36results about How to "Novel and reliable structure" patented technology

The invention discloses a plane vibration double-helix piezoelectric transducer based on a MEMS, and relates to a transducer, in particular to a plane vibration double-helix piezoelectric transducer based on micro-electromechanical system (MEMS) technology, which is mainly applied to low-frequency vibration energy collection in an environment, and also can be applied to an inertial sensor, an accelerometer, a gyroscope, an actuator and the like. The plane vibration double-helix piezoelectric transducer based on the MEMS is provided with a shell, a PZT piezoelectric film, two groups of large mass blocks, two pairs of electrodes and a pair of terminals. The transducer vibrates in a plane to collect mechanical energy generated by vibrating in the plane; a double-helix piezoelectric beam type structure and a piezoelectric device in a d31 working mode can generate large electromechanical coupling characteristics; a novel and reliable electrode structure can be synchronously used for polarization and conduction, and electrodes are in series output; and the transducer manufactured by adopting the MEMS technology and being compatible with silicon processing technology is easy to integrate with a sensor based on the MEMS technology.

The invention belongs to the technical field of granular active carbon production in a gas-solid fluidization mode, and relates to a device for preparing the granular active carbon using plant straw and other solid waste of farm products as raw materials by a sound field and jet flow coupled and strengthened gas-solid contact type fluidized bed. The structure of a main body of the device comprises a nitrogen gas inlet, a double-vertical jet pipe type carbon dioxide inlet, a sound wave generator, a sound wave adjuster, a speaker, a gas distribution plate of a circulating fluidized bed, a biomass spiral feed port, a main body of the circulating fluidized bed, a cyclone separator, a quartz sand circulating discharge pipe, an active carbon collecting pipe, a heat exchanger, a gas-liquid separator, a quartz sand and active carbon separator, a baffle plate of the gas distribution plate, an oblique-type gas distribution plate, a gas inlet control valve, and a gas outlet control valve; the parts are combined in principle to form an active carbon preparation device for bubble pyrolysis and circulating activation of the sound field and jet flow coupled fluidized bed; and an outfield strengthened jet flow fluidized bed reactor has a novel and reliable structure, and flexible operation, and can continuously perform production to save energy.

The invention discloses a container. The container comprises a base and two pairs of side plates extending upwards from the base, and at least one of the two pairs of side plates is provided with an opening; the container further comprises a sliding door, and the sliding door can slide between a closing position covering the opening and an opening position exposing the opening relative to the at least one side plate. Radial space is not increased in the whole process from closing to opening of the sliding door of the container, the sliding door does not protrude out of the side plate after being opened, and the length and the width are not additionally increased.

The invention discloses a plane vibration double-helix piezoelectric transducer based on a MEMS, and relates to a transducer, in particular to a plane vibration double-helix piezoelectric transducer based on micro-electromechanical system (MEMS) technology, which is mainly applied to low-frequency vibration energy collection in an environment, and also can be applied to an inertial sensor, an accelerometer, a gyroscope, an actuator and the like. The plane vibration double-helix piezoelectric transducer based on the MEMS is provided with a shell, a PZT piezoelectric film, two groups of large mass blocks, two pairs of electrodes and a pair of terminals. The transducer vibrates in a plane to collect mechanical energy generated by vibrating in the plane; a double-helix piezoelectric beam typestructure and a piezoelectric device in a d31 working mode can generate large electromechanical coupling characteristics; a novel and reliable electrode structure can be synchronously used for polarization and conduction, and electrodes are in series output; and the transducer manufactured by adopting the MEMS technology and being compatible with silicon processing technology is easy to integratewith a sensor based on the MEMS technology.

The invention discloses a container. The container comprises a box body and a cover, wherein the box body comprises a base and a side plate, a first hanging structure is arranged on the cover, a second hanging structure matching with the first hanging structure is arranged on the side plate, the first hanging structure and the second hanging structure can be disengaged and engaged to achieve hanging and removing of the cover, the cover can slide on the box body so that the first hanging structure and the second hanging structure can be close to each other or away from each other, and the firsthanging structure can slide for a certain distance along the cover so that the position of the gravity center of the cover can be changed relative to the first hanging structure. According to the container, the multi-directional hanging function of the cover and the container can be achieved, the structure is novel and reliable, operation is easy and convenient, and firmness and durability are achieved.

