96results about How to "No interference" patented technology

The invention relates to the technical field of mechanical transmission, and provides a connecting rod transmission mechanism and a mirror image engine. The connecting rod transmission mechanism comprises a power sliding block, a power connecting rod and two power pistons, the power connecting rod comprises a connecting rod base body and two linear rod parts, the linear rod parts extend in the first direction, the front end of each linear rod part is connected with one power piston, and the rear end of each linear rod part is fixedly connected with the connecting rod base body; the two linear rod parts are located on the two opposite sides of the connecting rod base body in the first direction, and the power sliding block is installed on the connecting rod base body in a sliding mode in the second direction. The linear rod part does not need to contain a bearing, rotation motion does not exist, the overall cross section is uniform or roughly uniform, standard sinusoidal motion / cosine motion is met, the size reduction design of the linear rod part and the air cylinder is facilitated, the compression ratio in the air cylinder is increased, the combustion efficiency is improved, the overall structure of the engine is more compact, and the needed engine cabin space is reduced. And the power-to-weight ratio and the acceleration performance of the vehicle can be improved.

The invention relates to a method for detecting bacterial endotoxin in a melphalan hydrochloride bulk drug, and belongs to the technical field of drug analysis. The invention provides a test solution for detecting bacterial endotoxin in a melphalan hydrochloride raw material medicine, which comprises a test product melphalan hydrochloride raw material medicine, a 2-8 DEG C sulfobutyl beta-cyclodextrin sodium water solution and calcium and / or magnesium ions. The detection method disclosed by the invention is simple to operate, the sample can be dissolved in BET water without reanalysis, and the detection result is accurate; no organic solvent is used for preparing a test solution, so that the safety to operators is good, and bacterial endotoxin interference experiments prove that no interference effect exists; and the detection limit of the bacterial endotoxin in the melphalan hydrochloride bulk drug can reach 0.2 EU / mg.

The application relates to the technical field of robots, and provides a cooperative work mechanical arm and a control method thereof. The application comprises a first mechanical arm, a second mechanical arm, a third mechanical arm and a fourth mechanical arm, the first mechanical arm, the second mechanical arm and the third mechanical arm are located on a first track, the fourth mechanical arm is located on a second track, the first track and the second track are arranged in parallel, and the first track and the second track are straight tracks; a first safety distance is kept between the second mechanical arm and the first mechanical arm, a second safety distance is kept between the third mechanical arm and the first mechanical arm, and the second safety distance is greater than or equal to the first safety distance. The beneficial effect is that the multiple mechanical arms have different safety distances with the first mechanical arm, the interference between the mechanical arms during work is avoided, the work can be cooperatively completed, and the maximum cooperative work space is obtained.

The invention discloses a method for simultaneously and rapidly measuring the content of multiple elements in nano-diamond, which comprises the following steps: firstly, burning a nano-diamond material in an environment of 850 + / -10 DEG C in the presence of oxygen until the weight is constant, and then dissolving the obtained residue in a solution; preparing 3-5 parts of gradient series mixed standard solutions from the single-element standard solutions according to the content range of a to-be-tested sample; finally, carrying out data acquisition on the emission spectrum light intensity of the standard substance iron, silicon and calcium elements, and drawing a standard working curve of each element according to the corresponding relationship between the element content and the emission spectrum light intensity; and substituting the emission spectrum light intensity of the iron, silicon and calcium elements of the sample to be detected, which is collected by the instrument, into the standard working curve, and calculating the content of the iron, silicon and calcium elements of the sample to be detected. The method solves the problem of sample solution preparation when the nano-diamond is determined by the ICP spectrometer, the sample solution preparation process is simple, and the determination process is not interfered.

A mask fastening system and an anesthetic airway auxiliary management device, which relates to a fastening system and an anesthetic airway auxiliary management device. The present invention aims to solve the problem that the existing mask pressing method cannot adjust the degree of mask pressing at any time, resulting in the problem that it cannot be applied to different types of patients and air leakage. The driving system and multiple transmission systems of the mask fastening system of the present invention are installed in a shell, and the tensioning rope is buckled on the mask and extends into the shell. After passing through multiple transmission systems, the first and second ends are finally accommodated in the driving system. The driving system drives the first and second ends of the tensioning rope to move so that the length of the tensioning rope outside the driving system changes, which is then converted into a change in the size of the force of the tensioning rope to fasten the mask; when tightened, the tension on the tensioning rope outside the driving system is the same. Two flexible arms are installed on the left and right sides of the mask fastening system to form an anesthetic airway auxiliary management device. The present invention is used for anesthetic airway auxiliary management.

