25results about How to "Reduced size space" patented technology

The invention belongs to the technical field of welding, and discloses an L-shaped laser-MIG hybrid welding device for a narrow space, and the L-shaped laser-MIG hybrid welding device for the narrow space comprises a welding gun assembly, a laser welding head assembly and a space adjusting assembly. The laser and the electric arc are combined, a laser and electric arc composite heat source is obtained, and the advantages of laser and electric arc composite welding are fully exerted; laser-MIG hybrid welding has the advantages of being high in welding speed, low in heat input, large in equipment clearance tolerance degree and high in welding quality. A welding gun wire feeding route is optimized, the precision of a wire guide assembly is improved, the straightness of a welding wire is guaranteed by combining a three-wheel straightener, and the purpose of stable wire feeding is achieved. The overall connecting piece structure is simplified, the reflecting copper mirror integrating reflection, collimation and focusing is designed, the overall size space is saved, the overall load is reduced, and more functions can be added compared with equipment of the same type under the condition that the load is limited.

The invention discloses a stator and oil injection assembly integrated oil cooling motor, a stator assembly is fixed in a casing, the stator assembly, a rotor assembly and the casing form a cooling cavity, the rotor assembly passes through the inner side of the stator assembly and is rotatably connected with the casing, and a rotating shaft oil duct communicated with the cooling cavity is arranged in the rotor assembly; the inner side of the end part of the stator assembly is provided with an oil injection assembly with an inclined flow guide hole, and the end part of the stator assembly is provided with a corresponding through hole, so that the internal oil duct of the outer circle of the stator core, the oil injection assembly and the cooling cavity are communicated; an oil inlet and an oil outlet are formed in the machine shell, cooling oil input from the oil inlet firstly flows through an internal oil channel to cool a stator iron core and then is guided and sprayed to an end winding through an inclined flow guide hole of an oil spraying assembly integrally installed on the stator assembly and a through hole in the end of the stator assembly, and cooling oil input from the rotor assembly firstly cools the interior of the rotor assembly and then cools the interior of the rotor assembly. And then the cooling oil is sprayed to the inner ring surface of the winding and is discharged through the oil outlet. The cooling device has the advantages of being compact in structure and remarkable in cooling effect.

The invention discloses a wheel foot leg with a double-buffering structure and a wheel foot robot, and relates to the technical field of robots. The invention aims to solve the problem of insufficient buffering performance caused by small size of an elastic element and limited buffering stroke of the existing wheel-foot type robot. The buffering type wheel foot leg comprises a knee joint motor, a knee joint crank, a knee joint connecting rod, a thigh, a shank, a hub motor, a knee joint buffering mechanism and a leg buffering mechanism, a knee joint motor output shaft of the knee joint motor is fixedly connected with one end of the knee joint crank, and the other end of the knee joint crank is rotationally connected with the upper end of the shank through the knee joint connecting rod; the upper end of the thigh is fixedly connected with the knee joint motor through the thigh flange, the lower end of the thigh is rotationally connected with the upper side of the shank, the lower end of the shank is connected with the hub motor, the knee joint buffering mechanism is arranged between the thigh and the knee joint crank to achieve buffering of the knee joint, and the leg buffering mechanism is arranged between the thigh and the shank to achieve buffering of the leg. The invention is used for the foot-type robot.

The invention belongs to but not limited to the technical field of welding, and particularly relates to a laser-MIG composite welding device and method for a soft gun barrel. Comprising a sectional material, an optical fiber, an interface base, a QP interface, an optical fiber connector transition piece, a main body connecting block, a mounting connecting piece, a copper mirror base, a reflecting copper mirror, an adjustable bolt, a double-layer blocking mirror, a double-layer air knife, a welding wire, a welding gun head, an adjusting connecting block, an angle adjusting piece, an X-axis adjusting sliding block, a Y-axis adjusting sliding block, a steering connecting piece, a Z-axis adjusting sliding block, a soft gun barrel, a wire feeding device and a water and gas path connector. Provided is a welding gun connecting piece. According to the high-power laser-MIG hybrid welding equipment, pipelines are concentrated in the laser head and the welding gun, the problem that interference is prone to occurring in the welding process due to the fact that the pipelines are complex is solved, meanwhile, high-temperature-resistant and high-power optical elements are designed, and the design of the high-power laser-MIG hybrid welding equipment is achieved. The equipment can realize efficient and high-quality welding in a narrow space.

