251results about How to "Avoid damage and deformation" patented technology

The invention discloses a three-dimensional visualization true triaxial simulation test bench. The three-dimensional visualization true triaxial simulation test bench mainly consists of three parts, namely a counterforce plate framework, a force transmission steel plate framework and a transparent force transmission plate framework, wherein a model is positioned in the transparent force transmission plate framework, the transparent force transmission plate framework is positioned in the force transmission steel plate framework, the force transmission steel plate framework is positioned in the counterforce plate framework, a counterforce plate is connected with a force transmission steel plate through a loading oil cylinder, the force transmission steel plate is fixedly connected with a transparent force transmission plate, a base and a counterforce plate at the top are respectively provided with a linear laser, image acquisition instruments are installed on counterforce plates at the front side and the rear side, each force transmission steel plate is in a hollowed structure, and tunnel excavation holes are formed in the centers of the counterforce plate at the rear side, a force transmission steel plate at the rear side and a transparent force transmission plate at the rear side. The three-dimensional visualization true triaxial simulation test bench can be used for respectively simulating three different working conditions, namely true triaxial loading, plane strain and plane stress, and has the advantages of simple and compact structure, easiness in machining and assembling, low production cost and the like.

Disclosed is a pouch equipped with an internal pressure discharge unit capable of automatically discharging gas or steam while preventing contents from being solidified. The pouch includes a sealing part formed at a side end of the pouch, a content retaining part, a sealing weak part formed at an upper portion of the sealing part, a content holding part positioned in line with the sealing weak part such that a front end of the content holding part is open when the sealing weak part is widened, and a gas discharge line formed in the content holding part and communicated with an outer end of the sealing part. The contents are prevented from being leaked out of the pouch even if the heating time is extended, and the gas is prevented from being discharged out of the pouch, thereby minimizing evaporation of moisture from the contents.

The invention relates to a segmentally improved underground tool device, in particular to a repeated switch sliding sleeve device which comprises a switch sliding sleeve and a switch tool, wherein the switch sliding sleeve comprises a switch sliding sleeve upper joint, a sliding sleeve, an outer barrel, an opening bushing and a switch sliding sleeve lower joint which are connected with one another sequentially; the switch tool comprises a switch upper joint, a central spindle, a spring, a limiting sleeve and a tap which are connected with one another sequentially; and a switch can be placed in the sliding sleeve to control switching-on and switching-off of the switch sliding sleeve. By the repeated switch sliding sleeve device, a connection state or a disconnection state of each section of flow channel can be selected randomly, so that a full drift diameter of a pipe column is realized and the repeated switch sliding sleeve device is easy to operate.

An apparatus for extracting liquids from a slurry formed of liquids and fibers, like diluted manure or paper mills residue. The apparatus has a rotatable drum covered with a resilient layer. The apparatus also has two draining rolls which are pressed against the drum so that the slurry passing in between is squeezed. Each roll has a hollow cylindrical shell with a uniform distribution of openings. Each roll also has a perforated filter screen fixed to is. The screen has perforations evenly distributed so that only some perforations lie over the openings in the shell. The perforations are smaller in size than the openings. The apparatus also has a pair of wipers in order to wipe the fibers out of the draining rolls and guide the liquids collected in the shells towards a liquids outlet. A reservoir can be mounted above the drum and upper draining roll for receiving the slurry, storing it to build-up a constant pressure, and supplying it in a continuous manner. An endless screw can also be mounted on top of the drum to scrape the fibers that may remain attached.

An individual wrapping container according to the present invention prevents deformation and damage of an ineterlabial pad attached between labia accommodated in the individual wrapping container by protecting a peripheral portion of the interlabial pad. The individual wrapping container also prevents contamination of the interlabial pad before use at the time of replacement of the used interlabial pad. The interlabial pad includes the peripheral portion forming a contour of the interlabial pad. The individual wrapping container includes a protective region having higher rigidity than that of the peripheral potion of the interlabial pad accommodated in the individual wrapping container so as to protect the peripheral portion.

