87results about How to "Reach limit effect" patented technology

The invention discloses a liftable computer desk, which comprises a desktop, the four corners of the bottom of the desktop are fixedly connected with lifting rods, the bottoms of the opposite sides of the two lifting rods are fixedly connected with tooth plates, and the bottom of the lifting rods is arranged There are outriggers, the bottom of the lifting rod penetrates into the inner cavity of the outrigger and is fixedly connected with the limiting plate, both sides of the top of the inner cavity of the outrigger are fixedly connected with slide plates, and the opposite side of the slide plate is provided with a sliding plate. The two ends of the limiting plate extend to the inner chamber of the chute and are slidably connected with the chute. The present invention solves the problem of To solve the problem that the existing computer desk cannot be lifted, the liftable computer desk has the advantage of being able to lift, is convenient for users to use, has strong practicability, and is worthy of popularization.

The invention discloses a balance force exercising device and a training method thereof. The balance force exercising device comprises a supporting seat; sleeves are fixedly connected around the top part of the supporting seat; the bottom parts of the inner cavities of the sleeve located at the left front end of the top part of the supporting seat and the sleeve located at the left rear end of thetop part of the supporting seat are movably connected with first electric telescopic rods through springs; the bottom parts of the inner cavities of the sleeve located at the right front end of the top part of the supporting seat and the sleeve located at the right rear end of the top part of the supporting seat are movably connected with second electric telescopic rods through springs; the middle end of the top part of the supporting seat is fixedly connected with a roller; the outer surface of the roller is sleeved with a clamping sleeve; and the top end of teh clamping sleeve is fixedly connected with a balance plate. The balance force exercising effects can be effectively improved, the structure is simple, the price is low, and promotion is facilitated.

The invention discloses a satellite communication antenna test rotary table, and relates to the field of satellite communication equipment, the satellite communication antenna test rotary table comprises a test rotary table support assembly, and the test rotary table support assembly comprises a base, a rotary table, a deflection support and an antenna mounting plate. Under the transmission of the transmission assembly arranged in the driving box and the effect of the clutch assembly on power separation, deflection and rotation separation adjustment of the antenna mounting plate can be realized, the arrangement of a power source is saved, and the production cost is reduced; under the guidance of the deflection guide rail of the deflection bracket and the guide wheel of the guide wheel bracket, the antenna mounting plate fixed on the deflection bracket can perform pitching deflection of 0-60 degrees, and the deflection adjustment process of the antenna mounting plate is more stable.

The invention discloses a limit mold for back lapping of an infrared focal plane detector and a preparation method. Uniformity and homogeneity of thicknesses of detector chips can be accurately controlled due to the special limit design of the limit mold, the limit mold is mainly made of two diamond pieces with very large hardness, the back lapping and polishing condition of the detector chips almost has no effect on the diamond pieces, rectangular holes are opened at the centers of the two diamond pieces through a laser according to the feature size of the detector and the mold is divided into two portions along the diagonals of the rectangular holes through Disco cutting, and special DW3 low-temperature gum is used for bonding and curing the two layers. According to the limit mold, raw materials are simple and easy to obtain, accurate thickness control is provided, the technological process is controllable, the operation processes are few, and the mold can be recycled and has wide applicability.

The invention discloses an automatic film cutting mechanism for a circuit board film laminating machine, and relates to the antenna installation field. The automatic film cutting mechanism comprises alaminating machine body, the outer surface of the laminating machine body is connected with a maintenance door through a hinge, and a through hole penetrates through the outer surface of the maintenance door. A heat dissipation groove is formed at one side of the laminating machine body, and a bottom plate is fixed at the bottom of the laminating machine body. During mounting, a worker also pullsa pull ring to enable a limiting rod to overcome the resistance of a second spring to contract, then, the worker aligns one end of a mounting piece at a mounting groove, then, pushes the mounting piece into the mounting groove, and when the mounting piece is pushed to a certain extent and can not move continuously, the worker loosens the pull ring, so that one end of the limiting rod is driven tobe inserted into a limiting groove under the reset capacity of the second spring, the mounting piece is limited, and the mounting piece and a cutter are prevented from automatically sliding out of the mounting groove during working to influence the cutting. The automatic film cutting mechanism is easy to mount and dismount, is convenient to replace and maintain the cutter, and is practical and convenient.