This utility model discloses a structure for a secondary lining in a mined tunnel that also serves as a shield tunneling starting reaction device. It includes a first primary support, a first secondary lining inside the first primary support, a second secondary lining on the sides of the first primary support and the first secondary lining, mortar anchor bolts on the outer side of the second secondary lining, a second primary support outside the second secondary lining, a shield machine front face on the right side of the first primary support, fiberglass anchor bolts inside the shield machine front face, and a concrete island platform at the bottom of the inner wall of the first secondary lining. The unit price of concrete is much lower than that of steel, and by utilizing the stress characteristics of concrete, costs are saved. Using a reinforced concrete structure reduces the structural dimensions and working space of the steel support, avoiding large-scale excavation. Furthermore, the reinforced concrete ring beam can later serve as a permanent secondary lining structure, reducing subsequent demolition, cutting, and other procedures and labor costs, further saving costs.

The invention relates to a laminated structure micromirror chip, which is characterized in that a mirror surface support (10) is carried by a combined structure in which an outer annular structure (2) and an inner annular structure (9) are sleeved with each other, and aiming at the edge of the mirror surface structure, the longitudinal direction between the lower surface of the mirror surface support (10) and the upper surface of a substrate (1); an out-of-mirror upper comb tooth structure (3), an out-of-mirror lower comb tooth structure (4), an in-mirror upper comb tooth structure (11) and an in-mirror lower comb tooth structure (12) with upper and lower comb teeth staggered in parallel are designed, multi-angle rotation of a mirror surface support (10) is driven by acting force between the upper and lower comb teeth after the upper and lower comb teeth are electrified, a single micro-mirror occupies a smaller size space, and the size of the micro-mirror is reduced. The gap between the mirror surfaces is effectively reduced, the mirror surface rotation angle is reduced, a large-scale micro-mirror array system is realized, and the requirements of an optical communication system are met; and a corresponding micro-mirror chip manufacturing method is designed, so that the manufacturing process is simplified, the processing cost and the processing difficulty are reduced, and the rate of finished products is improved.

The application provides a shutter winding device, which comprises a base, a winding drum, a ladder belt sleeve and a torsion spring. The winding drum is rotatably arranged on the base for winding a pull rope to drive the lifting of blades. The ladder belt sleeve is swingably sleeved on the outer side of the winding drum for driving the lifting of a ladder belt to realize the rotation of movable blades. One end of the winding drum is rotatably arranged on the base through a rotating shaft. The shaft sleeve wall on one side of the ladder belt sleeve is sleeved on the rotating shaft. The torsion spring is tightly or loosely arranged on the rotating shaft for light adjustment brake and is located between the winding drum and the inner wall of the shaft sleeve wall. The torsion spring is arranged between the winding drum and the shaft sleeve wall, the internal space is effectively utilized, the overall length of the device is shortened, the internal space of the device is reasonably arranged, the structure is compact, the size and occupied space of the overall structure of the device are reduced, and the product assembly and application are facilitated.

The utility model discloses a connector assembly and a large-current BTB connector thereof, and relates to the technical field of connectors, and the large-current BTB connector comprises a printed circuit board; the connector shell is provided with at least one containing cavity, the first end of the connector shell is detachably connected with the printed circuit board, and the second end of the connector shell is provided with a first inserting groove used for being inserted into an opponent piece; the first ends of the terminals are vertically connected with the printed circuit board in an inserted mode, the second ends of the terminals are provided with second insertion grooves used for being inserted into opponent pieces, the second insertion grooves and the first insertion grooves are distributed in an aligned mode, and the at least two terminals are stacked in the same containing cavity. According to the device, the low-size space of the board-to-board connector is ensured, and meanwhile, the requirement for stable large-current transmission is met.

The invention belongs to the technical field of aero-engine experimental equipment, and discloses a universal combustion chamber high-altitude test bed without an environment simulation cabin, which comprises an air inlet component and an air outlet component. The device is suitable for test loading and unloading work of single-head, multi-head and full-ring combustion chamber switching sections with various lengths, is suitable for an aero-engine combustion chamber high-altitude ignition and flameout test bench, and is especially suitable for a single-head and multi-head combustion chamber high-altitude ignition test bench. The cold insulation requirement of the switching section under the low-temperature working conditions of-54 DEG C and the like is met through the detachable heat insulation structure, so that the same environment simulation effect as that of a high-altitude tester with an environment simulation cabin is achieved. The problems that an environment simulation cabin is high in construction cost, large in structural size, complex in test piece loading and unloading work, high in operation and maintenance cost and the like are solved; and meanwhile, the defects that the temperature drop of the switching section is large, the switching section is not suitable for switching sections with various lengths, inlet and outlet flanges connected with the switching section are not universal and the like when the combustion chamber test piece is subjected to a high-altitude ignition test without an environment simulation cabin are overcome.

