78results about How to "Guaranteed to be parallel to each other" patented technology

The invention belongs to the technical field of building construction, and particularly relates to a positioning scaffold for a building wall. The positioning scaffold comprises a bottom plate, wherein two first mounting plates are in sliding fit with the bottom plate; positioning mechanisms are mounted on the outer side surfaces of the first mounting plates and the upper surface of the bottom plate; a first rack and guide rods are horizontally mounted between the first mounting plates; a mounting seat is in sliding fit with the guide rods; a driving wheel is rotationally mounted on the rear end surface of the mounting seat; two limiting blocks are in sliding fit with the front end surface of the mounting seat; second racks and third racks are in sliding fit with the two sides of the limiting blocks; gears are rotationally mounted in the limiting blocks, and knobs and clamping blocks are mounted on the surfaces of the limiting blocks; and limiting plates are mounted at the end parts ofthe second racks and the third racks. When the positioning scaffold for the building wall is used for attaching wallboards to the outer side surface of the building wall, it can be guaranteed that the width and depth of a gap between every two adjacent wallboards are uniform, and therefore the gaps can be fully filled with joint mixtures conveniently.

The invention relates to an air deflector connection rod drive structure, an air supply device and an air conditioner indoor unit. The air deflector connection rod drive structure comprises an air guide assembly, multiple rack connection rods, a drive rod and a drive motor, wherein the air guide assembly comprises multiple air deflectors, the air deflectors are rotationally connected to an air outlet of a shell, the multiple rack connection rods are arranged on one side of the air guide assembly and rotationally connected with the shell, one ends of the multiple rack connection rods are fixedly connected with rotating shafts of the multiple air deflectors in a one-to-one correspondence manner, the drive rod is formed in the manner that multiple connection rods of different lengths are sequentially hinged in an end-to-end manner through pin shafts, the other end of each rack connection rod is hinged to the corresponding pin shaft, the drive rod conducts displacement to enable the air guide assembly to be opened, so that the multiple air deflectors are mutually parallel, the drive rod conducts displacement to enable the air guide assembly to be closed, so that the multiple air deflectors are connected in an one-to-one abutting manner and form an arc structure flush with the side wall at the air outlet of the shell, and the drive motor is connected with one air deflector. By the adoption of the air deflector connection rod drive structure, it can be guaranteed that the operation manner of the air deflectors is not limited by the shape of the air outlet any more, and concentrated air supply of all the air deflectors is achieved.

The invention relates to a single pole assembly tool for an immobilized and encapsulated post terminal and a casting method for the immobilized and encapsulated post terminal. The single pole assembly tool for the immobilized and encapsulated post terminal comprises a wire outgoing base support frame. the wire outgoing base support frame is provided with an upper wire outgoing base positioning structure and a lower wire outgoing base positioning structure, wherein the upper wire outgoing base positioning structure and the lower wire outgoing base positioning structure are used for enabling an upper wire outgoing base and a lower wire outgoing base for the single pole assembly of the immobilized and encapsulated post terminal to meet a preset positional relationship. The single pole assembly tool further comprises a wire outgoing base connecting piece. The wire outgoing base connecting piece is provided with a fixation part fixedly connected with one of the upper wire outgoing base and the lower wire outgoing base, and a positioning part in axial and circumferential location fit with the other one of the upper wire outgoing base and the lower wire outgoing base. By using the above tool, the single-pole assembly of the above immobilized and encapsulated post terminal is prevented from relatively rotating or axially moving to cause the relative position change during the transferring and preheating process. Therefore, the assembling efficiency and the die-filling efficiency of the single-pole assembly of the immobilized and encapsulated post terminal are ensured. Meanwhile, the yield and the production efficiency of the immobilized and encapsulated post terminal are ensured. The cost is lowered.

The invention belongs to the related technical field of structural optimization design, and discloses a level set method for optimal design of a fiber curve laying variable stiffness structure, whichcomprises the following steps of: firstly, setting a series of design points and field center points in a structural design domain, constructing a vector field, and further solving an initial weight coefficient at each field center point; secondly, dividing a structural design domain into limited units, constructing a vector field according to the central points of the units and the central pointof the field, and describing the overall fiber angle layout by utilizing the tangential direction of a parameterized level set function; thirdly, establishing a unit stiffness matrix to solve an overall displacement vector and a target function value, and calculating the sensitivity of a target function about a design variable by taking a weight coefficient as the design variable and minimizing the flexibility as a design target; and secondly, repeatedly iterating after updating the design variable until an optimization termination condition is met. According to the method, the fibers can be parallel to each other, and the situation of fiber overlapping or gaps in the manufacturing process of the optimal structure is avoided.

