24results about How to "Smooth turning" patented technology

The utility model discloses a kind of flap mechanisms, including box, box cover, baffle, hinge, sheet metal support, spring steel wire and pulley;Box top is equipped with box cover, baffle is fixedly connected in box outer wall one end, hinge is located at baffle both ends, sheet metal support is fixedly installed in baffle one end, spring steel wire rotation is connected in sheet metal support lower side both ends, pulley rotation is connected in one end of spring steel wire.The utility model is compared with prior art's advantage lies in: the utility model utilizes the spring steel wire and the elasticity and torsional force of repeatedly contact cooperation between hinge to promote hinge, when hinge moves back, hinge profile promotes pulley movement, box cover is in open state at this time, the angle of opening and closing is locked by limiting screw and cam limiting boss between pulley and hinge simultaneously, it is convenient to open and close box cover stably, and the present mechanism does not need gas spring, service life is long, the stability when box door cover opens and closes is improved.

The invention discloses silicon carbide crystal growth furnace equipment convenient to operate, and relates to the technical field of silicon carbide crystal growth furnace equipment. The device comprises a workbench, a crystal growth furnace body is fixed on the upper surface of the workbench, and a top cover is cooperatively arranged at the top of the crystal growth furnace body; a screw rod is rotatably mounted on the upper surface of the workbench on one side of the crystal growth furnace body, the end part of the screw rod is rotatably mounted on a cross beam, and the end part of the cross beam is connected with a support column; a driving structure for driving the screw rod to rotate is mounted on the bottom side surface of the worktable; an arc-shaped rail is arranged on the upper surface of the workbench with the lead screw as the circle center, and a sliding block moving along the arc-shaped rail is installed at the bottom end of the supporting column; installation lugs are arranged on the periphery of the top cover, the supporting column movably penetrates through one installation lug, and a nut matched with the lead screw is installed on the other installation lug. By means of the mechanical cover opening mechanism composed of the lead screw, the arc-shaped rail and the driving structure, automatic and stable opening and closing of the top cover are achieved, and the labor intensity of operators is greatly reduced.

The invention provides a vision tracking training early education toy with a built-in projection function, and relates to the technical field of vision tracking toys, the vision tracking training early education toy comprises a reciprocating motion toy, and the reciprocating motion toy comprises a shell serving as an integral framework to play a supporting and protecting role; the shell cover is detachably mounted at the port of the shell to close the shell and protect the interior of the shell; the projection part is arranged in the shell, can rotate along with the shell and keep the position unchanged, and can project different images; the eccentric module can adjust the overall gravity center position; the whole body can be driven by the moving part to transversely move; the inertia module can brake the moving part to be matched with the eccentric module to enable the whole body to turn over. The toy is driven by the moving part to integrally move in a transverse reciprocating mode, the toy is matched with the synergistic effect of the eccentric module and the inertia module to achieve the overturning action, diversified and non-monotonous movement tracks are formed, meanwhile, low-intensity natural sound generated along with the overturning action can continuously attract the attention of a baby, the baby is guided to actively follow the sight, and the safety of the baby is improved. And the visual tracking capability and the attention concentration degree are effectively exercised.

The utility model relates to the technical field of greenhouse equipment, in particular to an automatic ventilation adjusting window device of a traditional Chinese medicine seedling greenhouse, which comprises a window frame, an inner sleeve window and an opening and closing component are arranged on the window frame, the opening and closing component comprises an opening and closing motor and a long shaft, the opening and closing motor drives the long shaft to rotate, and a plurality of driving levers are fixed on the long shaft. According to the automatic ventilation adjusting window device of the traditional Chinese medicinal material seedling growing greenhouse, through a worm and gear transmission mechanism, automatic locking can be achieved after a ventilation window is adjusted to a designated position by means of the self-locking characteristic of a worm and gear, automatic movement or accidental opening and closing of an inner sleeve window caused by strong wind is avoided, and the wind interference resistance is enhanced; stable and accurate opening and closing control of the ventilation window can still be realized in severe weather, and a stable greenhouse environment is provided for seedling culture of traditional Chinese medicinal materials.

