8results about How to "Guaranteed connection accuracy" patented technology

The utility model relates to antenna test technical field, concretely relates to a kind of high-precision antenna test scanning frame horizontal shaft, guide slide rail and multiple horizontal sections that are connected in order, the structure of scanning frame horizontal shaft is optimized, so that guide slide rail can be connected with multiple horizontal sections that are spliced in order, so that the high-precision machining equipment of existing can carry out high-precision machining to horizontal section and docking reference structure, to ensure the precision of multiple horizontal sections that are connected in order, while ensuring the precision of connection between guide rail, realize the high-precision machining demand of scanning frame horizontal shaft of different length, simple structure meets the machining and detection precision requirement of large, super large scanning frame horizontal shaft, reduce machining difficulty and machining cost, convenient dismounting and transportation, while it can realize the high-precision use demand of scanning frame horizontal shaft, improve production efficiency, ensure that antenna detection is accurate and reliable.

The utility model discloses a scaffold steel pipe fast safe fixing device relates to the field of building engineering technology, the utility model discloses a vertical rod and cross bar, and the cross bar top is passed through and has the latch, and the latch top is connected with the expansion board, and the cross bar top one side is connected with the top frame, and the top frame bottom both sides all are fixed with the reinforcing plate, the utility model discloses the setting of expansion board has effectively increased the hammering stress area of several times latch top, has reduced the construction personnel hammering deviation probability greatly, this not only reduces the invalid operation time, promotes the installation efficiency, also avoided the component deformation and coating damage caused by hammering vertical rod or disc, reduced the later maintenance cost, guaranteed the node connection accuracy simultaneously, strengthened the security of scaffold overall structure, convenient with the knock of latch, reduce the hammering deviation phenomenon to occur.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

This utility model provides a combined tool holder using an NT50 to Capto C5 converter, comprising an NT50 tool holder, a connecting plate, and a Capto C5 tool holder. The connecting plate has a first inner hole and a second inner hole. One end of the NT50 tool holder is used to simultaneously engage with the inner conical surface and end face of the spindle of a CNC turning and boring machine. The other end of the NT50 tool holder is fixedly connected to the connecting plate by multiple first bolts. The Capto C5 tool holder is fixedly connected to the connecting plate by multiple screws. The Capto C5 tool holder includes a core sleeve, which is inserted into the second inner hole and interference-fitted with it. The inner wall of the core sleeve is triangularly conical, with the edges of the triangularly conical cone evenly distributed circumferentially and forming arcs. A second bolt for fixing the tool is threaded into the second inner hole. This utility model can achieve a tool change time of less than 2 minutes, a tool change repeatability accuracy of less than 0.005 mm, excellent connection rigidity, and can achieve cutting operations with a length-to-diameter ratio of 5, meeting the requirements of cutting operations.

This utility model discloses a hanging device for LED screen modules, including: an LED screen module and a hanging device; a plurality of hooks are provided on the top of the hanging device; a positioning post is provided on the top of the LED screen module, and a positioning hole is provided in the middle of the positioning post; a connection hole corresponding to the positioning post is provided on the bottom of the hanging device; and a locking mechanism for detachably connecting with the LED screen module is also provided on the hanging device. Compared with traditional LED screen module hanging devices that connect the hanging device and the LED screen module through a plurality of nuts, this LED screen module hanging device allows for convenient and quick installation and disassembly of the hanging device and the LED screen module, reducing the difficulty of operation, reducing labor intensity, and improving work efficiency; and the locking mechanism connects with the positioning hole in the locked state, so that the positioning hole and the locking mechanism can achieve precise positioning in the locked state, ensuring the connection accuracy between the LED screen module and the hanging device, and improving the stability and reliability of the connection.

The utility model discloses an assembly type building energy-saving structure which comprises a wallboard and a building keel, curtain wall corner connectors are fixed to the back face of the wallboard at equal intervals, and a threaded hole and a positioning groove are formed in the top and the right side of the building keel respectively. A positioning rod is fixedly connected to the side, away from the wall plate, of the curtain wall corner brace, and a fixing hole is formed in the positioning rod. According to the fabricated building energy-saving structure, the wallboards are inserted into the positioning grooves in the building keels through the positioning rods on the curtain wall corner connectors, rapid butt joint installation of the wallboards and the building keels is achieved, then the fixing bolts are screwed into the threaded holes through tools, meanwhile, the fixing bolts penetrate through the fixing holes in the positioning rods, and the fixing holes are limited and fixed; meanwhile, the head of the fixing bolt is matched with the nut, axial limiting is formed on the positioning rod, meanwhile, the wall plate, the curtain wall corner connector and the building keel are firmly locked into a whole, and therefore the installation efficiency can be remarkably improved, and the connection precision can be ensured.

This utility model discloses an installation device for corrosion-resistant steel structures, relating to the field of steel structure technology. It includes steel structure A and steel structure B, with protective covers fitted onto both structures. The steel structures A and B are fixed to the protective covers by fixing bolts. A protective shell is also provided on the side wall of the protective cover, covering the outside of the fixing bolts. A locking component is provided on the protective shell, which is then fixed to the protective cover. This utility model provides overall protection for the steel structure connection points with the protective cover and a second sealing strip, reducing the impact of the external environment. The protective shell, combined with the first sealing strip, individually protects the fixing bolts. This double-sealing structure effectively prevents corrosion from rainwater and other sources, significantly reducing the risk of rust on the steel structure and bolts, significantly improving the corrosion resistance of the steel structure, and extending its service life.