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36results about How to "Restore initial state" patented technology

Steel wire rope hoisting clamp holder for verifying elevator over-speed governor

The invention discloses a steel wire rope hoisting clamp holder for verifying an elevator over-speed governor. A steel wire rope is clamped by a lock wrench to break away from the over-speed governor, the steel wire rope is prone to falling off from the lock wrench, and thus dangers are brought to workers. A second clamp of the steel wire rope hoisting clamp holder clamps one side, close to a lift car, of the steel wire rope; in a first clamp, a clamp body placing groove is fixed to a clamp block base, two T-shaped clamp bodies and the clamp body placing groove form sliding pairs, and first clamp blocks and thread sleeves are fixed on the T-shaped clamp bodies; the thread sleeves and a bi-directional lead screw form screw pairs, big gear wheels fixed on the bi-directional lead screw are engaged with small gear wheels fixed on a driving shaft, the center of a crankwheel is hinged to a lifting base and eccentrically hinged to one end of a connecting rod, and the other end of the connecting rod is hinged to a lifting sliding block; and a plunger of a hydraulic pump is fixed to the lifting sliding block, the clamp block base is fixed to piston rods of hydraulic cylinders through a main lifting rod and an auxiliary lifting rod, and the hydraulic pump drives the hydraulic cylinders. According to the steel wire rope hoisting clamp holder for verifying the elevator over-speed governor, the lift car does not need to be hoisted, operation can also be conducted when an elevator is powered off, and dangers are prevented from occurring on workers.
Owner:ZHEJIANG SCI-TECH UNIV

Electric power system power distribution protection device, application and method

The invention discloses an electric power system power distribution protection device, an application and a method. The electric power system power distribution protection device comprises a power distribution cabinet body, a travel switch, three electromagnetic relays, a signal lamp and a controlled switch, wherein the three electromagnetic relays act on the controlled switch through the signal lamp, electromagnetic coil circuits of two of the electromagnetic relays are mutually controlled and respectively act in normal power supply and temporary maintenance, the other electromagnetic relay performs delay timing, assists standby application and is also controlled by the other two electromagnetic relays, and the three electromagnetic relays form three control circuits to act on the controlled switch. The electric power system power distribution protection device can perform operations such as maintenance, transformation, switching and periodic inspection on power distribution equipment in a power distribution cabinet or box without interrupting power supply; when the power distribution cabinet or box is illegally opened by a law breaker, power supply for the system is interrupted if a special key is still not inserted within a set time, and the power supply is recovered only when the special key is inserted.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2

Cart for storing tire second stage building tire blank

The invention provides a tire second stage molding wheel blank storage car. A ring tray is supported by a cradle fixedly arranged on a car body. The height of the cradle is higher than the height of the outward raise of a lower entry. The cradle is a ring cylinder or a plurality of support pillars. A lifting mechanism is arranged under a tray inner hole. A round bracket is fixedly positioned at the top end of a piston of the lifting mechanism; the diameter of the bracket is smaller than the diameter of the central hole of a wheel blank; the circumference of the round bracket is articulated and provided with 3 to 6 upper entry brackets at a regular interval; and at an initial status, the external wings of the upper entry brackets slope upwards and inwards. A second stage molding wheel blank is horizontally positioned on the storage car with the tray holding the side and the crest part of the tire, and the lower entry passes through the tray inner hole and sinks. When the wheel blank is dropped down, and the upper entry brackets are caused to turn outwards by a lower tire circle and a concave camber matching with an upper entry rises upwards. The bracket is lifted by the lifting mechanism and the upper entries are held by the upper entry brackets to avoid the deformation of the wheel blank. When the wheel blank is taken out, the bracket falls, and the upper entry brackets are plucked by the lower tire circle to recover to the initial status. The wheel blank storage car can keep the wheel blank from deformation, thereby being convenient in the storage and delivery of second stage molding wheel blank of a huge tire; besides, the wheel blank storage car is simple in structure and convenient in usage.
Owner:HAOHUA SOUTH CHINAGUILIN RUBBER