The present invention provides a low-dust peanut picking combine harvester, which includes a walking chassis, on which a picking platform, a conveying trough, a tangential-flow combined fruit picking device, a positive-negative wind pressure group wind screening device, and a lifting device are sequentially arranged from front to back; a fruit collecting box is arranged above the positive-negative wind pressure group wind screening device; the picking platform picks up peanut seedlings and transports them to the tangential-flow combined fruit picking device through the conveying trough; the equipment can complete the peanut picking, transportation, fruit picking, cleaning, grass collection, and fruit collection operations at one time. The present invention adopts a tangential-flow combined fruit picking roller, a front-stage tangential-flow fruit picking roller, and a rear-stage axial-flow fruit picking roller, which improves the fruit picking efficiency and quality while compressing the size and space; the three-stage three-dimensional cleaning screen can ensure that the whole machine can collect both dry and fresh fruit seedlings; the low dust caused by the negative pressure cleaning and grass collecting integrated fan is much less polluting to the environment than similar products.

Embodiments of the present invention provide a transfer module and a substrate processing apparatus including the same. The transfer module includes: a housing; a first transfer section for transferring a substrate and rotatably connected to the housing in a first rotational direction; a second transfer section for transferring a storage container containing the substrate, arranged vertically spaced from the first transfer section and rotatably connected to the housing in a direction different from the first rotational direction; a drive section connected to the first transfer section via a connecting member to provide power for rotating the first transfer section; and a transmission unit connecting the first transfer section and the second transfer section and transmitting the power to the second transfer section.

The application provides a double-output driving device applied to an electric curtain, comprising a shell, a first gearbox, a driving motor, a control module and a second gearbox arranged in the shell in sequence, wherein the control module comprises a power board and a control board, one side output end of the driving motor is in transmission connection with the first gearbox, the other output end is in transmission connection with the second gearbox through a transmission shaft, and the transmission is arranged between the power board and the control board, the first gearbox, the driving motor, the control module and the second gearbox are integrated in the shell, the internal space of the device is reasonably arranged, the structure is compact, the size of the overall structure of the device and the occupied space are reduced, and product assembly and application are facilitated.

The application provides a blind curtain winding device with a wire slot, comprising a base, a winding drum and a ladder belt cover, the winding drum is used to drive the blades to lift, and the ladder belt cover is used to drive the ladder belt to lift to realize the rotation of the blades, a wire slot is arranged on the bottom of the base and penetrates through the base, and the wire slot is used for the power line or control line of the motor to pass through, so that the unreasonable wiring of the installation position of the power line or control line of the motor of the traditional blind curtain is solved, the internal space is effectively utilized, the internal space of the device is reasonably arranged, the structure is compact, the size of the overall structure of the device and the occupied space are reduced, and the product assembly and application are facilitated.

The utility model provides a receiver comprising a support assembly, the support assembly comprises a housing, an annular pole plate arranged in the housing and a PAD pin arranged at one side of the housing, and the PAD pin comprises a straight part and a vertical part fixed at one end of the straight part; the magnetic circuit assembly comprises annular magnetic steel, a middle pole plate arranged in the annular magnetic steel, middle magnetic steel arranged on the middle pole plate, a back pole plate arranged above the annular magnetic steel and a damping net arranged on the back pole plate; a voice coil and a vibrating diaphragm are sequentially arranged below the shell, one end of the voice coil extends into the position between the middle magnetic steel and the annular magnetic steel, an avoiding groove is formed in one side of the annular magnetic steel, the straight portion is arranged on the annular magnetic steel, and the vertical portion is arranged in the avoiding groove and extends in the vertical direction. The sensitivity of the receiver is improved, and the purposes of optimal performance and low cost are achieved.

A novel threaded connection structure based on a mortise and tenon joint structure comprises a mortise and tenon joint connecting piece (1), an incomplete taper threaded hole (2), a locking taper screw (3), a locking taper screw external thread (4), a connected piece (5) and a connected piece groove position (6), the incomplete taper threaded hole (2) is formed in the middle of the mortise and tenon joint connecting piece (1), and the locking taper screw external thread (4) is arranged on the locking taper screw (3). The locking taper screw (3) is inserted into the incomplete taper threaded hole (2) for threaded connection, the connected piece (5) is provided with a connected piece groove position (6), and the connected piece groove position (6) is a dovetail groove. According to the invention, the working requirement under a high-pressure environment can be met, the stability and the safety of a joint are ensured, the installation process is simplified, the number and the size of bolts are reduced, and the cost is reduced. Therefore, the installation complexity is reduced, and the installation efficiency can be improved.