The invention relates to a rear floor assembly reversing tooling vehicle which comprises a chassis and a support erected on the chassis. The support comprises a first supporting rod and a second supporting rod, wherein the first supporting rod and the second supporting rod are located at the front end and the rear end of the chassis correspondingly and vertically arranged in parallel. A first bearing seat and a second bearing seat are symmetrically arranged at the top end of the first supporting rod and the top end of the second supporting rod correspondingly. A first rotary shaft is arranged on the first bearing seat. The portion, located on the inner side of the first bearing seat, of the first rotary shaft is fixedly connected with a first limiting plate. Two square pins are symmetrically arranged on the first limiting block with the first rotary shaft as the symmetry axis. First supporting plates are symmetrically arranged on the first limiting plate and located below the square pins. The second bearing seat is provided with a second rotary shaft. The portion, located on the inner side of the second bearing seat, of the second rotary shaft is fixedly connected with a second limiting plate. Two cylindrical pins are symmetrically arranged on the second limiting plate with the second rotary shaft as the symmetry axis. Second supporting plates are symmetrically arranged on the second limiting plate and located below the cylindrical pins. Tools are reversed stably, and welding spot positioning of a rear floor assembly and welding spot quality detection are facilitated.

The invention discloses a tunnel waterproof material laying device. The tunnel waterproof material laying device structurally comprises a clamping mechanical arm, a mounting head, a rotating head, a clamping plate, a small shell, a support, an electric machine, a base plate, a lifting rotating system, and a under bed; the center of the base plate is provided with the lifting rotating system; the position of one third of the lifting rotating system is provided with a clamping plate in a clamping mode; the clamping plate is fixed on the base through the under bed; the small shell is arranged beside the lifting rotating system; the clamping mechanical arm is used for clamping the waterproof material, the clamping is solid, loosening or falling are not prone to happening, a rotating structureand a jacking mechanism are driven to operate through a linkage structure, rising and rotating are performed at the same time, rotary paving is carried out after the rising height is equal to the radius of the tunnel, a support frame is not required to set up, time and cost of paving are reduced, rotary paving is carried out by adopting machinery, the time consumption is short, the labor intensityis slow, the dimension error is small, and the construction efficiency is directly improved.

The invention relates to the technical field of office equipment, and discloses a novel file storage device for information technology consulting. The device comprises a cabinet body, wherein cabinetdoors are fixedly mounted on the left and right sides of the front surface of the cabinet body; handles I are fixedly mounted on the front surfaces of the cabinet doors; lock holes are fixedly mountedon the front surfaces of the cabinet doors; a drying opening is formed in the bottom of the front surface of the cabinet body; a drying tank is fixedly mounted inside the cabinet body; the back surface and the front surface of the drying tank are fixedly connected with the cabinet body; ventilation openings are respectively formed in the left and right sides of the inner wall of the drying tank;filter screens I are fixedly connected to the inner side walls of the ventilation openings; and a ventilation fan is mounted on the back surface of the the drying tank. According to the novel file storage device for information technology consulting, through the matching use of a movable rod, a movable sleeve, a connecting rod, a spring and a push plate, a file can be limited, so that the stability of the file is guaranteed, and the file cannot be scattered on the ground.

The invention discloses a multifunctional skin flap tractor for being used during mammary surgery. The multifunctional skin flap tractor comprises a handle sleeve, a Y-shaped adjusting rod, a first pull rod, a second pull rod, a first air cushion sleeve, a second air cushion sleeve, a connecting pipe, a connector, an air injection pipe, an adjusting valve and an inflation balloon. The multifunctional skin flap tractor is ingenious in structure and powerful in function; through action of a Y-shaped traction structure, traction range can be widened, and visual field can be expanded; through matched action of air cushion wrapping protection, so that the multifunctional skin flap tractor causes small damage to tissue and can bring convenience to medical staff to operate. Therefore, the multifunctional skin flap tractor is conducive to clinical popularization and application.

