7results about How to "Reduce installation stress" patented technology

The utility model provides a kind of flexible connection PIN needle and assembly combination structure, it is related to semiconductor connecting piece technical field.The bending deformation design of buffer section in the flexible connection PIN needle in the present application can realize needle body absorbing assembly prestress and vibration stress in the direction of PCB and power module connection during assembly process, reduce installation stress and fatigue failure risk, and further guarantee the stability of its connection;The aperture of the inlet of the guide channel in the guider in the assembly combination structure in the present application is greater than the aperture of the interface, compared with the conventional way of directly inserting into the socket of PCB, it ensures that the interface range inserted during the assembly process of insertion section is larger, allows PIN needle and PCB aperture to have larger initial position tolerance during assembly process, reduces assembly difficulty, avoids damage of parts caused by hard contact, and at the same time, support seat and positioning section are arranged to cooperate positioning, ensure the assembly position stability of PIN needle body and provide stable support, improve the stability of assembly and connection.

The invention discloses an unmanned aerial vehicle wing loading, unloading, storage and transportation device, and relates to the technical field of unmanned aerial vehicle transportation. The posture adjusting and butt joint unit is connected with the bearing and fixing unit and used for driving the bearing and fixing unit and the wings on the bearing and fixing unit to conduct multi-degree-of-freedom movement so as to achieve accurate alignment and butt joint between the wings and the unmanned aerial vehicle body; the storage and transportation base body is used for bearing the posture adjusting and butt joint unit and has a moving function; the problems that in the traditional loading and unloading process, labor cost is high, and loading and unloading efficiency is low are solved.

The application designs a high-load high-precision light loading device for solar wing ground assembly, which is composed of a loading assembly and a fine adjustment assembly, the loading assembly includes a loading interface module and a driving module, wherein the loading interface module is installed at the front end of the driving module, the loading interface module is used to ensure that the steel belt in the compression release device is uniformly stressed during loading, and the driving module provides driving force for the whole loading assembly and ensures high-precision loading; the loading assembly is driven by a servo motor, and motion conversion is realized by using a ball screw transmission, and the loading motion is transmitted to the compression release device through a transmission chain, aiming to meet the ground loading demand of single-point accurate loading during the compression assembly of the circular solar wing; the fine adjustment mechanism is used to realize the fine adjustment of the assembly position of the loading device and the target of unloading the gravity of the loading device.

The utility model relates to internal combustion engine accessory technical field, concretely relates to a kind of high-pressure injection oil pipe for track internal combustion engine, including connecting pipe, the outer side surface of both ends of connecting pipe is all thread screw connection and is connected with inner taper nut and bushing, inner taper nut one side surface is fixedly connected with connecting sleeve, connecting sleeve inner side surface is provided with internal thread, the both ends of connecting pipe are all provided with spherical connector, and the communication port for oil passage is set on spherical connector;Connecting pipe specifically adopts low-alloy high-strength cold-drawn seamless steel pipe processing, can be normal work in-60~+180 ℃ high-low temperature environment for a long time, can adapt to a variety of severe environment, with higher service life, simultaneously, the cost of connecting pipe can be greatly reduced, it is favorable to actual popularization, the both ends of connecting pipe adopt spherical connector, the outer surface of spherical connector is spherical surface, compared with traditional oil pipe end portion conical design, better sealing, can effectively prevent oil leakage phenomenon, improve the sealing reliability.

The present application relates to the technical field of box type integrated cold source station, and particularly relates to a box type integrated cold source station convenient for equipment maintenance, which comprises a steel frame and a supporting vertical pole which enclose a space frame body, and a packaging plate and a side door which are installed around the space frame body to complete packaging, and further comprises: a special-shaped sliding rail which comprises two U-shaped clamping plates connected through a bottom plate and having opening ends outward, and a I-shaped rail installed on the inner side of the U-shaped clamping plate; a moving holding part which comprises a moving unit symmetrically installed on the corresponding side I-shaped rail, and a supporting base installed on the top of the two moving units; a locking assembly is installed on one side of the supporting base, and a limiting stop plate is arranged on the other side, and a fastening bolt is threadedly installed on the limiting stop plate; the electric locking assembly and the manual fastening bolt double locking structure are creatively designed, the wedge self-locking effect of the pressing plate locking unit is matched, the special-shaped sliding rail can be firmly positioned, and the reliability of long-term operation and structural locking positioning of the equipment is improved.

The utility model belongs to an equipment belt for a ceiling, which is provided with two structural forms and comprises a mounting plate forming an equipment belt main body, a groove is arranged on the upper surface of the mounting plate and divides the mounting plate into two parts, namely an inner plate in the middle and a flash on the outer ring, the inner plate in one structural form is designed to be concave, a plurality of holes are arranged on the upper surface of the inner plate, and the flash is arranged on the outer ring of the inner plate. The upper surface of the flash is a plane or a texture surface, the bottom surface of the mounting plate is provided with a rail groove and a fixed hanger, and an inclined plane or a vertical plane is arranged at the intersection of the flash and the outer side of the groove. The equipment belt is of an integrated structure, is mainly applied to ceilings of storefronts, and solves the problem that equipment installed on the top ceilings can crack under the natural loss of houses for a long time. When an equipment belt is installed, the keel on any ceiling does not need to be broken, the structural stability and installation performance of the ceiling keel are guaranteed, installation is convenient, and the early-stage installation pressure of constructors is reduced.

The embodiment of the utility model relates to the technical field of vehicles, and discloses a front end frame and a vehicle, and the front end frame comprises a frame body which is installed at the front end of the vehicle; the two supporting parts are arranged on the two opposite sides of the frame body respectively and used for supporting a heater and a cooler of a vehicle respectively, the heater and the cooler of the power battery can be directly fixed to the front end frame through the supporting parts, and compared with the situation that a radiator and the cooler are directly fixed to a chassis, the radiator and the cooler can be directly fixed to the chassis through the supporting parts; the space of the chassis can be saved, and the heater and the cooler can be conveniently installed and maintained.