94results about How to "Limit movement distance" patented technology

The invention relates to the technical field of sludge treatment, and particularly relates to an anti-blocking aeration head. The anti-blocking aeration head comprises a cylinder body, a piston and areset spring, wherein the piston is arranged in the cylinder body and divides the cylinder body into a cavity A and a cavity B, the cavity A communicates with an air inlet hole of the cylinder body, and the reset spring is arranged in the cavity B; the anti-blocking aeration head further comprises a piston rod arranged in the cavity B, wherein a mounting hole used for installing the piston rod isformed in one end, opposite to the air inlet hole, of the cylinder body, one end of the piston rod is connected with the piston, and the other end of the piston rod penetrates through the mounting hole; and a blind hole channel is formed from one end of the piston to the other end of the piston rod, wherein the open end of the blind hole channel is located at one end where the cavity A is located,exhaust holes communicating with the blind hole channel are formed in the piston rod, and the exhaust holes are located in the mounting hole of the cylinder body. According to the anti-blocking aeration head, sludge can be effectively prevented from entering the exhaust holes, so that the aeration head is prevented from being blocked.

The invention discloses an assisting device for positioning and welding of an impeller. The assisting device comprises a base plate, positioning parts, a bottom plate fixing assembly, a blade fixing mechanism and a top plate fixing assembly. An impeller bottom plate is fixed to the base plate through the positioning parts via the bottom plate fixing assembly; multiple positioning portions for positioning blades of the impeller are arranged on the positioning parts; the blade fixing mechanism positions each blade of the impeller; an impeller top plate is fixed to the tops of the blades throughthe top plate fixing assembly. The assisting device is ingenious in structure, the impeller bottom plate is fixed to the base plate through the positioning parts via the bottom plate fixing assembly,the positioning portions of the positioning parts position the bottom of each blade, so that the blades are stably positioned on the impeller bottom plate, and positioning is enhanced for the blades through the blade fixing mechanism; operation is easy and convenient, the impeller is convenient to weld, and the welding precision is greatly improved for the impeller.

The invention discloses a clamp for fixed-position welding of an impeller. The clamp comprises a substrate plate, a positioning part, a bottom plate fixing assembly, a blade fixing mechanism, top plate fixing assemblies and a rack. The positioning part fixes an impeller bottom plate to the substrate plate through the bottom plate fixing assembly; a plurality of positioning portions for positioningblades of the impeller are arranged on the positioning part; the blade fixing mechanism positions each blade of the impeller; the top plate fixing assembly fixes an impeller top plate to the top of the blade; both the substrate plate and the top plate fixing assembly are fixed to the top surface of the rack; the plurality of top plate fixing assemblies are arranged on the top of the rack and surround the positioning part; each top plate fixing assembly comprises a substrate rod and a fixed bar. The clamp is skillful in structure. The positioning portions of the positioning part position the bottoms of the blades, so that the blades are positioned to the impeller bottom plate stably. The impeller fixing mechanism enhances positioning of the blades. The top plate fixing assemblies are skillful in structure, excellent in positioning effect and simple to operate and convenient to weld the impeller. The impeller welding precision is improved greatly.

The drag chain hook type positioning structure improvement comprises the base, a trigger component, two hook and pulling structure, a positioning sensing part and a pressed part. The base comprises the top base plate, a bottom plate, a guide slot between the top and bottom base plates to guide a pull chain cloth strip. The triggering component is used to control the action of the hook structure. The two hook structure set an action plate set that can move downward and restrict the displacement of the drag chain cloth strip, to control the stopping of the mold to a position precisely. The positioning sensing part sets on the bottom plate of the base to ensure the action plate set restored to original position to start the action for the cloth strip fitting parts. The pressed part can press the drag cloth strip tightly between the pressed part and the top base. It can improve the yield rate.

