23results about How to "Uniform gap" patented technology

The utility model provides a moving contact system and a circuit breaker comprising the same. The moving contact system comprises a plurality of contact fingers which are arranged in parallel; the contact supporting piece comprises a supporting plate and a pair of supporting arms arranged on the two sides of the supporting plate, and the first ends of the plurality of contact fingers are pivotally installed between the pair of supporting arms; the plurality of springs are arranged corresponding to the plurality of contact fingers and are positioned between the plurality of contact fingers and the supporting plate of the contact supporting piece; and the insulating grating comprises a connecting part which is arranged between the contact finger and the spring. According to the moving contact system, the insulating grating is arranged between the contact finger and the corresponding spring, so that the spring can provide larger contact pressure for overcoming electro-dynamic repulsive force during short-time tolerance, the tolerance performance is improved, meanwhile, the insulating grating and the contact finger can keep synchronous movement, friction force is reduced in the switching-on / switching-off process, and the service life of the moving contact system is prolonged. And the mechanical performance of the circuit breaker is improved.

The invention relates to the technical field of shredding machine blade replacement, and discloses a shredding machine blade quick replacement mechanism which comprises a rotating roller, a pre-positioning mechanism is arranged on the outer side of the rotating roller, and a fixing mechanism is arranged in the rotating roller; the pre-positioning mechanism comprises a plurality of fixing frames, the inner wall of each fixing frame is fixedly connected with the outer surface of the rotating roller, two cutter bodies are slidably connected to the inner wall of each fixing frame, positioning columns are fixedly connected to the side faces, close to each other, of each set of cutter bodies, and the outer surface of each positioning column is slidably connected with the inner wall of the corresponding fixing frame. According to the rapid replacement mechanism for the shredder blade, by arranging the fixing frame, a stable mounting and bearing foundation can be provided for the cutter body, meanwhile, pre-positioning of the cutter body is achieved in cooperation with the magnetic attraction effect of a positioning column and a powerful magnet, and when an operator slides the cutter body into the fixing frame, the positioning column can move along the guide track of the fixing frame; and the adsorption force is generated.

The utility model discloses a cylindrical bearing assembly tool which comprises a base and an upper cover, an inner fixing assembly is fixedly assembled on the top of the base, and outer fixing assemblies are fixedly assembled on the side wall of the base in a bilateral symmetry mode. When the roller is installed, the roller slides into the outer ring raceway through the equally-divided grooves of the base, so that the roller is ensured to horizontally enter the outer ring raceway, the problems of gouges and scratches when the lower flange of the outer ring and the roller are assembled are effectively avoided, the roller is placed into the outer ring raceway through the equally-divided grooves, the gap between the two rollers is uniform, and the service life of the roller is prolonged. Compared with the prior art, a good foundation is laid for inserting the retainer base subsequently, the whole assembling operation can be completed only through one operator, and compared with a traditional assembling technology, the labor cost is saved, meanwhile, damage to the bearing in the assembling process is reduced, and the finished product quality of the bearing is improved.

This invention relates to the field of marine engineering equipment technology, specifically disclosing a segmented docking device and method for an offshore booster station, comprising: an upper section and a lower section. The lower section has an adjustment mechanism at its top, which includes a vertical adjustment structure and a horizontal adjustment structure. The vertical adjustment structure includes a mounting plate, a hydraulic jack, and a feedback plate. The mounting plate is connected to the top of the lower section by positioning bolts, and the hydraulic jack is connected to the top of the mounting plate by positioning bolts. The feedback plate is located above the hydraulic jack and on one side of the upper section. The horizontal adjustment structure includes a vertical plate, a drive motor, and a second feedback plate. The vertical plate is located on top of the mounting plate, and the drive motor is located on the side of the vertical plate opposite to the hydraulic jack. This device can improve the segmented docking accuracy, accelerate the construction progress, effectively control welding deformation, and ensure construction safety.

