18results about How to "High force transmission efficiency" patented technology

The invention relates to the technical field of cranes, and discloses a telescopic boom and a crane with the telescopic boom. The supporting plate is arranged on the outer circumferential surface of the basic arm and extends in the circumferential direction of the basic arm; the two variable-amplitude box sets are symmetrically arranged on the two sides of the basic arm, each variable-amplitude box set comprises a first variable-amplitude box and a second variable-amplitude box, the first variable-amplitude boxes and the second variable-amplitude boxes are arranged on the peripheral face of the basic arm, the first variable-amplitude boxes extend in the axial direction of the basic arm, and the second variable-amplitude boxes are obliquely arranged relative to the axial direction of the basic arm; one end of the first variable-amplitude box abuts against the supporting plate, the other end of the first variable-amplitude box is used for being connected with the variable-amplitude cylinder, one end of the second variable-amplitude box abuts against the supporting plate, and the other end of the second variable-amplitude box abuts against the side face of the first variable-amplitude box. According to the embodiment of the invention, the stress distribution on the telescopic arm is uniform, and local stress concentration is effectively avoided.

This invention discloses a dual-purpose charging gun and charging system. The dual-purpose charging gun includes a gun body, a connector, a first control component, and a second control component. When the user chooses manual charging, the plugging and unplugging action can be easily completed by operating the operating end of the first control component, which conforms to the user's operating habits. When automatic charging is required, the robotic arm connects to the gun body through the connecting area, and the second control component drives the connector to complete the hooking or unhooking action under the command of the control system, realizing fully automatic plugging and unplugging. The two working modes can be freely switched. The user can interrupt the automatic process and switch to manual operation at any time, or switch to automatic mode when manual operation fails. This solves the problem of incompatibility between manual and automatic charging functions. It also ensures charging safety and reliability through a standard-compliant hook structure, retaining the flexibility and user habits of manual operation, while possessing the convenience and accuracy of automatic operation.

This utility model provides a car roof handle and vehicle based on a four-bar linkage, belonging to the field of automotive parts technology. It includes: a base with a proximal hinge and a distal hinge, located at different positions along the depth of the base; one end of a first rocker arm hinged to the proximal hinge of the base, and the other end of the first rocker arm hinged to a connecting arm; one end of a second rocker arm hinged to the distal hinge of the base, and the other end of the second rocker arm hinged to a connecting arm; the connecting arm is hinged to the handle body. The first rocker arm, the second rocker arm, the connecting arm, and the base constitute a four-bar linkage. The advantages of this utility model are: the four-bar linkage allows for extension and retraction between the handle body and the base, enabling the handle body to be retracted and close to the base when not in use, and extended when in use, saving interior space and adapting well to bumpy driving environments.

This invention discloses a split-type desuperheating and pressure reducing device, specifically relating to the technical field of desuperheating and pressure reducing equipment. It includes: a pipeline body, within which a pressure reducer and a desuperheater are respectively installed, and the pressure reducer and desuperheater are used to perform desuperheating and pressure reducing operations within the pipeline body; a desuperheating water nozzle is installed inside the desuperheater, and the desuperheating water nozzle is used to mix desuperheating water with steam for desuperheating; and a desuperheating component, used to divert steam outside the pressure reducer and keep the steam dispersed as it passes through the pressure reducer. This invention, through the setting of the desuperheating component, can divert steam entering near the pressure reducer one by one, which is beneficial for keeping the steam dispersed when entering the pressure reducer and for ensuring thorough mixing of the steam with the desuperheating water sprayed from the desuperheating water nozzle, thereby improving the atomization effect of the desuperheating water. This contributes to a more uniform and efficient desuperheating process, thus improving the device's desuperheating effect on steam.

