23results about How to "Stable mechanical structure" patented technology

The invention relates to the technical field of glass processing molds, in particular to a glass ceramic hot bending mold which comprises a rack, a conveying frame and a rotating frame, a bending mechanism is movably arranged on the peripheral face of the rotating frame, and a bending forming mold is fixedly arranged on the lower portion of the interior of the rotating frame. Glass ceramics above the conveying frame are adsorbed through the bottom of the feeding adsorption frame, meanwhile, hot air is guided into the two preheating air blowing frames through the two air guide pipes, and the hot air is used for preheating the surface of the glass ceramics in the feeding frame; and then a bending mechanism on the peripheral surface of the rotating frame is matched to adsorb and clamp the preheated microcrystalline glass, and then the microcrystalline glass is conveyed into a bending forming die to be subjected to hot bending machining treatment, so that the whole feeding, preheating and hot bending processes are automatically completed, and manual auxiliary operation is not needed. And the thermal bending processing efficiency of the microcrystalline glass is improved to a great extent.

The invention relates to a hot zone gas treatment unit of a solid oxide fuel cell. A mixer is transversely arranged in a combustion pipe, a combustion cavity is formed in the lower end of the mixer, an anode waste gas conveying pipe and a cathode waste gas conveying pipe are arranged at the upper end of the mixer, the anode waste gas conveying pipe and the cathode waste gas conveying pipe are connected into the galvanic pile, and the lower ends of the anode waste gas conveying pipe and the cathode waste gas conveying pipe are communicated with the combustion cavity. The preheating pipe and the heat exchanger are sleeved on the combustion pipe, a deionized water conveying pipe, a fuel conveying pipe and a mixed gas conveying pipe are arranged outside the preheating pipe, the mixed gas conveying pipe is communicated with the reformer, a reforming conveying pipe at the lower end of the reformer penetrates through the heat exchanger and is connected into the electric pile, and an air pipe penetrates through the heat exchanger and is connected into the electric pile. Waste gas conveyed by the anode waste gas conveying pipe and the cathode waste gas conveying pipe is combusted in the combustion cavity to generate heat, preheated fuel and deionized water are vaporized, the mixed fuel and vaporized deionized water enter the reformer, then are heated by the heat exchanger and enter the electric pile, and heat recycling is achieved.

The invention provides a pole piece of a lithium ion battery and a preparation method of the pole piece, the pole piece of the lithium ion battery comprises a current collector and an active material coated on the current collector, and by arranging the active material and an adhesive, the active material can be conveniently and rapidly fixed when being extruded and arranged on the current collector along an angle; the assembly state of the active material on the current collector is stabilized, the active material is placed in the slit die cavity to be extruded, the active material moves and deforms towards the single side direction, so that the structure becomes long and narrow, and the end part of the long and narrow active material is connected with the current collector to be rolled, so that the tortuosity of the lithium ion battery pole piece is reduced, and the service life of the lithium ion battery pole piece is prolonged. And the migration rate of lithium ions in the pole piece and the embedding rate of the lithium ions in the active material are accelerated, meanwhile, the problem that the pole piece is expanded and increased due to lithium ion embedding in the thickness direction of the pole piece is solved, and the probability of deformation of the lithium ion battery is reduced.

The invention relates to the technical field of sewage treatment, and discloses an industrial wastewater circulation treatment integrated device which comprises a treatment tank, a supporting frame is arranged on the side wall of the treatment tank, a suspension frame is arranged in the middle of the supporting frame, a suspension rod is arranged on the suspension frame, the suspension rod is slidably connected with a sliding seat, and the sliding seat is rotatably connected with a rotating shaft. A fixing plate synchronously rotating with the rotating shaft is arranged on the side, close to the center of the treatment tank, of the rotating shaft, and a plurality of scraping rods are evenly distributed on the side, close to the bottom of the treatment tank, of the fixing plate; and the scraping mechanism is arranged on the outer side of the end part of the treatment tank and is used for scraping attachments on the scraping rod. According to the industrial wastewater circulation treatment integrated device provided by the invention, bottom mud scraping, middle-layer water body propelling and water surface scum collection are synchronously completed in one reciprocating stroke through the turnover scraping rod, efficient purification in a three-dimensional space is realized, and the treatment capacity is remarkably superior to that of traditional single-function equipment.