Grabbing device capable of automatically counting for shelving three-dimensional stored goods and implementation method

The invention discloses a grabbing device capable of automatically counting for shelving three-dimensional stored goods, and relates to the technical field of three-dimensional storage carrying devices. The grabbing device comprises a hydraulic lifting rod and a hydraulic telescopic arm fixedly installed on the outer wall of one side of the upper end of the hydraulic lifting rod, wherein a grabbing assembly is arranged on the bottom face of the outer end of the hydraulic telescopic arm; a counting assembly is movably installed in an inner cavity of the lower end of the hydraulic lifting rod; and a driving motor is started, the driving motor drives a threaded column to rotate, a transmission block drives a front abutting column to move towards the right side together, and the front abutting block drives a first rotating block to move forwards, so that an upper counting wheel rotates by one tenth of the perimeter anticlockwise, the number marked on the surface of the upper counting wheel is added with one, and automatic counting is carried out. The invention further discloses an implementation method of the grabbing device capable of automatically counting for shelving the three-dimensional stored goods, when the upper counting wheel rotates by a circle, a lower counting wheel is driven by a turning abutting rod to integrally rotate by one tenth of the perimeter clockwise, so that the number marked on the surface of the lower counting wheel is added by one.
Owner:南通鹏亚精密机械科技有限公司

Invisible door lock

The invention discloses an invisible door lock. The lock comprises a lock body, lock opening modules and a buckle base, wherein the lock body and the lock opening modules are fixedly installed on a door leaf; the buckle base is fixedly installed on a doorframe; each lock opening module comprises a retainer ring; part of the retainer ring is hollow; a pressing part is pivoted on the retainer ring; pivots of the pressing part are parallel to the plane of the door leaf; the pressing part can rotate around the pivots, thus partially stretching into the hollow part of the retainer ring; the lock body is provided with a connecting part; and one end of the connecting part stretches into the retainer ring and is matched with the pressing part. The invisible door lock has the following beneficial effects: in the initial state, the pressing parts are parallel to the retainer rings and the door leaf; therefore during installation, the lock opening modules can be flush with the door leaf, without any projecting part, so the door leaf has good invisibility; and meanwhile, the locking effect of the lock is further enhanced through interaction of two groups of magnets of a bolt and the buckle base, and the lock can be well locked even if the magnetic forces of one magnet or a group of magnets are weakened or disappear.
Owner:GUANGDONG MINGMEN LOCKS IND

Tissue culture method for avoiding crown inclination of cunninghamia lanceolata test-tube plantlets

The invention relates to the field of plant tissue culture, provides a tissue culture method for avoiding crown inclination of cunninghamia lanceolata test-tube plantlets, and solves the defect of crown inclination of test-tube plantlets cultured in the prior art. The method comprises the following steps: (1) obtaining explants; (2) performing proliferation culture; (3) performing seedling strengthening culture; (4) performing rooting culture; (5) hardening seedlings: hardening the seedlings under the condition of a 60% shading degree, when root systems change colors, keeping the humidity of agreenhouse to be 70% or more, opening a cover, and hardening the seedlings for 3 days; and (6) transplanting the test-tube plantlets: when transplantation is performed, rinsing the rooting seedlingswith fresh water, draining off water, soaking the treated seedlings into a 0.2% potassium permanganate aqueous solution for 5min, lifting the seedlings, rinsing the seedlings with fresh water for 3 times, putting the rinsed seedlings into seedling raising mixed matrix nutrient bags, performing culture, and when the heights of the seedlings cultured in containers reach 30cm, enabling the seedlingsto leave a nursery for afforestation.
Owner:福建三明林业学校

High temperature short time ageing effect technique for beryllium bronze manufactured volute heilical spring