The invention discloses an automatic quantitative packaging machine and a using method thereof, and particularly relates to the technical field of material packaging, the automatic quantitative packaging machine comprises a packaging device body and a supporting table, a quantitative feeding nozzle is installed at the bottom of the packaging device body, and the quantitative feeding nozzle is used for quantitatively packaging materials; the quantitative assembly is used for pushing the materials adsorbed in the quantitative feeding nozzle and keeping the materials in the quantitative feeding nozzle quantitative during packaging every time, and the quantitative assembly comprises a supporting table installed between the quantitative feeding nozzle and the packaging device body and a guiding cavity formed in the middle of the interior of the supporting table and allowing the quantitative feeding nozzle to be inserted therein; according to the quantitative feeding nozzle, through the arrangement of the quantitative assembly, residual materials in the quantitative feeding nozzle can be cleaned in time, it is ensured that the residual materials in the quantitative feeding nozzle can be collected by the material packaging container, and the situation that the weight of packaging is not accurate every time due to the fact that the residues affect subsequent material metering is avoided; therefore, the overall packaging precision is improved, and the overall inspection quality of the packaging container is improved.

The invention discloses a physical exercise barbell disc machining device, and particularly relates to the technical field of barbell disc machining, the physical exercise barbell disc machining device comprises a machine tool frame and a barbell disc body, the machine tool frame is provided with a cleaning device and a machining device, and the side, close to the cleaning device, of the machine tool frame is provided with a transferring device; the machining assembly comprises a mounting frame fixed to one side of the machine tool frame and used for storing the barbell disc bodies, a mounting plate fixed to the side, close to the transfer device, of the machine tool frame and a sliding plate slidably connected to one side of the mounting plate. Through the arrangement of the machining assembly, it is ensured that a barbell disc body can be stably and accurately placed in the transfer device by the machining assembly, workers are prevented from feeling tired easily in the carrying process, it is ensured that the feeding position and angle of the barbell disc body each time can be kept accurate, and the overall machining efficiency of the barbell disc body is improved.

The application provides a front engine compartment assembly and a vehicle. The front engine compartment assembly comprises a wheel cover structure, a front longitudinal beam, a front bulkhead and an annular frame structure. The wheel cover structure and the front longitudinal beam are located on both sides of the vehicle body. The annular frame structure is arranged between the opposite wheel cover structures and connected with the front bulkhead. The two ends of the annular frame structure respectively extend downward along the inner walls of the corresponding wheel cover structures until connected with the front longitudinal beam. The front engine compartment assembly can improve the stress resistance and force transmission efficiency of the front engine compartment assembly, thereby improving the driving comfort of the vehicle.

The utility model relates to the technical field of assembly connecting structures, and discloses a steel column and wood beam assembly connecting structure which comprises a steel column and a wood beam, a supporting plate is arranged at one end of the steel column, a steel column connecting component is arranged on the supporting plate in a penetrating mode, and a wood beam connecting component is arranged at the end, away from the steel column, of the steel column connecting component. The steel column connecting part and the wood beam connecting part are of an integrally-formed structure, and the wood beam connecting part is of a cross-shaped structure. A through mounting clamping groove is formed in the wood beam, and the outer diameter of the side edge of the wood beam connecting component is matched with the inner diameter of the mounting clamping groove; l-shaped side edge plates are arranged on the side faces of the wood beams, and third screw holes are formed in the side faces of the L-shaped side edge plates. According to the steel-wood combined joint, safe and reliable connection of beam-column joints is achieved, steel and wood components can be better fused in a building structure, and the steel-wood combined structural form can more widely meet the requirements of various building structures.

The utility model provides a front cabin assembly and a vehicle. The front cabin assembly comprises two front cabin longitudinal beams symmetrically arranged on the left side and the right side of the bottom of a front cabin, an upper transverse support and a lower transverse support, wherein the upper transverse support and the lower transverse support are arranged between the middle sections of the two front cabin longitudinal beams in a vertically spaced mode. The two ends of the upper transverse support are in lap joint with the tops of the front cabin longitudinal beams on the two sides respectively, and the two ends of the lower transverse support are connected to the bottoms of the inner sides of the front cabin longitudinal beams on the two sides respectively. According to the front cabin assembly, an upper transverse support and a lower transverse support which are vertically arranged in a spaced mode are arranged between the middle sections of two front cabin longitudinal beams, the two ends of the upper transverse support are in lap joint with the tops of the front cabin longitudinal beams on the two sides respectively, and the two ends of the lower transverse support are connected to the bottoms of the inner sides of the front cabin longitudinal beams on the two sides respectively. The structural strength of the middle area of the front cabin assembly is improved, the force transmission path of the front cabin is increased, and therefore the collision force transmission and dispersion effect of the front cabin assembly is improved, and the safety of a vehicle is improved.

