3483results about How to "Labor-saving operation" patented technology

The invention relates to an automatic washing and dewatering combined device of a rotary type mop, which comprises the rotary type mop and a washing and dewatering barrel, wherein the washing and dewatering barrel contains a barrel body, a dewatering basket and a lifting and fixing device of the dewatering basket, the lower part of the barrel body is provided with a washing area, the upper part of the barrel body is provided with a dewatering area, and the dewatering basket is arranged in the barrel body; the lifting and fixing device of the dewatering basket is arranged in the barrel body and is also connected with the dewatering basket, and the dewatering basket rotates around a main shaft of the lifting and fixing device of the dewatering basket; when the mop is washed, the dewatering basket is positioned in the washing area at the lower part of the barrel body; and when the mop is dewatered, the dewatering basket is lifted into the dewatering area at the upper part of the barrel body by the lifting and fixing device of the dewatering basket. By the device, the functions of washing and dewatering are integrated according to the design of human body mechanics. The device has the characteristics of small washing and dewatering volume, simple and scientific structure, small water consumption, low manufacturing cost, safe and convenient operation, strong practicability, attractive appearance and the like, and the time and the labor are saved.

The vertical dual-shaft four-cylinder electrohydraulic servo testing machine comprises: a hydraulic pressure drive for dual-direction stress filed, a four-cylinder drive fit to any loading path, a differential close-loop servo system, a function generator fit to different waves, a position transfer device fit to assemble the test piece, a guide plate and linear rail to ensure co-shaft and avoid bending. This invention is very convenient.

The heat insulating mortar powder contains cementing material, foamed modified polystyrene grain, modified expanded pearlite, cementing material modifier and fiber. The foamed modified polystyrene grain contains foamed polystyrene grain, foamed polystyrene modifier and flyash; the modified expanded pearlite contains expanded pearlite, expanded pearlite modifier and sodium hydroxide; and the cementing material modifier contains polymer adhesive, air entraining and water reducing agent and flyash activator. The preparation process includes preparing foamed modified polystyrene grain, preparing modified expanded pearlite, preparing cementing material modifier, and mixing all the materials in certain proportion. The present invention has the advantages of small heat conducting coefficient, high compression strength, good construction performance, high adhering strength, etc.

The invention discloses a preparation method of an activated carbon adsorption film and a method for measuring bisphenol substances in wetland soil or sediment based on a thin-film diffusion gradient technique, and belongs to the fields of environmental sciences and earth sciences. According to the preparation method of the activated carbon adsorption film, the activated carbon adsorption film is prepared by mixing activated carbon as an adsorbent with agar, and then is overlapped on an agar diffusion film and a PTFE filter film to form a DGT device; after nitrogen introduction pretreatment, the DGT device is put into the wetland soil or the sediment to be tested for 24 hours, and then the activated carbon adsorption film is taken out and eluted by use of an eluent which is the mixed solution of methanol and sodium hydroxide; next, the adsorbing capacity of the bisphenol compounds in the adsorption film is measured and the concentration of the bisphenol substances in the wetland soil or the sediment is calculated according to the Fick's first law of diffusion. The preparation method of the activated carbon adsorption film is simple in process, the adsorbent is even in distribution, the adsorbing capacity is high and the quality guarantee period is long; the DGT technique based on the adsorption film is simple and easy to operate and the testing result is representative, and therefore, the DGT technique is suitable for in-situ detection of the bisphenol substances in the wetland soil or the sediment.

The present invention relates to a portable blowing-drawing machine which can be operated by a monolever, and comprises a host shell, an operating handle, a motor arranged in the shell, a fan which is driven by the motor to rotate, a switch for controlling the rotation of the motor, a blowing pipe connected with the host shell and a drawing pipe. The drawing pipe and the blowing pipe are fixedly connected and extend towards one side of the shell; the drawing pipe is provided with a main body part extending along a longitudinal axial line and a bending part which bends at a certain degree with the extending axial line of the drawing pipe; the structure of the drawing pipe ensures the monolever operation becomes easier and more convenient with good effect of dust collection.

