50results about How to "Reduce design and production costs" patented technology

The invention discloses a crawler type air-suspension transport vehicle. The crawler type air-suspension transport vehicle comprises a chassis, wherein a power system and a control system are arranged on the chassis, and crawler walking mechanisms in left-right symmetry and the same structure are respectively arranged on the left side and the right side of the bottom of the chassis; a frame is arranged in the middle part of the chassis; an upper bracket is arranged at the top of the frame; a bearing plate is horizontally arranged on the upper bracket; a lower bracket is arranged at the bottom of the frame; two air-jet load bearing devices are respectively arranged on the left side and the right side of the lower end of the lower bracket; each air-jet load bearing device is positioned at the inner part of the corresponding crawler walking mechanism; the front end and the rear end of each air-jet load bearing device are connected with the corresponding crawler walking mechanism through connecting rod mechanisms respectively; a spring is arranged between the chassis and each crawler walking mechanism; an air compressor and a high-pressure air storage tank are arranged in the frame; the outlet of the high-pressure air storage tank is connected with the air inlet of each air-jet load bearing device through a high-pressure air tube. The crawler type air-suspension transport vehicle disclosed by the invention is convenient to operate and control, easy to manufacture, low in cost, little in energy consumption, and high in safety and reliability, so that the crawler type air-suspension transport vehicle is especially suitable for transporting heavy cargoes at wharfs and ports.

Provided is a substrate positioning device, comprising a datum plane which can transmit substrates one by one and moves horizontally. Firstly, an end positioner stops the movable substrate of the datum plane, and then a side edge positioned contacts with and corrects the substrate of the datum plane, and finally a lifter lifts the substrate to leave the datum plane through movement from bottom up. The device stops and positions the substrate through mechanical assemblies, so as to remove configuration of sensing components.

The invention belongs to the field of avionics, and particularly relates to a universal collection and interpretation method for flight parameters and a universal flight parameter collector adopting the method. The flight parameter collector is installed and fixed to a collector installation frame by adopting a four rectangle butt joint mode. According to the method and product, different featuresignals output by all related systems or sensors of similar platform aircrafts are collected and subjected to interface definition according to a maximized mode and a regional mode separately, same signals in different types of aircrafts are led to a multiplex channel, and different signals in the aircrafts are led to a mutually different definition channel, so that the universality, the stabilityand the anti-interference performance of the product on the same series of aircrafts are achieved.

The invention discloses a method for proportioning pump constant power control for a bedding-in hydraulic machine. The method comprises the following steps: (1) in the working process of the bedding-in hydraulic machine, a proportioning pump changes an opening of a valve core through an amplification plate according to process motions so as to output different flows, so that the descending running speed and beat of a sliding block are guaranteed, and a control module judges whether the motor should undergo constant power control; (2) the control module reads power signals of an instrument; if the actual power P of the motor is equal to or exceeds the rated power P0 and the time exceeds 0.3 s, the step (3) is executed, and if the actual power P of the motor is smaller than the rated power P0, a step (4) is executed; (3) the control module collects pressure information of the sliding block through a pressure sensor, the proportioning pump flow is output according to the constant power control method, power=pressure*flow(P=P*Q), the pressure of the sliding block goes on rising while the speed is continuously slowed down, so that the rated power value of the motor is guaranteed, and the workpiece pressing forming motions are finished; and (4) the sliding block enters pressure maintaining and follow-up process motions.

The invention discloses a pulse width modulation output adjustable voltage circuit and a use method thereof; the pulse width modulation output adjustable voltage circuit comprises a signal shaping circuit, a signal conversion circuit, a signal amplification circuit and an SOC controller, the signal shaping circuit is used for converting a power supply input voltage VCC into a system power supply VCC1 to supply power to the SOC controller and a resistor; wherein the signal conversion circuit is used for converting a power supply input voltage into a group of negative power supplies VCC2 to supply power to the negative power supplies of the operational amplifier; and the signal amplification circuit is used for amplifying the voltage output by the signal shaping circuit and the signal conversion circuit through the signal amplification circuit to obtain a voltage, and the voltage is 0-VCC1. According to the invention, the second-order filtering characteristic of the RC circuit is utilized, and the amplification function of the operational amplifier on the voltage signal is combined, so that the circuit design cost is reduced.

