51results about How to "Ensure movement stability" patented technology

The invention belongs to the technical field of launching of underwater unmanned aerial vehicles, and discloses a deceleration recoil resistance prevention device for complex water conditions. Comprising an unlocking assembly, a mounting assembly and a speed reduction assembly. A plurality of symmetrically-distributed electromagnets are arranged on the periphery of the unlocking assembly, the mounting assembly is fixedly arranged at the bottom of the unlocking assembly, and the positions, corresponding to the electromagnets, of the periphery of the mounting assembly are each provided with a speed reduction assembly; the speed reduction assembly comprises a swing rod, a wing piece, an unlocking iron plate and an unfolding spring. The swing rod is rotationally arranged at the bottom of the mounting assembly through a rotating shaft, the wing panel is fixed to the inner side of the swing rod, and the unlocking iron plate is arranged on the inner side of the wing panel, corresponds to the electromagnet in position and is used for attracting the electromagnet; the unfolding spring is fixed to the inner side of the wing piece and used for pushing the wing piece to be unfolded when attraction between the unlocking iron plate and the electromagnet is removed. According to the invention, the speed of the floating process of the preset platform can be reduced, so that the invisibility and stability of launching can be improved.

The magnetic suspension type flexible wall-climbing robot comprises a first rack, supports are installed at the two ends of the first rack, and cameras are installed on the two supports to assist robot operation and environment perception; the two dynamic balance units are symmetrically distributed, the distance sensor controls the dynamic balance units to conduct angle adjustment, the lower end of the first rack is provided with two first magnetic attraction pieces which are symmetrically distributed, and the two ends of the first magnetic attraction pieces are provided with two movable second magnetic attraction pieces which are symmetrically distributed. And each second magnetic attraction piece is movably arranged at the lower end of the second rack, third magnetic attraction pieces are distributed at the two ends of each second magnetic attraction piece, and the third magnetic attraction pieces are installed on the magnetic attraction wheels. The falling risk caused by attitude imbalance is effectively prevented, and the safety and reliability of operation are greatly improved.

The utility model provides an in-vehicle armrest structure assembly which comprises an armrest, and a storage cavity is formed in the armrest. The cover plate is arranged on the handrail; the conversion assembly is used for connecting the handrail and the cover plate and is arranged to enable the cover plate to turn over between a closing position for covering the storage cavity and an opening position for using the storage cavity relative to the handrail; and the cover plate ascends and descends between the closing position and the lifting position which is lifted relative to the handrail and is also used as a table plate. The utility model relates to the technical field of automotive upholstery, and can solve the problems that a small table plate in the prior art is large in application limitation, inconvenient to use, large in occupied space during horizontal rotation, small in usable area and poor in structural strength.

The invention discloses a horizontal low-pressure vibration test moving coil balance control method and device, and the method comprises the steps: obtaining the speed of a moving coil through detecting the displacement of the moving coil, adjusting the opening degree of a vacuum solenoid valve or an air source solenoid valve according to the speed of the moving coil through employing a corresponding linear control function, and enabling the speed of the moving coil to be zero when the moving coil reaches a balance position. And the moving ring can quickly and stably return to the balance position after exceeding the balance position threshold value. According to the horizontal low-pressure vibration test moving coil balance control method, the problem that the moving coil is difficult to accurately reach the balance position is solved, the moving coil can rapidly and stably return to the balance position after exceeding the balance position threshold value, and the control precision in the moving coil position adjusting process is effectively guaranteed.

This invention proposes an energy storage-assisted unlocking structure, a socket and connector assembly, and an unlocking method. The energy storage-assisted unlocking structure includes: a locking sleeve; an energy storage push rod slidably inserted within the locking sleeve, with an annular groove on its inner circumferential surface; an energy storage spring abutting against the end of the energy storage push rod, which maintains compressed energy storage during locking and releases to drive the energy storage push rod axially during unlocking; a locking steel ball disposed between the energy storage push rod cavity and the energy storage locking rod, which can move radially; and an energy storage locking rod slidably inserted within the energy storage push rod cavity, which, during locking, forces the locking steel ball into the annular groove for radial limiting and allows the locking steel ball to disengage from the annular groove during unlocking. This invention, through the energy storage push rod and energy storage spring, pre-compresses the energy storage spring to store elastic potential energy during locking and releases this potential energy during unlocking to drive the energy storage push rod to impact the target locking rod, transforming traditional static pull-out unlocking into dynamic impact unlocking. Under overload conditions, only a small operating force is required to complete unlocking, effectively solving the problem of excessive unlocking force or even jamming in existing structures under overload, and significantly improving unlocking reliability.

