30results about How to "Easy and reasonable operation" patented technology

The invention discloses a method for proportioning phosphate cement mortar, comprising the following steps: (1) determining the target performance of phosphate cement mortar, including the target strength average value f of phosphate cement mortar MKPCM,m and consistency C 0 ; (2) According to the pre-set target strength average f of phosphate cement mortar MKPCM,m , to determine the preparation strength f of phosphate cement mortar MKPCM,0 ; (3) According to the consistency C of the preset phosphate cement mortar 0 Determine the unit water consumption M of phosphate cement mortar w0 (4) determine the water-binder ratio w / b, and calculate the consumption of phosphate cement according to the water-binder ratio w / b; (5) determine the consumption M of sand s0 . This method can accurately and quickly obtain the mix ratio of phosphate cement mortar based on the target performance, and its operation is simple and reasonable, avoiding the waste of manpower and material resources caused by repeated trial and adjustment, and has good operability and practicability .

The invention discloses a minimally invasive percutaneous atlas posterior inner fixing system, which comprises an arc-shaped frame body, two side block screws and a connecting rod, wherein the arc-shaped frame body covers the back neck of the human body; the two side block screws are arranged on an atlas side block; the connecting rod connects the two side block screws; the inner arc shape of the arc-shaped frame body is matched with the radian of the back neck of the human body; four through holes are formed in the arc-shaped frame body, and are respectively a first through hole, a second through hole, a third through hole and a fourth through hole from the left side to the right side; the first through hole, the connecting rod and the fourth through hole are positioned on the same straight line; the second through hole and the third through hole are respectively positioned on the same straight line with the two side block screws. The minimally invasive percutaneous atlas posterior inner fixing system has the advantages that simplicity and compactness are realized; the operation is convenient and reasonable; the operation can be completed by a minimally invasive small cut, so that the operation is faster, more convenient and more effective; the rehabilitation of a patient is promoted.

The invention discloses a support rotary type undisturbed soil sampler, which comprises a detachable handle, an external threaded drill rod, a triangular support, a drill rod holder with internal threads, a diameter adjustment plate and a holder, and a soil sample jacket pressed into the Plate, soil sample jacket fixing ring, cutter, roller type fixing device, tripod fixing rod, horizontal air bubble, soil sample container and so on. The invention has the advantages of small volume, convenient assembly and disassembly, simple structure, low manufacturing cost and portability. It is not only suitable for soil engineering test sampling, but also meets the undisturbed soil sampling for scientific research. The whole process of taking soil can be carried out under stable and constant pressure, the operation is more convenient and reasonable, the drilling and sampling are integrated, and the diameter and height of the original soil sample can be adjusted according to the needs; Close to the original state of the soil, suitable for soils with different densities and soil layers with sand and pebbles.

The invention relates to a novel energy-saving vacuum oven, which comprises a work box body and a peripheral hot air circulation device, wherein the work box body is arranged inside an oven body, the peripheral hot air circulation device is arranged outside the work box body and is used for supplementing heat for the heat radiation of the outer wall of the work box body, and a constant temperature regulation balance device is arranged on the work box body. When the novel energy-saving vacuum oven works, transmission media inside the novel energy-saving vacuum oven are heated through the constant temperature regulation box, so the transmission media are formed into heat transmission media. When the vacuum pumping of the work box body is completed, the heat transmission media are released in the work box body, so the temperature inside the work box body is fast raised to the set temperature, and at the same time, the peripheral hot air circulation supplements the heat for the heat radiation of the outer wall of the box body. The permeation heating mode has the advantages that the temperature rise of baked objects is faster, the temperature is more uniform, local high temperature cannot occur, the heat is directly transmitted to baked objects through the heating air, the heat transmission links are reduced, the loss of a large amount of heat can not be caused, because of too many heat transmission links, and the heat utilization rate is improved.

The invention discloses a positioning and grooving device for a large bearing ferrule. The positioning and grooving device comprises a fixing device and a grooving device; the fixing device comprises a fixing bottom plate, a fixing cover plate, an inner race positioning column, an outer race positioning ring and grooving guide slots; the grooving device comprises a first motor, a first rotating shaft, an electric telescoping cylinder, a second motor, a second rotating shaft, a grooving edge, a positioning and detecting pole and a distance sensor. According to the positioning and grooving device disclosed by the invention, an inner race and an outer race of a bearing can be grooved together; meanwhile, detection and positioning can also be performed in a grooving process to adjust positions and depth of grooves at any time, so that a problem that the inner race and the outer race of the bearing are not matched in groove is avoided, and quality of a bearing product is effectively ensured.

