47results about How to "Not fall off" patented technology

The invention relates to a self-locking material clamping device with a buffer. The self-locking material clamping device comprises an electric clamping jaw, a spring buffer mechanism and a measurement element, the electric clamping jaw comprises a mounting plate, and two opposite grippers and a driving component driving the grippers to move face to face or back to back are arranged on the mounting plate; the spring buffer mechanism comprises a connecting block and a first slider in sliding connection with the connecting block and in connection with the mounting plate, two parallel guide shafts are connected to the connecting block, a perpendicular protrusion is arranged in the middle of the first slider, the protrusion sleeves the middles of the two guide shafts, and the guide shafts are sleeved with springs butting against the side wall of the connecting block and the side wall of the protrusion; the measurement element comprises a photoelectric sensor, a photoelectric switch and a visual sensor, the photoelectric sensor which is located between the two grippers is used for detecting whether materials are clamped by the electric clamping jaw or not, the electric clamping jaw is used for limiting when the grippers are closed and opened, and the visual sensor is used for identifying a positioning piece fixed to a material platform so as to acquire relative position information of the materials relative to the grippers.

The invention discloses a full-automatic double-ccd (charge-coupled device) photosensitive element digital microscope, which is used for acquiring specimen image information by synchronously using a colored ccd photosensitive element and a black-and-white ccd photosensitive element so as to obtain a multifocal plane holographic three-dimensional image, synchronously outputting a specimen reading result according to nucleus integral optical density acquired by the black-and-white ccd photosensitive element, and finally outputting a specimen picture and text report. Additionally, the full-automatic double-ccd photosensitive element digital microscope comprises a slide uploading and unloading device and a horizontal migration clamping device for automatically changing the specimen slide, and then, the slide is located in three dimensions through a three-dimensional frame, so that the colored ccd photosensitive element and the black-and-white ccd photosensitive element can conveniently acquire the image information of the specimen. Thus, the full-automatic double-ccd photosensitive element digital microscope can be used for not only performing morphological observation on the specimen, but also taking digital images for a dyed tissue section so as to form the multi-focal plane holographic three-dimensional image, so that all the information of the cell can be observed in multiple layers and multiple focal planes, and accuracy of early diagnosis is greatly improved.

A method for implanting the endothelial cells on the inner surface of artificial blood vessel features that a biomechanical method is used, that is, an external pulsive fluid shearing force increased step by step acts on the planted endothelial cells to make them be attached well on the inner surface of artificial blood vessel in advance.

The invention relates to an insulator core chamber sealing device and a current sensor/transformer with the same. The insulator core chamber sealing device is used for sealing an insulator core chamber inserted with an optical fiber, and the insulator core chamber is filled with fluid or semi-fluid insulating liquid. The device comprises a waterproof connector, a sleeve, a sleeve cap and filler, the waterproof connector is in butt joint with a flange at the end of an insulator, the sleeve is inserted into the waterproof connector and clamped with the waterproof connector, holes allowing the optical fiber to penetrate are formed in end faces of both sides of the sleeve, the filler is arranged in the sleeve, fixes the optical fiber in the sleeve and functions in sealing, the sleeve cap is mounted at the tail end of the sleeve, and a hole allowing the optical fiber to penetrate is formed in the end face of the sleeve cap. The device can achieve sealability of the fluid/semi-fluid insulating liquid in the insulator core chamber for penetration of the optical fiber to further guarantee normal operation of a power grid, and has the advantages of simple structure, low processing cost, easiness in operation, high efficiency, safety and the like.