Provided is a walking stick having a pole configured by a plurality of connecting pipes. The walking stick includes: an upper connecting pipe; and a lower connecting pipe inserted into the upper connecting pipe, wherein first and second through-holes are provided in both sides of the lower connecting pipe at opposing positions to each other, first and second button members are slidably inserted into the first and the second through-holes, respectively, a spring for elastically supporting the first and the second button members in a radial direction is provided inside the first and the second button members, and third and fourth through-holes are provided in the upper connecting pipe at positions corresponding to the first and the second through-holes of the lower connecting pipe so that the first and the second button members are moved in and out through the first to the fourth through-holes.

There is provided a bracket for securing a side airbag for an automotive vehicle. The bracket fixes a path such that a connection strap connecting the side airbag to the bracket is secured to an A-pillar and removes any interference when the side airbag is assembled, to make it easy to assemble the side airbag in a manufacturing site. The bracket has a through aperture through which a bolt is fastened, and a mounting plate secures the side airbag to the vehicle. Protrusions are each formed on each of both side ends of the bracket, and a bracket clip is installed on the external surface of the bracket. The bracket clip comprises: a bending part formed in the middle of the bracket clip; a plurality of support plates formed at either side of the bending part; and through apertures formed on the support plates, corresponding to the through aperture of the bracket. In the present invention, the path of the connection strap connecting the side airbag to the bracket is fixed by the bracket, and there is no interference when the bracket is assembled to install the side airbag in the A-pillar. Therefore, the assembling efficiency is improved, time is save, and productivity is improved in the manufacturing site.

The invention provides an automatic pick-and-place machine for micro elements. The automatic pick-and-place machine for the micro elements solves damage problems that electronic elements are polluted by impurities and even deformed and injection-molding objects are broken and cracked, resulting from manual picking and placing, in the prior art. The automatic pick-and-place machine for the micro elements solves damage problems comprises a base with a bearing platform; the base is provided with a transverse conveying mechanism and a longitudinal conveying mechanism, which are positioned perpendicularly; moreover, the longitudinal conveying mechanism is arranged above the transverse conveying mechanism in a crossing manner; the transverse conveying mechanism is in sliding connection with a tray in the transverse direction; the longitudinal conveying mechanism is in sliding connection with a vacuum pick-and-place mechanism in the longitudinal direction; the vacuum pick-and-place mechanism is suspended above the tray and is further connected with a vacuum generation device which is fixedly arranged on the base; and moreover, the base is fixedly provided with a control device for controlling the mechanisms or devices to act cooperatively. According to the automatic pick-and-place machine for the micro elements, the pick-and-place area is expanded, the pick-and-place paths are enriched, and meanwhile, the intactness of the electric elements can be guaranteed; and the protection efficiency is improved and the operating accuracy is improved.

The invention provides a method for improving a heavy haul railway subgrade by the use of fiber-reinforced stabilized soil. According to the method, monofilament bunched fiber and a soil stabilizer are doped in heavy haul railway subgrade soil, wherein dosage of the monofilament bunched fiber is 0.05-0.5% of the weight of dry soil, length of the fiber is 3-54 mm, dosage of the soil stabilizer is 3-7% of the weight of dry soil, and a formula of the soil stabilizer contains, by weight, 30-42% of aluminosilicate, 18-24% of ferrous aluminate, 10-16% of sulfate, 10-16% of sulfite, 16-20% of sulfoaluminate, 4-8% of chloride and 3-6% of oxide; and jet machining molding, spraying, piling and filling, rolling forming and maintenance are carried out successively. The fiber-reinforced stabilized soil has good three-dimensional engineering characteristic, water stability, resistance to deformation, shearing resistance, tensile strength, crack resistance, local deformation improvement and other engineering characteristics, and can be used in subgrade constructions for railway, road and the like.

