the size of the antenna and the occupation space are reduced, and an effect of reducing cost is realized.

The invention discloses a device and method for simultaneous desulfurization and denitrification of flue gas under a synergistic effect of vacuum ultraviolet and available chlorine. The method and thedevice are characterized in that an ultraviolet source is adopted for simultaneous radiation of VUV and UVC, and oxygen source gas is subjected to photolysis through VUV waveband photons to generateO3 and ROS; then, the generated O3 and ROS are guided into flue gas and returns near to the ultraviolet source along with the flue gas to take UVC irradiation; an available chlorine oxidation absorbent is mixed in the flue gas, and O3, ROS and the available chlorine oxidation absorbent synergistically play a role in oxidation of NOx and SOx in the flue gas; photochemical reaction of O3 and an available chlorine component in the available chlorine oxidation absorbent is excited through UVC waveband photons to generate more active free radicals to further have reaction with NOx and SOx in the flue gas, so that NO and SO2 in the flue gas can be oxidized into nitrate and sulfate to realize simultaneous desulfurization and denitrification of flue gas.

The invention belongs to the field of cutting machinery, and in particular relates to a coal mining excavation saw. The invention aims to puts forward a coal mining excavation saw with deep excavating function, ability to realize a variety of cutting functions, small energy loss, long service life, and high cutting efficiency. The technical scheme is as the following: a coal mining excavation saw comprises a body and a sawing mechanism, etc. The sawing mechanism includes a driving wheel, a driven wheel, saw blades, a cooling device and a supporting frame, etc. The driven wheel is composed of at least one wheel. The saw blades are wound on the driving wheel and the driven wheel in a tensioning state, and the supporting frame is disposed between the driving wheel and the driven wheel. When there exists one driven wheel, the driven wheel is disposed on one side of the supporting frame, and when there exist a plurality of driven wheels, they are symmetrically arranged on two sides of the supporting frame. The spray nozzle of the cooling device is arranged on the supporting frame. The saw surface width is not less than the width sum of the driven wheel and the supporting frame. The excavation saw of the invention has the advantages of good excavation function, small energy loss, long service life, and multiple cutting functions, thus being able to greatly improve the mining efficiency of coal briquettes.

The invention discloses a core detection device of a coring instrument. The core detection device comprises a base body and a rock core switch mechanism arranged on the base body, wherein the base body is provided with a rock core channel communicated with a rock core barrel, and the rock core switch mechanism comprises a detection part, a connecting rod assembly and a travel switch which are sequentially arranged and connected in the length direction of the coring instrument; the detection part is rotationally installed on the base body, one end of the detection part extends into the rock core channel to enable a rock core passing through the rock core channel to push the detection part to rotate; and the connecting rod assembly can be pulled by the rotating detection part to trigger thetravel switch to act. The core detection device relates to the field of oil exploration and development. According to the rock core detection device of the coring instrument provided by the invention,the rock core switch mechanism adopts a sliding block connecting rod structure, the kinematic pair mainly comprises a sliding pair and a rotating pair, the structure is simpler and more reliable, theadaptability to the underground high-temperature mud environment is higher, and the radial size and the occupied space can be reduced due to the fact that the core detection device is arranged in thelength direction of the coring instrument.

The invention provides a vehicle lamp module. The vehicle lamp module comprises a plurality of light sources and a primary optical element, wherein the primary optical element comprises a primary optical element body and a plurality of light incident parts which are arranged at the rear end of the primary optical element body and are arranged left and right; the plurality of light sources are in one-to-one correspondence with the light incident parts; the left edge side and/or the right edge side of the primary optical element body is provided with an edge reflection part; the plurality of light incident parts are provided with edge light incident parts located on the left sides and/or the right sides; at least a part of light rays emitted from the edge light incident parts are reflected by the edge reflection part and then are emitted out from the primary optical element, so that a vehicle lamp light shape formed by the automobile lamp module on the left side and/or the broadened angle on the right side can be increased. Compared with the prior art, the size of the primary optical element in the application is relatively small in the left-right direction under the premise of reaching the same broadened angle. Therefore, the size of the primary optical element in the left-right direction can be reduced while the broadened angle is enlarged.

