93results about How to "Realize soft connection" patented technology

The invention relates to fire simulation experiment equipment for caverns in hydraulic and hydro-power engineering. The equipment comprises a cavern simulation system, a fire source system, a ventilation and smoke discharge system, a detecting and warning system and a measurement, collection and data analysis system, wherein the cavern simulation system is used for simulating a three-dimensional restricted space of fire generation; the fire source system is used for simulating different fire scenes and can be arranged at any position in the constituent parts of the cavern simulation system; the ventilation and smoke discharge system is used for simulating ventilation and smoke discharge in the cavern; and the detecting and warning system is used for detecting, identifying and warning on the fire inside the cavern simulation system; and the measurement, collection and data analysis system is used for measuring, collecting and processing data, comparing and analyzing experimental data and forecasting and estimating an accident. The equipment and the method of the invention can be used for carrying out experimental study on generation and development mechanism, ventilation, smoke discharge, control and prevention of the cavern fire in the hydraulic and hydro-power engineering, and providing reasonable and correct scientific proofs for engineering design and operation of underground caverns construction and fire safety of construction.

The invention discloses a connecting piece for an auxiliary frame and an installation method of the connecting piece for the auxiliary frame. An inner shaft is arranged in a shell, a fixing pin and a positioning pin are arranged in the direction perpendicular to the principle axis of the inner shaft, the positioning pin is arranged at one end of the inner shaft, and the fixing pin is arranged in the middle of the inner shaft. A limiting device is arranged in the shell and is located at the end fixed to the positioning pin through the inner shaft. A cavity is formed in the portion, opposite to the shell, of the surface of the inner shaft, and a spring is arranged in the cavity. According to the connecting piece for the auxiliary frame and the installation method of the connecting piece for the auxiliary frame, the connecting piece serving as a universal connecting piece can be applied to aluminum alloy doors/windows or plastic steel doors/windows or aluminum wood doors/windows or glass fiber reinforced plastic doors/windows, and standard installation is achieved; meanwhile, the connecting piece is arranged between an outer frame and the auxiliary frame, the displacement and deformation performance is effectively improved, connection of the auxiliary frame and the outer frame is not affected, the problem that doors/windows deform due to deformation of a building is solved, and the service life is greatly prolonged; meanwhile, the connecting piece is convenient to dismantle, and installation efficiency is improved.

The invention discloses a concrete filled wall and cast-in-place structure synchronous construction structure and method. The synchronous construction structure comprises structure beams surrounding the upper and lower portion of a filled wall, and shear walls on the two sides. Rebars are distributed in the filled wall horizontally and vertically. Plastic cushion plates are arranged between the vertical two sides of the filled wall and the shear walls, as well as between the lower side of the filled wall and the structure beams on the lower side correspondingly so as to form separation seams.No separation seam is formed between the upper end and the filled wall and the structure beams on the upper side, and the upper end and the filled wall and the structure beams on the upper side are connected into a whole after concrete pouring. The filled wall and an original structure are separated through structure separation seam materials so as to achieve flexible connection, and structural rigidity is restored. Anchor bars of which the tops are connected with a concrete structure and the separation seam materials serve as damping devices, an anti-seismic effect is achieved, the anti-seismic mode is similar to that of a swing wall system, and certain advantages are more achieved in the aspect of anti-seismic ability compared with a masonry filled wall.

The invention relates to the technical field of vehicle control, and discloses a vehicle power system output power control method and system. The method comprises the steps that a basic power demand value is calculated, wherein the basic power demand value is a power value of a vehicle in the constant speed running process, and the basic power demand value is obtained through calculation accordingto the recorded historical actual power output value; an acceleration power demand value is calculated, wherein the acceleration power demand value is a power value needed by the vehicle in acceleration running; a theoretical output power set value is calculated according to the basic power demand value and the acceleration power demand value; the output value of the vehicle power system is adjusted according to the theoretical output power set value, the historical vehicle running state serves as feedback input of vehicle power system output closed-loop control, the power output and the actual power demand tend to be the same, the expected running state of the vehicle is achieved, and energy sources are saved.

