69 results about "Device Spring" patented technology

A method and a device for improving cardiac function are provided. The device is packaged in a collapsed state in an end of a catheter. Portions of a frame construction of the device spring outwardly when the catheter is withdrawn from the device. Anchoring formations on the frame construction secure the frame construction to a myocardium of the heart. A membrane secured to the frame construction then forms a division between volumes of an endocardial cavity of the heart on opposing sides of the membrane.

A method and a device for improving cardiac function are provided. The device is packaged in a collapsed state in an end of a catheter. Portions of a frame construction of the device spring outwardly when the catheter is withdrawn from the device. Anchoring formations on the frame construction secure the frame construction to a myocardium of the heart. A membrane secured to the frame construction then forms a division between volumes of an endocardial cavity of the heart on opposing sides of the membrane.

Blood removal system for removing blood for diagnostic purposes including a housing, a lancet guide, and a lancet drive with a drive spring. The lancet drive comprises a cocking device, in order to tension the drive spring, a drive rotor that is driven by the drive spring, and an output-side coupling mechanism, by means of which the rotational movement of the drive rotor is converted into the puncturing movement.

The invention relates to one method and device to disable elements from old circuit board, which comprises the following steps: fixing circuit board or using limit box container circuit board; heating; fixing or connecting impact lever and circuit board fix device for impact; using oscillation device spring network band isolation, collection part and welding; after cooling to sort the circuit base board and element. The device comprises impact lever, compression spring, circuit board fix device, protruding wheel, guide rail, spring net band, and hot wind entrance hole.

The invention refers to an auto-injector for administering a medicament (M) and to a method for operating it, the auto-injector comprising of a tubular chassis and a carrier subassembly, comprising a tubular carrier slidably arranged in the chassis. The carrier contains a syringe, a drive spring and a plunger for forwarding load of the drive spring to a stopper arranged in the syringe. The syringe is locked for joint axial translation with the carrier. A control spring is connectable to the carrier by first interlock means for needle insertion, wherein the whole carrier subassembly is advanced. Second interlock means are arranged for releasing the drive spring when the carrier has at least almost reached an injection depth thus delivering the medicament (M). The first interlock means are arranged for decoupling the control spring from the carrier and coupling it to the chassis for advancing it over the needle into a needle safe position.

The invention relates to a multifunctional transfusion support, which comprises a hook, wherein the lower end of the hook is connected with an upper support rod; the upper support rod is connected with a lower support rod through a height adjusting rod; the lower support rod is connected with base calipers through a bulb; the base calipers are connected with support calipers; a disc spring is arranged in the base calipers; a limiting fixed fixture block is arranged between the bulb and the disc spring; and the bottom end of the disc spring is provided with a force adjusting block. The multifunctional transfusion support is simple in structure, and is convenient to operate; and the height of the transfusion support can be adjusted, the angle of the transfusion support can be adjusted as required, a sickbed can be rotated conveniently during operation, inconvenience caused by insufficient height or length of the transfusion support and a transfusion tube due to angle adjustment of the sickbed is avoided, and the personnel safety of a patient is ensured.

The invention discloses a spiking-up device used for an asphalt pavement, comprising a basic frame, a swaying frame, a cylinder, a spring, an assistant spiking-up swaying-arm, an assistant scarifying device and a main spiking-up device. The body of the cylinder is articulated to the back end of the basic frame, and the front end of the swaying frame is articulated with the front end of the basic frame, and the middle part of the swaying frame is articulated with the piston rod of the cylinder to form a triangle support; the back part of the swaying frame is raised upwards; the front end of the assistant spiking-up swaying-arm is articulated with the middle part of the swaying frame, and the spring is supported between the upper part of back end of the assistant spiking-up swaying-arm and the back part of the swaying frame; the assistant spiking-up device is arranged on a lower part of the back end of the assistant spiking-up swaying-arm; the main spiking-up device is arranged in the middle of the swaying frame. The spiking-up device adopts the whole cylinder for pressurizing and back-row assistant spiking-up device spring for pressurizing so as to make use of the compressibility of compressed air and automatic flexibility of spring to guarantee the tooth of spiking-up device to constantly contact pavement spiked-up and to avoid that the concave pavement can not be spiked-up and the projecting parts on pavement block the moving of spiking-up device or cause damage to the device.