The present invention provides a prefabricated fabricated structure system and an assembling method thereof. The prefabricated fabricated structure system can be used for a steel structure, a reinforced concrete structure and a wood structure. When used for the steel structure, the prefabricated fabricated structure system comprises steel structure joints and related elements. The steel structurejoints and related elements further comprise beam-column connection sleeves, vertical columns, main beams and fixed steel plates for the main beams. The beam-column connection sleeves comprise first box-shaped steel tubes and first C-shaped sleeves vertically extending from the outer surfaces of the first box-shaped steel tubes. First wedge-shaped concave parts are arranged at the ends of the upper and lower flanges of the first C-shaped sleeves. The vertical columns are provided with column connection ends which are inserted into the first box-shaped steel tubes. The main beams are provided with main beam connection ends which are inserted into the first C-shaped sleeves. First wedge-shaped protruding parts matched with the first wedge-shaped concave parts of the first C-shaped sleeves ina mortise and tenon joint mode are arranged on the two sides of the fixed steel plates for the main beams. The application range of the beam-column connection sleeves of the prefabricated fabricatedsteel structure system can be further extended from the steel structure to the reinforced concrete structure and the wood structure.

The invention provides a shock-absorption transformer and belongs to the field of transformers. The problems that cooling fins of an existing transformer are easy to deform, and overall strength is low are solved. The shock-absorption transformer comprises a box, multiple cooling fins are fixed around the outer side of the box, strip-shaped open grooves are formed in the two sides of each cooling fin respectively, the open grooves extend to the geometric centers of the cooling fins from the tops of the cooling fins, and the shock-absorption transformer further comprises a shock absorber; the shock absorber comprises a bottom plate and a supporting plate which are connected through shock-absorption springs, the bottom of the box is arranged on the supporting plate, multiple connecting holes are formed in the supporting plate, and the shock-absorption transformer further comprises multiple cushioning blocks with connecting rods; each cushioning block is provided with two supporting faces and arranged between the corresponding cooling fins, the two ends of each cushioning block slides to the bottom ends of the open grooves corresponding to geometric centers of the corresponding cooling fins from the top ends of the opposite open grooves of the corresponding adjacent cooling fins in a matched mode, the supporting faces abut against to the bottoms of the open grooves, and the ends, away from the cushioning blocks, of the connecting rods are fixed to the supporting plate through the connecting holes. The transformer is higher in strength and better in shock-absorption performance.

The invention discloses a movable lifting compact rack. According to the movable lifting compact rack, lifting assembles can be matched with hanging grooves in hanging plates on partition plates, andcorrespondingly the partition plates can be lifted and adjusted through the lifting assemblies; after adjustment is completed, the partition plates are fixed by pin shafts, and the operation is simpleand convenient; the distance between every two partition plates can be adjusted according to demands or the partition plates are lifted after files are arranged on the partition plates below, and theoperation is simple and convenient. According to the movable lifting compact rack, by arranging supporting and locking assemblies, the stability of a compact rack body is enhanced, the compact rack body can also be lifted at the same time, and the use convenience and safety of the compact rack body are improved; by arranging partition seats to limit the files, the stability of file placement is improved, the files are prevented from falling down, workers have no need to rearrange the files, and the workload and working strength of the workers are reduced.

An electro-optical circuit board is provided, which includes an electrical wiring board and an optical wiring board. The optical wiring board includes a first metal substrate, an optical guiding layer formed on the first metal substrate, and a metal supporting structure formed around the optical guiding layer, wherein the optical guiding layer includes an optical waveguide and a clad wrapping the optical waveguide. When the electrical wiring board is joined with the optical wiring board through a laminating process, the metal supporting structure absorbs the pressure applied to the electro-optical circuit board.

The invention discloses a barrier device with a function of easily adjusting the size for engineering blasting. The barrier device comprises fixing rods, barrier plates and a base, wherein the fixingrods are uniformly installed on the top of the base, supporting corner brackets are installed at the positions where the bottoms of the fixing rods are connected with the base respectively, fixing sleeves are arranged on the fixing rods respectively, and the barrier plates are arranged on one sides of the fixing sleeves respectively. Fixing bases are uniformly installed on one sides of the barrierplates respectively, the fixing bases are fixedly connected with the fixing sleeves, and shock-absorption plates are arranged on the sides, away from the fixing bases, of the barrier plates respectively. According to the barrier device with the function of easily adjusting the size for engineering blasting, by arranging water-penetration membranes and water-absorption sponge, when stones spattered in the blasting process squeeze the shock-absorption plates and the barrier plates, water absorbed in the water-absorption sponge easily seeps out of the water-penetration membranes after being squeezed and overflows through water outlets, dust generated during blasting is effectively wrapped, less dust rises, and therefore, the pollution of the dust to the environment is reduced.