The invention provides an oil-gas adsorption and absorption technical method. Oil gas is adsorbed and absorbed through evaporated oil gas absorption, deep adsorption and desorption of tail gas, rich absorbent desorption and concentration and high-concentration oil gas recycling. Compared with the prior art, the oil-gas adsorption and absorption technical method has the advantages that oil gas can be adsorbed and absorbed as well as desorbed and recycled at the same time; the adaptive capacity is high; the equipment utilization rate is high; the oil-gas adsorption and absorption technical method is convenient and quick; by the adoption of an automatic rotary spraying device, liquid flow at an inlet is dispersed, so that an absorbent is uniformly distributed, channeling is avoided, and poor distribution of the absorbent is eliminated; a gas inlet is immersed below the liquid level of the absorbent, so that part of the oil gas can be absorbed through a liquid stored at the bottom before the oil gas enters a filler and is absorbed, and one more absorption process increases; a baffle can lengthen a path where the gas flows, the space of an absorption tower is fully used, the performance of the absorption tower is developed, the absorption efficiency of equipment and the absorbent is improved, and the oil-gas adsorption and absorption technical method is suitable for application.

The invention provides an assembly tooling and an assembly method of a timing chain system of an engine, thereby improving the assembly efficiency and the quality and facilitating the inventory management of parts. The shape of the assembly tooling tallies with the shape of the well assembled timing chain system, the tooling is provided with position-limiting concave parts by corresponding all parts of the timing chain system, the tooling is provided with through holes with the hole diameter which is larger than the diameter of mounting bolts in the positions which correspond to mounting holes of all the parts, and the tooling is provided with the through holes with the hole diameter which is slightly larger than shaft holes of a chain wheel in the positions which correspond to all the shaft holes of the chain wheel. A subassembly is formed by using a special tooling to fix all the parts of the timing chain system according to the assembly positions of the whole machine, thereby facilitating the management of the parts; when the assembly is carried out on a production line, all the parts of the timing system can be aligned and assembled in place once by only aligning the relative positions of the tooling and the engine, thereby greatly reducing the labor quantity and the labor intensity of workers, and improving the assembly efficiency and the assembly quality.

The invention discloses a preparation method of a protective coating material for a zirconium alloy cladding pipe. Specifically, the preparation method comprises the following steps: mixing a main material for a protective coating, water and polyvinyl alcohol to obtain a mixed material; carrying out two types of post-treatment on the mixed material to obtain an agglomerated powdery protective coating raw material for the zirconium alloy cladding pipe or a suspension-shaped protective coating raw material for the zirconium alloy cladding pipe; taking the zirconium alloy cladding pipe and carrying out sand spraying treatment on an outer wall of the zirconium alloy cladding pipe; spraying the agglomerated powdery protective coating raw material for the zirconium alloy cladding pipe or the suspension-shaped protective coating raw material for the zirconium alloy cladding pipe on the outer wall of the zirconium alloy cladding pipe subjected to blast sanding treatment by adopting a thermal spraying technology, so as to form the protective coating material for the zirconium alloy cladding pipe on the outer wall of the zirconium alloy cladding pipe. According to the preparation method of the protective coating material for the zirconium alloy cladding pipe, provided by the invention, a very good protective coating is formed on the outer wall of the zirconium alloy cladding pipe, so that the anti-oxidization performance of the zirconium alloy cladding pipe is improved.

The invention provides a weed root removing machine. The weed root removing machine consists of shovel edges, compression nuts, a pressure plate, pressing blocks, a semi-circular head, a stabilizing rod, a spring, a shovel body, a supporting plate, an abutting block, a spindle and a handle, wherein the two shovel edges are correspondingly distributed on two sides of the spindle and are inclined inwards; the tail of the shovel body is in the shape of an inclined plane and the diameter of the tail is relatively small; each pressing block is arranged at the tail of the corresponding shovel edge; the abutting block is arranged at the tail of the shovel body; and the pressure plate is arranged at the front end of the spindle. When using the weed root removing machine, a user holds the handle with hands, aligns the two shovel edges to weed roots, pushes the handle so that the two shovel edges are pressed in the weed root part in the soil; and after the handle is lifted up, the two shovel edges clamp the weed roots and pull the weed roots out, so that the effect of removing stubborn weed roots is achieved.