The invention discloses a container. The container comprises a base and side plates, the base or one side plate is provided with a discharge port, the discharge port is provided with a cover door, andthe cover door is connected to the base or the side plate through connection devices. Each connection device comprises a transmission part and an elastic part. The transmission parts can be driven tomove outwards in the opening or closing process of the cover door, and then the elastic parts are compressed; and when the cover door is completely opened or closed, the elastic parts spring back anddrive the transmission parts to move inwards, and the cover door automatically keeps an opened or closed state. The container is novel and reliable in overall structure and easy to operate, it is unnecessary to confirm whether the cover door is attracted in place or not in the opening or closing process of the cover door, and manual misoperation can be effectively avoided.

Disclosed is a rotary knob structure (10). The rotary knob structure (10) comprises a rotary knob cap (11), a hoop (12) and a spindle (13). The rotary knob cap (11) is provided with a containing groove (111). A limiting groove (112) is provided at the bottom of the containing groove (111). A side wall of the limiting groove (112) is provided with a notch (113). The hoop (12) is sheathed on an outer side of the limiting groove (112). The hoop (12) comprises an annular body (121) and an elastic arm (122). The elastic arm (122) is provided facing the interior of the body (121). The elastic arm (122) is housed in the notch (113). The elastic arm (122) is a magnetically conductive body. An end of the spindle (13) is housed in the limiting groove (112). A side wall of the spindle (13) is provided with a clamping groove (132). At least one free end of the elastic arm (122) passes through the notch (113) and enters the clamping groove (132). The elastic arm (122) undergoes elastic deformation under the action of a magnetic field, so that the elastic arm (122) passes in and out of the clamping groove (132), thereby enabling the hoop (12) to be connected to the spindle (13) in a detachable manner.The spindle (13) is connected to the rotary knob cap (11) via the elastic arm (122), so that the elastic arm (122) clamps the spindle (13) tightly and the spindle (13) cannot move outwards, whereby the rotary knob cap (11) and the spindle (13) are connected stably. The rotary knob structure (10) effectively improves the insertion and extraction effects of the spindle (13), prolonging the service life of the rotary knob structure (10).

The invention discloses a medium and long-distance sand conveying equipment of a water flow carrier, which comprises a conveying device, a separation device, a water storage tank, a pipeline and a return pipe. The destination, the pipeline connection is set between the conveying device and the separation device, the return pipe is connected between the water storage tank and the conveying device, the conveying device is used to mix sand and water at the beginning and the sand-water mixture Under the action of water pressure, it is transported along the pipeline to the separation device. The separation device is used for centrifugal dehydration and separation of the sand-water mixture, and discharges and unloads the sand to the destination, and discharges and unloads the water into the water storage tank. The water will flow back from the destination to the starting point along the return pipe and be supplied to the conveying device for recycling. The advantage is that the sand and water mixture can be transported for medium and long distances by using the pipeline, which improves the sand conveying efficiency and low energy consumption. It can be suitable for various complex terrains.

The invention discloses a glass locker and an installation method thereof. The glass locker includes an installation base plate, a top plate and a glass plate, installation columns are symmetrically distributed on the installation base plate, the glass plates are arranged between the installation columns, and the installation columns are provided with The bead, the bead presses the glass plate, and the other two sides of the installation base plate are provided with a door panel assembly, the door panel assembly is connected to the installation base plate, the installation column, the top plate, and the bead, and the top plate presses the bead and the door panel assembly; the installation method includes the following steps: (a) Install the glass plate; (b) install the cabinet door; (c) seal the top; (d) install the protective plate. The locker in the present invention has a novel and reliable structure, is not easy to fall apart, can be used as it is installed, is convenient to be transported to the site and arranged flexibly, can be replaced if damaged, reduces the number of bolts used, and reduces the operating intensity. The installation method is simple to operate, from inside to outside. In addition, from bottom to top, it is step by step and orderly, easy to adjust, convenient to locate, and easy to install, which effectively guarantees the installation quality.

