11results about How to "Guaranteed normal function" patented technology

The invention relates to the technical field of compressor pistons, in particular to a wear-resistant compressor piston which comprises a piston body, a piston pin and a bush, and a pin hole penetrating through the piston body is formed in the piston body; the lining is arranged in the pin hole, and the piston pin is rotationally arranged in the lining; when the piston body moves downwards to suck air, a pull-down stress area is formed on the side wall of the pin hole. When gas is compressed upwards, pressure is formed on the side wall of the pin hole and serves as an upward pushing stress area. The pull-down stress area and the push-up stress area are milled; the lining is made of copper; the lining is provided with extension parts corresponding to milling in shape, silicon nitride cylinders are distributed in the extension parts respectively, and a ceramic layer is arranged on the side face of the lining; according to the invention, copper with good ductility is combined with the silicon nitride cylinder, the self-lubricating effect and the supporting effect of the silicon nitride cylinder are utilized on the inner surface of the extension sleeve bushing, and the supporting effect of the silicon nitride cylinder is utilized when the extension sleeve bushing extends to a milling part; and through the ceramic layer, accumulated deformation generated by the bushing can be reflected, and once the bushing is broken, a maintainer knows that the bushing is replaced.

The utility model provides a power supply site safety distance audible and visual alarm. The power supply site safety distance audible and visual alarm comprises a mounting seat, an alarm connected below the mounting seat, a driving assembly connected to the mounting seat, and a clamping assembly pivotally connected to the driving assembly. The clamping assembly comprises two clamping arms which pivot relatively, elastic bodies connected to the clamping arms and bearing parts arranged at the pivot centers of the clamping arms. A wrapping space is formed between the two clamping arms, the two elastic bodies are oppositely arranged in the wrapping space, and each elastic body comprises a curled part protruding towards the center of the wrapping space. A pivot shaft of the two clamping arms is elastically connected with a bearing part, a connecting piece is further arranged between the bearing part and the curling parts, when the driving assembly drives the two clamping arms to be close to each other, the ends of the two curling parts move in the direction away from the center of the wrapping space, the bearing part moves upwards, and a clamping space is defined by the bearing part and the two curling parts. According to the utility model, the alarm and the high-voltage wire are fastened, and the warning and protection effects of the high-voltage wire are ensured.

This utility model discloses an upper limb exoskeleton, relating to the field of industrial assistive device structural design technology. The upper limb exoskeleton includes: a shoulder restraint, a waist restraint, an upper arm fixation, a shoulder rotation mechanism, and an assist mechanism. The lower side of the shoulder restraint is connected to the waist restraint, and an assist mechanism is provided below the shoulder restraint. The lower end of the assist mechanism is fixedly connected to the waist restraint, and the upper side of the assist mechanism is fixedly connected to the shoulder rotation mechanism, which is connected to the upper arm fixation. This upper limb exoskeleton provides support and fixation for the user's upper body through the shoulder and waist restraints. To achieve a lightweight design, assist mechanisms are provided on both sides of the shoulder restraint. The rotation of the shoulder rotation mechanism causes the internal tension springs of the assist mechanism to elastically deform and return to their original position, providing mechanical assistance for shoulder movement and ensuring the stability of the assist mechanism. It is adaptable to users of different body types, ensuring flexible movement with multiple degrees of freedom.

The invention discloses a pretreatment device for vegetable pesticide residue detection. The pretreatment device comprises a treatment table, a treatment pipeline, a movable plate, a rolling gear, a first rotating shaft, a second rotating shaft, a sleeve, a sleeve rod and a matching wheel, the two grinding gears which do circular motion are matched with the sleeve rod, so that the crushed vegetables are stacked; the matching assembly is used for enabling the matching wheel to tightly abut against the rolling gear; the detected vegetables are put into the processing pipeline, the vegetables enter the rolling gears, the motor drives the first rotating shaft to rotate in the original position, one corresponding rolling gear rotates, the other rolling gear rotates, the first rotating shaft rotates, the first rotating shaft rotates, the first rotating shaft rotates, the second rotating shaft rotates, and the adsorption assembly is used for conveying the vegetables located at the bottom of the processing pipeline again to the position above the meshing position of the two rolling gears. The two rolling gears are meshed all the time, so that the two rolling gears rotate, the first rotating shaft and the second rotating shaft are located on the edges of the two rolling gears respectively, the two rolling gears rotate while doing circular motion, and the vegetable crushing efficiency is improved.

The utility model discloses a kind of adjustable depth's water taking aeration device, including energy structure, water pump, outflow pipeline, floating platform, telescopic structure, three-way water inlet pipeline.The outflow pipeline, three-way water inlet pipeline are connected respectively the water outlet and water inlet of water pump, the energy structure is placed on the floating platform, the floating platform is integrated with the outflow pipeline, the floating platform is by lightweight material and is poured cubic platform, the outflow pipeline is enveloped by the floating platform.The device structure of the utility model is simple, can effectively promote the circulation and mixing of different depth water body, device can float on water body, and be equipped with energy structure, to a certain extent, ensure that the device is recyclable, effectively improve the effect of water taking aeration.