The invention relates to an automatic glue winding machine for plates, which comprises a rack, a workbench, a material pushing mechanism, a centering clamping mechanism, a material supporting lifting mechanism, two glue winding mechanisms and a discharging mechanism, the workbench, the material pushing mechanism and the material supporting lifting mechanism are sequentially arranged in the middle of the rack from front to back, the centering clamping mechanism is arranged above the material supporting lifting mechanism. The discharging mechanism is arranged below the material supporting and lifting mechanism, the two adhesive tape winding mechanisms are arranged on the left side and the right side of the rack correspondingly, the workbench is horizontally arranged and connected with one end of the material pushing mechanism, and the workbench is used for containing a blank. The glue winding machine fills the blank of a glue winding machine in the bus industry, solves many problems existing in manual glue winding of the bus, can achieve glue winding work of the ends of the buses of different specifications, integrates bus transportation, end glue winding and automatic discharging, achieves continuous operation, is free and adjustable in glue winding angle and convenient to operate, and improves the production efficiency. The mechanization and automation degree of bus glue winding is improved.

The invention discloses an automatically adjusted line pressing wheel device and belongs to the field of metal manufacturing equipment. The device comprises a line pressing wheel, a bearing, a universal bearing and an elastic supporting structure, wherein limiting baffles are fixed at two ends of the line pressing wheel, and a limiting separator is fixedly arranged in the middle of the line pressing wheel; one end of a rotating shaft of the line pressing wheel is fixedly connected with a universal joint shaft; the universal joint shaft is connected with a driving motor; the elastic supporting structure comprises a supporting seat, a spring, a telescopic mechanism and a fixing rack; and the telescopic mechanism comprises a loop bar and a sleeve. According to the device disclosed by the invention, a phenomenon that a soft state alloy wire rod is scratched, collided or pressed to generate indentation can be avoided, the line pressing wheel device is applied to line pressing of soft-state alloy materials such as H65 materials, the materials can be recycled, the service life is long, the use rate of the line pressing wheel can be improved, and balanced tensioning degree of the wire rods in the high-speed transfer process is guaranteed, so that the phenomenon that a gold thread is severely pulled even broken is avoided.

The invention provides a rolling connection forming tool of a pipe joint based on a high filling rate and a rolling connection process. The tool comprises an inner diameter expander and a clamping die. The tool is characterized in that a mandrel arranged in a mandrel cover in a sleeved manner and used for implementing rolling rotation in the inner diameter expander is of a spilt structure which isdivided into a working end and a non-working end; the working end is a part inserted into a metal guide pipe for implementing rolling rotation of the mandrel matched with the mandrel cover, is of a cone structure, and the outer diameter of the working end tends to decrease gradually in a direction pointed to insertion; and the taper of the working end of the mandrel meets a certain relational expression. The rolling process is that a high hardness smooth roller pin is in contact with the inner wall of the metal guide pipe by the tool, so that local plastic deformation occurs in a surface layer of the metal guide pipe to generate surface pressure stress, and a pipe wall material is rolled into the pipe joint with a groove to achieve rolling connection. The rolling connection forming tool has the advantages of reasonable structural design, improved performance of a rolled product, high percent of pass and the like.

The invention discloses low-temperature light-weight high-strength porcelain for daily use, which comprises the following raw materials in parts by weight: 2-5 parts of pottery clay, 5-8 parts of bentonite, 5-8 parts of sand and 4-9 parts of clay, and further comprises the following glaze raw materials in parts by weight: 10-15 parts of clam shell powder, 2-5 parts of bentonite, 10-12 parts of cordierite and 12-22 parts of albite. The preparation method of the glaze comprises the steps of putting the clam shell powder, the cordierite and the albite in parts by weight into liquid nitrogen, freezing for 20-24 hours, then taking out the clam shell powder, the cordierite and the albite, immediately adding the clam shell powder, the cordierite and the albite into a ball mill, carrying out dry grinding for 2-3 hours to obtain powder, carrying out constant-temperature stirring on the powder and the bentonite in parts by weight in a high-speed mixer at the temperature of 30-35 DEG C for 15-20 minutes to obtain a mixed material, and carrying out anaerobic calcination on the mixed material at the temperature of 100-120 DEG C to obtain the glaze. The porcelain for daily use obtained by the invention is light in weight and high in strength, and can be fired at low temperature.

