134results about How to "Avoid violent vibration" patented technology

A control apparatus for driving a vehicle and a control method for driving a vehicle. A control apparatus for driving a vehicle has an engine start permission output control processing module which reads engine rotational speed; determines whether the engine rotational speed takes a value within a predetermined start disable range; does not output an engine start permission when the engine rotational speed takes a value within the start disable range; and outputs an engine start permission when the engine rotational speed takes a value except a value within the start disable range, and has an engine start control processing module which starts an engine when the engine start permission is outputted. An engine start permission is not outputted and the engine is not started when the engine rotational speed takes the value except the value within the start disable range.

The invention provides a high-strength nylon formula for a blower impeller and a preparation method thereof. Base stocks of the formula comprise caprolactam and laurolactam. Besides, glass beads undergoing activation treatment are added in the base stocks to improve the wearability. Meanwhile, a certain amount of plasticizer, dispersant, lubricant, buffering agent, antioxidant, catalyst and cocatalyst are added. During the pouring and molding, balanced pressurization is carried out so as to improve physical and chemical properties. The invention realizes once pouring and molding, easy batch production, low cost, light weight and energy consumption reduction. The impeller is an integrated body, does not need the welding of components, has strong wearability and good safety. The nylon can be substituted for steel, aluminum and other metal materials in the preparation of the blower impeller.

The invention discloses a cable-strut hybrid drive spraying robot with a variable working interval, and relates to the technical field of spraying robots. The cable-strut hybrid drive spraying robot comprises a hanging basket frame, an end effector angle control mechanism, a traction and working interval control mechanism, a tail end execution structure, a damping rope driving mechanism, a platform rope traction mechanism and a rope traction vibration reduction mechanism,and the end effector angle control mechanism, the traction and working interval control mechanism and the tail end execution structure are mounted on the hanging basket frame. The damping rope driving mechanism is used for driving stable translation of the hanging basket frame in the space. The hanging basket frame is dragged to move through the damping rope driving mechanism and the platform rope traction mechanism, and large-range rapid movement of the tail end execution structure is achieved. The end effector angle control mechanism and the traction and working interval control mechanism are used for driving and dragging the tail end execution structure to carry out accurate positioning movement of three-degree-of-freedom translation and two-degree-of-freedom rotation in an effective working interval range, so that the positioning rigidity and precision are high, the spraying quality is high, and the cable-strut hybrid drive spraying robot is particularly suitable for spraying the surfaces of large parts.

The invention provides an environment-friendly cleaning sieve, and relates to the field of grain processing and impurity removal. The environment-friendly cleaning sieve comprises a box body, supporting legs are fixedly connected to the bottom of the box body, a feeding funnel communicates with the top of the box body, the right side of the inner wall of the box body is fixedly connected with a conveying sleeve pipe, the outer surface of the conveying sleeve pipe communicates with the feeding funnel, a conveying motor is fixedly connected to the right side of the box body, a spiral feeder is arranged inside the conveying sleeve pipe, and an output end of the conveying motor penetrates through the box body and the conveying sleeve pipe in sequence and is fixedly connected with the spiral feeder arranged inside the conveying sleeve pipe. According to the environment-friendly cleaning sieve, the conveying sleeve pipe communicates with the feeding funnel, the conveying motor drives the spiral feeder arranged inside the conveying sleeve pipe to rotate, grains inside the feeding funnel can be conveniently conveyed through the spiral feeder arranged inside the conveying sleeve pipe, so that a blockage situation can be effectively prevented, and the conveying efficiency of the environment-friendly cleaning sieve can be effectively improved.

The invention discloses a LCD assign equipment and method of the equipment allocation. The LCD assign equipment includes a light source, a polarizing device, an optical separating device, a beam reflector device and a beam conversion device. The polarizing device generates polarized light while receive the source light. The polarized light is separated to two polarized beam by the optical separating device reflection and transmission. The two polarized beams intersect after the beam reflector device and the beam conversion device, and the interference occurred. Also use the equipment to provide the service to the LCD, assigned to the use of the equipment and service to the direct method using two polarized light beam coherent light beam sensitive polymer layer surface interference. Induction of exposure to a light sensitive polymer rules with the substrate to form distribution layer, make use of the service to the layer of liquid crystal display more brightly, with higher resolution, facilitating large-size LCD assign.

