102results about How to "Increase inertial force" patented technology

The body attitude leveling control system for emergency rescue vehicles disclosed in the invention comprises a three-axis accelerometer for measuring the acceleration of a low-speed vehicle in real time; a processor which calculates the vehicle body attitude angle based on the acceleration measured by the three-axis accelerometer; a controller which reads the information of the attitude angle of the vehicle body, and compares the attitude angle of the vehicle body with a leveling accurate preset angle of the vehicle in real time to determine whether the vehicle body needs to be leveled and controlled. The vehicle body leveling system of the present invention can adopt a centroid position error leveling method, and combines the active suspension system of the vehicle to control the movementof each suspension hydraulic cylinder of the suspension system to achieve smooth leveling of the vehicle body. The vehicle body leveling system of the present invention can also adopt a coplanar bodyleveling method to keep the suspension hydraulic cylinders of the suspension system and the vehicle body connection point in the same plane movement, thereby improving the speed of the body levelingcontrol.

In left and right web plates (12) of a boom (11), first to fifth web materials (12A to 12E) are joined at edge portions in a front-rear direction along welding lines (13A to 13D). In an upper flange plate (14), a rear upper flange material (14A), a front upper flange material (14B), and a middle upper flange material (14C) are joined at edge portions in a front-rear direction along welding lines (15A, 15B). Ina lower flange plate (16), first to sixth lower flange materials (16A to 16F) are joined at edge portions in a front-rear direction along welding lines (17A to 17E). The welding lines (13A to 13D) of the left and right web plates (12) are disposed in positions that are different from those of the welding lines (15A, 15B) of the upper flange plate (14) and the welding lines (17A to 17E) of the lower flange plate (16) in a front-rear direction. This makes it possible to reduce the entire weight and thereby achieve reduction in weight while ensuring bending strength, torsional strength, and the like of the boom (11).

The invention discloses structural improvement of an engine connecting rod. A big end of a connecting rod body is detachably and fixedly connected with a connecting rod cover to form a crank shaft hole; a bushing is fixedly inserted into a piston pin hole at a small end of the connecting rod body; an upper bearing bush and a lower bearing bush are inserted into the crank shaft hole; the inner walls of the upper bearing bush and the lower bearing bush are provided with a second minor arc-shaped concave oil groove and a first semicircular concave oil groove which are communicated with each other respectively; the second oil groove of the upper bearing bush is provided with a first oil hole in the radial direction; the inner wall of the crank shaft hole of the connecting rod body is provided with a third arc-shaped concave oil groove which is communicated with the first oil hole; the outer wall of a bushing is provided with a fourth concave annular oil groove; the inner wall of a fourth oil groove is provided with at least one radial through hole; and the connecting rod body is provided with at least one oil way which is communicated with the third oil groove and the fourth oil groove respectively. In the structural improvement, lubricating oil in a crank shaft can be led into the bushing, so that the junction of the connecting rod and a piston pin and the junction of the connecting rod and the crank shaft are fully lubricated, the connecting rod produces small impact force to the crank shaft during reciprocating motion, and the upper bearing bush, the lower bearing bush, the connecting rod and the bushing have long service life.

A door outer handle which can be easily attached to an outer panel from the outside and in which the size of a counter weight is sufficiently ensured is provided. A door outer handle has an elongated shape. A hinge portion provided at one end of the door outer handle is inserted into a first attachment hole, and a counter weight provided at the other end of the door outer handle is inserted into a second attachment hole. An outer circumferential surface of the counter weight, which is located farthest from a contact point, is formed in an arc shape with a first radius, centered at the contact point. Furthermore, an inner circumferential surface of the counter weight, which is located closer to the contact point than the outer circumferential surface, is also formed in an arc shape with a second radius, centered at the contact point.

The invention discloses a temperature-controlled intelligent tuned inertial mass damper. The damper is composed of two parts, namely a working cavity temperature control part and a main damper body part. The working cavity temperature control part comprises a temperature monitoring part and a temperature adjusting part. The main damper body part comprises an SMA spring and an inertial mass damperbody connected with the SMA spring through a rack, the rack is connected with a driving gear, the driving gear is in contact with a follow-up flywheel, the follow-up flywheel is connected with a cylinder, and the cylinder is located in a box body filled with viscous liquid. According to the temperature-controlled intelligent tuned inertial mass damper, the inertia force of the damper body can be increased by converting axial motion into rotary motion, and on the premise of ensuring the damping effect, the mass of the damper body is reduced. The damping and stiffness of the SMA spring can alsobe adjusted in real time by changing the temperature, so that the damper body has the stable working performance in a wide frequency domain, and therefore the good damping effect is achieved.