The invention discloses novel hoisting equipment with weighing sensors. The novel hoisting equipment with the weighing sensors comprises a hoist walking track, a bridge and a hoisting trolley, whereinthe hoisting trolley comprises a separated type frame and a lifting mechanism arranged on the separated type frame; the separated type frame comprises an upper frame and a lower frame; the four groups of same frame weighing sensors are distributed between an upper frame support beam and a lower frame support beam; a rope guiding device is arranged on a roll drum through a roll drum screw thread;the upper end and the lower end of a pressing plate of the rope guiding device are protruded outwards; and a hoisting object balance device is connected under the pressing plate of the rope guiding device through a hoisting object balance device connecting plate. According to the novel hoisting equipment with the weighing sensors provided by the invention, the weight of the hoisted cargo can be accurately acquired, meanwhile, the advantage of keeping the cargo stability during the hoisting process is realized, the structure is simple, and an existing bridge crane can be conveniently reconstructed at low cost.

The invention provides high-strength injection molding machine forming equipment, and relates to the technical field of injection molding machines. The high-strength injection molding machine forming equipment comprises an injection device and a mold closing device. The injection device comprises a charging barrel with a nozzle. The charging barrel is arranged at the upper end of a rack. A feeding hopper is arranged at the upper end of the charging barrel. A screw driven by a motor is arranged in the charging barrel. A heater is arranged on the outer side of the charging barrel. A non-return ring is fixed to the end, close to the nozzle of the charging barrel, of the screw. The injection device is electrically connected with the mold closing device. The mold closing device comprises a fixed mold plate and a movable mold plate assembly. The fixed mold plate is fixedly arranged on one side of the rack. A mold cavity is formed in the fixed mold plate. A feeding pipe is connected between the mold cavity and the nozzle of the charging barrel. An electric push rod capable of extending to the outer side of the mold cavity after being started is arranged at the center of the interior of the mold cavity. The movable mold plate assembly comprises an outer plate, a movable mold plate and a piston push plate. The side, close to the fixed mold plate, of the outer plate is provided with the movable mold plate for extruding a piston to move outwards and then contract. The problem that in the prior art, reinforcing materials are not conveniently added during injection molding is solved.

The invention relates to the field of food processing, in particular to an air blowing device for removing yellow skin of chicken claws. The air blowing device comprises a rack and is characterized in that a fixing mechanism and an air blowing mechanism are arranged on the rack, the fixing mechanism comprises a fixing stand used for storing chicken claws, a pressing piece is vertically mounted on the rack and located above the fixing stand, and at least two limiting columns are arranged on the fixing stand; and the air blowing mechanism is located on one side of the fixing stand and comprises a plurality of air blowing needle tubes, a supporting ring and a conical driving block, the supporting ring is horizontally and slidably connected to the rack, the air blowing needle tubes are hinged to the supporting ring, needle heads of the air blowing needle tubes face the fixing stand, the air blowing needle tubes are slidably connected to the oblique plane of the driving block, and the driving block is connected with a reciprocating transmission mechanism. Meanwhile, by implementing the technical scheme, the problems that in the prior art, the qualification rate of chicken claw skin removal is low, and the claw breakage rate is high are solved.

The invention provides a center opening door lock for an elevator, and belongs to the technical field of the elevator. The center opening door lock for the elevator comprises a shifting fork, an outward opening lock shaft, an upper lock piece which is connected to an upper door panel, a lower lock piece which is connected to a lower door panel, a lock hook, a lock plate, a lock wheel, a quiescent point seat, a double contact switch and a Y type contact. The lock plate is connected to a slideway of an elevator door, the lock hook is rotationally connected to the lock plate, and in a locking state, the locking end of the lock hook is clamped in an open hole of the upper lock piece for locking, the double contact switch is arranged between the lock hook and the lower lock piece, the Y type contact is connected to the upper lock piece, the quiescent point seat is installed on the lock hook, the double contact switch and signal lines of the quiescent point seat are connected with an outer control cabinet, and the lock wheel is installed in a lock wheel shaft hole of the lock hook through a lock wheel shaft. The double contact switch and the Y type contact are used for transmitting signals, a door knife is used for striking the lock wheel to drive the lock wheel to move, therefore, unlocking is achieved, and meanwhile a door lock loop is disconnected, and the center opening door lock for the elevator has the advantages of being safe and reliable, simple in structure, convenient to assemble and easy to operate.

