34results about How to "Avoid head-to-head" patented technology

The invention belongs to the technical field of building equipment, and in particular relates to a secondary stirring device with good protection performance for building. The secondary stirring device aims at solving the problems of low protection performance of a stirring rod, low stirring efficiency and poor stirring effect. The secondary stirring device comprises a bottom plate. A water tank and a tank body are welded to the top outer wall of the bottom plate, and a water pump is fixed on the top outer wall of the water tank by bolts. A first motor is fixed on the top outer wall of the tank body by bolts, and a first transmission rod is welded to the bottom of an output shaft of the first motor. The secondary stirring device can drive the stirring rod to rotate by a hinge when a hard object is encountered, and the angle is adjusted avoid hard contact with the object. The safety of the stirring rod is improved, the stirring device can spray water during the stirring, the stirring efficiency is improved, and the stirring device can spray water to clean the tank body after stirring to facilitate next use. The stirring device can drive a second transmission rod and stirring bladesto rotate to stir raw materials again, and the stirring effect of the device is improved.

The invention relates to a safety telescopic guardrail, and belongs to the technical field of traffic facilities. The safety telescopic guardrail comprises an end road barrier, a primary road barrier, multiple secondary road barriers, telescopic parts, connecting parts and cross rods. The telescopic parts are formed by connecting the first telescopic parts and the second telescopic parts which can be dislocated, one end of each first telescopic part is connected with the end road barrier, the other ends of the first telescopic parts are connected with the second telescopic parts through the primary road barrier, and the second telescopic parts penetrate into the adjacent secondary road barrier of the primary road barrier. The adjacent secondary road barriers are connected through the cross rods, the cross rods are composed of the first cross rods and the second cross rods, and the first cross rods and the second cross rods are connected through the connecting parts. The safety telescopic guardrail is used for guardrail connection on occasions such as expressways and city highways, and has the advantages of being high in practicality and safety, capable of being bent and adjusting the distance and the like.

The invention relates to a double-effect damage prevention roller treatment device. Treatment plates provided with spring rods are arranged on the side wall of a roller, and springs of the treatment plates can be compressed, so that gaps between the treatment side wall on the periphery of the roller and roller teeth are larger; a plurality of groove holes are formed in the treatment roller, the roller teeth are embedded in the groove holes, and the springs and sleeves are arranged on the lower portions of the roller teeth; and the roller teeth can retract into the groove holes when bearing thelarge external force action, accordingly damage of the roller teeth due to overlarge external force is avoided, and thus the roller teeth can be preserved. After chunks of materials or materials beyond the treatment capacity of the roller are discharged from the roller, the springs push the roller teeth out of the groove holes again, the tooth top faces of the roller teeth are higher than the outer edges of the groove holes, and treatment work conforming to the treatment capacity of the roller is conducted. In addition, the springs with different maximum elastic force can be further replacedaccording to the different treatment materials, so that the adaptability of the roller is further improved.

The invention discloses a novel decorating machine. The novel decorating machine comprises a table rack, a printing arm, a cylinder, an extension spring, an elastic table plate, a screen frame, a scraper, and a screen frame fixing device, wherein the table rack comprises a rack leg and a fixed arm fixed on the rack leg, the fixed arm is linear, the rack leg wounds the periphery of the fixed arm, one end of the printing arm is hinged to the lower portion of the fixed arm, a piston rod of the cylinder extends out of one end of a cylinder body of the cylinder to be hinged to the upper end of the fixed arm, the other end of the cylinder body of the cylinder is hinged to the middle of the printing arm and is in sliding match with the printing arm in the direction of the length of the printing arm, one end of the extension spring is connected with the middle of the fixed arm, the other end of the extension spring is connected with the printing arm through a sliding plate, the sliding plate is in sliding match with the printing arm, and the bottom of the elastic table plate is in sliding match with the rack leg. The novel decorating machine is capable of buffering the action performed by the cylinder to lift or press the printing arm, greatly reducing vibration by the aid of an elastic force produced by the elastic table plate, and improving register accuracy.

The invention relates to an anti-damage roller pressing and grinding device. Multiple groove holes are formed in a processing roller, wherein roller teeth are embedded in the groove holes, and springsand sleeves are arranged at the lower parts of the roller teeth; and the roller teeth can retract into the groove holes when being subjected to large external force, so that the roller teeth are prevented from being damaged by too large external force, and the roller teeth can be preserved. According to the anti-damage roller pressing and grinding device, when materials which are large in size orexceed the processing capacity of the roller are discharged from the roller, the springs are used for pushing the roller teeth out of the groove holes again, so that the tooth top surfaces of the roller teeth are higher than the outer edges of the groove holes, and the processing work conforming to the processing capacity of the roller is carried out; and in addition, the springs with different maximum elasticities can be replaced according to the different processed materials, so that the adaptability of the roller is further improved.

The invention relates to an anti-damage roller treating device. A treating roller is provided with a plurality of groove holes; roller teeth are buried in the groove holes; the lower portions of the roller teeth are provided with springs and sleeves; and when the effect of large external force is applied to the roller teeth, the roller teeth can retract into the groove holes, and therefore it is avoided that because the external force is too large, the roller teeth are damaged, and the roller teeth are protected against damage. When a large material or a material exceeding the treating capacity of the roller is discharged out of the roller, the roller teeth are ejected out of the groove holes by the springs again, the tooth top faces of the roller teeth are made to be higher than the outeredges of the groove holes, and the treating work conforming to the treating capacity of the roller is performed. Besides, springs with different maximum elastic force can be replaced according to different treated materials, and the adaptability of the roller is made further improved.

