162results about How to "The connection is firmly fixed" patented technology

The invention relates to a stator for an eccentric screw pump or an eccentric worm motor having a stator, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space, in the shape of a double or multiple spiral, for accommodating a rigid rotor that is also in the form of a spiral, whereby the spiral of the stator has one spiral more than does the motor. To provide a stator that also remains functional under conditions where the fixed connection between the lining and the outer tube would be destroyed, e.g. due to chemical influences or high temperatures, the invention proposes that an inner tube provided with apertures is disposed in the lining, and that spacing strips are disposed between outer tube and inner tube.

The invention discloses an installation method and structure of an indoor wood veneer of decoration engineering. The installation method needs a U-shaped connector, a screw and a back bolt, and includes the following steps that: 1, an installation hole is formed on the back surface of the wood veneer, a bolt head of the back bolt is inserted into the installation hole, one side of the U-shaped connector is sleeved on a back bolt rod of the back bolt, a fastening nut of the back bolt is sleeved on the back bolt rod, the fastening nut is rotated to move forwards so as to push a back bolt expansion body of the back bolt to expand and release, accordingly the back bolt is meshed with the wood veneer, and the side of the U-shaped connector sleeved on the back bolt rod is fixed on the back bolt; 2, one or more than one installation hole is formed on a wall body, the screw penetrates through the hole on the other side of the U-shaped connector, and the other side of the U-shaped connector is fixed on the wall surface. The installation method and structure are simple to construct, high in installation efficiency and simple in structure.

The invention discloses a medicine dispensing method for a powder injection bottle and a medicine dispensing mechanism. The medicine dispensing method comprises the steps that preparation is carried out; a needle is inserted into the powder injection bottle and an infusion bag; a suction pump sucks air to suck liquid medicine in the infusion bag into the powder injection bottle; the powder injection bottle is turned over by 180 degrees to be inverted, and the suction pump blows air to inject the liquid medicine in the powder injection bottle into the infusion bag; the needle is pulled out, and medicine dispensing is completed. The medicine dispensing mechanism comprises a double-hole needle and a single-hole needle, the double-hole needle is connected with one end of a first hose and one end of a second hose, the other end of the first hose is used for being communicated with the suction pump, and the other end of the second hose is communicated with the single-hole needle. The double-hole needle, the single-hole needle, the first hose and the second hose are of an integrally formed structure. According to the medicine dispensing method, repeated needle inserting or needle pulling does not need to be carried out on the powder injection bottle, the double-hole needle and the single-hole needle are not likely to be damaged, the procedure of even shaking does not need to be added, the procedure is optimized, operation is easier, and the medicine dispensing efficiency is improved. According to the integrally formed medicine dispensing mechanism, the medicine dispensing mechanism only needs to be connected with the powder injection bottle, the infusion bag and an air pump, the connecting time of the medicine dispensing mechanism is greatly saved, the structure is simple, and the medicine dispensing efficiency is high.

The invention discloses a novel high-temperature-resistant fire-fighting smoke-discharge fan. The novel high-temperature-resistant fire-fighting smoke-discharge fan comprises an outer barrel, an innerbarrel which is coaxially arranged in the outer barrel and is sealed, a plurality of guide supporting parts for fixing the inner barrel, a through shaft motor which is coaxially mounted in the innerbarrel, smoke discharge fans which are connected with a rotary shaft of the through shaft motor, an air outlet channel and an air inlet channel for enabling the inner space of the inner barrel to communicate with the outer space of the outer barrel, an air exhaust guide ring which is arranged at the front end of the inner wall of the inner barrel and is tapered, a reversing transmission mechanismwhich is connected with the rear end of the rotary shaft, and an air-cooling mechanism which is driven by the reversing transmission mechanism; an air inlet of the air-cooling mechanism communicates with the air inlet channel; and an air outlet of the air-cooling mechanism faces towards the front end of the inner barrel. Through the sealed type fan of the inner barrel, high-temperature smoke is prevented from invading to increase the temperature of a motor operation environment; meanwhile, a ventilating channel which communicates with outside fresh air and the air-cooling mechanism which is synchronously driven by a fan motor are arranged, so that independent circulation of heat dissipation inside the inner barrel is realized, and an air-cooling way replaces a conventional water-cooling way, and therefore, operation stability of the motor is improved from multiple aspects.