The invention provides a shock absorber seat and a vehicle. The shock absorber base comprises a shock absorption tower body and a connecting wall. The damping tower body and the connecting walls are integrally cast and formed. The damping tower body comprises a middle boss, a transition part extending outwards from the bottom of the middle boss and a supporting wall located below the transition part. The middle boss comprises a top plate and an annular peripheral wall connected with the top plate. A cavity is formed in the shock absorption tower body, a reinforcing wall further protruding downwards from the annular peripheral wall is arranged in the cavity, and a transition channel is formed by the reinforcing wall and the transition part. The shock absorber base is integrally cast and formed, the structure is simple, meanwhile, stress transmitted to the shock absorption tower body can be effectively dispersed, resonance at a wheel cover is reduced, and the overall torsional rigidity of a vehicle body is improved.

The utility model relates to the technical field of bridge engineering, in particular to a net-shaped suspender tie bar pedestrian arch bridge structure. Comprising a tie beam, an end cross beam, a middle cross beam and a longitudinal beam, the middle cross beam intersects with the longitudinal beam, the end of the middle cross beam is connected to the tie beam, the end of the longitudinal beam is connected to the end cross beam, and the end of the middle cross beam is connected to the end cross beam. The bridge deck is provided with a plurality of symmetrical tuned mass dampers. The arch rib and the straining beam are both made of seamless steel pipes, transverse partition plates and longitudinal stiffeners are not arranged, and the seamless steel pipes of the arch rib part adapt to the arch rib line type through the section cold bending technology. Web plates of the middle cross beams are welded with the straining beams; and the end cross beams are welded with the straining beams. And the fork lugs of the suspender are connected with the arch rib and the lifting lugs on the straining beam through pin shafts. The structural system can effectively reduce the volume and reduce the arrangement difficulty of anchoring parts.

The electric toothbrush head and the electric toothbrush provided by the embodiment of the application relate to the technical field of electric toothbrushes, and the electric toothbrush head comprises a shell, a mounting cavity and a containing cavity, the containing cavity is communicated with the mounting cavity, a brush head assembly, a support and a bristle head, the support is fixedly installed in the mounting cavity, the support has a matching hole, the bristle head comprises a rotating connection part, a limiting part and a linkage shaft, the rotating connection part is rotatably matched with the matching hole, the limiting part is connected with the rotating connection part, and the linkage shaft is eccentrically arranged with the rotating connection part, a driving assembly, a push rod and an elastic piece, the push rod is movably arranged in the containing cavity, one end of the push rod is rotatably connected with the linkage shaft, the other end of the push rod is used for being matched with a main shaft, the elastic piece is arranged in the mounting cavity, and the elastic piece is used for driving the push rod to move in a direction away from the linkage shaft. The embodiment of the application can simplify the structural design of the brush head assembly, is beneficial to simplifying the assembly process of the electric toothbrush head, and reduces the cost of the electric toothbrush head.

The utility model provides a gear assembly and a tricycle, the gear assembly comprises a gear fixing seat, a gear part and a mounting part which are spliced with each other are formed on the gear fixing seat along a first direction, and the gear part is provided with a plurality of gear grooves which are communicated with each other; the positioning sleeve is arranged in the first direction, the two ends of the positioning sleeve protrude out of the two opposite sides of the mounting part respectively, and one end of the positioning sleeve is arranged below the gear part in a suspended mode; the connecting rod structure comprises a gear connecting rod, a middle connecting rod and an engine connecting rod which are sequentially connected and matched, the end, away from the middle connecting rod, of the gear connecting rod extends to the position above the gear part through any gear groove, and the end, close to the middle connecting rod, of the gear connecting rod coaxially penetrates through the positioning sleeve; and the middle connecting rod and the engine connecting rod are positioned on one side of the mounting part. The gear assembly solves the technical problems that a traditional gear assembly is large in occupied space, and the machining technology and the installation process are relatively complex.