The invention relates to a welding fixture for a thin-wall part. In the welding fixture for the thin-wall part, a pedestal is connected with a supporting plate through a connecting shaft; a pressing plate is used for fixing the welded part; a mandrel is fixed in a central hole of the pedestal; the number of positioning blocks is at least four; each positioning block is arranged on the same circumference of the pedestal; the number of pressing blocks is as same as that of the positioning blocks; the pressing blocks are used for fixing the welded part; one end of a positioning shaft is fixed inthe central hole of the supporting plate; a wedge block is arranged on the positioning shaft; a dowel nut is arranged at the thread section of the positioning shaft and is connected with the wedge block; the number of driving parts is at least three; the number of driven parts is as same as that of the driving parts; the number of guide parts is equal to the sum of the number of the driving partsand the driven parts; each driving part and each driven part are placed on the supporting plate along the circumference of the supporting plate at intervals; each guide part corresponding to one driving part or one driven part is fixed on the supporting plate; a first insert is arranged on one driving part; a second insert is arranged on one driven part; and an air tap jack and a vent hole communicated with the air tap jack are formed on each insert.

The invention relates to a welding machine, particularly to an automatic straight pipe flange welding machine which is suitable for both plug-in type flange assembly type welding and butt-joint type flange assembly welding. The automatic straight pipe flange welding machine comprises a base, wherein base guide rails are arranged on the base, a trolley base is arranged on the base guide rails, a control system is arranged on one side of the trolley base, a welding torch machine is arranged on the trolley base and comprises a longitudinal adjusting mechanism, a lateral adjusting mechanism, an inner welding torch mechanism, an outer welding torch mechanism and a roller adjusting mechanism, wherein the inner welding torch mechanism consists of an inner welding torch upright post device and aninner welding torch device, and the outer welding torch mechanism includes an outer welding torch upright post device and an outer welding torch device. The automatic straight pipe flange welding machine has high automatic degree, improves welding efficiency, reduces grinding time and waste of welding materials, guarantees welding quality, and attractive formation of weld seams, is convenient to operate, saves labor, and lightens labor intensity.

The discloses a multifunctional workpiece holder which is characterized by comprising a pedestal, a control assembly, a frame pole assembly, a support pole assembly and a pressing plate, wherein the control assembly mainly comprises a handle, a rocking arm member, a rotating shaft and a driving wheel; the driving wheel is fixed on the forward-backward middle shaft section on the rotating shaft in a tight fit manner and is arranged in a square mounting hole in the pedestal through the rotation of the rotating shaft; one end of the rocking arm member is fixedly connected to the front end of the rotating shaft; the handle is fixedly connected or rotatably connected to the other end of the rotating arm member; the frame pole assembly is vertically arranged in the square mounting hole of the pedestal through a transmission frame of the frame pole assembly and is arranged around the driving shaft; one end of the pressing plate is arranged on a transmission rod of the frame pole assembly and the other end of the pressing plate is arranged on a support bolt of the support pole assembly; and the head of the support bolt of the support rod assembly is arranged in the pedestal. When the multifunctional workpiece holder is used for repeatedly jacking operations, the operations of fixing and loosing workpieces can be rapidly and repeatedly finished just by pulling the handle; and therefore the multifunctional workpiece holder is simple and rapid to operate and greatly improved in working efficiency.

The invention discloses a lifting drying rack. The lifting drying rack comprises a lifting motor, a pull rope, a lifting rack and a drying rod, wherein the upper end of the stretchable lifting rack is fixed to a ceiling, and the drying rod is connected to the lower end of the lifting rack. The lifting drying rack further comprises a manual lifting mechanism provided with a rotatable second winding wheel, the lifting motor is arranged at the upper end of the lifting rack, an output shaft of the lifting motor is connected with a first winding wheel through a speed change mechanism, the lower end of the lifting rack is provided with a movable pulley, and the upper end of the lifting rack is provided with a fixed pulley; one end of the pull rope is fixedly wound on the first winding wheel in a stacked mode, the other end of the pull rope is sequentially wound around the movable pulley and the fixed pulley and then fixedly wound on the second winding wheel in a stacked mode. The lifting mechanism can be suitable for electrical operation and manual operation to ensure normal use of the drying rack in a power failure, saves labor for operation and is convenient to install.