The invention discloses a fixture assisting in impeller welding. The fixture assisting in impeller welding is characterized by comprising a base plate, a positioning part, a bottom plate fixing assembly, a blade fixing mechanism and a top plate fixing assembly. The positioning part fixes an impeller bottom plate on the base plate through the bottom plate fixing assembly. The positioning part is formed by splicing a left half positioning piece and a right half positioning piece. First inserting grooves for positioning blades of an impeller are evenly distributed in the outer edges of the left half positioning piece and the right half positioning piece. The blade fixing mechanism is used for positioning each blade of the impeller. The top plate fixing assembly fixes an impeller top plate onthe tops of the blades. The fixture assisting in impeller welding is ingenious in structure, positioning portions of the positioning part are used for positioning the bottoms of the blades, and thus the blades are stably positioned on the impeller bottom plate; the positioning part is formed by splicing the left half positioning piece and the right half positioning piece, so that the positioning part is conveniently taken out after welding is completed; and the blade fixing mechanism enhances positioning of the blades, operation is easy and convenient, welding of the impeller is facilitated, and the welding precision of the impeller is greatly improved.

A connection terminal includes a lead frame and an insulating housing. The lead frame includes a substrate and two clamping spring plates. The insulating housing includes a guide port which allows insertion of the lead, a tongue depressor part with a free end, and a limiting block. When the free end of the tongue depressor part is pressed, support parts of the clamping spring plates are pressed, and a safety margin position of the free end when pressed is to abut the limiting block. The support parts of the clamping spring plates are pressed by the free end and are far from each other so as to loose the clamping strength to the conductive terminal of the lead. By designing the limiting block, the motion distance of the free end is limited when pressed, the tongue depressor part is avoided to be damaged due to over-press, thereby prolonging the service life of the product and increasing the convenience in usage.

The invention discloses a fermentation device for allowing midday tea to be uniformly stirred. The fermentation device comprises a bottom box, wherein a fermentation tank is arranged at the top of thebottom box; an electric heating piece is fixedly connected to the inner wall of the fermentation tank; a baffle plate is fixedly connected to the bottom of the left side of the fermentation tank; a first motor is fixedly connected to the left side of the top of the baffle plate; and a rotating rod is fixedly connected to the output end of the first motor. According to the fermentation device disclosed by the invention, a cushion block, a second motor, a transmission rod, a first bearing, a supporting plate, a moving rod, a sliding sleeve, a polishing rod, a moving plate, a transmission columnand a transmission groove are arranged for cooperative use, so that the problem that when the midday tea is stirred by a conventional fermentation device, dead corners exist, and uniform stirring cannot be realized is solved; the fermentation device for allowing the midday tea to be uniformly stirred disclosed by the invention has the advantage of being capable of realizig uniform stirring; during fermentation, the midday tea is uniform to heat, so that massive time is saved, and the practicality of the fermentation device for the midday tea is improved.

The invention relates to the field of trimming and thermal calibration tools for front shafts, in particular to a trimming and thermal calibration tool for post-forging of a front shaft. The tool comprises an upper die base and a lower die base and further comprises a trimming device and a calibration device. The trimming device is arranged between the upper die base and the lower die base. The calibration device is located on one side of the trimming device. The other side of the trimming device is further provided with a pushing device for pushing a workpiece to the calibration device through the trimming device. One side of the calibration device is provided with a reset device for pushing the calibration device to be closed and opened. During usage, the upper die base moves downwards to drive the trimming device to trim the workpiece, and the trimmed workpiece is pushed into the calibration device through the pushing device. The tool has the advantages that the structure is simple, the layout is compact, trimming, calibration and straightening of the front shaft can be achieved through one oil press, the equipment input is small, operation is easy and convenient, the automation degree is high, and the production quality and efficiency of products are improved.

The invention discloses a chemical draught fan facilitating installation. The chemical draught fan comprises a supporting plate, a draught fan body and a machine body are sequentially arranged at thetop of the supporting plate from left to right, an air inlet pipe is communicated to the bottom of the left side of the machine body and is communicated with the output end of the draught fan body, aninstalling block is fixedly connected to the bottom of the draught fan body, a containing groove is formed in the left side of the top of the supporting plate, and fixing rods are symmetrically welded to the groove bottom of the containing groove. The chemical draught fan is provided with the supporting plate, the draught fan body, the machine body, the air inlet pipe, the installing block, the fixing rods, a swivel nut, a fixing ring, a screw, a nut and a protruding block which are used in cooperation, the problems that when an existing chemical draught fan is installed, the number of the installing steps is large, and installation by the user is not facilitated are solved, the chemical draught fan facilitating installation has the beneficial effect of facilitating installation, the working efficiency of the user is improved, the manpower of the user is reduced, and use by the user is facilitated.

