32results about How to "Fixed" patented technology

The application discloses a device and method for bending and deforming micro-nano samples in-situ in an electron microscope, and belongs to the field of scanning / transmission electron microscope accessories and micro-nano material mechanical property measurement research. The device comprises four parts, namely a supporting part, a driving part, a bending loading part and a sample stage part. One end of the nano material is fixed to a suspended part at the front end of the sample stage, and the other end is a free end. The free end of the nano material is pushed by the bending loading part driven by the heating and bending bimetallic strip, so that the nano material achieves the bending and deformation effect. The application separates and fixes the bimetallic strip and the sample, solves the problems of poor mechanical stability and easy movement of the sample in the deformation process of the in-situ bending nano material, improves the stability of the fixed sample and in-situ imaging, realizes the bending and deformation of the sample, and simultaneously observes the structural evolution of the material in the deformation process. While realizing the bending and deformation of single / multiple nano wire shafts, the structural evolution of the material in the deformation process is observed in-situ.

This invention discloses a multi-dimensional clamping mechanism, system, and method for machining, including a reference plate with an electromagnetic chuck on it. The electromagnetic chuck contacts the outer wall of a workpiece and magnetically attracts the workpiece. The clamping mechanism includes a working shaft, a sliding sleeve, and a cooperating plate. The centerline of the reference plate overlaps with the centerline of the working shaft. A guide rail is provided on the working shaft, and the sliding sleeve is disposed on the guide rail, moving along the guide rail to approach or move away from the reference plate. The cooperating plate is sleeved on the sliding sleeve and has a functional block corresponding to the electromagnetic chuck. A clamping assembly is formed by one functional block and the corresponding electromagnetic chuck. A contact sensor is provided on the functional block. When the functional block contacts the workpiece, the contact sensor sends a signal to the corresponding electromagnetic chuck control unit to control the magnetic attraction timing of the electromagnetic chuck. This invention aims to improve the problem that the clamping point of the clamping surface is difficult to adjust, and that there are significant limitations when temporarily clamping non-coplanar areas of irregular workpieces.

This invention discloses an integrated multi-nozzle air-assisted 3D printing nozzle, comprising an upper horizontal plate, a lower horizontal plate, m material feed cylinders, and a heating element, where m is 3-100. The upper horizontal plate is located above the lower horizontal plate, and the two together form an air chamber. An air inlet is provided on the air chamber. The top wall of the air chamber has m material feed cylinder channels, and the bottom wall has m gas channels. The m material feed cylinder channels and m gas channels are all vertically arranged and simultaneously connected to the air chamber. The m material feed cylinders are vertically arranged, and each material feed cylinder has a discharge port at its lower end. The m material feed cylinder channels, m gas channels, and m material feed cylinders correspond one-to-one. The top of the i-th material feed cylinder is located within and sealed to the i-th material feed cylinder channel, and its bottom is located within the i-th gas channel, with a gap between them for gas passage, i = 1, 2, ..., m. This invention has a simple structure and effectively solves the problems of existing technologies that cannot achieve multi-nozzle printing and simultaneous air-assisted 3D printing of multiple materials and colors.

The application provides a high-activity rhodiola extract freeze-dried powder and a preparation method and application thereof.The high-activity rhodiola extract freeze-dried powder is composed of the following components in parts by weight: rhodiola extract: 10-20 parts; mannose: 78-89 parts; xanthan gum: 1-2 parts; and other pharmaceutically acceptable adjuvants: 0-10 parts. The rhodiola extract, mannose and xanthan gum are compounded in the application, wherein the xanthan gum and the mannose are not only simple supporting agents and protective agents, but also have a synergistic effect with the rhodiola extract, and the activity is improved by 1+1+1>3. Experimental data prove that the anti-inflammatory effect of the high-activity rhodiola extract freeze-dried powder is significantly improved, and the analgesic activity is well maintained.