The present invention relates to the field of valve technology, and discloses an integrated piston valve, including a valve body, a valve seat arranged at the outlet end of the valve body, a piston in the inner cavity of the valve body that can slide along the guide rail of the valve body, a squirrel cage connected to the front end of the piston, and a connecting plate connecting the piston to the driving shaft of a driving device. The driving shaft is controlled by the driving device to move forward and backward along the central axis of the piston valve, thereby driving the piston to move together. This piston valve uses waterproof DC motor technology, and eliminates the shaft system on the basis of the traditional piston valve, integrates the motor and the reduction box into one and both are located in the valve body, so that the overall structure of the piston valve is simplified. The friction problem caused by the need to transmit torque through a connecting rod in traditional piston valves is avoided, and the torque is naturally reduced. Moreover, since there is no connecting rod across the flow channel, the flow channel is smoother and has no effect on the flow state.

The invention discloses a microbial slow-release purification device for water purification, and particularly relates to the technical field of purification devices.The microbial slow-release purification device comprises a purification part, a slow-release cylinder and a micro-capsule disc, the slow-release cylinder is used for keeping a proper environment in the micro-capsule disc, and a plurality of inlets and outlets for water to circulate are formed in the outer portion of the slow-release cylinder; the purification assembly is used for enabling water to flow into the slow-release cylinder in a split-flow mode and enabling the water flowing into the slow-release cylinder to be fully mixed and contacted with the micro-capsule disc, and the purification assembly comprises two water inlet cavities which are formed in the outer portion of the slow-release cylinder and communicate with the inner portion of the slow-release cylinder, a mounting frame fixed in the slow-release cylinder and a connecting disc rotationally connected into the mounting frame; through the arrangement of the purification assembly, a still water area does not exist between water flow and the device, rapid diffusion of the micro-capsule disc is facilitated, the situation that the local concentration is high and the concentration of other areas is low is avoided, full mixing of microorganisms and water is improved, and the water purification effect of the device is enhanced.

The utility model relates to the technical field of concrete, in particular to a steel reinforcement cage bundling and fixing structure. According to the technical scheme, the reinforcement cage bundling and fixing structure comprises a first clamping groove, fins, end covers, a second clamping groove, a fixing plate and a positioning groove, the positioning groove is formed in the fixing plate, the fins are inserted into the fixing plate through the positioning groove, the end covers are installed at the two ends of the fixing plate, and the second clamping groove is formed in the fixing plate. The fins, the end covers and the fixing plates are fixed in a welded mode or clamped and fixed in an interference fit mode. According to the utility model, not only can concrete be effectively prevented from cracking, but also the stability and durability of the structure can be improved, and a reliable guarantee is provided for the safety and durability of constructional engineering.

The utility model relates to an anti-rolling frame and a vehicle, the anti-rolling frame comprises a first sub-frame and second sub-frames, the first sub-frame is used for being connected with a column B of a vehicle body, the two transverse sides of the first sub-frame are connected with the second sub-frame respectively, the second sub-frame is provided with a first end and a second end which are oppositely arranged, and the first end is connected with the second end. The first end is connected with the first sub-frame, the second end is used for being connected with a column A of a vehicle body, the second sub-frame is connected with at least one first connecting frame, and the first connecting frames are used for being connected with the vehicle body. According to the anti-rolling frame, the force transmission efficiency between the anti-rolling frame and a vehicle body can be improved, and the probability of instability of the anti-rolling frame is reduced.

The invention discloses a ground hydraulic drive lifting oil extraction deep-well pump which comprises a pump body pipe, a set of hydraulic force transmission channels are formed in the pipe wall of the pump body pipe in the axial direction of the pump body pipe, and the set of hydraulic force transmission channels are symmetrically arranged along the central axis of the pump body pipe; a communicating opening communicated with the interior of the pump body pipe is formed in the bottom of each hydraulic power transmission channel, and a hydraulic control combination is arranged on the inner wall of the pump body pipe to control opening and closing of the communicating openings; a driving lifting structure is arranged in the pump body pipe, an oil pumping opening is further formed in the bottom of the pump body pipe, and a fixed valve is arranged on the oil pumping opening. Compared with the prior art, the ground hydraulic drive lifting oil extraction deep-well pump has the advantages that eccentric wear of the sucker rod and the oil pipe is avoided, and the service life of the oil pipe can be prolonged by more than one time; driving the pressurizing working fluid to be not mixed with the formation output fluid; the pressurization working fluid can be recycled, the maintenance-free working time of the pressurization system can be prolonged, economic benefits are remarkable, and the method has great application value in deep well oil extraction and deep coal bed gas drainage.