50results about How to "Smooth impact" patented technology

The invention relates to a drill bucket capable of opening a bucket door continuously to discharge soil forcibly, which comprises a drill bucket body, a drill bucket bottom door, a door opener and a soil discharging device, wherein the drill bucket bottom door is positioned at the lower end opening of the drill bucket body; a lock catch is arranged at one end of the drill bucket bottom door and is matched with a bucket door hook of the door opener; the other end of the drill bucket bottom door is hinged with the drill bucket body by a bucket door hinge; the door opener comprises a push-down mechanism arranged on a component capable of moving up and down relative to the drill bucket and a door opening mechanism arranged on the drill bucket body; and after acting on the door opening mechanism to open the drill bucket bottom door in the process of moving down, the push-down mechanism breaks away from the door opening mechanism to continue to move down. The drill bucket has the advantagesof eliminating impact force to equipment in the soil discharge process of a drilling machine, reducing energy consumption and improving the reliability of the equipment, along with good soil discharge effect.

The invention relates to a device for measuring impact force of tows and airflow in a flash spinning process. A deflection device in the prior art is improved into a combination of an insulating bottom plate and a pressure receptor from a deflection plate. Resistance change generated after the pressure sensor made of piezoresistive materials is subjected to impact force of tows and airflow is measured through an electric brush, a wire and a resistance meter, the impact force is obtained, the compression-resistant distance of the insulation bottom plate is adaptively changed, therefore, the impact force is stabilized, the degree of uniformity of dispersion of a tow net is improved, and finally, the unit mass uniformity of the flash spinning non-woven fabric is improved.

The invention belongs to the technical field of machinery and relates to a vibration-attenuating drive connection device of an electromagnetic power-off brake. The electromagnetic power-off brake comprises a brake disc, wherein a connecting hole is formed in the center of the brake disc, and the wall of the connecting hole is sunken to form internal spline grooves. The electromagnetic power-off brake is characterized in that an elastic sheet is arranged on the brake disc and comprises an elastic sheet substrate contacted with the end surface of the brake disc, block pieces which are folded inwards the spline grooves and formed beside the two side walls of the spline grooves are arranged in the positions, corresponding to the center hole of the brake disc, of the elastic sheet substrate, and when each block piece is in a free state, an elastic gap is formed between the block piece and the side wall of the corresponding spline groove. According to the device, noise between the brake discand a rotor can be effectively reduced.

The invention relates to the technical field of aluminum-wood composite windows, and particularly discloses an aluminum-wood composite window with good impact resistance. The aluminum-wood composite window comprises a wood frame and an aluminum frame, wherein the aluminum frame is fixedly inserted into the wood frame; a weight reducing groove is formed in the center of the front surface of the aluminum frame; a reinforcing rib plate is fixedly connected to the center between the top and the bottom of the inner wall of the weight reducing groove; damping springs are uniformly and fixedly connected to the left side and the right side of the reinforcing rib plate; a base plate is fixedly connected to one side, far away from the reinforcing rib plate, of each damping spring; a first limiting plate and a second limiting plate are fixedly connected to the left side of the inner wall of a damping plate and are close to the top and the bottom of the center respectively; clamping blocks are fixedly connected to the left side and the right side of the aluminum frame and are close to the center; and the clamping blocks are movably clamped between the first limiting plate and the second limiting plate which are adjacent to each other. According to the aluminum-wood composite window, the overall strength of the aluminum frame is improved, the impact force borne by the aluminum frame and thewood frame can be well buffered, and the influence of the impact force on the wood frame and the aluminum frame is reduced.

The invention relates to a downhole rotary impact tool based on magnetic force and a method. According to the technical scheme, a tool outer barrel is arranged on the outer side of a transmission center shaft, an upper magnetic ring is arranged on the upper transmission center shaft, the upper magnetic ring is fixedly connected with the upper transmission center shaft through a limiting bearing and a thrust bearing. The lower part of the thrust bearing is provided with a spring base. The spring base is connected with the upper end of an auxiliary spring. The lower end of the auxiliary spring is connected with a lower magnetic ring. The lower magnetic ring is fixedly connected with a cemented carbide shaft sleeve. A lower transmission center shaft is arranged at the lower part of the uppertransmission center shaft. The downhole rotary impact tool based on magnetic force and the method have the beneficial effects that the tool is simple in structure, easy to achieve and small in construction operation difficulty, downhole application is improved, a magnetic control impact mechanism is introduced, non-contact arrangement of the impact function can be realized, and the service life ofthe impact mechanism is greatly prolonged.