The invention discloses a plant protection drone. The plant protection drone comprises a drone body, a spray bar and a plurality of spray heads, wherein the spray bar comprises an inner spray bar andan outer spray bar; one end of the inner spray bar is connected with the drone body; the other end of the inner spray bar is connected with the outer spray bar; during working, the outer spray bar canbe rotated in a vertical plane relative to the inner spray bar to move to a vertically downward position or a horizontal position; and the spray heads are arranged on the inner spray bar and the outer spray bar along the length direction of the spray bar at intervals. The plant protection drone disclosed by the invention has the beneficial effects that when the plant protection drone works, the outer spray bar can be rotated in a vertical plane relative to the inner spray bar to move to a vertically downward position or a horizontal position, so that the horizontal spraying and the longitudinal spraying of a medicine can be realized and the plant protection drone can adapt to various sprayed objects, is suitable for spraying needs of different crops and different environments, meets practical application needs and has strong practicability and a broad application prospect.

The invention provides a surface processing device. The surface processing device can remove bubbles adhering to the surface and in holes of a work piece physically, and improve the surface processing ability. The surface processing device used for processing the surface of the work piece (20) is provided with a guide rail (201, 231-235); a transporting fixture (30) guided by the guide rail and transporting and retaining the work piece in a transporting direction (A) along the guide rail; a surface processing groove (200) used for surface processing of the work piece retained by the transporting fixture; a front processing groove (230A) arranged on a side of the upper stream of the transporting direction (A) of the surface processing groove and dipping the work piece retained by the transporting fixture into processing liquid (290) for processing; and a vibration giving part (500) giving vibration to the transporting fixture retaining the work piece dipped in the processing liquid in the preprocessing groove, thereby letting the work piece vibrate in the processing liquid.

The invention belongs to the field of production and processing of powder materials and in particular relates to calcium carbonate powder surface modification equipment. The calcium carbonate powder surface modification equipment comprises a calcium carbonate powder mixing, stirring and conveying device, a calcium carbonate powder surface coating device and a wind energy filtering and material collecting device which are sequentially connected; the calcium carbonate powder mixing, stirring and conveying device is used for uniformly mixing calcium carbonate powder with different particle sizes and conveying to the calcium carbonate powder surface coating device, the calcium carbonate powder surface coating device is used for spraying liquid-state organic matter onto calcium carbonate powder and stirring by adopting a high speed mixer, so that the organic matter is fully coated on the surface of calcium carbonate; the wind energy filtering and material collecting device is used for pumping out materials in the high speed mixer by utilizing a fan, filtering out the calcium carbonate powder in air flow by adopting a dust remover and collecting the calcium carbonate powder. The calcium carbonate powder surface modification equipment has the advantages that multiple feeding holes are formed, a feed pump used for regulating feeding rate is arranged at the feeding holes, and different materials can be mixed in specific ratio in a conveying process; and a ball head is arranged at the top end of a stirring rod, inertia force of a stirring device can be effectively increased, energy sources can be greatly saved, and the ball head also can increase contact area between the stirring rod and the calcium carbonate powder, so that stirring is more sufficient.

The invention belongs to the field of Micro-Electro-Mechanical System (MEMS), more specifically, the invention relates to a cantilever beam type membrane stress power generation structure, which comprises a frame type substrate, wherein a silicon cantilever beam suspended in the frame type substrate is positioned on a beam facing an opening of the frame type substrate, the free end of the silicon cantilever beam is fixedly provided with a mass block, a silicon dioxide insulation layer is also positioned above the beam facing the opening of the frame type substrate, a bottom electrode layer is positioned on the silicon dioxide insulation layer, a strip bottom electrode layer positioned above the silicon cantilever beam extends on the bottom electrode layer in the direction towards the opening of the frame type substrate, a PZT piezoelectric layer is positioned on the mass block, a strip PZT piezoelectric layer positioned above the strip bottom electrode layer extends on the PZT piezoelectric layer in the direction towards the silicon dioxide insulation layer, and a top electrode layer is positioned above the strip PZT piezoelectric layer. When the system is in a vibration environment, the vibration in the external environment can be transferred to the system, vibration and bending deformation of the silicon cantilever beam are caused, mechanical energy is stored in the silicon cantilever beam, thereby, the piezoelectric layer is stretched and contracted and an electrical signal is generated, and the conversion of mechanical energy to electrical energy is realized.