The invention discloses an inner stopper shaping mechanism and a core rod installation device with the inner stopper shaping mechanism. The inner stopper shaping mechanism comprises a base and an inner stopper shaping cavity arranged at one end of the base. The inner wall of the inner stopper shaping cavity is provided with a spiral inner stopper climbing rail. A shaping bar, a discharging hole and a blocking piece are arranged on the inner stopper climbing rail and are used for ensuring that output inner stoppers are parallel. The axis of any inner stopper is perpendicular to the inner stopper climbing rail, and the larger end of each inner stopper is adjacent to the inner stopper climbing rail. The core rod installation device comprises the inner stopper shaping mechanism, an inner stopper fixing mechanism, a core rod output mechanism and a driving mechanism. By means of the core rod installation device, core rods can be automatically and continuously inserted into the inner stoppers, operation is easy, and the production efficiency is effectively improved.

The invention discloses a vibration resisting small carpentry edge polishing machine. The vibration resisting small carpentry edge polishing machine comprises a working platform. A limiting plate is arranged on one side of the working platform. A plurality of rotary balls are arranged on the limiting plate side by side. An arc opening is formed in the middle of the limiting plate. A rotary polishing head is arranged in the arc opening. A sidesway plate is arranged on the outer side of the limiting plate. The lower end of the sidesway plate is positioned at the working platform through a plurality of pulleys. An L-shaped baffle is arranged on one side of the sidesway plate. Push rods are rotatably connected with the outer side of the baffle. A push block is rotatably connected with the endsof the push rods. The lower end of the push block is connected with the working platform by a linear slide rail. A push air cylinder is connected with one side of the push block. Arc mounting holes are formed in the push block. The arc mounting holes are internally provided with locking assemblies matched with the push rods. The vibration resisting small carpentry edge polishing machine has the characteristics that working stability is high, and the edge polishing effect is excellent.

The invention discloses a tattooing needle comprising a plurality of needle heads and a base. The base is melted with the plurality of needle heads into a whole, and one end of the base far from the needle heads is coated in a plastic needle stem. The invention greatly improves the integrity of the tattooing needle and the whole connection firmness, can effectively prevent the needle heads or the needle stem from loosening and improve the safety degree of the tattooing needle.

The invention relates to a solid-sealed pole monopole assembling tooling and a solid-sealed pole pouring method. Solid-sealed pole monopole assembly and assembly tooling, including the outlet seat support frame, which is equipped with an upper outlet seat for the upper outlet seat and lower outlet seat of the solid-sealed pole monopole assembly to meet the set position relationship. structure and the positioning structure of the lower outlet seat; it also includes an outlet seat connector, the outlet seat connector has a fixing part for being fixedly connected with one of the upper outlet seat and the lower outlet seat and is used for connecting with the upper outlet seat and the lower outlet seat Another positioning part of the seat is positioned and matched in the axial direction and the circumferential direction. The above-mentioned tooling can avoid the relative position change caused by relative rotation or axial movement of the monopolar assembly of the embedded pole during the transfer and preheating process, thereby ensuring the assembly efficiency, molding efficiency and solidity of the monopolar assembly of the embedded pole. The qualified rate and production efficiency of the sealed pole are beneficial to reduce the cost.

The invention discloses an inner stopper shaping mechanism and a core rod installation device with the inner stopper shaping mechanism. The inner stopper shaping mechanism comprises a base and an inner stopper shaping cavity arranged at one end of the base. The inner wall of the inner stopper shaping cavity is provided with a spiral inner stopper climbing rail. A shaping bar, a discharging hole and a blocking piece are arranged on the inner stopper climbing rail and are used for ensuring that output inner stoppers are parallel. The axis of any inner stopper is perpendicular to the inner stopper climbing rail, and the larger end of each inner stopper is adjacent to the inner stopper climbing rail. The core rod installation device comprises the inner stopper shaping mechanism, an inner stopper fixing mechanism, a core rod output mechanism and a driving mechanism. By means of the core rod installation device, core rods can be automatically and continuously inserted into the inner stoppers, operation is easy, and the production efficiency is effectively improved.

The invention belongs to the field of aviation rescue, and relates to jacking equipment for aircrafts, in particular to an axis angle adjustable jacking device for an aircraft and an assembling method of the axis angle adjustable jacking device. The axis angle adjustable jacking device comprises a height adjusting assembly and an angle adjusting assembly, the height adjusting assembly is used for adjusting the horizontal height, and the angle adjusting assembly is used for adjusting the swing angle of a connecting line from bottom to top relative to the horizontal plane; the height adjusting assembly and the angle adjusting assembly both are air bags, the multiple air bags are stacked in the longitudinal direction, the air bag located on the bottom layer is the angle adjusting assembly, and the multiple air bags located on the bottom layer are the height adjusting assembly. The connecting lines of the plurality of air bags from the bottom to the top are positioned in the same straight line; the air bags are arranged in groups, each group comprises a plurality of air bags which are distributed in rows and columns, and the air bags in the same group are uniformly spaced to form air bag layers respectively; and the number of the air bags in each air bag layer from bottom to top is consistent.