The invention relates to the technical field of trundles, and particularly relates to a vibration reduction type trundle which comprises a trundle support, a wheel installed on the lower portion of the trundle support and a mounting structure arranged on the upper portion of the trundle support and used for being connected with bearing equipment, the trundle support comprises a support body, a vibration reduction frame, a fixing frame, at least one set of spring and a fixing rod, and the vibration reduction frame is of an integrally-formed structure; according to the vibration reduction type trundle, a lever principle vibration reduction mechanism is formed by matching the support body, the vibration reduction frame and the spring and the vibration reduction effect is better; and the pressing plate on the vibration reduction frame downwards abuts against the upper end of the spring, the structural strength is high, the force bearing performance is good, the stability and the durabilityare better, the occupied space of the structural design in the longitudinal space is small, the longitudinal swing space of the vibration reduction frame is large, the bearing piece is connected to the lower end of the fixing rod in a threaded mode, and disassembly and assembly are convenient.

The invention discloses an instrument adopting medication steam for medical treatment. The instrument comprises a big-end-up squatting portion and a big-end-down mixing portion, a mixing unit in the mixing portion is driven to rotate through a driving spindle to have the medication steam and liquid stirred, a heating unit in the side wall of the mixing portion provides heat, temperature in the mixing portion is monitored through a temperature detection sensor in the bottom wall of the mixing portion, and the temperature detection sensor comprises a metal shell, an input wire, an input conductive piece, an output wire, an output conductive block, a plastic strip and a wax block. By the arrangement, uniformity in concentration of the medication steam can be improved, medical treatment effectis improved, and high adjustability and good automatic control are achieved.

The invention discloses a movable impact type large pin shaft replacement device and method. According to the technical scheme, the movable impact type large pin shaft replacement device comprises an impact device body, a fine adjustment mechanism, an adjustment mechanism and a movable supporting assembly. The impact device body comprises an impact drill rod and an impact moving mechanism, and the impact moving mechanism can provide circulating reciprocating power for the impact drill rod. The fine adjustment mechanism comprises a pulley making contact with the bottom of the impact drill rod, and the pulley is connected with the impact moving mechanism through a connecting support. The adjustment mechanism is located below the impact drill rod and comprises a lead screw rotationally connected with the impact moving mechanism, and the lead screw is provided with a manual pull rod. The movable supporting assembly is used for supporting the impact device body and installed at the bottom of the impact moving mechanism. The safety of maintenance operation can be improved, the working efficiency is improved, and the resource utilization rate is increased.

Disclosed is a medicine evaporation method disease treating instrument. An upper main shaft and a lower main shaft inside the instrument drive a left arc pipe, an upper flat pipe, a right arc pipe, alower flat pipe, an inner sub-body and stirring blades to rotate so as to stir disinfecting materials, and therefore the medicine steam and liquid medicine concentration uniform can be improved; airflow ejected through inner and outer vent holes can form vortex so as to enhance the stirring function, and the stirring blades can be driven by rotating strength and the airflow ejected through the vent holes so as to swing around a rotating shaft, a heating device inside the side wall of a liquid medicine bin provides heat, and a temperature measuring sensor inside the bottom wall of the liquid medicine bin monitors the temperature inside the liquid medicine bin. Due to the design, the medicine steam concentration uniformity can be improved, the treatment effect is improved, the adjustabilityis high, and the automatic controllability is good.

A fumigation type gynecological medical device comprises a T-shaped outer frame, an inner heater, a short stirring shaft, a long stirring shaft, an upper rotating shaft, a lower rotating shaft and a steam generation chamber, wherein the T-shaped outer frame, the inner heater, the short stirring shaft and the long stirring shaft in the steam generation chamber are driven by the upper rotating shaftand the lower rotating shaft to stir medicine steam and liquid medicine, so that the concentration uniformity of the medicine steam and the liquid medicine is improved. The internal heater and the heating device in the side wall of the steam generation chamber are used for heating together, the heating uniformity is improved, the temperature in the steam generation chamber is monitored by the temperature sensor in the bottom wall of the steam generation chamber, the temperature sensor comprises a metal shell, an input power line, an output power line, an electrifying block, a left wax block,a right wax block and an insulating platform. In addition, short medicine outlet holes and long medicine outlet holes can achieve on-line medicine supplement, and the concentration of liquid medicineis ensured. By adopting the design, the uniformity of the medicine vapor concentration can be improved, the medical effect can be enhanced, the medicine can be supplemented on line, and the adjustability is high.