The invention relates to the technical field of numerical control milling machine equipment, and discloses a machining platform for a numerical control milling machine convenient for positioning parts. The machining platform comprises a machining platform main body, wherein a hydraulic cylinder support is fixedly connected to the left side face of the machining platform main body, and a hydrauliccylinder is fixedly connected to the upper surface of the hydraulic cylinder support. According to the machining platform for the numerical control milling machine convenient for positioning the parts, when a hydraulic telescopic rod is driven by the hydraulic cylinder to stretch, a transmission rod drives a rotating block to rotate clockwise, so that the transmission rod can pull a movable blockto move leftwards, so that two positioning plates are close to each other, so that the purpose of clamping workpieces can be realized; when the two positioning plates are close to each other, a secondhinged base make the two rotating rods which are hinged to each other enable to be lifted from a first movable groove through a fourth movable groove, and the movement distance of the workpieces is limited, so that the workpieces can be fixed on the machining platform main body through the two positioning plates, so that the purpose of the good positioning effects can be achieved.

The invention discloses an injection mold of a Ling Mug, and relates to injection molds. The injection mold of the Ling Mug has the advantages that one-time injection molding on a whole plate is conducted on a plurality of reaction cups, and the production efficiency is improved. According to the technical scheme, the injection mold is characterized in that a front mold core is arranged in an A plate in an embedded mode, a Ling Mug mold cavity is formed in the front mold core, a rear mold core is arranged in a B plate in an embedded mode, and a male mold is arranged on the rear mold core; a main pouring gate extending to the Ling Mug mold cavity on the front mold core is formed in an upper fixed plate, a plurality of pouring gates used for pouring single cups in the Ling Mug mold cavity are formed in the front mold core, and sub-runners which has the same time when leading to the pouring gates and communicates with the main pouring gate are arranged on one side, towards the upper fixed plate, of the front mold core; connecting rods corresponding to the pouring gates are arranged on a stripper plate in a penetrating mode, one ends of the connecting rods extend to the pouring gates, and the other ends of the connecting rods are fixed on the upper fixed plate through connecting plates; and a first limiting piece used for limiting the stripper plate to move towards the direction which is far away from the upper fixed plate is arranged on the upper fixed plate, and a second limiting piece used for limiting the moving distance of the A plate is arranged on the stripper plate.

The invention discloses a suction type optical disc drive. A sliding piece is driven by a power unit to drive a driving rod to rotate a disc-taking guiding rod to take a disc; a substrate is covered on a mainboard on the back side of a housing; the middle part of a first transmission rod is pivoted in the centre of the substrate; one end of the first transmission rod is drawn by the sliding piece; the first transmission rod is provided with a traction groove to drive a right positioning rod; the other end of the first transmission rod drives a second transmission rod which is pivoted on the substrate; the second transmission rod is fixed at one end of a returning spring and drives a disc-returning guiding rod which is pivoted on the substrate; a cam is arranged at the periphery of one end of the disc-returning guiding rod to drive a left positioning rod, is limited by a positioning spring, and approaches to the side of the housing so as to expose a gap on the back side of the substrate. By arranging the left and right positioning rods symmetrically and separately on the two sides of the disc-returning guiding rod, reducing the moving ranges of the left and right positioning rods and applying force with the disc-taking guiding rod symmetrically, the optical disc positioning guidance is facilitated.