The invention relates to the technical field of automobile part machining, in particular to a rapid demolding mold for automobile part stamping, which comprises a lower mold base and an upper mold base arranged right above the lower mold base, a stamping cavity is arranged in the lower mold base, and a stamping auxiliary assembly is arranged in the stamping cavity. A demolding auxiliary assembly is arranged on the surface of the upper mold block. The demolding conditions of different types of automobile parts can be more flexibly treated through cooperative demolding force in the vertical direction, the demolding resistance can be more effectively overcome by adjusting the thrust of the second micro electric cylinder and the stroke of the ejector plate, it is ensured that the parts are smoothly demolded, and the demolding efficiency is improved. The downward pushing action of the ejector plate can prevent the punch forming part from being clamped in the mold due to top residual adsorption force or friction force in the later demolding period, it is guaranteed that the punch forming part can be completely separated from the mold, the demolding integrity and success rate are improved, the rejection rate caused by incomplete demolding is reduced, and the product quality is improved. And the production efficiency and the product quality are improved.

The utility model relates to a photovoltaic module detection device, and the device comprises a conveying mechanism which comprises a first conveying assembly which is used for conveying a photovoltaic module; the second conveying assembly is located on one side of the first conveying assembly, the second conveying assembly is used for conveying a photovoltaic module, a detection station is formed between the second conveying assembly and the first conveying assembly, and the photovoltaic module is located on the detection station for detection; the light reflecting mechanism is arranged above and / or below the detection station, a light reflecting space is formed between the light reflecting mechanism and the detection station, and the light reflecting mechanism is used for uniformizing light in the light reflecting space; the lighting mechanism is arranged in the light reflecting space, and the lighting mechanism is used for lighting the interior of the light reflecting space; the imaging mechanism is used for obtaining an image of the photovoltaic module; and a probe mechanism. The technical problem that the false detection rate of power-on detection of the photovoltaic module is high is solved, and the technical effect of improving the power-on detection accuracy of the photovoltaic module is achieved.

The invention provides a quick pressurizing method for a single crystal furnace, which is mainly used for pressurizing an auxiliary chamber of the single crystal furnace, and is characterized in that external gas is introduced into the auxiliary chamber before the auxiliary chamber of the single crystal furnace is separated from a main chamber, so that the auxiliary chamber is recovered from a negative pressure state to a normal pressure state. According to the rapid pressurizing method for the single crystal furnace, the compressed gas is introduced into the auxiliary chamber to replace the existing inert gas, and the flow of the compressed gas is automatically controlled, so that the negative pressure state of the auxiliary chamber can be rapidly changed into the normal pressure state, no gas harmful to growth of a crystal bar is left in the auxiliary chamber, and no residual waste gas is generated on the inner wall of the auxiliary chamber; meanwhile, the use cost of inert gas for single crystal drawing can be reduced, and the utilization rate of matching of the auxiliary chamber and the main chamber is improved; according to the method, the cooling time of the auxiliary chamber can be shortened to be within 60 s from existing 4 min, the production efficiency of the whole crystal pulling process is improved, high operability and stability are achieved, safety is achieved, the automation degree is high, and personnel interference is not needed.

The utility model discloses a tunnel vault settlement monitoring device and system, and the system comprises a plurality of monitoring devices which are sequentially arranged at intervals along the extension direction of a tunnel. The monitoring device comprises a bidirectional laser range finder and two reflecting plates. The bidirectional laser range finder is hoisted at a monitoring point of a tunnel vault, and the two laser range finding probes respectively point to the reflecting plates at two reference points of the tunnel ground. The two laser ranging probes emit laser beams to the two reflecting plates respectively. And under the action of the reflecting plate, laser emitted by the laser ranging probe is reflected back to the laser ranging probe and is received by an induction end arranged on the laser ranging probe, so that the distance between the laser ranging probe and the reflecting plate, namely the distance between a monitoring point and a reference point, is measured. The distance between the monitoring point and the tunnel ground can be accurately calculated by combining the distance between the monitoring point and the reference point measured by the two laser ranging probes, and then the settlement amount of the vault at the monitoring point is determined.