An apparatus adopting an iron core and an inertial mass is disclosed for exerting high power output by converting a sound signal to vibration so as to stimulate the human hearing organs through the bones. A sound-to-vibration conversion apparatus comprises a housing, a permanent magnet having an N-pole and an S-pole, only one pole of which is fixed to the housing, an electromagnet movably installed into the housing faced either the S-pole or N-pole of the permanent magnet, whichever one is not fixed to the housing, and an inertial mass for amplifying the inertial force of reciprocating movement of the electromagnet, so that the housing with the permanent magnet can be vibrated by the electromagnet, whereby the electromagnet vibrates in a reciprocating fashion towards or away from the permanent magnet in accordance with the incubation between the polarity formed at the electromagnet by acoustic signal applied to the electromagnet and either the N-pole or the S-pole of the permanent magnet.

An angular acceleration detection device includes a rotating weight, a fixed portion, a support beam, and a detection portion. The rotating weight is rotatable about a Z-axis with respect to the fixed portion by action of an inertial force generated by an angular acceleration about the Z-axis. The fixed portion is disposed at a position spaced from the rotating weight. The support beam is disposed in an X-Y plane between the fixed portion and the rotating weight, the support beam elastically supporting the rotating weight with respect to the fixed portion. The detection portion outputs a detection signal corresponding to stress generated in the support beam. A gravity center position of the rotating weight is aligned with the support beam when viewed in a Z-axis direction.

The invention relates to a sorting system and technology used for coal slime recycling and belongs to the technical field of coal slime sorting and recycling. The problems that an existing coal slimesorting technology is complex in process, low in treating capability and high in product misplaced material content and cannot achieve continuous sorting and recycling of coal slime. The sorting system comprises a coal slime stirring barrel, a classifying cyclone, a first ore pulp preprocessor and a three-product hydraulic flotation machine. The coal slime stirring barrel is connected with the classifying cyclone through a first slurry pump. The classifying cyclone is connected with the first ore pulp processor through a second slurry pump. The first preprocessor is connected with the three-product hydraulic flotation machine. By means of the sorting system and technology used for coal slime recycling, fluidization and sorting are conducted on 2-0.25 mm coarse-particle coal slime in the three-product hydraulic flotation machine, cleaned coal, middling coal and tailings are obtained, reverse flow sorting is conducted on 0.25 mm-0 mm fine-particle coal slime in a flotation column, cleancoal and middling coal are obtained, refining recycling on the coarse and fine coal slime is achieved, gradient utilization on coal resources is also achieved, and economic resource benefits can be maximum.

A pedal device for an electronic percussion instrument, including: a base; a foot board supported at its first end portion to the base and configured to pivot by depression; an arm rotatably supported at its first end at a pivot point located near to a second end portion of the foot board, the arm being pivotable about the pivot point; a mass portion provided near to a second end of the arm; a regulating portion for regulating a locus of displacement of the mass portion when the foot board is moved from a depression start position to a depression end position; and a stopper portion provided on the base for defining the depression end position by contacting the mass portion in a forward stroke of depression, the regulating portion regulating the locus of the displacement of the mass portion so as not to contain a downward component in the forward stroke.

The invention discloses a bidirectional air feeding type pressurization and dust filtration electrostatic dust collector which comprises a device main body, wherein the device main body is mainly composed of an air inlet pipe, an air exhaust port, an ash hopper, an ash outlet, a rotating chamber, a pressurizing and filtering chamber, an electrostatic adsorption chamber and a settling chamber; the air inlet pipe is connected with the bottom of a side wall on the left side of the device main body; a rotating shaft is vertically arranged in the pressurizing and filtering chamber; a top plate is arranged at the top of the pressurizing and filtering chamber; a base plate is arranged at the bottom of the pressurizing and filtering chamber; a rotating component is arranged on the rotating shaft; an internal thread is arranged on the rotating component; a rubber plate is connected with the side wall of the rotating shaft; the electrostatic adsorption chamber is arranged at the top of the pressurizing and filtering chamber; a plurality of static plates are fixedly jointed in the electrostatic adsorption chamber; a plurality of jetting pipes are arranged in the electrostatic adsorption chamber; an annular plate is arranged at the top of the settling chamber; and a resisting pressing plate is arranged on a center position of the top of the annular plate. The electrostatic dust collector is high in dust collection efficiency, the inertia force of the smoke is increased under mechanical effects, and the removal efficiency is increased.