The door leaf system spare part assembling tool comprises a frame body capable of penetrating through a preset door opening of a vehicle body and a fixing beam, a first shoulder block used for preventing the frame body from penetrating through the door opening completely is arranged at the bottom of the frame body, and a support forming a certain angle with the frame body is arranged at the top of the frame body; the support is provided with an adjusting piece used for abutting against the outer side wall of a vehicle body and a fixing clamp capable of drilling through a door opening to abut against the inner wall of the vehicle body. A plurality of connectors are arranged at the bottom of the inner side of the frame body, the length of the fixing beam is larger than that of the door opening, a plurality of locking pieces are arranged on the fixing beam, and when the tool is connected with a vehicle body, the fixing beam is located in the vehicle body, and the locking pieces penetrate through the door opening to be connected into the connectors. Before assembly, the spare parts are fixed to the frame body, then the frame body is fixed to the vehicle body, the spare parts are transferred to the preset positions accordingly, and quick and accurate assembly of the spare parts can be achieved.

The application discloses a medicine bag opening device, which is suitable for a medicine bag comprising at least a medicine bag part, a liquid outlet part and a sealing part. The medicine bag opening device comprises a main body with a containing part containing the medicine bag; a door provided on one side of the main body of the medicine bag opening device, with a mounting part mounting the medicine bag; a medicine bag opening part with a cutting knife, which is located inside the main body, directly opposite to the liquid outlet part of the medicine bag when the door is closed, and can cut the liquid outlet part; and a medicine bag located on the lower side of the main body, with a liquid inlet end located on the lower side of the medicine bag opening part. After the medicine bag is mounted, the door is closed, and the medicine bag is cut, so that the liquid medicine can directly enter the medicine bag, which can conveniently and reliably open the medicine bag mounted in the atomizing cup / atomizer, and can effectively avoid the liquid medicine pollution or spatter caused by opening the medicine bag outside the atomizing cup / atomizer.

The application relates to a carrier and a transfer line, the carrier is used for carrying a film product, and the carrier comprises a carrier disc and at least one positioning block, the carrier disc is provided with a carrying cavity for carrying the film product; the positioning block is detachably arranged on the carrier disc and located at any position of the carrying cavity, and the positioning block can abut against the film product and is used for positioning the film product in the carrying cavity. The carrier provided by the application is used for placing the film product in the carrying cavity, abutting the positioning block against the film product and positioning the film product in the carrying cavity, so that the carrying stability of the film product in the carrier is ensured, and the film product can be prevented from shaking, being damaged by knocking, being deformed and other adverse phenomena during the transfer process of the carrier. The positioning block is arranged at any position of the carrying cavity, that is, the position of the positioning block is changed, so that the positioning block can be adapted to abut against and fix different specifications of the film product. In addition, the positioning block is detachably arranged on the carrier disc, different numbers and positions of the positioning block can be arranged in the carrying cavity, and good fixing of different specifications of the film product can be realized.

This invention discloses a multifunctional cryotube for Artemisia callus suspension cells, comprising a tube body and a cap. The cap is located at the top of the tube body, and a first connecting component is located on the opposite side of the tube body and cap, allowing the cap to be detachably connected to the tube body via the first connecting component. A sealing component is located on the side of the cap facing the tube body, improving the seal when the cap is connected to the tube body. A positioning component is located at the bottom of the tube body, and a second connecting component is located on the opposite side of the positioning component and tube body, allowing the positioning component to be detachably connected to the tube body via the second connecting component, and used for positioning the cryotube. A vibration assist component is located on the inner surface of the tube body's sidewall, enhancing the disturbance to the fluid within the tube during vibration. The advantages of this invention are: excellent sealing effect, good fixation on different tube racks and processing equipment, and rapid vibration of the Artemisia callus suspension cell fluid within the tube.

The utility model belongs to the technical field of water valve, concretely relates to a faucet structure, including vertical and hollow faucet main part, set up in the water outlet channel of faucet main part middle part to one side stretch, the partition that sets up in the faucet main part divides the upper chamber, lower chamber of faucet main part inner chamber, the upper chamber of faucet main part is connected with the valve core seat, valve core, compression cap, decorative cover and handle in turn from below to top, the arc -shaped groove that sets up on the lateral wall of valve core is installed with Y type ring and fixed sheet, the middle part of arc -shaped groove is provided with the water through -hole that penetrates the lateral wall, the lateral wall of the one end of water outlet pipe that sets up in the water outlet channel is provided with two or more than two guide vane, the water outlet pipe of guide vane outside passes fixed sheet and sealing ring in proper order with water outlet pipe and valve core seat sealed connection, the advantage is: save raw material, small, valve core seat and faucet main part and water outlet pipe and the water outlet channel of faucet main part are fixed well.

