39results about How to "Avoid assembly difficulties" patented technology

The invention discloses a permanent magnet synchronous motor for a hoisting mechanism of a direct-drive crane; the permanent magnet synchronous motor comprises a permanent magnet synchronous motor shell, a stator winding, a stator iron core, a permanent magnet, a rotor, a winding drum revolving shaft and a winding drum; and the permanent magnet synchronous motor has more than 20 poles. In the invention, by increasing the number of the poles of the permanent magnet motor, a variable-frequency power source is adopted to realize low-speed operation of the motor, high torque is output, the motor directly drives the load to work, a speed reducer is canceled, the structure is simple and practical, and the working efficiency of the system is improved; a rotor structure adopted by the invention can effectively solve the problem of difficult assembly of the permanent magnet motor; rotor magnetic poles and magnetic separation steel rings commonly protect the permanent magnet from being damaged when in assembly; reluctance torque is reduced to be zero in the installation process, the installation difficulty is reduced, and requirements and dependence to installation tools (special mounting equipment) is reduced, and the quality of the rotor and the complexity of the rotor structure are greatly reduced.

An automotive HVAC unit with a dividing wall comprising 3 dimensional dividing wall contour is provided. Connectors and/or fixation devices are used on the dividing wall so that the wall, along with the main housing wall, forms an air tight seal at an area of connection of the dividing wall and the housing.

An integral dividing wall connector allows other main housing and/or dividing wall connectors to further stabilize and/or enhance the seal between housing and wall parts by use of various fixation devices or attachment means, such as snaps, screws, or clips.

The invention relates to the technical field of the communication. Optical fiber device detection equipment comprises a rack and a feeding device, a feeding manipulator device, a before-detection analysis module, an optical fiber device performance detection module, a protective cap mounting device, a stepping conveying device, a foldable manipulator placing device and a blanking device which arearranged on the rack; the feeding device is joined with the before-detection analysis module through the feeding manipulator device; the before-detection analysis module, the optical fiber device performance detection module and the protective cap mounting device are orderly joined; the location of the stepping conveying device is corresponding to the before-detection analysis module, the opticalfiber device performance detection module and the protective cap mounting device; and the protective cap mounting device is joined with the blanking device through the foldable manipulator placing device. The optical fiber device detection equipment has the advantages of being high in automation degree, high in working efficiency, high in finished product yield and extensive in testing range.

The invention relates to a high-accuracy heavy load composite bearing, which comprises a main axle, an inner taper rolling bearing, a pushing bearing, an end cover, an axially static bearing, a radial static bearing and an elastomer, wherein two ends of front axial should of main axle are mounted with axial static bearing and radial static bearing which are connected and fixed inside the front support of main axle box via the axial static bearing; the back end of main axle is mounted with inner taper rolling bearing, pushing bearing; the back end of pushing bearing via the elastomer is axially connected to the end cover; the end cover is fixed with the back support of main axle box. The inventive bearing system has high support ability, high rotation accuracy, which can support the 20t work piece to be grinded.

The invention discloses a gauge board beam installation component which consists of a left installation component used to install the gauge board beam to the weld assembly of the left front side plate, and a right installation component used to install the gauge board beam to the weld assembly of the right front side plate. The right installation component comprises a U-shape right mounting bracket of the beam with flanged edges on both sides and a U-shape reinforcing plate with flanged edges on both sides set between the weld assembly of the right front side plate and the right internal plate. The right mounting bracket of the beam is fixed with the gauge board beam along X direction. Both sides of the weld assembly of the right front side plate are respectively fixed with the right mounting bracket of the beam and the U-shape reinforcing plate. The other side of the U-shape reinforcing plate is fixed with the right internal plate. The gauge board beam installation component has a simple structure and can be installed conveniently. Besides, the installation component also has enough rigidity and a high mode, and can prevent the steering wheel and gauge board from shaking at a low speed.

A frame with a mounting ear, a display device using the frame and a method of manufacture thereof are provided. The frame includes a frame body and a mounting ear. The frame body has a top frame and a sidewall extending from an edge of the frame top frame. A tap hole is formed on the frame body, and the ear passes through the tap hole to connect with an inner surface of the sidewall. Besides the frame, the display device further includes a display panel module. The display panel module is disposed inside the frame and outwardly displays images via a transparent area enclosed by the frame.

