78results about How to "Small swing angle" patented technology

The invention provides a composite pole formed by winding fiber and having high strength and rigidity, good surface finish and low cost. The composite pole comprises the components as follows: 50 to 65 parts of glass fiber, 25 to 35 parts of polyurethane multi-base resin, and 10 to 15 parts of inorganic filling material. The manufacturing method of the composite pole comprises the following steps: the polyurethane multi-base resin and the inorganic filling material are mixed uniformly; the glass fiber is wound on a mould after being steeped with the mixture; and heating and curing are performed to form the composite pole. Under the premise of ensuring the strength of the pole, the inorganic filling material is added in the raw materials; particularly, quartz sand is added to increase the rigidity of the pole, reduce the oscillation angle at the top end of the pole in gale weather and improve the safety of electric wires on the pole; and the method that the glass fiber is steeped with the mixture of the inorganic filling material and the polyurethane multi-base resin through a fiber reinforced plastic winding forming glue injection system instead of a steeping vat improves the strength and the rigidity of the pole and endows the pole with high surface finish.

The invention provides a biological culture device based on a hemodialyzer. The biological culture device comprises the hemodialyzer, a circulating pump, a swing weighing device, a sample collecting and storing device, a medicine-dosing device and a culture bag. The culture bag comprises a main culture bag and an auxiliary culture bag. The main culture bag is connected with the two ends inside a hemodialyzer main body to form a main circulation loop, and the auxiliary culture bag is connected with the two ends outside the hemodialyzer main body to form an auxiliary circulation loop. The sample collecting and storing device and the medicine-dosing device are connected with a pipe between the main culture bag and the hemodialyzer. The biological culture device is a cell or bacterium culture device which can monitor culture conditions, keep the monitor culture conditions stable, perform automatic liquid adding and sample, can simulate medicine concentration changes and is based on the hemodialyzer.

A non-contact angle sensor provided with an automatic return mechanism, configured in such a manner that a rotating shaft (33) is affixed to the center of rotation of a rotor (40) housed within a case (20), the intermediate section of the rotating shaft is inserted through and supported by an annular bearing (31), a coiled spring (35) through which the rotating shaft is inserted within the case presses the rotor relative to the case to a neutral angle position, a magnet (34) is affixed to the rear surface of the rotor so as to be separated outward in the radial direction from the rotating shaft, a magnetic sensor (53) is provided on a circuit board (50), which is provided within the case so as to face the rear surface of the rotor, so as to be separated outward in the radial direction from the rotating shaft and so as to face the magnet at an interval, and a bearing end (33b); of the rotating shaft (33) is supported by a bearing hole (62a) formed in the inner wall of a cover (62) for closing the case from behind the circuit board.

The invention discloses a conveniently-reversed ratchet mechanism. The mechanism comprises a first ratchet wheel with ratchets and a second ratchet wheel with ratchets. A one-way brake element is arranged between the first ratchet wheel and the second ratchet wheel; the one-way brake unit can selectively clamp the ratchets of the first ratchet wheel or the ratchets of the second ratchet wheel. The one-way brake element attracts and clamps the ratchets of the first ratchet wheel or the ratchets of the second ratchet wheel by means of magnetic force. The conveniently-reversed ratchet mechanism has the advantages of being simple in structure, large in twisting force, small in minimum swing angle, simple in reversing structure and the like. A ratchet wrench and a ratchet screwdriver manufactured from the conveniently-reversed ratchet mechanism also have the advantages of being simple in reversing structure, large in twisting force, small in minimum swing angle and the like.

The invention discloses a full-automatic numerical control multifunctional electronic thread-regulation jacquard purl round weft knitting machine. A post-jacquard device closely props against the inner wall of a needle cylinder in the knitting process to prevent a triangular mechanism from dropping and ensure high quality of a final product. The triangular mechanism realizes automatic stretching and retraction of a triangular block on the round weft knitting machine to automatically change the knitting track. The drawing and batching tension of a batching mechanism in the entire weaving process can be correspondingly regulated according to the technical requirements so as to realize more stable fabric drawing and batching; and the production process of various gray fabrics and the specification and quality of products can be guaranteed. A needle cylinder driving device realizes automatic control on the rotation speeds of an upper needle cylinder and a lower needle cylinder to adapt to the production of various products, and the product processing precision is improved.

