80results about How to "Avoid excessive vibration" patented technology

The invention discloses an environmentally-friendly textile machine with functions of shock absorption and cotton flock absorption. The environmentally-friendly textile machine with the functions of shock absorption and cotton flock absorption comprises a hydraulic expansion link, an exhaust fan, a booster pump, a shock absorption device, a baseplate and a base, wherein the hydraulic expansion link is used for adjusting the height of the baseplate and further realizes the adjustment of the height of a textile machine body, thereby meeting the using requirements of operators with different height; the exhaust fan is used for causing cotton flocks generated in the working process of the textile machine body to enter a pipeline through an absorption cover and further enter a cotton flock collecting tank, thereby avoiding the problem that the cotton flocks generated in the working process of the textile machine body float in the air to cause pollution and affect the physical health of bodies of operators in the workshops; the booster pump is used for causing water in a water storage tank to pass through a water diversion pipe and then be sprayed from an atomizing spray head so as to humidify the cotton flocks floating in the air in the workshops, thereby causing the cotton flocks floating in the air in the workshops to fall on the ground under the action of gravity.

The invention relates to a paper that disintegrates quickly in water, for use as a filter material or filter wrapper paper of a cigarette filter. At least 80 wt % of the paper is formed by cellulose fibers. Of the cellulose fibers, at least 80 wt % are a mixture of long fiber pulp and mercerized pulp. 0 to 90 wt % of the content of the mixture is formed by mercerized pulp, and the rest is formed by long fiber pulp. The cellulose fibers of the mixture have a freeness of at most 30° SR according to ISO 5267. In the disintegration test using an apparatus as described in TAPPI T 261, the paper exhibits a disintegration of at least 60% after 30 seconds.

The invention provides a centrifugal filtration apparatus for algal water and with self-cleaning function. The centrifugal filtration apparatus comprises a water inlet pump, a filter box, a water outlet pipe and an algae outlet pipe. An algal water separating device is arranged between the water inlet water pump and the filter box, and comprises a base, a base support, a power part, an algal waterfiltering unit and a cyclically flushing unit, wherein the base support is provided with the power part; and the algal water filtering part is installed on the upper part of the base, connects with the filter box via a pipeline and rotates under the driving of the power part so as to realize centrifugal filtration of algal water in the centrifugal filtration apparatus. The centrifugal filtrationapparatus may be a rotatable mechanism of a cylindrical shape, a cone shape, a fusiform shape or the like; the cyclically flushing device capable of cyclic flushing of the algal water filtering deviceis erected on the upper part of the algal water filtering device; the centrifugal filtration apparatus can realize centrifugal separation of the algal water and self-cleaning, and a cleaning system can cyclically use separated clear water; and the centrifugal filtration apparatus greatly saves water resources and power resources, is convenient to operate and low in cost, and is especially applicable to large-scale algal water filtering in medium-sized and large lakes and reservoirs.

The invention relates to a humidification temperature-controlled oscillation type hybridization device. The humidification temperature-controlled oscillation type hybridization device comprises a base, an upper cover, a lower heating plate and an upper heating plate, wherein the upper cover is matched with the base, the lower heating plate and the upper heating plate are respectively arranged on the base and the upper cover, and a heating cavity is formed by the upper cover and the base; and the humidification temperature-controlled oscillation type hybridization device is characterized in that the base is provided with a functional rack, the bottom part of the functional rack is connected with an oscillation motor and a controller which is in signal connection with the oscillation motor, the heating cavity is internally provided with a humidification device, the humidification device is in signal connection with the controller, the lower heating plate and the upper heating plate are in signal connection with a temperature control device, and the temperature control device is in signal connection with the controller. The humidification temperature-controlled oscillation type hybridization device disclosed by the invention has the beneficial effects that through the action of a humidification control device, the temperature control device and the oscillation motor, the purposes that the humidification can be continuously carried out within relatively-long time, the humidity can be regulated in real time according to test needs, and the oscillation can be simultaneously generated according to the test needs can be achieved by the humidification temperature-controlled oscillation type hybridization device, and the hybridization efficiency and the hybridization quality can be increased.