The invention provides a novel wind ring assembly of an automobile engine. The novel wind ring assembly comprises a wind ring, and an open type pressing rivet structure is formed in the axle journal of the wind ring. The open type pressing rivet structure is stressed after a rubber ring is arranged into the open type pressing rivet structure, and an opening of the open type pressing rivet structure is contracted to clamp the rubber ring and the wind ring assembly is formed. The rubber ring is extended in the axial direction to form a horn mouth. A thickness sudden-change structure is arranged on the connecting section between an extended part of the rubber ring in the axial direction and a wind cover, and the rubber ring can be freely turned and folded. The opening angle alpha of the horn mouth is 10-50 degree. According to the novel wind ring assembly, the open type pressing rivet structure is formed in the axle journal of the wind ring, the open type pressing rivet structure is pressed after the rubber ring is arranged into the open type pressing rivet structure, and the opening of the open type pressing rivet structure is contracted to clamp the rubber ring and the wind ring assembly is formed, the rubber ring is extended in the axial direction to form the horn mouth, the thickness sudden-change structure is arranged on the connecting piece between the extended part of the rubber ring in the axial direction and the wind cover, and the rubber ring can be in the state of being freely turned and folded, so that the axial dimension, namely the total length, of the wind ring assembly is reduced.

The invention relates to an external opening handle support mounting pre-hanging structure. The structure comprises a vehicle door outer plate and a handle support and is characterized by further comprising a pre-hanging rubber mat. A front matching hole and a rear matching hole are formed in the vehicle door outer plate. The handle support is provided with a through hole corresponding to the front matching hole, a limiting part is arranged on the portion, close to the through hole, of the handle support, clamping feet are arranged on the rear end of the handle support, the pre-hanging rubber mat is in fit connection with the limiting part of the handle support, the edge portion, close to the front matching hole, of the vehicle door outer plate is clamped between the pre-hanging rubber mat and the matching portion of the handle support, and the clamping feet penetrate through the rear matching hole to be matched with the edge portion, close to the rear matching hole, on the vehicle door outer plate. Mounting pre-hanging of the handle support on the vehicle door outer plate can be effectively achieved, assembling of the handle support is facilitated, the problems of difficult assembling, poor assembling and the like caused by insufficient metal plate manufacturing precision can be effectively avoided, assembling efficiency is improved, the abnormal sound generated between the mounting bolt and the vehicle door outer plate and the handle support can be avoided, and the use comfort of a user can be improved.

The invention relates to a motor stator and shell installation structure designed with spray bars and a design method for a spray bar. Compared with the prior art, the deficiency that the motor stator and shell installation structure cannot meet actual use requirements is solved. An annular bump A and an annular bump B are respectively arranged at two ends parts of the inner surface of the shell, the inner diameter of the shell positioned at the annular bump A is less than that of the shell positioned at the annular bump B, a plurality of grooves are arranged on the inner surface of the shell between the annular bump A and the annular bump B at equal intervals, and the grooves are parallel to the axial direction of the shell; the spray bars are placed in the grooves, an oil nozzle is arranged at one end of each spray bar, while an oil intake hose is connected with the other end of the spray bar, the oil intake hoses are connected with a right oil intake pipe via an oil intake tap, the spraying directions of the oil nozzles face to a winding at the end part of a stator iron core. According to the structure provided by the invention, the design method for an oil-cooling motor structure and the assembly technology of the stator shell are greatly simplified.

The invention discloses a flanged connection structure. The flanged connection structure comprises an inner flange plate and an outer flange plate, and the horizontal circular plate face of the inner flange plate and the horizontal circular plate face of the outer flange plate are respectively used for being connected with a cylinder. The inner flange plate is inserted into the outer flange plate, the outer side wall of the inner flange plate and the inner side wall of the outer flange plate on the insertion portion intersect, a rectangular groove is formed in the intersection position, the rectangular groove is divided into multiple segments, and a wedge-shaped strip inserting opening is formed in the segment, between every two adjacent segments, of the inner flange plate; the flanged connection structure further comprises a plurality of sets of wedge-shaped strips, the number of the sets is equal to the number of the segments of the rectangular groove, each set of wedge-shaped strips is composed of one upper wedge-shaped strip and one lower wedge-shaped strip, the two wedge-shaped strips in each set are inserted into the rectangular groove from the two ends of the same segment of the rectangular groove respectively to form interference fit, and positioning plugs are fixed to the segments of the rectangular groove. The connection structure is simple, high in production efficiency, small in maintenance workload and low in cost. The invention further discloses an anti-thunder segmented combined tower comprising the flanged connection structure, reliability of tower connection is improved, and lightning current conduction performance of the tower is improved.