The utility model discloses an automatic lifting cutting device, which relates to the technical field of optical fiber cutting and particularly comprises an electric lifting execution structure, a tool bit fixing structure and a guide reset structure. The tool bit fixing structure comprises a tool bit bearing platform, a baffle connected with the tool bit bearing platform, a tool bit fixing shaft movably connected with the middle of the top end of the tool bit bearing platform and a displacement sensor connected with one side of the top end of the tool bit bearing platform. The electric lifting executing mechanism comprises a motor mounting plate, an ejector rod movably connected with the motor mounting plate, a second servo motor connected with the motor mounting plate and a ball screw movably connected with the motor mounting plate, and the ejector rod is located below the baffle. According to the automatic lifting cutting device, real-time dynamic adjustment of working coordinates of the tool bit is achieved through the digital control system, intelligent matching of cutting parameters is achieved, and the adaptability and cutting precision of the device to optical fibers of different specifications are improved.

The invention relates to the technical field of steel wire pipe production, in particular to steel wire pipe online material separating and pushing equipment which comprises two external connecting plates used for being connected with an external machine tool, lead screws are installed on one sides of the two external connecting plates in a threaded mode, and a working platform is jointly and fixedly installed at the tops of the two lead screws. An inclined placing plate is arranged on one side of the external connecting plate; the pushing assembly is arranged below the working platform; and the multiple feeding assemblies are all arranged above the inclined containing plate. Compared with the prior art, the feeding assembly is internally provided with the conveying module, so that the feeding assembly can adapt to steel wire pipes of different specifications, and the automation level of feeding and the universality and flexibility of the whole equipment are improved.

The utility model discloses a kind of lining blanking machine for square tube lining plate welding, belong to welding auxiliary equipment technical field, the blanking machine mainly includes storage rack and push mechanism, storage rack is formed by first carriage, second carriage and the connecting end plate of both ends, form a slightly wider lining blanking passage, for horizontal stacking lining plate, push mechanism is fixed in storage rack bottom end side, its execution end is aligned with the lowermost lining plate of blanking passage, by cylinder driving connecting rod and L type poking piece mechanism, the lowermost lining plate is horizontally pushed out;Upper lining plate is automatically dropped to supplement under the action of gravity in succession, the utility model realizes the automatic, continuous, accurate blanking of lining plate, effectively improve the automation degree and production efficiency of square tube lining plate welding, reduce manual operation intensity and security risk.

The application discloses a multi-direction locking type tooling fixture for a numerical control machining center, which comprises a cabinet containing a platform plate, a clamp assembly is arranged on the platform plate, each clamp assembly contains two groups of linear motors, one group of linear guide rod modules, one group of rotary cylinders and one group of clamp carriages, the two groups of linear motors are arranged in parallel, the linear motor contains a first moving carriage, a bearing assembly is arranged on the first moving carriage, a limiting track is arranged on the lower surface of the linear guide rod module, the limiting track is in limiting sliding connection with one of the bearing assemblies, the linear guide rod module contains a second moving carriage, the rotary cylinder is fixedly installed on the second moving carriage, the rotary cylinder is in driving connection with the clamp carriage, and the clamp main body is installed on the clamp carriage. The linear guide rod module is driven by the two groups of linear motors, the linkage control of the rotary cylinder is combined, multi-dimensional accurate positioning of the clamp main body in the horizontal, vertical and rotary directions is realized, and the adaptability to special-shaped workpieces is remarkably improved.