The invention discloses a die-cutting integrated machine with a base material adhesive tape and a protection film. The die-cutting integrated machine with the base material adhesive tape and the protection film comprises a machine station, an adhesive tape feeding system, a protective film feeding and processing system, a die-cutting system, an operation box, a control system and a power source; the adhesive tape feeding system is responsible for automatic feeding of adhesive tapes, the protective film feeding and processing system is responsible for automatic feeding of coil stock films, the die-cutting system is responsible for automatic die-cutting of the adhesive tapes and the films, the operation box and the control system are connected with the power source and various parts to control the start-up and shut-down of the various parts. A cutting method by using the die-cutting integrated machine comprises the first step of feeding adhesive tapes, the second step of feeding the protective films, the third step of setting process parameters, the fourth step of cutting which is composed of moving to locate and die-cutting, and the fifth step of checking products and packaging the products. The separation processes of the adhesive tapes and manual pasting are changed into integration production of machinery, so that protective film strips can be pasted onto the base bands of the adhesive tapes and once forming is achieved, the product quality is good, and the production efficiency is high; the operating steps are simple, convenient and reasonable by adopting the method of the integrated machine to cut, and the industrial popularization and application of the die-cutting integrated machine are facilitated.

The invention relates to the technical field of cups, and discloses a sterilization drinking cup, which comprises a cup body, a cover body, a flip cover, a touch display screen, a temperature sensor,a sterilization device, a connecting device and a rechargeable battery. The connecting device comprises a first connector and a second connector, the first connector is arranged at the bottom end of the flip cover, and the second connector is arranged at the top end of the cover body; the first connector comprises a power supply positive terminal, a power supply negative terminal, a first chargingpositive terminal and a first charging negative terminal; the second connector comprises a first electric connection terminal and a second electric connection terminal, when the flip cover covers thecover body, the first electric connection terminal is connected with the power supply positive terminal, and the second electric connection terminal is connected with the power supply negative terminal. The sterilization drinking cup has the advantages that temperature detection and sterilization can be automatically started after the flip cover is closed; the sterilization drinking cup is convenient and reasonable to operate, intelligent, automatic, user-friendly and high in safety.

The invention discloses a mixing ratio design method of steel fiber self-compacting concrete based on the rheological characteristics of mortar, which includes establishing a steel fiber concrete expansion degree SF prediction model; The mix ratio of self-compacting concrete mortar; the yield stress and plastic viscosity of the mortar are tested by the rotating ball method, and the measured yield stress of the mortar is substituted into the steel fiber concrete expansion degree SF measurement model to predict the expansion degree of the steel fiber concrete; the design accuracy is higher Higher, closer to reality, can better complete the optimization and performance control of the components in the material selection process, the overall design steps and ideas are clear, the operation is simple and reasonable, avoiding the blindness, It reduces the time, manpower, material and energy waste caused by repeated trial and adjustment, so it has better operability and practicability.

The invention discloses a method for protecting chip in chip thinning process. A 3193 type or 319Y type hot stripping foil, a vacuum pad and a stripping heater are adopted, the 3193 type or 319Y type hot stripping foil is used for covering the front of silicon chip product, so as to carry out the chip thinning process, after chip thinning is qualified, and heating and stripping are carried out. The method of the invention is reasonable and simple, and chip front protection effect in the chip thinning process is good. The 3193 type or 319Y type hot stripping foil adopts hot foaming stripping adhesive, thus adhesive strength at normal temperature is extremely high, when temperature is increased to 135-145 DEG C, adhesive is foamed, stripping resistance is greatly reduced, so that stripping is easy, membrane can not be torn or remain on the surface of the silicon chip product, and meanwhile no adhesive residue is remained, operation is convenient, production material cost is saved, and product quality and working efficiency are greatly improved.

The invention discloses a railway wagon brake pipe system joint body all-position welding device, belongs to welding production equipment, and in particular relates to a welding device of a long and large brake pipe system. The railway wagon brake pipe system joint body all-position welding device comprises a support platform. The key technology is that a pneumatic three-jaw chuck and a rotary platform driven by a direct-current motor are fixedly installed on the support platform; the rotary platform and the pneumatic three-jaw chuck are coaxial, and the rotary platform rotates relative to the pneumatic three-jaw chuck; a pneumatic V-shaped clamping component is arranged in a position on the support platform, which is corresponding to the pneumatic three-jaw chuck; and an auxiliary bracket is arranged in a position corresponding to the pneumatic V-shaped clamping component. According to the invention, a brake pipe system can be welded in a convenient, safe and labor-saving way in all positions; the positioning accuracy is high; the production safety is ensured; the welding quality is high; unqualified products are reduced; and the production efficiency is high.