60results about How to "Assembly structure is stable" patented technology

The invention relates to a hobbing cutter abrasion test and abrasion resistance research experimental platform and a measurement evaluation method, aiming at solving the problems that in the prior art, measurement results have hysteresis, lower in engineering guidance and large in measurement error. The hobbing cutter abrasion test and abrasion resistance research experimental platform is providedwith an abrasive box and a transmission device, wherein an output end of the transmission device is provided with a clamping element used for clamping a cutter ring of a hobbing cutter, and the cutter ring of the hobbing cutter is enabled to be positioned above the abrasive box; the clamping element comprises cutter shaft support seats arranged at the two sides, wherein the cutter shaft support seat arranged at one side is fixed at an output end of the transmission device, and the cutter shaft support seat arranged at the other side is fixed on the abrasive box; the outer ring of a cutter hubis matched with the cutter ring of the hobbing cutter, and the inner ring of the cutter hub is matched with the cutter shaft support seats; the transmission device is also provided with a sensor bracket; an eddy current sensor element is arranged on the sensor bracket and at the position corresponding to the outer side of the outer ring of the hobbing cutter. The hobbing cutter abrasion test andabrasion resistance research experimental platform and the measurement evaluation method have the advantages that measurement is carried out on the cutting basis of simulation of a working environment, and an abrasion test is effectively combined with evaluation; real-time detection is realized, the measurement accuracy is increased, and the equipment application size is wide.

The invention discloses a nucleic acid detection method based on surface plasmon resonance technology. First, graphene oxide is electrodeposited on the surface of a bare SPR chip, and then the activated molecular layer of perylene derivatives grafted with aminotriacetic acid is adsorbed through conjugation. Assemble the 5′ end biotinylated capture cDNA probe as the sensing interface to detect the target tDNA, and after realizing the binding and capture of tDNA, add the 3′ end biotinylated response rDNA to form a long chain dsDNA and expose its biotin molecules , combined with avidinated horseradish peroxidase to complete the assembly, and finally add aniline and hydrogen peroxide mixed solution, use horseradish peroxidase to catalyze the aniline polymerization deposition reaction to form polyaniline, and realize the detection of target nucleic acid according to the SPR signal. The present invention uses two-dimensional nanomaterials for "bottom-up" construction, and forms an SPR sensing platform with double-sensitized signals with a top-mounted "top-down" gravimetric reactor, which can achieve specificity and sensitivity to target DNA. Sensitive detection, the detection limit can reach femtomolar level.

The invention discloses a cold extrusion device, and a female die and a male die thereof. The cold extrusion device comprises the female die and the male die, wherein the female die comprises a die seat; the die seat has a sleeve-shaped structure; the lower end of the inner pore of the die seat is provided with a lower guiding sleeve; a die sleeve is arranged in the inner pore of the die seat and above the lower guiding sleeve; the internal diameter of the die sleeve is equal to the external diameter of a workpiece; the upper end of the die sleeve is detachably provided with an upper guiding sleeve; the inner pore of the upper guiding sleeve is an upper guiding pore; the upper part of the inner pore of the lower guiding sleeve is provided with a cutter entering pore avoiding an extrusion head cutter; the pore diameter of the cutter entering pore is less the internal diameter of the die sleeve; the lower part of the inner pore of the lower guiding sleeve is a lower guiding pore; the male die comprises a guiding rod having a guiding direction movably fitting with the upper and lower guiding pores; and the middle part of the guiding rod is provided with the extrusion head cutter having saw-shaped inner teeth. The cold extrusion device, which enables positioning to be carried out through the upper and lower guiding sleeves and the cold extrusion process to be completed through a case that the extrusion head cutter traverses from one end of the workpiece to the other end of the workpeice, has the advantages of simple structure, small comprehensive error, and good dimensional consistency of processed products.

