52results about How to "Avoid breaking" patented technology

The invention relates to an access control barrier, in particular to an anti-collision access control barrier. The technical problem to be solved by the present invention is to provide an anti-collision access control barrier that can effectively prevent the barrier bar from being accidentally broken and reduce maintenance costs. In order to solve the above-mentioned technical problems, the present invention provides such an anti-collision access control gate, including a barrier gate installation frame, etc.; The front side of the lifting device is provided with a barrier bar, and the ground on the right side of the barrier gate installation frame is provided with a shock-absorbing support device, and the upper part of the shock-absorbing support device is in contact with the right part of the barrier bar. The present invention achieves the effect of protecting the road gate bar from being easily deformed by providing a shock-absorbing support device. By providing protrusions, grooves and pin shafts, the three cooperate with each other to protect the road gate bar from being easily broken and the vehicle from being easily scratched. flower effect.

The invention relates to the field of brick tea production equipment, in particular to feeding equipment of a brick tea semi-automatic production device. The feeding equipment comprises a material bin. A lifting plate capable of vertically ascending and descending is arranged in the material bin. A brush roller is arranged at the top of the material bin. A brush roller drive motor for driving thebrush roller to rotate is arranged on one side of the top of the material bin. A drive mechanism and a belt transmission mechanism which are used for driving the brush roller to move in the length direction of the material bin are arranged on the two sides of the material bin. A guide plate is arranged at the position, corresponding to the stroke tail end of the brush roller, of one end of the topof the material bin. According to the feeding equipment, the material bin is adopted for storing raw materials; the lifting plate is arranged in the material bin and ascends and descends through drive of a lead screw; the lifting plate pushes the raw materials in the material bin to be gradually lifted; through the rotary brush roller, one part of raw materials lifted to the position above the upper end face of the material bin are swept into a mold; by means of the design of the brush roller, tea crushing can be avoided; and the lead screw is adopted for driving the lifting plate to be lifted, and the feeding quantity of every time can be effectively controlled.

The invention discloses an impurity removal device and method for tea leaf processing. The impurity removal device for tea leaf processing comprises a machine base, a screening base and a vibrating motor. The vibrating motor is arranged at the bottom of the screening base, a plurality of guide rods are arranged at the bottom of the screening base, and the bottoms of the guide rods are movably inserted into the machine base. Supporting springs are arranged between the screening base and the machine base and sleeve the guide rods. A top plate of the screening base is arranged in an inclined mode, and a plurality of impurity removal through holes are uniformly formed in the top plate of the screening base. A material falling frame and a discharging opening are arranged at the two ends of thetop of the screening base correspondingly. A screening and feeding hopper is arranged at the upper end of the material falling frame, and an impurity removal and discharging valve is arranged in the discharging opening. A limiting plate which moves up and down is arranged between the material falling frame and the discharging opening, and the limiting plate and the top plate of the screening baseare arranged in parallel. The upper end of the limiting plate and a driving mechanism are connected to achieve adjustment of the position in the up-and-down direction, and a tea leaf sliding channel is formed between the limiting plate and the screening base. The impurity removal device and method for tea leaf processing have the advantages that the degree of automation is high, automatic impurityremoval can be conducted on tea leaves, the integrity of the tea leaves is kept in the impurity removal process, breakage is avoided, and the quality of the tea leaves is improved.

The invention discloses a high-safety intelligent cutting device. The high-safety intelligent cutting device comprises a bottom plate; supporting columns are fixedly connected to the two sides of thetop of the bottom plate correspondingly; a supporting plate is fixedly connected to the tops of the supporting columns; a cutting apparatus is fixedly connected to the bottom of the supporting plate;a transmission case is fixedly connected to the top of the bottom plate; a motor is fixedly connected to the back surface of an inner cavity of the transmission case; a transmission disc is fixedly connected to the output end of the motor; a transmission pin is fixedly connected to the transmission disc; a transmission frame is connected to the surface of the transmission pin in a sleeving mode; the two sides of the transmission frame are in sliding connection with the two sides of the inner cavity of the transmission case correspondingly; damping mechanisms are fixedly connected to the two sides of the top of the inner cavity of the transmission case correspondingly; the tops of the damping mechanisms are fixedly connected with the bottom of the transmission frame; and transmission columns are fixedly connected to the two sides of the top of the transmission frame correspondingly. By means of the high-safety intelligent cutting device, the transmission columns are driven by the transmission frame to move upwards and extend to the top of a cutting blade, the effect that a user can be prevented from being accidentally injured is achieved, and the using safety is improved.