The invention discloses a turbocharging executing device spring processing process, which is characterized by comprising the following steps of 1, material selection; 2, spring coiling: a steel wire blank is coiled into a cylindrical spiral spring according to the prefabricated height, outer diameter and ring number; 3, tempering: the spring is placed into a temper furnace for distressing temper; 4, spring grinding: the two end surfaces of the spring are flatly ground; 5, flaw detection; 6, shot blasting: coarse and fine twice shot blasting are adopted, the diameter of the first shot blasting is greater than the diameter and the intensity of the second shot blasting; 7, secondary tempering; 8, standing processing; 9, heat forming processing; 10, fine grinding; 11, sorting; 12, packaging. Through special heat treatment, the produced high-quality spring has the hardness being 45-50HRC, the full-stroke reciprocating movement in high-temperature environment being 280 DEG C can reach three hundred thousand times, and the elasticity loss rate does not exceed 40 percent.

Spring-damping operations for suppressing the springing vibrations which are generated in a vehicle (1) by the input from the road surface to the wheels (20) of the vehicle (1) are performed by controlling the torque of a motor (10). The spring-damping operations are restricted or inhibited in accordance with either the state of a battery (14) such as the voltage and the temperature of the battery (14) for feeding the electric power to the motor (10), or the state of the control such as a charge / discharge feedback control which influences the electric power of the battery (14). As a result, the spring-damping operations can be restricted in the case of the state where the springing vibrations may be hard to perform properly, where the battery (14) is easily deteriorated or where an interference with another control may occur. Thus, the spring-damping operations can be executed in the state where the control of the operations is conceded, if necessary, so that the spring-damping control and other controls can be properly executed. As a result, it is possible to prevent the spring-damping control from influencing the other controls.

The invention discloses a shock-absorbing device for drying sludge treatment equipment. The upper and lower ends of the shock-absorbing device are respectively provided with a shock-absorbing device flange, a shock-absorbing device spring is arranged between the two shock-absorbing device flanges, a shock-absorbing device cooling tank is arranged inside the shock-absorbing device spring, the shock-absorbing device cooling tank is a cylindrical sealed tank filled with solution, the distance between the shock-absorbing device spring and the shock-absorbing device cooling tank is 5mm; the side of the shock-absorbing device cooling tank is provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe, and a cooling coil pipe is arranged between the cooling liquid inlet pipe and the cooling liquid outlet pipe; the cooling liquid enters from the cooling liquid inlet pipe, the solution inside the shock-absorbing device cooling tank is cooled by the cooling coil pipe, and the heat generated by the shock-absorbing device spring is taken away by the shock-absorbing cooling tank wall, and the cooling liquid is finally discharged from the cooling liquid outlet pipe. The shock-absorbing device for drying sludge treatment equipment has the advantages of high intelligent degree, good stability, uniform vibration dispersion, and small impact force on the whole equipment.

A drug delivery device (1) comprises a housing and an expelling assembly adapted to expel a dose of drug from a cartridge (380). The expelling assembly comprises a drive spring (135) which in an energized state is adapted to drive the expelling assembly, a rotating component (550,650) adapted to rotate relative to an axis of rotation during expelling of a dose of drug, and user actuated release means (191, 190)for releasing the drive spring to thereby expel a dose of drug. The device is provided with a brake element (575, 675) being moveable in a plane generally perpendicular to the axis of rotation, the brake element being adapted to engage the rotating component such that during rotation thereof the brake element is moved back and forth, whereby the brake element provides a braking action on the rotating component.

The invention relates to a multi-fiber connector which comprises an optical fiber connector plug and an adapter. The optical fiber connector plug comprises an insertion end. The insertion end comprises a longitudinal insertion hole allowing the end of an optical fiber to insert into. Two opposite ends of the adapter are provided with insertion holes. The optical fiber connector plug can be freely inserted into and pulled out of the insertion holes. An elastic device which can be compressed and spring back is disposed between the two opposite insertion holes of the adapter. The optical fiber connector plug is inserted into one optional insertion hole to be matched with the adapter, and the elastic device is compressed and abutted against the optical fiber connector plug towards the pulling out direction of the optical fiber connector; when the optical fiber connector plug is not matched with the adapter, the elastic device springs back towards the pulling out direction of the optical fiber connector plug. The multi-fiber connector has the advantages that the elastic device is simple in structure and simple to assemble, part number is reduced, and cost is lowered.