The invention discloses a motor assembly for a centrifugal fan. The motor assembly comprises a motor, a waterproof shaft sleeve, a hub assembly and stamped blades, wherein an end cover and an output shaft are arranged on the motor, the end cover penetrates through the output shaft and covers the front end of the motor, a sealing sleeve is arranged at the tail end of the output shaft, the waterproof shaft sleeve is installed on the output shaft and comprises an installing shaft sleeve and a waterproof disc, the waterproof disc covers the sealing sleeve, the hub assembly is installed on the waterproof shaft sleeve and comprises a hub and a riveting shaft sleeve, a plurality of installing plates are arranged on the hub, and the stamped blades are installed on the installing plates. According to the motor assembly, water and dust can be prevented from entering the motor, the assembly structure is simple and firm, the overall mass of the fan is reduced, working energy consumption is lowered, the blades and the hub can be firmly installed, looseness can be prevented from occurring between the blades and the hub, the fluid mechanics performance of the blades is improved through stamping structures on the blades, and air can be effectively guided in a centralized mode.

The invention discloses a temperature controller assembly structure. The temperature controller assembly structure comprises a base, at least one pair of power terminals, at least one movable contact piece and at least one fixed contact piece, wherein the at least one pair of power terminals is arranged outside the base; the movable contact piece and the fixed contact piece are arranged in the base; the movable contact piece is electrically connected with one of the power terminals; the fixed contact piece is electrically connected with the other power terminal; and the movable contact piece is elastically pressed against the fixed contact piece to realize electrical connection. The temperature controller assembly structure is characterized in that: the movable contact piece and the fixed contact piece are in tight fit with a screw respectively and then are connected with each power terminal by spin riveting. A temperature controller is characterized by comprising the temperature controller assembly structure, wherein a movable contact piece control member which can separate the movable contact piece from the fixed contact piece is arranged in the base. An assembly process can be automated, the labor resource is saved, the production efficiency is high, and the assembly quality can be guaranteed; in addition, the movable contact piece and the fixed contact piece are in tight fit with the screw, so the structure is more stable, has large contact area, low resistance and high over-current, is suitable for high-current situations and has high safety.

The invention discloses an antenna and an elastic support element thereof. The elastic support element comprises a base, an elastic arm and a support frame, wherein the elastic arm comprises a straight arm segment and a cantilever segment; the straight arm segment obliquely extends upwards from the base; the cantilever segment extends towards the direction far away from the straight arm segment from the top end of the straight arm segment in an arc bending manner; and the support frame is arranged between the base and the elastic arm and is provided with a bearing part which is propped againstthe straight arm segment and / or the cantilever segment to support the elastic arm when the elastic arm elastically deforms towards the direction in which the support frame is located under external pressure. According to the elastic support element, a sectional design is adopted by the elastic arm, so that the flexibility is high; the support frame is provided with the bearing part correspondingto the elastic arm, so that the support effect is good; and the buffer capacity of the elastic support element on impact of external force is high through coordination of the support frame and the bearing part.

Disclosed is a drainage canal structure, and in particular is a prefabrication type drainage canal structure which makes it possible to prevent a transformation and disengagement of a drainage canal in such a way that a plurality of drainage canal bodies each equipped with a waveform reinforcing unit are assembled in series, and a protection net is arranged over the drainage canal bodies which are buried underground, and a side reinforcing unit is installed into the ground so that a bottom foundation can be expanded, and the drainage canal bodies can be fixed in place on the ground. Trees, gravels, etc. can be prevented from penetrating into the drainage canal bodies thanks to the protection net. The drainage canal structure with an increased self-weight can be provided, which can keep it in place. Work and construction time can be saved because the drainage canal structure can be manufactured on the spot.

The invention discloses an electric cabinet cover plate. The electric cabinet cover plate is characterized in that internal through holes of the electric cabinet cover plate are cooperated and communicated with water tanks and sealing plates are installed on the water tanks so that the interior of the electric cabinet cover plate forms a coiled pipe where water flowing and thus overall cooling performances of the electric cabinet cover plate are guaranteed; the whole coiled pipe is arranged in the electric cabinet cover plate and a structure which belongs to the electric cabinet cover plate and is arranged in a thickness direction is symmetrical relatively so that stress distribution is even and thus structure strength of the electric cabinet cover plate is improved and deformation and damage is difficult to be produced in production; and a water channel arranged in an outer surface of the electric cabinet cover plate is not needed so that the electric cabinet cover plate does not need large processing thickness and in assembling, a cover panel which matches with the water channel and is arranged in the outer surface of the electric cabinet cover plate is not needed and thus the thickness of the electric cabinet cover plate is reduced relatively.

