49results about How to "Labor-saving processing" patented technology

The present invention relates to a cloth-plastic hot-water bag and its processing method. Said hot-water bag is composed of bag body, bag mouth and bag plug. The described bag body possesses internal layer, external layer and heat-insulating layer, the edge of said bag body has bonded strip. The described bag plug is formed from screw plug socket and screw plug cover, the external wall of said screw plug socket has a composite layer and said screw plug cover is equipped with a gasket seal.

The invention discloses a pipe bender. According to the pipe bender, the angle of force applying handles can be conveniently and rapidly adjusted in the pipe bending process, so that more labor is saved when a pipe is bent, and the technical problems that when the pipe is bent from 90 degrees to 180 degrees in the prior art, force is applied difficultly by an operator due to the fact that the two handles are close to each other continuously, and the pipe bending efficiency and quality are seriously affected are solved. The pipe bender comprises the fixed handle and a pipe bending disc arranged at one end of the fixed handle. A pipe press head capable of clamping a copper pipe and rotating along the annular face of the pipe bending disc is rotationally connected to the pipe bending disc. The pipe press head is rotationally connected to the inner side end of the pipe press handle through a long arc-shaped hole and a rotary shaft penetrating into the long arc-shaped hole in a sliding mode. The outer side end of the pipe press handle extends outside the pipe press head corresponding to the upper portion of the fixed handle. A front press rotary pin and a rear press rotary pin are arranged side by side at the portion, close to the long arc-shaped hole, of the pipe press head. The pipe press handle horizontally abuts against the front press rotary pin or the rear press rotary pin or perpendicularly penetrates through the portion between the front press rotary pin and the rear press rotary pin to drive the pipe press head to rotate along the outer ring face of the pipe bending disc.

The invention discloses a steel-skeleton polyurethane foaming chair which comprises a chair seat board and a back board, with chair legs being connected under the seat board, and is characterized in that the seat board and the back board are polyurethane foaming layers in which steel skeletons are embedded; the steel skeletons are steel pipes at the both sides of the back board and the seat board and the steel pipes at the both sides are connected by transverse steel sheets; the steel pipes and the steel sheets are fixed through the welding or the connection with rivets. Since the steel skeletons are embedded in the seat board and the back board, good rigidity, high mechanical strength and large bearing capacity of the steel skeletons can ensure that the chair can firmly stand and bear large pressure; furthermore, the polyurethane foaming layers are soft, elastic, smooth and slightly rough and can provide a soft and comfortable feeling for human bodies and are breathable; additionally, the chair wall is thicker than a plastic plate and the chair has an artistic appearance and can be applicable to houses, offices and hotels with a broad range of application and high grade.

The invention discloses an evaporative pattern casting process of high-chrome wear-resistant castings. The evaporative pattern casting process is less in air pollution, high in casting quality and lower in cost. The evaporative pattern casting process of the high-chrome wear-resistant castings comprises the following steps that model making is carried out, a foam plastic plate is cut and glued to manufacture a foam plastic model, the foam plastic model is placed into a cavity of a standard mold to be subject to comparison, and the foam plastic model is machined and corrected through an electric heating wire cutting device; the model is combined into a cluster; the model cluster is baked, is placed into a drying chamber to be dried, and is taken out from the drying chamber to be cooled, air exchange in the drying chamber is achieved, and baking is repeatedly executed three times; coating applying is carried out, the surface of the model cluster obtained after baking is coated with a fireproof coating, then the model cluster is placed into a baking room to be dried and is taken out from the baking room to be cooled, air exchange in the baking room is carried, and coating applying is repeatedly carried out three times; box embedding modeling is carried out, a sand box opening is covered with asbestos cloth, the asbestos cloth is covered with a plastic film for sealing, and dry sand in a sand box is vacuumized; casting replacement is carried out; and shakeout piece taking is carried out.

The utility model provides a bar-shaped embedding chair which comprises chair legs, a seat plate and a chair backrest, wherein the seat plate and the chair backrest comprise plate strips and connecting strips; the chair legs comprise front chair legs, rear chair legs, transverse brackets and backrest brackets; embedding slots A or embedding strips are arranged at the internal sides of the upper parts of the transverse brackets, the backrest brackets and the front chair legs; an embedding slot B is arranged at each of two sides of each plate strip; the embedding slots A and the embedding slotsB are matched with the connecting strip; the embedding strips are matched with the embedding slots B; fixed holes are arranged respectively in the chair legs, the plate strips and the connecting strips; and fixed rods are arranged in the fixed holes. The seat plate and the chair backrest are manufactured into the split plate strips and connecting strips; all the plate strips and the chair legs are connected by all the connecting strips so as to splice the whole chair; and subsequently the chair is fixedly connected with the fixed rods. The plate strips and the connecting strips and / or the chair legs are connected with one another in an embedded way, the chair is convenient to install, is firm, stable and durable for use, all strips can be disassembled when the chair is not in use, furthermore, the chair is extremely easy for manual operation and has small volume.

The invention discloses a plate cutting machine and a plate cutting method. The plate cutting machine comprises a left cutting platform and a right cutting platform, the right cutting platform is arranged on one side of the left cutting platform, a rubber pad is arranged on the top of each of the left cutting platform and the right cutting platform, a bearing bottom plate is fixedly arranged at the bottom of each of the left cutting platform and the right cutting platform, each of a first plate moving mechanism and a second plate moving mechanism are arranged at the bottom of the bearing bottom plate and comprises a first motor, a screw rod is arranged on each first motor, a mounting block sleeves each screw rod, an air cylinder is fixedly arranged at the top of each mounting block, a rubber sucker is fixedly arranged at the top of each air cylinder, an air suction pipe is arranged on each rubber sucker, and a hose is arranged at the end of each air suction pipe. The plate cutting machine is reasonable in design, more labor saving in plate machining, capable of avoiding plate deviation and ensuring the plate cutting effect and highly practical.