The invention relates to the technical field of bridge protection, and discloses an anti-collision and anti-corrosion device for a bridge pier stud, the anti-collision and anti-corrosion device for the bridge pier stud comprises a pile casing arranged outside the pier stud, the pile casing is formed by rolling a steel plate, the outer surface of the pile casing is subjected to thermal spraying zinc treatment, and the pile casing is lined with buffer rubber; a self-compacting fine stone C40 concrete layer is poured between the buffer rubber and the pier column. The scheme of the steel casing, the rubber plate and the filling concrete can play a role in preventing collision and abrasion of the pier. Impact energy of debris flow can be damped and absorbed through the rubber plate. On the other hand, the invention provides a construction method of the anti-collision and anti-corrosion device for the bridge pier column.

The invention provides a Z-direction compensation mechanism. The Z-direction compensation mechanism is used on a multi-station tooling on an automatic stamping production line and is used for being connected with a suction cup to pick up material sheets. According to the Z-direction compensation mechanism, a connecting rod mechanism is driven by an air cylinder to enable a suction cup connecting sliding column to do reciprocating motion, so that picking and storage of the material sheets are guaranteed; and in the moving process, a plurality of tooling parts do not need to do reciprocating motion at the same time, so that the phenomenon of serious shaking is avoided, and the occupied space and the die avoiding space are reduced.

The invention discloses a grouting and lapping machine for outer wall insulation boards. Along the advancing direction of a workpiece conveyer belt, a grouting station, a lapping station and a secondary grouting position are sequentially arranged on a chassis, the grouting station smears cement slurry on workpieces, the lapping station spreads a reinforcing mesh fabric on the cement slurry surface, and another layer of cement slurry is then smeared on the mesh fabric. Since the machine sequentially carries out the processes of primary grouting, lapping and secondary grouting together, the cement bodies can be organically integrated with the mesh fabric, the uniformity of the covering layer is improved, the strength of the cement surface of polystyrene insulation material is enhanced, and cement product-filled interlayers do not need to be separately constructed by the conventional technique. Secondly, since the three processes are carried out in one step, the working efficiency and the product quality are increased, the labor intensity is reduced, and the production cost is decreased.

The invention provides an oil inlet/outlet connector of a front telescopic sleeve hydraulic oil cylinder of a dumper. The oil inlet/outlet connector of the front telescopic sleeve hydraulic oil cylinder of the dumper comprises the hydraulic oil cylinder. A connector base is correspondingly installed on a first oil inlet in the side face of the hydraulic oil cylinder. A hollow pipe is arranged in the connector base and corresponds to the first oil inlet. A plurality of second oil inlets communicated with the hollow pipe are formed in the connector base in the radial direction. A rotary connector corresponding to the multiple second oil inlets is arranged on the connector base. The inner side of the rotary connector forms an annular channel outside the multiple second oil inlets, and the annular channel is communicated with an oil inlet of the rotary connector. Sealing rings are arranged on the two sides of the annular channel of the rotary connector, and the rotary connector and the connector base form a relative sealing environment through the sealing rings. A check ring is arranged on the connector base and located outside the rotary connector. According to the oil inlet/outlet connector of the front telescopic sleeve hydraulic oil cylinder of the dumper, 360-degree rotation and connection of the connector of the hydraulic oil cylinder can be achieved without direction limitation; the structure is simple, the problem of interference of the installation process is solved, and thus installation is smoother.