33results about How to "Speed ​​up the assembly process" patented technology

The invention discloses a Cu-Nb composite wire straightening device which comprises a rack. A paying-off wheel, a first straightening unit, a second straightening unit, a guide wheel and a trailer wagon are installed on the rack in sequence. The paying-off wheel is rotationally installed at the upper end of a paying-off spool shaft. The lower end of the paying-off spool shaft is fixed to the rack. A tension device is fixed to the paying-off spool shaft, wherein the end of the tension device makes contact with the lower end face of the paying-off wheel, and the tension device prevents a Cu-Nb composite wire from being disengaged. The first straightening unit and the second straightening unit are of the same structure. The first straightening unit is horizontally installed, the second straightening unit is vertically installed, the guide wheel is installed at the upper end of a supporting rod, the lower end of the supporting rod is fixed to the rack, a driving device used for driving the trailer wagon to walk is installed on the rack, the rack is provided with a discharging groove and a walking rail used for enabling the trailer wagon to walk, and the discharging groove is located below the walking rail. The Cu-Nb composite wire straightening device can be well applicable to Cu-Nb composite wire straightening, is good in straightening effect, facilitates replacement of straightening components, and is low in using cost.

The invention relates to a novel wind power generation precast concrete tower component seaming structure and method. The structure is characterized by at least comprising a longitudinal seam (1), a transverse seam (2), anchoring steel plates (3), high-strength bolts (4), sleeves (5), fixing bolts (6), fixing nuts (7) and waterproof glue (8), the longitudinal seam (1) and the transverse seam (2) are arranged between wind power generation precast reinforced concrete tower components, the precast reinforced concrete tower components are horizontally provided with the anchoring steel plates (3) extending towards the longitudinal seam (1) respectively, the anchoring steel plates (3) are integrally connected with one end of each high-strength bolt (4), the other end of each high-strength bolt (4) is connected with the corresponding sleeve (5) in a threaded manner, the sleeves (5) on two sides are fixedly connected with the fixing nuts (7) through the fixing bolts (6), the upper and lower precast reinforced concrete tower components are respectively provided with a positioning key groove (9) and a positioning key (10) extending towards the transverse seam (2), and each positioning key groove (9) is bonded with the corresponding positioning key (10) through epoxy resin (11). By the aid of the structure, assembly of the precast components can be accelerated, time is saved, the construction method is simple, and construction is facilitated.

The invention discloses an acoustic device which comprises the components of a sound production unit which radiates sound waves at the front side of a vibrating diaphragm to the outside through a sound outlet; a first closed cavity is formed in the rear side of the vibrating diaphragm; a mounting hole is formed in the cavity wall of the first closed cavity, a flexible deformation part is arrangedon the mounting hole, a second closed cavity is formed in the outer side of the first closed cavity, and sound waves generated by the flexible deformation part during deformation are closed in the second closed cavity through the second closed cavity; a protective cover plate located on the outer side of the flexible deformation part is further arranged on the mounting hole, and an avoiding spaceused for avoiding vibration of the flexible deformation part is formed between the protective cover plate and the flexible deformation part; the protective cover plate is provided with a plurality ofair-permeable micropores, and the area of each air-permeable micropore is smaller than or equal to 0.2 mm < 2 >. According to the acoustic device, the resonant frequency can be effectively reduced, and the low-frequency-band sensitivity of the product is greatly improved on the whole.

The invention relates to a screw multi-channel automatic feeding and installing integrated machine, and belongs to the field of mechanical manufacturing. A spiral type vibration feeder is arranged in a positioning groove of a supporting frame and fixedly connected with a screw separating device in a threaded mode through a groove type spiral feeding rail. A shell of the screw separating device is fixedly connected with the supporting frame on a vertical feeding system through threads. A workpiece clamping and positioning system is fixedly connected with a base through threads. A vertical feeding transmission system is fixedly connected with the base. A screwdriver screwing mechanism is fixedly connected with the vertical feeding transmission system through threads. One ends of spiral conveying channels are fixedly connected with the screw separating device, and the other ends of the spiral conveying channels are fixedly connected with a screw feeding and screwdriver guiding part. The screw multi-channel automatic feeding and installing integrated machine has the advantages that the structure is novel, the accurate and efficient screw automatic feeding, distributing and assembling work can be conducted, the assembling progress is greatly accelerated, and the assembling efficiency of the system is improved.

The present invention provides a fiber-reinforced resin structure having a hole through which a connector for connecting other members is inserted, wherein the fiber-reinforced resin structure is characterized in that the load on the inner surface portion of the hole on which the load from the connector acts The strength is smaller than the fracture strength of the fiber reinforced resin constituting the part of the structure, wherein the load-bearing strength is expressed as, even if the load from the connecting member acting on the inner surface part of the hole does not increase, the inner surface part of the hole The displacement also starts to increase at the stress. Without increasing the number of parts and assembly processes, the structure can exhibit high mechanical properties, and the fiber-reinforced resin structure itself can not be broken, and the impact energy can be absorbed extremely efficiently only through local deformation or displacement and other loads applied from the outside.