The application relates to a barrel cover lifting device for a stirring cylinder, and relates to the technical field of material stirring equipment.The barrel cover lifting device comprises a rack, a lifting frame, a lifting assembly and a connecting assembly.The rack is installed on one side of the cylinder, and the rack is provided with the barrel cover.The lifting frame is arranged on the rack in a liftable mode.The lifting assembly is installed on the rack, and is used for driving the lifting frame to lift.The connecting assembly is installed on the lifting frame, and is used for mounting the barrel cover on the lifting frame.The opening and closing process of the barrel cover is rapid and stable, the preparation time required for feeding, cleaning or maintenance is greatly shortened, and the overall operation efficiency and the production rhythm of the equipment are effectively improved.

This utility model discloses a battery casing and a lithium battery, belonging to the field of lithium battery technology. The casing includes an explosion-proof hole that penetrates one side plate of the casing. The side plate includes a first plane and a second plane arranged opposite to each other, with the second plane facing the battery cell. A reinforcing bracket is provided along the outer periphery of the explosion-proof hole on the second plane, protruding away from the second plane. The outline of the reinforcing bracket's orthographic projection on the second plane matches the outer periphery of the explosion-proof hole. The reinforcing bracket of this utility model improves the strength of the casing, preventing deformation of the casing under high internal pressure and ensuring stable opening of the explosion-proof valve. Moreover, the reinforcing bracket also supports the battery cell. When the battery cell expands or shifts, the reinforcing bracket blocks the cell, preventing blockage of the explosion-proof hole and ensuring smooth venting.

The utility model discloses a tricycle independent suspension system belongs to tricycle suspension technical field, including two mounting brackets, the mounting bracket one side is installed with second universal transmission mechanism, and second universal transmission mechanism output end is connected with the mounting disc head, still includes reduction gearbox and transmission rod, reduction gearbox both sides output end all are connected with first universal transmission mechanism, and reduction gearbox one side fixed mounting has drive motor, and drive motor output shaft is connected with the transmission gear one side in reduction gearbox, in the utility model, through setting up two mounting brackets, through two mounting brackets respectively with tricycle frame installation, make the rear two drive wheels directly disconnect the axis connection, and then make tricycle when one side drive wheel meets the bump, make the drive wheel movement of this one side not or very few directly transmit to the drive wheel of another side to the car body vibration and impact feeling of big -size reduction, promote the riding comfort.

The invention relates to the technical field of valve driving, in particular to a high-pressure opening and low-pressure maintaining valve driving circuit based on a monostable trigger, which comprises a monostable trigger output module and a valve driving module, and the output end of the monostable trigger output module is connected with the input end of the valve driving module. The monostable trigger output module inputs the high-level control signal into the valve driving module to drive the electromagnetic valve, the monostable trigger output module is used for generating the high-level control signal with a fixed time length, and the valve driving module is used for driving the electromagnetic valve; through general electronic devices, the high-voltage opening time can be controlled, it is guaranteed that the electromagnetic valve is opened stably and kept in an opening state under low voltage, the problem that the electromagnetic valve is in a high-voltage closing state for a long time, power consumption is too large, and consequently temperature rise is caused is solved, loss of the electromagnetic valve is reduced, and the service life is prolonged.

The present application discloses a kind of heavy die test press machines, including body frame, main oil cylinder, body frame is made of lower crossbeam, column and upper crossbeam.Key features include slider, lifting cylinder, motor, friction stopper and moving platform.Slider includes rotary slider, pressurized slider and side slider, wherein pressurized slider is installed in frame by guide rail, connected with main oil cylinder.Side slider moves up and down through guide assembly and guide rail, and double-side lifting cylinder drives its action.Rotary slider connects two side sliders through rotary shaft, and motor is installed on side slider, rotary motion is realized through driving gear and rotary gear.Moving platform is installed on lower crossbeam, used for installing lower die.Through innovative double-side synchronous drive and gear set driving, the test press machine improves system stability, rotary load capacity and test function, and provides significant technical advantage for large, heavy die test requirements.

