1461results about How to "Realize limit" patented technology

The invention relates to the field of medical instruments, and provides a limiting mechanism used for limiting a first rotating body and a second rotating body which are rotationally connected. The limiting mechanism comprises elastic positioning pins, a limiting plate, a hinge shaft and ropes. Each elastic positioning pin comprises a shaft sleeve, a pin shaft and an elastic piece, wherein one end of the pin shaft penetrates through the shaft sleeve in a telescopic mode, the elastic piece is elastically connected between the pin shaft and the shaft sleeve, and the pin shaft is installed on the first rotating body through the shaft sleeve. The limiting plate is installed on the second rotating body, limiting holes are formed in the limiting plate, and the limiting holes are formed below one rotating position of the elastic positioning pins so that the pin shafts can be connected with the limiting holes in an inserted and pulled mode. The hinge shaft is installed on the first rotating body, one ends of the ropes are hinged to the hinge shaft in a surrounding mode, the other ends of the ropes are connected with the other ends of the pin shafts, the ends, connected with the hinge shaft, of the ropes are higher than the ends, connected with the pin shafts, of the ropes, and the pin shafts are automatically inserted in the limiting holes through the elastic pieces. The limiting mechanism is convenient to operate, accurate in positioning, good in stability, simple in structure and convenient to use and popularize.

The invention aims to provide an autonomous carrying and releasing device for a submersible vehicle. The autonomous carrying and releasing device comprises a base, an upper-layer platform, a lower-layer platform, a pallet plate, a main shaft lever, an air guide sleeve and a guide cylinder, wherein the lower-layer platform is mounted at the upper end of the base; the pallet plate is mounted at the lower end of a support structure; a main shaft sleeve is mounted below the lower-layer platform; the upper-layer platform is arranged above the lower-layer platform; the upper end of the main shaft lever penetrates through the main shaft sleeve which is matched with the main shaft lever to realize relative rotation and is hinged to the upper-layer platform; the lower end of the main shaft lever is mounted on the pallet plate through a sliding bearing; the air guide sleeve is of a gradual contraction type structure; the guide cylinder is of a hollow cylindrical shape; the tail end of the air guide sleeve is connected with the guide cylinder; a support is fixed on the upper-layer platform; the air guide sleeve and the guide cylinder are mounted on the upper-layer platform through the support; a hydraulic compartment is arranged on the pallet plate; a leveling device for adjusting the relative angle between the upper-layer platform and the main shaft lever is arranged on the upper-layer platform; the hydraulic compartment is connected with the leveling device. According to the autonomous carrying and releasing device disclosed by the invention, adaptive work and posture adjustment can be achieved.

The invention discloses a drop hammer impact test device used for simulating vehicle collision. The device comprises a drop hammer which can simulate vehicle crush. The drop hammer comprises a crushable hammerhead and a counterweight cap. The crushable hammer is used for impacting a test piece and transferring the impact force. A clump weight is arranged on the counterweight cap. The crushable hammerhead and the counterweight cap are coaxially assembled through a sliding structure. A crushable spring is arranged between the crushable hammerhead and the counterweight cap. The end part of the crushable spring is connected with the crushable hammerhead or the counterweight cap through a force sensor. Both ends of an impact simulation test column are respectively constrained and fixed on a test cap according a boundary condition. The whole drop hammer is lifted by a lifting mechanism, and free-fall impact loading is carried out on a part to be impacted on the test column. According to the invention, drop hammer test loading is used for simulating vehicle collision; the drop hammer impact test device has the advantages of real stress simulation, high test precision and being safe and reliable; the cost is far less than the cost of a conventional real vehicle collision test; and the drop hammer impact test device can be promoted in the fields of structure test and vehicle production and development.

The invention belongs to the technical field of optical measurement, and in particular relates to a super 360-degree rotating limiting mechanism of a two-dimensional tracking turntable. The mechanism comprises a limiting bulge arranged on a rotating body, and a limiting assembly that is arranged on a fixed base and used for blocking the limiting bulge so as to stop the rotating of the rotating body. The mechanism is characterized in that the limiting assembly comprises two rotating baffle blocks that are positioned on the movement rail of the limiting bulge and are mounted to the fixed base by hinging; the two rotating baffle blocks can only rotate in one direction and rotate in opposite directions so as to limit the rotating of the rotating body. With the adoption of the super 360-degree rotating limiting mechanism of the two-dimensional tracking turntable, the problem that the complexity and size of the existing limiting mechanism are greatly raised when the two-dimensional tracking turntable rotates over 360 degrees, and large difficulty is brought to assembling and debugging, is solved.