The utility model discloses a mistaken swallowing and sucking prevention net for the department of stomatology. The mistaken swallowing and sucking prevention net comprises a flexible protection paste body. A waterproof back adhesive is arranged on the back surface of the flexible protection paste main body; an arc-shaped protruding part used for being attached to the upper jaw of the human body is formed at the front end of the flexible protection paste body. The two sides of the rear end of the flexible protection patch body are each provided with a long-strip-shaped protruding part, and each long-strip-shaped protruding part is divided into two attachment units which are used for being attached to the inner side and the outer side of the alveolar ridge of the lower jaw of the human body. A plurality of through holes are formed in the central position of the flexible protection paste main body. The main body structure of the protection paste is made of flexible materials, and the protection paste can be bent and cut at will; moreover, the whole net for preventing mistaken swallowing and aspiration is attached to the interior of the oral cavity of the patient and is well fixed by being matched with a sublingual anti-falling rope or an anti-falling support, and the device has the advantages of being flexible to use, small in occupied space and low in cost, can be used as a disposable medical instrument, and is high in sanitation and safety and easy to popularize and use.

This utility model discloses a display device, which includes: a back plate, comprising: a receiving portion having opposing first and second sidewalls inside; a first platform portion located on the light-emitting side of the receiving portion and connected to the first sidewall; a first adhesive portion located on the first platform portion; a diffuser plate pushed in along the plane of the first platform portion from the side where the second sidewall is located toward the side where the first sidewall is located to adhere to the first adhesive portion; and a first reflective portion, comprising: a main body portion located on the first sidewall; and a first extension portion connected to the main body portion, located along a first direction on the side of the first platform portion away from the first sidewall, with less stiffness than the main body portion; the first extension portion bends away from the second sidewall under the action of the pushed diffuser plate, and the maximum distance of the first extension portion from the first platform portion along the first direction after bending is greater than the thickness of the first adhesive portion, the first direction being perpendicular to the first platform portion. This display device can improve production efficiency.

The utility model discloses a kind of multi-pole nerve electric stimulation electrode catheter, it is related to medical instrument technical field, including catheter body, elastic member, guide wire and electrode assembly, catheter body has first end and second end, catheter body is equipped with first passage, first passage is extended from first end to second end, first passage is equipped with closed structure at the port of first end;Elastic member includes shaping section and has initial state, in initial state, the shaping section of elastic member is in plane spiral, elastic member is set in first passage;Guide wire is worn in first passage, guide wire can be moved to limit position or non-limit position, guide wire can keep catheter body in straight state in limit position, in non-limit position, elastic member can drive first end to bend in plane spiral;Electrode assembly is set to the outside wall of catheter body.The multi-pole nerve electric stimulation electrode catheter of the utility model can improve the opportunity of electrode and nerve tissue contact, and is easy to fix catheter position.

This invention provides a film winding body. The film winding body includes a paper core, adhesive tape disposed on the paper core, and a film wound around the paper core; the film is connected to the paper core by the adhesive tape, with one end of the film adhered to the tape forming an acute angle, and the area where the film and tape are adhered is triangular. The film winding body provided by this invention allows for easy separation of the film from the paper core by pulling, and the adhesive tape remains on the paper core, preventing paper scraps and adhesive tape from being introduced during automated packaging production.

This utility model relates to the field of blasting device technology, specifically to a mining blasting device. It comprises an installation rod formed by splicing multiple connecting rods. The installation rod has multiple slidable loading components for loading explosives. A spike assembly is installed at the lower end of the installation rod to fix the installation rod inside a blast hole. A rotatable installation plate is provided at the upper end of the installation rod via an adjusting component. Multiple fixing members are provided circumferentially on the side wall of the installation plate to fix the installation plate at the opening of the blast hole, thus achieving fixed installation of the installation rod inside the blast hole. The spike assembly allows the operator to use considerable force to drive the spike assembly into the top wall of the blast hole, pre-fixing the installation rod inside the blast hole, facilitating the operator to fix the installation plate at the opening of the blast hole using the fixing members.

