12results about How to "Reduced size space" patented technology

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 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.

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.

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 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 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.