60results about How to "Play a deceleration effect" patented technology

The invention provides a road deceleration strip. The road deceleration strip comprises a pre-buried box, a supporting block and two deceleration strip bodies. The supporting block is arranged and connected to the upper portion of the pre-buried box. The two deceleration strip bodies are symmetrically arranged ay the two sides of the supporting block, and the two deceleration strip bodies are connected with the pre-buried box through pivots. The two deceleration strip bodies are in transmission connection through a damping buffer mechanism, and the damping buffer mechanism is used for drivingthe other deceleration strip body to rotate when a vehicle passes through one deceleration strip body. Transmission connection between the two deceleration strip bodies is achieved through the dampingbuffer mechanism; the two deceleration strip bodies are arranged on the supporting block, so that when the vehicle passes through one deceleration strip body, the other deceleration strip body is driven to rotate, the two deceleration strip bodies and the supporting block are of an arch structure, the deceleration effect is achieved, damping and buffering are conducted on the vehicle through thedamping and buffering mechanism, the vehicle is protected, and damage to the vehicle is reduced.

The invention relates to a multifunctional speed bump and a method for removing snow by using it, including a speed bump body, a high-definition monitoring system and a snow removal recovery device; by setting a multifunctional speed bump at a certain distance according to the road conditions on the expressway, especially in perennial At the foot of the mountain that does not receive enough light, use the high-definition monitoring system to monitor the passing vehicles in real time, and use the controller to control the deceleration belt to bounce the main body of the deceleration belt when there is no vehicle passing by, so that the snow melting spray device located on the side wall of the deceleration belt main body is activated. Spray snow melting agent on the road surface to realize the rapid melting of road snow, so as to achieve the purpose of automatic snow removal. The deceleration belt is mainly aimed at the shady road section of the mountain. Since there is no light for a long time, the snow on the surrounding road surface can be quickly melted, so as to ensure the smooth flow of the road.

The invention relates to a deceleration streamer for airdrop materials, comprising a streamer main body and a blower pocket made of special spinning materials. The head end of the streamer main body can be connected with airdrop materials, and a cut corner is left at the tail end, and the blower pockets are alternately sewn on the streamer belt in turn. On the front and back of the main body, the first blowing pocket has a distance K from the head end of the streamer main body, and the blowing pocket has an opening in the direction of the head end of the streamer main body; L is determined according to the weight and falling speed requirements of the airdropped materials, 4≤the length of the main body of the streamer L / the width of the main body of the streamer W≤75; 20°≤the angle θ of the tail end of the main body of the streamer≤60°. The entire air-dropping material drop point of the deceleration streamer is less affected by the wind, the vibration angle of the air-dropped material is small, the packaging is simple, and the air-drop is fast.

The invention relates to the technical field of oil pumping units, and discloses an oil pumping unit for oil extraction. The oil pumping unit comprises a base, a groove chamber is formed in the left side of the upper surface of the base, a second movable groove is arranged in an inner cavity of the groove chamber, speed reducing pieces are movably arranged in an inner cavity of the second movablegroove, a speed reducing mechanism is fixedly arranged above the groove chamber, and linkage rods are fixedly connected to the two sides of the top of the speed reducing mechanism. Balance weights arefixedly installed on the two sides of the two linkage rods, and first movable grooves are formed in the inner sides of the balance weights. By utilizing the structure of the speed reducing pieces, aclamping groove, the first movable grooves and the second movable groove, when the device is in use, the deceleration effect can be achieved through transition of tracks and butt connection of the multiple speed reducing pieces and the interiors of the tracks in the working process, abrasion caused by gravity to equipment when the device descends is reduced, therefore, the abrasion speed of the equipment in the using process is delayed, and the service life of the equipment is prolonged.