The invention discloses a multifunctional road sweeper, comprising a vehicle frame, a cab arranged at the front end of the vehicle frame, a garbage collection assembly arranged at the rear end of thevehicle frame, a sweep brush anti-collision device arranged at the front end of the vehicle frame and the middle part of the vehicle frame, a power assembly and a heat-dissipating air supply system arranged on the vehicle frame between the cab and the garbage collection assembly, and an oil tank. The sweep brush anti-collision device comprises a bracket, an oil cylinder, a sweeping brush frame, anoil cylinder block articulate with one end of that bracket, and an oil cylinder rod articulated with one end of the sweeping brush frame. The other end of the sweeping brush frame is connected with the other end of the bracket. A sweep brush is arranged on that sweep brush frame, and the sweeping brush comprises a cross beam and a swing arm hinged on the cross beam. An outer tension spring and aninner tension spring of the brush anti-collision device are arranged to control the movement range of the swing arm, and the positioning slot is clamped on the pin shaft to complete the positioning,thereby realizing the soft connection of the swing arm. When the pin shaft is impacted, the pin shaft is separated from the positioning groove, thus avoiding the damages of the spring, the swing arm,the sweeper plate and other structures on the swing arm, and achieving good anti-collision effect.

The invention belongs to the technical field of urban flood control and waterlogging prevention, and relates to a full-automatic aluminum alloy flood control wall body. An upper panel of a wall body panel comprises spliced panel profiles, connecting profiles for connecting the adjacent panel profiles, and a bottom profile; a lower panel comprises a plurality of hollow floating body profiles weldedto the lower surfaces of the panel profiles, plugs blocking the two ends of the floating body profiles, and blocking profiles welded to the ends of the panel profiles; the n-shaped connecting profiles are inserted and connected into first insertion grooves and second insertion grooves in the two sides of the upper end of the adjacent panel profiles; a first L-shaped connecting plate is arranged on one side of the lower end of each panel profile, and a second U-shaped connecting plate cooperatively mounted with the first connecting plate is arranged on the other side of the lower end of each panel profile; and the first connecting plates and the second connecting plates of the adjacent panel profiles are fixed through welding bolts. The full-automatic aluminum alloy flood control wall bodyhas high specific strength, is integrally extruded and molded, and is convenient and reliable to connect, good in sealing performance, easy to maintain and environmentally friendly, and the purposesof improving the product performance and prolonging the service life are achieved.

The invention discloses a loading unmanned aerial vehicle for express transportation and a using method thereof, and relates to the technical field of express unmanned aerial vehicles. The problem offlexible connection between a package and an unmanned aerial vehicle is solved. The express delivery unmanned aerial vehicle comprises an unmanned aerial vehicle assembly, ropes are fixedly connectedto the inner wall of the bottom of the unmanned aerial vehicle assembly, the outer walls of the bottom ends of the ropes are divided into two strands through a disperser, and wrapping assemblies are fixedly connected to the outer walls of the bottom ends of the two strands of ropes; the using method of the express delivery unmanned aerial vehicle comprises the following steps of parcel placement,fixed assembly, adjustable take-off, drag reduction flight, landing judgment, separation landing and parcel taking-out. By arranging the rope, flexible connection between the unmanned aerial vehicle assembly and the parcel assembly can be achieved, on one hand, the situation that when a traditional unmanned aerial vehicle carries an express parcel to land, the express parcel falls to the ground rigidly, and returned impact force affects an unmanned aerial vehicle flight control system can be avoided; and secondly, the overall size in the air in the transportation process can be reduced, and collision accidents are reduced.

The invention provides a spring cushion and shock absorber support mounting structure assembly and an automobile, and relates to the technical field of automobile structures. The spring cushion and shock absorber support mounting structure assembly comprises a shock absorber support, a first annular cushion and a second cushion, wherein the shock absorber support comprises a support body and an edge portion connected to the support body; the support body and the edge portion have the same shaft axis; the diameter of the edge portion is greater than that of the support body; the first annular cushion is arranged on the support body in a sleeving manner and is connected with the edge portion in an attached manner; and the second cushion is arranged on the support body in a sleeving manner, and is connected with the first cushion in an attached manner. According to the scheme, the first cushion is flexibly connected with the second cushion, and thus, cushion movement abrasion caused by lateral force of a spring is solved effectively.