The invention relates to the medical device technical field, and especially relates to a wheelchair footrest adjusting device; an inner gear is arranged in a rotary gear, and connected with an adjusting device cover; an outer gear is arranged outside the inner gear, and connected with an adjusting device spring arranged on an inner central shaft of the rotary gear; the inner gear units of the outer gear are engaged with outer gear units of the inner gear; one end of the adjusting device spring is fixed with an end cover, and the other end is connected with an adjusting device button through an adjusting device screw; the wheelchair footrest can be rotated to the inner side of the wheelchair so as to reduce package volume of the wheelchair; the rotary structure is in a gear engaged mode, so the footrest can freely rotate, thus satisfying different footrest angle and height demands of the wheelchair; when the adjusting device button is pushed, the inner and outer gears can be disengaged, and the footrest can be rotated to the needed angle; when the button is released, the outer gear is driven by the adjusting device spring so as to push the outer gear to be engaged with the inner gear, and the footrest stops in the position.

A rope medium-length hole drilling tool locking device is characterized by being composed of an external spline drilling pipe, a locking unit, a position stopping device and a reamer. The taper extrusion expansion principle is adopted, when a drilling tool works, rising thrust producedby the external spline drilling pipe is converted into transverse tension through the locking device, a locking device spring piece enters a reamer groove, rising thrust produced by the external spline drilling pipe is effectively stopped, the purpose of locking is attained, and thus the drilling tool is protected from being damaged by the rising thrust produced by the external spline drilling pipe.

The invention discloses an anti-falling centering device for a sucker rod. The sucker rod is connected with a universal device; a screw pump is connected with an anti-falling device through a screw pump connecting end; a connector is inserted between the universal device and the anti-falling device; and an anti-falling device spring assembly is arranged on the anti-falling device. In the anti-falling centering device for the sucker rod, the universal device and the anti-falling device are connected integrally through the connector; and the two ends of the whole are respectively arranged on the screw pump and the sucker rod. The anti-falling centering device for the sucker rod has the characteristics of preventing the screw pump from eccentricity and vibration, prolonging service life, shortening maintenance period and improving oil recovery, along with a stable and firm structure. The anti-falling centering device for the sucker rod is suitable to be used for connecting the screw pump and the sucker rod of oil pumping operation on an oilfield.

The invention refers to an auto-injector (1) and to a method for operating it, the auto-injector comprising: - a tubular chassis (2), - a carrier subassembly comprising a tubular carrier (7) slidably arranged in the chassis (2), the carrier (7) containing a syringe (3) with a hollow injection needle (4), a drive spring (8) and a plunger (9) for forwarding load of the drive spring (8) to a stopper (6) of the syringe (3), - a wrap-over trigger sleeve (12) arranged over the distal end (D) of the auto-injector (1), the trigger sleeve (12) extending at least almost over the whole length of the auto-injector (1), - a control spring (19) arranged around the carrier (7), - first interlock means (20, 22, 23, 24) for coupling a proximal end of the control spring (19) to either the carrier (7) for advancing it for needle insertion or to the chassis (2) for needle retraction, - second interlock means (11, 13, 15) arranged for releasing the drive spring (8) for injection, - third interlock means (16, 17, 18) arranged for coupling the chassis (2) to the carrier (7) for joint axial translation relative to the trigger sleeve (12), - fourth interlock means (21, 25, 26, 28) arranged for coupling a distal end of the control spring (19) to either the carrier (7) for needle retraction or to the trigger sleeve (12) otherwise.

The present invention provides a follow-up multi-point contact type hoop strain measurement device. The device comprises a connecting ring, a fixing device and an LVDT sensor. A plurality of mounting members are evenly distributed to pass through the sidewall of the connecting ring, wherein the mounting members are square and are provided with circular through holes. The fixing device and the LVDT sensor are alternately arranged in the through holes through connecting pieces. The fixing device comprises a fixing rod having the telescopic function, and end caps arranged at the two ends of the fixing rod, wherein one end cap in contact with a sample at the center of the connecting ring is an arc-shaped end cap. The arc shape of the arc-shaped end cap is matched with the outer periphery of the sample. A fixing device spring is sleeved onto the fixing rod. The two ends of the spring of the fixing device are respectively fixed onto the arc-shaped end cap and the mounting members. The probe of the LVDT sensor is arranged towards the sample. A sensor spring is sleeved onto the fixing rod of the LVDT sensor. The two ends of the sensor spring are respectively fixed on a probe base and the mounting members.