The invention provides an air / liquid hybrid type buffer which comprises a cylinder body, a piston rod and a piston. The interior of the cylinder body is divided by the piston into an upper sealing cavity and a lower sealing cavity, and the piston is connected with the piston rod. A first air inlet is formed in the upper sealing cavity, and a second air inlet is formed in the lower sealing cavity.A liquid medium is arranged at the bottom of the lower sealing cavity, and a liquid pipeline communicating the upper sealing cavity with the lower sealing cavity is arranged in the cylinder body. Theposition of the second air inlet is higher than the liquid level of the liquid medium. The first air inlet communicates with the second air inlet. Reset one-way valves are arranged on the piston. Whenthe air pressure in the lower sealing cavity is larger than the air pressure in the upper sealing cavity, the lower sealing cavity and the upper sealing cavity are isolated through the reset one-wayvalves. When the air pressure in the lower sealing cavity is smaller than or equal to the air pressure in the upper sealing cavity, the lower sealing cavity and the upper sealing cavity are connectedthrough the reset one-way valves. The air / liquid hybrid type buffer can achieve the speed reduction effect, the function of additional acceleration is achieved in the speed reduction process, and thebuffer function is achieved.

The invention discloses an asphalt concrete pavement construction process based on a target mix ratio, which comprises the following steps: laying asphalt concrete on the road surface by a paver, thereby forming an asphalt concrete layer on the roadbed; intermittently setting up multiple rows of deformation on the asphalt concrete layer Sections, each row of deformation sections is intermittently provided with multiple sets of deformation holes; rubber material and wear-resistant agent are added to the heating chamber of the melting tank according to the weight ratio of 90-100:5-6 for heating, and rubber fillers are obtained. Then, according to the distance of the deformation holes on each row of deformation sections, the distance between the connecting pipes on the drip irrigation mechanism is adjusted through the spacing adjustment mechanism; 1. The bottom pipe enters the discharge pipe, and is discharged from the discharge pipe and falls into the deformation hole on the asphalt concrete layer to solidify and form; the invention is easy to operate, and the asphalt concrete road surface is not prone to vehicle slippage in winter.

The invention provides a vortex vibration device. The vortex vibration device comprises a casing, wherein a movable valve plate driven by a driving device to rotate is arranged in the casing, a round vortex chamber is formed in the vibration device, at least one liquid inlet groove is tangentially connected with the vortex chamber, and a vortex chamber outlet is formed in the center of the vortex chamber and connected with a liquid outlet; at least one bypass channel is connected with the liquid outlet; a movable valve liquid inlet hole is formed in the movable valve plate and is communicated with the liquid inlet groove and the bypass channel alternately. With adoption of the structure, the vortex vibration device has the beneficial effects as follows: liquid flow entering the vortex chamber and the bypass channel is changed by movable valve plate and fixed valve plate assemblies, the vibration effect caused by a vortex effect produced in the vortex chamber is better than that caused by open area changes, the vibration effect of the whole vortex vibration device is more obvious, and matching with a spring nipple or a jar in a drilling process is not needed.

The invention relates to a low-pressure-loss downhole vibration acceleration tool. According to the technical scheme, the low-pressure-loss downhole vibration acceleration tool is composed of a pressure pulse generation tool and an amplitude amplification tool. The pressure pulse generation tool is internally provided with a moving valve slice which is driven by a turbine to rotate, the rotating speed of the moving valve slice is adjusted through a deceleration turbine, a U-shaped vortex vibration device is arranged on the lower portions of a moving and fixed valve group, flow channels are switched continuously through the moving valve slice, so that fluid in a circular vortex cavity is switched between a vortex state and a non-vortex state, when the fluid in the vortex cavity is in the vortex state, the upper part of the pressure pulse generation tool is in a high pressure state, and when the fluid in the vortex cavity is in the non-vortex state, the upper part of the pressure pulse generation tool is in a low-pressure state, so that periodic pressure pulses in the pressure pulse generation tool are generated; and the amplitude amplification tool is connected to the upper part orthe lower part of the pressure pulse generation tool to enable a bottom hole assembly to generate periodic axial vibration, the friction resistance between a drill string and a shaft wall is effectively improved, and the drilling speed is improved.