The invention discloses auxiliary machining equipment for an end rolling machine, relates to the technical field of steel end rolling equipment, and aims to solve the technical problems of inconvenient machining of small steel by a general end rolling machine and influence on the production aging of enterprises due to great reduction of the steel end rolling efficiency by operators through the endrolling machine caused by inconvenient lifting due to longer steel. The equipment comprises a horizontal rod and a support frame of a bottom support base; large steel is supported through the supportframe; the operators introduce the steel into a frame for machining with saved power in a mode of rolling the steel on the horizontal rod to guarantee the machining efficiency; a guide roller and a collecting frame are provided; through rotation of the guide roller, the operators quickly introduce the steel into the frame for machining with saved power; and the collecting frame is convenient forquick collection of the machined steel, so that the efficiency of machining the steel by the operators is further guaranteed, and the effect of greatly improving the efficiency of the operators machining the steel with different sizes through the end rolling machine is achieved.

The invention discloses a preparation method of emamectin benzoate effervescent tablets. The emamectin benzoate effervescent tablets comprise the following components in percentage by mass: 1-5% of an emamectin benzoate active compound, 10-20% of an acid source, 10-20% of an alkali source, 2-6% of a dispersant, 2-4% of a wetting agent, 2-6% of an adhesive, 3-20% of a disintegrant and 19-70% of stuffing. The preparation method comprises the following steps: (1) uniformly mixing and adding the raw materials into a crusher to be crushed to obtain powder; and (2) adding the powder into a tablet press to tablet. The emamectin benzoate effervescent tablets have the characteristics of being simple to process, accurate to meter, stable in performance, convenient to store, convey and use, good in safety and the like, and meanwhile, solves the problem that emamectin benzoate is easily optically degraded, and the storage period of the preparation is prolonged.

The invention relates to a small reinforcing steel bar looping device, in particular to a small reinforcing steel bar looping device for a construction site. The invention provides the small reinforcing steel bar looping device for the construction site which is capable of automatically manufacturing annular reinforcing steel bars and high in working efficiency. The small reinforcing steel bar looping device for the construction site comprises a first fixing plate, first supporting rods, first L-shaped rods, a discharging mechanism, a feeding mechanism and the like, the first supporting rods are arranged on the left side and the right side of the left portion of the first fixing plate, the first L-shaped rods are arranged on the front side and the rear side of the left portion of the first fixing plate, the discharging mechanism is arranged on the rear side of the right portion of the first fixing plate, and the feeding mechanism is arranged between the first supporting rods and the first L-shaped rods. According to the small reinforcing steel bar looping device, through mutual cooperation of the discharging mechanism and the feeding mechanism, people place the reinforcing steel bars on a feeding part, then people push the reinforcing steel bars to a discharging disc, then the discharging disc is rotated to form the reinforcing steel bars into an annular shape.

The invention provides a self-priming ejector pump movable sheet check valve, comprising a motor, wherein the motor is connected with a pump body, the pump body comprises a water inlet and a water outlet. the check valve is characterized in that the water inlet is connected with a valve seat, a valve hole is arranged in the valve seat, the valve hole is connected with the water inlet pipe, the valve seat is provided with a round pit, the inside of the pit is provided with a rubber sheet seat, the rubber sheet seat is connected with a rubber valve sheet, and the rubber valve sheet is matched with the valve hole of the valve seat. Compared with the prior art, the self-priming ejector pump movable sheet check valve has the following advantages that: firstly, a shallow pit in the valve seat which is connected with the water inlet is provided with the rubber sheet seat, which is favorable for assembling and determining the position of the valve sheet and improving sealing performance; secondly, the sheet seat made by rubber is connected with the valve sheet, which has the advantages of good integral formation, convenient installation, no rust of rubber materials and long service life; thirdly, the rubber is elastic, thereby having reliable sealing for the valve hole fitting and stable working; fourthly, the rubber sheet seat is connected flexibly with the valve sheet, thereby having small resistance in the process of entering water, easily opening and closing and less consumption; fifthly, the self-priming ejector pump movable sheet check valve has the advantages of simple construction, labor conservation of processing, convenient installation, easy maintenance and easy replacement; sixthly, the check valve has wide adaptability; at last, the check valve also has the advantages of cost economization and low cost.

The invention discloses a student chair stool suitable for forward or leftward or rightward sliding of a storage container. The student chair stool comprises a chair stool seat board. Support legs areinstalled under the seat board. The bottom of the support legs is provided with bottom legs. The bottom legs are provided with a # type sliding bracket. The sliding bracket is provided with the storage container. The storage container is in the sliding fit with the sliding bracket. The storage container can be forwards or leftwards or rightwards slid. One or more than one caster is installed below the front part of the storage container. The caster contacts with the ground. So a space under the student chair stool can be effectively used, the capacity of placing books is increased, and a problem that many and disordered books are placed on a student desk is solved. In addition, the different sliding directions of the storage container can be selected according to the arrange situation ofthe desks and chairs in a classroom, for example, if the front and rear space of the desks and the chairs is larger, the installed storage container is forwards slid; and if the space of the left sideor the right side is large, the storage container is leftwards or rightwards slid. The use is flexible.