The invention discloses an intelligent direction control handle for sports equipment with an upper limb training function. The handle is provided with a data interaction gauge head; the inside of the data interaction gauge head is provided with an acceleration sensor, an angle sensor, a digital processing control unit and a wireless signal transmitting-receiving unit; the handle consists of a connecting rod, an arm strength device spring and two armrests; the arm strength device spring is connected between the two armrests; and the connecting rod is connected with the two armrests. According to the handle disclosed by the invention, the data interaction gauge head on the handle and a computer provided with game software carry out information interaction so as to achieve a purpose that the sports equipment and a game are combined, and the sports entertainment effect of the somatosensory body building is achieved. In addition, according to the structure that the handle and the arm strength device spring are combined, the handle has a peculiar upper limb training function, and the upper limb training is combined with the entertainment. Therefore, according to the intelligent direction control handle for sports equipment with the upper limb training function, which is disclosed by the invention, the whole body training is combined with the entertainment, and the intelligent direction control handle has the advantages of simple and compact structure and convenience in production in batches and assembly.

The invention discloses equipment for energy storage and application, namely a spring energy pack. The energy is stored in the spring energy pack through products such as bicycles, electromobiles, treadmills, automobiles, household appliances and the like and the energy is used for related products such as bicycles and the like for recycling. The entire process of energy transfer, storage and application is physical conversion with little energy loss, does not produce any pollution sources and meets the new requirements for energy conservation and environment protection, and besides, the spring energy pack can also be commonly used in the series of products. The spring energy pack disclosed by the invention is characterized in that the spring energy pack comprises an energy storage spring,a gear train, a unidirectional rotating shaft system, a liquid-oil circulation system, a liquid-oil flow control part, a liquid-oil flow rotating gear shaft system, a fixing plate, a housing, a fixing part and the like. When rotating devices such as bicycles and the like which are connected with the spring energy pack operate, the spring is tightened to store energy. When the liquid-oil control switch of the spring energy pack is turned on, the energy is released to drive the connected equipment to operate.

The invention discloses a toothed nail compressing device in a building engineering construction device. The toothed nail compressing device comprises a spring fixing base, a compressing device shell,a compressing device spring, a compressing device spring stabilizing column and an inverted U-shaped plate. The inverted U-shaped plate is positioned on the upper portion of a lantern ring lock nailand is fixedly connected with a center shaft of a toothed nail on the top of an adjusting mechanism; the spring fixing base is arranged on the upper portion of the inverted U-shaped plate, the bottomof the spring fixing base is fixedly connected with the inverted U-shaped plate, and the upper portion of the spring fixing base is fixedly connected with the compressing device spring; the upper endof the compressing device spring is fixedly connected with a spiral push rod of the toothed nail; the compressing device spring stabilizing column is arranged inside the compressing device spring, andthe diameter of the compressing device spring stabilizing column is smaller than that of the compressing device spring. The toothed nail compressing device has the advantages that the toothed nail compressing device is reasonable and compact in structure, low in application cost and convenient to adjust; the toothed nail compressing device is high in practicality, and fixing effects can be firmlyand quickly realized by the toothed nail compressing device; different construction devices can be fixed by the aid of the toothed nail compressing device, and accordingly the toothed nail compressing device is high in applicability.

The invention discloses a thermal environment-based composite material-metal hybrid connector fatigue test pre-processing device. The device comprises a push rod, a pushing device shell, a spring base, a pushing device locking nail, a locking nail middle shaft, a middle shaft fixing plate, a spring stabilizing upright column, and a pushing device spring; the pushing device spring is located insidethe pushing device housing; the upper portion of the pushing device spring is provided with the push rod; the lower portion of the pushing device spring is provided with the spring base; the pushingdevice spring is fixedly connected with the push rod and the spring base; the spring stabilizing upright column is disposed at the lower part of the interior of the pushing device spring; the spring stabilizing upright column is fixedly connected with the spring base; and the middle shaft fixing plate is fixedly connected with the lower portion of the spring base. The thermal environment-based composite material-metal hybrid connector fatigue test pre-processing device of the invention has the advantages of simple structure, convenient operation, high automation degree, good pre-processing effect and high work efficiency. With the thermal environment-based composite material-metal hybrid connector fatigue test pre-processing device adopted, defects such as cumbersome manual work and inconvenient use can be eliminated.