The application relates to the technical field of agricultural planting, in particular to a seed and fertilizer simultaneous sowing device for agricultural planting, which comprises a chassis, a top frame is fixedly installed at the top of the chassis, a plurality of seed boxes and fertilizer boxes are embedded on the top frame, the seed boxes and the fertilizer boxes are alternately arranged, a discharging pipe is in communication with the bottom center of each of the seed boxes and the fertilizer boxes, a discharging mechanism is arranged on the discharging pipe, and the discharging pipe at the fertilizer box is provided with a first adjusting mechanism. The seed and fertilizer simultaneous sowing device for agricultural planting can adjust the fertilization quantity and the sowing quantity through the first adjusting mechanism and the second adjusting mechanism, and can adjust the sowing and fertilization depth through the depth adjusting mechanism. Therefore, the device can adjust the sowing parameters, solves the problem that the sowing parameters of the existing equipment are fixed and cannot be flexibly adjusted according to the differences in the types of planted crops and the differences in soil conditions, and the sowing quality is poor.

The utility model relates to the technical field of wire harness distinguishers, and discloses a multi-channel earthquake wire harness distinguisher, which solves the problems that a plurality of wire harnesses are easy to slip and fall off and the use effect of the multi-channel earthquake wire harness distinguisher is poor because the existing multi-channel earthquake wire harness distinguisher cannot be used for synchronously and well fixing the multi-channel wire harnesses, and comprises a distinguisher main body, a plurality of placing grooves are formed in the distinguishing device main body, a moving disc is arranged above the distinguishing device main body, wire holes corresponding to the placing grooves in number are formed in the surface of the moving disc, a plurality of wire harness bodies are mounted in the placing grooves, and the moving disc sleeves the surfaces of the plurality of wire harness bodies through the plurality of placing grooves; two extrusion nozzles are symmetrically and fixedly mounted on the lower side of the movable disc and located at the lower parts of the plurality of wire holes; the extrusion nozzles are made of a rubber material with certain hardness; according to the multi-channel seismic wire harness discriminator, a plurality of wire harnesses cannot be synchronously and well fixed, the plurality of wire harnesses are prevented from slipping and falling off, and the multi-channel seismic wire harness discriminator has a very good use effect.

This invention relates to a lacrimal duct probe comprising a sheath, a guide head, a guide wire, and a directional mechanism. The sheath contains a working channel, the guide head is located at the front end of the sheath, and the guide wire is disposed within the working channel. The guide wire, after being bent, forms a traction section at the bend, which is located on the distal outer side of the working channel. The guide wire extends along the working channel, with its proximal end protruding from the proximal end of the working channel. The directional mechanism fixes the direction of the traction section of the guide wire. During retraction, a locking mechanism locks the guide wire and sheath, allowing for complete retraction. The directional mechanism ensures that the direction of the traction section is well fixed, allowing it to be smoothly exposed outside the anterior nasal cavity along the nasal cavity direction. The complete retraction process effectively prevents guide wire lag, better ensuring the safety and success of the placement process and better meeting the clinical operational needs during placement.

The utility model discloses an underground oil pipe recoverable leakage detection device, which comprises a leakage detection seat assembly and a leakage detection rod assembly, the leakage detection seat assembly and an underground oil pipe are installed together, the leakage detection rod assembly is inserted in the leakage detection seat assembly, the leakage detection rod assembly comprises a conical shell, and a support plate II is installed in the conical shell through a bolt; according to the utility model, the weighing sensor, the guide rod, the baffle plate, the sealing seat, the camera module, the illuminating lamp and the control transmission module are integrated in the leakage detection rod assembly and are electrically connected, so that the stress state of the sealing seat in the leakage detection process can be accurately monitored in real time to reflect the sealing performance, and visual information in a shaft can be obtained through the camera module; meanwhile, the control transmission module can process, store and upload the key data in real time, the problems that in the prior art, real-time monitoring and data feedback are lacked, and sealing failure or inaccurate judgment is caused due to the fact that the precision is insufficient due to the fact that a single air bag is depended on are effectively solved, and the reliability of leakage detection and the comprehensiveness of information obtaining are greatly improved.