The invention discloses an engine material rest comprising a material rest body. The material rest body is provided with at least an engine placement work station; the position of the work station corresponding to a positioning part of an engine is provided with a plurality of fixed positioning pieces and a plurality of adjustable positioning pieces. The engine material rest can simultaneously install a plurality of engines of different types and specifications to completely fix the engines so as to guarantee the transportation safety; different number of material rests can be stacked according to the condition requirements of field and transportation vehicles, so that the transportation efficiency is improved. The engine material rest is operated simply and flexibly, and reduces the labor intensity of workers.

The invention relates to a ground cleaning machine which comprises a base capable of moving on the ground and a machine body, wherein the base comprises a front end, a rear end, a first side end and a second side end, wherein the first side end and the second side end are oppositely arranged; a suction opening, a sewage tank provided with a sewage inlet and an air outlet, a suction motor component provided with an air inlet and an air exhaust outlet, and a rolling brush mounted at the suction opening are arranged on the base; the suction opening, the sewage inlet of the sewage tank, the air outlet of the sewage tank and the air inlet of the suction motor component are sequentially communicated; and the lower part of the machine body is rotationally connected onto the base, an operation handle, a cleaning fluid tank for storing cleaning fluid and a battery pack are arranged on the machine body, a fluid conveying pipe is arranged between the cleaning fluid tank and the rolling brush, and the battery pack is electrically connected with the suction motor component. The ground cleaning machine provided by the invention has the benefit that the sewage tank, the suction motor component and other heavier parts are arranged on the base, so that the mechanism of the whole machine is more stable.

The invention discloses a computer display screen with the height capable of being adjusted. The computer display screen comprises a supporting base and a display screen main body. A stand column is vertically arranged at the middle position of the top of the supporting base. A U-shaped groove is formed in one side of the stand column. Sliding grooves vertically arranged are formed in the two sidewalls of the interior of the U-shaped groove correspondingly. Rotating parts are horizontally arranged in the sliding grooves in a sliding manner. A first bevel gear is connected with a second bevelgear in a meshed manner. A rotating shaft arranged horizontally is welded to the side face of the second bevel gear. One end of the rotating shaft extends to the exterior of the supporting base, and ahandle is fixed to one end of the rotating shaft. One end of an angle adjusting mechanism is hinged to the lower portion of the back face of the display screen main body. The other end of the angle adjusting mechanism is hinged to a thread sleeve. A screw rod is sleeved with the thread sleeve in a thread manner. According to the computer display screen, a user can sit on a chair to adjust the height, operation is convenient, labor is saved, the angle adjustment can be achieved, adjusting is very convenient, and the computer display screen is suitable for popularization.

The invention provides a wall surface ceramic tile pasting device and belongs to the technical field of decoration equipment. The wall surface ceramic tile pasting device solves the problems that existing ceramic tile pasting is laborsome, and the construction quality is poor. The wall surface ceramic tile pasting device comprises a base which is fixedly connected with two pairs of supporting shafts. The supporting shafts are slidably connected with a lifting plate which is connected with a mobile plate. A swing rack is hinged to the mobile plate and slidably connected with a positioning disc which is provided with a positioning structure. The base is provided with a vertical screw. The lifting plate is provided with a longitudinal screw. The swing rack is provided with a transverse screw. By adoption of the wall surface ceramic tile pasting device, wall surface ceramic tile pasting is more effortless, and the construction quality is higher.

The invention belongs to the field of food processing machines, particularly relates to an automatic egg breaking machine and an automatic egg breaking method, solving the problems that the traditional devices drilling for breaking eggs by adopting a manual drawing mode has large workload; a blowing needle head and an egg liquid backflow pipe are usually poked and cannot enter egg shells; the poking hole of the needle head is small, thus egg liquid flows out slowly; the egg liquid contacts with a plurality of devices and is not sanitary, and the like. The machine comprises a stand, an egg feeding device which is provided with a plurality of egg dies and arranged on the stand, an egg drilling device which is arranged below the egg dies and used for drilling the bottoms of the egg shells in the egg dies, an egg clashing device which is arranged above the egg dies and used for clashing the egg liquid of the drilled eggs and an egg liquid barrel correspondingly arranged below the egg clashing device. The method comprises the following steps of: (a) putting eggs into the egg dies; (b) pressing the egg dies to fix the eggs into the egg dies; (c) drilling bottom holes by using an egg driller; (d) pricking egg clashing needles into the tops of the eggs to charge air to clash out egg liquid; and (e) putting egg shells into a waste box. The invention is suitable for food factories for taking egg liquid, and the like.