The utility model provides an integrated data acquisition and control module. The integrated data acquisition and control module comprises a circuit board and a shell for accommodating the circuit board, the circuit board is divided into a central area and a peripheral area surrounding the central area, the core control unit is arranged in the central area, and the power supply unit, the communication unit and the signal input and output unit are arranged in the peripheral area; the circuit board is a multi-layer circuit board and comprises a digital signal processing layer, an analog signal processing layer, a power supply layer and a grounding layer, wherein the power supply layer and the grounding layer are arranged between the digital signal processing layer and the analog signal processing layer. According to the utility model, through combination of a specific plane layout and a three-dimensional layered structure, digital signals and analog signals are physically isolated and electrically shielded, signal crosstalk under a high-density layout is fundamentally inhibited, the anti-interference performance and the operation stability of the module are improved, and the module is suitable for severe industrial environments such as rail transit and the like.

The utility model discloses a coaxial electric drive axle of big reduction ratio and vehicle, including motor, reduction mechanism and differential, reduction mechanism at least includes sun gear, planetary gear assembly, support ring gear and output ring gear, and differential includes rotator and two drive shafts, and planetary gear assembly includes planet carrier and with coaxial connection's first planetary gear and second planetary gear, and the rotor axle of motor is connected sun gear, and sun gear connects first planetary gear and / or second planetary gear, and first planetary gear and support ring gear are engaged, and second planetary gear and output ring gear are engaged, and output ring gear connects rotator, and one drive shaft of differential is arranged in the axle of rotor axle and sun gear's axle center, to guarantee the torque of motor output deceleration, increase the twist after transmission to rotator through reduction mechanism, and then guarantee the torque distribution to two drive shafts, and such can realize big reduction ratio, and the whole radial dimension is small, and cost is low and occupies small space.

The invention belongs to the field of fuel cell heat supply systems, and particularly relates to a household fuel cell heat and power cogeneration system, which comprises a fuel cell stack, an electrical control module, and an air supply module, a hydrogen supply module, a stack temperature control module and a heat recovery and storage module which are connected with the electrical control module, the air supply module and the hydrogen supply module are used for receiving the control instruction and providing a heat production reactant for the fuel cell stack; the electric pile temperature control module is used for circularly cooling the fuel cell electric pile to enable the temperature of the fuel cell electric pile to reach a preset range, and receiving a control instruction of the electrical control module and heating a condensing agent to circularly heat the fuel cell electric pile to realize quick start when the fuel cell electric pile is in cold start; the heat recovery and storage module is connected with the electric pile temperature control module and used for absorbing heat in the electric pile temperature control module and storing the heat in the household electric water heater; the efficiency and the starting speed of the household fuel cell cogeneration system are remarkably improved, and the cost, the size and the installation space of the system are greatly reduced.

The electric fan convenient to disassemble and assemble comprises a fan head, a base and a supporting piece, a fixing rod is arranged at the bottom of the fan head, and a first inserting part is arranged at the bottom of the fixing rod; a second inserting part is arranged at the top of the base; a third inserting part is arranged at one end of the supporting piece, a fourth inserting part is arranged at the other end of the supporting piece, one end of the supporting piece is inserted into the first inserting part through the third inserting part, and the other end of the supporting piece is inserted into the second inserting part through the fourth inserting part, so that the supporting piece is detachably mounted between the fan head and the base; when the first inserting part and the second inserting part are connected in an inserting mode, detachable installation of the fan head and the base is achieved. Therefore, the disassembly and assembly flexibility of the electric fan is enhanced. According to the electric fan, the fan head, the supporting piece and the base can be conveniently disassembled, assembled and stacked by a user, the packaging size and the transportation space of the electric fan are effectively reduced, the transportation cost is reduced, and meanwhile the convenience and the overall satisfaction degree of the user in the using process are improved.

The present invention discloses a gate ring assembly for a plastic circular loom, which belongs to the field of plastic weaving machinery and solves the problem that the bearings of the gate ring assembly in the prior art are easily damaged and difficult to replace. The technical solution to this problem is mainly that the upper end of the rotating shaft is connected to the upper gate ring through an upper bearing, and the lower end of the rotating shaft is connected to the lower gate ring through a lower bearing. The upper gate ring is provided with an upper through hole for convenient installation of the rotating shaft, and the outer ring of the upper bearing is fixedly matched with the upper through hole. The lower gate ring is provided with a lower through hole for convenient installation of the rotating shaft, and the outer ring of the lower bearing is fixedly matched with the lower through hole. The present invention is mainly used to increase the width of the wire feeding channel and improve the service life of the bearing. In addition, the present invention also provides a plastic circular loom, which adopts the above-mentioned gate ring assembly for a plastic circular loom to reduce the use cost of the machine and ensure production efficiency.