The invention relates to the field of drainage, in particular to a rainwater management system capable of quickly draining rainwater. The rainwater management system comprises a drainage plate, a drainage network and a permeable layer, wherein the permeable layer covers the drainage network, and the drainage network at least comprises a unit area, a plurality of siphon variable-flow devices which are distributed on the periphery of the unit area and are connected through drainage grooves and are used for discharging water out of the unit area, a plurality of variable-flow drainage devices which are distributed on nodes of the drainage network in the unit area and are connected with one or more siphon variable-flow devices through drainage grooves so as to directionally guide water in different positions in the unit area to the siphon variable-flow devices and drainage plates which are distributed among the drainage grooves and are used for receiving water permeated from the permeable layer in the unit area and guiding the water into the drainage grooves. The relation among the drainage plates, the drainage grooves, the variable-flow drainage devices and the siphon variable-flow devices are reasonably arranged, so that the drainage efficiency is improved step by step, and an efficient drainage system is formed.

The invention relates to intelligent equipment for surface treatment of special-shaped materials. The intelligent equipment comprises a cylinder, a cover body, a cylinder bracket and a cover body bracket; the cylinder and the cover body, inclined to the ground, are arranged on the brackets; a roller is arranged in the cylinder, and can rotate in the cylinder; the special-shaped materials are put in the roller; the cover body includes a cover body upper part and a cover body lower part; the cover body lower part is used for tightly connecting with the cylinder; the cover body upper part is umbrella-shaped; the cover body is provided with an intake port, a first exhaust port and a treated material inlet; and the cover body can be separated from the cylinder through the cover body bracket. A heating air supply port, a spraying port and an exhaust port are all formed in the top of the roller cover body, so that the intelligent treatment efficiency can be greatly improved; and the roller is designed more simply, so that the special-shaped materials not treated are full-automatically put in the roller and shifted out from the roller.

The invention discloses an eddy speed changer which comprises a first rotating shaft, a second rotating shaft, a rotating outer frame, an inner rotor assembly with a central pivot turntable, a driving mechanism, two conducting rings and two magnetic rotors. The driving mechanism comprises an outer sleeve and an inner sleeve which are arranged on the second rotating shaft in a sleeved mode, a cam is arranged on the inner side of the outer sleeve, a groove is formed in the peripheral face of the inner sleeve, the inner sleeve is sleeved with the outer sleeve, the cam extends into the groove, the cam slides in the groove to drive the outer sleeve to move in the axial direction of the second rotating shaft, therefore, a fourth disk position is driven to make axial movement, finally, a third disk position and the fourth disk position on the outer side of the inner rotor assembly are made to move relative to a first disk position and the third disk position to change the size of a gap, and the output rotating speed is controlled. The conducting rings and the magnetic rotors are arrayed in different disk positions, so that the eddy speed changer can further meet different filed installation requirements.

The invention discloses a soundproof fixing device. The soundproof fixing device is characterized by comprising a fixing device frame; a connecting piece is connected to one end of the fixing device frame, a vibration-reduction soundproof mat is connected to the other end of the fixing device frame, and a connecting block is embedded into the vibration-reduction soundproof mat; the fixing device frame is made of rigid materials, and the vibration-reduction soundproof mat is made of soft materials. According to the soundproof fixing device, the mode that the fixing device frame is matched with the vibration-reduction soundproof mat is adopted, the fixing device frame is a rigid frame, and the vibration-reduction soundproof mat is a soft mat. One end of the fixing device frame is connected with a wall and the like through the connecting piece, the other end of the fixing device frame is connected with decoration materials through the vibration-reduction soundproof mat, and soft connection between a fixing body and a fixed piece is achieved. In addition, the soundproof fixing device is low in inherent frequency and ideal in vibration isolation effect, the good isolation effect on transmission of sounds in solid media can be achieved, and the aims of reducing vibration, isolating the sounds and blocking acoustic bridges are achieved.

The invention relates to a mixed loading, transferring and stacking protection device for multiple leaf springs, and belongs to the field of leaf spring transportation equipment. The mixed loading, transferring and stacking protection device for the multiple leaf springs is characterized in that a support frame, a grasping arm, a fixing rope, a fixed bottom plate and an inserting plate are included, the support frame is square, and support rods are arranged on the four vertexes of the square; one end of each support rod is provided with a traveling wheel, and the other end of each support rodis sleeved with an adjustment tube; the adjustment tubes are connected to the support frame; the support frame is sleeved with the grasping arm; the fixing rope is arranged on the grasping arm; the fixed bottom plate is arranged below the support frame, and an anti-collision device is arranged on the fixed bottom plate; the outer edge of the fixed bottom plate is provided with a slot; an insertingblock is arranged on the inserting plate; and the inserting block is inserted into the slot. In the product stacking and transporting process, soft connection of the product surfaces is achieved, products are fixed insides, and collision damage caused by product inclining is prevented.