The invention provides a heating type building steel tube concrete removing machine. The heating type building steel tube concrete removing machine is composed of a controller, a heating furnace, a ceramic electric heater, a mobile platform, rails, steel tube supporting racks, a mobile motor, driving wheels, a heat isolating plate, a worktable, a supporting plate, buffer springs, vibrating motors, screwing bolts, a base and a bracket. The heating type building steel tube concrete removing machine is characterized in that two rows of buffer springs are mounted at two ends of the base; the buffer springs can support the worktable; the vibrating motor is fixed on the surface of the supporting plate through the screwing bolts; the heating furnace is fixed by means of the bracket and the rails are embedded onto the inner bottom surface of the heating furnace; a steel tube is heated by the ceramic electric heater; the driving motor drives the driving wheels to rotate so as to drive the mobile platform to reciprocate in the horizontal direction along the rails; the heat isolating plate and the steel tube supporting racks are mounted on the mobile platform; the steel tube supporting racks are of U-shaped structures; and the controller is fixed on the side face of the heating furnace. By adoption of an automatic and mechanical optimization design related technology, the device is novel and reliable in structure and practical and complete in function.

The invention discloses a motor train unit profile cavity welding deformation control device and a control method. The motor train unit profile cavity welding deformation control device comprises two sets of cavity control mechanisms, one end of each cavity control mechanism is configured as an operation end, and the other end of each cavity control mechanism is configured as a cavity supporting end; the operation ends of the two sets of cavity control mechanisms make contact with each other, and the cavity supporting ends are embedded into a cavity of a profile; and the cavity supporting ends keep the relative position with the inner wall of the cavity of the profile through a transmission structure. According to the control device, the expansion degree of an expansion block is controlled through a rotary cone so as to change the degree of supporting to the cavity of the profile, it is guaranteed that no large deformation occurs in the welding process through supporting of the expansion block, and therefore the appearance quality of the profile after welding is guaranteed; the device is convenient to operate and novel and reliable in structure, compared with a traditional means, more time and labor are saved during machine or flame adjusting and repairing, the adjusting and repairing frequency is reduced due to one-time welding forming, and the size, quality and structural strength of a welding seam can be effectively improved.

The invention provides a fast installing device for a top drive guide rail. The guide rail comprises an outer guide rail body and an inner guide rail body; the outer guide rail body is a hollow body and provided with a ratchet wheel limiting and guiding device; the inner guide rail body is provided with an ejecting block device making the ratchet wheel limiting and guiding device move; when the inner guide rail body is inserted in the outer guide rail body, the ejecting block device and the ratchet wheel limiting and guiding device are in contact so that connection pin holes of the outer guide rail body and the inner guide rail body can be centered; and a third pin shaft is inserted in the pin holes and locked so that installation of the top drive guide rail can be completed. The fast installing device for the top drive guide rail solves the problems that an adjusting plate, connected with a crown block, on an existing guide rail and a first segment of the guide rail are low installing efficiency, the aerial work time is long, and the labor intensity is high.

The invention discloses a ticket picking-up and change giving opening structure of a ticket vending machine. The ticket picking-up and change giving opening structure comprises a ticket picking up and change giving opening machine body, a motor and a collecting plate, the collecting plate is mounted inside a cavity of the ticket picking up and change giving opening machine body, a guide extension mechanism is mounted on the collecting plate and connected with the motor, and the motor drives the guide extension mechanism to enable the collecting plate to extend and retract in a reciprocating manner. The ticket picking up and change giving opening structure is novel and reliable, tickets sold by and coins given by the ticket vending machine can fall to the bottom of the ticket picking-up opening together at the same time, passengers can take out all the tickets and coins simultaneously from the bottom of the ticket picking-up opening at the moment without waiting and without missing items, reliability in operations of the users is improved effectively, and mistakes are reduced greatly.