The invention provides a composite conical slotted parachute applied to a supersonic low-density parachute opening environment, and a structural design method thereof. The parachute disclosed by the invention comprises two parts, namely a canopy and parachute cords, wherein the fabric surface of the canopy is composed of a composite conical upper part and a cylindrical canopy bottom, which are vertically separated from the middle by virtue of a wide gap; and the composite conical upper part comprises a top cone, a middle cone and a bottom cone. The composite conical slotted parachute has the advantages of high resistance coefficient and high stability, the defects of an existing background technology are overcome, and the composite conical slotted parachute is an excellent supersonic low-density parachute.

The invention belongs to the field of engineering machinery control technology and provides a single-operating-bar multifunctional loading manipulator. The single-operating-bar multifunctional loading manipulator comprises an operating bar component, a lifting rocker (7), a tipping bucket rocker (8), a tipping bucket lifting base (12) and two control flexible shafts. The lifting rocker (7) is fixedly connected with an operating handle (2). The lifting rocker (7) is connected with the tipping bucket rocker (8) and is capable of rotating back and forth relative to the tipping bucket rocker (8) and the tipping bucket lifting base (12). The other end of a connector with one end fixedly connected with the tipping bucket rocker (8) is hinged to the tipping bucket lifting base (12), and the tipping bucket lifting base (12) forms a swing support, relative to which the lifting rocker (7) and the tipping bucket rocker (8) swing left and right. According to the single-operating-bar multifunctional loading manipulator, a single operating bar can be used for achieving the functions of turning and lifting, the single-operating-bar multifunctional loading manipulator has the advantages of high stroke efficiency, short operating bar, small swinging angle and more comfortableness for drivers, and the cost is reduced.

The invention provides a grading mechanism of a surface mounted type electronic component testing and sorting machine, which is used in a fully-automatic surface mounted type electronic component testing and sorting machine in the field of semiconductor manufacture. The grading mechanism comprises a first synchronous belt conveying device, a second synchronous belt conveying device which is in mutual transmission connection with the first synchronous belt conveying device, a separating device which is in transmission connection with the first synchronous belt conveying device or the second synchronous belt conveying device, and a collecting device arranged below the separating device and used for receiving electronic components, wherein the motion region of the separating device is an inner wall of the separating device. The invention has the advantages of low cost, simple structure, multiple grading number, high speed and stable operation, and improves the quality and the efficiency of producing products by a machine.

Compared with the prior art, a crown block hoisted object anti-swing control system comprises an image acquisition module, an image processing module connected with the image acquisition module, an anti-swing data generation module connected with the image processing module, a central analysis processing system connected with the anti-swing data generation module, and a vehicle body advancing driving module connected with the central analysis processing system. According to the provided crown block hoisted object anti-swing control system, the swing angle of an object can be reduced, anti-swing control over a crown block is achieved, and the crown block can accurately and rapidly carry the object to a designated place.

The purpose of the present invention is to provide a conveyance system and a rack, the conveyance system being configured only by a simple mechanical structure and causing no malfunctions, and the rack being able to reliably and sequentially engage with / disengage from a plurality of pinions without being stopped or damaged, while shock, vibration, noise or the like is suppressed even if the pinions differ in phase and speed or are shifted in phase by temperature changes. The rack (120) comprises: a body portion (121) which is provided with a plurality of fixed rack teeth (122) in the center; and a movable portion (123) which is provided with movable rack teeth (124) that are continuous with at least one end of the fixed rack teeth (122). The movable portion (123) is supported so as to be rockable about a support shaft (125) which is provided further forward in the movement direction than the position where the movable rack teeth (124) of the movable portion (123) are located.

A drum pedal (10) includes a unit body (11), a pedal (12), a chain belt, a shaft (14), a beater (15), and a tension coil spring (16). The tension coil spring (16) has a lower end coupled through a bolt (26), an adjusting nut (28), and a locking nut (29) to a bracket (30) fixed to a column (18). The tension coil spring (16) pivots together with the bolt (26) and the adjusting and locking nuts (28,29) relative to the bracket (30). A pivot fulcrum (F16) of the tension coil spring (16) is provided on the lower surface of the bracket (30) contacting the adjusting nut (28).