The application discloses a kind of centralized control and sampling coal gas diffusion method, it is related to coal gas diffusion technical field, to solve the problem that existing coal gas diffusion pipe has greater security risk, sampling operation is inconvenient;The centralized diffusion reconstruction of the present application includes the additional centralized diffusion pipe, multiple scattered diffusion pipes and the support fixed on the operation platform, wherein the lower end of the centralized diffusion pipe is provided with a bottom plate, which is provided with the same number of through holes as the scattered diffusion pipe, each through hole is connected with the gas outlet on the upper end of one scattered diffusion pipe;The outer periphery of the centralized diffusion pipe is fixed with multiple lifting lugs, and each lifting lug is arranged on the support;The end of the scattered diffusion pipe away from the centralized diffusion pipe is communicated to the coal gas main pipeline, and each scattered diffusion pipe is provided with a block valve and an analysis sampling device above the operation platform, respectively, and each block valve and analysis sampling device is centrally arranged;The present application does not need to struggle rope, is easy to fix firmly, is provided with lightning protection device, eliminates security risk, and sampling and control operation is convenient.

The utility model provides a detachable wire fixing device, which belongs to the technical field of network modules, and comprises a wire fixing device body, the wire fixing device body comprises a connecting part, a rotating arm and a buckling part, the wire fixing device body is arranged to be a detachable structure capable of being connected with a network module through the connecting part, the rotating arm is arranged to be an arc-shaped structure, and the buckling part is arranged on the rotating arm. The buckling part is positioned at the end part of the rotating arm; the modularized wire fixing device has the beneficial effects that the modularized wire fixing device is provided, the wire fixing device can be detachably connected with the network module through the connecting part, so that the wire fixing device is additionally arranged on the network module, the network module can fix or lock a cable through the wire fixing device, the operation is very convenient, the wire fixing device can be repeatedly used, and the cost is reduced. And the wire fixing device and the network module are integrated, so that the wire fixing device is not easy to lose.

The utility model relates to the technical field of motor cooling, in particular to a cooling oil ring for motor cooling and a motor, which comprises an oil ring outer ring, a fixing hole, an oil ring connecting plate, an oil ring inner ring, a lower oil hole and an oil confluence cavity, an oil confluence cavity is formed in the interval between the oil ring outer ring and the oil ring inner ring, and a plurality of lower oil holes are formed in the oil ring inner ring. Cooling oil liquid in the motor flows between the oil ring outer ring and the oil ring inner ring, the oil liquid is blocked and collected in the oil liquid confluence cavity through the oil ring connecting plate, so that a winding and a stator iron core end face which are located in the oil liquid confluence cavity can be completely soaked in the oil liquid, and the cooling oil ring is low in machining and manufacturing cost, easy to assemble and fix and convenient to maintain. And the cooling oil can be collected, so that the winding and the stator iron core can be soaked in the cooling oil to be cooled to the maximum extent, the cooling is more comprehensive, and the cooling effect is stronger.

This utility model discloses a fastener, a hub cover mounting structure, and a hub assembly, including a first fixing member, a first movable member penetrating the first fixing member, and a first control member disposed within the first fixing member and controlling the extension length of the first movable member relative to the outer surface of the first fixing member. The first fixing member can connect to the hub cover. By rotating the first control member, the extension amount of the first movable member relative to the first fixing member is controlled, thereby enabling the fastener to be inserted into the center hole of the hub and fixed by the first movable member against the center hole, thus fixing the hub cover. This installation method is simple, easy to implement, and has strong connection stability. Its fixing position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs for installation, by rotating the first control member, the first movable member and the center hole are in a non-abutment state, thereby transferring it to other hubs for installation. It has strong versatility and good interchangeability.

The 220KV double-loop crossing tower comprises a tower head, a tower body and tower legs which are connected in sequence, the tower head comprises an upper cross arm and a lower cross arm, and the upper cross arm is located on the side, away from the tower legs, of the lower cross arm; the upper cross arm comprises two first sub-cross arms which are arranged oppositely; the lower cross arm comprises two second sub-cross arms which are arranged oppositely; wherein the first sub cross arm comprises a first upper jumper string hanging point, a first upper tension string hanging point, a second upper jumper string hanging point, a second upper tension string hanging point and a third upper jumper string hanging point which are arranged in sequence; on each first sub cross arm, a first jumper string and a second jumper string are respectively connected with a first upper jumper string hanging point and a second upper jumper string hanging point, and the first jumper string and the second jumper string are arranged in a V shape; and on each first sub cross arm, the third jumper string and the fourth jumper string are respectively connected with the second upper jumper string hanging point and the third upper jumper string hanging point, and the third jumper string and the fourth jumper string are arranged in a V shape. The height of the tower head can be reduced.