The invention relates to an automobile brake pad adopting carbon fiber reinforced composite material, comprising a brake pad base material and a friction pad, the rear part of the brake pad base material is provided with a heat dissipation and sound-absorbing cavity; the outer periphery of the friction pad on the brake pad base material is provided with There is a hard surround; the hard surround is connected to the central friction plate located in the middle of the brake pad base material through the heat transfer sheet; the hinge joint is installed inside the heat dissipation and sound-absorbing cavity, and the heat-dissipating sound-absorbing shrapnel is arranged between the hinge joints; the heat dissipation The middle part of the sound-absorbing shrapnel is provided with a fixed connection spring, and the fixed connection spring is connected to the back of the base material of the brake pad; in the present invention, the carbon fiber modified resin is mixed with carbon fiber, and then other high-strength, high-hardness, and high-toughness materials are added to improve the In order to improve the rigidity, toughness and thermal conductivity of the brake pad, the present invention subtly divides the whole brake pad into four parts, and the four friction pads all brake the wheels at the same time. Tablet wear resistance and practicality.

The invention provides a production method of a high-carbon high-chromium stainless steel coil. On the basis of total weight of the high-carbon high-chromium stainless steel coil, the carbon content is at 0.90-1.0%, and the chromium content is at 17.0-19.0%. The production method includes sequentially heating, rolling, coiling, cooling and annealing high-carbon high-chromium stainless steel coil blanks, and rolling includes rough rolling, intermediate rolling, pre-finish rolling and finish rolling. The production method is characterized in that inlet rolled piece temperature of pre-finish rolling is at 1000+ / -10 DEG C, and inlet rolled piece temperature of the finish rolling is at 1100+ / -10 DEG C. By the production method, the high-carbon high-chromium stainless steel coil can be obtained with rolling yield higher than 90%.

The invention relates to a multi-stage anti-damage roller pressing and grinding device. A plurality of slots are formed in a treatment roller, roller teeth are buried in the slots, springs and sleevesare arranged at the lower parts of the roller teeth, the roller teeth can retract into the slots under the action of larger external force, damage to the roller teeth due to too large external forceis avoided, and the roller teeth are protected. The treatment roller is divided into a plurality of different areas in the advancing direction of processing materials sequentially, each area comprisescorresponding slots, roller teeth as well as the sleeves and springs which are matched with the roller teeth, and the springs in different areas have different maximum elastic force. Besides, the springs with the different maximum elastic force can be replaced according to different treatment materials, so that the adaptability of the roller is also further improved.

The invention discloses an electric wire and cable transportation and paying-off vehicle, and relates to the technical field of electric power line erection work tools. The electric wire and cable transportation and paying-off vehicle comprises wheels, a vehicle frame and a towing tractor connecting buckle arranged on the front portion of the vehicle frame, wherein symmetrical line penetrating shaft lifting mechanisms are arranged on stand columns on the two sides of the vehicle frame respectively, each line penetrating shaft lifting mechanism comprises a lifting frame which is provided with more than one opening type clamping groove, the lifting frames are in slide fit with the stand columns, the lifting frames are connected with rope rollers on the two sides of the vehicle frame and lifting self-locking driving mechanisms on the two sides of the vehicle frame through steel wire ropes and fixed pulleys at the upper ends of the stand columns, and line penetrating shafts are arranged in the corresponding opening type clamping grooves on the two sides respectively and provided with line penetrating shaft anti-slipping mechanisms respectively. The device is simple in structure, allows spools to be conveniently hoisted, transported and paid off, saves time, labor and cost, is accurate, safe and high in efficiency, and meets the actual requirements for spool transportation and paying off.

The invention relates to a safety telescopic guardrail, and belongs to the technical field of traffic facilities. The safety telescopic guardrail comprises an end road barrier, a primary road barrier, multiple secondary road barriers, telescopic parts, connecting parts and cross rods. The telescopic parts are formed by connecting the first telescopic parts and the second telescopic parts which can be dislocated, one end of each first telescopic part is connected with the end road barrier, the other ends of the first telescopic parts are connected with the second telescopic parts through the primary road barrier, and the second telescopic parts penetrate into the adjacent secondary road barrier of the primary road barrier. The adjacent secondary road barriers are connected through the cross rods, the cross rods are composed of the first cross rods and the second cross rods, and the first cross rods and the second cross rods are connected through the connecting parts. The safety telescopic guardrail is used for guardrail connection on occasions such as expressways and city highways, and has the advantages of being high in practicality and safety, capable of being bent and adjusting the distance and the like.

The invention relates to a multi-stage anti-damage roller smashing device. A treating roller is provided with a plurality of groove holes; roller teeth are buried in the groove holes; the lower portions of the roller teeth are provided with springs and sleeves; and when the effect of large external force is applied to the roller teeth, the roller teeth can retract into the groove holes, and therefore it is avoided that because the external force is too large, the roller teeth are damaged, and the roller teeth are protected against damage. The treating roller is sequentially divided into a plurality of different areas according to the marching direction of a machined material; each area is internally provided with the corresponding groove hole, the corresponding roller tooth, the corresponding sleeve and the corresponding spring, and the sleeve and the springs are matched with the roller teeth; and the springs in different areas have different maximum elastic force. Besides, the springswith different maximum elastic force can be replaced according to different treated materials, and the adaptability of the roller is made further improved.