The invention relates to the field of civil engineering, in particular to a connecting device and method for a cast-in-situ concrete column and a load-bearing wooden beam. The invention provides a connecting device for a cast-in-place concrete column and a load-bearing wooden beam, including a vertical plate with pre-embedded reinforcement, a supporting plate connected to the lower part of the vertical plate and a tenon plate located between the vertical plate and the supporting plate. The vertical plate, the supporting plate and the tenon plate are perpendicular to each other. The supportingplate is used to support the wooden beam, the tenon plate is fixed with middle parts of the vertical plate and the supporting plate, and the tenon plate is used to match a tenon groove of the wooden beam. In the connecting device and method for a cast-in-situ concrete column and a load-bearing wooden beam, the supporting plate and the tenon plate can guarantee the installation position of the wooden beam. In installation, the wooden beam can be lowered and installed quickly when the tenon groove is aligned with the tenon plate. A connecting plate and the wooden beam can be connected and fixedafter being lifted. The connecting device and method for cast-in-situ concrete column and load-bearing wooden beam has the advantages that a few lifting tables are needed, the connecting plate can increase the bearing capacity and bending resistance of the supporting plate, and the connecting device can firmly connect and fix the wooden beam to the cast-in-situ concrete column.

The invention discloses an abdominal wheel with the controllable travel distance. The abdominal wheel comprises handles, a center shaft, a first end cover, a second end cover and wheel body, the first end cover and the second end cover are integrated with the wheel body and wavily arranged on the center shaft, the handles are correspondingly connected to the two ends of the center shaft, a connecting shaft sleeve is fixed to the center shaft, at least one group of elastic damping devices are mounted on one side of the connecting shaft sleeve, a sliding shaft sleeve is arranged on the other side of the connecting shaft sleeve, a limiting sleeve capable of sliding in the axial direction is arranged on the sliding shaft sleeve, a travel distance locating seat sleeves the limiting sleeve, the travel distance locating seat is fixed to a middle division plate, the travel distance locating seat is provided with a rotary guide rail groove, and a rotary guide rail matched with the rotary guide rail groove is arranged on the limiting sleeve; and in the initial state, the locating end of the rotary guide rail is matched with the initial limiting end of the rotary guide rail groove to limit. The abdominal wheel has the advantages that the structure is simple, the operation is convenient, damping is adjustable, the travel distance is controllable, and training is safe after the structure is adopted.

The invention provides a vibration damper for an engine, comprising an external ring, a connecting piece, and a rubber piece disposed between the external ring and the connecting piece; the external periphery of the connecting piece is provided with a helical annular groove; the external circumference of the external ring is provided with a helical annular groove corresponding to the groove on the connecting piece. The rubber piece is pressed to the space between the external ring and the connecting piece via a press mounting mode, making the external ring, the rubber piece, and the connecting piece form a firm integral body. The vibration damper for an engine can effectively reduce destruction brought by torsional vibration of a crankshaft of the engine, and improve driving comfortableness of conductors and drivers.

The invention discloses a novel building pile driver which comprises an enclosure. A motor case is fixedly installed at the rear side of the enclosure. A servo motor is fixedly installed inside the motor case. One end of a rotating shaft of the servo motor is connected with a spindle in a transmission mode through a coupling. A driving gear is fixedly installed at one end of the spindle. A first gear and a second gear are arranged at the two sides of the driving gear correspondingly. One side of the first gear is fixedly connected with a first arc-shaped gear through a first connecting rod, and one side of the second gear is fixedly connected with a second arc-shaped gear through a second connecting rod. A rack is arranged at one side of the first arc-shaped gear. A threaded rod is weldedto the bottom end of the rack. An impact plate is arranged at one end of the threaded rod. According to the novel building pile driver, the servo motor, the spindle and the driving gear are arranged to be matched with the first gear and the first arc-shaped gear as well as the second gear and the second arc-shaped gear, and therefore the impact plate can be driven to move up and down back and forth so that pile bodies can be driven, and manpower is saved.

The invention provides a basement roof greening slope filling method. EPS (expandable polystyrene) boards are paved on a basement roof; the method includes arranging a drainage system on the basement roof, and dividing a EPS board refilling area; arranging fixing angles on the edges and corners of the EPS board refilling area; using a plurality of EPS boards to fill a slope on the basement roof in a manner of seam-staggered abut connection, and connecting and fixing two EPS boards in abut connection through U-shaped steel bars; refilling through soil; finally pressing and flattening. The EPS boards are paved on the basement roof, the load of the basement roof is reduced, the stress of soil on the basement roof is redistributed, and the structural stress of the basement roof can be optimized effectively.

The invention discloses a dielectric waveguide filter and an input and output structure thereof. The input and output structure of the dielectric waveguide filter comprises a dielectric body and a substrate; a first metal layer serving as an electric wall and a short circuit layer are arranged on the outer wall of the dielectric body; the short circuit layer comprises a connecting end electricallyconnected with the first metal layer, and a short circuit line which is insulated from the first metal layer; the substrate comprises a first surface and a second surface opposite to the first surface; the second surface is provided with a grounding layer and an open circuit line which is insulated from the grounding layer; and the open circuit line is electrically connected with the short circuit line, and an input and output electrode is formed. According to the input and output structure, the input and output electrode is formed on the substrate; compared with the prior art, a coaxial connector and a cable are reduced, the cost is reduced, and the size is further reduced; and the dielectric waveguide filter utilizes the input and output structure, so that the size of the filter can befurther reduced, and the miniaturization development of a base station antenna is facilitated.

