96results about How to "Simple and reliable structural design" patented technology

This invention relates to a portable pushing car for checking railway, with such geometric parameter as railway gage, cant, triangle pit, including mechanical structure in I-shaped and three-point framework, electric source, induction testing, controlling and displaying sections. The bearing bogie structure, closing structure, hand button rod, measuring mechanism, controlling system, electric source, displaying box and various sense organs are mounted on main beam crossed on two-railway, three rollers and their mechanism which is both bearing and bogie. On one side of closing mechanism there is position closing wheel, on the other side there is retractable pressure resistant wheel used to make king piece and railway erect, and close to the inside of the railway. This advantages are light weight, stability, slight shaking and corrosion resistance.

The invention relates to a rotary steering well drilling device in the field of well drilling tools. The rotary steering well drilling device is mainly composed of a central spindle, a positioning cylinder, a positioner, a positioning key, a tension spring, a control valve, a control pin, a compression spring, an offset block, a bearing and a sealing device. The central spindle is connected with a drill column and a drill bit. During deflecting, an offset mechanism stretches out, the drill column and a well hole are eccentric, the positioning cylinder and the offset mechanism do not rotate, the drilling pressure and the torque are transmitted to the drill bit through the central spindle, and therefore a deflecting section can conduct rotary and directional drilling. During angle holding, the offset mechanism retracts back, the drill column and the well hole are concentric, the drilling pressure and the torque are transmitted to the drill bit through the central spindle, and therefore an angle holding section conducts rotary drilling. The rotary steering well drilling device is high in deflecting capability, wide in application range and capable of greatly reducing the well drilling cost of a well of a complex structure, and meanwhile the rotary steering well drilling device has the beneficial effects of being simple and reliable in structural design, convenient to machine, large in transmission torque, stable in operation and the like.

The invention discloses a novel intelligent sensor for measuring dust concentration by using a laser backscattering method. A laser device is taken as a light source, the power source is output at constant light intensity through a microprocessor, light is emitted into a measured flue area at a certain slant angle of theta, the light scattered back by smoke dust is focused on a receiver through a focusing lens and then converted into electrical signals, a light filter is additionally provided for preventing the light from being interfered by other parasitic light, and after the signals are subjected to amplification and filtering processing through the microprocessor, the signals are converted into dust concentration. According to the invention, the stability and precision of the sensor are greatly increased, and the maintenance cost is reduced; and the sensor has the advantages of small volume, simple and reliable light path structure design, convenience in installation and maintenance, and the like.

The invention discloses a fresh air unit of a special air conditioning heat pump for capillary radiation and a control method thereof. Cold and heat sources required by the tail end of an air conditioner and treated fresh air are provided simultaneously by employing a set of unit so as to meet the indoor air conditioning demand and the demand on fresh air ventilation volume. According to the technical scheme provided by the invention, the fresh air unit of the special air conditioning heat pump for capillary radiation provides cold and heat sources and fresh air volume simultaneously in the set of unit, so that coordination and unification and intelligent and precise control of an air conditioning cold and heat source system and a fresh air processing system are achieved. The fresh air unit of the special air conditioning heat pump for capillary radiation and the control method thereof disclosed by the invention are efficient and energy-saving, intelligent integration and control are realized, and the unit is stable and reliable to operate.

The invention belongs to the field of mechanical parking devices and discloses a planar moving type modularized intelligent stereo garage. A pre-parking device is arranged under a planar moving type parking platform and provided with a pre-parking module, a conveying direction of the pre-parking module is uniform with that of a lifting conveying mechanism of a lifting device, and the pre-parking module is in linkage with the lifting conveying mechanism. An intelligent vehicle parking and taking appointment making function is realized by the pre-parking device, a vehicle owner can park a vehicle on the pre-parking module to waist for automatic parking and can also make an appointment of vehicle taking, the to-be-taken vehicle is pre-transferred to the pre-parking module from the intelligentstereo garage, and accordingly vehicle parking and taking efficiency is remarkably improved while the intelligent vehicle parking and taking appointment making function is realized. In addition, whenfire accidents of vehicles occur, a traveling mechanism at the bottom of a parking platform module drives the parking platform module to move on rails to quickly transfer vehicles on fire and isolatethe vehicles on fire from nearby vehicles, so that other vehicles can be protected from being jeopardized, and high loss caused by situation escalation is effectively prevented.