The invention provides a suction nozzle structure. The suction nozzle structure is characterized by comprising a base, a suction nozzle body and a supporting part; the suction nozzle body is arranged on the base; the supporting part is provided with a supporting face located around the suction nozzle body; the suction nozzle body is used for adsorbing a substrate; and the suction nozzle body and the supporting face are used for supporting the substrate jointly. In order to overcome the defects in the prior art, the suction nozzle structure is provided for supporting in movement of glass.

The invention discloses a metal plate stamping die which comprises an upper die plate, a lower die plate, guide column devices, a male die and a female die assembly. The upper die plate is connected with the lower die plate by the guide column devices; the male die is arranged on the lower side of the upper die plate; the female die assembly is arranged on the lower die plate; the female die assembly comprises two female die blocks, a bottom plate and positioning blocks; the bottom plate is arranged between the two female die blocks; each female die block is higher than the bottom plate; each positioning block is arranged on the corresponding female die block; joint corners of two side surfaces and the lower surface of the male die are rounded corners; joint corners of the inner side surfaces and the upper surfaces of the female die blocks are rounded corners. The metal plate stamping die has the advantages that good stamping effects can be realized, the stamping quality can be improved, and the metal plate stamping die is high in stamping efficiency and suitable for stamping metal plates on a large scale.

The invention discloses a hydraulic fixture based on a progressive forming machine tool. The hydraulic fixture based on the progressive forming machine toolis characterized by including a support table, an upper support plate, a lower support plate, an upper pressing plate, a lower pressing plate, a hydraulic device, guide pillars and guide sleeves, wherein the lower ends and the upper ends of thefour guide pillars are cold-pressed into the support table and the upper support plate correspondingly, the lower support plate is arranged between the support table and the upper support plate, andthe lower support plate is assembled through the guide pillars and the guide sleeves; the upper pressing plate and the lower pressing plate are correspondingly installed on a lower frame of the uppersupport plate and an upper frame of the lower support plate; the hydraulic device is arranged between the lower support plate and the support table, and two ends of the hydraulic device are correspondingly connected with the support table and the lower support plate through fasteners. The edge-pressing force of the four sides of each pressing plate is independent of each other so that the pressingplates of the hydraulic fixture based on the progressive forming machine tool can be simultaneously controlled and also can be correspondingly controlled and the edge-pressing force can be changed over time in the machining process; by reducing the edge-pressing force of the pressing plates, the fluidity of the plate material is strengthened, the plate material is convenient to feed in the machining process, the break of the plate material is avoided in the machining process, and the formability performance of the plate material is significantly improved.

The invention provides a clamp-breaking prevention scarification tooth which comprises a tooth disc and scarification tooth bodies. A through hole is formed in the center of the tooth disc. An inward-concave annular groove is formed in the ring face of the tooth disc. The number of the scarification tooth bodies is at least three. Each scarification tooth body comprises a tooth rod and a tooth top. The tooth rods are inserted and arranged in the annular groove in the radial direction of the tooth disc. A reset spring is arranged at the position, corresponding to each tooth rod, of the groove bottom of the annular groove. One end of each reset spring is fixedly connected to the groove bottom. An ejector block is arranged at the other end of each reset spring. Each ejector block is connected with the corresponding tooth rod. The clamp-breaking prevention scarification tooth is simple in structure and reasonable in design. During hard soil layer operation, switching of the scarification tooth can be achieved, the situation that the scarification tooth is broken off due to too large resistance is avoided, and the service life of a scarifier is prolonged.

The invention relates to the field of silicon wafer processing and particularly relates to a silicon wafer continuous extraction device, which comprises an adsorption extraction assembly. The adsorption extraction assembly comprises a vacuum distributor and an adsorption tray; an output shaft of the vacuum distributor is connected with the adsorption tray; an angle adjusting assembly comprises anangle adjuster and a mounting base; a support frame is arranged at the side part of the vacuum distributor; the angle adjuster is mounted on the support frame; a mounting frame is arranged on the support frame; one end of the mounting base is hinged with the mounting frame; the other end of the mounting base is hinged with an output shaft of the angle adjuster; the vacuum distributor is mounted onthe mounting base; a height adjusting assembly comprises a height adjuster; the height adjuster is fixed on the mounting base; an output shaft of the height adjuster is in transmission connection with the vacuum distributor and the vacuum distributor is driven to be close or away from the mounting frame. The grooves of the tray body can allow overflowing glue to flow in, so that the situation that the glue leaks between the silicon wafer and the tray body and blocks the suction holes of the tray body to cause reduction of an adsorption force is avoided, and the situation in which the siliconwafer shakes and is broken due to insufficient adsorption force is prevented.