The invention belongs to the technical field of washing machines, particularly provides a dehydration control method and system of a washing machine and the washing machine comprising the dehydrationcontrol system. The method aims at solving the problem that an existing dehydration method cannot solve the problem that water-proof clothes block water outlet holes. For the purpose, the dehydrationcontrol method comprises the following steps that a dehydration program is started; the changes of the water level of an outer cylinder are detected to judge whether or not a dehydration cylinder canconduct normal dehydration operations; according to the detected water level changes, the revolution speed of the dehydration cylinder is controlled. By detecting the changes of the water level of theouter cylinder, it can be judged whether or not water in the dehydration cylinder flows through the water outlet holes in the dehydration cylinder to the outer cylinder, so that whether or not the water-proof clothes block the water outlet holes in the dehydration cylinder is judged, and when it is judged that the water can normally flows through the water outlet holes, the dehydration cylinder conducts the dehydration operation at the normal revolution speed; when it is judged that the water outlet holes are blocked by the water-proof clothes, the revolution speed of the dehydration cylinderis reduced, therefore bad conditions of strenuous vibration and loud noises of the washing machine are effectively avoided, and the dehydration effect of clothes is greatly improved.

The invention discloses a clamping device for aluminum profile machining, and relates to the technical field of aluminum profile machining. The device comprises a conveying table, the conveying table is provided with a roll shaft conveying part, and the conveying table is further provided with a clamping part arranged in the aluminum profile conveying direction; the clamping part comprises a first sliding rail arranged on the lower end face of the conveying table and a second air cylinder installed on the lower end face of the conveying table, a sliding seat is slidably connected to the first sliding rail, the output end of the second air cylinder is fixedly connected with the sliding seat, a second sliding rail is arranged on the sliding seat, a sliding block is installed on the second sliding rail, and a fixing lug is arranged at the bottom of the sliding block. A screw is in threaded connection with the fixing lug and abuts against the sliding base so that the sliding block can be fixed to the sliding base, a third air cylinder is installed at the upper end of the sliding block, and a second baffle is fixed to the output end of the third air cylinder. According to the clamping device, the aluminum profile is clamped and moved in a clamping mode, it is guaranteed that the transferring distance of the aluminum profile is kept stable, the machining precision of the aluminum profile is improved, the production efficiency is improved, and the production cost is reduced.

The invention relates to a base end support buffer mechanism, which is arranged on the longitudinal I-beam of the suspension base, and is characterized in that it includes a buffer bracket, a base support, a buffer screw, a buffer spring and an electromagnetic sucker module; the buffer The bracket is installed in the longitudinal I-beam, the base support is set under the longitudinal I-beam, the base support is equipped with an electromagnetic sucker module, the upper end of the buffer screw is movably linked with the buffer bracket, and the lower end of the buffer screw is connected to the base The supporting part is connected and fixed, and a buffering spring is sheathed on the buffering screw rod between the buffering support and the base supporting part. The invention has the advantages that: the base supporting member first touches the upper surface of the deck edge, and the impact of the suspension base when it contacts the deck is buffered by the deformation of the buffer spring and the buffer damping pad, so as to avoid the severe vibration of the suspension base, and the electromagnetic sucker module The cables can be connected to the suspension base through the buffer screw to prevent the cables from being crushed or pinched when they are exposed outside the base support.

This invention describes a process for raising the temperature of the evaporating primary liquid. In the process, the evaporating primary liquid from the primary liquid pump enters a plate-type heat exchanger for the exchange of heat with a live steam condensate that enters the plate-type heat exchanger from a stripping condensate pump. After the exchange of heat, the heated evaporating primary liquid enters an evaporator for evaporation, and the cooled live steam condensate enters a thermoelectricity plant for flash evaporation. This invention has such advantages as low energy consumption and prevents drastic vibration of the transportation pipes.

The invention discloses a temporary roof support device for a construction project. The support device comprises a base, a support assembly arranged on the base, a height adjusting assembly and a buffering assembly disposed at the bottom of the base; the support assembly is connected to the base through the height adjusting assembly and used for supporting roofs, the height adjusting assembly is used for adjusting the height of the support assembly to enable the support assembly to support the roofs of different heights, and the buffer assembly buffers an impact force borne by a support devicebody in a deformed manner. According to the support device, the height of the support assembly can be flexibly adjusted by the height adjusting assembly according to the heights of the roofs to enable the support assembly to support the roofs of different heights, and there is no need to adopt support assemblies of different heights for supporting the roofs of different heights, so that the application range of the support device is expanded, construction of the construction project is facilitated, the construction efficiency of the construction project is improved, and the device is simplein structure and convenient to operate.