The invention discloses an executive right distribution-based urban traffic peak shifting method. According to the method, an executive right distribution-based travel limiting concept is put forward; based on the idea of travel time information entropy, and executive rights are distributed based on a traffic safety credit system, and therefore, equal distribution and travel limiting of traffic flow are realized in the time dimension; traffic safety credit is adopted as the weighting factor of executive right distribution, and a regional dynamic travel limiting concept is introduced, and therefore, more reasonable travel limiting in the spatial dimension is realized; a traffic congestion credit mechanism is adopted, so that users can be induced to initiatively put travel time ahead or delay the travel time in morning and evening peak hours; and temporary travel reservation can be requested based on current traffic flow, and therefore, the flexibility of the distribution of the executive rights can be increased.

The invention provides a solar cell series welding system. The solar cell series welding system comprises a flat welding strip feeding device, a solar cell feeding device, a special-shaped welding strip feeding device, a welding platform and a heating device. The special-shaped welding strip feeding device comprises a first moving module and tongs installed on the first moving module. The tongs comprise grabbing pieces with first positioning grooves and first pressing pins. The welding platform comprises a body with second positioning grooves and first adsorption air holes. After special-shaped welding strips are put into the first positioning grooves of the tongs, the first pressing pins press the special-shaped welding strips, the first moving module drives the tongs to move and carry the special-shaped welding strips to the second positioning grooves of the body, and second adsorption air holes in the bottoms of the second positioning grooves adsorb the special-shaped welding strips. Solar cells are carried to the body and are adsorbed by the first adsorption air holes, and the special-shaped welding strips are aligned to interconnected electrodes on one faces of the solar cells. Flat welding strips are carried to the solar cells and are aligned to interconnected electrodes on the other faces of the solar cells.

The invention discloses an integrated equipment for high-precision pipe cutting to length, which includes a pipe feeding device, a first transmission mechanism, a first length-fixing mechanism, a first pushing mechanism, a first cutting mechanism, a first A limiting mechanism, a lifting mechanism, a transition mechanism, a second transmission mechanism, a second length-fixing mechanism, a second pushing mechanism, a second cutting mechanism, a second limiting mechanism and a pipe material cutting device. The invention has a novel design, can realize precise positioning and precise cutting at both ends of high-precision pipes, has good equipment stability, reduces manual operation intensity, improves production efficiency, is convenient to operate, and has a high degree of automation.

The invention discloses a conveying line limiting device matched with an elevator in use and a conveying line using the device. The conveying line limiting device comprises a goods blocking part which is hinged to swing up and down. The goods blocking part has a blocking position used for blocking goods and a releasing position for removing blocking in the swinging stroke. The goods blocking part is provided with an ejection transmission part or pressing transmission part which is overhung, is used for moving up and down relatively to the goods blocking part and is in transmission fit with a driving end to drive the goods blocking part to swing to the releasing position when a butting end of the elevator and a butting end of the conveying line are butted in place. A counter weight or return spring used for applying acting force to the goods blocking part to allow the same to swing to the blocking position is connected on the goods blocking part in a transmission manner. When the elevator and the conveying line are not butted in place, the counter weight or return spring can drive the goods blocking part to move to the blocking position to realize limiting, when the elevator and the conveying line are butted in place, the goods blocking part swing to the release position to ensure goods to pass through smoothly, and the conveying line limiting device is simple and compact in structure and reliable in working.