The invention discloses a quick assessment method for site selection of an underground powerhouse cavern of a hydropower station, relates to the field of hydraulic and hydroelectric engineering, and provides an assessment method capable of objectively and quickly judging the site selection condition of an underground powerhouse cavern of a hydropower station. The method comprises the following steps: A, summarizing and classifying factors influencing site selection to obtain factor sets; B, endowing each factor set with a total score according to the influence degree on site selection, and distributing the total score of each factor set to factors of the factor set to obtain a total score of each factor; C, determining the actual score of each factor according to the difference between the actual condition and the ideal condition of each factor; and D, calculating the actual score sum of each factor, and judging whether the target address is suitable for building the underground powerhouse cavern according to the difference between the score sum and the total score. By adopting the method, numerous factors involved in site selection of the traditional underground powerhouse cavern are quantified and unified in the same assessment system for assessing via a large amount of existing engineering examples and numerical analysis results.

The invention discloses a building template system which comprises a horizontal system, a frame system, a keel system, an inner wall plate, an outer wall plate and a floor plate, wherein the horizontal system, the frame system, the keel system, the inner wall plate, the outer wall plate and the floor plate are respectively spliced by generalized accessory units; the building template system is high in splicing flexibility; template systems with various structures can be spliced according to the need, the production processing technology of the accessory units can be simplified, and the cost is lowered; the building template system is good in structural strength, high in vertical degree and smoothness of a wall surface and convenient and safe to assemble and disassemble.

The invention relates to a folding electric bicycle which comprises a front wheel, a rear wheel, a battery, a front fork, handlebars, a saddle frame, a saddle and a bicycle frame. The folding electric bicycle is characterized in that the bicycle frame comprises two side board frames which are opposite to each other face to face and are symmetrically arranged, and a containing groove is formed between the two side board frames; the battery is installed in the containing groove between the two side board frames; the rear wheel is installed at the rear portion of the bicycle frame and located between the two side board frames; the front fork is installed at the front portion of the bicycle frame through a first rotary shaft and located between the two side board frames, and the front fork is provided with a front fork limiting mechanism used for fixing the position of the front fork; and the lower end of the saddle frame is installed on the bicycle frame through a second rotary shaft and located between the two side board frames, and the saddle frame is provided with a saddle frame limiting mechanism used for fixing the saddle frame. The folding electric bicycle is fashionable and simple in appearance and convenient and quick to fold and collect.

The invention discloses underware cleaning equipment. The underware cleaning equipment comprises a washing cavity and a motor cavity; a water entry is arranged at the top of the washing cavity, a spherical brush and two groups of steel meshes for fixing the underware are arranged in the washing cavity; the arc cleaning brush is arranged at the bottom of the steel mesh; the steel meshes clamp the underware to rotate under the driving of a rotary table; and meanwhile, the spherical brush irregularly rotates in the washing cavity so as to produce friction on the outer surface of the underware; the inner surface of the underware is contacted with the cleaning brush and is cleanly brushed by the cleaning brush; the outer surface of the underware is cleanly brushed by the spherical brush, thereby finishing the underware cleaning. The equipment disclosed by the invention can be used for the washing of the underware of the female, the trouble of the handwashing is avoided, and the problem that the general washing machine easily causes the damage and the deformation of the underware is further avoided.