The invention discloses a transistor based on a multi-top-gate structure. The transistor comprises a substrate and a dielectric layer located on the substrate. The dielectric layer is provided with a source region, a drain region and a channel region connected between the source region and the drain region. The channel region is connected with at least two top gates, one of the top gates serves as an output pole, and the rest of the top gates serve as input poles. The source region, the drain region and all the top gates are arranged on the lower surface of the dielectric layer in a co-plane mode. The transistor is provided with one or more input poles used for controlling current carriers of the channel region, the voltage of the input poles is changed and the output state of the transistor is controlled, so that one transistor is used for achieving multiple logic outputs, the number of transistors in a logic circuit can be reduced, and the manufacturing method of the logic circuit is simple. The co-plane design of the top gates and a channel is adopted, the size of the transistor is effectively reduced, the integration level of the logic circuit is easily improved, and manufacturing cost is reduced.

The invention discloses a micro-strip side feeding anti-pode Vivaldi antenna, relating to an antenna, in particular to a small-size plane antenna. The micro-strip side feed anti-pode Vivaldi antenna consists of anti-pode radiation patches (1), a micro-strip feeder line (2) and a dielectric substrate (3), wherein the two anti-pode radiation patches (1) are positioned on two surfaces of the dielectric substrate (3); opposite edges (4) of the two radiation patches (1) are opened to form a horn-shaped opening; the biggest part of a tail end opening of the radiation patches (1) is an antenna radiation tail end (5), and the other direction of the opening is an antenna transmission section (6); and one end of the micro-strip feeder line (2) is connected with the antenna transmission section (6) from a side edge, and the other end of the micro-strip feeder line (2) is an antenna feed end (9). According to the micro-strip side feed anti-pode Vivaldi antenna disclosed by the invention, the space occupied by a antenna feeding part is saved, so that the size of the antenna is reduced.

The invention discloses a novel common winding drum bidirectional rope outlet open-close system. The system comprises a gate hoist body, a machine frame and a mounting foundation. The gate hoist body is mounted at the top of the machine frame through the machine frame and comprises a motor, a brake, a reducer, a first transmission shaft device, a second transmission shaft device and a winding drum device which are sequentially in transmission connection. The winding drum device is provided with a bidirectional single-linkage spiral linear rope race winding drum with the turning directions of rope races in the two sides being consistent. The mounting foundation is fixedly provided with gate opening turning pulley blocks and gate closing turning pulley blocks. A gate opening rope and a gate closing rope are arranged in the rope races in the two sides of the winding drums correspondingly. One end of the gate opening rope and one end of the gate closing rope are fixed to the two ends of the winding drum correspondingly, and the other end of the gate opening rope and the other end of the gate closing rope are in deflected connection with a gate needing to be controlled to operate through the gate opening turning pulley blocks and the gate closing turning pulley blocks correspondingly. The open-close system is safe and reasonable in overall structure design, the structure size and mounting space of a gate hoist are greatly reduced, and the open-close system has high economy and practicality.

The invention provides a swinging voice coil motor and a gravity compensating method corresponding thereto. Through a gravity torque compensating magnet in a coil, under the condition that the own motion precision of the swinging voice coil motor is not affected, the swinging voice coil motor itself has a passive gravity torque compensating function; meanwhile, an additional size space for another mechanical component for compensating the gravity torque can be effectively reduced, the gravity torque is effectively and precisely compensated, and the purposes of reducing the power consumption of the swinging voice coil motor when being used as a vertical angle actuator and improving the control precision are achieved; meanwhile, a shell is arranged outside a magnetic pole steel and the coil and an end cover is arranged at an opening of the shell, so that dust can be prevented from entering the shell and thus the reliability of the voice coil motor in the working process is improved.