The invention discloses an anti-scouring concrete repairing device. The anti-scouring concrete repairing device comprises a mixing and stirring device and a slurry supplement pipe. The mixing and stirring device is used for stirring concrete slurry, and the concrete slurry is injected into concrete cracks through the slurry supplement pipe. The anti-scouring concrete repairing device is characterized in that the mixing and stirring device can cyclically work to prepare materials first and then to discharge the materials, and a plurality of pipelines arranged between the mixing and stirring device and the slurry supplement pipe. The anti-scouring concrete repairing device has the advantages that the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatnessis high after reinforcement, and a grouting pipe can slide in the cracks to achieve slurry supplement; the mounting stability of a support is high, and a wall is not likely to be damaged, or the adhesion strength of a plate body is high; intermittent material supplement and quantitative stirring are conducted, so that raw material waste is reduced, the cracks are fully filled, the probability of slurry leakage is lowered, the surface flatness is high after reinforcement, the grouting pipe can slide in the cracks to achieve slurry supplementation; and the mounting stability of the support is high, and the wall is not likely to be damaged, or the adhesion strength of the plate body is high.

The invention relates to a solid material sealed packaging system after material compressing and baling. The system comprises a feeding conveying assembly, a workbin, an extrusion forming assembly, apackaging assembly and a discharging conveying assembly, wherein the feeding conveying assembly comprises a feeding conveying bracket; a chain plate conveying line is arranged on the feeding conveyingbracket; the workbin is arranged at the discharging end of the chain plate conveying line; the extrusion forming assembly is arranged below the workbin; the packaging assembly is arranged at the discharging opening of a forming box body and comprises a transitional conveying bracket, a packaging bracket, a film winding assembly and a rotary conveying assembly arranged at the discharging end of ahollow rotary disc; the discharging conveying assembly comprises a discharging conveying bracket; and a conveying roller or a conveyer belt is arranged on the discharging conveying bracket. The solidmaterial sealed packaging system after material compressing and baling has the following advantages: after extruding solid materials into blocks, the packaging assembly is used for winding a winding film on six surfaces of the solid materials, so that emission of peculiar smell is avoided, drop of water drops is also avoided, and it is ensured that the ambient environment is protected during the conveying process.

The invention relates to the technical field of electric forklifts, in particular to an electric forklift battery pack and an assembling method thereof. The electric forklift battery pack includes a box body, a box cover and an electric core limiting frame, wherein the box cover is covered with the box body, and the electric core limiting frame is fixedly connected to the box body interior; a plurality of parallel gratings are arranged in the electric core limiting frame at equal intervals, parts in the electric core limiting frame are divided into a plurality of electric core inserting grooves by the gratings, and a plurality of electric cores arranged side by side are inserted into the electric core inserting grooves; insulation assemblies are all arranged in the circumferential direction and at the bottom of the electric cores, the electric cores are fixedly fastened in the electric core inserting grooves by limiting fastening parts arranged above the electric cores; and the electric cores are connected together in series by busbars. Secondary assembling of the electric cores is not needed by modules, the electric cores are packed directly by a battery pack structure, time is shortened, and energy is saved.

The invention discloses a damping supporting base for home appliances. The damping supporting base comprises a pedestal. A travelling mechanism is arranged at the lower end of the pedestal. Limiting grooves are formed in the two ends of the pedestal. Limiting rods are arranged in the corresponding limiting grooves. Limiting blocks are arranged at the lower ends of the corresponding limiting rods. Each limiting rod is connected with the inner wall of the corresponding limiting groove in a threaded mode. Two supporting plates are arranged at the upper end of the pedestal. The opposite sides of the two supporting plates are both provided with first sliding grooves. First sliding rods are arranged in the corresponding first sliding grooves. The two ends of the first sliding rods are fixedly connected with the opposite side walls in the first sliding grooves correspondingly. A moving plate is arranged between the two supporting plates. The two ends of the moving plate are connected to the two first sliding rods in a sleeved mode correspondingly. A noise reduction plate is arranged at the upper end of the moving plate. A cavity is formed in the moving plate, and a damping plate is arranged in the cavity. According to the damping supporting base for the home appliances, the damping effect is obvious, moving is convenient, noise reduction can be achieved, and the life of users can be improved.