The invention discloses a high-pressure and impact resistant bearing roller bit with elastic sliders, comprising a roller and a palm, wherein the palm is provided with a big journal and a small journal; and the roller is provided with a big axle hole and a small axle hole. The roller bit is characterized in that a slide way is arranged on the inner wall of the big axle hole; the big axle hole and the small axle hole of the roller are respectively sleeved on the big journal and the small journal of the palm; the slide way is provided with at least two elastic sliders; and the inner wall of the big axle hole is fit with the outer wall of the big journal of the palm in a sliding friction manner via the elastic sliders. The sliders have prestressing force between the axle holes and the journals to ensure that most surfaces between the journals of the palm and the axle holes of the rollers are pressed, thus reducing the intensity of pressure between the axle holes and the journals to ensure the bearing to bear greater load. The gaps between the axle holes and the journals disappear, thus reducing relative vibration between the roller and the palm and having good protective effects on sealing of the roller bit and alloy gears.

The invention discloses a staggered tooth impeller and an extractor hood. A leading edge of at least one of a plurality of first blades and/or second blades on the staggered tooth impeller is arrangedin a zigzag shape, and at least a section of a tailing edge of at least one of the plurality of first blades and/or second blades is configured to be wavy. The staggered tooth impeller in the structure can increase air volume and reduce noise to a large extent. An extractor hood including the staggered tooth impeller has better use effect.

The disclosed ultra-micro-powder three-force sieve machine comprises: a travel frame to hang whole sieve body assembly, assisting by an eccentric shaft and a movable frame to transfer the gear inertial force and the mechanical force of the eccentric shaft to the inertial connection rack, and then the sieve assembly; using the vibration source on the assembly to generate up-down vibration with some amplitude and high frequency both sent to the sieve assembly. This invention is simple and convenient, and fit to different classification request.

The invention relates to a damping gas cylinder transfer trolley. The damping gas cylinder transfer trolley comprises a trolley frame formed by fixing parallel supporting rods, a supporting plate, supporting rod guardrails and handles. The damping gas cylinder transfer trolley is characterized in that a damping device is further arranged on the trolley frame; the damping device comprises rollers, a roller supporting frame, supporting seats, damping supports and damping springs; the supporting seats and the damping supports are fixedly connected to the back side of the trolley frame; the supporting seats are located above the damping supports; the supporting seats are movably connected with the roller supporting frame; the rollers are arranged at the bottom of the roller supporting frame; and the damping springs are connected between the trolley frame and the roller supporting frame. In this way, when the trolley is used for transferring a steel cylinder, buffering can be achieved through the damping device even the ground is uneven, so that the steel cylinder filled with high-pressure gas is protected against strenuous vibration, and the steel cylinder is prevented from colliding with the trolley frame. In addition, due to the fact that the height of the supporting rod guardrails can be adjusted, the transfer trolley is used for transferring steel cylinders with different heights. The damping gas cylinder transfer trolley is simple in structure, high in safety and suitable for application and popularization.

The invention relates to tea processing equipment, and concretely relates to a tea leaf overturning apparatus. The apparatus comprises a pedestal, a motor fixedly arranged on the pedestal, and a shake cage for receiving tea leaves, wherein the apparatus also comprises a transmission mechanism for connecting the motor with the shake cage, the transmission mechanism comprises an eccentric rod connected with the rotating shaft of the motor, a shake shaft connected with the eccentric rod through a first joint bearing, and a shake disc fixedly arranged at the free end of the shake rod, the shake shaft is connected with the pedestal through a second joint bearing, and the shake disc fixes the shake cage. The tea leaf overturning apparatus capable of overturning up and down and also capable of overturning from side to side to a certain degree is provided to solve the problem of poor overturning effect induced by insufficient overturning of tea leaves due to unable side-to-side overturning of present cylindrical rotating cages.

The invention provides a mounting structure of an automobile instrument liquid crystal screen. The mounting structure comprises a front shell, a rear shell and a connecting plate; the front shell andthe rear shell are connected through the connecting plate; glass is installed on the outer side of the front shell, and the liquid crystal screen is arranged between the front shell and the connectingplate; the front side of the liquid crystal screen is attached to the periphery of the glass through a shockproof gasket on the periphery; the rear side of the liquid crystal screen is attached to the connecting plate through a shockproof gasket, and screw holes are formed in the rear shell; a flexible arc-shaped plate is arranged on the periphery of nut posts opposite to the screw holes; the arc-shaped plate is connected with the connecting plate, and screws penetrate through the screw holes and are screwed into the nut posts, so that the rear shell and the connecting plate are connected. The flexible arc-shaped plate absorbs most vibration transmitted to the rear shell by an automobile, small part of vibration is transmitted to the connecting plate from the rear shell, and the shockproof gasket on the connecting plate has a good buffering effect, so that the vibration and impact force transmitted by the rear shell to the rear side of the screen are further buffered, and the situation that the liquid crystal screen is not uniform in the dark state due to mutual extrusion of the liquid crystal screen and the glass is greatly reduced.