This invention relates to a fertility assistive device (1) and an inserter (2) suitable for insertion of the fertility assistive device (1) into or near the cervix (CX) of the vagina of a mammal (preferably a human). The fertility assistive device (1) includes a cylindrical collector (CR) comprising an edge (RI) having one or more protrusions on its surface, which are adapted for easy removal after a final procedure. The cylindrical collector (CR) also has a base (BP) and sidewalls (SW) extending from the base to the edge (RI). The sidewalls (SW) include one or more crease lines (FL, FL') that allow the cylindrical collector (CR) to fold inward radially according to a predetermined shape. The inserter (2) includes an inner tube (IT) suitable for insertion into an outer tube (OT). The inserter (2) is provided with an insertion operation mode and a release operation mode, wherein the inserter (2) is adapted to be locked in both operation modes by rotating the two tubes (IT, OT) relative to each other, thereby facilitating easy insertion of the fertility aid (1) into or near the user's cervix (CX).

The invention relates to the technical field of insulator firing, and particularly discloses an anti-sticking material for insulator firing, which comprises 30-50 parts of industrial alumina, 35-55 parts of quartz powder, 10-30 parts of kaolin and 0.5-2 parts of sodium carboxymethyl cellulose. The preparation method of the anti-sticking material for firing the insulator comprises the following steps: S1, preparing materials: taking corresponding parts of raw materials according to the components in the anti-sticking material for firing the insulator; and S2, mixing the ingredients, adding water, and grinding into the anti-sticking slurry. The invention also provides a use method of the anti-sticking material for firing the insulator. The use method comprises the following steps: step 1, adding water into the anti-sticking material for firing the insulator, and grinding into anti-sticking slurry; and 2, brushing the anti-sticking slurry on the surface of the bearing body. The scheme is used for solving the problems that in the prior art, an anti-sticking layer prepared by brushing an anti-sticking material on a bearing body is prone to powder falling and cracking after an insulator porcelain piece is sintered.

The male end is provided with a male end insulating shell with a cavity, male end contact pieces with different functions are installed in the cavity, one end of each male end contact piece is a first plugging end, and the other end of each male end contact piece is a second plugging end extending out of the male end insulating shell. An insulating rib plate for separating the first plugging ends of the male end contact elements with different functions is arranged in the cavity of the male end insulating shell; the female end is provided with a female end insulation shell, a female end contact piece matched with the male end contact piece is installed in the female end insulation shell, one end of the female end contact piece is an insertion hole matched with the first insertion end in an insertion mode, and the other end of the female end contact piece is a third insertion end extending out of the female end insulation shell. The female end insulation housing is provided with an installation groove used for the insertion of the insulation rib plate in the insertion motion. The inter-board connector comprises a male end and a female end which are in insertion fit. Rib plates are additionally arranged between the contact pieces with different functions, and matched mounting grooves are additionally formed in the corresponding female end, so that short-circuit conduction between the contact pieces is avoided, and downtime caused by the short-circuit conduction between the contact pieces is avoided.

The utility model relates to the technical field of anti-theft devices, in particular to a machine room anti-theft device. According to the technical scheme, the anti-theft device mainly aims at solving the problems that an existing anti-theft device is out of function when a thief cuts off a power supply before stealing, the thief can conveniently conduct stealing, and loss is brought to organizations, and the anti-theft device comprises a shell installed at the position of a door frame; the synchronizing mechanism is arranged in the shell and acts when the door is opened and closed; the warning mechanism is arranged in the shell and is matched with the synchronizing mechanism to send out a signal to give an alarm when the door is opened; the limiting assembly is arranged in the shell and used for guaranteeing linkage between the synchronizing mechanism and the warning mechanism. According to the anti-theft device, theft can be found in time when a thief steals, the thief is difficult to intervene in work of the anti-theft device, meanwhile, response is rapid, the thief can be captured conveniently and rapidly, and property safety is guaranteed.

The present invention provides a task-based dialogue system and method based on seq2seq architecture, including four parts, namely, intention and slot filling network module, database operation module, trust tracking module and optimization and generation network module; including the following steps: the bert output of the classification task and the vector of the input label are mapped to the same vector space, and the slot value extraction task is trained through the CRF layer; the database operation module mainly performs other slot value queries based on the identified slot value, the trust tracking layer, takes the output of the intention and slot value network module and the database operation module as input, takes the output of this layer as input, takes the input of the intention and generation network, and the optimization and generation network module selects the highest score as the answer An of this round of dialogue, and predicts the answer later. The present invention combines the task-based dialogue system with the chat-type dialogue system, and internally combines the modules of the task-based dialogue system, so as to ensure the role of context and enable overall optimization.

The utility model relates to the field of ferrotitanium powder storing and feeding, and discloses a reduced ferrotitanium powder environment-friendly storing and feeding device which comprises a structural base, the left end of the base is fixedly connected with a discharging port, the middle of the top end of the base is fixedly connected with a storage bin, and the top of the right end of the storage bin is fixedly connected with a feeding port. The front side of the top of the left end of the storage bin is fixedly connected with a second motor, the driving end of the second motor is fixedly connected with a threaded rod, the right end of the threaded rod is rotatably connected to the inner wall of the front side of the right end of the storage bin, the outer wall of the threaded rod is in threaded connection with a sliding rod, and the top of the front end of the storage bin is fixedly connected with a toothed plate; and a plurality of dehumidifying rods are uniformly and rotationally connected to the inner wall of the middle part of the sliding rod. According to the utility model, the reduced ferrotitanium powder is kept dry, and the effect and the performance of the reduced ferrotitanium powder are ensured, so that the quality of a produced product is ensured, and the ferrotitanium powder is prevented from sticking to the storage bin, forming cakes, causing unsmooth discharging and even causing blockage.