The invention relates to a variable diameter wheel, which comprises a rack. The middle part of the rack is provided with a sun wheel, and the circumambient side of the sun wheel is engaged with a plurality of planetary wheels. Each planetary wheel is successively provided with a correspondent screw slide mechanism, a scissors mechanism and a wheel panel. The screw slide mechanism comprises a screwrod, a guiding rod and a slide table sleeved on the screw slide mechanism and the guiding rod. The planetary wheels drive the screw rod to rotate, the rotation of the screw rod leads the slide tableto move along the axis of the screw rod in a reciprocating motion. The slide table moves along the axis of the screw rod to drive the scissors mechanism to open and close, and the wheel panel moves reciprocally along with the opening and closing of the scissors mechanism. The invention also relates to a diameter-changing method for variable diameter wheels. The structural design of the variable diameter wheel is simple and reliable, which realizes the change of the diameter of the wheel, and greatly improves the ability of the vehicle or the mobile robot to cross barriers, and has a broad application prospect.

The invention discloses a cement bag opening and folding device of a cement bag folding machine. The cement bag folding machine comprises a frame. The cement bag opening and folding device is mounted on the frame. The cement bag opening and folding device comprises an upper opening unit, a lower opening unit and a folding unit. The cement bag opening and folding device of the cement bag folding machine is simple in structure, light, quick and capable of overcoming the deficiency of infirm pneumatic suction due to air leakage of unsealed cement bags and meeting the requirements of continuous automatic production.

The invention provides a prismatic tensegrity type quasi-zero stiffness vibration isolator, and belongs to the field of vibration control. The isolator comprises a spiral spring for providing positivestiffness and a prismatic tensegrity structure for providing negative stiffness; the prismatic tensegrity structure comprises a bearing platform, a base, multiple rod components and multiple rope components; the bearing platform is located above the base; the spiral spring is arranged between the bearing platform and the base in the vertical direction and is in the pre-compressed state; the multiple rod components and the multiple rope components are arranged between the bearing platform and the base and are used for connecting the bearing platform and the base; and each rod component is hinged to the bearing platform and the base. The isolator is simple in structure, convenient to mount and dismount, reasonable in design and easy to adjust, the design of the quasi-zero stiffness vibration isolator is realized by the aid of special mechanical properties of the tensegrity structure, and the isolator can be popularized to be applied to low-frequency vibration control.

The invention particularly relates to a rocket composite simulation test device which solves the problem that an existing micro-miniature rocket flight process is affected by environmental forces and sequentially, simulation is difficult. The rocket composite simulation test device comprises an organic glass intake pipeline with a flaring-shaped upper end portion. A rocket carrier is arranged in the organic glass intake pipeline and a high-speed motor is arranged above the rocket carrier. A suspension wire is connected to the output shaft of the high-speed motor and the other end of the suspension wire is connected with the rocket carrier. A laser source which aligns with the tail end of the rocket carrier is arranged beside the high-speed motor. An electromagnet is arranged on the outer side wall of the organic glass intake pipe. A blind hole is formed in the middle of the tail end of the rocket carrier. Dry ice is put into the blind hole and a tail stopper is arranged at one end portion of the blind hole and provided with an exhaust hole. The bottom of the organic glass intake pipeline is connected with a ventilation pipeline in a threaded mode. The other end of the ventilation pipeline is provided with an adjustable air valve which is communicated with the ventilation pipeline. The other end of the adjustable air valve is connected with an air source through a pipeline. Posture variation of the rocket carrier when the rocket carrier is disturbed can be visually observed with the rocket composite simulation test device.

The invention discloses a novel lifting rotation structure. One end of an operating rod is fixedly connected with a handle, and the other end of the operating rod is fixedly connected with a half-moon table and a steel ball locking sleeve; the lower end of the half-moon table is provided with a locking mechanism upper cover; one end of a connecting pipe is connected with the locking mechanism upper cover, and a steel ball locking disc is fixedly sleeved at the other end of the connecting pipe; a spring is arranged in the connecting pipe, a guide mechanism is arranged in the spring, one end of the spring is connected with the locking mechanism upper cover, and the other end of the spring is connected with a pedestal; the steel ball locking disc is arranged in the steel ball locking sleeve, the slope of the steel ball locking disc is provided with steel balls, holes matched with the steel balls are formed on the lower part of the steel ball locking sleeve and positioned on the same horizontal plane, and the upper part of the steel ball locking disc is provided with a groove; a pedestal sleeve is sleeved outside the steel ball locking sleeve positioned on the lower part of the operating rod and connected with the pedestal; and multiple horizontal planes of the pedestal sleeve are provided with holes matched with the steel balls.