The invention relates to a synchronous push-pull device with double pendulum rods driven by a single machine and a method for avoiding unfavorable push-pull thereof. The first universal joint rod and the second universal joint rod together are sleeved in the universal joint rod bearing through hole of the universal bearing ball, so that the intersection point of the first rotating shaft and the second rotating shaft and the sliding movement of the universal bearing ball The centers of the outer walls coincide. The invention enables the axis of the push-pull bushing assembly to be adaptively oscillated along with the moment change and center-of-gravity displacement during the changing process of the variable device, so as to keep the overall moment balance and center-of-gravity movement of the variable device stable. In addition, the present invention also avoids the unfavorable push-pull situation in the prior art through the structure of the feedback sleeve, the pressure switch and the feedback boss.

The invention provides a flip mobile communication terminal, which is used for solving the problems that the conventional flip mobile communication terminal is inconvenient to utilize of a television antenna and easy to be worn and broken, and cannot meet the performance requirements of a communication antenna and the television antenna simultaneously. The flip mobile communication terminal comprises a lower turning cover and an upper turning cover in rotary connection with the first end of the lower turning cover through a rotary connection device. The flip mobile communication terminal further comprises a single-pole communication antenna, a television antenna, an antenna impedance matching network, a low-noise amplifying circuit and a filtering processing circuit, wherein the single-pole communication antenna is arranged inside the first end of the lower turning cover; the television antenna is arranged inside a second end of the lower turning cover; the second end of the lower turning cover is opposite of the first end of the lower turning cover; the antenna impedance matching network is arranged inside the lower turning cover; the low-noise amplifying circuit is arranged inside the lower turning cover and is connected with the television antenna through the antenna impedance matching network; and the filtering processing circuit is arranged inside the lower turning cover. The flip mobile communication terminal is convenient to use and not easy to be worn and broken, and can meet the property requirements of the communication antenna and the television antenna simultaneously.

The invention discloses a proportional pump constant power control method for research and distribution of hydraulic presses, the steps are as follows: Step 1. During the working process of research and distribution hydraulic presses, the proportional pump changes the opening of the spool through the amplifying plate according to the process action to output different flow rates, thereby ensuring The control module judges whether the motor should enter the constant power control according to the running speed and beat of the slider down; step 2, the control module reads the power signal of the instrument, if the actual power P of the motor is equal to or exceeds the rated power P0 for more than 0.3s, then Execute step three, if the actual power P of the motor is less than the rated power P0, then execute step four; step three, the control module collects the pressure information of the slider through the pressure sensor, and outputs the proportional pump flow according to the constant power control method, power = pressure × flow ( P=P×Q), the pressure of the slider continues to rise and the speed is continuously slowed down, so as to ensure the rated power value of the motor and complete the pressing and forming action of the workpiece; step 4, the slider enters the pressure maintaining and subsequent process actions.

The crawler-type air-floating transport vehicle includes a chassis, a power system and a control system are arranged on the chassis, the left and right sides of the bottom of the chassis are provided with crawler walking mechanisms with the same structure and symmetrical left and right, the middle of the chassis is provided with a frame, and the top of the frame is provided with The upper bracket is provided with a bearing plate horizontally on the upper bracket, the lower bracket is arranged at the bottom of the frame, and the left and right sides of the lower end of the lower bracket are respectively provided with a jet bearing device. The front and rear ends of the device are respectively connected with the crawler traveling mechanism through a link mechanism, and a spring is arranged between the chassis and the crawler traveling mechanism; an air compressor and a high-pressure gas storage tank are arranged in the frame, and the outlet of the high-pressure gas storage tank is connected with the high-pressure gas pipe through a high-pressure gas pipe. Air inlet connection of the jet bearing unit. The invention is easy to handle, easy to manufacture, low in cost, low in energy consumption, and high in safety and reliability, and is especially suitable for the handling of heavy goods in docks and ports.

The invention discloses a fabricated wallboard corner structure. The structure comprises a first connecting part and a second connecting part which are combined to form a wallboard corner, and a shear type elastic buckle assembly is arranged between the first connecting part and the second connecting part; and the shear type elastic buckle assembly comprises an internal corner buckle piece arranged on the inner side of the wallboard corner and an external corner buckle piece arranged on the outer side of the wallboard corner, a corner buckling piece is arranged between the internal corner buckle piece and the external corner buckle piece, and the corner buckling piece connects the first connecting part and the second connecting part in a buckling mode. The elastic buckle assembly is arranged at the joint of the double-layer wallboard corner composed of the first connecting part and the second connecting part, and the corner buckling piece is arranged in the double-layer wallboard corner, so that the elastic buckle assembly and the corner buckling piece form force balance on the wallboard corner, and a stable wallboard corner structure is obtained through modular assembly.

