473results about How to "Fixed, safe and reliable" patented technology

The invention provides a bilateral double-spring driving unfolding mechanism. The unfolding mechanism comprises moving hinges, fixed hinges, concentric shafts, volute spiral springs, spring blocks, spring outer end covers, spring inner ring fixing sleeves, spring outer ring fixing shafts, spring outer ring fixing sleeves, spring outer ring fixing sleeve pressing covers, locking hooks, locking hook rotating shafts, locking hook locating sleeves, locking hook locating torsional springs, locking hook locating torsional spring pressing rods, limiting screws and a microswitch. The fixed hinges and the moving hinges achieve connection and a relative rotating function through the concentric shafts, four sets of bilateral plane volute spiral springs act on the fixed hinges and the moving hinges at the same time, the locking hook locating torsional pressing rods are matched with the locking hook locating torsional springs to enable locking shafts at the tail ends of the locking hooks to slide into the bottom faces of bosses on sliding rails of the fixed hinges, so that locking locating is finished, and meanwhile the microswitch is triggered to send a successfully arriving signal to a control system. The bilateral double-spring driving unfolding mechanism is relatively simple in achievement form, achieves a driving source redundant backup function, and is light in weight, compact in structure, high in reliability and strong in bearing capacity under the same driving capacity.

A stator core stack formed by laminating a plurality of straight cores having a core back, a tooth, and a linking part for linking the core backs. In the stator core stack, the linking portion is folded and deformed the linking portion so as to join an end surfaces of the straight core, and a core back outer peripheral portion is formed at the back side of the core back, and the diameter of the core back outer peripheral portion is formed same as or shorter than the diameter of the inner peripheral surface of the housing, and is disposed in the housing. A bar-like member is press-fitted in the axial direction between both the end surfaces of the straight core. In other example of motor, an engaging portion extending in the axial direction and projecting in the radial inward direction is formed in the inner peripheral surface of the housing, and the end surfaces of the straight core are engaged or fitted with the engaging portion.

The invention provides an automotive wire clamp. The automotive wire clamp comprises a wire clamp body, wherein two first arc-shaped clamp slots are formed in the wire clamp body, elastic pieces are connected to two ends of openings of the first arc-shaped clamp slots, one ends of the elastic pieces are respectively fixedly connected with two ends of the openings of the first arc-shaped clamp slots, and the other ends of the elastic pieces are mutually crossed to seal the openings of the first arc-shaped clamp slots. When the automotive wire clamp is used, after wiring harnesses are pressed into the first arc-shaped clamp slots downwards, the two elastic pieces rebound to a crossed state to seal the openings of the first arc-shaped clamp slots. According to the structure, the wiring harnesses are easily pressed into the first arc-shaped clamp slots but difficultly taken out, so that the fixation is safe and reliable, and the use is simple and convenient.

The invention discloses a new type of water cup, which includes a joint head connected to the cup body through a line and a cup holder mated with the joint head. The left end surface of the cup body is fixedly equipped with a handle, and the right end surface is provided with a The outlet of the water outlet, the middle point of the bottom end surface of the cup holder is provided with a slot, and the middle point of the top of the slot is provided with an electrical connection column, and the bottom end surface of the cup holder is located at the left and right ends of the slot. A locking groove, located above the slots, a first chute is connected between the two locking grooves, a cavity is arranged in the top of the first chute, and the first chute The midpoint is provided with a guide rod that expands upwards and pushes into the cavity. The overall structure of the present invention is simple, and the operation is safe and convenient.

The invention discloses a novel optical fiber coiling device of a laser device. The optical fiber coiling device includes a coiling motor, a supporting frame, a fixing plate, a base, an adjustable conveying plate structure, a rapid rotation seat structure, a rapid disassembly optical fiber coiling wheel structure, a connecting shaft, a coupling, a buffering rubber roller, a fixing shaft, a connecting sleeving, a baffle ring and a main switch. According to the novel optical fiber coiling device of the laser device, through the arrangement of the buffering rubber roller, the fixing shaft, the connecting sleeving and the baffle ring, the problem that the optical fiber is too hard resulting in the fact that coiling is broken in the coiling process can be prevented, and the effect of cushion protection can be achieved. Through the arrangement of a conveying connection bolt and nut and a fixing adhesive disc, safe fixation is convenient to conduct in the conveying process, and stability andreliability in the conveying process are ensured; and through the arrangement of a conveying fixing steel plate and a damping spring, the effect of cushion protection can be achieved and the problem that violent waggle appeared in the conveying or coiling process affects the work of conveying or coiling is prevented.