The invention discloses a novel rapid connection type detachable filter flask installation component. The novel rapid connection type detachable filter flask installation component comprises a flask body and a flask plug, wherein the flask plug is plugged into an opening end of the flask body and is connected with the opening end in a sealed mode. The novel rapid connection type detachable filter flask installation component is characterized in that an insert sleeve for limiting the flask plug into the opening end of the flask body is clamped to the outer peripheral wall of the opening end of the flask body, and is spliced by at least two sub insertion sleeves; a flask cap sleeves and is fixed on the outer part of the insert sleeve, compresses each sub insert sleeve to the opening end of the flask body, and can fix the flask plug and the flask body together. The filter flask installation component tightly wraps the opening end of the flask body with the insert sleeve via the flask cap and fixes the flask plug and the flask body together, is simple and firm in assembling structure, is convenient to mount and dismount, can be used for replacing a filter element rapidly without special technicians, not only prevents the dismounting trouble of the threaded seal type connection of the filter element, but also directly realizes seal by utilizing a physical mechanical structure, and meanwhile has the characteristics of high bearing capability of the threaded seal mode and filter element replacement convenience of a seal mode of a spiral melting welding technology.

The invention discloses a cabinet air conditioner which comprises a chassis formed by connecting a front housing with a rear housing, and a condenser mounted in the chassis, wherein the front housing is fixedly sleeved with a detachable flange positioned at a connecting part between the front housing and the rear housing; the chassis penetrates through a mounting hole formed in a cabinet wall; the front housing is positioned on the outer side of the cabinet wall; the rear housing stretches into the inner side of the cabinet wall; a spring fastener is arranged on the rear housing; the detachable flange and the spring fastener are tightly pressed on the outer side and the inner side of the cabinet wall respectively to allow the chassis and the cabinet wall to be fixed together; heat-dissipation fins are arranged on the outer side of the condenser; fin concession holes corresponding to the heat-dissipation fins are formed in the front housing; the condenser is fixedly mounted in the front housing; and the heat-dissipation fins penetrate through the fin concession holes to stretch out of the front housing. The cabinet air conditioner is simple in structure and convenient to clean, and semi-embedded type and wall type mounting modes can be realized.

The invention relates to construction tools, and provides an assembled building support frame with stable and safe structure, convenient transportation, high support frame erection efficiency and fast speed, which saves a lot of preparation time during pre-construction of the building and speeds up the construction progress. It includes a plurality of support units that can be detachably connected to each other through connectors in the horizontal and transverse directions. Each support unit includes an adjustable base, a support platform with more than two floors, multiple fixed-length vertical poles and a top frame. In the vertical direction, there are more than two layers of support platforms that are detachably connected to each other through fixed-length vertical poles. Each support platform includes a receiving frame and a receiving plate. It consists of four short rods with four corners. The receiving plate is detachably arranged in the rectangular frame. The upper ends of the four short rods on the receiving frame connected with the adjustable base are respectively sleeved with the lower ends of four fixed-length vertical rods. The upper ends of the fixed-length vertical rods are socketed with the lower ends of the four short rods of the receiving frame of the upper support platform.

The invention relates to the field of supramolecular chemistry, and discloses a supermolecular bactericide as well as a preparation method and sterilization method thereof. The supermolecular bactericide contains a cation type surfactant as shown in a formula (I) and a bottle gourd [n] urease as shown in a formula (II), wherein R1 is C8-C18 alkyl, and is preferably C12 alkyl or C16 alkyl; R2 is C1-C3 alkyl or C6-C8 aryl groups, and preferably methyl or benzyl; n is 7 or 8, and is preferably 7; X- is Cl- or Br-. The preparation method of the supermolecular bactericide comprises the following step of dissolving the cation type surfactant as shown in the formula (I) and the bottle gourd [n] urease as shown in the formula (II) in water. The sterilization method comprises the following step of applying the supermolecular bactericide and amantadine hydrochloride onto objects to be sterilized. The sterilization activity of the supermolecular bactericide provided by the invention is intelligently controllable, and the drug tolerance problem of pathogenic bacteria can be effectively solved.