The invention provides a light intensity-based electronic feedback manual zoom lens, which is convenient to operate, stable in performance, simple in structure and low in cost, and is capable of effectively reducing the unreliability of human operation and greatly improving the work efficiency. The light intensity-based electronic feedback manual zoom lens comprises a manual zoon lens main body and an electronic feedback device connected with the manual zoon lens main body, wherein the manual zoon lens main body comprises a lens adapter, an upper lens barrel and a lower lens barrel, which aresequentially connected and arranged from top to bottom; a rotating shaft sleeve is rotationally connected with the inside of the upper lens barrel; optical signal reflectors are also arranged on the rotating shaft sleeve at intervals in a ring; light passing holes are formed in the upper lens barrel corresponding to the optical signal reflectors; the electronic feedback device comprises an electronic feedback base, an optical signal transmitting unit, an optical signal receiving unit and a signal processing unit; the optical signal transmitting unit, the optical signal receiving unit and the signal processing unit are arranged on the electronic feedback base; the electronic feedback base is fixed on an outer wall of the upper lens barrel; the optical signal transmitting unit and the optical signal receiving unit are toward the optical signal reflectors through the light passing holes; and the optical signal receiving unit is connected with a subordinate device.

The invention relates to a front-end power output structure of a diesel engine. The front-end power output structure comprises a crankshaft fixed on a diesel engine body, and the front end of the crankshaft is sleeved with a crankshaft timing gear. The front-end power output structure is characterized in that the crankshaft timing gear comprises an arc-shaped shaft, one end of the arc-shaped shaft is a large end, the other end of the arc-shaped shaft is a small end, the small end of the arc-shaped shaft extends out of a gear chamber cover, a gear ring is arranged at the large end of the arc-shaped shaft, and the small end of the arc-shaped shaft is sleeved with a crankshaft pulley. An extending-out part is formed by extending outwards in the axial direction of the arc-shaped shaft at the position of the gear chamber cover where the arc-shaped shaft extends out, and a front-end oil seal, a space ring and a front-end bearing are sequentially arranged in a cavity between the extending-out part and the arc-shaped shaft. A concave cavity is formed on the rear end face of the crankshaft pulley, and the extending-out part of the gear chamber cover extends into the concave cavity on the rear end face of the crankshaft pulley. The front-end power output structure is reasonable in structure, flexible to produce, high in output power and load bearing capability and convenient to dismantle.

The invention discloses a bottom reaming bit. The bottom reaming bit comprises a drill sleeve, a drill rod and a transmission shaft, wherein the drill rod comprises two drill bars which are hinged together; each drill bar comprises an inserting part, a fixing part arranged at one end of the inserting part, and a reaming part arranged at the other end of the inserting part; the fixing parts are connected with one end of the transmission shaft; the transmission shaft is used for driving the two drill bars to be crossly staggered away from each other along a hinge part in order that the two reaming parts are crossly staggered away from each other; the other end of the transmission shaft is connected with an external power mechanism. Compared with the prior art, the bottom reaming bit provided by the invention has the advantages that two hinged drill bars are skillfully taken as the drill rod, and the two drill bars are driven to be crossly staggered away from each other along a hinge shaft through the transmission shaft in order that the two reaming parts are crossly staggered away from each other, so that a reaming effect is achieved during rotation in holes needing to be reamed; during reaming by adopting the drill rod having the structure, the two reaming parts are staggered away from each other and recover flexibly and conveniently, so that the fault rate is low, and convenience is brought to insertion and pulling.

The invention discloses a multi-core angle connector for a motor and a motor controller. The multi-core angle connector comprises a shell, an insulation mounting plate, soft copper bars, terminal blocks, insulators, shielding rings, shielding pressure sleeves, a cover plate, a seal gasket and a seal ring. When cables are connected into the connector, the cables are stripped to exposure shielding layers and then connected with the terminal blocks, and the shielding rings are connected to the cables through the shielding pressure sleeves by pressing and clamped on the shell; the insulators sleeve the terminal blocks and pressed into the shell by interference fit; the insulation mounting plate is detachably fixed to the shell; the soft copper bars and the terminal blocks are detachably fixed to the insulation mounting plate; the seal gasket is arranged between the shell and the cover plate; the seal ring is arranged on a mounting surface of the shell. The multi-core angle connector has advantages that product integration is realized, and secondary shielding processing is reduced; a power part is locally bendable, the defect that the copper bars are not coplanar due to tolerance accumulation is improved, effective contact of joint faces of the copper bars is guaranteed, and accordingly high reliability in connection is realized.