The invention discloses an assembled concrete building connection structure, which belongs to the technical field of building structures. The connecting structure includes a first prefabricated component and a second prefabricated component, the end of the first prefabricated component is pre-embedded with a connecting pipe, the second prefabricated component is pre-embedded with a plug-in component that matches the connecting tube, the plug-in component is connected to the The pipe fittings are plugged in, and the plug-in components and the connecting pipes are also fixed as a whole through pouring concrete. The embedded section of the plug-in components includes a tubular shell, a limiter and a perfusion channel. The tubular shell and the perfusion channel are connected by a limiter, and the limiter The fittings are fixed on the inner wall of the tubular shell, the plug-in section is inserted into the connecting pipe fitting, and the embedded section is provided with a concrete pouring port. The connection structure of the present invention is simple in structure and reasonable in design, which improves the overall stability and earthquake resistance of the concrete building; and has low assembly difficulty, without multiple processes such as bolts and welding, which significantly shortens the construction period and reduces construction costs.

The invention discloses an acoustic device, comprising: a sounding unit, the sound waves on the front side of the vibrating diaphragm radiate to the outside through the sound outlet; the rear side of the vibrating diaphragm forms a first airtight cavity, and the first airtight cavity A mounting hole is opened on the wall of the cavity, a flexible deformation part is provided on the mounting hole, a second closed cavity is provided outside the first closed cavity, and the flexible deformed part is arranged in the second closed cavity. The sound wave generated during deformation is sealed in the second airtight cavity; a protective cover plate located outside the flexible deformation part is also provided on the installation hole, and the protective cover plate and the flexible deformation part An avoidance space for avoiding the vibration of the flexible deformation part is formed between them; a plurality of air-permeable micro-holes are opened on the protective cover, and the area of ​​each air-permeable micro-hole is less than or equal to 0.2mm 2 . The acoustic device in the present invention can effectively reduce the resonance frequency, and greatly improve the low-frequency sensitivity of the product as a whole.

The invention relates to a velocity sensor, in particular to an assembled side-outlet flexible-connection velocity sensor which comprises a casing and a closure plate. The casing and the closure plate are combined to form an internal cavity, and a circuit board and flexible connection wires are arranged in the cavity. A boss is horizontally arranged at the position, close to the top surface of the casing, of one side surface of the casing, and is provided with a metal joint horizontally. A cable connected with the circuit board penetrates the metal joint to extend out of the cavity. A sealing rubber sheath is arranged between the inner side of the metal joint and the cable. A probe is mounted at the bottom of the casing and is connected with the circuit board through the flexible connection wires. A sealing pad is sandwiched between the casing and the closure plate. A manufacturing method of the velocity sensor is optimized by means of structural modification, and the technical problems of incapability of reuse and difficulty in repairing when the velocity sensor is in fault are solved.

The invention discloses a Cu-Nb composite wire straightening device which comprises a rack. A paying-off wheel, a first straightening unit, a second straightening unit, a guide wheel and a trailer wagon are installed on the rack in sequence. The paying-off wheel is rotationally installed at the upper end of a paying-off spool shaft. The lower end of the paying-off spool shaft is fixed to the rack. A tension device is fixed to the paying-off spool shaft, wherein the end of the tension device makes contact with the lower end face of the paying-off wheel, and the tension device prevents a Cu-Nb composite wire from being disengaged. The first straightening unit and the second straightening unit are of the same structure. The first straightening unit is horizontally installed, the second straightening unit is vertically installed, the guide wheel is installed at the upper end of a supporting rod, the lower end of the supporting rod is fixed to the rack, a driving device used for driving the trailer wagon to walk is installed on the rack, the rack is provided with a discharging groove and a walking rail used for enabling the trailer wagon to walk, and the discharging groove is located below the walking rail. The Cu-Nb composite wire straightening device can be well applicable to Cu-Nb composite wire straightening, is good in straightening effect, facilitates replacement of straightening components, and is low in using cost.

The invention discloses a wafer having a radiating structure, consisting of a wafer and multiple metal radiating parts. The wafer is provided with an active surface and a back surface opposite to theactive surface, wherein the back surface is provided with multiple dead holes. The multiple metal radiating parts are embedded into the head holes, and the metal radiating parts protrude from the backsurface of the wafer.

The invention discloses a backlight module, which comprises a plurality of lamp tubes, a first circuit board and a second circuit board. Each lamp has a first electrode and a second electrode. The first circuit board has a plurality of first openings and first conductive clips, wherein the first electrode passes through the first holes and is clamped by the first conductive clips. In addition, a plurality of lamp current adjustment elements are arranged on the first circuit board, and the current adjustment elements are electrically connected to the first electrode through the first conductive clip. In the above-mentioned backlight module, using the first conductive clip or the clamping pin of the current adjustment element to fix the electrode of the lamp tube helps to speed up the assembly process of the backlight module.

The object of the present invention is to provide a low cost made weighing scale with an incline inhibiting section. The weighing scale includes a scale body (2) with a horse block (21), four feet (31-34), incline inhibiting sections (41-44), as well as show an operation section (5) with a display section. The feet (31-34) include a cylinder (6) and a sensor load-carrying part (7) with a surface abutting section (72). The incline inhibiting sections (41-44) are respectively extending from the cylinder (6) and sensor load-carrying part (7) of the feet (31-34), and are provided below a protruding section (21a) protruding from lines connecting the adjacent surface abutting section (72) on the horse block towards one side of the peripheral.