The utility model relates to the technical field of kitchen appliances, and discloses an exhaust fume collecting hood of a range hood, which is provided with an exhaust fume suction port and an exhaust fume collecting cavity, and comprises an exhaust fume collecting hood shell, an exhaust fume collecting hood cover and an exhaust fume collecting hood cover, the opening and closing plate is used for opening or closing the smoke suction port; the opening and closing mechanism comprises a mounting frame and a first connecting rod, the first connecting rod is connected to the mounting frame and the opening and closing plate, the mounting frame is mounted on the lower surface of the top plate and adjacent to the side plate, and a reinforcing structure is arranged between the mounting frame and the side plate. According to the utility model, the opening and closing mechanism is fixed on the top plate, so that the appearance of the product is ensured, the opening and closing mechanism is convenient to install and fix, and the reinforcing structure is arranged near the top plate, so that the reinforcing structure can support and reinforce the top plate, and the bearing capacity of the top plate is improved; the deformation of the top plate caused by the long-term weight effect of the opening and closing mechanism is avoided, and the overall structural strength of the exhaust fume collecting hood and the movement stability of the opening and closing mechanism are guaranteed.

The utility model discloses a clay delivery pump piston rod three-layer sealing structure, and relates to the technical field of cylinder rod sealing, the clay delivery pump piston rod three-layer sealing structure comprises an outer sleeve, one side of the outer sleeve is provided with an air outlet end in a penetrating manner, the bottom end of the outer sleeve is connected with an air guide base, and the outer sleeve is internally provided with a sealing mechanism; the sealing mechanism seals a gap in the connecting position of the outer sleeve and the air cylinder rod, external clay is prevented from entering the outer sleeve in the displacement process of the air cylinder rod, a telescopic mechanism is arranged in the outer sleeve, and the telescopic mechanism conducts air pressure stretching and retracting on the bottom end of the air cylinder rod. And the telescopic size of the air cylinder rod is adjusted and controlled. The flexible U-shaped sealing gasket, the labyrinth sealing sleeve and the rigid annular blade are combined and jointly act on the air cylinder rod, the double-protection sealing effect is achieved, and meanwhile the connecting tightness of the outer side of the air cylinder rod is improved through the flexible U-shaped sealing gasket and the labyrinth sealing sleeve.

The invention discloses a subreflector electric lifting assembly and an antenna, and belongs to the technical field of antennas. The auxiliary reflecting surface electric lifting assembly comprises a bottom plate, a driving motor, two reversing transfer cases, a plurality of right-angle commutators, three linear executing mechanisms and a connecting plate. A driving motor divides power into two paths through a first reversing transfer case, and one path drives a first linear execution mechanism through a first vertical right-angle reverser; and the other path sequentially passes through a first horizontal right-angle reverser and a second reversing transfer case for secondary distribution and steering, and finally drives a second linear actuating mechanism and a third linear actuating mechanism directly and respectively through a second horizontal right-angle reverser and a second vertical right-angle reverser. The three linear executing mechanisms stretch out and draw back synchronously to drive the connecting plate and the auxiliary reflecting surface to lift integrally and stably. The single driving motor is matched with the specific mechanical transmission chain, so that three-point rigid synchronous driving is realized, and the problems of inconvenience in manual lifting of the auxiliary reflecting surface of the vehicle-mounted antenna, poor synchronous precision of multiple motors and over-limit transportation are solved.

The present invention relates to a deformable flexible rudder for an underwater vehicle, comprising a rudder bow fixed to the outer surface of the underwater vehicle, the tail end of the rudder bow is bonded to a deformable rudder middle part, the tail end of the rudder middle part is bonded to a rudder tail part, and along the chord length direction of the flexible rudder, the ratio of the length of the rudder bow to the total length of the flexible rudder is greater than 3:10; a through hole is provided in the middle of the rudder bow, and the through hole is used to install a rudder shaft, one end of the rudder shaft is connected to the output end of the steering gear, and the other end of the rudder shaft extends through the through hole to the outside of the rudder bow; a connecting rod is fixed on the outside of the rudder tail, the connecting rod is arranged parallel to the rudder shaft, and the connecting rod and the rudder shaft are connected by a connecting piece. By providing a flexible rudder, the maneuverability of the rudder can be improved, and the rigidity and strength of the overall structure of the rudder can be improved, thereby improving the structural stability between the underwater vehicle and the flexible rudder at high speed, and ensuring the running stability and safety of the underwater vehicle.