The invention, which belongs to the technical field of unmanned aerial vehicle equipment, particularly relates to electric power detection insulation device for an unmanned aerial vehicle. The devicecomprises an unmanned aerial vehicle; the bottom of the unmanned aerial vehicle is fixedly connected with a bottom plate; and the bottom of the bottom plate is fixedly connected with a detection frame. A detection device is arranged in the detection frame; the detection device comprises a first motor bottom plate; the surface of the detection frame is fixedly connected with a first detection rod;a first contact is fixedly connected to one end of the first detection rod; an alarm is fixedly connected to the inner bottom wall of the detection frame; a sound outlet groove is formed in the bottomof the detection frame; a dustproof net is fixedly connected to the inner wall of the sound outlet groove; and the lower surface of the first motor bottom plate is fixedly connected with the inner bottom wall of the detection frame. According to the electric power detection insulation device, the detection frame is fixedly connected to the bottom of the bottom plate, the detection device is arranged in the detection frame, and the detection device comprises the first motor bottom plate, so that the effect of high-altitude object insulation detection is achieved.

The invention discloses a combined cover for an injection medicine bottle, which comprises a plastic primary cover capable of being arranged at the bottle opening, wherein the plastic primary cover is provided with an opening over against a bottle opening sealing rubber plug, a plastic secondary cover which can be opened to be separated from the plastic primary cover is covered above the plastic primary cover, and a sealing connecting structure is arranged between the plastic secondary cover and the opening of the plastic primary cover. The invention aims to overcome the defects of the prior art and provide the combined cover for the injection medicine bottle, which has the advantages of simple structure, material economization, low cost, good sealing effect and high quality.

The invention discloses a full-automatic SMT chip mounter and a chip mounting process thereof, and particularly relates to the technical field of chip mounters; the full-automatic SMT chip mounter comprises a chip mounter, a material conveying control mechanism is arranged on the surface of the chip mounter, the material conveying control mechanism comprises a shell, the shell is arranged on the surface of the chip mounter, and the back of the shell is fixedly connected with the front of a piston shell. And two cavities are formed in the piston shell. The improved novel material conveying control mechanism is adopted, the control function of the material conveying control mechanism is completely controlled by a displacement mechanism of the chip mounter, full-automatic chip mounting work can be achieved without additionally arranging a machine grabbing station, the mode that chip mounting can be achieved through downward pressing is simpler, time is greatly saved, and the machining efficiency is improved. And moreover, the chip mounter can achieve a limiting effect while discharging, so that the chip mounting deviation is avoided, the chip mounting accuracy is guaranteed, the reworking problem is solved, and the production benefit can be better guaranteed.

The invention discloses a bottled mountain spring water filling device, which comprises a base, a cross bar is arranged on the top of the base, a first rotating shaft is movably connected to the left end of the back of the cross bar, and a first rotating shaft is movably connected to the right end of the back of the cross bar. The second rotating shaft, the first rotating shaft and the second rotating shaft are connected through a transmission belt, the right end of the front of the cross bar is fixedly connected with a first motor, the output shaft of the first motor passes through the cross bar and is connected with the shaft of the second rotating shaft The center is fixedly connected, the top of the conveyor belt is provided with a connecting pipe, and the left side of the top of the connecting pipe is connected with a water inlet pipe. The present invention can drive the first gear to rotate through the setting of the second motor and the second gear, and can cooperate with the first gear to drive the moving plate up and down through the setting of the teeth, so as to adjust the height of filling and water injection, and at the same time solve the problem that the The height of machine filling is adjusted, resulting in low filling accuracy, which reduces the problem of filling efficiency.