The utility model discloses a material distributing device for a belt filter, which comprises a shell, the shell is positioned above a filter cloth output starting end, and an inclined discharge port is arranged at the bottom of the shell; a height-adjustable T-shaped scraper is mounted above a main body of the filter cloth, a supporting beam with an inverted U-shaped structure is arranged above the T-shaped scraper, two guide rods which are arranged side by side are mounted in the supporting beam and penetrate through the supporting beam in the vertical direction, the bottom ends of the guide rods are connected with the top end of the T-shaped scraper through bolts, and the top ends of the two guide rods are connected through a connecting arm; a linear bearing is installed at the joint of the guide rod and the supporting beam, and a distance measuring sensor arranged downwards is installed under the supporting beam. According to the material distributing device, the size of the gap between the scraper and the filter cloth can be automatically adjusted according to different material characteristics, different process requirements are dynamically met, and the gap adjusting process is uniform and accurate.

The application discloses a peritoneal dialysis catheter assembly capable of preventing fibrin clot blockage, which comprises a drainage tube and a cleaning rod. The drainage tube is internally provided with an axially extending drainage cavity, and the drainage tube comprises an insertion section and a guide section, and the insertion section is provided with a plurality of drainage holes; the cleaning rod is arranged in the drainage cavity, the cleaning rod is coaxially arranged with the drainage tube, and the cleaning rod is provided with a plurality of blades. By means of the energy of the dialysate flow, the blades guide the local deflection and acceleration of the flow direction, induce continuous turbulence and vortex near the inner wall of the drainage cavity, the shear force in the turbulence area can effectively strip the fibrin clot adhered to the cavity wall, and the stirring action of the vortex prevents the deposition of new clots on the surface of the cavity wall. The arrangement of the plurality of blades can generate vortexes with alternating directions at different axial positions, avoid the single stable mode of the flow field and reduce the scouring efficiency, so that the unobstructed state of the drainage cavity can be maintained for a long time without relying on external power.

The application discloses a skylight welding feeding device, which comprises a placing rack, a welding mechanical arm and a conveying mechanism. The placing rack comprises a placing table, and the placing table is provided with a first placing surface, a second placing surface, a third placing surface and a fourth placing surface. The iron sheets placed on the adjacent placing surfaces are in contact at the head and tail to form a welding position. After the conveying mechanism conveys the iron sheets to the first placing surface on the placing table, the placing table is rotated to align the second placing surface with the conveying mechanism. After the conveying mechanism conveys the iron sheets to the second placing surface on the placing table, the placing table is rotated to align the third placing surface with the conveying mechanism. Meanwhile, the welding positions of the iron sheets on the first placing surface and the second placing surface are moved to below the welding torch of the welding mechanical arm. The application has the advantages of simple structure, high automation, synchronous feeding and welding, and high positioning precision.

This invention relates to the field of automotive component structure technology, specifically to a high-braking lamp mounting structure and disassembly method. It includes a trunk lid and a high-braking lamp. The trunk lid comprises an inner panel and an outer panel. When the trunk lid is closed, the outer panel has a mounting groove recessed downwards in the Z direction at its X-axis front end. The high-braking lamp is mounted within the mounting groove, and when the trunk lid is closed, the X-axis front end of the high-braking lamp connects to the X-axis rear end of the rear windshield. A fixing structure for securing the high-braking lamp within the mounting groove and an arrangement structure for facilitating the installation of wiring harnesses on the high-braking lamp are provided between the inner panel, outer panel, and high-braking lamp. The high-braking lamp mounting structure of this application is very simple. The high-braking lamp is located outside the rear windshield, unobstructed, easy to install and disassemble, increases the storage capacity of the rear cargo area while increasing the luminous area of ​​the high-braking lamp, and has significant potential for widespread application.

The utility model belongs to marble composite board field especially, it is a kind of multilayer co-extrusion weather-resistant organic artificial marble composite board, aiming at the spacing control difficulty of existing marble composite board: uneven gap when stone slab splicing, affect overall flatness and aesthetic property;Risk of thermal expansion and cold shrinkage: the problem of insufficient installation stability, present and propose the following scheme, including stone slab main part, the stone slab main part includes base plate, the upper layer resin plate of base plate top is sequentially laminated and bonded, lower layer resin plate, reinforcing plate and rubber plate, the second installation slot of accommodating lower layer resin plate, reinforcing plate and rubber plate is set in the upper layer resin plate bottom, in the utility model, when four stone slab main parts are spliced, connecting block realizes automatic alignment by mutual interference, ensure that gap is even;Connecting block thickness is much smaller than stone slab main part, after installation, the side connecting block can be quickly removed through easy-to-disassemble component (connecting broken groove, first strip broken groove, second strip broken groove), form reserved gap.