The invention relates to the technical field of power battery manufacturing, and discloses a lamination process. The lamination process comprises the following steps: S1, heating and pressing a first unit strip; s2, cutting the first unit strip material to form a first unit sheet; s3, heating and pressing the second unit strip; s4, cutting the second unit strip material to form a second unit sheet; s5, sequentially stacking one second unit sheet and at least one first unit sheet from bottom to top to form a battery cell; and S7, laminating the battery cell. According to the invention, the heating effect is ensured, the temperature difference between the center and the outer side of the battery cell is reduced, a preheating process is not required to be set before the battery cell is laminated, the process steps are reduced, the production efficiency of the battery cell is improved, the energy consumption is reduced, and the cost is reduced.

The invention discloses a tackle circulating transporting device and a conveying method thereof. The device comprises a tackle workpiece locking external force device, a tackle workpiece loosening external force device, a tackle transferring-to-clamp switching device, a tackle control mechanism, a tackle movement mechanism, rails and multiple tackles arranged on the rails. The rails comprise the movable rail and the fixed rail. The fixed rail comprises parallel conveying rail bodies and return rail bodies. A movable rail switching device is arranged between the movable rail and the fixed rail. The tackles are distributed on various stations of a production line, the space of a plant is not independently occupied, no lifting mechanism is arranged, the scale space in the height direction is reduced, and the ergonomic problem of an existing reciprocating conveying mechanism is solved. The tackle circulating transporting device can directly work on the tackles without affecting the production takt, the number of the tackles needed for circulating conveying is small, conveyance and return of the tackles can be achieved through the same tackle movement mechanism, and therefore tackle circulation is achieved, and the utilization efficiency of the conveying device is improved.

The invention discloses a hydraulic structure for controlling and clamping a drill bit of a drilling machine. The hydraulic structure comprises a cylinder, a cylinder bottom, a piston and a piston rod, wherein the cylinder is connected with the cylinder bottom in a welding mode to form a rodless cavity. Compared with a pull rod type hydraulic cylinder, the hydraulic structure not only has the advantages of being small in space necessary for screws and screw nuts, simple in structure, small in size, light in weight and the like, but also is capable of solving the problem of cylinder bottom leakage caused by aging of sealing parts at the cylinder bottom or other reasons; as an overlapped hydraulic control one-way valve is arranged on the outer wall of the cylinder bottom, pressure can be maintained when the drill bit is clamped by using the hydraulic cylinder; the piston is provided with a pressure control valve, so that the piston rod can be controlled to move, and furthermore the clamping force of the hydraulic cylinder for clamping a cutter can be controlled; the hydraulic cylinder works frequently, generally works in outdoor working environments, and repairing and maintenance conditions are poor, so that the stability of a moveable hydraulic cylinder needs to be improved; as a guide sleeve is made of high-strength cast iron, quality accidents can be avoided.

The invention discloses a rock core distinguishing module and a downhole instrument suitable for slim holes. The rock core distinguishing module comprises guide plates, a spacer base body and a rock core channel are arranged in parallel, a first slide way communicating the rock core channel with a spacer bin is arranged on the spacer base body, a sliding block is arranged to slide in the first slide way so as to push a spacer in the spacer bin into the rock core channel, a power mechanism is connected with the sliding block through two guide plates, the two guide plates are arranged on the two sides of the sliding block respectively, and the guide plates are arranged to slide on the spacer base body in the length direction of the spacer base body. The downhole instrument comprises a rock core barrel, a hydraulic power system and the rock core distinguishing module, the rock core distinguishing module is connected with the rock core barrel, and the hydraulic power system is connected with a hydraulic thrust cylinder. The invention relates to the field of oil exploration and development, and provides the rock core distinguishing module and the downhole instrument suitable for the slim holes, the rock core distinguishing module is arranged in the length direction of the instrument, the radial size and the occupied space can be reduced, the movement direction is changed by utilizing the guide plates, and spacer insertion is achieved.