The invention discloses a drilling device for computer production and belongs to the field of computers. The drilling device for computer production comprises a drilling table, the top of the drillingtable is fixedly connected with a supporting frame, a threaded rod is arranged inside the supporting frame, the right end of the threaded rod is fixedly connected with the inner ring of a first bearing embedded on the inner wall of the right side of the supporting frame, the left end of the threaded rod penetrates through and extends to the left side of the supporting frame, the left end of the threaded rod is fixedly connected with a rotating disc, a limiting device is arranged on the rotating disc, and the position, inside the supporting frame, of the threaded rod is in threaded connectionwith a threaded ring. Through cooperative use of a hydraulic telescopic rod, an electric telescopic rod and a clamping fixing device, the position and height of a driving motor can be adjusted, different sizes of plates can be drilled by a worker conveniently, universality is high, and using is more convenient.

The invention relates to the related technical field of road construction equipment, in particular to a joint cutting mechanism for road construction and a joint cutting machine. The upper ends of thetwo side plates are connected through a top plate; a rotating shaft driven by a driving assembly to rotate is arranged at the position below the top plate; wherein the rotating shaft is sleeved withtwo sleeves which can only horizontally slide along the rotating shaft and are used for fixing the cutting knife, the two sleeves are symmetrically arranged relative to the central axis of the rotating shaft, rotating rings hinged to the adjusting assembly are rotationally installed on the sleeves, and when the adjusting assembly is triggered, the two sleeves move oppositely or oppositely. The device is novel in design, the rotating sleeve rotates to drive the threaded rod to rotate, the threaded rod moves in the vertical direction under the action of the threaded sleeve when rotating, the threaded rod drives the rotating ring and the sleeve to move under the action of the mounting plate and the connecting rod when moving up and down, and therefore distance adjustment between the two cutters is achieved, and different joint cutting requirements are met.

The invention provides a sharpening machine for sawteeth of a saw band, belonging to the machine tool manufacturing technical field. The sharpening machine solves the problems of the existing sharpening machine tool for the sawteeth of the saw band such as inaccurate tool setting, small machining range and the like. The sharpening machine comprises a workbench, a limit mechanism, a grinding wheel drive motor assembly, a teeth shifting component and a power mechanism, wherein, the limit mechanism is arranged on the workbench for limiting the position of the saw band during a sharpening process; the end part of the teeth shifting component is embedded at the sawteeth of the saw band; the workbench is equipped with a spring steel plate; the grinding wheel drive motor assembly is arranged on the spring steel plate; a first transmission mechanism for driving the teeth shifting component to perform teeth shifting action is arranged between the power mechanism and the teeth shifting component, and a second transmission mechanism for driving the grinding wheel drive motor assembly to move in a straight line on the spring steel plate is arranged between the power mechanism and the grinding wheel drive motor assembly; and when the power mechanism works, the first transmission mechanism and the second transmission mechanism can drive the teeth shifting component and the grinding wheel drive motor assembly to make alternating movement. The sharpening machine has the advantages of high tool setting accuracy, good applicability, good stability and the like.

The invention provides a water distribution and collection device which comprises a water distributor, a water collector and a supporting structure, wherein a water-collection main pipe of the water collector is provided with a plurality of water-collection joints and flow regulating valves which are in one-to-one correspondence with the water collection joints; the flow regulating valves comprise regulating valve cores and regulating caps above the regulating valve cores; the regulating valve cores comprise valve core screw caps fixedly arranged on the water-collection main pipe and regulating bases fixedly arranged above the valve core screw caps; the outer walls of the regulating bases are provided with external thread parts spacing bosses which has certain distance with the upper parts of the external thread parts; the inner walls of the regulating caps are provided with internal thread parts and spacing clamping platforms above the internal thread parts; the regulating caps are upward rotated until the internal thread parts are separated from the external thread parts, the spacing clamp platforms can not continuously move upward as being clamped by the spacing bosses, so that the internal thread parts of the regulating caps can rotate freely at smooth intervals between the external thread parts and spacing bosses of the regulating bases, so that the condition that the regulating caps and the regulating bases are locked can be prevented, the reliability of the water distribution and collection device is improved, and the operation comfort of a user is enhanced.