The utility model provides a spring distributing and blocking device which comprises a parallel opening and closing air cylinder, a first clamping block, a second clamping block, a first distributing assembly and a second distributing assembly, and the parallel opening and closing air cylinder comprises a first pneumatic claw and a second pneumatic claw; the first material distributing assembly comprises a first supporting block, a first guide shaft, a first spring and a first material distributing block, the first supporting block is arranged on the first clamping block, the first spring is arranged between the first material distributing block and the first supporting block, one end of the first guide shaft penetrates through the first supporting block, and the first spring is connected with the first material distributing block; and a first stop block is arranged at the other end of the first guide shaft. The distributing block of the spring distributing and blocking device meets the use requirement that irregular-shaped part products are firstly clamped and then assembled by pressing the springs, equipment cost is saved for companies, meanwhile, when the parts are taken out for return stroke after being assembled, the distributing block can move left and right, and injector parts do not interfere with the distributing block when being taken out.

This invention provides an optoelectronic interconnect structure and its fabrication method. The aim is to obtain a first substrate with an optical interconnect network and a second substrate with an electrical interconnect network by separately placing optical interconnect networks and electrical interconnect networks on different core layers. The first substrate with the optical interconnect network and the second substrate with the electrical interconnect network are then interconnected to obtain a substrate that possesses both optical and electrical interconnect functions. This ensures that the fabrication processes of the optical interconnect network and the electrical interconnect network do not interfere with each other, avoiding the risk of substrate warping and increasing the flexibility of wiring for the electrical interconnect network used for electrical interconnect functions.

The utility model discloses a disc granulator which comprises a rack and a granulation disc arranged in the rack, an environment-friendly particle storage assembly and a powder storage assembly which are used for feeding materials into the granulation disc are arranged above the rack, and the rack is further provided with a spraying assembly used for conveying binders to the granulation disc. According to the disc granulator provided by the utility model, chemicals are supplied into the granulation disc through the particle storage assembly and the powder storage assembly, so that continuous feeding can be realized, and meanwhile, the spraying assembly is used for conveying a binder to the granulation disc, so that the heat generated by friction is reduced, the potential safety hazard is reduced, and the production efficiency is improved. Meanwhile, due to the addition of the binding agent, the binding between the external medicine and the particles is better, the number of the external medicine particles processed at a time is larger, the processing quality is better, and therefore the processing efficiency and the quality after processing are improved.

The invention discloses a method for simultaneously and rapidly determining the contents of multiple elements in ferrotitanium, which comprises the following steps: firstly, selecting 3-5 ferrotitanium standard substances with known contents of silicon, manganese, phosphorus, aluminum and titanium elements to form a concentration gradient, and crushing a sample to be detected and the selected standard substances into particles of less than 40 meshes; dissolving a to-be-detected sample and the selected standard substance in the solution; carrying out data acquisition on the emission spectrum light intensity of the standard substance silicon, manganese, phosphorus, aluminum and titanium elements, drawing a standard working curve of each element according to the corresponding relationship between the element content and the emission spectrum light intensity, and substituting the emission spectrum light intensity of the silicon, manganese, phosphorus, aluminum and titanium elements of the sample to be detected, which is acquired by the instrument, into the standard working curve; and calculating the contents of silicon, manganese, phosphorus, aluminum and titanium elements in the to-be-detected sample. The method solves the problem of preparation of the sample solution when the ferrotitanium is measured by the ICP spectrograph, the preparation process of the sample solution is simple, and the measurement process is not interfered.

A kind of paint stirring equipment, it includes chassis, stirring cylinder installed on chassis, drive motor installed on chassis and located in the side of stirring cylinder, drive rod is passed in stirring cylinder and extends from the bottom of stirring cylinder, positioning component for the auxiliary positioning of drive rod, stirring frame installed on drive rod, power connection component connected drive motor and stirring cylinder, power connection component is arranged below stirring cylinder and is located in the inside of chassis, the drive motor is rotated by power connection component and drives drive rod, the stirring cylinder includes cylinder main body and sleeve pipe, drive rod is passed in the sleeve pipe of stirring cylinder, the stirring frame includes butt plate, connecting ring located below butt plate, stirring plate connecting butt plate and connecting ring, the butt plate of stirring frame is installed on drive rod.The utility model can eliminate the hidden danger of leakage, moreover, when cover plate is opened, it will not produce interference, effectively reduce the overall height of product, and it is practical.