The invention relates to a protection device of a noodle cooking device of an instant noodle maker. One end of a protection swing rod is hinged to a transmission supporting plate, and the other end ofthe protection swing rod is hinged to the lower end of a protection pull rod; the upper end of the protection pull rod is hinged to a protection driving cam, the protection driving cam is arranged onthe transmission supporting plate and can rotate relative to the transmission supporting plate, and wheel teeth are arranged on the outer circumference of the protection driving cam; the wheel teethbelow the protection driving cam are meshed with a protection driving gear, the protection driving gear is arranged on the transmission supporting plate and can rotate relative to the transmission supporting plate, and a wheel shaft of the protection driving gear is connected with the upper end of a protection swing arm; a protection frame is connected with a protection connecting rod, a protection plate is arranged on the protection connecting rod, and the protection plate is arranged above a noodle output platform. While a noodle cooking container of the last stepping noodle cooking unit ofthe noodle cooking device of the instant noodle maker, the protection plate is close to a bowl, it can be effectively guaranteed that noodles accurately fall into the bowl, and the noodles are prevented from spilling.

The invention relates to a partition plate device of a noodle cooking device of an instant noodle making and selling machine. The partition plate device comprises a partition plate, a partition platehorizontal connecting rod, a partition plate swing block, a partition plate pull rod, a partition plate swing rod and a partition plate cam, wherein the partition plate cam is arranged on a transmission supporting plate, the partition plate cam and a noodle cooking driven gear, close to a noodle outlet platform, of marching type noodle cooking units are arranged on a same rotating shaft, the partition plate cam and the noodle cooking driven gear, close to the noodle outlet platform, of the marching type noodle cooking units are arranged at the two sides of the transmission supporting plate respectively, and the partition plate is opened while a noodle cooking container of the last marching type noodle cooking unit is overturned, so that cooked noodles are overturned and poured into a noodle bowl, when the noodle cooking container is reset, the partition plate re-closes a noodle outlet, the partition plate device and overturned surface move synchronously, the arrangement of the partition plate can effectively reduce water vapor in a noodle cooking tank entering the noodle outlet platform along the noodle outlet, thereby reducing the occurrence of the scald risk, and the water vaporcondensation into water on the noodle outlet platform is reduced, thereby ensuring the cleanliness of the noodle outlet platform.

The invention relates to cutting equipment, and especially relates to rapid steel plate cutting equipment for high-end equipment manufacturing. The technical problem to be solved is to provide rapid steel plate cutting equipment for high-end equipment manufacturing, which can automatically and rapidly cut, automatically convey a steel plate, automatically receive the steel plate, assist in falling, automatically tidy the steel plate and limit the movement of the steel plate. The rapid steel plate cutting equipment for high-end equipment manufacturing comprises a base, a cutting assembly and amotor, wherein a placing assembly is arranged at one side of the upper part of the base; the cutting assembly is arranged at the middle part of the upper side of the base; and the motor is arranged onthe upper part of the cutting assembly. According to the invention, the steel plate is rolled on a first roller and pulled to move leftwards, a first connecting rod presses a first button, a motor isstarted forwards and a laser spray head is started to drive a worm to rotate, so that the laser spray head is driven to move forwards to cut the steel plate, the effect of automatically and repeatedly cutting the steel plate is achieved, and rapidness and convenience are achieved.

The invention discloses an orthopedic reduction nail locking device, and relates to the technical field of orthopedic reduction nail locking devices, in particular to an orthopedic reduction nail locking device which comprises a lantern ring, a limiting adjusting mechanism is arranged on the lantern ring, a transverse adjusting mechanism is arranged on the limiting adjusting mechanism, one end of the transverse adjusting mechanism is connected with the limiting adjusting mechanism, a fixing block is arranged at the other end of the transverse adjusting mechanism, a reduction bone nail is arranged on the fixing block, and a screw is installed at the joint of the reduction bone nail and the fixing block in a penetrating mode. According to the orthopedic reduction nail locking device, a reduction bone nail can be fixedly connected with the fixing block through the mounting screw rod, the position of the reduction bone nail is limited, the extending length and the adaptive range of the reduction bone nail can be effectively changed through the transverse adjusting mechanism, the fixing position of the reduction bone nail can be effectively limited through the limiting adjusting mechanism, and the reduction bone nail is prevented from separating from the patient.