The invention discloses a vegetable leaf cleaning device with a vibration draining function, and relates to the technical field of vegetable cleaning devices. The vegetable leaf cleaning device with the vibration draining function comprises a box body, wherein a support is fixedly connected to the upper surface of the box body, a fishing mechanism is arranged above the box body, a vibration draining mechanism is arranged below the support, an annular groove is formed in the inner wall of the box body, and the inner wall of the annular groove is movably connected with the side surface of a disc; and a fan-shaped groove is formed in the upper surface of the disc, a groove is formed in the side surface of the disc, and air outlet holes are formed in the upper surface of the disc. The problems that after a large number of vegetables are cleaned through a common cleaning machine, a large amount of silt is accumulated in the vegetables, a large amount of water needs to be changed at the moment, otherwise, follow-up cleaning is affected, the vegetables are flushed to a conveying belt through water flow, consequently, the vegetables are salvaged incompletely, through a mesh conveying belt, natural draining is performed, time is short, and work efficiency is low, are solved.

The invention discloses a computer multifunctional base which comprises damping supporting legs, a U-shaped base is fixedly arranged at the tops of the damping supporting legs, a supporting block is fixedly arranged in the middle of an inner cavity of the U-shaped base, guide sliding rods are symmetrically and fixedly arranged on the two sides of the supporting block, and one end of each guide sliding rod is sleeved with a damping spring; and a threaded rod is rotated through a rotating wheel to control a clamping plate to move left and right, the clamping plate can clamp and fix the computer host and can prevent the computer host from inclining and shaking, and the guide sliding rods, the damping springs, a guide sliding sleeve and a supporting rod are matched to work to buffer and damp a computer mounting base, the buffering and damping performance of the computer mounting base can be improved, then the buffering and damping performance of the computer host can be improved, a cooling fan can blow air to cool the computer host, electric appliance elements in the computer host can be prevented from being damaged due to over-high temperature, good cooling performance and damping performance are achieved, and the service life of the computer main body can be effectively prolonged.

The invention relates to a resistance and vibration reduction hydraulic ram pump. The resistance and vibration reduction hydraulic ram pump comprises a power pipe, the power pipe is connected with a pump body, the pump body is connected with the bottom of a bend and the bottom of a vertical water inlet pipe, the water inlet pipe is connected with a water conveying valve, the water conveying valve is connected with an air tank, the air tank is connected with a water outlet pipe, the bend is connected with the small end of a reducing pipe, the large end of the reducing pipe is connected with a drain valve, the back side of a water outlet valve clack of the water conveying valve is provided with a water outlet deflector, the upstream face of a drain valve clack of the drain valve is provided with a drain deflector, the back side of the drain valve clack is provided with a runner cone, the drain deflector is fixedly connected with the reducing pipe, and the runner cone is fixedly connected with the drain valve clack. The deflectors are arranged on two check valves of the hydraulic ram pump, so that the purposes of decreasing the resistance coefficient of the check valves, reducing the weight of the valve clacks and preventing the hydraulic ram pump from violent vibration and cavitation erosion are achieved, the service life of the hydraulic ram pump can be prolonged, the noise and vibration of the hydraulic ram pump are reduced remarkably, and efficiency of the hydraulic ram pump can be improved remarkably.

The invention discloses a damping device of a mechanical arm of an excavator. The damping device comprises a first fixed block, wherein the upper end of the first fixed block is rotatably connected with the front section of a big arm; an excavating device is arranged at the upper end of the front section of the big arm; two second connecting blocks which are parallel to each other are fixedly arranged at one side of the front section of the big arm; second connecting rods are arranged on the two second connecting blocks in a penetrating mode; third connecting blocks are arranged on the secondconnecting rods in the penetrating mode; and ends of the two third connecting blocks are fixedly equipped with the rear end of the big arm. The damping device realizes reducing damages, caused by vibrations generated when a refitted arm of excavator equipment works, on a machine body of the excavator, prolongs the service life of the excavator, and solves violent vibration and the like generated while hitting against a rock; the excavator bears the vibrations for a long time, so that damages on many structures of the machine body are very great, the service life of the excavator is greatly shortened, and faults frequently occur; and the damping device is simple in structure, is convenient for operation, and is suitable for popularization.