The invention relates to a high temperature short time aging process for the flat spiral spring made of beryllium bronze. The invention is characterized in that firstly, the flat spiral spring of non-ferrous material of QBe1.9Cr is completely coiled around the mandrel axle, the main end of the spring is bound and fixed with an iron wire, the mandrel axle and the flat spiral spring are arranged in the salt tempering furnace for aging, the aging temperature is 345 plus or minus 2 DEG C, the aging holding time is 7 minutes, and after the aging soaking, the spring is arranged in the water of normal temperature of 5 to 30 DEG C to be cooled for 1 minute. The invention has the advantages that the aging time is short, the aging temperature is high, the deformation of the pagoda shaped spring is little, and the amount of deformation of each circle of the spring is smaller than 0.02 millimeter, the requirement of the enormous quantities production of the pagoda shaped spring can be fully met.
Owner:CHANGAN AUTOMOBILE (GRP) CO LTD

Cart for storing tire second stage building tire blank

The invention provides a tire second stage molding wheel blank storage car. A ring tray is supported by a cradle fixedly arranged on a car body. The height of the cradle is higher than the height of the outward raise of a lower entry. The cradle is a ring cylinder or a plurality of support pillars. A lifting mechanism is arranged under a tray inner hole. A round bracket is fixedly positioned at the top end of a piston of the lifting mechanism; the diameter of the bracket is smaller than the diameter of the central hole of a wheel blank; the circumference of the round bracket is articulated and provided with 3 to 6 upper entry brackets at a regular interval; and at an initial status, the external wings of the upper entry brackets slope upwards and inwards. A second stage molding wheel blank is horizontally positioned on the storage car with the tray holding the side and the crest part of the tire, and the lower entry passes through the tray inner hole and sinks. When the wheel blank isdropped down, and the upper entry brackets are caused to turn outwards by a lower tire circle and a concave camber matching with an upper entry rises upwards. The bracket is lifted by the lifting mechanism and the upper entries are held by the upper entry brackets to avoid the deformation of the wheel blank. When the wheel blank is taken out, the bracket falls, and the upper entry brackets are plucked by the lower tire circle to recover to the initial status. The wheel blank storage car can keep the wheel blank from deformation, thereby being convenient in the storage and delivery of second stage molding wheel blank of a huge tire; besides, the wheel blank storage car is simple in structure and convenient in usage.
Owner:HAOHUA SOUTH CHINAGUILIN RUBBER

Wearable portable soft rehabilitation glove

The invention provides a wearable portable soft rehabilitation glove, and the glove comprises a glove body, a binding belt mechanism and an air blowing mechanism; the binding belt mechanism is fixedlyconnected with the glove body, the glove body comprises a glove inner layer and a glove outer layer, the glove inner layer and the glove outer layer form a hollow closed structure through a connecting assembly, and the air blowing mechanism is used for changing the pressure of the connecting assembly so as to drive the glove body to bend or stretch. Fingers can be massaged, and the problem that atraditional rehabilitation glove is prone to poor control over the pressure of the hand, and consequently secondary injuries are caused by extrusion of the hand is solved.
Owner:TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE

Steel rope lifting gripper for checking elevator speed limiter

ActiveCN102602761BFlexible adjustment of lifting heightRestore initial stateElevatorsEngineeringSteel rope
The invention discloses a steel rope lifting gripper for checking an elevator speed limiter, which comprises a first clamp for lifting a first side steel rope of the elevator speed limiter, a second clamp for fixing the first side steel rope of the elevator speed limiter, and a third clamp for fixing a second side steel rope of the elevator speed limiter, wherein each of the first clamp and the second clamp comprises a clamp head and a clamp handle; a rotating hole is arranged between the clamp head and the clamp handle; a rotating shaft is installed inside the rotating hole; a first pressure spring is installed on the clamp handle; the axial directions of the rotating shafts of the first clamp and the second clamp are regard as the vertical directions; a connection column is installed on the rotating shaft of the second clamp; and the lower end of the rotating shaft of the first clamp is installed at the upper end of the connection column, and is capable of rotating around the upper end of the connection column as a circle center. The gripper of the invention integrates a lifting function and a clamping function of the elevator steel rope, is capable of flexibly regulating and recovering the height of the steel rope according to needs, and is simple, precise, labor-saving, efficient and safe in operation.
Owner:成都市特种设备检验检测研究院(成都市特种设备应急处置中心)