The invention specifically relates to a wheel rim-driven shaftless fan. The wheel rim-driven shaftless fan comprises a stator component, a rotor component and a lubrication device, wherein the stator component comprises a front end cover 4, an inlet-side slide bearing 5, an air barrel 3, an armature 10, an outlet-side slide bearing 14 and a rear end cover 13, wherein the rotor component comprises an inlet-side shaft neck 6, a wheel hub 16, permanent magnets 9, blades 8 and an outlet-side shaft neck 15, the inlet-side shaft neck 6 and the outlet-side shaft neck 15 are both L-shaped and both installed on the wheel hub 16 in a manner of interference fit, a plurality of grooves are uniformly formed in the excircle surface of the wheel hub 16, and the permanent magnets 9 are inlaid in the grooves in the excircle surface of the wheel hub 16; a blade handle is arranged at the blade tip of each blade 8, each blade handle is an incurved tile, and all the tiles are spliced to just form the inner diameter of the wheel hub; and the lubrication device comprises an oil cup 12, a guide pipe 2 and an adjustment valve 1, one end of the guide pipe 2 is connected to the oil cup 12, and two outlets are formed in the other end of the guide pipe 2. According to the wheel rim-driven shaftless fan disclosed by the invention, a wheel hub needed for driving the central shaft of a traditional fan is avoided, the separation of secondary flow and a boundary layer at each blade root is reduced, and the flowing condition at each blade root is improved, so that the efficiency of the fan is increased; and moreover, a blade tip gap at each blade tip is avoided, so that detouring flow at each blade tip is avoided, a flow field structure is improved, energy conversion efficiency is increased, and a pneumatic noise is lowered.

The invention discloses a cloths hanger exposed to the sun. The cloths hanger exposed to the sun comprises a hook, a rotating device, a supporting body, four pairs of fixing clamps and a gear position device. The hook comprises a hook body, a rod body and a self-locking part. The rotating device comprises a spiral spring box, a bevel gear and a hollow barrel body, wherein a spiral spring gear of the spiral spring box is meshed with the bevel gear. The supporting body comprises two clothes hanger arms, wherein one end of each clothes hanger arm is fixedly connected with the barrel body, and two telescopic rods are arranged on the clothes hanger arms. The fixing clamps are arranged on the joints of the clothes hanger arms and the telescopic rods. The gear position device comprises a photosensitive element, a horizontal disk and a controller. According to the cloths hanger exposed to the sun, the clothes hanger arms are driven to rotate through a spiral spring driving device, and therefore rotation of clothes can be achieved; the sun-curing direction of the clothes is adjusted in time according to the light intensity value detected by the photosensitive unit; meanwhile, due to the fact that the telescopic rods and connecting rods are designed on the clothes hanger arms and the width of the supporting body is adjusted according to the width of the shoulders of the clothes, the shoulders of the clothes can be prevented from protruding and deforming. The cloths hanger exposed to the sun has the advantages of being low in cost, high in automation degree and wide in application range.

The invention provides a semi-automatic spot welding machine device locating clamp comprises a bottom plate. A transmission gear is rotationally installed at the upper end of the bottom plate througha support ring. At least two holding assemblies are evenly fixed to the upper end of the transmission gear and are arranged annularly. A cam is fixed to the middle of the upper end of the bottom plate, penetrates through the support ring and the transmission gear and extends to the upper end of the transmission gear. Cam arc-shaped outer ends are evenly installed on the at least two holding assemblies. A driving structure is fixed to the side end of the transmission gear and is fixed to the upper end of the bottom plate. The semi-automatic spot welding machine device locating clamp is reasonable in structure, the structure is simplified, cost is lowered, and the use effect is good.

The invention relates to a cutting robot for processing a communication cable. The cutting robot comprises a main board, a cutting and deburring device and a middle limiting device, wherein the frontend of the main board is provided with the cutting and deburring device, and the middle of the main board is provided with the middle limiting device. The cutting robot can solve the problems that inthe existing communication cable sleeve processing process, a communication cable sleeve needs to be limited by a worker and then be cut, the communication cable sleeves with different structures needto be grabbed in different ways by the worker when the communication cable sleeves are limited, and during cutting, pipe openings are not flat due to the fact the position is deviated easily during manual cutting, burrs are generated after the communication cable sleeve is cut, the consumed time of the process is long, the labor intensity is large and the efficiency is low. The cutting robot hasthe advantages that the communication cable sleeves can be limited and cut stably, the communication cable sleeves with different structures are limited targetedly, automatic cutting can be realized,the pipe openings are cut flatly, the burrs are automatically removed, manual operation is not needed, the consumed time is short, the operation is simple, the labor intensity is low, and the workingefficiency is high.