This invention relates to the field of building construction and discloses an installation device for waterproof panels on the exterior walls of prefabricated steel structures. The device includes a steel frame positioned at the wall connection point and an installation unit movably mounted on the steel frame. The installation unit includes a support component slidably connected to the steel frame for supporting the edge of the waterproof panel, a fixing component mounted on the support component for fixing the waterproof panel, and a clamping component mounted on the support component. This invention reduces manual operation time and labor intensity. Workers no longer need to manually support the waterproof panel for extended periods; installation can be completed simply by operating the relevant components of the device, significantly shortening the construction cycle. The fixing component stably clamps and fixes the waterproof panel, preventing shaking or displacement during installation, effectively improving installation accuracy and ensuring waterproofing performance.

The invention relates to the technical field of air bearings, and discloses an air bearing device capable of preventing axial movement, the air bearing device comprises an air supply system, a bearing base body and a rotating roller, a permanent magnet pre-tightening structure and an electromagnetic fine tuning structure are embedded on the inner wall of the bearing base body, and the outer surfaces of the permanent magnet pre-tightening structure and the electromagnetic fine tuning structure are coplanar with the inner wall of the bearing base body; the permanent magnet pre-tightening structure at least comprises two sets of permanent magnets arranged at intervals, the electromagnetic fine tuning structure at least comprises two sets of electromagnetic modules, the electromagnetic modules are located on the outer sides of the corresponding permanent magnets and tightly attached to the corresponding permanent magnets, and the magnetic direction of the electromagnetic modules is opposite to that of the permanent magnets. The thrust disc adopts a gas-magnetic division design, prevents axial movement by utilizing magnetic force, adopts a design of taking permanent magnet as a main part and taking electromagnetism as an auxiliary part, is highly integrated, does not need to occupy additional axial space, is more compact in structure, adapts to small and high-speed main shaft scenes, and is controllable in electromagnetic heating defect compared with a traditional thrust disc structure.

This invention discloses a rubber flooring, relating to the field of flooring technology, which solves the problems of existing rubber flooring processes that are difficult to maintain uniform flooring strength, unstable flooring splicing, and inconsistent gaps during layering. A rubber flooring includes a rubber layer, with a base mechanism installed on the lower end face of the rubber layer. The base mechanism includes a support frame, a honeycomb support mesh, a connecting frame, a groove, and a vibration-damping layer. The vibration-damping layer is installed on the lower end face of the support frame, and the honeycomb support mesh is installed on the lower end face of the vibration-damping layer. The connecting frame is installed on the outer side of the honeycomb support mesh, and the support frame is installed on the outer side of the connecting frame. Grooves are provided on the inner sides of the support frame and the connecting frame. This invention, through layering and covering the rubber flooring, effectively maintains the stability of the rubber, improves the flooring strength, facilitates stable splicing, and eliminates the need for grout sealing.

The invention relates to intelligent vibrating wire type sensing equipment based on 5G communication, and belongs to the technical field of vibrating wire sensors, the intelligent vibrating wire type sensing equipment comprises a mounting shell, a sensing cavity used for assembling a sensor body and a power supply cavity used for assembling a power storage module are formed in the two sides of the interior of the mounting shell respectively, a storage chamber is arranged above the mounting shell, and a refrigeration sheet is attached to the surface of the storage chamber; the electric power storage module is electrically connected with the sensor main body and the refrigeration sheet, a hollow heat conduction piece is arranged in the electric power storage module, a spiral heat conduction pipe is arranged outside the sensor main body in the length direction of the sensor main body, and the storage chamber, the heat conduction piece and the heat conduction pipe are communicated with one another and are filled with heat conduction fluid. The heat conduction piece can transfer heat generated by the power storage module to the sensor body through the heat conduction fluid, and in a high-temperature environment, the heat conduction fluid in the storage chamber flows into the heat conduction piece and the heat conduction pipe after being refrigerated by the refrigeration sheet, so that the temperature of the power storage module and the temperature of the sensor body are reduced.