The invention relates to a portable combined boat. The portable combined boat comprises floating bodies, wherein the floating bodies are positioned on two sides of the combined boat. The portable combined boat is characterized in that decks which are positioned above the floating bodies are arranged between the two floating bodies; the floating bodies are positioned at one side end of the outer side of the combined boat and are hinged with first wave-resistant plates which are vertically arranged; the other side ends of the floating bodies are hinged with support plates which are vertically arranged, and are positioned on the front and back sides of the decks and hinged with second wave-resistant plates. The portable combined boat is safe, and is convenient to mount, detach, transport and carry.

The invention relates to an overhead rail transportation system and a turnout system thereof. The turnout system comprises an overhead travelling rail and a balance rail for maintaining vehicle balance above a turnout, the balance rail comprising two parts corresponding to a straight part and a branch part of the turnout, and a movable direction selection mechanism arranged on a load traveling crane running on the traveling rail. The turnout system further comprises an inclined pressing strip which is fixedly installed on a bearing structure of the traveling rail and arranged at a certain inclined angle with the rail direction. Along with forward running of the load traveling crane, the inclined pressing strip can gradually extrude a stress device on the direction selecting mechanism by means of the moving force of a vehicle body, and the stress device is forced to move or rotate to a preset position required for enabling the load traveling crane to smoothly pass through a turnout. Theoverhead rail transportation system adopting the turnout system can ensure that a vehicle can safely, reliably and quickly pass through the turnout, and meets the design requirement of 'fault safety'.

The invention belongs to the technical field of hospital beds, in particular relates to a hospital bed for the medical field. The hospital bed comprises a frame body and a bed board, the hospital bedfacilitates a smaller width of two mounting plates through reasonably designing the width of the two mounting plates, when a patient is transferred from the hospital bed to a hospital bed in an inpatient ward or an examining table, the swing angle of the two mounting plates is smaller so the swaying suffered by the patient is smaller. When the patient is horizontally transferred from a transport bed to a hospital bed in the inpatient ward or the examining table, no relative movement between the hospital bed and the patient occurs when a transverse strap drives the patient to move, separates from the patient and moves, and the secondary injury can be prevented. The rotation of a first winding roller and a second winding roller of the hospital bed is driven by respective worms and gears, therotation of the first winding roller and the second winding roller can be prevented from being affected by pre-loaded pressure of compressing the spring when the worm is not driven to rotate throughthe self-locking function of worms and gears.

The invention discloses an automatic measurement system and measurement method for the flow rate of a cross section of a river channel. The automatic measurement system comprises a flow measurement trolley, a measurement bridge, a flow measurement station building and a data center, the measurement bridge is installed on a river channel in a crossing mode, the flow measurement trolley runs along the measurement bridge, and the flow measurement station building is built on one side of the measurement bridge; the flow measurement trolley comprises a remote measurement and control terminal and a data acquisition device; an on-off control device and a PC terminal are arranged in the flow measurement station building, and the data center is in communication connection with the flow measurement trolley, the on-off control device and the PC terminal. According to the invention, the data center is in communication connection with the equipment in the flow measurement station building and the flow measurement trolley, so that flow measurement control, emergency braking control and flow measurement station building door opening and closing control are carried out on the flow measurement trolley through the data center; the remote measurement and control terminal calculates the instantaneous flow and the accumulated flow by using a channel section method according to the set channel section data and a flow calculation formula and transmits the flow data to the data center, manual guarding is not needed in the whole process, and the flow data is more accurate compared with a traditional measurement mode.