The invention provides a furnace bottom window structure of an aluminum melting furnace with a bottom agitating device. Four upright stiffened plates are sequentially connected end to end to form a square frame support which is welded with a rectangular stainless steel plate, the rectangular stainless steel plate is horizontally welded with a horizontal stiffened plate and longitudinally welded with a longitudinal stiffened plate, and the horizontal stiffened plate and the longitudinal stiffened plate are in mesh arrangement, thus forming an integrated furnace bottom window structure. The furnace bottom window structure has advantages of being capable of improving serviceability of the agitating device, avoiding sagging and deformation of the steel plate of the window after long-time use and reducing risk of equipment in use, novel and reliable structure, no maintenance, being capable of slowing down demagnetization of the agitating device, improving agitating effect of the agitating device and being widely applicable to the aluminum melting furnaces with the bottom agitating devices.

The invention relates to a microwave multistage fluidized bed drying device and a drying method of the microwave multistage fluidized bed drying device. A fluidized bed dryer comprises a fluidized bed body and gas distribution plates, a microwave generator is arranged on the outer wall of the fluidized bed body, three layers of the gas distribution plates with adjustable angles are arranged in the fluidized bed body from top to bottom, the microwave generator is started, microwaves are used as a heat source, the inclination angle and the microwave power of the gas distribution plates are adjusted according to the surface temperature of detection materials, the aperture ratio of the gas distribution plates ranges from three percent to five percent, the adjustment air speed ranges from 1 m / s to 2 m / s, the raw material standing time is controlled to be within one min to five min, the water content in raw materials is smaller than 15 percent, and the dried materials enter a product drying tank from a discharge port. The microwave multistage fluidized bed drying device and the drying method of the microwave multistage fluidized bed drying device have the advantages that the standing time of the materials in a fluidized bed drying reactor is controlled by adjusting the inclination angles of the multistage distribution plates, and the materials with different water contents can be dried; maximum utilization of microwave energy is achieved by changing the microwave drying power at feed ports of the multistage distribution plates.

A lasso-driven hip joint series elastic power-assisted exoskeleton robot, including a waist connection mechanism and a leg connection mechanism, leg connection mechanisms are arranged on both sides of the waist connection mechanism, and elastic modules connected in series at motors are respectively arranged on both sides of the waist connection mechanism. The top of the leg connection mechanism is provided with a series elastic module at the hip joint, the series elastic module at the hip joint and the series elastic module at the motor are connected and driven by a lasso transmission mechanism, the series elastic module at the hip joint, the series elastic module at the motor and the sleeve The cable drive mechanism provides control and power through the drive and sensing system. The invention can provide walking assistance for people with weak walking ability, such as the elderly or people who are recovering from illness, and can also provide walking assistance for people who need to walk for a long time and long distances in daily life. Combining human-computer interaction and intention perception technology, further Realize human body motion assistance and improve human body motion ability.

The invention belongs to the technical field of granular active carbon production in a gas-solid fluidization mode, and relates to a device for preparing the granular active carbon using plant straw and other solid waste of farm products as raw materials by a sound field and jet flow coupled and strengthened gas-solid contact type fluidized bed. The structure of a main body of the device comprises a nitrogen gas inlet, a double-vertical jet pipe type carbon dioxide inlet, a sound wave generator, a sound wave adjuster, a speaker, a gas distribution plate of a circulating fluidized bed, a biomass spiral feed port, a main body of the circulating fluidized bed, a cyclone separator, a quartz sand circulating discharge pipe, an active carbon collecting pipe, a heat exchanger, a gas-liquid separator, a quartz sand and active carbon separator, a baffle plate of the gas distribution plate, an oblique-type gas distribution plate, a gas inlet control valve, and a gas outlet control valve; the parts are combined in principle to form an active carbon preparation device for bubble pyrolysis and circulating activation of the sound field and jet flow coupled fluidized bed; and an outfield strengthened jet flow fluidized bed reactor has a novel and reliable structure, and flexible operation, and can continuously perform production to save energy.