The invention discloses a furnace body high-temperature-state rotating sealing structure. Two hard packings and a flexible packing are arranged on a contact face of a furnace body, a pressing ring is buckled on the flexible packing, two sides of the pressing ring are in sliding fit with the hard packings, the hard packings are provided with a sealing cover retaining ring and a sealing cover in a pressed manner respectively, an L-shaped supporting plate is fixedly connected on the sealing cover, an upper guide rod is fixedly connected at the upper end of the supporting plate and slidably matched with a lower guide rod, the lower end of the lower guide rail penetrates the sealing cover, the lower end of the lower guide rod is arranged on the pressing ring in a pressed manner, an adjusting nut is screwed on the upper guide rod, the lower guide rod is provided with a step, and a spring is mounted between the adjusting nut and the step in a pressed manner. By adopting a flexible sealing structure, the furnace body high-temperature-state rotating sealing structure is adjustable in sealability and simple and reliable in structural design, and using performance of equipment is greatly improved.

A mechatronic transmission for transmitting a torque from the drive shaft that can be supported axially on a shaft to an output shaft, the rotational speeds of which can have an arbitrary and variable ratio (stepless transmission). The transmission includes a coupling gear and a torsion spring, with the coupling gear rotatably mounted on the same shaft and connected to the output shaft by the torsion spring, and having a first coupling for producing and cancelling a rotationally fixed, planar, force-fitting first coupling between the drive shaft and the coupling gear. The transmission comprises a supporting device which is rotatable having a fixed transmission ratio of 1:X relative to the output shaft, where X can be any real number between approximately −10 and 1, and a second coupling for producing and cancelling a rotationally fixed, force-fitting second coupling between the supporting device and the coupling gear.

The invention discloses a high-temperature furnace sealing structure which comprises a supporting face. The supporting face is provided with graphite packing. A supporting flange is attached to the outer end face of the graphite packing. A supporting plate is fixedly installed on the supporting flange and is in sliding fit with an upper guide rod. A pressing ring is arranged on the graphite packing. A lower guide rod is fixedly arranged on the pressing ring. The upper guide rod is provided with a guide hole matched with the lower guide rod. The outer side of the upper guide rod is provided with a step. A spring is arranged between the lower end of the step and the pressing ring. By the adoption of the flexible sealing structure, the pressing ring bears the vertical and transverse pressure, the sealing property can be adjusted, the structural design is simple and reliable, and the use performance of equipment is greatly improved.

The invention relates to a lifting and swiveling structure, which comprises a pulling part (6), steel balls (7), a steel ball-locking disc (8), a pedestal sleeve (9) and a steel ball-locking sleeve (10); the pulling part (6) is connected with the steel ball-locking disc (8), and the pedestal sleeve (9) is sleeved on the steel ball-locking sleeve (10); holes (91) matched with the steel balls (7) are arranged on a plurality of levels of the pedestal sleeve (9); the steel ball-locking disc (8) is arranged in the steel ball-locking sleeve (10), the steel balls (7) are arranged on a slope (81) of the steel ball-locking disc (8), the lower part of the steel ball-locking sleeve (10) is provided with holes (101) matched with the steel balls (7), the holes (101) are positioned on the same level, and the upper part of the steel ball-locking disc (8) is provided with a groove (82).

The invention provides a convenient-mounting-and-adjustment music drum. The convenient-mounting-and-adjustment music drum comprises a drum body, a drum leather arranged at two sides of the drum body, and a drum ring which is sleeved on the drum body and is used for compacting the drum leather, wherein the extension of the drum ring is provided with multiple connection lugs, a drum ring connection rod in matching with the connection lugs of the drum ring is further comprised, the connection lugs are arc-shaped projection ribs, top ends of the arc-shaped projection ribs are provided with a cucurbit-shaped connection hole respectively, the drum ring connection rod is formed by a cylindrical stainless steel pipe and two flexible supporting rods penetrating through the stainless steel pipe, one end of the drum ring connection rod is open, the other end of the drum ring connection rod is welded with a connection buckle, and the drum ring is fixedly connected with the drum body through connecting the drum ring connection rod with the drum ring connection lugs. Compared with the prior art, the music drum is advantaged in that convenient mounting and reliable connection are realized, the structure is simple and reasonable, strong practicality, convenient adjustment and convenient dismounting are realized, and a problem of fixing inconvenience existing in a drum ring in the prior art is effectively saved.

The invention discloses an intelligent integrated self-floating acoustic release mechanism. The mechanism comprises a floating body, a rope bin and an acoustic releaser, the floating body is located above the rope bin, and the acoustic releaser penetrates through the floating body and the rope bin and is fixed to the floating body; the bottom of the rope bin is fixed to underwater equipment, a rope is placed in the rope bin, one end of the rope is fixed to the bottom of the floating body, and the other end penetrates through a through hole in the bottom of the rope bin and is fixedly connected with the underwater equipment; and the acoustic releaser comprises an acoustic transducer, a control circuit and a releasing module, the acoustic transducer is located at the top of the floating body, and the releasing module is located at the bottom of the rope bin and connected with underwater equipment. According to the acoustic release mechanism disclosed by the invention, the safety and reliability of release can be improved, smooth recovery of the underwater equipment is ensured, and the influence of vibration caused by water flow impact on acoustic equipment is reduced.