The invention provides a double-wheel-shaft self-adaptation ocean wave and ocean current comprehensive power generation device. The double-wheel-shaft self-adaptation ocean wave and ocean current comprehensive power generation device comprises a submarine shell, a generator, two wheel shafts, two variable-speed shafts, wing wheels, a transmission mechanism, a water tank, a compressible water bag, a tray, a crankset, an anchor chain and an anchor pole, wherein the anchor pole is perpendicularly fixed to the ocean floor, the wheel shafts are installed in the submarine shell in a rotary mode, the two ends of each wheel shaft extend out of the submarine shell, the wing wheels are fixedly installed at the two ends of each wheel shaft respectively, the transmission mechanism is connected with the wheel shafts and an input shaft of the generator, the water tank is fixedly installed in the submarine shell, the size of the water bag can be changed, the water bag is communicated with the water tank, the tray is installed at the lower end of the water bag in a vertical sliding mode, the crankset is installed on the side wall of the submarine shell in a rotary mode, one end of the anchor chain is fixed to the bottom of the submarine shell, the other end of the anchor chain penetrates through the bottom of the tray and the crankset in sequence, and then is connected to an anchor ring arranged outside the submarine shell, and the anchor ring is assembled outside the anchor pole in a sliding mode. The double-wheel-shaft self-adaptation ocean wave and ocean current comprehensive power generation device is simple in structure and high in efficiency, and can adapt to changes of ocean waves and changes of ocean currents, energy can be utilized to the maximum extent, and damage caused by rough sea can be automatically avoided.

The invention belongs to the technical field of attaching strip splitting machinery, and particularly relates to a foam cotton adhesive attaching device. The foam cotton adhesive attaching device comprises a machine frame, an upper support frame, a lower support frame, an upper gas cylinder, a lower gas cylinder, a gas guide pipe, an upper scraping plate, a lower scraping plate, an adhesive tape roller, a foam cotton rolling wheel, a cutting cutter, an installing frame, a control unit and a gas supply device, wherein the gas is simultaneously supplied to the upper gas cylinder and the lower gas cylinder through the gas supply device; the simultaneous action of the upper scraping plate and the lower scraping plate can be realized; the foam cotton attaching precision is improved. By controlling the gas supply quantity of the gas supply device on the upper gas cylinder and the lower gas cylinder, the swinging angle of the upper scraping plate and the lower scraping plate is adjustable, sothat the gap between the upper scraping plate and the lower scraping plate is adjustable; the goal of producing different specifications of foam cotton is achieved; raw materials of various specifications are processed by using one kind of equipment, so that the production cost is reduced; the production efficiency is improved.

The invention relates to a locker. The locker comprises a hinge base, a connecting rod and a torsion spring. The front end of the connecting rod is hinged to the hinge base through a hinge shaft. The torsion spring is arranged at the position, between the hinge base and the connecting rod, of the hinge shaft and used for supporting the connecting rod when the locker is in a non-locking state, the connecting rod is prevented from swinging to the lowest position, the connecting rod is made to stay between the locking position and the lowest position, and accordingly the situation that the connecting rod and a locking rotary knob swing to the lowest position through the gravity and collide with lower-layer equipment in an equipment cabin is avoided; and meanwhile, the swinging angle of the connecting rod is reduced, the operation time is shortened, and the operation efficiency is improved.

The invention relates to a pig breeding feeder, in particular to a particle material discharging device through swing rod drive. The device is characterized in that a base is in a square cover shape, a discharging hole is formed in the center of the square cover, a stripe discharging control gate is arranged above the discharging surface, two ends of the discharging control gate are connected to a swing rod, the discharging control gate and the swing rod form a rectangular ring, a positioning pin is arranged on the swing rod adjacent to the upper corner, two guide grooves are formed in the outer side wall of the base and are provided with control sliders inside, the lower end of a control slider adjusting rod is connected to the control sliders, and the upper end of the control slider adjusting rod is connected to an adjusting rod positioning seat through an adjusting nut; a connecting tube is connected to the top of the base, and the swing rod is limited to swing only through a positioning hole of the connecting tube and drives the discharging control gate to swing. The device is ingenious in structure, material is discharged discontinuously, the discharging speed is low, the device is convenient and sanitary to use, the discharged particle amount can be adjusted manually, the benefit can be increased for pig farms, and the promotion value is provided.