This invention discloses a method for preparing a hydrogen leak indicator material, comprising: dissolving ethyl cellulose (EC) and mixing it with a noble metal precursor solution to obtain an EC-noble metal precursor mixed solution, wherein the noble metal is Pt or Pd; coating a slurry containing nano-WO3 onto a substrate to form a WO3 layer; coating the EC-noble metal precursor mixed solution onto the surface of the WO3 layer to obtain a precursor film; and heat-treating the precursor film to generate an EC-Pt / Pd nanocomposite layer on the surface of the WO3 layer, thereby obtaining an EC-Pt / Pd-WO3 composite hydrogen leak indicator material. This invention also discloses the hydrogen leak indicator material obtained by the above preparation method and its application in visual detection, fiber Bragg grating hydrogen sensors, or hydrogen leak monitoring devices. The hydrogen leak indicator material provided by this invention possesses catalytic hydrogen dissociation, hydrogen-induced color change, water resistance, and sensor adaptability.

An ice block carrying device for ice and snow construction belongs to the technical field of ice and snow construction equipment. Two inclined grooves are formed in the trolley body, each inclined groove is internally provided with a clamping mechanism, the two clamping mechanisms are symmetrically arranged, a rubber plate is arranged between the two clamping mechanisms, the lower end of the rubber plate is fixedly connected with a base plate, the lower end of the base plate is fixedly connected with a damping spring, and the damping spring is fixed to the trolley body. Two hanging rings used in cooperation with the conveying mechanism are fixed to one end of the trolley body, the other end of the trolley body is hinged to the conveying mechanism, and a grip is arranged on the trolley body. The ice block carrying device for ice and snow construction has the beneficial effects of being efficient, convenient and fast, stable in clamping, good in damping and anti-skid effect, easy and convenient to operate, safe, reliable and the like, and is very suitable for being used in the ice and snow construction environment.

The utility model belongs to the technical field of unmanned aerial vehicle remote sensing measurement, and particularly relates to an unmanned aerial vehicle remote sensing measurement mobile platform which comprises a mobile bearing vehicle body, a storage protection box is mounted on the mobile bearing vehicle body in a bearing mode, and a lifting platen is connected into the storage protection box in a lifting mode through a hydraulic lifting rod. A take-off platen is rotationally connected to one end of the lifting platen through a rotating shaft seat, a leveling mechanism used for adjusting the take-off platen to be horizontal and flat is arranged on the lifting platen, and a clamping and fixing mechanism used for limiting and fixing an unmanned aerial vehicle is installed on the take-off platen. The take-off bedplate is supported and adjusted through the leveling mechanism, so that the take-off bedplate rotates on the lifting bedplate, the take-off bedplate is horizontally and flatly adjusted in cooperation with the level gauge, and the problem that when an unmanned aerial vehicle takes off and lands, the take-off bedplate fails to take off or collides easily due to the fact that the take-off bedplate is not flat is solved; and by means of the clamping and fixing mechanism, the unmanned aerial vehicle can be well fixed, and damage to the unmanned aerial vehicle caused by shaking in the transportation work is prevented.

This utility model discloses a fully sealed surface-mount tantalum capacitor, comprising a shell, a core, and a cover plate. One side of the shell is connected to the cover plate. A positive and negative lead are provided on the outer wall of the shell. The core is disposed inside the shell and connected to the inner wall of the shell through a conductive layer. An anode wire is provided on the core, with one end connected to a lead wire. The lead wire passes through the cover plate and connects to the positive lead. This capacitor employs a metal shell encapsulation structure, improving the capacitor's hermeticity and enabling it to maintain good performance even in harsh environments such as high temperature and high humidity. The connection point between the tantalum wire lead wire and the anode wire is flattened to increase the contact area and enhance welding strength. Furthermore, the welding point is located inside the metal shell, increasing the reliability of the connection. The metal shell is covered with a first insulating layer, followed by a third and fourth insulating layers, providing double-layer insulation protection and improving reliability.