A spiral extrusion device mainly comprises a motor, a reduction box, a machine frame body, an extrusion threaded rod and an extrusion cavity with a plurality of extrusion grooves, wherein the outer circumferential surface of each spiral strip of the extrusion threaded rod is processed into a polygonal structure; and the inner circumferential surface of each extrusion cavity is processed into a circumferential surface structure matched with the extrusion threaded rod. The spiral extrusion device cleverly adopts a structure of combining the extrusion threaded rod with the polygonal structure and the extrusion cavity with the cylindrical structure, the extrusion function of the extrusion threaded rod and the extrusion cavity is realized through the coordination of the polygonal extrusion threaded rod and the cylindrical cavity, and the pressure of the extrusion cavity is alternately changed according to certain proportion to generate periodical impact force when the extrusion threaded rod rotates in the cavity at constant speed, so that a better extrusion and propulsion effect is achieved. Particularly, a polygonal structure does not need to be processed in the extrusion cavity, so the spiral extrusion device is simple in structural design and convenient to process, reduces the cost, obviously improves the production efficiency and the mounting efficiency and fulfills the aims of the invention.

The invention relates to a wall-adhered jet seal pressure stabilizing device in a galvanized strip steel alloying process and an application method thereof. The device mainly consists of an air box, anozzle, a movable side plate, a flow stop plate, a support column, an upper slide way and a lower slide way; when the movable side plate is located in a closed state, the support column fixedly connected to the movable side plate horizontally supports the flow stop plate; at this time, the distance W from the end part of the flow stop plate to galvanized strip steel is 30-60 mm, so that the winding and sucking effect on the lower side of free jet is reduced; when the movable side plate is opened by moving to two ends of the upper slide way and the lower slide way, the flow stop plate is rolled over under the effect of gravity to locate in a vertical state; and at this time, the distance from the plane of the flow stop plate to the galvanized strip steel is equal to the distance from the nozzle to the galvanized strip steel. The device can effectively stop hot air currents of an insulation section of the galvanized strip steel from upwards ascending, and meets the insulation requirements of the insulation section of the galvanized strip steel on the basis of not influencing the surface quality of hot galvanized strip steel.

The invention discloses a multi-rotor unmanned aerial vehicle which comprises a vehicle body, a plurality of lifting rotors and a forward rotor, and the lifting rotors are configured to generate a lifting driving force for overcoming gravity in a lifting or level flight process of the multi-rotor unmanned aerial vehicle; the forward rotor is configured to generate a horizontal driving force for pushing or pulling the multi-rotor unmanned aerial vehicle to advance; the plurality of lifting rotors are respectively connected with the vehicle body and are distributed on the peripheral side of thevehicle body; the forward rotor is connected with the vehicle body and arranged at the head part or the tail part of the vehicle body; the multi-rotor unmanned aerial vehicle is provided with flappingconnecting mechanisms used for enabling each lifting rotor to be connected with the vehicle body in a flapping mode. The multi-rotor unmanned aerial vehicle can fly under the condition that the rotating plane/propeller disc plane of the lifting rotor is a negative rake angle by means of cooperation of the lifting rotors, the forward rotor and the flapping connecting mechanisms; power consumptionis reduced, and meanwhile, the maximum forward flight speed of the multi-rotor unmanned aerial vehicle is increased.

The invention relates to a fabricated wallboard. The fabricated wallboard comprises a framework system, wherein the framework system comprises a first keel, a second keel and a third keel which are perpendicularly connected with one another, the first keel and the third keel are linearly arranged in the horizontal direction parallel to the ground, the second keel is linearly arranged in the direction perpendicular to the ground, the first keel and the second keel form single frame structures, the third keel is arranged between the two single frame structures formed by the first keel and the second keel, and the framework system of a double frame is formed. The first keel, the second keel and the third keel are of a square tube structure. According to the fabricated wallboard, three main structural members of the framework system, a pipeline system and a decorating plate are arranged, a specifically-made first connecting piece, a second connecting piece and a third connecting piece areused for perfectly combining the framework system, the pipeline system and the decorating plate, a complete wallboard structure can be rapidly fabricated, workpieces are completely made in a factory,the quality of products is improved through an industrialized method, and the quality and performance of the wallboard are comprehensively ensured.