The invention discloses a billet stacking machine, which includes a device body; the device body is composed of a gantry frame, a cylinder, a manipulator and a storage vehicle, the storage vehicle is located at the bottom of the gantry frame, and two ends of the gantry frame are installed Outriggers, crossbeams are installed between the legs, cylinders are installed on the upper side of the crossbeams, telescopic rods run through the inside of the cylinders, the bottom ends of the telescopic rods are connected to the turntable, and the bottom end of the turntable is equipped with a manipulator, A plurality of splints are installed at the bottom of the manipulator, a tactile chip is arranged inside the splint, a touch panel is arranged at the bottom of the tactile chip, a driving cart is arranged in the middle of the cylinder, and moving wheels are installed around the driving cart. , the moving wheels are slidingly connected to the moving track, and the moving track is located at both ends of the beam. When the invention is in use, the adobe can move the touch panel upwards to make contact with the touch-sensing chip. When the splint is missing or the adobe falls off, the touch-sensing chip cannot receive information and will give an alarm.

The invention discloses a mobile injection ignition device, which belongs to the technical field of oil and gas drilling. The device comprises an ignition system, a remote injection device, a mobile device, a track assembly, a control cabinet and a remote control system, the ignition system comprises an ignition head, an ignition cable and an ignition control box; the remote injection device comprises an oil tank, a high-pressure oil pump, an overflow valve, a pressure gauge, an electromagnetic valve and a nozzle; the mobile device comprises a vehicle body provided with a walking wheel assembly and a power mechanism, a storage battery is installed in the vehicle body, and the storage battery is used for supplying power to an electric appliance of the ignition device. The track assembly comprises a track and a supporting piece assembly used for fixing the track. The remote control system comprises a remote controller, a processor, a signal transmitter and a signal receiver; the control cabinet is in control connection with the ignition control box, the electromagnetic valve, the signal receiver and the power mechanism. The problems that in the prior art, the flame jetting distance of an ignition device is short, and the ignition device is prone to being damaged are solved.

The invention belongs to the technical field of automatic demolding tools for motor coils and particularly relates to a push rod mechanism of a device applicable to automatic demolding of the motor coils. The push rod mechanism of the device applicable to automatic demolding of the motor coils comprises an upper motor base plate, a push rod mounting plate, push rods, mold base mounting blocks and mold bases, each mold base mounting block is provided with a convex rib, and a groove is formed below each mold base, wherein each groove is matched with the corresponding convex rib of the corresponding mold base mounting block, and every two adjacent mold bases form a coil station. The push rod mechanism of device has the advantages that the structure is simple, reliability and practicality are achieved, the automation degree is high, an upper motor base and a lower motor base of the demolding device can be connected more smoothly and reasonably, production efficiency is improved, and cost is lowered.

The invention relates to a heating furnace comprising a furnace body (1), a furnace door, a hearth (2) and a furnace door sealing structure. The furnace body (1) is provided with a heat storage chamber (4), separating layers (5) are arranged in the heat storage chamber (4), the furnace door is compressed and sealed through the lever principle, the moving distance is limited with limit bolts (11 and 3), and the furnace door sealing structure is provided with two sealing structures. The heating furnace is uniform in workpiece heating, convenient for smoke exhaust, good in sealability of the furnace door and long in service life.

The invention relates to the technical field of forest environment monitoring and fire prevention. The invention further discloses environment-friendly early warning equipment for detecting carbon dioxide for forests. The equipment comprises a shell. Toothed plates are fixedly connected to the two side walls of the interior of the shell. The surface of the toothed plate is movably connected with agear. A meshing wheel is movably connected into the gear. A guide rod is fixedly connected to the position, located on the back of the meshing wheel, in the shell. Voltage stabilizers are fixedly mounted on the two sides of the guide rod. A coil is movably connected to the joint of the meshing wheel and the gear. Extension springs are movably connected to the two sides of the coil, a telescopic rod is movably connected to the surface of the meshing wheel, a compression spring is movably connected to the interior of the telescopic rod, an elastic bag is arranged in the telescopic rod and located on the surface of the compression spring, and a suction opening is formed in the elastic bag. And when the telescopic rod pushes the meshing wheel to rotate anticlockwise, the coil does not rotate,so that the effect of maintaining the work of the detector by utilizing wind power and not utilizing external power is achieved.