Torque units and devices and applications in the manufacture of garments

The invention provides a torsion unit and a device and an application in the preparation of a vehicle garment. The torque unit comprises a machined elastic material with torque and a connecting structure to form a plurality of continuous torsion rings, and two or more torque units are connected to form a torque device. The structure of the torsion unit and the torsion device has tensile tension and directional folding force, so that the automatic recovery and recovery of the original state of the folding can be easily realized. The main body of the torsion spring structure composed of a plurality of extended torsion units can be used as a support frame of a cover type in life. The support frame is reasonably combined with the conventional sunshade or waterproof material to obtain a vehiclegarment provided with a support frame with a torsion spring structure. The garment has a foldable skeleton; the invention can support the car clothes, the car clothes leave the car paint surface, avoid frequent friction between the cloth surface and the car surface, utilize the air heat insulation characteristic, have better sunscreen effect, and can automatically unfold or fold the car clothes through the deployment and automatic contraction of the support frame, and is convenient to operate, small volume after the folding and carrying, and is helpful for the popularization and application of the car clothes.
Owner:彭竞原

Automobile seat convenient to detach and replace

PendingCN114103739ASolve the problem of inconvenient removal and replacementReduce inconvenienceVehicle seatsCar seatControl engineering
The invention discloses an automobile seat convenient to disassemble and replace, the automobile seat convenient to disassemble and replace comprises a fixed box, a seat is fixedly arranged at the top of an inner cavity of the fixed box, and a positioning block is fixedly connected to the bottom of the seat.The automobile seat convenient to disassemble and replace is provided with a servo motor, so that the output end of the servo motor drives a positive and negative threaded rod to rotate in an inner cavity of a sleeve in a threaded mode; the sleeve drives a guide plate to move in an inner cavity of a guide groove, meanwhile, the sleeve drives a driving plate to move, the driving plate drives a limiting plate to slide on the outer surface of a sliding column to extrude a compression spring, the limiting plate drives a clamping block to move out of an inner cavity of a pin groove, locking of the clamping block to a positioning block is relieved, and then a seat is moved to drive the positioning block to move out of an inner cavity of a fixing box; by means of the structure, the seat has the advantage of being convenient to detach and replace when the seat is detached and replaced, the problem that an original seat is inconvenient to detach and replace when the original seat is detached and replaced is solved, and therefore operation inconvenience of workers is reduced.
Owner:高邮市怡和车辆附件有限公司

Coal leakage prevention top coal caving hydraulic support

PendingCN114352334APrevent popupThe problem of blocking leakageMine roof supportsMining engineeringBack support
The invention discloses a top coal caving hydraulic support capable of preventing coal leakage. The top coal caving hydraulic support comprises a hydraulic support body and a tail beam. The tail beam comprises a back supporting plate and side protecting plates, supporting baffles are fixed to the inner sides of the side protecting plates on the two sides, a telescopic inserting plate is installed in the tail beam, and the side protecting plates and the supporting baffles form a track for the inserting plate to move; rectangular groove bodies are formed in the two sides of the inserting plate, springs are installed at the bottoms of the groove bodies, and pop-up baffles are installed in the groove bodies in a matched mode; the upper portion width of the side, located on the rail, of each baffle is smaller than the lower portion width, an arc-shaped step is formed between the upper portion and the lower portion, and after the baffles pop up, the maximum distance of the ends, below the arc-shaped step, of the baffles on the two sides is not smaller than the width of the tail beam. And the bottom of the side protection plate is in contact fit with the arc-shaped step, so that the baffle is pressed into the groove body when the insertion plate retracts into the tail beam. The problems that loose coal is scattered to the lower portion through gaps between the inserting plates, and the rear scraper is prevented from moving forwards or even floating upwards are effectively solved, the structure is stable and reliable, and damage is not likely to happen.
Owner:中国平煤神马控股集团有限公司 +2
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