A resonator, a resonator assembly, a filter, an electronic device, and a method for manufacturing the resonator. The resonator comprises: a substrate, comprising a first surface and a second surface opposite to each other; a first electrode, located on the first surface, where the first electrode comprises a first protruding portion protruding away from the first surface and a first flat portion attached on the first surface, and a cavity is formed between the first protruding portion and the first surface; a piezoelectric layer, located at a side of the first electrode away from the substrate, where the piezoelectric layer extends in parallel with the first surface; and a second electrode, located at a side of the piezoelectric layer away from the first electrode. Since the piezoelectric layer extends in parallel with the first surface, the variation of stress is small throughout the entire piezoelectric layer, which ensures consistency of a piezoelectric performance of the piezoelectric layer. The piezoelectric layer having small deformation renders a mechanical structure stable, and is less likely break under an external impact.

This invention discloses a binder, its preparation method, and its application. The binder comprises the following raw materials: a compound containing soft segments, a compound containing hard segments, and a chain extender. The compound containing soft segments includes polyether polyols and polyester polyols, wherein the polyether polyols are end-capped with amino or hydroxyl groups, and the polyester polyols are end-capped with amino or hydroxyl groups. The compound containing hard segments is a diisocyanate, and the chain extender is a chain extender containing phenolic groups. This binder helps solve the interface problem of the positive electrode during battery operation and is expected to improve the cycle life and stability of the battery.

This utility model relates to the field of peak serve training technology and discloses a peak serve training net, including a base, fixing tubes, fiberglass assembly, and a net. The fixing tubes include front fixing tube A, front fixing tube B, rear fixing tube C, and rear fixing tube D, which are respectively inserted into the four corners of the base and fixed with pins. The fiberglass assembly is inserted into the fiberglass fixing tubes at the outer top of the front fixing tube A, front fixing tube B, rear fixing tube C, and rear fixing tube D, respectively, and the net is hung on the top of the fiberglass assembly. This utility model has a stable and portable structure. The fixing tubes are connected to the base by pins, and the U-shaped ground plug is fixed to the ground. It is wind-resistant and anti-tipping. When folded, it is compact and suitable for fast serve in various scenarios. The serve angle can be adjusted flexibly and accurately.

The invention discloses an image splicing method based on grating scale encoder positioning and weight fusion, and belongs to the field of image processing. The method comprises a system calibration stage and a real-time splicing stage, wherein the system calibration stage comprises calibration data acquisition, camera pose calculation and mapping relation establishment; the real-time splicing stage comprises workpiece image acquisition, real-time coordinate mapping, image relative displacement calculation, weight accumulation to a global buffer area, judgment of processing states of all sub-images and normalized fusion output. The splicing process is completely independent of matching of image features, that is, the image content is not required, the splicing speed is high, and the real-time performance is high. A direct mapping relation between encoder readings and camera world poses is established through global motion calibration, and each sub-image is positioned based on absolute coordinates. No accumulated error exists, and the precision of the global image can be ensured. As long as the mechanical structure is kept stable, one-time calibration can be achieved, and then the calibration data can be used for multiple times of jigsaw puzzle in the follow-up process.

This utility model provides a waterproof battery pack and electrical device, relating to the field of battery pack technology. The waterproof battery pack includes a battery module, a housing, a first waterproof bracket, and / or a second waterproof bracket. The housing includes a cylindrical body, an upper housing, and a lower housing. The upper housing is connected to one end of the cylindrical body via threaded fasteners, and the lower housing is connected to the other end of the cylindrical body via threaded fasteners. The cylindrical body, upper housing, and lower housing together form a receiving cavity, in which the battery module is housed. The receiving cavity is filled with a first waterproof sealant. The upper housing has a first cable outlet. A first waterproof bracket is provided between the upper housing and the battery module. And / or, a second waterproof bracket is provided between the lower housing and the battery module. This waterproof battery pack can enhance the overall structural strength while ensuring the waterproof performance of the battery pack, and facilitates the installation, maintenance, and replacement of the battery module.