The invention discloses a floating foot structure for floating sleep-aiding equipment. The problems that existing equipment is insufficient in buoyancy, large in resistance, high in noise and inflexible in state switching are solved. The floating foot structure comprises a buoyancy tank, a floating foot body sleeved in the buoyancy tank, a guide mechanism between the buoyancy tank and the floating foot body, and a liquid adjusting adaptive part in the floating foot body; the floating foot body is in a big-end-down outline, and both buoyancy and sinking and floating sensitivity are considered. The guide mechanism is arranged to be a plurality of balls, a columnar rod or an anti-collision assembly, so that resistance is reduced and collision is prevented; the liquid adjusting adaptation part is matched with the external assembly to adjust the total mass of the floating foot body, and smooth floating / landing switching of the floating foot body is achieved. The invention further provides equipment applying the structure, and the equipment can be provided with a driving module and a balancing module to optimize the using effect. The structure is matched with a sleeping-aiding bed baby sleeping basket and the like, light, high in strength, capable of being optimized in a scene mode, low in noise, capable of saving energy, stable in movement and outstanding in practicability.

The utility model belongs to dehydration equipment technical field, concretely relates to an automatic draining machine, including base, outlet pipe, support box, a pair of side plates, water press board, drive cylinder, place bucket and bearing plate, the utility model discloses a bearing plate with the quick -witted of horizontal sliding and the quick -witted of the limit slot of double -position design combination, has realized the quick switching of loading and unloading station and squeezing dehydration station, and the material preparation and dehydration operation can be synchronized, and the waiting time caused by the downtime change material has been eliminated, and the production efficiency has been improved significantly in this way, and the demand of large -scale continuous production has been satisfied.

The invention provides a driving mechanism and a vehicle door lifting appliance driving device.The driving mechanism relates to the technical field of rotating piece driving and comprises a mounting piece, a transmission piece, a limiting piece and a driving part, a guiding structure is arranged between the mounting piece and the transmission piece, and a first inserting part is arranged on the transmission piece; the first inserting part is used for being connected with the rotating part in an inserting mode in the direction orthogonal to the rotating axis of the rotating part, the limiting parts are arranged on the mounting part and arranged on the two sides of the transmission part in the rotating axis direction, and the driving part is arranged on the mounting part so as to drive the transmission part to drive the rotating part to rotate around the rotating axis. According to the driving mechanism, the driving part drives the transmission piece to drive the rotating piece to rotate, in this way, driving connection with the rotating piece such as a vehicle door lifting appliance can be achieved, the driving mechanism has the advantage of being convenient to operate, a rotating bearing does not need to be arranged in the driving mechanism, and the structure of the rotating piece such as the vehicle door lifting appliance does not need to be changed; and manual operation can be replaced to realize rotation driving of rotating pieces such as a vehicle door lifting appliance.

This utility model relates to the field of waste removal technology in hardware processing, and in particular to a waste removal mechanism for a hardware stamping machine. The mechanism body includes a reciprocating collection device; the reciprocating collection device is detachably installed on one side of the processing table of the stamping machine; the reciprocating collection device includes a support base, a guide rail assembly, an adjusting connection assembly, a waste receiving tray, and a reciprocating drive module; the support base is detachably connected to one side of the processing table; the guide rail assembly is installed above the support base; the adjusting connection assembly is slidably connected to the guide rail assembly; multiple waste receiving trays are provided, and the multiple waste receiving trays are connected to the adjusting connection assembly; the reciprocating drive module is used to drive the adjusting connection assembly to perform reciprocating linear motion along the guide rail assembly, so as to discharge the waste collected by the waste receiving tray from the working area of ​​the stamping machine. This utility model provides a high-efficiency and stable waste removal mechanism for a hardware stamping machine.