The invention discloses a rare earth polishing disc which has high cutting efficiency, good wear resistance property and high surface brightness. To be different from the existing polishing disc, the rare earth polishing disc mainly comprises rare earth polishing powder, resin, magnesium sulfate or white sugar, curing agent and accelerating agent, wherein the rare earth polishing powder comprises the following compositions in percentage by weight: more than or equal to 60 percent but less than or equal to 99.99 percent of cerium oxide, and more than or equal to 0.01 percent but less than or equal to 40 percent of lanthanum oxide, the content of the rare earth polishing powder can achieve 65 percent, the relative particles of the rare earth polishing powder is small, the brightness of a polished object can be greatly improved compared with the original polishing disc, and the polishing time of the surface of a product can be shortened to be about 0.6 second, so that the working efficiency is improved, the wear resistance property is greatly improved, 1,000-1,200 NO.40 crystal balls can be polished by the original polishing disc with the same size, while the rare earth polishing disc can polish 4,000 NO.40 crystal balls.

The invention discloses a four-point bending fixture of a thin plate for high stress loading and a loading method thereof. The fixture comprises a fixture body. The fixture body comprises a horizontalbottom plate, vertical side plates arranged on the two sides of the horizontal bottom plate and fixedly connected with the two sides of the horizontal bottom plate, and two top plates arranged at thetops of the vertical side plates on both sides and arranged to face each other; a horizontal bottom plate, two side vertical side plates and two top plates encloses a top-opened accommodating cavity,and the cross section of the accommodating cavity is in a rectangle shape; a loading block is arranged in the accommodating cavity and arranged in parallel with the horizontal bottom plate for carrying a thin plate sample, a loading force hole is arranged at the center of the bottom of the loading block, a loading screw is arranged at the center of the horizontal bottom plate, the top end of loading screw vertically penetrating through the horizontal bottom plate can be embedded in the loading force hole of the loading block to butt. The fixture of the invention can place the thin plate sample between the loading block and the two top plates, can effectively avoid problems of unstable loading of the thin plate sample or ejection of the sample and the like.

The invention relates to the technical field of horizontal well cable protection, in particular to a horizontal well cable protection device and an application method. The horizontal well cable protection device comprises an outside well pulley bracket, an inside well pulley bracket, an an outside well pulley and an inside well pulley. The outside well pulley bracket and the inside well pulley bracket are fixedly connected. The lower end of the inside well pulley bracket is of a triangle structure connected with a well head edge corner in a matching mode. The inside well pulley is rotatably connected with the inside well pulley bracket. The outside well pulley is rotatably connected with the outside well pulley bracket. The left end of the outside well pulley bracket is fixedly connected with a magnetic marker. The center lines of the magnetic marker, the inside well pulley and the outside well pulley are positioned in the same plane. The left end of the outside well pulley bracket isfixedly connected with a compression air pipe. An air outlet of the compression air pipe is located between the magnetic marker and the outside well pulley. Friction loss of the cable can be lowered,the cable can be cleaned, cable corrosion can be avoided, and meanwhile influence on detection accuracy of the magnetic marker by metal impurities is avoided.

The invention discloses an angle adjustable cutting device for plastic-steel door and window machining. The angle adjustable cutting device for plastic-steel door and window machining comprises a base. The sides, close to each other, of vertical extending plates at the left end and the right end of the base are both provided with T-shaped sliding rails. The front end and the rear end of the top ofthe base are connected with fixed ends of two parallel first electric extensible and retractable rods correspondingly. The extensible and retractable ends of the two first electric extensible and retractable rods are connected with the front end and the rear end of the bottom of a fixing chamber correspondingly. The left side and the right side of the fixing chamber are provided with T-shaped sliding strips which are vertically distributed. The two T-shaped sliding strips are in sliding connection with the two T-shaped sliding rails correspondingly. According to the angle adjusting cutting device, the situation that a plastic-steel door and window deviates during machining, and the cutting angle is changed can be prevented, meanwhile, a pointer rotates, the rotation angle can be determined, angle contrasting can be carried out, defective materials can be prevented from dropping out and are cleaned conveniently, the stability of the device is improved, buffering is carried out, a cutting piece can be prevented from excessively cutting into the plastic-steel door and window, and then the situation the cutting device is fractured and clamped on the plastic-steel door and window is prevented.