The invention discloses a Panama power supply module and a battery cupboard, the Panama power supply module comprises a battery body, the battery body comprises a shell and an electric energy unit, and one end of the shell is provided with a power connection assembly; the control assembly can cut off / connect the electric connection between the power connection assembly and the electric energy unit, and at the beginning, the control assembly keeps the electric connection between the power connection assembly and the electric energy unit disconnected; and the energy storage assembly is arranged on the shell and provides trend force for controlling the assembly to communicate with the power connection assembly and the electric energy unit. In the plugging process of the battery body and the battery cabinet, the control assembly plays a key protection role. In the initial stage of plugging, the electrical connection between the power connection assembly and the electric energy unit is actively cut off, so that the resistance instability of a plugging port caused by plugging vibration is effectively avoided; after plugging is completed and a stable installation state is achieved, the energy storage assembly and the linkage assembly are used for precisely driving the control assembly to connect the circuit, smooth transmission of electric energy is ensured, stable electrification is achieved, and the electrical connection stability in the plugging process is greatly improved.

The invention discloses a conveying positioning method and device in the driving process of mother and child vehicles, a medium and a product, and relates to the field of positioning control. The method comprises the steps of driving a mother vehicle to run to an initial target position based on a relative stroke; optimizing a position coefficient based on the initial target position, the relative travel and the current position; updating the relative travel based on the optimized position coefficient, the current position and the target position; based on the updated relative stroke and the initial target position, the mother vehicle is controlled to run to the target position, and mother vehicle conveying positioning is completed; a Hall sensor is adopted to obtain magnetic substance positioning object information, and zero point coordinates of the parking area are obtained based on the magnetic substance positioning object information; based on the zero point coordinates, the mother vehicle adjusts the position of the child vehicle in the horizontal direction so that the child vehicle can be relatively matched with the zero point position; determining the travel of the sub-vehicle based on the zero position and the track length corresponding to the zero position, and completing the conveying and positioning of the sub-vehicle. According to the invention, stable operation and accurate positioning of the primary vehicle and the secondary vehicle can be realized.

The utility model discloses a small-sized rapid air bypass switch, which comprises an insulating shell and an insulating cover body which are fixedly connected through a bolt, one side of the insulating cover body is fixedly connected with a cable fixing head, a static copper bar and a soft copper bar are arranged in the insulating shell, and a manual opening mechanism and a pulse electromagnetic limiting mechanism which are vertically distributed are arranged in the insulating shell. One end of the static copper bar is fixedly connected with the insulating shell, the soft copper bar is fixedly connected with the manual opening mechanism, and the other ends of the static copper bar and the soft copper bar extend out of the insulating shell. The bypass switch has the advantages that the overall closing operation speed is high, the service life is long, damage is not prone to occurring, the number of parts used for the bypass switch is greatly reduced, the mechanical structure is simple, the assembly process is convenient, the production cost of the bypass switch is reduced, the mechanical structure between the parts is more stable, the service life of the bypass switch is effectively guaranteed, and the service life of the bypass switch is prolonged. And meanwhile, the use reliability of the bypass switch is ensured.