The invention provides an anti-seepage underground pipeline structure in a soft soil matrix and a construction technology of the anti-seepage underground pipeline structure and belongs to the technical field of building construction. The pipeline structure comprises an inspection well and an HDPE pipeline. A connecting hole is formed in the well wall of the inspection well. An installation lantern ring is tightly arranged on the connecting hole. The HDPE pipeline is inserted into the installation lantern ring. A sealing ring is arranged between the HDPE pipeline and the installation lantern ring. The pipeline structure is applied to the soft soil matrix, so that the requirement that the connection portion is free of seepage is satisfied and inspection shows that the percent of pass reaches 95%. Tiny seepage phenomena still exist in a large number of deep quicksand wells and on the connection portions of local well sections. After the structure is improved, seepage is completely avoided, refilling construction is strictly controlled, the phenomena of damage, deformation and the like of a pipe and a connector of the pipe are avoided, and the density degree of refilling reaches more than 95% of the degree required by design. Compared with a common concrete bearing and inserting water discharging pipe, the construction period is shortened by a half, service life is prolonged by more than one time, and economic benefits are greatly improved.

The invention discloses a haze pollutant removal system. The system comprises a fixed seat, an operating table is arranged at the top of the fixed seat, a display screen is arranged on the upper surface of the operating table, a rotating shaft is arranged at the center of the top of the fixed seat, the top end of the rotating shaft is connected with a rotating disc, the bottom end, located in thefixed seat, of the rotating shaft is connected with a first servo motor, the top end of the rotating disc is connected with a supporting plate, a spray gun barrel is arranged above the supporting plate, and the top end, located at two sides of the spray gun barrel, of the supporting plate are connected with supporting rods. The system is convenient for preventing a water storage tank from being damaged by friction with the inner wall of a fixed shell when the system stands and preventing the deformation damages of the shell of the water storage tank, caused by the collision between the water storage tank and the inner wall of the fixed shell in the movement process of the system, can filter water in the water storage tank in the extraction process to prevent the influences of blocking of aspray head by impurities on the spraying effect, and makes the spray angle of the spray gun barrel easily adjusted.

The invention provides a building method of a novel gob-side packing body. According to the method, concrete slurry is pumped into a packing bag, then high-water filling material slurry is pumped intothe packing bag, and a gob-side packing body with a concrete condensate on the lower part and a high-water packing material condensate on the upper part is formed. According to the building method ofthe novel gob-side packing body, because the high-water packing material slurry can solidify the water precipitated out of the concrete slurry in the condensation process, it is avoided that the solidification effect of the concrete material on the lower part is influenced, and the phenomenon that a packing body is difficult in roof contact because the volume is reduced is also avoided. Therefore, the packing body can carry out complete roof contact, and in other words, it can be implemented that a gob is closed, and a gob-side entry and the gob are completely isolated. Furthermore, the high-water packing material condensate has the good plastic property and can yield during roof weighting of a packing area, in other words, the packing body is good in plastic property and can carry out active bearing, so that it is avoided that the packing body deforms or even causes damage.

A connector includes a connection terminal including a terminal section which is configured to contact with a mating terminal, a housing that holds the connection terminal in a state that the terminal section protrudes from the housing, and a front holder provided on the housing so as to be slidable along an extension direction of the connection terminal. The front holder is disposed at a first position in which the front holder covers a side portion of the terminal section in a case that the front holder slides forward in the extension direction, and the front holder is disposed at a second position in which the side portion of the terminal section is exposed in a case that the front holder slides rearward in the extension direction.

The invention provides a transformer, and belongs to the field of transformers. The problems that cooling fins on an existing transformer are easy to deform and the overall strength is low are solved. The transformer comprises a tank body, a shock absorber, a protective cover and connecting rods II, wherein a plurality of cooling fins are fixed on the peripheries of the outer sides of the tank body; bar slots are arranged in two sides of each cooling fin respectively; the shock absorber comprises a bottom plate and a support plate which are parallel to each other and are connected through damping springs; the bottom of the tank body is arranged on the support plate; the support plate is provided with a plurality of connection holes; the protective cover covers the top of the tank body; the bottom of the protective cover is hinged with a plurality of connecting rods I with cushion blocks at the end parts; each cushion block is provided with two support surfaces, two ends of each cushion block slide to the bottom ends of the slots corresponding to the geometric center positions of the cooling fins from the top ends of the opposite slots of the adjacent cooling fins in a fit manner and the two support surfaces are propped against the bottoms of the corresponding slots respectively; and each connecting rod II passes through the corresponding connection hole and is fixed to the corresponding cushion block. The protective cover can protect the tank body, meanwhile, the overall strength is higher and the shock absorption performance is better.