The invention belongs to the technical field of medical apparatus preparation, and relates to a postoperative sutureless fixing type negative pressure drainage device. The device comprises a lower enddrainage opening, a scale mark, an upper end drainage pipe thread, an upper end drainage pipe, a fixing plaster application, a fixing plaster application internal thread, a drainage ball, a connecting pipe, a fixing clip, a drainage ball scale mark, a dumping opening, a dumping opening bottle plug, a puncture needle and a lower end drainage pipe. The external threads are installed at one end, connected to the lower end drainage pipe, of the pipe wall of the upper end drainage pipe; an internal thread structure is installed on the fixing plaster application; one end of the upper end drainage pipe and the drainage ball are in sleeved connection and form an integrated structure, and form a drainage device main body with the fixing plaster application and the lower end drainage pipe; the drainage ball is of an oval spherical structure, a hollow connecting pipe is installed at one end of the drainage ball, and the drainage ball is communicated with the upper end drainage pipe through the connecting pipe; a fixing belt is installed on the drainage ball, the fixing clip is installed at the tail end of the fixing belt, and the dumping opening is formed in the drainage ball. The device provides a measurement tool, the coverage is rigorous, the operation is convenient, and the application environment is friendly.

The invention discloses a shipborne satellite communication network backup management device, relates to the field of satellite communication network management, and solves the problem that an existing device is not provided with a hardware structure capable of preventing backup data loss caused by power failure. The shipborne satellite communication network backup management device comprises a fixed base. The fixed base is of a rectangular structure, and the fixed base comprises a mounting through hole, a bearing groove, a protective plate and a heat dissipation structure; a side fixing bin is fixedly connected into the fixing groove. After the backup device is connected with the shipborne satellite communication terminal through an optical fiber, the processor controls the backup server to carry out real-time storage and backup on data, and when the shipborne satellite communication terminal is disconnected from a communication satellite signal or a ship circuit system stops supplying power to the shipborne satellite communication terminal due to a fault, the processor can be emergently supplied with power through the standby power supply, and backup data loss caused by power failure can be prevented.

The stator supporting assembly comprises a supporting frame, and the front end, the middle and the rear end of one side face of the supporting frame are provided with a front end connecting bolt, a middle connecting bolt and a rear end connecting bolt correspondingly. A first guide seat is arranged on one side surface of the support frame corresponding to the front side of the middle connecting bolt, and a second guide seat is arranged on one side surface of the support frame corresponding to the front side of the rear end connecting bolt; a guide rail is arranged on one side face of the supporting frame in the front-back direction, and a stator assembly hole is formed in the middle of the other side face of the supporting frame. According to the invention, through the arrangement of the guide rails which are arranged front and back, position guidance can be provided for moving, pushing and pulling of the supporting frame in the cabinet body, and the stator supporting assembly can be limited in the horizontal and vertical directions; by arranging the front end connecting bolt, the middle connecting bolt and the rear end connecting bolt, the stator supporting assembly can be effectively and stably supported and fixed in the space station cabinet body.

The invention discloses an assembled PVC-FRP pipe restrained section steel concrete column-reinforced concrete beam cross-shaped node which comprises core section steel, U-shaped hidden brackets, circular steel pipe fasteners, core-passing anchor bolts, a node area longitudinal rib, a column tie rib and concrete. The core section steel which is formed through welding a section steel flange and a section steel web plate has a cross-shaped structure. The U-shaped hidden brackets are connected with the section steel flange through the high-strength bolts. The U-shaped hidden brackets are distributed in a crossed manner. The core-passing anchor bolts horizontally pass through the U-shaped hidden brackets and are reversely arranged in a staggered manner. Four sets of circular steel pipe fasteners are distributed among the U-shaped hidden brackets along a circumferential direction. The circular steel pipe fasteners are connected with and fixed to the U-shaped through the high-strength bolts.The column tie rib passes through a process hole on the U-shaped hidden bracket rib plate and is bond with a column longitudinal rib which passes through the node, thereby forming a steel reinforcement cage. According to the assembled PVC-FRP pipe restrained section steel concrete column-reinforced concrete beam cross-shaped node, quick splicing of the steel component in the node is realized by means of the high-strength bolts. The assembled PVC-FRP pipe restrained section steel concrete column-reinforced concrete beam cross-shaped node has advantages of high bearing force, high integrity, convenient construction, high industrialization degree, etc.