The invention is named as a pressure storage type automobile engine prestart engine oil pressure auxiliary device, and belongs to the technical field of automobile engine oil lubrication. The pressure storage type automobile engine prestart engine oil pressure auxiliary device mainly solves the problem that mechanical abrasion exists due to the poor lubrication when an existing automobile is started. The pressure storage type automobile engine prestart engine oil pressure auxiliary device is mainly characterized in that the pressure storage type automobile engine prestart engine oil pressure auxiliary device comprises a lubricating oil pressure storage device composed of a pressure storage device shell, a pressure storage device piston and a pressure storage device spring, and the lubricating oil pressure storage device is connected with an engine lubrication main oil way; an electrical control device is composed of a storage battery, an ignition switch, a pressure storage device electromagnetic valve, an engine oil pressure alarm lamp and an engine oil pressure alarm sensor; and the pressure storage device electromagnetic valve comprises a first electromagnetic valve coil and a second electromagnetic valve coil, and the pressure storage device electromagnetic valve is arranged at the joint of the lubricating oil pressure storage device and the engine lubrication main oil way. The pressure storage type automobile engine prestart engine oil pressure auxiliary device has the beneficial effects that the service life of an automobile engine is prolonged and normal work of a hydraulic tappet is ensured when an automobile is started, and the pressure storage type automobile engine prestart engine oil pressure auxiliary device is mainly used for making engine oil generate pressure capable of lubricating the engine before the automobile engine is started.

The invention provides a switchgear spring operating mechanism device fault diagnosis method and device. The fault diagnosis method includes the following steps that: switching-off and switching-on coil current signals and core stroke signals during the switching-off and switching-on operation process of an operating mechanism are detected; analysis processing is performed on the obtained switching-off and switching-on coil current signals and core stroke signals, so that relevant characteristic data are obtained; the obtained characteristic data are compared with a data model library, so thatwhether the operating mechanism is faulty and the fault type of the operating mechanism can be known through diagnosis, wherein the data model library includes a normal state data model and an abnormal state data model which respectively include the characteristic data of the operating mechanism under a normal state and an abnormal state which are corresponding to the switching-off and switching-on coil current signals and the core stroke signals. With the switchgear spring operating mechanism device fault diagnosis method and device of the invention adopted, the problem of low accuracy of adetermined result which is caucused a condition that only switching-off and switching-on coil current signals are adopted to determine the fault type of the operating mechanism of a switchgear in theprior art can be solved.

The invention relates to a switchgear spring operating mechanism fault diagnostic method, which comprises the steps of: acquiring an induction current of an electromagnet during the motion process of a spring operating mechanism; acquiring coil charging time, iron core motion time and a current feature value at a coil charging completion moment according to the acquired induction current; and comparing the actually obtained parameters with corresponding parameters under normal circumstances for carrying out fault diagnosis of the circuit breaker spring operating mechanism. The switchgear spring operating mechanism fault diagnostic method is simple in process, can diagnose faults by just acquiring the induction current of the electromagnet, and makes judgment based on the coil induction current which is closely associated with the spring operating mechanism, so that the switchgear spring operating mechanism fault diagnostic method can effectively and accurately diagnose circuit breaker faults.

A plate uncoiling and shearing die comprises an upper die base and a lower die base. A lower die cutter block, an elastic material supporting frame and a discharging roller strip set are sequentially arranged on the top of the lower die base from the feeding side to the discharging side. The lower die cutter block and the discharging roller strip set are fixed to the lower die base, an elastic material pressing device is correspondingly arranged over the lower die cutter block, the top of the elastic material pressing device is connected with the bottom of the upper die base through a material pressing device spring, and the bottom of the elastic material pressing device is matched with the top of the lower die cutter block in a pressing mode. The bottom of the elastic material supporting frame is connected with the top of the lower die base through a material supporting frame spring, an upper die cutter block is correspondingly arranged over the elastic material supporting frame, the top of the upper die cutter block is fixedly connected with the bottom of the upper die base, and the upper die cutter block is matched with the lower die cutter block. According to the design, roll materials are prevented from being scratched by a cutting edge of the lower die cutter block, meanwhile, the die is prevented from being damaged by the edges of the roll materials, and the die maintenance cost is reduced.