The application discloses a semitrailer acceleration compensation method, device, equipment and storage medium, and belongs to the technical field of automobile control. The semitrailer acceleration compensation method comprises the following steps: acquiring a planned acceleration, a current hinged angle, a current vehicle speed and a current load mass at a current moment; performing linear interpolation in a preset three-dimensional space based on the current hinged angle, the current vehicle speed and the current load mass to obtain a curve acceleration compensation amount; a horizontal axis of the preset three-dimensional space represents a vehicle speed, a vertical axis represents a hinged angle, and a vertical axis represents a vehicle load mass; and obtaining an acceleration control amount based on the planned acceleration and the curve acceleration compensation amount. The application can correct the problem of reduced longitudinal control acceleration performance of a semitrailer caused by a curve scene, so that the semitrailer can successfully complete turning.

The utility model discloses a diaphragm pump structure. The diaphragm pump structure comprises a pump body; the one-way valve body is arranged on one side of the pump body; the liquid inlet one-way valve is arranged between the pump body and the one-way valve body; the liquid outlet one-way valve is arranged between the pump body and the one-way valve body; the diaphragms are arranged in the pump cavities of the pump body; the diaphragm driving mechanism is arranged on the other side of the pump body and is used for driving each diaphragm to reciprocate; the liquid inlet one-way valve and / or the liquid outlet one-way valve are / is diaphragm type one-way valves. The liquid inlet one-way valve and the liquid outlet one-way valve are diaphragm type one-way valves, fit and separation between the liquid inlet one-way valve and the liquid outlet one-way valve and a flow channel are achieved through elastic deformation, one-way flowing of fluid is controlled, high-precision machining is not needed, use cost is low, limitation of installation angles and positions is avoided, and installation and use are more flexible.

The invention relates to a component mounting assembly in a power transformation cabinet and the power transformation cabinet, the mounting assembly comprises a sliding frame, an insertion frame, a rotating plate, a mounting frame, a sliding block and a connecting rod, the sliding frame is fixed in the power transformation cabinet, the insertion frame is slidably mounted on the sliding frame, the rotating plate is rotatably mounted on the insertion frame, the mounting frame is fixed on the rotating plate, and the sliding block is slidably mounted on the insertion frame. And the other end of the connecting rod is fixedly connected with the rotating plate. Compared with the prior art, the power transformation cabinet has a sliding and rotating multi-stage movement structure, the mounting positions of components in the power transformation cabinet can be flexibly adjusted, the overall position can be adjusted through sliding along the sliding frame, the components can be overturned through the rotating plate, the adjusting flexibility is high, and the practicability is high. The problem that the maintenance and wiring operation space of a traditional fixed installation mode is limited is solved, installation of large components can be met, and meanwhile the stability of rotation adjustment is guaranteed through a connecting rod linkage structure.

The invention discloses a cable laying device and method for electric power engineering, and relates to the technical field of electric power engineering.The cable laying device comprises a frame body and universal wheels, the bottom of the frame body is fixedly connected with the fixed ends of the universal wheels, a supporting frame is fixedly connected to the top of the frame body, and a winding wheel is arranged at the top of the supporting frame; a distribution box is arranged on the side face of the supporting frame, the top of the frame body is fixedly connected with an adjustable front end lower pressing roller, the top of the frame body is fixedly connected with a guide plate, the side face of the guide plate penetrates through and is rotationally connected with a rotating shaft, and a self-adaptive cable conveying device is arranged at the top of the frame body. A handheld guide device is arranged at the top of the frame body, and a pressure loss warning device is arranged at the top of the frame body. Through the arrangement of the self-adaptive cable conveying device, the self-adaptive cable conveying device can automatically adjust the conveying pressure and tension according to cables of different specifications, and the flexibility and adaptability of cable laying are improved.

The utility model belongs to sewage treatment technical field, concretely relates to a gas field sewage treatment device, include: treatment pond, be fixed in the filter pond that the bottom of the filter pond communication of the top front end of treatment pond, set up in the filter paper subassembly of filter pond in, be fixed in the support frame of filter pond front end, the top of support frame is fixed with hoist, the top inboard middle position of support frame is fixed with the group of pulley, the steel wire rope on hoist passes through the group of pulley and is fixedly connected the filter paper subassembly rear end top middle position after. The utility model discloses filter hopper realizes the upset through hoist traction, and the inside residual of filter hopper is convenient for cleaning while dumping the particulate matter of filtration, in addition, the utility model discloses filter agitator motor and reagent agitator motor independent setting, can control filter agitator motor and reagent agitator motor action respectively according to the treatment flow, avoids the unnecessary energy consumption caused by synchronous rotation in the prior art.