The utility model relates to the technical field of automobile headlamp installation auxiliary tools, and provides an automobile headlamp installation auxiliary device which comprises a support body, a first support body and a second support body, a connecting flange is arranged at the top of the support body, and a swing joint is arranged between the support body and the connecting flange. A multi-dimensional headlamp clamping structure is formed by arranging the headlamp X-direction clamping air cylinder, the Y-direction clamping air cylinder, the Z-direction clamping air cylinder and the headlamp guide limiting block, stable clamping and positioning of a headlamp are achieved, and the headlamp is prevented from deviating, shaking, bumping and scratching in the transferring, overturning and assembling processes; through cooperation with an overturning adjusting mechanism composed of an overturning air cylinder, a second frame body and a third frame body, the headlamps can be switched to the feeding posture and the mounting posture, an operator can conduct rapid feeding conveniently, meanwhile, it is guaranteed that the mounting postures of the headlamps and a vehicle body are kept consistent, and it is structurally guaranteed that after the headlamps are assembled, gaps between the headlamps and the vehicle body are uniform, left-right symmetry is achieved, and the appearance matching degree is high; and manual repeated alignment adjustment is omitted.

The utility model discloses a plate-shaped heat preservation roof which comprises two symmetrical purlines fixedly connected to a building roof through bolts, the tops of the two purlines are fixedly connected with a bottom plate, the top of the bottom plate is provided with a rock wool plate, the top of the rock wool plate is provided with two symmetrical inner supports, and the inner supports are fixedly connected with the bottom plate through bolts. A waterproof vapor-permeable film is installed on the tops of the two inner supports, a roof panel is installed on the top of the waterproof vapor-permeable film, L-shaped plates are fixedly connected to the left sides and the right sides of the tops of the two purlines through bolts, and the tops of the L-shaped plates are fixedly connected with the bottoms of the inner supports through bolts. According to the roof structure, the bottom plate, the rock wool plate and the waterproof vapor permeable film are installed, so that the bracket plays a role in installing an auxiliary structure during installation, the bracket can disperse the load borne by the roof structure, then the connecting plate supports the bottom of the bottom plate, and finally the connecting plate supports the bottom of the bottom plate to form a stable supporting structure.

The utility model discloses a PET sheet thickness evenness control device, including thickness evenness control device, the thickness evenness control device is by upper end mounting bracket and bottom end mounting bracket constitutes, the upper end mounting bracket upside is installed with upper end extrusion mechanism, bottom end mounting bracket upside is installed with bottom end extrusion mechanism, the bottom end mounting bracket and upper end mounting bracket both ends between installation have range finding mechanism, bottom end mounting bracket and upper end mounting bracket between evenness have a plurality of distance adjusting mechanism, bottom end mounting bracket between the position below extrusion wheel between is provided with tension adjusting wheel. The utility model adopts gradual extrusion and not single extrusion, avoids the deformation, the wrinkle of sheet because of instantaneous excessive force, significantly promotes thickness evenness, and tension adjusting wheel and extrusion mechanism, bottom end extrusion mechanism) cooperation, can prevent sheet relaxation or overstretching, guarantees sheet form stable in processing process, reduces the rejection rate.

The invention discloses a high-frequency plasma arc welding machine based on pipe fitting machining, relates to the technical field of ion arc welding, and aims at solving the technical problems that in the existing pipe fitting edge rolling forming process, pipe fittings are prone to being low in forming precision, ports cannot be aligned, welding gaps are not uniform, and the follow-up welding quality is difficult to guarantee. Two supporting seats are fixedly connected to the top end of the base, round pieces are fixedly connected to the top ends of the supporting seats, top rail frames are fixedly connected to the top ends of the round pieces, sliding groove rails are formed in the top rail frames, and sliding rail seats are slidably connected to the interiors of the sliding groove rails. The high-frequency plasma arc welding machine based on pipe fitting machining has the technical effects that the multiple sets of arc-shaped attaching plates are driven to surround the outer side of a pipe fitting in the circumferential direction, the contour of the pipe fitting after edge rolling can be restrained, the pipe fitting is kept in a standard circle all the time, it is ensured that ports are aligned and gaps are uniform in the subsequent welding process, and a foundation is laid for high-quality welding.