The invention relates to an assembly structure of an automobile reduction gearbox body and a motor shaft. The assembly structure comprises a reduction gearbox body and the motor shaft, wherein the motor shaft is provided with a bearing and matches the inner ring of the bearing; the box body is provided with a stepped hole; a steel sleeve is fixed in the large-diameter hole of the stepped hole; thesteel sleeve is abutted against the shoulder of the stepped hole; the outer ring of the bearing is in clearance fit with the shaft hole of the steel sleeve; one end of the steel sleeve abutted against the shoulder of the stepped hole is provided with a flange extending toward a shaft center; a wave spring for compensating a bearing clearance is disposed between the flange and the outer ring of the bearing; and the end portion of the motor shaft extends into the cavity of the box body from the small-diameter hole of the stepped hole. The assembly structure is stable, firm in connection betweenthe steel sleeve and the reduction box body, avoids the axial movement of the motor shaft, and reduces vibration and noise.

The invention discloses computer assembly equipment and an operation method. The computer assembly equipment comprises a rack, a first rod frame, a first rod sliding groove, a first spring, a motor, a motor gear, a mounting plate, first guide rods, a second sliding table, a second nut, a first sliding table, a first nut, a second guide rod, a discharging hole, a material guide frame, a first motor, a first lead screw, a second motor, a second lead screw, a first cam, a first rod, a spline shaft, a spline gear, a second cam, a second rod, a second spring, screws and a computer. The lower part of the rack is provided with four supporting legs, the front part of the rack is provided with a transmission shaft hole, the rear part of the transmission shaft hole is provided with a gear through hole, the outer side of the gear through hole is provided with a gear fixing hole, the rear part of the gear through hole is provided with the first rod frame, the middle of the first rod frame is provided with the first rod sliding groove, and the middle of the mounting plate is provided with two coaxial first lead screw holes; and each of the two sides of the first lead screw holes is provided with one first guide rod. The right side of the mounting plate is provided with an upper mounting face.

An anti-pressure hydrogen-rich water cup is disclosed. The cup includes a cup base. A hydrogen-oxygen electrolysis assembly is disposed in the cup base, and includes a box body, a box cover, a cathode plate, an ionic membrane and an anode plate. The upper surface of the box body is provided with an electrolytic cell and an anode plate slot communicated with the electrolytic cell. The anode plate is disposed in the anode plate slot and is above the electrolytic cell. The box cover is provided with an axial through hole. The lower surface of the box cover is provided with a cathode plate slot communicated with the axial through hole. The cathode plate is disposed in the cathode plate slot and is below the axial through hole. The box body and the box cover are tightly sealed. The ionic membrane is clamped between the cathode plate and the anode plate. The upper surface of the ionic membrane is tightly adhered to the lower surface of the cathode plate, and the lower surface of the ionic membrane is tightly adhered to the upper surface of the anode plate. The hydrogen-oxygen electrolysis assembly of the cup has high anti-pressure capability, and can effectively protect the ionic membrane from being deformed, thus ensuring quality of hydrogen-rich water.

The invention relates to a water cooling motor. The water cooling motor includes a stator coil assembly and a rotor assembly, and includes an inner cylinder and an outer cylinder, wherein the stator coil assembly and the rotor assembly are arranged in the inner cylinder; the inner cylinder is arranged outside the outer cylinder; a cooling water channel is arranged between the inner cylinder and the outer cylinder; the cooling water channel is formed by the inner cylinder, the outer cylinder and a water channel member; a cavity is formed between the outer wall of the inner cylinder and the inner wall of the outer cylinder; a continuous S-shaped channel is arranged on the water channel member; and the water channel member is arranged between the inner cylinder and the outer cylinder, and theinner and outer walls of the water channel member are in sealed coordination with the outer wall of the inner cylinder and the inner wall of the outer cylinder respectively, so as to form a cooling water channel limited by the S-shaped channel between the outer wall of the inner cylinder and the inner wall of the outer cylinder. The water cooling motor has the advantages of simple structure, preferable water cooling effect, and high reliability, can reduce the cost of manufacturing and assembling, and can prolong the service life of the motor.