The invention relates to a precision gear manufacturing process. A precision gear manufacturing device is used in the process. The precision gear manufacturing device comprises a supporting frame, a polishing mechanism and a cooling and clearing mechanism, the section of the supporting frame is of a rectangular structure, the polishing mechanism is installed in the middle of the lower end surfaceof the supporting frame, and the cooling and clearing mechanism is connected to the polishing mechanism. The cooling and clearing mechanism is installed on the supporting frame. The problems that an existing device cannot effectively polish complex notches of a gear groove, surface burrs of gear teeth cannot be removed effectively and the transmission precision of a gear is influenced can be solved. The problems that when the existing device polishes the gear, the gear cannot be cooled in time, as a result, due to too high temperature of the surface of the gear, the gear teeth are deformed, iron scrap residues generated by polishing cannot be cleared in time, as a result, the iron scrap residues adhere to the gear groove and the surfaces of the gear teeth again at high temperature, and thepolishing efficiency of the gear and precision of gear transmission are influenced can also be solved.

The invention discloses an automated stream line article sorting device for intelligent logistics. The automated stream line article sorting device for the intelligent logistics structurally comprisesa first identification code reading device, an installing plate, a second identification code reading device, storage boxes and a conveyor, wherein the storage boxes arranged at equal intervals are evenly distributed on the conveyor. Compared with the prior art, the automated stream line article sorting device for the intelligent logistics has the beneficial effect of by arranging a hinge inner box, telescopic mechanisms, an outer box, two step holes and threaded heads in a combination mode and based on the principle that like poles repel and opposite poles attract of a magnet, enabling all groups of the telescopic mechanisms to be dismountable, simple to install and dismount and high in installation and dismounting efficiency, achieving detachable connection between the hinge inner box and the outer box, enabling the hinge inner box to rise and fall, only needing to replace one group of the telescopic mechanisms and having no need for replacing all the telescopic mechanisms if the group of the telescopic mechanisms is damaged, reducing maintenance cost, being convenient and fast in replacement, low in difficulty coefficient and capable of effectively preventing a spring ring fromprotruding when a spring is compressed, effectively preventing deforming damage from being caused to the inner spring, and facilitating prolonging of use life of the inner spring.

The invention relates to a hopper buffer structure of a bucket elevator, which includes a rectangular mounting block, the upper end and the lower end of which are respectively fixed on the chain shaft ends at both ends of the same inner chain plate; the left side of the mounting block is the hopper, and the The right part is a vertical side plate, and there is a horizontal fixed rod in the hopper. The cap body at the left end of the fixed rod is located on the left side of the side plate, the right end of the fixed rod passes through the side plate, and the right end of the fixed rod is hinged with the mounting block through a pin shaft; A first rubber sleeve is sleeved outside the circumference of the fixed rod between the block and the side plate, and a gasket is sleeved on the fixed rod between the side plate and the cap body. The invention can effectively fix the hopper, and the rubber sleeve, tension spring and gasket can allow the hopper to have a certain buffer space in the process of taking and discharging materials, avoiding the damage and deformation of the hopper caused by the strong force between the hopper and the material, and improving The service life of the hopper.

The present invention enables to execute accurate magnetic transfer without signal omission and the like, by bringing a master carrier which bore transfer information and a slave medium to undergo transfer into close contact with each other uniformly and without a gap when they are received in a holder and brought into confronted close contact with each other.In a magnetic transfer apparatus for executing magnetic transfer by applying magnetic field for transfer generated by a magnetic field applying apparatus after master carriers 3, 4 which bore transfer information and a slave medium 2 to undergo transfer are brought into confronted close contact with each other and received in a holder 10, materials 6, 7 having elastic characteristic are interposed between the holder 10 and master carriers 3, 4, thereby allowing microdeformation of master carriers 3, 4 to enhance the close contact capability with the slave medium.