The invention provides a self-adaptive arched supporting structure for a cofferdam, and belongs to the technical field of water conservancy constructions.The self-adaptive arched supporting structure comprises a first supporting unit and a second supporting unit, the first supporting unit and the second supporting unit are both arched, the first supporting unit is located on the protruding face of the second supporting unit, and the second supporting unit is located on the protruding face of the second supporting unit. The first supporting unit and the second supporting unit are both filled with aggregate, a first water absorption layer is arranged on the convex face of the first supporting unit, a second water absorption layer is arranged on the concave face of the second supporting unit, and the first water absorption layer and the second water absorption layer are both made of water absorption resin. The supporting structure is in an arch shape, a water absorbing material is laid, the water absorbing material absorbs water to expand, and gaps between aggregates filled in the supporting structure are filled with the water absorbing material, so that the supporting structure can achieve self-adaptive compaction, a stable mechanical structure is formed, water pressure is conducted to retaining walls on the two sides of the supporting structure, and then the influence of flood on the stability of the cofferdam is reduced; and the enclosure function and the safety performance of the cofferdam are improved.

This invention provides a separation protection device and a machine tool equipped with the device. The separation protection device is disposed at the connection between the machine tool body and at least one accessory. The machine tool body has a moving part and includes a normally open first circuit and a normally closed second circuit. The separation protection device also includes a first connector and a second connector. The first connector is disposed on the machine tool body, and the second connector is disposed on the accessory. The first connector and the second connector cooperate to form a through-circuit fit structure and a break-circuit fit structure. When the accessory is connected to the machine tool body to mate the first connector and the second connector, the first circuit is connected and the second circuit is disconnected, allowing the moving part to move. When the accessory is detached from the machine tool body to separate the first connector and the second connector, the first circuit is disconnected and the second circuit is connected, preventing the moving part from moving. The separation protection device and the machine tool equipped with the device are simple to operate and have a high safety factor.

The invention discloses a silo inner wall (11) cleaning device and a cleaning method thereof, the device is composed of a traction robot (10), a universal joint connector (1), a cleaner (5) and land wheels (8), and the traction robot (10) dominates cleaning control of cleaning operation and control of a cleaning path; by means of the universal structure of the universal joint connector (1), when the structure of the silo inner wall (11) changes, for example, when a vertical face is converted into a conical face, the angle of the sweeper (5) can be changed based on the universal adaptation function of the universal joint connector (1) so that the sweeper (5) can be better attached to the silo inner wall (11), and it is guaranteed that grains accumulated at any position and corner of the silo inner wall (11) can be effectively swept. The ground wheel (8) calculates the synchronous speed of the ground wheel (8) based on the traction speed of the traction robot (10), provides driving force for the lower part of the sweeper (5) according to the synchronous speed, and can keep the sweeper (5) to synchronously advance.

The invention provides a polarization-maintaining fiber bragg grating inscribing system and a polarization-maintaining fiber bragg grating inscribing method. The system comprises a detection device which is used for detecting the fast axis position and the slow axis position of the end face of the polarization maintaining optical fiber; the optical fiber clamping structure is used for rotating a detection end face according to the fast axis position and the slow axis position; and the grating inscribing device is used for focusing laser on the inscribing area of the rotated polarization maintaining optical fiber so as to form a grating pattern in the fiber core of the inscribing area. According to the polarization-maintaining fiber bragg grating inscribing system and the method thereof, a polarization-maintaining structure can be effectively visualized, it can be guaranteed that the corresponding refractive indexes of laser inscribing and emitting positions are basically consistent, the inscribing consistency of the polarization-maintaining fiber bragg grating is improved, the process is controllable, and large-scale production is easy to form.

The utility model provides a clamping device with linkage structures. The clamping device comprises a first mounting plate, three clamping mechanisms and three linkage mechanisms, the three clamping mechanisms are evenly distributed on the lower end face of the first mounting plate, every two adjacent clamping mechanisms are connected through a linkage mechanism, and the bottoms of the clamping mechanisms are used for clamping workpieces. The clamping mechanism comprises a radial driving device, an axial driving device, a moving frame, a vertical plate, a second mounting plate and a clamping jaw structure, the radial driving device is arranged on the lower end face of the first mounting plate, the output end of the radial driving device is connected with the moving frame, the axial driving device is arranged on the moving frame, and the output end of the axial driving device is connected with the vertical plate; the second mounting plate is arranged on the vertical plate, and the clamping jaw structure is arranged on the second mounting plate. According to the clamping device with the linkage structure, the problem that the clamping jaw inclines due to the fact that an air cylinder of a clamping device in the related technology is inconsistent in vertical movement is solved.