This invention discloses an M-shaped automated container terminal loading and unloading system, including quay cranes, a container yard, and rail-mounted gantry cranes. The quay cranes are located at the front edge of the terminal. The container yard is vertically located behind the rails of the quay cranes and contains multiple container zones. Each container zone contains at least one rail-mounted gantry crane. Every two container zones form a group, and the rail-mounted gantry cranes within the same group are arranged back-to-back. An external lane and an internal lane are sequentially located outside the rail on one side of the cantilever end of each rail-mounted gantry crane. This invention also discloses an M-shaped automated container terminal loading and unloading method. This invention improves the utilization rate of the container yard and increases the container stacking area. Simultaneously, the use of a single cantilever rail-mounted gantry crane reduces the volume and weight of the container yard equipment, thus reducing equipment investment. Furthermore, the external truck lane is located outside the rail of the cantilever rail-mounted gantry crane, avoiding safety hazards.

The present application relates to a kind of hanging rail type intelligent fire-fighting inspection robot, including lightweight aluminum alloy multistage assembly track, inspection robot and foldable mounting rack, adjacent track section is supported and fixed by track installation platform. Matching quick mounting mechanism and quick mounting seat are arranged between track section and installation platform, realize quick disassembly and assembly;With fine adjustment sliding slot, the installation position can be fine adjusted, to ensure that track is accurately connected. The mounting rack adopts hinged folding structure, which is convenient for storage and transportation. When working, self-locking stability is realized through clamping structure and supporting pin. Drive wheel assembly is provided on the top of the robot, which is tightly fitted to the bottom surface of the track by relying on torsional spring, to ensure stable driving. The side hanging wheels can be adjusted by opening and closing through bidirectional threaded rods, which is convenient for equipment installation on the track. The two sides of the robot prevent the convex rod from falling into the hanging wheel sliding groove, effectively preventing the equipment from falling due to damage to the hanging wheel structure. The overall structure is convenient to disassemble and assemble, safe, and suitable for mobile installation and inspection scene in construction site.

The utility model relates to the field of flexible door, concretely relates to a flexible door with wind -resisting structure, including flexible door frame, the main part for bearing door curtain storage and withdrawal, flexible door head, set up in the top of flexible door frame, for constituting flexible door, and the inside both sides of flexible door frame are equipped with inner slide groove, the inside slide connection of inner slide groove has inner sliding block, the outside fixed mounting of inner sliding block has wind -proof frame, the bottom of wind -proof frame is provided with bottom support winding frame, the outside of wind -proof frame is penetrated and has fixed bolt. The utility model is provided with flexible door frame, wind -proof frame, outer flexible door curtain support block, drive motor, rotating plate, main support rod and auxiliary support rod, when using the flexible door, after the outer flexible door curtain is put down, not simply adhere to the outside of flexible door frame, but be driven together up and down in the flexible door frame activity by inside multiple sets of wind -proof frame, like this, the structural property and wind -resisting capacity of outer flexible door curtain itself are strengthened.

The utility model discloses a polyurethane tire with a symmetrical tread pattern structure, which relates to the field of tires, and comprises a tire body and tread patterns, the tread patterns are symmetrically distributed by taking the central axis of the tire as a symmetry axis, the tread patterns are composed of a plurality of independent pattern block units, each pattern block unit is of a rhombus structure, and the pattern block units are arranged on the tire body. According to the utility model, the tread patterns are symmetrically distributed by taking the central axis of the tire as the symmetry axis, so that the left side and the right side of the tire are uniformly stressed in the running process, and when a vehicle turns, changes lanes or runs in a straight line, the tread patterns are uniformly stressed; the left-right symmetrical pattern structure can ensure that the friction force between the tire and the ground is uniformly distributed, so that the problems of running off tracking, side slipping and the like caused by asymmetrical patterns are avoided, the running stability of a vehicle is improved, and a driver can more accurately control the running direction of the vehicle.