The invention discloses a piezoelectric bimorph type inertial piezoelectric motor, and belongs to the technical field of the piezoelectric motor. According to the key points of the technical scheme, the piezoelectric bimorph type inertial piezoelectric motor comprises a base, two piezoelectric patches and a guide rail, wherein the two piezoelectric patches are arranged between the base and the guide rail in parallel; one ends of the piezoelectric patches are perpendicularly fixed to the base through adhesive while the guide rail is fixed to the other ends of the piezoelectric patches through adhesive; the piezoelectric patches are polarized along a thickness direction or a radial direction; and the direction of the groove of the guide rail is consistent with the polarized direction of the piezoelectric patches. The piezoelectric bimorph type inertial piezoelectric motor is relatively low in manufacturing cost, simple in process, easy to operate, and stable and diversified in structure; and in addition, the manufactured piezoelectric motor can be driven by a low voltage, so that the piezoelectric motor is safer and more excellent in performance, and can be widely applied in the applications of micro-nano manipulation and control fields.

The invention discloses an auxiliary stocking propelling device and a propelling method thereof. Stockings are conveyed from a starting end to a tail end on a transmission belt, and are about to stride on a static working panel. The stockings gain forward inertia force under the transmission of the transmission belt. Friction force exists between the stockings and the working panel, so that the own inertia force of the stockings is reduced gradually along with striding of the stockings on the working surface, and most stockings are clamped at the critical point. After the propelling device disclosed by the invention is arranged, thrust force for assisting the stockings in moving forwards is provided through a contact point between a roller and the transmission belt by using the inertial force gained by a roller on the transmission belt, so that certain acceleration is provided for the stockings, and the stockings can stride on the working surface smoothly.

The invention provides a counterforce bucking device for a box nailing machine. The box nailing machine is provided with a drive device, a rotating piece and a balance weight device, wherein, the drive device is linked with the rotating piece and the balance weight device, when the drive device of the box nailing device is actuated for action, the balance weight device is driven by the rotating piece to generate counterforce, thereby bucking acting force after the box nailing machine is actuated, and achieving the aim of safe application, simple assembly and other high practicalities for a user.

The invention discloses a cantilever beam vibration and electromagnetism self-powered microsensor of an Internet-of-things radio frequency transceiving assembly. According to the cantilever beam vibration and electromagnetism self-powered microsensor, two energy collection self-powered modules including a piezoelectric transducer and a rectification antenna system are integrated, and can play a role in energy collection, energy conversion and energy storage of mechanical vibration energy and stray electromagnetic energy respectively. The cantilever beam vibration and electromagnetism self-powered microsensor is arranged on a gallium arsenide substrate, and comprises an MEMS cantilever beam, a filter circuit, a rectifying circuit and an energy storage capacitor, wherein the MEMS cantilever beam is composed of an upper electrode, piezoelectric film, a lower electrode, a silicon nitride dielectric layer and rectangular microstrip patch antennas from top to bottom, and an oval structure at the tail end is supported by two abreast narrow beams connected with anchoring areas. According to the cantilever beam vibration and electromagnetism self-powered microsensor, the two energy collection self-powered modules can complement with each other through integration of the two energy collection self-powered modules, rectangular microstrip patch antenna structures serve as mass blocks to improve inertia force and deformation of a cantilever beam in the vibration process, and vibration extension antennas of the cantilever beam are used for collecting the directivity range of energy. According to the cantilever beam vibration and electromagnetism self-powered microsensor of the Internet-of-things radio frequency transceiving assembly, energy collection efficiency and the power supply capacity are improved, and influence of a stray magnetic field and mechanical vibration on the Internet-of-things radio frequency transceiving assembly is reduced.