This invention belongs to the field of high-voltage insulation testing of solid-sealed poles, and relates to a three-position opening distance tooling for solid-sealed poles and its usage method. It includes: a top cover; a sleeve assembly, the sleeve assembly comprising a sleeve body, a cam mechanism, and a handle; wherein the top cover is slidably connected to the sleeve body and can move axially relative to the sleeve body; the cam mechanism is hinged to the sleeve body and has at least three transition structures; the handle is drivenly connected to the cam mechanism; by rotating the handle, the cam mechanism is driven to rotate, and the different transition structures of the cam mechanism respectively drive the top cover to move relative to the sleeve body to a position corresponding to a different preset opening distance. A single device enables rapid switching of at least three different opening distances, thereby adapting to the different opening distance requirements of various high-voltage insulation tests and significantly improving the versatility of the tooling. It solves the problem of existing solid-sealed pole product opening tooling having many types and time-consuming and labor-intensive installations.

The invention relates to a production method of a high-speed wire rod pinch roll exceeding the design limit large specification, and belongs to the technical field of high-speed wire rod rolling methods. According to the technical scheme, pinch rolls are additionally arranged at the positions of No.13 rolling mills on a production line; an existing rolling mill is adopted as a newly-added pinch roll, the hole pattern of the pinch roll is designed on the roll according to the material pattern, and the roll gap of the pinch roll is adjusted through a rolling mill adjusting mechanism; in the production process of a product with an extremely large specification, the speed and the time sequence of the newly-added pinch roll and the original pinch roll before finish rolling of a production line are subjected to electrical interlocking control, and the double pinch rolls before reducing and sizing are formed. The device has the beneficial effects that the tension and the movement stability of a rolled piece in an idle interval from medium rolling to reducing and sizing rolling mill are ensured, the problems of loop rising and knotting are successfully solved, production accidents are eliminated, the equipment damage and the loss of manpower and material resources caused by the problems are completely eradicated, the bottleneck problem of large-specification production is solved, and a continuous and stable production order is formed.

This utility model discloses a universal rapid testing device for the inner groove of a ball screw nut, comprising: a digital dial indicator, a nut to be tested, and a fixed base; one end of the fixed base is clamped to a fixed bracket, and a cross roller guide is fixedly connected to one side of the fixed bracket. An upper fixed block and a lower fixed block are fixedly connected to one side of the cross roller guide. A spring and a sliding rod are arranged between the upper and lower fixed blocks, with the spring sleeved on the outside of the sliding rod. By using the combination of the cross roller guide and the sliding rod, the device achieves rapid positioning and stable movement, allowing the upper and lower fixed blocks to slide along the guide, with the spring providing a buffering effect. During testing, simply pressing the down handle moves the chuck assembly, simplifying the operation process. The spring sleeved on the outside of the sliding rod allows for adjustment of the preload through a locking screw, ensuring smooth movement and avoiding the tedious manual adjustment, thereby shortening the time required for a single test.

The invention discloses a multi-heat-source shape-following additive manufacturing device for a special-shaped curved surface component, and relates to the technical field of heat treatment. The multi-heat-source shape-following additive manufacturing device comprises a machine body frame, a five-axis linkage mechanism and an additive cladding mechanism; the additive cladding mechanism comprises a multi-heat-source support, an opposite assembly, double additive nozzles, an air cooling assembly, an airflow assembly, an air guide assembly and a magnetic control assembly. The opposite assembly drives the double additive nozzles to adjust the distance so as to self-adaptively repair the width of a path; the air flow assembly and the air guide assembly are controlled in a linkage mode through the magnetic control assembly according to the distance between the spray heads, the cooling air flow guide mode is switched, focusing heat dissipation and air curtain isolation are formed in the narrow distance, and overall heat dissipation and uniform heat distribution of the mechanism are achieved in the wide distance. According to the device, one-time clamping and full-area self-adaptive high-quality repairing of the variable-cross-section special-shaped curved surface component are achieved, and the device has the advantages of being efficient, precise, intelligent and optimized in heat management.

The invention relates to the technical field of automobile part machining, and discloses an automobile door frame stamping part high-precision shaping and correcting device which comprises a bottom plate and a top plate, stand columns are fixedly arranged at the four corners of the top end of the bottom plate, the bottom end of the top plate is fixedly connected with the bottom ends of the stand columns, and a sliding table in sliding connection with the stand columns is arranged at the bottom end of the top plate; a driving mechanism for driving the sliding table to ascend and descend is arranged at the top end of the top plate, a flat plate is arranged at the bottom end of the sliding table, a top mold is fixedly installed at the bottom end of the flat plate, screw rods are fixedly arranged at the four corners of the top end of the flat plate, and sliding rods in sliding connection with the sliding table are fixedly arranged at the top ends of the screw rods; by arranging a sliding rod, a spring, a gasket, a ring type pressure sensor and an adjusting mechanism, when a hydraulic cylinder drives a sliding table to move downwards, the spring is compressed between the sliding table and the gasket, rigid thrust of the hydraulic cylinder is converted into flexible pressure, and the spring can absorb pressure pulsation and mechanical impact of a hydraulic system.