The invention relates to a gas taking pipeline structure of a GPF differential pressure sensor. The gas taking pipeline structure comprises a first differential pressure sensor gas taking pipe and a second differential pressure sensor gas taking pipe which are arranged on a gasoline engine particle trap body. The gasoline engine particle trap body comprises a GPF barrel, a ceramic core, a front end cone and a rear end cone. An axial through hole is formed close to the edge of the ceramic core body, and a first welding hole and a second welding hole are formed in the conical surface of the front end cone; one end of a first gas taking pipe of the differential pressure sensor penetrates through a second welding hole of the front-end cone and extends into the GPF barrel, and the other end of the first gas taking pipe is matched and fixed with the second welding hole; one end of a second gas taking pipe of the differential pressure sensor penetrates through the first welding hole of the front end cone, extends into the GPF barrel and penetrates through the through hole in the ceramic core body, and the other end of the second gas taking pipe of the differential pressure sensor is matched and fixed with the first welding hole. The gas taking pipe can be prevented from being exposed in the air, the blockage of an icing assembly in the gas taking pipe is avoided, and the accurate monitoring of the GPF function is ensured.

The invention discloses a dust collector capable of realizing wireless communication between a motor and a battery. The dust collector comprises a dust collector main body and a ground brush. The dust collector main body is internally provided with the motor and an energy storage unit used for providing electric energy, and the motor is provided with a main control unit and a first wireless communication module; and the main control unit is electrically connected with the first wireless communication module, the motor, the main control unit, the first wireless communication module and the floor brush are electrically connected with the energy storage unit, the energy storage unit is provided with a second wireless communication module, and the second wireless communication module is in communication connection with the first wireless communication module. By adopting a wireless communication scheme between the motor and the battery, the problem that the battery continues to supply power to the motor when the motor breaks down is avoided, meanwhile, the use of wires can be reduced, product installation is facilitated, and the problems of difficult assembly, poor contact and the like caused after the wires are increased are solved.

A novel industrial type gas turbine brush gas seal is formed in the manner that two symmetrical pressure bearing plates in upright ring shapes are welded at the top ends; brush wire bundles which are closely and evenly arranged are arranged in the middles of each pressure bearing plate body; a sunken cooling groove body is formed in the top end of each pressure bearing plate body; and a flow guiding piece is arranged on one side of the upper portion of the middle of each pressure bearing plate body. The novel industrial type gas turbine brush gas seal effectively reduces the production cost of manufacturers; and because the manner that the brush wire bundles, the pressure bearing plates and the flow guiding pieces are welded as a whole is adopted, the welding deformation of the brush gas seal caused when a welding part is too thin in the welding process is effectively controlled, and meanwhile, the overall strength of the brush gas seal is improved; cooling grooves formed in the pressure bearing plates guarantee the welding convenience, the problem that a sealing piece deforms and loses efficacy due to high temperature can be prevented, and therefore the service life of the sealing piece is prolonged; and meanwhile, the problem that secondary machining is needed because part assembling is difficult is avoided, and machining work procedures are reduced.

The invention provides a packaging liner for household appliance and a household appliance component, wherein one end of the packaging liner is provided with a first mounting groove for mounting the home appliance and the other end of the packaging liner has a bottom surface, and the packaging liner has a side surface which is connected between one end of the packaging liner and the other end of the packaging liner in a transition mode. The side surface includes an inclined surface area which is inclined in a direction from one end of the packaging liner to the other end of the packaging linerand is provided with a boss structure. The packaging liner for the household appliance can take both the assembly efficiency and the protection reliability of a product into consideration, so that the overall quality of the product is effectively improved and the promotion of the product in the field is facilitated.

The invention provides a locatable adjusting structure of a furniture hinge. The hinge comprises a first fixing element and a second fixing element which are hinged and matched in an opening and closing mode. An adjusting assembly is arranged between the first fixing element and the second fixing element. The adjusting assembly at least comprises an adjusting part and an acting part. The acting part is driven through the adjusting part to move on the first fixing element or the second fixing element and achieves the mutual locating effect with the second fixing element or the first fixing element at least when the hinge is hinged and closed so as to achieve the hinge closing locating and closing angle adjustment of the hinge. Through the improvement on the above structure, the locatable adjusting structure has the characteristics of being simple and reasonable in structure, safe, reliable, quick in assembly, low in manufacturing cost, high in component connecting compactness, convenient to use, wide in range, long in service life and the like, and has high practicality.