The invention relates to a driving system of an electric vehicle, in particular to an electromagnetic variable-torque driving system of an electric vehicle. The electromagnetic variable-torque driving system comprises an electromagnetic variable-torque driving device, a power cell, an electronic controller, a three-phase bridge type full control inverter circuit and a three-phase rectification circuit, wherein the electromagnetic variable-torque driving device comprises a three-phase separate excitation type synchronous motor and an electromagnetic variable-torque motor, and a rotor of the three-phase separate excitation type synchronous motor is connected with an inner rotor of the electromagnetic variable-torque motor; the power cell is connected with an input end of the three-phase bridge type full control inverter circuit, and an output end of the three-phase bridge type full control inverter circuit is connected with an armature winding of the three-phase separate excitation type synchronous motor; a magnetic pole winding of the inner rotor of the electromagnetic variable-torque motor is connected with an excitation winding of the three-phase separate excitation type synchronous motor through the three-phase rectification circuit, and an outer rotor of the electromagnetic variable-torque motor is connected with a hub. According to the electromagnetic variable-torque driving system disclosed by the invention, a completely new concept of electromagnetic variable-torque drive is provided, the electromagnetic variable-torque drive is realized through a specific structure, and an electric wheel of the electromagnetic variable-toque drive can have a great market application prospect.

The invention relates to an adjustable mudguard for a commercial vehicle. The adjustable mudguard comprises a connecting rod, a mudguard, a locking plate, a vibration attenuation block and a pressure plate. The locking plate slides up and down along an inner cavity of the mounting card slot fixedly formed along the mudguard; the top surface where the card slot is formed is in contact with the bottom surface of the vibration attenuation block; the locking plate, the vibration attenuation block and the pressure plate are successively connected as a whole; the vibration attenuation block and the pressure plate jointly clamp the other end of the connecting rod; during an application, the height of the mudguard is adjusted by means of relative slippage of the locking plate and the mounting card slot; and soft connection between the connecting rod and the mudguard is achieved as the locking plate, the vibration attenuation block and the pressure plate are relatively independent, so that the buffer effect is improved. The design not only is relatively strong in adjustability and relatively good vibration attenuation effect, but also is relatively low in mounting and adjusting difficulty and easy to operate.

The invention relates to a bogie assembly of a railway vehicle and the railway vehicle, and the bogie assembly comprises a door frame type steering framework (1) having the lower end connected with anaxle (21) of a railway vehicle, a swing bolster (3) arranged above the door frame type steering framework (1) and having the two ends, in the Y direction, hinged to a vehicle body of the railway vehicle respectively, a secondary suspension device comprising a shock absorber and enabling the upper end of the door frame type steering framework (1) to be connected with the swing bolster (3) throughthe shock absorber, and a torsion aligning device connected with the door frame type steering framework (1) and the swing bolster (3); and the torsion aligning device is arranged to deform when the swing bolster (3) rotates around the Z-direction central axis so as to provide elastic restoring force opposite to the rotating direction. By means of the technical scheme, the bogie assembly can effectively guarantee torsion return of the vehicle body, and the running stability and riding comfort of the rail vehicle are improved.

The invention discloses a buffer connection device for a vehicle and application of the buffer connection device. The device comprises a connection rod, wherein one end of the connection rod is arranged in a vehicle roof in a sleeving manner; a guiding frame body connected with a vehicle end plate to form an integrated structure is arranged on the connection rod in a sleeving manner; the other end of the connection rod is connected with a buffer stop; when the buffer stop is stressed, the connection rod is pushed and slides relative to the guiding frame body; an elastic piece is sleeved at a position, which is located between the vehicle roof and the guiding frame body, outside the connection rod. According to the buffer connection device for the vehicle, the connection rod is connected with the buffer stop, so that soft connection is realized, and protection of a vehicle structure is facilitated; when arranged between the vehicle end plate and the vehicle roof, the connection device disclosed by the invention is simple in structure; the connection rod can slide between the vehicle end plate and the vehicle roof, so that energy can be buffered, and reliable connection can be realized.