The present invention discloses a multi-directional stirring mixer for tungsten powder processing, which belongs to the technical field of tungsten powder processing. The present invention includes a base stably placed in a workshop, and a support seat is rotatably installed on the top of the base, and a mixing barrel is rotatably installed on the inner side of the support seat; it also includes: a fixed frame, fixedly installed on the lower outer side of the support seat, a driving motor is fixedly installed on the fixed frame, and a driving gear is fixedly installed on the output end of the driving motor, and a driving shaft is rotatably installed on the fixed frame; a stirring component is arranged on the mixing barrel and the driving shaft to achieve multi-directional stirring of tungsten powder; a buffer component is supported and installed between the base and the fixed frame to achieve buffer support for the mixing barrel. The multi-directional stirring mixer for tungsten powder processing can achieve full stirring and uniform mixing of materials through the rotation and shaking of the barrel, and can perform intermittent unloading during the mixing process, further ensuring the uniformity of the mixing.

This invention discloses a continuous mouse-trapping device, belonging to the field of animal trapping technology. The device includes a first housing, a lifting box, a sealing plate assembly, a lifting assembly, a pusher assembly, an active space, a second housing, and a controller. The first housing contains a lifting space with inlets at both ends. The lifting box is slidably disposed within the lifting space and has an internal cavity extending through both ends, having a first position communicating with the inlets and a second position where both ends are closed. The sealing plate assembly is located at the inlets to close them after a mouse enters the internal cavity. The lifting assembly drives the lifting box to move up and down. The pusher assembly is located on the lifting box to push the mouse out of the internal cavity. The active space is adjacent to the lifting space; when the lifting box is in the second position, the internal cavity communicates with the active space. The second housing is located above the first housing and contains a flip-up assembly and a collection cavity. This invention enables automated continuous mouse trapping, improving the success rate of mouse trapping.

The utility model relates to the technical field of card press-fitting, in particular to a press-fitting mechanism which comprises an installation assembly, a press-fitting wheel assembly and a driving assembly, one end of the installation assembly is used for being movably connected with the two ends of a shell of an external carrying device and located in the external carrying device, and the press-fitting wheel assembly is movably installed at the other end of the installation assembly and located in the shell of the external carrying device. And the driving assembly is in driving connection with the mounting assembly to drive the mounting assembly to move, so that the press-fitting wheel assembly presses or is separated from the external card. According to the press-fitting mechanism, the card conveying is not affected while the card press-fitting effect is guaranteed, and then the card conveying effect is improved.

The invention belongs to the technical field of PCB production and manufacturing, and discloses a board thickness measuring device and a board thickness measuring method. The plate thickness measuring device comprises a transmission assembly, a sensor assembly and a limiting assembly. The transmission assembly is used for transmitting a PCB, the sensor assembly is installed on the transmission assembly, the sensor assembly comprises a plurality of sensor groups, each sensor group comprises two position sensors, the two position sensors are symmetrically arranged on the upper side and the lower side of the PCB, and the position sensors are configured to be in rolling contact with the PCB. The limiting assembly is installed on the conveying assembly and comprises a plurality of limiting stopper sets, each limiting stopper set comprises two limiting stoppers, the two limiting stoppers are symmetrically arranged on the left side and the right side of the PCB, and the connecting line of the two limiting stoppers is perpendicular to the moving direction of the PCB. According to the plate thickness measuring device, the plate thickness measuring accuracy is improved, manual operation is not needed, and the measuring efficiency is high. The plate thickness measuring method provided by the invention is completed by using the plate thickness measuring device.