The utility model relates to the technical field of power equipment, and discloses an L-shaped gantry crane capable of preventing porcelain bottles from falling off. Comprising a telegraph pole and a hoisting frame and further comprises a protection assembly located on the inner wall of the telegraph pole, a supporting piece used for improving the stability of the hoisting frame, a lifting and adjusting assembly located on the inner wall of the hoisting frame, an insulating piece used for insulating the lifting and adjusting assembly and a fixing piece used for improving the stability of the lifting and adjusting assembly. According to the utility model, the protection assembly is arranged to ensure that the slide wire is in the groove, the upper structure and the lower structure are not interfered, the stability of the lifting frame can be conveniently improved by arranging the supporting piece, the position of the pulley can be conveniently lifted and adjusted by arranging the lifting and adjusting assembly, and the lifting and adjusting assembly is arranged, so that the lifting and adjusting efficiency is improved. The lifting and adjusting assembly can be conveniently insulated by arranging the insulating part, and the stability of the lifting and adjusting assembly can be conveniently improved by arranging the fixing part.

The utility model discloses a reducing joint for a water tank flushing pipe. The reducing joint comprises a first joint and a second joint, the inner diameter of the first connector is different from that of the second connector, a first inner cavity is formed in the first connector, and a second inner cavity is formed in the second connector. A plurality of first anti-skid teeth are arranged on the outer surface of the first joint in the radial direction to form a first anti-skid tooth array; and a plurality of third anti-skid teeth are arranged on the outer surface of the second joint along the radial direction to form a third anti-skid tooth array. The surfaces of the connectors at the two ends are provided with anti-skid tooth arrays, and when the anti-skid tooth arrays are connected with a water pipe and / or a water tank drainage port, the anti-skid tooth arrays make contact with the inner wall to form a water blocking structure to achieve sealing of the joints. And the outer diameters of the first anti-skid teeth and the third anti-skid teeth at the two ends are gradually increased towards the middle, so that connection with a water pipe or a water tank water outlet is facilitated.

The invention discloses a split type stepping motor torque testing tool, and belongs to the technical field of stepping motor production equipment. The split type stepping motor torque testing process equipment comprises a testing shaft, a switching disc, a mounting disc, a bearing and a pressing sleeve. The split type stepping motor torque testing device is suitable for split type stepping motor torque testing, is especially suitable for spaceflight high-precision split type stepping motor testing, can solve the problem that existing equipment is tedious in manual disassembly and assembly, and overcomes the problems that concentricity does not reach the standard, rotor and stator interference occurs, and air gaps are not uniform in the existing testing process.

The utility model belongs to the technical field of range hood power panels, and particularly discloses a range hood power panel of a double-path output illuminating lamp, which comprises a switching power supply, a relay control circuit, a step-down circuit, an isolation motor output circuit isolated by adopting an optocoupler mode, an isolation AC illuminating lamp output circuit isolated by adopting an optocoupler mode, and a DC illuminating lamp output circuit, the switching power supply is electrically connected with the relay control circuit, and the step-down circuit is respectively and electrically connected with the isolation motor output circuit, the isolation AC illuminating lamp output circuit and the DC illuminating lamp output circuit. A control signal and an output signal of the relay control circuit are respectively isolated by the isolation motor output circuit and the isolation AC illuminating lamp output circuit through the step-down circuit, so that no interference is generated between a control panel signal and the output signal, and stable work is realized.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

This application presents a gRNA probe library, its preparation and design methods, a method for targeting genes, and a nucleic acid imaging method. This application combines gRNA probes containing modified groups with nucleases, enabling dynamic observation of DNA and RNA by binding to target genomic sequences or RNA transcripts in living cells. By utilizing fluorescently labeled crRNAs, tracrRNAs, and sgRNAs, this application achieves real-time imaging of repetitive and non-repetitive sites, establishing a powerful gene imaging toolkit. Furthermore, the gRNA probe library prepared in this application will be applied to CRISPR systems for gene editing, transcriptional regulation, gene targeting, and delivery.

The utility model relates to sleeve rubber roll machine technical field, concretely relates to a three -column sleeve rubber roll machine, including two sensor fixed frame, every sensor fixed frame is located rubber roll support's both sides respectively, both sides of two sensor fixed frame all are installed with grating sensor, every grating sensor all is equipped with along the vertical direction distribution's several detection heads, two grating sensors of one side on two sensor fixed frame are a group, and the detection head of same group grating sensor is opposite and sets up, and the detection head of grating sensor all is towards rubber roll support and sets up, and the size ratio of grating sensor and rubber roll support in vertical direction is greater than 1.3:1. The utility model through installing grating sensor on both sides of sensor fixed frame, setting specific quantity detection head and reasonable size ratio, has enlarged the monitoring range to telescopic pneumatic cylinder work area, has improved detection sensitivity and accuracy, effectively avoided that staff is hurt because of equipment accidental start.