The invention discloses a reciprocating rotation excitation stand system which is characterized in that a reciprocating rotation excitation system is composed of a linear actuating vibration table, a motion conversion device, and a turning torque rising device, the motion conversion device converts the vertical reciprocating linear excitation formed by the linear actuating vibration table into vertical reciprocating rotation excitation, the turning torque rising device converts the vertical reciprocating rotation excitation into horizontal reciprocating rotation excitation, the torque and the rotation travelling of the horizontal reciprocating rotation excitation can be increased and reduced in the turning torque rising device, and an excitation control module measures the vibration amplitude and the linear exciting force of the reciprocating rotation excitation system at the same time. The reciprocating rotation excitation stand system is suitable for the characteristic test of a large-torque limited angle actuator and can perform the vibration control experiment test based on passive/active/half-active rotary actuator.

A method and apparatus for controlling an operation of a washing machine including, a motor driving unit configured to drive a motor and cause a drum to rotate and a control unit configured to control the motor driving unit to (i) rotate the drum after completing a primary spin cycle, and (ii) stopping rotation of the drum and/or the driving the motor immediately when the rotational speed of the motor reaches a preset value.

The invention discloses a filter bag reinforced self-cleaning type centrifugal machine. The filter bag reinforced self-cleaning type centrifugal machine comprises a shell, a rotary drum arranged in the shell, a power device arranged in the shell for driving the rotary drum to rotate and a filter bag located in the rotary drum, wherein the outer wall of the filter bag clings to the inner wall of the rotary drum; the structure of the power device for driving the rotary drum to rotate is arranged into one comprising a main shaft, a lifting shaft, a lifting cover, a first driving mechanism and a second driving mechanism; by arranging the structures of the main shaft, the lifting shaft, the lifting cover, the first driving mechanism and the second driving mechanism, in the process of driving the rotary drum and the filter bag to synchronously rotate, the filter bag can be pulled to shrink and stretch, and accordingly, materials attached to the wall of the filter bag directly fall off, so that the purposes of realizing filter bag self-cleaning and improving the centrifugal effect are achieved; and at the same time, a plurality of reinforcing strips are arranged on the outer surface of the filter bag so as to improve the tensile strength of the filter bag, and the filter bag can closely cling to the inner wall of the rotary drum after being reset.

A washing machine having balancers and a method of controlling the same is provided. The number of rotations of a motor is maintained at a designated number before excessive vibration of a tub occurs for a designated time in order to prevent excessive vibration of the tub before balls reach a balancing position. The method includes sensing the number of rotations of a motor; determining whether or not the sensed number of rotations of the motor reaches a designated number of rotations by comparing the sensed number of rotations of the motor with the designated number of rotations; and controlling the motor such that the number of rotations of the motor is maintained at the designated number of rotations when it is determined that the sensed number of rotations of the motor reaches the designated number of rotations.

The invention relates to a control valve 1), in particular an angle control valve and double control valve, for extreme control applications, preferably for discharge or reduction for hot separators and vacuum distillation columns. The valve piston 12 and the valve head 13 are designed as one piece and consist of tungsten carbide. Furthermore, the control valve comprises different constructions across the entire control valve range. For example, the valve housing 100, the valve seat 6 and a packing retainer 14 are optionally shaped such that the inner hollow space tapers continuously from the valve inlet to the valve seat 6, which prevents evaporation upstream of the valve seat 6. Furthermore, the double control valve consists of a large sub-valve 36 and at least one small sub-valve 37, wherein the large sub-valve 36 is designed as an adjustable open-closed piston valve and the small sub-valve 37 is designed as a control valve.

