13results about How to "Add limit function" patented technology

The application relates to a limiting device in the climbing process of a bridge high-pier climbing frame; the limiting device comprises a plurality of bearers, the bearers are rotationally connected on a middle platform of the climbing frame respectively, each bearer is perpendicular to the facade of the bridge high-pier, at least one roller is arranged on the side of the bearer close to the bridge high-pier, the roller is preferably a universal roller, the bearer is rotationally connected with the middle platform through a turnover mechanism, the bearer is fixedly connected with the turnover mechanism, the angle change between the bearer and the middle platform is realized through the movement of the turnover mechanism, and the bearers are arranged on the four edges of the middle platform; the application realizes the limiting effect of the climbing frame in the X and Y directions in the horizontal direction, strengthens the limiting function of the climbing frame, and guarantees the construction safety and construction quality.

The utility model discloses a rolling mill guide mechanism, which belongs to the technical field of rolling mill guide and is characterized in that an extension table is mounted at a port of a mounting table, a plurality of sliding grooves are formed in the end face of the extension table, an adjusting rod is inserted into each sliding groove, a roller is mounted on each adjusting rod through a limiting nut, and the adjusting rods are fixed on the extension table through other limiting nuts. And the two rows of rollers clamp an object to be processed. According to the rolling mill guiding device, the first guiding roller, the second guiding roller and the third guiding roller are elaborately arranged, stable and uniform guiding force is provided for objects to be machined, and it is guaranteed that the advancing direction and posture of the objects are always accurate in the machining process. In addition, the limiting function of the guide device is enhanced through cooperative work of the extension plate table and the roller. The position of the roller is flexibly adjusted in the sliding groove of the extending plate table through the adjusting rod so as to adapt to objects to be machined of different widths. By means of the design, the two rows of rollers can tightly clamp objects, and the deviation or shaking phenomenon in the machining process is effectively prevented.

The utility model belongs to the seedling planting technical field, especially for a kind of drought-resistant water-collecting water-retaining device for seedling planting, including liquid storage cylinder, the upper surface of liquid storage cylinder is open structure, the lower side wall of liquid storage cylinder is fixedly installed with round sleeve, and the upper and lower side of round sleeve are all open structure, the lower side wall of liquid storage cylinder is evenly provided with liquid distribution mechanism along round sleeve, the inner wall of liquid storage cylinder and the outer surface of round sleeve are fixedly installed with baffle, liquid-collecting mechanism is arranged on the baffle near left and right positions, and the left and right side walls of baffle are fixedly installed with limiting mechanism on the upper side of baffle;The utility model is collected and preserved to water by liquid storage cylinder, reduces soil moisture loss at seedling, and the root system of seedling is drip irrigation by liquid distribution mechanism, ensures that water can meet the growth demand of seedling, increases the limiting function to seedling simultaneously, so that seedling is not easy to dump, improves the survival rate of seedling.

The utility model relates to an adjustable support device for bridge construction belongs to bridge construction support technical field, that adjustable support device for bridge construction, include: base, motor, transmission wheel, limit component, limit frame, support frame and support plate, two transmission wheels mutually far apart's one side respectively with two support frame's outer wall meshing connection, wherein one transmission wheel and the one side output of motor have sprocket meshing connection through chain, the motor drives sprocket rotation through coupling, two sprockets are fixed at the output of motor and the axle core rod surface of one transmission wheel respectively, and transmission is driven between two sprockets through chain, and two rotating transmission wheels drive support frame lifting through meshing toothed plate, and the top of two support frames supports support plate, is used for changing the support height of support plate, and the support height of bridge parts is conveniently adjusted, increases the installation efficiency of bridge parts in the installation process.

The utility model discloses a slitting device for waterproof double faced adhesive tape production, which comprises a base, the left part and the right part of the lower end of the base are respectively and fixedly provided with a group of supporting legs, the two groups of supporting legs are distributed in bilateral symmetry, each group comprises two supporting legs, and the left part of the upper end of the base is fixedly provided with a connecting frame; a mounting frame is fixedly mounted on the right portion of the upper end of the base. According to the slitting device for waterproof double-faced adhesive tape production, the first hydraulic cylinder is arranged and drives the first push rod and the connecting plate to move downwards, the connecting block and the limiting rod are driven by the connecting plate to move downwards, and the double-faced adhesive tape is fixed to the support under pressing of the limiting rod; therefore, the limiting function of the double-faced adhesive tape is enhanced; by arranging the motor and the mounting frame, the motor drives the rotating column and the main wheel to rotate, then the main wheel drives the auxiliary wheel and the winding roller to rotate, and under the rotation of the winding roller, the winding function of the double-sided adhesive tape can be enhanced.

The present invention provides an assembled road, which takes the structural layer and joints of the pavement structure as the research object, forms a comprehensive and complete set of assembled road technical solutions, solves the diseases that occur in traditional road projects, and the surface layer has the characteristics of recycling and reuse. An assembled road is provided, including: a base layer, which is arranged on the top of the roadbed; a supporting anchor with anchor bars embedded therein, which is arranged along the width direction of the base layer; a buffer plate, which is fitted with the top surface of the supporting anchor after the anchor bars pass through it; a prefabricated plate, which is provided with anchor holes that match the anchor bars; the prefabricated plate is provided with force-transmitting steel bars and steel pipes on the opposite side end faces along the width direction of the prefabricated plate; the side end faces of the prefabricated plate along the length direction are provided with an opening on one side, and two adjacent prefabricated plates are fitted, and the openings on both sides are correspondingly spliced, and a pull rod is provided inside. The present invention also discloses a construction method for an assembled road.