The utility model relates to a kind of connecting device for PCB board bent pin needle welding, including connecting portion, with the auxiliary cover plate of pin needle can be disconnectedly connected, multiple front and rear through connecting holes are provided in connecting portion, its bottom surface is equipped with first supporting leg, auxiliary cover plate includes the plate body of cover being located on connecting portion and bottom surface and the abutting connection of connecting portion top surface, at least one second supporting leg being arranged in the bottom surface of plate body and being away from the side of connecting portion, at least one clamping portion being arranged in the bottom surface of plate body, the sum of the height of first supporting leg and connecting portion is identical with the height of second supporting leg, and second supporting leg is parallel with the second pin of bent pin needle, each clamping portion has at least a pair of fixed column extending downward from the bottom surface of plate body, the interval of each pair of fixed column is less than or equal to the width of the pin of bent pin needle.The utility model is simple in structure, convenient to operate, not only guarantee the welding quality of PCB board, but also facilitate adaptation to automatic production equipment, without manual assistance or intervention, improve production efficiency.

The utility model relates to the technical field of automobile seat adjusting mechanisms, in particular to a seat height adjusting mechanism which comprises a fixed base, a push rod, a height adjusting assembly, a transmission assembly and a reset assembly. Height adjusting rotating shafts are installed on the sides, close to each other, of the fixed bases, handle adjusting rotating shafts are installed on the sides, away from each other, of the fixed bases respectively, the push rods are installed on the handle adjusting rotating shafts, and the height adjusting rotating shafts and the handle adjusting rotating shafts are eccentric. One end of each reset piece is connected with a handle adjusting rotating shaft, and the other end of each reset piece is connected with a push rod; the transmission assembly is installed on the handle adjusting rotating shaft. The height adjusting assembly is mounted on the height adjusting rotating shaft; through the reset piece, the push rod can return conveniently after the height of the seat is adjusted, the position of the push rod is kept consistent with the initial design position, the user experience is improved, through eccentric arrangement of the height adjusting rotating shaft and the handle adjusting rotating shaft, height adjustment of different gears of the seat is facilitated, and the height adjusting efficiency of the seat is improved.

The invention discloses a probe for detecting zinc ions as well as a preparation method and application thereof, and belongs to the technical field of chemistry. The probe is 4 ', 5'-bis ((bis (pyridine-2-methylene) amino) methyl)-2 ', 7'-dichloro-3 '-hydroxyfluorescein condensation 4-((4-dimethylamino) phenyl) azo) benzoic acid. According to the technical scheme, in specific application, the multifunctional fluorescent probe for detecting Hg < 2 + > and Zn < 2 + > under different conditions, the preparation method and the kit containing the probe are used for rapidly and sensitively detecting the content of zinc ions and mercury ions in a solution system and a life system. The technical scheme provided by the invention has the characteristics of higher sensitivity and specificity, and is suitable for popularization and application.

The application discloses a brazing filler metal pre-setting tool and method for annular conical metal honeycomb, and the upper roller and the lower roller are matched to clamp the annular conical metal honeycomb to be machined and the brazing filler metal, the extrusion is realized through the rotation of the lower roller, and the upper roller adjusting mechanism is arranged, the upper roller adjusting mechanism can adjust the inclination angle of the upper roller, the inclination angle of the upper roller is adjusted according to the angle of the outer conical angle of the annular conical metal honeycomb, the stability of machining is improved, the extrusion force received by the brazing filler metal during machining is uniform through the clamping of the upper roller and the lower roller, the brazing filler metal is prevented from falling off when the honeycomb and the base are assembled, reliable extrusion of the brazing filler metal is realized, and the brazing filler metal exists in each core cell of the bevel honeycomb, and the pre-setting tool disclosed by the application replaces manual operation and has higher machining efficiency.