The invention relates to a portable vertical well derrick. The portable vertical well derrick comprises three supporting rods, bottom plates, reinforcing rods, fixing mechanisms, safety rails, a working plate, a circular rod and balance mechanisms, wherein the bottom plates are welded to the lower ends of the supporting rods at the bottoms, the bottom plates are connected with cement pouring layers through the fixing mechanisms, connecting circular holes are formed in joints of the interiors of the bottom plates and the fixing mechanisms, the reinforcing rods are fixed to the outer walls of the supporting rods through bolts, and the two reinforcing rods are installed in a cross mode. The working plate is arranged at the upper ends of the supporting rods at the tops, the working plate and the supporting rods are fastened through bolts, and the safety rails are arranged on the outer side of the working plate. The connection stability between the portable vertical well derrick and the cement pouring layers is high, the firmness is high, the long-distance transportation is convenient, assembly and disassembly are simple and convenient, the stability of materials conveyed in a well by atraction rope is effectively ensured, so that a transported material is not prone to scattering.

The invention belongs to the technical field of carriage connection, and particularly relates to a detachable hook mechanism for carriage connection. The detachable hook mechanism comprises a front carriage connecting rod, a first drive shell, a second drive shell and a rear carriage connecting rod. If a front carriage derails in the train running process, the front carriage can swing relative toa rear carriage, and in other words, the front carriage drives the front carriage connecting rod to swing. Due to swinging of the front carriage connecting rod, a first gear is driven to swing arounda second rotation shaft under the action of a first shaft sleeve. The carriage connecting rod drives the first gear to swing around a second rotation shaft so that a connecting gear sleeve can rotatethrough the first gear. The connecting gear sleeve rotates and drives the first drive shell to rotate. The first drive shell rotates and makes a limiting drive column rotate. In the limiting drive column rotation process, when one guiding groove in the limiting drive column is matched with a corresponding guiding notch in a limiting connection part, the rear carriage connecting rod can disengage from the front carriage along the corresponding guiding groove and the corresponding guiding notch; and train overturning is prevented.

The invention relates to a ratchet wrench, which includes a head, and a ratchet, a positive braking group, a reverse braking group, and a reversing member are built in the head. By switching the reversing member, the forward braking group, the reverse The braking group abuts against the ratchet, and when the ratchet is rotated, each of the detents contained in the braking group abutting against the ratchet engages the ratchet alternately, so as to reduce the necessary swing angle of the ratchet wrench.

The invention provides a self-adaptive fixing and generating unit for an ocean wave and ocean current integrated generating set. The self-adaptive fixing and connecting unit is arranged on the self-adaptive ocean wave and ocean current integrated generating set. The self-adaptive fixing and connecting unit comprises a crankset, an anchor chain and a pile. The crankset is installed on the side wall of a submarine shell. One end of the anchor chain is fixed to the bottom of the anchor shell, and the other end is connected to an anchor ring after penetrating through the bottom of a tray and the crankset, wherein the anchor ring is located outside the submarine shell. The pile is vertically fixed under the sea and is of a hollow structure; a cable is connected to an electric generator after penetrating the pile, wherein the electric generator is located inside the submarine shell; the anchor ring is arranged outside the pile in a slide fit mode. A cable roller is fixed to one end of the crankset, the cable is wound around the cable roller, one end of the cable is connected to the electric generator located inside the submarine shell, and the other end of the cable is connected to a load on the land after penetrating the pile. The self-adaptive fixing and connecting system is simple in structure and beneficial to stability of ocean wave and ocean current electricity generation.

The invention relates to a multi-joint crank drive (2) of an internal combustion engine (1) comprising at least one coupling element (8) mounted rotatably about a coupling element rotational axis (12), on a lifting pin (13) of a crankshaft (14), and at least one articulated connecting rod (16) rotatably mounted around an eccentric rotational axis (18) on a lifting pin (19) of an eccentric shaft (20), wherein the coupling element (8) is pivotably connected around a piston connecting rod rotational axis (9) to a piston connecting rod (6) of a piston (4) of the internal combustion engine (1) and is pivotably connected around an articulated connecting rod rotational axis (17) to the articulated connecting rod (16), and wherein a rotational axis (21) of the eccentric shaft (20) lies above a plane (22) which incorporates a rotational axis (15) of the crank shaft (14) and is perpendicular to at least one longitudinal centre line of a cylinder. It is thereby provided that the distance (l1) between the rotational axis of the piston (7) and the rotational axis of the piston connecting rod (9) is at least 1.41 at most 1.61; and the distance (l2) between the rotational axis of the piston connecting rod (9) and the rotational axis of the coupling element (12) is at least 0.38 and at most 0.58; and the distance (l3) between the rotational axis of the coupling element (12) and the rotational axis of the articulated connecting rod (17) is at least 0.82 and at most 1.02; and the distance (l1) between the rotational axis of the articulated connecting rod (17) and the eccentric rotational axis (18) is at least 1.63 and at most 1.83, relative in each case to a total piston stroke. The invention additionally relates to an internal combustion engine (1) with a multi-joint crank drive (2).