The invention relates to a hose coupler, composed of an expand tube bolt, a banded penstock nut and a union nut; wherein the expand tube bolt is characterized in that the outer diameters of a thread section in entire structure and a cylindrical bolt head thread section are matched with the inner diameter of the hose to be connected, the center of the bolt is provided with a longitudinal through hole, the section of the through hole is in the shape that the part corresponding to the thread section is a round hole and the part corresponding to the bolt head is a regular polygon spanner hole; the inner hole of the banded penstock nut is a stepped hole, the small diameter section is a threaded hole and is matched with the thread of the expand tube bolt, the inner wall surface of the big diameter section is a non-slip surface and is matched with the outer diameter of the hose to be connected, the hose is arranged in the clearance between the big diameter section and the thread section of the expand tube bolt; the inner hole of the union nut is a stepped hole, the small diameter section is an unthreaded hole and is emptily sheathed on the excircle surface of the thread section of the expand tube bolt, and the big diameter section is a threaded hole and is matched with the outer thread of a connected tool; and the bolt head of the expand tube bolt is arranged in the threaded hole of the union nut. The hose coupler has high joint strength and good sealing property, and no special tool is required in mounting and dismounting, operation is simple and convenient, rapid and labour-saving, and the operation can be completed in manual.

The invention relates to a mobile camera without focusing and coated lens, which comprises a lens cone, a lens-cone cover with a light-passing hole, a lens in the lens cone, and a photosensitive chip and a printed circuit board at the bottom of the lens cone. The invention is characterized in that, a supporting table is provided around the lower part of the inner wall of the lens cone, on the supporting table, an elastic pressure ring is provided; the lens is on the elastic pressure ring; the surface of the optics of the lens is coated with an infrared ray filter film; around the top of the lens cone, a top table is provided; when the inner surface of the lens-cone cover is tightly pressed on the upper surface of the top table, the optics in the lens are pressed tight and fixed at a correct position due to the fitting between the lens-cone cover and the thread on the lens cone as well as the elastic force of the elastic pressure ring. The structural design allows the lens to be directly fixed on a correct position, so as to eliminate the manual focusing procedure as with the production process for prior mobile camera. The infrared ray filter film coated on the surface of the optics in the lens can eliminate infrared ray filter of special-material glass, and reduce the overall height of the mobile camera, simplify structure and reduce cost.

The invention relates to the technical field of medical equipment, in particular to rapidly fixed traditional Chinese medicine fumigation therapeutic apparatus. The rapidly fixed traditional Chinese medicine fumigation therapeutic apparatus is composed of a fumigation generator, a connecting pipe and fumigation heads. Each fumigation head is composed of an outer cover, a transverse air-outlet pipe, a regulating sleeve, exhaust holes, an air conveying pipe, an inner pipe, a vertical air-outlet pipe, a transverse exhaust pipe, a piston rod, a piston sleeve, a twisting plate, an arc exhaust pipe, an inner cover and a seal rubber ring. The outer covers and the inner covers are semispherical shells with downward openings. The outer wall of each air conveying pipe is provided with the corresponding transverse exhaust pipe, each transverse exhaust pipe is integrated with the corresponding air conveying pipe and only communicated with annular space, and the right end of each transverse exhaust pipe is sleeved with the corresponding piston sleeve which is in screwed connection with the corresponding transverse exhaust pipe. According to the rapidly fixed traditional Chinese medicine fumigation therapeutic apparatus, the fumigation heads can be fixed to acupuncture points conveniently and rapidly, no discomfort will be caused to a patient, and the patient can conveniently and automatically regulate the temperature of each fumigation head.