Abstract: The present utility model relates to a stone edge grinding machine, including a bearing frame, a rocker arm system and a grinding wheel system, wherein: the said bearing frame comprises a base plate, a shaft fixed on the center of the base plate, a workbench connected fixedly to the top end of the shaft and a bracket mounted above the workbench in an order from bottom to top; the big end of rocker arm at one end of the said rocker arm system is sleeved rotatably on the shaft by a bearing, and the other end of the rocker arm system is joined with the grinding wheel system; the said grinding wheel system includes a grinding wheel and an electric motor with the grinding wheel mounted thereon. The said grinding wheel system further comprises a center idler wheel which is mounted coaxially above the grinding wheel. Side idler wheels are mounted along the outer flank of the grinding wheel in a horizontal plane.

Abstract: An automatic feeding device for a stone edge grinding machine, in which one end of the worm is connected to a stepping motor, and the other end of the worm is connected to a slipping sleeve which enables the worm to engage with or disengage from a worm gear mounted on a transmission screw rod, the transmission screw rod being connected to a head with an edge grinding wheel, has the advantages of conveniently and precisely adjusting the feeding amount, low impact, stable transmission, low noise, irreversible transmission to avoid the manual operation error, simple structure, and convenience in transmission and detachment of the power, and has the function of the self protection of overloading and compensating the excessive instruction automatically, and it has a long useful life.

Abstract: An electromotive bed, having a bed body, the bed including a mattress having a pair of rectangular through holes extending therethrough in middle upper portion of the mattress and disposed in the direction of the width of the mattress; a respective supporting block mounted rotatably to move between a position in which the block protrudes upward through each respective through hole and a position in which the block does not protrude through the through hole, the block comprising at least two pin receiving holes therein, and a shaft pin insertable in the holes to provide a pivot mounting about which block rotates, the block also having a slit extending into the block; and a deflector arm having a deflector rod that contacts the slit, wherein the deflector arm is adapted to be driven by a load transfer device in order to pivot the block between the first and second positions; wherein the mattress also comprises an additional hole, and wherein the bed also includes a defecation device below the additional hole, t

Abstract: This invention is concerning with a kind of electromotive bed, on which a turnover device and a defecation device are installed, of which, the turnover device includes: a turnover supporting block; on which a plurality of shaft pin holes are formed bilaterally on the upper side and in which two holes are equipped separately with a shaft pin, and the turnover supporting block can be fixed rotatably in through holes with the shaft pins; a defector rod inserted in a slit opened in the lower portion of the turnover supporting block along the center line, and the other end of which connects to a deflector arm connecting to a load transfer device; the defecation device includes: a porefilling pad that can be contained in a hole, having a sleeve formed on its bottom surface; a spacer sleeve formed between the porefilling pad and a mattress; a sealed cowling fixed on the soleplate under the hole with its bottom hermetically connecting to a closestool; a mechanical linkage device connecting to the porefilling pad via