The invention relates to an automobile body safety belt fixing mode. Two convex posts are welded onto part of a post B enclosing inner plate; and the upper and lower ends of a safety belt adjusting slideway baffle used for assembling a safety belt height regulator are fixed on the two convex posts respectively. The two convex posts arranged at upper and lower positions are welded with part of the post B enclosing inner plate respectively and then are connected with the safety belt adjusting slideway baffle, thereby fixing the safety belt safely and reliably. The weld between the two convex posts and part of the post B enclosing inner plate is convenient and reliable, thereby reinforcing the strength and rigidity of a safety belt fixing point.

The invention relates to an A60-class fireproof watertight hatch cover which is characterized in that a base comprises an inner enclosing plate, an outer enclosing plate and an upper base plate, wherein the inner enclosing plate and the outer enclosing plate are respectively welded on the upper base plate; a first TC plate is added between the inner enclosing plate and the outer enclosing plate; after first ceramic cotton is filled, a lower sealing plate is welded; the enclosing plates are welded on a cover plate, and a fireproof layer baffle plate and a reinforcing plate are respectively welded on the cover plate; a second TC plate and second ceramic cotton are filled between the cover plate and a cover; a non-drive mechanism fixing seat is welded on the cover plate; an inclined wedge iswelded on the inner enclosing plate; and a spring hinge device is welded on the outer enclosing plate and the cover plate. The invention has the advantage of simple, compact and reasonable structure,can be quickly opened by a central hand wheel drive device and the spring hinge device, is fixed by adopting a bolt with a tongue safely and reliably after being opened, is quickly opened and closed and has the watertight test pressure of 0.25MPa.

The invention relates to a dilatable balloon implant (3), which is configure d with a limited permeability to liquid. The invention also relates to a vertebroplasty device comprising a balloon implant (3) with a limited permeability to liquid, which is connected to the distal end of an introduction sleeve (2), in such a way that the interior of said implant communicates with the introduction sleeve.

The invention relates to the technical field of maintenance tools of a machine driven system, in particular to a specialized maintenance device for a spindle knife locking belleville spring. The specialized maintenance device for the spindle knife locking belleville spring comprises a base, adjusting screw rods and a shaft pressing plate. The base is provided with a pair of adjusting screw rods, the adjusting screw rods are provided with the shaft pressing plate, a nut is arranged at the tail end of each adjusting screw rod, and an antiskid positioning pin is arranged at the center of the base. The shaft pressing plate is a BT50 shaft pressing plate or a BT40 shaft pressing plate. The specialized maintenance device for the spindle knife locking belleville spring is simple in structure, safe and reliable to fix, high in precision, and particularly suitable for mounting and maintaining BT50/40 belleville spring knife tightening devices and the like.

The invention provides a light-emitting diode (LED) lamp bulb. The lamp bulb comprises a bulb holder, a lamp cup and a bulb shell, wherein the lamp cup is provided an inner step and a radiation device; the radiation device is composed of radiating holes; the bulb shell is fixed at one end of the lamp cup, and an insulation connecting piece is arranged between the other end of the lamp cup and thebulb holder; a vent hole is arranged in the center of the insulation connecting piece; and a tightening cap is arranged between the insulation connecting piece and the lamp cup. The LED lamp bulb further comprises an LED lamp board, a drive circuit component and fixing devices, wherein the drive circuit component is arranged between the LED lamp board and the insulation connecting piece; and the fixing devices are fixed between the LED lamp board and the drive circuit component and between the drive circuit component and the insulation connecting piece. The LED lamp bulb has the characteristics of safety, reliability, high stability, nice appearance and good radiation effect, and is suitable for general consumers.