A low-vibration insurance structure for a 2P high-speed copper bar rotor, relating to the technical field of high-voltage motor components, in particular a low-vibration insurance structure for a 2P high-speed copper bar rotor, which includes a copper bar rotor, and the left and right ends of the copper bar rotor The left fan and the right fan are respectively connected. The copper bar rotor is provided with a number of rotor copper bars. The rotor copper bars penetrate a rotor iron core and are hammered and tightened axially along the entire length of the iron core. The rotor The two ends of the copper bar are brazed with one end ring respectively, the outer end faces of the two end rings at the left end of the copper bar rotor are fastened to the left fan, and the outer end faces of the two end rings at the right end of the copper bar rotor are fastened to the The right fan, the left fan and the right fan have the same structure and the opposite direction of rotation, the left fan and the right fan all sequentially include a fan plate, fan blades and a fan pressing ring. The invention successfully solves the long-term vibration problem caused by the instability of the 2P high-voltage high-speed copper bar rotor motor under dynamic and thermal conditions during high-speed operation.

The embodiment of the invention provides a breaking control method of an excavator, a controller of the excavator and the excavator, and relates to the technical field of engineering machinery. The breaking control method of the excavator comprising the steps of obtaining a signal characterizing the position relationship between a breaking hammer body and a drill rod; and controlling an oil line system according to the signal, and thus enabling a power oil cylinder to be in a floating state. In the breaking process, the position between the breaking hammer body and the drill rod changes, the fact indicates that the drill rod contacts an object to be broken, such as stone. At the moment, the power oil cylinder is in the floating state, the power oil cylinder does not provide power to a working arm, and the working arm falls under the action of gravity and compacts the drill rod by gravity, so that the method solves the problems that no hit or excessive vibration exists and a crawler belt is jacked up as the drill rod does not fall in place or falls too much due to improper operation.

The invention discloses a rapid filtration device for interior decoration coating processing in the technical field of coating filtration equipment. The rapid filtration device comprises a base, wherein two groups of supporting rods are arranged on the base; a filtration drum is arranged in the two groups of supporting rods; a rotating seat is arranged on the drum wall of the filtration drum; theend parts of the supporting rods are inserted into the rotating seat; the upper end of a drum opening of the filtration drum is provided with a drum cover in a hinged manner; an insertion end is arranged in the center of the top of the drum cover; a sliding rail slot is formed in the inner drum wall of the filtration drum; and a stirring inner drum is arranged in the inner cavity of the filtrationdrum. The rapid filtration device is convenient for inserting a stirring rod for stirring during filtration of a coating, accelerating the dissolving of non-dissolved raw materials and preventing impurities from blocking a filtration net, so that the filtration speed is increased; through the arrangement of shock absorption feet, extremely high vibration during stirring is avoided; the drum coverprevents sputtering during stirring; the stirring inner drum can implement filtration and stirring and is convenient to take out and clean, so that the blockage of meshes due to long-time use of thefiltration net is avoided.

The invention discloses a platform-based high-grade automobile charging device capable of moving at any time. The platform-based high-grade automobile charging device comprises a charging pile body, wherein a first control switch is installed on the front surface of the charging pile body in an embedded mode, and a charging pile is fixed and moved through the matching use of a first electric telescopic rod and a second electric telescopic rod; when the charging pile needs to be fixed, the first electric telescopic rod is extended to the maximum extent, a supporting column is in contact with the ground, so that the function of stabilizing the charging pile is realized; and when the charging pile needs to be moved, the second electric telescopic rod is extended until idler wheels are in contact with the ground, the first electric telescopic rod is then retracted, and the charging pile is moved by using working of a biaxial motor; the outer surface of the first electric telescopic rod issleeved with a spring in a connection mode, so that the charging pile body can be conveniently protected; a damping seat is arranged inside a supporting seat, so that the damping effect can be conveniently increased; and by arranging a rotating shaft, a winding roller, a handle and the like, a charging wire can be conveniently wound on the winding roller, and the other end of the charging wire isarranged on a groove, so that the charging wire can be conveniently tidied up and protected.