32results about How to "To connect" patented technology

The invention discloses a tourist attraction guard bar, and particularly relates to the technical field of guard bars. The tourist attraction guard bar comprises a sliding sleeve, a sliding rod penetrates into the sliding sleeve, a fixing block is arranged on the top of the sliding sleeve, the top of the sliding sleeve is fixedly connected with the bottom of the fixing block, the sliding rod penetrates into the fixing block, the fixing block is detachably connected with the sliding rod through a screw, and the bottom of the sliding sleeve is provided with a base. By arranging the sliding rod at the bottom of a second transverse rod, when the device is in use, the base is fixed, and the device is additionally connected according to the needs. When the device is additionally connected, one end of the second transverse rod and a clamping block are clamped, so that a connecting effect is achieved. When the height of the device needs to be adjusted, the screw is screwed off, the second transverse plate is pulled up or pressed, the sliding rod can move up and down on the sliding sleeve, and through a slider, the sliding rod cannot be separated from the sliding sleeve when moving in the sliding sleeve; when the height is well adjusted, the screw is screwed up, and a first transverse rod can make the device more stable.

The invention provides a floating winding device and a winding method thereof. A method that the winding device floats along with a core rod is used, a central line approaching state is reached through a deviation rectification apparatus, large deviation of the core rod of a hose is achieved through hinge connection on the premise that an opening mechanism approaches to the center of the winding device to follow the center of the core rod to move, deviation of the core rod of the hose in the circumferential direction can be solved through deformation of an elastic support mechanism, an opening and a spline disc are moved along with the core rod through butt joint positioning of a steel wire rope and a spline disc mechanism during operation, and accordingly, the opening and the spline disc mechanism share a same central position with the core rod of the hose. By means of the floating winding device and the winding method thereof, uneven winding of steel wires or steel wire ropes caused by bending and gravity sinking of the core rod of prior fixed winding methods and devices is overcome, surface layouts of the steel wires or steel wire ropes are improved, and the anti-blasting capacity of the hose is improved.

The invention relates to bait added with vegetable fiber and a preparation method thereof. The bait added with vegetable fiber comprises the raw materials of traditional bait and vegetable fiber. The traditional bait consists of raw materials and additives, wherein the raw materials comprise seeds, bran, dregs and animal proteins; and the additives comprise oxidants, mildew preventives, adhesives, coloring agents, flavoring agents and food attractants. The plant fiber is a mixture containing one or two of wood fiber and grass fiber. The wood fiber and the grass fiber can be uniformly distributed in the fishing bait, can achieve the effects of connection, cracking resistance, strength enhancing and bait atomizing improvement, and does not cause environmental pollution; and the bait is ideal for fishermen.

The invention relates to a vertical welding device for galvanized sheets, which aims to solve the problem of inconvenient operation in the welding of existing galvanized sheets, including a support plate, No. The switch and observation hole, the galvanized plate placement hole is opened horizontally on the support plate, the front end and the rear end of the support plate are provided with a welding hole, and the No. On the top plate of the support plate, the observation hole and the galvanized plate placement hole are set through. A photoelectric switch is arranged above the center of the observation hole. The photoelectric switch is set on the No. 1 U-shaped plate, and the No. 1 U-shaped plate is connected to the On the top wall; in the present invention, by adding the combined structure of the support plate and the galvanized plate placement hole, the setting of the combined structure can be used to play a supporting role when the galvanized plate is welded, so that it can be installed , can accurately align the position of the two galvanized sheets, so as to achieve the effect of fast and efficient work.

The invention discloses a pipeline connection device for water conservancy projects and its use method. Although the existing technology can reduce the labor intensity of the staff and shorten the connection or disassembly process of the pipeline by the staff, it cannot solve the problem of scale spreading on the outer wall of the pipeline. , Impurities and welding rust, the outer wall of the pipeline cannot be scraped, adsorbed and wiped clean, and the safety of the installation workers and the characteristics of convenient installation cannot be guaranteed when installing the pipeline. Through the mechanical cooperation between the connecting mechanism and the driving mechanism, the present invention absorbs and cleans the scale, impurities and welding rust all over the outer wall of the pipeline, so as to ensure the safety of workers when installing the pipeline and to facilitate installation.

A method for constructing an LED filament lamp and the LED filament lamp. A lamp bulb housing (101) and a lamp holder (108) are disposed outside an LED light source core assembly, and the LED light source core assembly is connected to the lamp holder (108) by means of a wire, so as to form an LED filament lamp. The LED light source core assembly consists of an LED filament set (420), a built-in LED driving power supply module (410), and wiring terminals (44). Two ends of the LED filament set (420) are connected to fixed welding points of the built-in LED driving power supply module (410) by means of the wiring terminals (44) playing a supporting role; or, serial-connection points of the LED filament set (420) are also connected to the fixed welding points of the built-in LED driving power supply module (410) by means of the wiring terminals (44) playing the supporting role. The construction complexity of the LED filament lamp is reduced; When LED filament lamps of different typical forward voltage grade requirements are constructed by means of non-voltage-reduction rectifying power supply under different mains supply voltage grades, an LED filament can have higher universality and interchangeability.

A super-long prestressed reinforcement traction locker comprises a restraint device and a nut. The restraint device is composed of a conical part and a tail part integrally. The conical part is of a truncated cone structure, a reinforcement penetrating hole is formed in the axial center of a conical tip of the front portion of the conical part, a tendon arrangement hole is formed in the axial center of the rear portion of the conical part and communicated with the reinforcement penetrating hole, and the diameter of the tendon arrangement hole is larger than that of the reinforcement penetrating hole. The tail part is composed of a plurality of arc pieces, one end of each arc piece is connected to the edge of the tendon arrangement hole formed in the rear end face of the conical part, and the arc pieces define a plurality of rounds with gaps. Moreover, threads are formed on the peripheral surface of each arc piece. The nut is in threaded connection with the peripheral surface of the tail part. The super-long prestressed reinforcement traction locker has the beneficial effects that the inner diameter of the outer end of the tail part can be decreased through rotation of the nut, so that great restraint force is exerted on embedded reinforcements and prestressed tendons, and a connection effect is achieved; the conical part is of the truncated cone structure, resistance between the super-long prestressed reinforcement traction locker and a corrugated pipe can be reduced, and the prestressed tendons can be pulled conveniently; after traction is completed, cutting is not needed, and only the nut needs to be unfastened.

The present invention belongs to the field of new polymer material, and discloses one kind of nanometer modified high performance acrylic acid size and its preparation process. The acrylic acid size is prepared with nanometer level titania powder, acrylic acid, acrylamide acrylonitrile and butyl acrylate as main synthesized material, oleic acid as modifier and ammonium sulfate as initiator. Owing to the nanometer material with reinforcing effect, wear resistance and high permeability, and the acrylic acid monomer with functional group similar to that in fabric fiber structure, the size has excellent permeating and coating performance and high adhesion, forms complete, antiwear, tough and elastic size film, and may be used in sizing fabric of cotton, Dacron, etc. including fabric warp with high density and high weaving difficulty.