Disclosed is a cover beam external prestressing reinforcing structure. Steel cable steering blocks are fixed to the upper portion of the side face of a cover beam and the lower middle portion of a cover beam midspan. A steel cable steering support is fixedly installed on the bottom face of the cover beam midspan. The two ends of an external prestressing steel cable are connected with tension anchorage devices respectively through the steel cable steering blocks and the steel cable steering support. The tension anchorage devices are fixed into concrete gear blocks for tensioning. The construction method comprises the steps of manufacturing the steel cable steering blocks, manufacturing and installing the steel cable steering support, installing the steel cable steering blocks, manufacturing the concrete gear blocks for tensioning, installing the external prestressing steel cable for tensioning and anchoring, and conducting preservative treatment on a cover beam bottom steel plate and cover beam side steel plates. According to the external prestressing reinforcing structure, two-time loading can be performed on the cover beam midspan just by performing tensioning and anchoring one time on the prestressing steel cable, so that the midspan bending resistance reinforcing effect is improved obviously. The horizontal included angle of the external prestressing steel cable is increased through the steel cable steering support, and the reinforcing effect is effectively improved.

The invention discloses a mailbox device. The mailbox device comprises a base body and an illuminating lamp, wherein the base body is fixedly arranged on the upper left portion of the mailbox body, and the illuminating lamp is arranged in the base body. The mailbox body is divided into a plurality of storage spaces by partition boards, and a drawer box is arranged in each space and can be pulled outward; an inserting groove is formed in the center of the bottom end face of the base body, and an electrical handle is arranged in the center of the top of the inserting groove, and two locking grooves are oppositely formed in the positions, in the left end and the right end of the inserting groove, on the bottom end face of the base body; a first sliding hole is formed in the position, between the two locking grooves, above the insertion groove in a communicated mode, a placing groove is formed in the top of the first sliding hole, and a guide rod which extends upwards and is inserted into the placing groove is arranged in the center of the first sliding hole. The mailbox device is simple in overall structure and safe and convenient to operate.

The invention discloses a fixing device. The fixing device comprises a U-shaped fixing frame body (1), a vibration reduction ball (2), a cradle head anti-shedding assembly (3) and a self-locking belt, and is mainly applied to fixation of an ADC Micro multispectral camera on a DJI phantom 2 vision+ aerial photography aircraft. A rectangular square hole is formed in the bottom of a U-shaped fixing piece, and through the rectangular square hole, a camera lens of the ADC Micro multispectral camera can take a photograph; circular holes are formed in the bottom, and are matched with the anti-shedding assembly to fix the camera; the vibration reduction ball can select different damping values as needed so as to realize vibration reduction protection; grooves are formed in U-shaped positions on two sides, so that the camera is convenient to fix through an erected table on a DJI phantom 2 vision+ aircraft bracket by fixing the belt; the U-shaped fixing frame body is made from stainless steel plates of 1-2 mm, and coated with antirust film layers. The fixing device disclosed by the invention is high in pertinence, safe and reliable, and convenient to use.

The invention discloses a knapsack type dust collector. A knapsack device is formed by fixing a waist belt and shoulder belts on a backing plate through tying belts; the backing plate is an integral formed by fastening an rabbet on the backing plate and a groove on the upper end of a large cylinder; a dust collecting device is formed by the matching of a paper filter bag and an advanced filter fixed on a motor cavity, wherein the paper filter bag is connected with an air inlet pipe and placed into a bag dust filter; and a strap joint is an integral formed by fixing a transparent cover connected with the air inlet pipe and a cover connected with a warped switch. The knapsack type dust collector has a filtering ratio up to 99.90 percent, and is particularly suitable for hospital, laboratories and other places special cleaning requirements. The invention can be conveniently put on the shoulders, is labor-saving and convenient, is more convenient for long-time operation, is particularly suitable for working in narrow spaces on planes, high-speed railway locomotives, deluxe coaches and other transportation vehicles, and reduces labor intensity. Moreover, dust can be observed directly through the transparent cover, which is convenient for real-time processing and avoids secondary pollution, and the strap joint is connected with the dust collecting pipe and a dust collecting head through a connection pipe capable of rotating omnidirectionally, thereby avoiding pipe-winding phenomenon.

The invention discloses a tunnel drilling machine and a hydraulic power head device thereof. The hydraulic power head device is used for pushing a drill rod of the tunnel drilling machine, wherein a cylinder body of a hydraulic oil cylinder of the hydraulic power head device is fixedly connected with a power head main body; the cylinder body, the power head main body and a main shaft form a hydraulic oil cavity; the cylinder body is provided with a first oil liquid channel and a second oil liquid channel; a piston of the hydraulic oil cylinder is arranged inside the hydraulic oil cavity and is provided with a bulge; the bulge, the cylinder body and the power head main body form a first oil cavity and a second oil cavity; the first oil liquid channel is communicated with the first oil cavity; and the second oil liquid channel is communicated with the second oil cavity. When a slip bowl acts on a slip, hydraulic pressure compensation is applied to the hydraulic oil cylinder except that the main shaft acts on the slip bowl, so that the slip clamps or loosens the drill rod through a more flexible response, and the tunnel drilling machine has higher working efficiency. Simultaneously, the hydraulic oil cavity surrounds the main shaft, and the oil supply or the oil leakage of the hydraulic oil cavity is kept synchronous with each other, so that the possibility of unbalance loading of the main shaft is greatly reduced, and the safe and reliable properties of a hydraulic power head are improved.