The invention discloses a cow true stomach left deflection operation reset device of a double-locking structure. The cow true stomach left deflection operation reset device comprises a fixing thread with one end fixedly connected with the cow true stomach omentum majus. The operation reset device further comprises an annular magnet, a fixing magnet and a clamping device, wherein the fixing magnet is fixed to the outer side of the right cow abdomen and matched with the annular magnet, and the clamping device is used for clamping the annular magnet. A trapezoid hole penetrating into the outer ring side of the annular magnet from the inner ring side of the annular magnet is formed in the annular magnet, the fixing thread is provided with a knot, the diameter of the knot is larger than the aperture of the narrow part of the trapezoid hole but smaller than the aperture of the wide part of the trapezoid hole, the wide part of the trapezoid hole is provided with a thread clamping groove matched with a thread clamping device, and the thread clamping device is provided with a clamping strip and a clamping block, wherein the fixing thread can be pressed into the thread clamping groove through the clamping strip, and the clamping block can extend into the wide part of the trapezoid hole to be matched with the knot in a clamping mode. The annular magnet is internally provided with a blade capable of cutting off the fixing thread on the narrow part of the trapezoid hole. The cow true stomach left deflection operation reset device has the advantages that the right side of the cow abdomen does not need to be incised or threaded with a needle, the trauma of a cow from the operation is greatly reduced, and the left deflection relapsing of the cow true stomach is eradicated.

The invention discloses an Australian freshwater lobster breeding system, and belongs to the technical field of aquaculture. A greenhouse shed support is arranged on the upper side of a lobster breeding pond; film covering adjusting mechanisms are arranged on the two sides of the upper portion of the greenhouse shed support correspondingly; a breeding pond heating boiler is fixedly arranged on a breeding pond base on the outer side of the greenhouse shed support; a heating annular pipe is arranged on the outer side of a heating combustion chamber in the breeding pond heating boiler in a sleeving mode; umbrella-shaped water distributors are fixedly arranged on the two sides of the lobster breeding pond; heating air guide pipes are arranged on the two sides of the end of an air outlet air guide pipe in a communicating mode correspondingly; tooth-shaped heating pipes are horizontally arranged at the ends of the heating air guide pipes in a communicating mode; a plurality of lobster inhabiting mechanisms are evenly arranged in the lobster breeding pond; and a breeding isolation net is vertically arranged in the lobster breeding pond. The system is reasonable in structural design, the water temperature of the lobster breeding pond can be efficiently and evenly increased, the lobster breeding inhabiting space can be effectively increased, the lobster breeding quality and breeding density are improved, and the breeding use requirement is met.

The invention provides a closed-fit multi-parameter monitor fixed and connected by integrated electrode/sensor. The closed-fit multi-parameter monitor fixed and connected by the integrated electrode/sensor comprises the electrode/sensor and the closed-fit monitor. The electrode/sensor comprises an electrode and/or a sensor. The electrode/sensor is combined with a sheet-like material to form an integrated collecting system, wherein the middle of the integrated collecting system is a fixing part, and the periphery of the fixing part is radially provided with a connecting part of the electrode/sensor. One face, combined with a human body, of the connecting part is provided with a self-stick material. The closed-fit monitor comprises a monitor body and a cover cap buttoned with the monitor body. The back face of the closed-fit monitor is provided with a monitoring contact point. The integrated collecting system is correspondingly provided with a collecting contact point connected with themonitoring contact point. The collecting contact point is connected with the electrode/sensor through a lead. The cover cap is detachably connected with the monitor body. The closed-fit multi-parameter monitor is compact in structure, light and handy, convenient and rapid in connecting and fixing, reliable, comfortable in use, and suitable for monitoring a multi-parameter physiological signal fora long time.

The invention discloses a display device for novel media operation. The display device for the novel media operation comprises a first shell, wherein a heat dissipation mechanism is fixedly installedon the inside wall of the shell; a liquid crystal display is arranged on one side of the heat dissipation mechanism, and a second shell is arranged on the front side of the first shell; first threadedholes are all formed in the four corners of the second shell, and fastening mechanisms are arranged between pass grooves and the first threaded holes; and filter screens are both arranged on the twosides of the outside surface of the first shell, one side of each filter screen stretches out to the inner portion of the first shell, and a clamping groove is formed in the other side of each filterscreen. Locking mechanisms are both fixedly arranged on the other two sides of the outside surface of the first shell, second threaded holes are formed in the middle portion of the lower surface of the first shell, and a disassembly mechanism is arranged on the lower side of the first shell. The display device for the novel media operation has the advantages that the numbers of bolts are reduced by arranging the fastening mechanisms in the four corners, the second shell is convenient to disassemble from the first shell, and then the liquid crystal display is convenient to maintain.