The invention relates to fan motor processing machinery, in particular to a formation device of full-automatic fan motor assembly equipment. The formation device of the full-automatic fan motor assembly equipment comprises a machine body, a rotation disc, a plurality of assembly clamps and an assembly device, wherein the rotation disc is arranged on the machine body and can rotate along the machine body, the plurality of assembly clamps are uniformly arranged on the rotation disc, the assembly device is arranged at one side of the rotation disc and can be used for implementing assembly of a workpiece in the assembly clamps, and the assembly device comprises a rotor transmission assembly, a rotation shaft transmission assembly and a rotation shaft assembly component which are sequentially arranged at an external edge of the rotation disc. With the adoption of the technical scheme, the formation device, which is used for improving assembly efficiency and reducing assembly cost and is stable in assembly structure, of the full-automatic fan motor assembly equipment is provided.

The invention relates to an extrusion type distressing method for a finished worm. The method comprises the following steps that S10, the worm is placed on an extrusion station, and an extrusion pieceis aligned to a tooth groove in the worm; S20, a driving device enables the worm and the extrusion piece to be close to each other and implements extrusion; S30, in the extrusion state, the extrusionpiece rotates and drives the worm to rotate, and the extrusion piece moves along the tooth groove in the worm; and S40, after extrusion is finished, the driving device returns. The invention furtherrelates to a destressing device, wherein a lower plate can be driven by a hydraulic device to move up and down along guide columns; a base assembly is arranged on the lower plate, and a worm placing assembly for placing the worm is arranged on the base assembly; and the extrusion piece is fixed to the lower surface of an upper plate and driven by a motor to rotate. According to the extrusion typedestressing method for the finished worm provided by the invention, operation is facilitated, and damage to the worm is small. Meanwhile, according to the extrusion type distressing device for the finished worm further provided by the invention, the worm distressing operation can be conveniently implemented.

The invention provides a combined spliced door frame. A vertical pillar and a beam of the combined spliced door frame are each provided with steps corresponding to a door. The vertical pillar and the beam are each integrally formed through medal plates. The vertical pillar end of the vertical pillar and the beam end of the beam are spliced and combined, an inserting groove is formed in the low step of the vertical pillar end, and the high step of the vertical pillar end inwards retracts to form a first platform. A first inserting plate is arranged on the first platform in an extending mode, an inserting hole is formed in the high step of the beam end and matched with the first inserting plate in a corresponding mode, and the inserting hole is provided with an axial hole width for movement of the first inserting plate. The high step of the beam end is matched with the first platform in a corresponding mode, the low step of the beam end inwards retracts to form a second platform, and a second inserting plate is arranged on the second platform in an extending mode and matched with an inserting groove in a corresponding mode, and the second platform is matched with the low step of the vertical pillar end in a corresponding mode. Under the uncombined state, the vertical pillar and the beam are separated, conveying and moving are convenient, the more door frames are contained in the same space, the space is effectively utilized, and cost for conveying, storing and the like is reduced; and during crossed assembly combination, assembly is convenient, the structure is stable, and extra connecting pieces are not needed.

The invention provides a positioning mechanism for trial assembly for erection of a platform type power tower. The positioning mechanism includes a base, two sets of guide rails are fixedly arranged on both sides of the top of the base through bolts, and side supporting plates are fixedly arranged on the tops of guide rail sliding blocks of the base through bolts; a connection plate is fixedly connected between the two sets of the side supporting plates through bolts; four sets of through holes are formed in the bottom of the base; and a vertical plate structure is integrally arranged on one side of the base, a threaded barrel structure is integrally arranged in the middle of the vertical plate structure, a jacking screw is movably arranged in the middle of the vertical plate structure, and a circular structure is integrally arranged on the outer side of the jacking screw. By arranging the side supporting plates and the jacking screw, the function of 90-degree rotary installation is provided for the positioning mechanism, the power tower can be conveniently and horizontally subjected to trial assembly, other tests are conducted by rotating righting after assembly, the assembly structure is stable, rotation operation is easy, the circular structure is arranged on the outer side of the jacking screw, and auxiliary rotating is conveniently conducted by using a rod-shaped tool.