The present invention relates to the technical field of audio devices, and in particular to a loudspeaker with enhanced low-frequency response, comprising a bracket, drum paper, voice coil, magnetic mechanism and terminal, the drum paper, voice coil, magnetic mechanism and terminal are all mounted on the bracket, the number of voice coil, magnetic mechanism and terminal are two, two voice coils are respectively mounted on the two end surfaces of the drum paper, two magnetic mechanisms are respectively mounted on the two voice coils, two terminals are both mounted on the bracket, and the two terminals are respectively electrically connected to the two magnetic mechanisms. The present invention arranges voice coils and magnetic mechanisms at both ends of a drum paper, two voice coils are directly bonded to a drum paper, the voice coils move in the same direction, and because two magnetic mechanisms are arranged, the driving force is doubled, which will have the advantage of greatly improving the sound pressure level, and the use of double voice coils increases the vibration mass in the vibration system, thereby further expanding and enhancing the low-frequency response of the loudspeaker and the sound box.

The utility model relates to the technical field of SIM (Subscriber Identity Module) card seats, and particularly discloses a Mini Nano SIM card seat, which comprises a base unit, the base unit comprises an insulating base for accommodating an external Mini Nano SIM card and a plurality of terminals arranged on the insulating base; the terminals are provided with soldering tin pins, the soldering tin pins of the multiple terminals form two soldering tin pin rows, the soldering tin pins of the terminals in the two soldering tin pin rows are arranged in a staggered mode, and the soldering tin pin rows can occupy smaller size space through the staggered arrangement of the multiple soldering tin pins, so that the size of the insulation base can be correspondingly reduced; therefore, the compact design is realized on the overall size, which is very beneficial to the scene that the Mini Nano SIM card seat needs to be used in equipment with limited space, and the practicability of the Mini Nano SIM card seat is improved.

The utility model discloses an electric power transmission system which comprises a drive motor and a drive axle, an output shaft of the drive motor is directly connected with an input shaft of the drive axle, a positioning sleeve is sleeved outside the output shaft of the drive motor and the input shaft of the drive axle, one end of the positioning sleeve is connected with the drive motor, and the other end of the positioning sleeve is connected with the drive axle. The transmission device has the advantages that the structure is simple, energy is saved, the environment is protected, parts of a power system are reduced, and the transmission efficiency and reliability of the whole vehicle are improved.

This utility model discloses a door opening and closing device and a refrigerator including the same. The door opening and closing device includes a hinge rotation module, a conveyor belt, and a door pushing module. The rotation module includes a motor, a reduction mechanism, an output component, and a switching mechanism. The door pushing module includes a push rod and a drive component. One end of the conveyor belt is drivenly connected to the drive component, and the other end of the conveyor belt is directly or indirectly drivenly connected to the motor. The motor is drivenly connected to the reduction mechanism. The switching mechanism drives the output component to move between a position drivenly connected to the reduction mechanism and a position disengaged from the reduction mechanism. The drive component is drivenly connected to the push rod. This utility model achieves lower cost, reduces the size and space occupied by the door opening and closing device, and improves adaptability to refrigerators of different sizes.

The utility model discloses a connector assembly and a large-current transverse BTB connector thereof, and relates to the technical field of connectors, and the large-current transverse BTB connector comprises a printed circuit board; the connector shell is provided with at least one cavity, the first end of the connector shell is detachably connected with the printed circuit board, and the second end of the connector shell is provided with a first slot used for being inserted into an opponent piece; the terminals and the printed circuit board are distributed in parallel, one end of each terminal is provided with a through hole, the other end of each terminal is provided with a second slot used for being inserted into an opponent piece, the second slots and the first slots are distributed in an aligned mode, and the at least two terminals are stacked in the same cavity; the first end of the communication rod is connected with the printed circuit board, the second end of the communication rod is inserted into the through hole, and the communication rod is provided with a limiting table used for limiting the position of the terminal. According to the device, the forming process difficulty of the transverse connector terminal can be simplified, the low-size space is guaranteed, and meanwhile the requirement for stable large-current transmission is met.