10results about How to "Easy assembly and adjustment" patented technology

The invention relates to the technical field of nuclear engineering building structure design, and discloses a floor integrated structure module and a construction method thereof. The reinforcing mesh structure comprises horizontal bars and tie bars, one ends of the tie bars are connected with the bottom plate structure, and the other ends of the tie bars are connected with the horizontal bars; the detachable truss structure comprises detachable truss units and truss connecting assemblies, and the truss connecting assemblies are suitable for connecting every two adjacent detachable truss units; the detachable truss unit comprises an upper chord component and a web component, the upper chord component is arranged on the side, away from the bottom plate structure, of the reinforcing mesh structure, one end of the web component in the first direction is connected with the upper chord component, and the other end of the web component is detachably connected with the first bottom plate and / or the second bottom plate. According to the floor integrated structure module, the construction problem of areas such as large-span floors, limited-space floors and scaffolding-supporting-difficult floors is solved, formwork-free and scaffolding-free supporting is achieved, and the construction efficiency and safety are improved.

The utility model discloses an electronic ceramic tray assembly jig belongs to electronic ceramic tray production technical field, including base, the four corner position department of base all is equipped with the installation bolt, the upper surface welding of base has bottom shell, rotates and installs the pivot no.

The utility model discloses a door and window assembling platform which comprises a movable base, universal pulleys are rotationally connected to three sides of the movable base, an electric telescopic rod is mounted at the top of the movable base, and a supporting bottom frame is fixedly connected to the end, away from the movable base, of the electric telescopic rod. The two sides of the top of the supporting bottom frame are each fixedly connected with a pair of adjusting frames, one side of each adjusting frame is provided with a pair of sliding grooves, the side, away from the right adjusting frame, of the left adjusting frame is fixedly connected with a sliding rod, and the side, away from the left adjusting frame, of the right adjusting frame is rotationally connected with a two-way threaded rod. Compared with an existing door and window assembling platform, the door and window assembling platform has the advantages that the door and window assembling platform can be adjusted and supported according to the models and sizes of doors and windows through design, the height of the assembling platform can be adjusted, the assembling platform can be conveniently moved and used, and practicability is improved.

A tourism cultural and creative commodity display stand facilitating classification comprises a display stand base, a display stand rotating disc, a rotating supporting rod, a display stand supporting rod, a display board and a product introduction displayer. A display stand rotating disc is arranged at the top of the display stand base; the bottom of the display stand rotating disc is connected with a driving motor; the other end of the driving motor is connected with the controller; the top of the display stand rotating disc is connected with a rotating support rod; the rotary supporting rods are connected step by step; a plurality of display stand supporting rods are connected to the side surface of the rotary supporting rod; the display stand supporting rod is respectively connected with a display board and a product introduction display; the display board is connected with the display stand supporting rod through a rotating shaft A; the product introduction display is connected with the display stand supporting rod through a rotating shaft B; the rotating shaft A and the rotating shaft B are arranged in a coaxial staggered structure; the rotating shaft A and the rotating shaft B are independently arranged; a storage cabinet is arranged at the lower part of the display stand base; a cabinet door is arranged at the front end of the storage cabinet; the display stand base is of a cylindrical structure, and comprehensive multi-angle display can be achieved.

The invention discloses a piston driving device for testing the strength of a piston of a piston direct-drive engine, which comprises a box body and a driving motor, the piston direct-drive engine is a double-crest four-cylinder piston direct-drive cam engine, and the driving motor drives four pistons of the engine to reciprocate at a fixed phase difference through an eccentric disc transmission mechanism; the eccentric disc driving mechanism comprises an input shaft, a driven shaft and four eccentric connecting rod transmission structures with the same structure; the eccentric connecting rod transmission structure comprises an eccentric disc, a connecting rod structure and a piston connector, the connecting rod structure sleeves the eccentric disc through a rolling bearing and is connected with one end of the piston connector through a spherical sliding bearing, and the other end of the piston connector is connected to an engine piston; the input shaft and the driven shaft are rotary supporting shafts of the eccentric discs in each eccentric connecting rod transmission structure, and meanwhile the phase difference of all the eccentric discs is limited. During testing, piston working conditions change along with the input rotating speed, and then the strength of the piston is verified. Therefore, the device has the advantages of simple structure, easiness in assembly and adjustment and the like.