The invention provides a safety high-precision vaccine continuous feeding / injection apparatus. The apparatus comprises an injecting gun, a liquid container, a dilution puncture tube, a dilution backflow tube, a three-way change-over valve and a plurality of check valves, the liquid container is mounted on the injecting gun, and a liquid outlet of the liquid container is communicated with a liquid inlet of an injecting pipeline of the injecting gun through one of the check valves. By coinciding of an injecting position passage of the three-way change-over valve and the injecting pipeline of the injecting gun, the three-way change-over valve is assembled on the injecting pipeline, a dilution position outlet is communicated with the dilution puncture tube, and one of the check valves is arranged on a communication pipeline. A puncture end of the dilution puncture tube is used for puncturing into a vaccine vial, and one end of the dilution backflow tube is communicated with the liquid container. By the three-way change-over valve, a dilution passage or an injection passage can be adjusted, and a closed dilution circuit is formed in a dilution process, so that dilution of vaccine lyophilized powder in a closed internal circulation system of the injecting gun and the liquid container is realized. In addition, the dilution process is free of single manual operation, and accordingly probability of virus infection of workers is avoided.

The invention discloses a connecting method of sectional type blades and blade shafts of a wind generating set. The blades are provided with the shafts, and the two ends of the shafts are positioned. According to the method, each blade shaft (connecting cylinder) is divided into two sections, wherein a flange plate is designed at the joint of the two sections, and the two sections are connected through the flange plate. The method comprises the steps that firstly, the blades are segmented, and the blades comprises blade root sections and blade front sections; and the flange plates are designed at the joints of the blade front sections and the blade root sections, the flange plates can be inner flange plates or outer flange plates, and the blade root sections and the blade front sections are fixedly installed through the flange plates. According to the technical scheme, by arranging the connecting cylinders, the blades are connected through anti-flutter connecting assemblies in the connecting cylinders, so that the mounting strength and the mounting rigidity are high, the connection is stable, and the anti-flutter effect is good.

The invention discloses a novel three-dimensional adjustable hinge. The novel three-dimensional adjustable hinge comprises a hinge body, wherein the hinge body is provided with rotating shafts and hinge sheets; the rotating shafts comprise an upper shaft and a lower shaft; a lower inserting shaft is arranged at the bottom of the upper shaft; an inserting shaft groove is formed in the top of the lower shaft; the lower inserting shaft is inserted into the inserting shaft groove; the hinge sheets comprise an upper hinge sheet and a lower hinge sheet; the upper hinge sheet is connected to the upper shaft; the lower hinge sheet is connected to the lower shaft; a concave cavity is formed in the top of the upper shaft, and an opening is formed in the concave cavity; the upper page sheet is inserted into the concave cavity, and an inserting strip part is arranged in the concave cavity; first screw penetrating ports are formed in the cavity wall, opposite to the opening, of the concave cavity,and X-axis adjusting screws are hung on the cavity wall, opposite to the opening, of the concave cavity in a penetrating mode through the first screw penetrating ports; a second screw penetrating portis formed in the cavity wall, opposite to the opening, of the concave cavity, and an X-axis jacking and fixing screw is connected to the cavity wall, opposite to the opening, of the concave cavity ina threaded mode through the second screw penetrating port; third screw penetrating ports are formed in the cavity wall of the front side of the concave cavity, and front Z-axis adjusting screws are connected to the cavity wall of the front side of the concave cavity in a threaded mode through the third screw penetrating ports; fourth screw penetrating ports are formed in the cavity wall of the back side of the concave cavity, and back Z-axis adjusting screws are connected to the cavity wall of the back side of the concave cavity in a threaded mode through the fourth screw penetrating ports; the third screw penetrating ports correspond to the fourth screw penetrating ports in position; a Z-axis jacking and fixing screw is connected to one of the front side and the back side of the inserting strip part in a threaded mode; a screwdriver inlet is formed in the cavity wall of the concave cavity; a groove communicating with the inserting shaft groove is formed in the bottom of the lower shaft; and a Y-axis adjusting device is arranged in the groove. The novel three-dimensional adjustable hinge has the advantages that the structure is simple, a door body can be transversely and vertically adjusted and can be adjusted inside and outside, the installation precision is high, the adaptability is high, and installation is labor-saving and practical.