The utility model belongs to the technical field of profiled pocket retainer, specifically discloses a profiled pocket retainer and split type self-aligning roller bearing thereof, which is composed of an outer ring, an inner ring, a spherical roller assembly, a fastening ring and fastening screws, the spherical roller assembly is installed between the outer ring and the inner ring, the spherical roller assembly comprises a spherical roller, an inner support ring, an outer support ring, a single-surface profiled spacer block and a double-surface profiled spacer block, the single-surface profiled spacer block is installed at both ends of the inner support ring and the outer support ring through countersunk screws, the double-surface profiled spacer block is arranged between the single-surface profiled spacer blocks at intervals, one spherical roller is arranged between every two spacer blocks of the bearing, thereby effectively controlling the skew and deflection of the rolling body during operation, reducing the heat generation and vibration of the bearing during use, effectively prolonging the service life of the bearing and reducing the production cost.

The application provides a kind of automatic installation device of launch vehicle relief valve, through elastic device, locking half clamping device, effectively realize the automatic suspension of relief valve and tee pipe combination and assembly docking, the vertical direction of fixed screw nut pair mechanism after fixed replaces the person who needs to drag relief valve combination outside cabin body.Compared with the prior art, the installation device of relief valve first guarantees the installation position of relief valve, the uniformity of flange surface docking and the accuracy of relief valve venting port centring and perpendicularity, then tightens and fixes the docking bolt nut of relief valve flange surface, the screw nut pair mechanism in three directions greatly improves the installation accuracy and avoids the matching error of operator.The second breakthrough of the application is that the motor is connected with the motion platform through the screw nut pair to complete the driving of the motion platform, so as to ensure that the gap of flange surface is uniform, the accuracy error of relief valve venting port centring and perpendicularity is within 1mm.

The utility model belongs to the technical field of agriculture, in particular to an adjustable ear picking plate structure of a corn header, which comprises a chain protective plate welding part, an adjustable ear picking plate, an adjusting rod welding part and an adjusting rod fixing seat, a chain protection plate welding part is fixed on the ear picking frame panel, and a base plate is fixed on the lower side of a chain protection plate welding part connecting seat; the adjustable ear picking plate is installed between the chain protection plate welding part and the ear picking frame panel, an adjusting part is arranged on the adjustable ear picking plate, an installation opening is formed in the adjusting part, and the end of the adjusting part is connected with an adjusting pin; the adjusting rod is connected with a connecting plate of which the upper side is provided with a socket; the connecting plate upwards penetrates through the panel of the ear picking frame, and the inserting opening is connected to the adjusting pin; and the adjusting rod is also connected with an adjusting handle. The adjusting device has the advantages that when the gap between the ear picking plates is adjusted, the adjusting device is only arranged on one side of the gap, in a plurality of ear picking frames, the positions of the adjusting handles are adjusted at the same time through the connecting lines, and therefore the multiple groups of ear picking plates can be adjusted at the same time.

The multi-seam cover plate comprises a supporting plate, at least one positioning piece and a plurality of supporting vertical plates, the supporting plate is provided with an open groove in the first direction, the positioning pieces are arranged in the open groove at intervals in the first direction, and the supporting vertical plates are arranged in the open groove at intervals and perpendicularly arranged on the top face of the supporting plate. A drainage seam used for drainage is formed between every two supporting vertical plates, at least one first clamping groove is formed in the positioning piece in the second direction at intervals, the supporting vertical plates are clamped in the first clamping grooves, and the first direction is perpendicular to the second direction. By means of the mode, the multiple supporting vertical plates are positioned and fixed through the positioning pieces, manual supporting is not needed in the welding process, the effect that the welding process is simpler, more convenient and faster is achieved, the supporting vertical plates can be accurately positioned through the positioning pieces, and the welding efficiency is improved. Therefore, gaps formed between the supporting vertical plates are uniform, the appearance is attractive, the bearing capacity is high, and deformation is not prone to occurring.

This utility model relates to a laser cutting machine blade module and a laser cutting machine, belonging to the field of laser processing equipment. The technical solution is as follows: a laser cutting machine blade module includes two blade bodies, which are parallel to each other. A central support and two side supports are provided between the two blade bodies, and both the central and side supports are connected to the two blade bodies. Along the length of the blade body, the central support is located in the middle of the blade body, and the two side supports are located at both ends of the blade body. A first observation port is provided on the upper edge of the side supports, and a second observation port is provided on the upper edge of the central support. The width of the second observation port is smaller than the width of the first observation port, and the second observation port is located in the middle of the first observation port. The relative position of the second and first observation ports allows for a direct visual observation of whether the blade is bending upwards or downwards, enabling early identification of deformation and avoiding processing waste and production losses due to undetected deformation.