The utility model relates to an automatic receiving tray device which comprises a machine table, a track module, a feeding module, a discharging module, a printing module and a carrying table module, the track module is fixed at the upper end of the machine table and extends out of the machine table to form a track extending edge, and the feeding module, the discharging module and the printing module are sequentially arranged above the track module front and back. The carrying table module is arranged in the rail module, and a carrying table in the carrying table module slides back and forth in the rail module along a sliding rail so as to transport the material trays below the feeding module, the printing module and the discharging module. The feeding module and the discharging module are independently arranged above the track module, the track module is installed above the independent machine table to form the independent TRAY disc automatic receiving device, the track module extends out of the machine table to form the extending part, and the extending part can conveniently extend into a burning or testing machine table to take and place chips. And the burning or testing machine is modularly designed, so that the earlier-stage assembly adjustment and the later-stage maintenance work are facilitated.

The invention discloses a crown ether element-based N-heterocyclic carbene ligand, an assembly and a preparation method thereof, and belongs to the technical field of chemical synthesis. The chemical structural formula of the ligand is shown in any one of the formula and the formula, and R is any one of methyl, ethyl, propyl and butyl. According to the present invention, the crown ether base plate is provided, and the imidazolium salt unit is pre-fixed at the specific position and the specific orientation, such that the problem of the synthesis of the N-heterocyclic carbene ligand having the functional base plate is solved, and the accurate and predictable control on the final assembly structure is achieved; according to the present invention, the rigidity of the assembly is enhanced through the coordination of the N-heterocyclic carbene ligand and the metal, and the host-guest interaction of the crown ether and the alkali metal has a certain dynamic reversibility, such that the assembly can be conveniently adjusted through the external stimulation (such as the competitive ion) so as to further prolong the phosphorescence life of the assembly, and the possibility is provided for the development of the stimuli-responsive phosphorescence material; wide application prospects are realized.

The utility model discloses a pressure-resistant packaging carton which comprises a carton body, a carton cover is arranged at the top of the carton body, supporting blocks are arranged at the four corners of the bottom in the carton body, a telescopic rod is arranged between every two adjacent supporting blocks, inserting rods are installed at the tops of the four supporting blocks, supporting rods are inserted into the four inserting rods in a matched mode, and the supporting rods are connected with the telescopic rods in a matched mode. Sliding rods are arranged in the supporting rods in a sliding fit and rotating fit mode, fixing assemblies are arranged between the supporting rods and the sliding rods, and an adjusting rod is arranged between every two adjacent supporting rods. Through the arrangement of the telescopic rod and the adjusting rod, the telescopic rod and the adjusting rod can stretch out and draw back to adjust the directions of the four supporting blocks and the four supporting rods, the positioning pins in the adjusting rod are fixed, and therefore the corresponding size can be adjusted according to needs for supporting use, and follow-up disassembly, storage and repeated utilization are facilitated.

The application provides a high-load fusion reactor filter remote maintenance target plate structure convenient to install and adjust, and belongs to the field of nuclear fusion. The structure comprises a target plate assembly, a connecting assembly, a bearing assembly, a base plate and a connecting pipeline, wherein the target plate assembly, the connecting assembly, the bearing assembly and the connecting pipeline are collectively referred to as a target plate component; the target plate assembly and the bearing assembly are connected through the connecting assembly; the connecting pipeline is connected with the internal flow channels of the target plate assembly and the bearing assembly, and forms a cooling system, and is connected with an upper-stage cooling system through a water inlet pipeline and a water outlet pipeline welded on the bearing assembly and the base plate; the bearing assembly is fixed on the base plate through bolts; and the base plate is fixed on a support component through bolts. A support seat, in which the target plate and the back plate are connected, penetrates the back plate in a radial direction and is fixed to the rear part of the back plate; the combined target plate is in an L shape; the integral bearing assembly is matched with a boss at the bottom of the base plate; the bearing assembly is internally provided with the boss, an adjusting block assembly and a guide groove for fixing and limiting, and the bolts are used as auxiliary fixing.

The utility model belongs to the technical field of raised floors, and particularly relates to an adjustable support for raised floors, which adopts the following scheme that the adjustable support comprises a support, an adjusting sleeve is sleeved on the support, a plurality of groups of limiting grooves are longitudinally arranged on the peripheral side of the support, and a plurality of groups of limiting holes in one-to-one correspondence are also longitudinally arranged on the peripheral side of the adjusting sleeve. The height of the adjusting sleeve can be adjusted according to the actual height requirement, then the limiting pin is inserted into the inserting opening and the limiting groove, the inserting rod is inserted downwards from the inserting hole in the top end of the adjusting sleeve and penetrates through the through hole of the limiting pin, the limiting pin is limited to be disengaged from the limiting hole, and the locking rod is placed downwards from the inserting opening and rotationally inserted into the threaded hole. The supporting table can be rotated to be installed at the top end of the adjusting sleeve until the top end of the locking rod is completely embedded in the inserting opening, adjustment of the support is completed, customized production does not need to be conducted according to the height of the support in advance, machining is convenient, the production cost is reduced, and rapid assembly and adjustment are convenient.