The present invention discloses a micro anti-shake micro gimbal, which comprises a camera module, a torsion spring and a first actuator assembly, wherein the first actuator assembly is arranged on the side of the camera module, and the first actuator assembly comprises a first rotating part, a first fixed part, a first memory alloy wire and a second memory alloy wire, wherein the middle part of the first rotating part is fixedly connected with the connecting part, the first fixed part is located on both sides of the first rotating part and is fixedly arranged on the frame part; the first memory alloy wire is connected with the top of the first rotating part and is connected with the first fixed part on one side, and the second memory alloy wire is connected with the bottom of the first rotating part and is connected with the first fixed part on the other side; the first memory alloy wire and the second memory alloy wire located on both sides of the first rotating part are energized and contracted at the same time to drive the first rotating part to rotate, and the first rotating part drives the camera module to rotate through the connecting part.

The utility model relates to a kind of impact jet device for copper-aluminum bimetal surface treatment, including two supports, screw rod is installed between two supports, screw rod is connected with driving motor, screw rod is screw-threaded with screw nut seat and the front side of screw nut seat is fixed with aluminium silicate tank, aluminium silicate tank longitudinal section is L-shaped structure and the front and back sides are equipped with closed side plate, aluminium silicate tank inner side wall and bottom plate are all laid with aluminium silicate felt, aluminium silicate tank bottom plate is equipped with built-in groove, built-in groove is equipped with telescopic cylinder, the piston rod end of telescopic cylinder is connected with aluminium silicate overflow baffle, the top height of aluminium silicate overflow baffle is lower than the side plate height of aluminium silicate tank, the side below of aluminium silicate tank opening is equipped with several aluminium liquid recovery tank, aluminium silicate tank upper side is equipped with molten aluminium liquid storage tank, and molten aluminium liquid storage tank bottom is equipped with jet port.The utility model screw rod controls movement, more smooth, will not produce interference, control effect is better, and the opening and closing operation of aluminium silicate overflow baffle is more flexible and convenient.

The utility model discloses a wide-mouth discharging type quenching furnace which comprises a workbench, a furnace body and a heating device, and bottom feet are fixedly connected to the positions, close to the four corners, of the lower wall of the workbench. When the wide-mouth discharging device is opened, the extending shaft of the hydraulic cylinder retracts to drive the second movable section and the first movable section to move towards the right side of the upper end cover and the right side of the lower end cover, after moving, only the fixed section is left between the upper end cover and the lower end cover for supporting, wide-mouth discharging is achieved, and the driving motor drives the carbon residue cleaning pipe to rotate through the first gear and the second gear. The fixed petals are rotated to be close to the rear wall of the workbench, at the moment, feeding and discharging can be very conveniently conducted from the front side of the workbench, interference is avoided, and great convenience is achieved.

The utility model discloses a vehicle door sealing strip mounting structure and a vehicle. The vehicle door sealing strip mounting structure comprises a sealing strip body, a sealing strip and a sealing strip, the tail portion of the water cutting end is connected with the water cutting body, the inner side of the water cutting end is provided with a containing portion for containing the bottom of an A-column bright strip, the containing portion comprises a clamping table and a first limiting portion arranged on the outer side of the clamping table, and the bottom of the A-column bright strip is clamped to the clamping table and limited through the first limiting portion. According to the utility model, the clamping platform and the first limiting part are arranged at the end of the weather strip to form a lap joint structure between the vehicle door weather strip and the A-pillar bright strip, and the bottom structure of the A-pillar bright strip is hidden in the weather strip, so that the vehicle door weather strip body and the A-pillar bright strip do not interfere with each other in the process of opening and closing the vehicle door, and the appearance is more attractive.

The utility model belongs to the technical field of bearing assembly auxiliary equipment, and particularly relates to a bearing assembly positioning press-fitting device which comprises a base, a press-fitting mechanism and a positioning mechanism are arranged on the base, the press-fitting mechanism comprises a press-fitting air cylinder and a pressing head arranged at the end of a piston rod of the press-fitting air cylinder, a bearing storage sleeve is arranged at the end of the pressing head, and the positioning mechanism is arranged on the base. The bearing storage sleeve and the pressing head are installed in a clearance mode, the bearing storage sleeve is matched with a to-be-assembled bearing, the positioning mechanism comprises a pull rod and a positioning seat, the positioning seat is installed at the end of the base and used for guaranteeing that the to-be-assembled bearing seat and a fan shaft are coaxial, one end of the pull rod is installed on the base, and the other end of the pull rod is installed on the pressing head. And a drag hook is arranged at the other end of the pull rod and is arranged above the positioning seat. According to the utility model, the impact on the bearing caused by a mode of manually assembling the bearing by striking is avoided, the negative influence on the performance of the bearing caused by assembly is reduced, and the assembly quality is ensured.