The utility model relates to a motor rotor bearing dismounting tool, and belongs to the technical field of bearing dismounting. Comprising a fixing frame, the fixing frame is of a horizontally-arranged square frame structure, and four vertical supporting legs are fixedly arranged on the lower end face of the fixing frame; a horizontal track rod is fixedly arranged between the middle parts of the front and rear support legs on the left and right sides respectively, and a dismounting trolley capable of moving back and forth is arranged on the two track rods; a mold plate on the rear side and an oil cylinder supporting plate on the front side are fixedly arranged on the inner side of the fixing frame, a clamping groove is formed in the upper end of the mold plate, a U-shaped groove is formed in the upper end of the oil cylinder supporting plate, a driving assembly is arranged on the front side of the fixing frame and comprises a hydraulic cylinder, and the hydraulic cylinder is fixedly arranged in the U-shaped groove. A piston rod of the hydraulic cylinder horizontally and backwards faces the clamping groove of the mold plate; the problem that the bearing is easy to damage when the existing motor rotor bearing is disassembled is solved.

The utility model relates to the field of solar energy, in particular to a cantilever type photovoltaic device. The cantilever type photovoltaic device comprises a stand column, a power assembly and a photovoltaic panel, one end of the power assembly is fixedly connected with the stand column, and the other end of the power assembly is suspended. The power assembly comprises a center shaft, a transmission nut, a driving part, a transmission sleeve, a spiral spline pair and a limiting part. At least one end of the center shaft is provided with a fixing position. The transmission nut is sleeved on the central shaft; the driving part is used for driving the transmission nut to move along the axis of the central shaft; the transmission sleeve sleeves the peripheral surface of the transmission nut; and the spiral spline pairs are respectively arranged on the outer peripheral surface of the transmission nut and the inner peripheral surface of the transmission sleeve, and / or are respectively arranged on the outer peripheral surface of the central shaft and the inner peripheral surface of the transmission nut. The limiting piece comprises a first chuck and at least one limiting ring, the first chuck is provided with a through hole and arranged at the end, provided with the fixing position, of the center shaft in a sleeving mode through the through hole, one end of the first chuck is connected with the transmission sleeve, and the first chuck and the limiting ring are connected to the fixing position in a matched mode.

This invention relates to the field of light guide plate technology, specifically to a high-uniformity light guide plate precision injection molding intelligent molding device. It includes a frame with a fixed mold and a moving mold mounted on it. The fixed mold and moving mold, when closed, form a mold cavity. The fixed mold has an injection mechanism, which includes an injection head and a barrel. A fixed sleeve is mounted on the fixed mold, and an extrusion screw is located inside the barrel. A pressure regulating structure is provided between the fixed sleeve and the barrel. The pressure regulating structure includes a sliding sleeve, one end of which is slidably fitted onto the fixed sleeve, and the other end of which is slidably fitted onto the barrel. An active on / off valve is located inside the sliding sleeve. A controllable pressure chamber is formed between the active on / off valve, the sliding sleeve, and the fixed sleeve. This invention achieves active pressure holding and releasing independent of melt pressure difference through a controllable pressure chamber and a linear actuator, improving the uniformity of mold cavity pressure and effectively solving the problems of uneven brightness, microstructure distortion, and warping deformation of light guide plates.

The utility model discloses an anti-clogging tuff vibration stirring device, and relates to the technical field of solid screening. The stirring and screening assembly comprises a pot body, a rotary stirrer at least partially arranged in the pot body and a vibrating screen plate arranged below the rotary stirrer, the vibrating screen plate is provided with a gridding screening area, and a plurality of screening through holes are evenly formed in the gridding screening area; the stirring and screening assembly is arranged above the foundation frame through a supporting mechanism; and the automatic unblocking mechanism is arranged below the vibrating screen plate and comprises a driving module, a movable top disc and a guide restraining assembly, the driving module is fixed to the foundation frame, columnar ejector pins correspondingly embedded into the screening through holes are vertically arranged on the working face of the movable top disc, and the driving module is in transmission connection with the movable top disc so as to drive the movable top disc to move in the axial direction. By means of the counterpoint embedded design of the columnar ejector pins and the screen holes, screening residues can be directly poked off, and safe and efficient blockage clearing is achieved.