The invention discloses a rocker arm shaft and a rocker arm assembly. The rocker arm shaft comprises a rocker arm shaft body capable of extending into a shaft hole of a rocker arm, a main oil duct and at least one group of branch oil ducts are arranged in the rocker arm shaft body, and the main oil duct extends in the axial direction of the rocker arm shaft body. Each group of branch oil ducts comprises a rocker arm shaft head oil duct and a rocker arm shaft tail oil duct which have a preset included angle; one end of the rocker arm shaft head oil duct communicates with the main oil duct, and the other end of the rocker arm shaft head oil duct extends to the outer surface of the rocker arm shaft body so as to supply lubricating oil to the rocker arm shaft head oil duct; and one end of the rocker arm shaft tail oil duct communicates with the main oil duct, and the other end of the rocker arm shaft tail oil duct extends to the outer surface of the rocker arm shaft body to supply lubricating oil to the rocker arm shaft tail oil duct. The rocker arm shaft can be well lubricated, and the structure of the rocker arm assembly is simplified.

The invention provides a single-lens oblique photography device for an aircraft. The single-lens oblique photography device comprises a lens mechanism, a supporting mechanism and a camera; the lens mechanism comprises a plurality of reflecting mirrors, a switching device and a first power component, and the plurality of reflecting mirrors are fixedly installed on the switching device at different spatial angles; the supporting mechanism comprises a connecting piece and a second power component, and the output shaft of the second power component is fixedly connected with the connecting piece; the camera is arranged behind the lens mechanism, and the reflecting mirrors are arranged on the optical axis of the camera; and the camera and the lens mechanism are fixedly connected to two ends of the connecting piece, and the supporting mechanism is connected to the aircraft. According to the single-lens oblique photography device, the first power component drives the switching device to move to drive the reflecting mirrors at different spatial angles to move to the front end of the camera; the second power component drives the connecting piece to swing to drive the lens mechanism and the camera to swing so as to the change the shooting direction of the camera, and the device is simple in structure, light in weight and small in vibration when the shooting direction is changed, and thus the device is more suitable for aviation shooting.

The invention discloses an impeller of a washing machine and the washing machine with the impeller, belongs to the technical field of washing machines and aims at solving the problem of poor damping effect of the existing washing machine. The impeller of the washing machine comprises an impeller body which can rotate around a connection shaft hole, two or more balancing rollers are evenly arranged on the impeller body, and / or a balancing ring is arranged on the periphery of the impeller body; each balancing roller is arranged in the radial direction of the impeller body. The washing machine comprises the impeller. Two or more balancing rollers are evenly arranged on the impeller body of the washing machine, and / or the balancing ring is arranged on the periphery of the impeller body, the balancing rollers and / or the balancing ring can be in linkage with the balancing ring on an inner drum, and the impeller has extremely good deviation rectification effects on real-time mass eccentricity which exists in washing and / or spin-drying of the washing machine and makes the rotation of the inner drum more smooth and steady and the noise lower.

The invention provides a self-adaptation sea wave and sea current comprehensive generator set group which is used for ocean power generation. The self-adaptation sea wave and sea current comprehensive generator set group is characterized by comprising more than two self-adaptation sea wave and sea current comprehensive power generation devices which are combined for generating power, intervals are arranged between the self-adaptation sea wave and sea current comprehensive power generation devices to avoid mutual collision, and a cable of each self-adaptation sea wave and sea current comprehensive power generation device penetrates through a pile and is connected with the load on the land. The self-adaptation sea wave and sea current comprehensive power generation devices are simple in structure, high in efficiency, and capable of adapting to the variation of sea waves and sea currents, utilizing energy to the maximum and automatically avoiding damage by the rough sea. The combined generator set group can provide a large-power power generation system, and energy of seawater of local areas is fully utilized.