The invention provides a cable fixing device. The cable fixing device comprises two edge clamping bodies, wherein at least one groove is formed in one side surface of each edge clamping body; the opposite grooves in the two edge clamping bodies form a through hole; a gap is formed between the edge clamping bodies through elastic sleeve pipes penetrated into the through holes respectively; a cable is penetrated into the elastic sleeve pipe in an interference fit way respectively; and bolts penetrate through the edge clamping bodies and are used for clamping the elastic sleeve pipes and the cables into the through holes. According to the cable fixing device provided by the embodiment, wear of an outer insulation cover of the cable can be prevented so as to remove potential safety hazards of electric leakage and fire, and the cable can also be fixed more firmly at the same time, so that the cable fixing device has the advantages of higher safety and reliability in use.

The invention relates to a parallel ankle joint rehabilitation robot. The parallel ankle joint rehabilitation robot comprises a base (1), lower layer connecting rods (2), upper connecting rod s(3), an adjusting pad (4), an adjusting hole (5), motors (6), absolute encoders (7), lasers (8), a movable platform (9) and the like. The parallel ankle joint rehabilitation robot consists of three branches which are connected with the base (1) and the movable platform (9), wherein each branch is structurally characterized in that the case of the motor (6) is fixedly arranged on the base (1), the extension shaft of the motor (6) is fixedly connected with the corresponding lower connecting rod (2), the lower connecting rod (2) and the corresponding upper connecting rod (3) are connected through a rotating pair I (A), the upper connecting rod (3) and the movable platform (9) are connected also through a rotating pair II (B), and the axis of the extension shaft of the motor (6) and the axes of the rotating pair I (A) and the rotating pair II (B) are intersected at a center point; the three center points of the three branches must be intersected at one point; the lasers (9) are installed at the junction of the rotating pairs II (B) of the movable platform (9). The rehabilitation robot has the advantages of compact structure, good interchangeability, high safety and reliability and the like.

The invention relates to a parallel flow heat exchanger, an air conditioner with the same and a control method of the air conditioner. Two sets of flat tubes are pressed in fin clamping grooves of a lower heat exchange unit of the parallel flow heat exchanger respectively to form two sets of independent circulating channels. When the air conditioner is in a defrosting state through reversing of a four-way valve, a first electromagnetic valve is powered on to be opened while a second electromagnetic valve is closed, and one part of high-temperature refrigerant coming out of a compressor passes through the first electromagnetic valve and a left collecting rube to directly enter the first flat tube channel in the lower heat exchange unit, is converged with refrigerant flowing from a second collecting tube and an upper heat exchange unit after a heat exchange process and then returns from the second flat tube channel. The defrosting speed of the lower heat exchange unit is increased, the defrosting time is shortened, and then the low-temperature heating capacity of a whole air conditioner system is improved. The design structure is simple, the effect is remarkable, and implementation is convenient.

The invention discloses a full-automatic grinding device dedicated to mechanical processing, which includes a detection instrument, an infrared positioning device, an emergency stop button, a main machine shell and a vertically movable workbench. A control panel is arranged on the left side of the main machine shell, and the vertical The mobile workbench is installed above the shell of the main engine, and a horizontally movable workbench is arranged above the vertically movable workbench, a hydraulic pusher is arranged on the right side of the horizontally moveable workbench, and a hydraulic pusher is arranged on the right side of the multi-grinding wheel. For the panoramic camera, a vibration damping device is arranged under the housing of the host, and a universal self-locking wheel is arranged under the vibration damping device. The invention has scientific and reasonable structure, safe and convenient use, effectively protects the safety of operators, effectively reduces the scrap rate, improves the quality of processed products, and the panoramic camera is convenient for operators to observe, avoiding the damage of flying debris to operators during direct observation .