The invention relates to the field of automatic conveying, tightening and assembling mechanical structures, and particularly discloses an automatic conveying, tightening and assembling machine for a Kingming projectile support body, which comprises a machine base with an assembling station, and a conveying mechanism, a clamping and positioning mechanism, a tightening mechanism and a measuring device which are arranged on the machine base, the conveying mechanism is used for conveying the bright bomb support body to the assembling station correspondingly or leaving the assembling station, the clamping and positioning mechanism is used for positioning and clamping the bright bomb support body on the assembling station, and the tightening mechanism is used for tightening the bright bomb support body and is configured to be a structure capable of achieving tightening operation torque control. The measuring device is used for measuring the tightening operation depth of the lighting bomb support body and is configured to be arranged along with the structure of the measured depth in the tightening operation process. The assembling machine is specially used for realizing automatic conveying and effective and reliable tightening and assembling operation of the lighting projectile support body so as to replace manual operation.

The present invention relates to a portable infrared spectrometer, and in particular to a portable infrared spectrometer suitable for VOCs detection. It comprises a support rod and an angle mirror 1 and an angle mirror 2 arranged at both ends of the support rod, a rotating bearing is arranged in the middle of the support rod, and the rotating bearing can be driven to rotate by a motor to drive the support rod to rotate; an end reflector 1 and an oblique reflector 1 are arranged below the angle mirror 1; an end reflector 2 and an oblique reflector 2 are arranged below the angle mirror 2; a beam splitter / compensator is vertically arranged between the oblique reflector 1 and the oblique reflector 2, a laser emitting device is arranged on one side of the beam splitter / compensator, and a long optical path absorption device is arranged on the other side of the beam splitter / compensator. Therefore, the present invention has the following advantages: 1. The mechanical structure is stable and suitable for portable detection occasions. 2. A structure in which the optical path is equal to 8 times the mechanical stroke is realized, so that under the same spectral resolution, the mechanical stroke is greatly reduced, making the spectral scanning more stable.

The application relates to a coaxial connector dynamic assembly control method based on time domain reflection feedback. The method comprises the following steps: constructing a target impedance model; calibrating an assembly zero point; driving a shielding shell to quickly approach a preset safe depth; performing a fine regulation cycle of step-by-step pressing and impedance detection to obtain an instantaneous impedance characteristic value; and stopping pressing and fixing the position of the shielding shell when the instantaneous impedance characteristic value falls within the target impedance parameter range. The application controls the mechanical assembly depth through the electrical performance feedback closed loop, effectively eliminates the influence of the manufacturing tolerance on the characteristic impedance, solves the impedance dispersion problem in the assembly of special-shaped terminals, and significantly improves the high-frequency performance consistency and assembly yield of the connector.

The present invention discloses a silicon-based high saturation detector and a preparation method thereof, wherein an n-type lightly doped region is arranged on the upper side of an SOI substrate, n-type heavily doped regions are formed on both sides of the n-type lightly doped region, a light absorbing layer is arranged on the upper side of the n-type lightly doped region, a light absorbing layer p-type heavily doped region is arranged on the upper surface of the light absorbing layer, a silicon dioxide window layer is arranged on the upper side of the SOI substrate and a gradient window matching the light absorbing layer is opened on the silicon dioxide window layer, an insulating medium layer is arranged on the upper side of the light absorbing layer and the silicon dioxide window layer, a plurality of electrodes are respectively connected to the n-type heavily doped region or the p-type heavily doped region of the light absorbing layer, a hole is opened at the bottom of the SOI substrate, and a reflective heat-conducting metal is arranged in the hole at the bottom of the SOI substrate and on the bottom surface of the SOI substrate. The present invention has the advantages of high responsiveness, high saturated optical power and stable mechanical structure.