The invention discloses a building waste crushing device for building engineering. The building waste crushing device comprises a body, wherein connecting blocks are fixedly connected to the two sidesof the body, a cap are movably connected to the front sides of the connecting blocks, T-shaped blocks used in cooperation with the connecting blocks are fixedly connected to the two sides of the bottoms of the cap, limiting mechanisms are movably connected to the interiors of the T-shaped blocks, the limiting mechanisms comprise movable rods, and the opposite sides of the two movable rods are fixedly connected with supporting blocks. According to the building waste crushing device, through cooperative use of the body, the connecting blocks, the cap, the T-shaped blocks, the limiting mechanisms, a sliding rod, a first through hole, a pulling handle, a second through hole, a handle, a first sliding block, a first groove, a second sliding block, a second groove and T-shaped grooves, the problems that when an existing building waste crushing device is used, a feeding opening is not protected, and during crushing, some building wastes fly out of the position of the feeding opening accidentally, so that the danger of a human body is caused.

The invention discloses a core chiller, which comprises a core chiller body, a feed inlet is opened on the top of the core chiller body, and a shaking device is fixedly installed on the top of the core chiller body above the feed inlet , the inside of the shaking device is equipped with a funnel located above the feed inlet, a feeding pipe is arranged above the shaking device, and the discharge end of the feeding pipe is inserted into the inner cavity at the top of the funnel, and the shaking device Including the bracket, one side of the inner cavity of the bracket is fixedly installed with two connecting plates, and one end of the two connecting plates is movably connected with pulleys, the back of one pulley is fixedly connected with the output shaft of the motor fixedly installed inside the bracket, and the two pulleys They are connected by conveyor belt drive. This cold core machine achieves the state that the funnel of the cold core machine is always in a shaking state during the process of adding sand, which prevents sand from sticking to the inner cavity of the funnel, avoids the occurrence of blockage at the discharge port of the funnel, and ensures the smoothness of the work. Work properly.

The invention provides an air way outer circle face spiral wire cutting device which comprises a support body, a driving assembly and a cutting tool wheel assembly. The driving assembly is arranged atone end of the support body and is provided with a rotating part used for fixing an air way, and the rotating part drives the air way to rotate by itself through a motor on the driving assembly. Thecutting tool wheel assembly is arranged on the support body in a sliding manner and is provided with a cutting tool wheel, the cutting tool wheel is used for cutting the air way in the radial direction, and the included angle between the cutting tool wheel and the axis of the air way is arranged to be in a non-straight-angle manner. The above spiral wire cutting device is provided, the problems that the tail cutting area or part of the cutting local of the air way in an existing carbon sliding plate is not likely to be subjected to breaking and gas leakage, when the carbon sliding plates is deformed, an automatic bow lowering protection device is not started, the damaged carbon sliding plate is used continuously, and serious bow net accidents are caused are solved.

The invention relates to the technical field of bending machine tools and discloses an ultra-wide hydraulic bending machine tool with a transverse stabilizer bar. The ultra-wide hydraulic bending machine tool comprises a base. A fixed rack is arranged above the base, the bottom of the fixed rack is fixedly arranged on the upper surface of the base, two hydraulic cylinders are fixedly arranged on the top of the fixed rack, the two hydraulic cylinders are symmetrically arranged, a fixed plate is horizontally arranged below the two hydraulic cylinders, the tail ends of piston rods of the two hydraulic cylinders are fixedly connected to the upper surface of the fixed plate, a transversely arranged bending head is fixedly arranged on the lower surface of the fixed plate, a fixed seat is transversely arranged below the bending head, the lower surface of the fixed seat is fixedly connected to the upper surface of the base, a bending slot is formed in the upper surface of the fixed seat, and the bending slot is matched with the bending head. The ultra-wide hydraulic bending machine tool with the transverse stabilizer bar can heat a panel in the bending slot, so that the bending effect of the panel is guaranteed. Meanwhile, the ultra-wide hydraulic bending machine tool can limit the panel in the bending process, so that the bending effect of the panel is improved.