The utility model discloses a human body supporting piece. The device comprises a supporting piece and a functional assembly, the upper side of the supporting piece is provided with an inwards-concave arc-shaped contact face, protruding wing parts are formed on the left side and the right side of the supporting piece, the arc-shaped contact face extends from top to bottom at a preset inclination and forms a tongue part extending forwards, the side face of the supporting piece is provided with an installation cavity, and the installation cavity is communicated with the supporting piece. And the functional main body is mounted in the mounting cavity.

The utility model relates to the field of construction joints, in particular to a staggered joint type joint structure. A rubber waterstop is located in the center of the pouring structure, the splicing position of the single-side pouring structure is arranged to be an oblique groove, a protruding staggered joint is arranged in the full-length range of a joint and deflects by a certain angle relative to the horizontal plane, the deflection angles of the staggered joints on the two sides of the pouring structure are opposite, and the staggered joints of the pouring structures on the two sides are complementary. The joint structure can limit the displacement difference in the vertical direction and the normal direction, and water leakage of a construction joint is prevented.

The utility model discloses an instrument and apparatus repairing device with a limiting structure, and relates to the technical field of instruments and apparatuses, the instrument and apparatus repairing device comprises a repairing frame and a magnetic attraction supporting column, the magnetic attraction supporting column is arranged at the bottom end of the repairing frame, a magnifying lens is arranged on the inner side of the repairing frame, a track is sleeved on the outer side of the magnifying lens, and the limiting structure is arranged on the track. According to the instrument and meter repairing device with the limiting structure, the movable sleeve moves on the outer side of the track, an operator clamps an instrument needing to be repaired in a clamping groove of the movable sleeve, when the instrument needs to be stopped, the fixed-point telescopic strip is pulled, and the instrument needs to be repaired. And through the arrangement that the fixed-point telescopic strip is inserted into the lantern ring, an operator can move the repairing device according to the specific repairing position, and the flexibility of the repairing device and the limiting function of the repairing device are greatly promoted.

The invention discloses a modular combined type telescopic limiting bolt structure and an automobile door, the modular combined type telescopic limiting bolt structure comprises a modular shell, a bolt module, an operation handle and a positioning module, and the bolt module is arranged in the modular shell in a sliding mode; the bolt module has a first state in which one end extends out of the modular shell and a second state in which the bolt module retracts into the modular shell; the operating handle is rotationally connected with the modular shell and is connected with the bolt module through a rocker arm, so that the rotary motion of the operating handle is converted into the linear motion of the bolt module through the rocker arm, and the bolt module moves between a first state and a second state; the positioning module is used for being connected with the bolt module so as to lock the bolt module in a first state or a second state; the installation space of the limiting plug pin is greatly saved, the safety performance is obviously improved, the installation effect is more attractive, the man-machine operation comfort is better, the open installation and concealed installation functions can be achieved, and application scenes are rich.

The battery pack positioning structure comprises a mounting frame, a cover plate is connected to the upper end of the mounting frame in a clamped mode, a limiting plate is movably installed on the upper portion of the front end of the mounting frame in a penetrating and inserting mode, connecting grooves are formed in the left side and the right side of the interior of the mounting frame respectively, and a group of mounting holes are formed in the left portion and the right portion of the upper end of the mounting frame respectively. Baffles are clamped in the two connecting grooves, and a plurality of connecting holes are formed in the rear side of the interior of the mounting frame. According to the positioning structure of the battery pack, the mounting frame and the cover plate are arranged, so that the protection function of the battery body can be enhanced; by arranging the limiting plates, clamping the baffles in the connecting grooves, placing the battery body between the two baffles, and enabling the limiting plates to penetrate through the clamping grooves and the limiting columns and to be movably connected in the connecting holes in a penetrating manner, the limiting function of the battery body can be enhanced by limiting the battery body through the limiting plates and the baffles; and the deviation phenomenon of the battery body can be avoided.

The utility model relates to the technical field of energy-saving sockets, and discloses an intelligent controllable energy-saving socket which comprises an energy-saving socket body, a protective cover is movably installed on the outer side of the energy-saving socket body, strip-shaped grooves are longitudinally formed in the left side edge and the right side edge of the energy-saving socket body respectively, and elastic limiting pieces are installed on the left side edge and the right side edge of the protective cover respectively. The telescopic ends of the elastic limiting pieces are attached to the groove walls of the strip-shaped grooves, clamping grooves corresponding to the telescopic ends of the elastic limiting pieces are formed in the groove walls of the strip-shaped grooves in the two sides, and threaded holes are transversely formed in the left side wall and the right side wall of the protection cover. The protection cover can be limited at the position of the energy-saving socket body by combining the strip-shaped grooves formed in the left side edge and the right side edge of the energy-saving socket body with the side ends of the elastic limiting pieces on the left side edge and the right side edge of the protection cover, so that the energy-saving socket body can be wrapped inside; and when the socket is not used, water vapor or dust can be prevented from entering from the jacks through the sealing of the protective cover, so that internal elements can be prevented from being damaged.