The invention discloses a quick detachable plate locking mechanism comprising a base plate and a mounting plate. The base plate is provided with a plurality of calabash nails, and the mounting plate is provided with calabash holes corresponding to the calabash nails; the base plate is also provided with a spacing hole a, and the mounting plate is provided with a spacing hole b corresponding to the spacing hole a; after the calabash nails are clamped into the narrow ends of the calabash holes, the spacing hole a is aligned to the spacing hole b, and a stop pin is installed in the spacing hole a and spacing hole b; and in the process that the calabash nails are moved to the narrow ends from the wide ends of the calabash holes, the mounting plate is gradually compressed by the calabash nails. Through the fixing method with one stop pin and the calabash nails in the quick detachable plate locking mechanism, the maintainability and serviceability of a product are embodied fully, and the fixation reliability is the same as the fixation effect with a plurality of stop pins.

The invention discloses an automobile diagnosis interface fixing device with an angle adjusting function, including a shell, a push mechanism, two clamp connection parts and a latching mechanism. One side surface of the shell is provided with an installing port, the shell is internally provided with a guiding structure and joint pin structures, and the bottom surface of the shell is provided with the angel adjusting mechanism. The push mechanism is plugged in the shell through the installing port and is also provided with guiding through holes, the central part of one side is provided with a first positioning bayonet, and the end part of the same side is also provided with an avoidance port. The two clamp connection parts are symmetrically arranged in the hollow part of the push mechanism and are provided with guiding rods, and the guiding rods extend in the guiding mechanism after passing through the guiding through holes. One end of the latching mechanism is rotatably installed on one joint pin structure, the other end of the latching mechanism extends out of the installing port to cooperate with the avoidance port, and the latching mechanism is also provided with a first latching part in clamp connection with the first positioning bayonet. The device can achieve diagnosis interface angel adjustment, and is advantaged by convenient installing, dismounting and maintenance, and high stability.

The invention discloses an assembly production line of a centrifugal blood pump rotor, and belongs to the technical field of assembling equipment. The assembly production line of the centrifugal bloodpump rotor involves a conveyor belt, a bearing magnetic stack press-fitting mechanism, a motor magnet installing mechanism and a base welding mechanism, wherein a plurality of limiting assemblies arearranged on the conveyor belt, the motor magnet installing mechanism comprises a sliding plate, a workbench, a material pushing assembly, a lifting assembly, a clamping assembly and a bearing frame,the clamping assembly comprises an installing plate, a four-jaw air cylinder and a limiting column arranged at the bottom of the installing plate, limiting plates are installed at the bottoms of clamping jaws of the four-jaw air cylinder, arc-shaped grooves are formed in the limiting plates, and four bearing rods are arranged between the installing plate and the sliding plate. According to the assembly production line, the bearing magnetic stack press fitting, the motor magnet installing and the base welding steps of the centrifugal blood pump rotor can be automatically completed, four motor magnets can be simultaneously installed in an impeller by the motor magnet installing mechanism, and a worker does not need to install the motor magnets one by one.

The invention discloses a valve rod retreating prevention device for a high-pressure valve. The device comprises a valve body, a valve rod, a hand wheel, a mounting bar, a connection insertion block,a placing sleeve, a screw, a cylinder, a spring, a strip groove, a rubber head cover, a disc, a circular sleeve, a movable round rod, a first rubber sleeve, a connecting bar, a limiting groove, a through groove, a slot, a second rubber sleeve, an L-shaped groove, a sealing ring, an annular oil storage tank, a fine hole, a fixed pipe, a rubber bar, a connecting cylinder and a ball. The device is reasonable in structure; through an extension structure, the movable round rod can be lifted in the vertical direction; when the valve body is closed, the movable round rod can be inserted in the limiting groove of the hand wheel to prevent rotation of the hand wheel by external force; meanwhile, through arrangement of the bolt, the hand wheel can be limited; when the movable round rod is lifted, only the connecting bar slides in the strip groove and the L-shaped groove; and after the movable round rod is collected into the cylinder, the connecting bar moves to the tail end of the L-shaped groove, and the connecting bar can be stopped, so that the operation is simple.