A slewing device driven by double hydraulic cylinders relates to the technical field of engineering machinery and comprises a rack, a slewing bearing is mounted on the rack, a rotary table is mounted on the slewing bearing, hinge seats are mounted on the left side and the right side of the rotary table, a fixed hinge seat is mounted at the top of the rack, and a driving oil cylinder is mounted on the fixed hinge seat in a hinged manner. The slewing device driven by the double hydraulic cylinders is large in driving force, higher in impact bearing capacity and more stable in cantilever crane slewing, the phenomenon that the cantilever crane shakes due to factors such as scale side gaps and impact is reduced, and the slewing device driven by the double hydraulic cylinders is more stable in cantilever crane slewing. And the structure is simple, the maintenance is easy, and the damage risk is reduced.

The utility model relates to the technical field of pulping machine, specifically disclose a hinge device that can prevent pulping machine cover to plummet, include: the hinge seat of cover, fixed on the cover, install self -lubricating bearing and pin shaft in the hinge seat of cover, the pin shaft passes through the self -lubricating bearing, hinge seat subassembly, fixed on the machine body, the hinge seat subassembly includes upper hinge seat and lower hinge seat, the upper hinge seat with the lower hinge seat all are located the below of hinge seat of cover, and with hinge seat of cover contact, tight screw, set up on the hinge seat subassembly, for fixing the one end of pin shaft, the utility model discloses the hinge seat subassembly by adopting split type design, by the upper hinge seat and lower hinge seat jointly constitute stable double -point support structure, effectively undertake and even dispersed cover's weight, combine the upper and lower hinge seat and clearance compensation gasket of independent adjustable, have the high adjustability and adaptability.

The utility model discloses a hand-cranking connecting rod type window opener, and relates to the technical field of window openers, the hand-cranking connecting rod type window opener comprises a window opening assembly, one end of the window opening assembly is provided with a transmission assembly, the window opening assembly comprises a base and a window opening connecting rod, one end of the window opening connecting rod is provided with an installation assembly, and the installation assembly comprises an installation seat. A hinge seat is arranged on one side of the mounting seat and hinged to one end of a window opening connecting rod, rotating seats are arranged at the two ends of the mounting seat, guide holes are formed in the rotating seats, second threaded rods are inserted into the guide holes in a penetrating mode, suckers are fixedly mounted at one ends of the second threaded rods, and rotary knobs are rotationally connected to the rotating seats. The knob is in threaded connection with the second threaded rod; the device can be stably and fixedly connected with a window door, a window frame does not need to be drilled, a user can conveniently crank a crank to control opening and closing of the window, and the device has high practical value.

The utility model relates to the technical field of clothes sorting, in particular to a steel belt type clothes conveying device which comprises a machine frame, a steel belt type conveying belt and a conveying power mechanism. The steel belt type conveying belt comprises a steel belt guide rail, a steel belt main body and a steel belt guide wheel assembly which are arranged on the rack, the steel belt main body is arranged on the steel belt guide rail through the steel belt guide wheel assembly, and a meshing transmission part matched with the driving transmission gear or the driven transmission gear and a hanging part used for hanging a clothes hanger are formed on the steel belt main body; the steel belt guide rail, the steel belt body, the steel belt guide wheel assembly and the conveying power mechanism are matched to replace a traditional chain type conveying line, the structure is simpler and more reasonable, the section size of the conveying guide rail can be reduced, the overall manufacturing cost can be reduced, turning is smoother, noise is low, and the conveying efficiency is improved. The automatic conveying device can be better suitable for automatic conveying of clothes.

The invention relates to the technical field of underground coal mine transportation, and discloses an anti-explosion lithium battery dispatching locomotive for a coal mine, two fixing seats are provided with clamping oil cylinders, the opposite sides of the two fixing seats are provided with braking devices, one side of one fixing seat is provided with a speed sensor, the bottom of one fixing seat is provided with a first sliding groove, and the bottom of the other fixing seat is provided with a second sliding groove; wherein one fixing shaft is movably connected to the interior of the first sliding groove, a hydraulic assembly, a control assembly and a power supply assembly are arranged in the fixing frame, and a protection assembly is installed on the outer side of the fixing frame. The driving motor, the driving wheel, the clamping oil cylinder, the brake device, the hydraulic assembly, the control assembly and the power supply assembly are integrated, so that the overall size of the locomotive is greatly reduced, the maneuverability and the flexibility of the locomotive are improved, and when the locomotive makes a turn horizontally or vertically, the operation is convenient. The fixing shaft on one connecting frame can slide in the first sliding groove, position compensation can be carried out, and turning of the locomotive is smoother.