The invention discloses a mechanical arm for replacing tires. The problems that in the prior art, a traditional mechanical arm is insufficient in market acceptability, and the technology needs to be improved are solved. The upper surface of a base is connected with the lower surface of a detachable workbench through a telescopic bracket; the upper surface of the detachable workbench is connected with a bolt dismounting and mounting sliding rack through a guide rail. A bolt dismounting and mounting power device, a bolt dismounting and mounting device and a dismounting and mounting alarm deviceare sequentially arranged on the bolt dismounting and mounting sliding rack, and a tire clamping and placing device is arranged on the side, close to the bolt dismounting and mounting device, of the upper surface of the detachable workbench. The bolt dismounting and mounting power device is connected with the bolt dismounting and mounting device, the bolt dismounting and mounting device comprisesa bolt dismounting and mounting protection device, and the bolt dismounting and mounting protection device is connected with the dismounting and mounting alarm device. A tire clamping and placing power device is arranged on one side of the tire clamping and placing device, and a tire clamping and placing protection device is arranged in the tire clamping and placing device. By means of the technology, nuts on wheels can be screwed down according to the diagonal time sequence, and purchase and maintenance cost is low.

The invention discloses a 96-slot stator assembly and a motor with the same, the stator assembly comprises a stator core, the stator core is provided with 96 stator slots and a stator winding composedof a plurality of conductor segments, a plurality of layers of conductor segments are radially distributed in the stator slots, and each conductor segment comprises a main body section located in thecorresponding stator slot. Two ends of the each body section are respectively provided with a first end and a second end which extend to the outside of the stator core, the first end forms a windinghairpin end, and the second end forms a winding torsion head welding end and a winding outgoing line welding end; a star point leading-out wire welding end and a three-phase leading-out wire welding end are formed on the higher portion of the conductor section where the winding leading-out wire welding end is located, a center line is arranged on the star point leading-out wire welding end and located on the outermost layer, a three-phase copper bar is arranged on the three-phase leading-out wire welding end, and the three-phase copper bar is located on the secondary outer layer. The stator assembly has the characteristics of simple manufacturing process, small occupied space, reduced cost and more convenience in processing and assembling.

The invention discloses an assembly type flexible damping spiral anchor foundation and a power transmission tower and belongs to the technical field of power transmission line engineering. The assembly type flexible damping spiral anchor foundation comprises a damping bearing platform and a plurality of spiral anchor sets, wherein each spiral anchor set comprises a plurality of anchor rod sections, and the adjacent anchor rod sections are connected through spiral anchor discs; the flexible connecting section is installed between the top of the first anchor rod section and the damping bearing platform to form flexible connection, and the horizontal force borne by the anchor rod is reduced. The damping bearing platform and the spiral anchor set are connected together through the flexible connecting section, and the horizontal force borne by the anchor rod can be reduced; and the damping bearing platform is matched with the flexible connecting section to achieve the effects of damping and energy consumption.

The invention relates to the technical field of hydraulic machines, and discloses a load-deflection resistance side pressing cylinder device. The device comprises a fixed frame, an oil cylinder body,a plunger rod and a guide copper sleeve. An opening is formed in the lower end of the oil cylinder body, the upper end of the plunger rod penetrates through the opening and is slidingly sleeved with the inner wall of the oil cylinder body, a cylinder groove is formed in the lower end of the plunger rod, a load-deflection resistance mechanism is arranged in the cylinder groove, the plunger rod is connected with a lower spherical gasket through the load-deflection resistance mechanism, an annular clamping groove is formed in the inner edge of the opening in the lower end of the oil cylinder body, the oil cylinder body is clamped with the outer wall of the guide copper sleeve through the annular clamping groove, a lubricating oil groove of a spiral structure is formed in the guide copper sleeve, and a lubricating channel is jointly formed by the lubricating oil groove and the rod wall of the plunger rod. Due to the load-deflection resistance side pressing cylinder device, the plunger rodof the oil cylinder can be effectively protected, the napping phenomenon of the plunger rod of the side pressing oil cylinder or/and accidents like breaking of a connecting screw of a sliding block are not prone to happening, the maintaining cost can be reduced, and the safety hidden danger during use of the edge pressing oil cylinder can be reduced.