115results about How to "Not to be worn" patented technology

The invention discloses a print technology for cigarette cases. The print technology is characterized by including the steps of 1, cutting print base materials according to packaging requirements of objects to be packaged; 2, compressing the surfaces of the print base materials cut in the step 1 through dot-shaped optical grating molds to form groove patterns in the surfaces of the print base materials; 3, transferring silver paste mixtures into grooves of the groove patterns formed through compression in the step 2 through intaglio printing; 4, carrying out hot stamping treatment on the grooves in the surfaces of semi-finished print products obtained in the step 3 in a hot stamping manner through a hot stamping mold machine; 5, coating the print base materials on the surfaces of the semi-finished print products treated in the step 4 with cured resin in a silk-screen printing manner; and 6, cutting polyethylene heat shrinkage films according to sizes of the print base materials cut in the step 1. According to the print technology for the cigarette cases, the abrasive resistance of silver-coated parts on the surfaces of the finished cigarette cases is high, and print layers are smooth and have a fine and smooth hand feeling.

The invention discloses a one-face two-pin precise positioning system. The one-face two-pin precise positioning system is characterized by comprising a worktable, a round pin positioning device, a diamond pin positioning device and a control system; the control system comprises a first power device and a second power device, the first power drive drives a first plunger to move in a plunger hole of a round pin, the round pin is driven to move upwards by upwards extruding hydraulic plastics, the positioning portion of the round pin is inserted into a corresponding positioning hole of a workpiece, the positioning portion of the round pin generates corresponding plastic deformation and expands, and the gap between the round pin and the corresponding positioning hole in the workpiece is reduced. The second power device drives a second plunger to move in a plunger hole of a diamond pin, the diamond pin is driven to move upwards by upwards extruding the hydraulic plastics, the positioning portion of the diamond pin is inserted into a corresponding positioning hole of the workpiece, the positioning portion of the diamond pin generates corresponding plastic deformation and expands, and the gap between the diamond pin and the corresponding positioning hole in the workpiece is reduced.

The invention relates to a stationary cleaning device, in particular to a cleaning device for a chemical experiment container of a senior middle school and aims at solving the technical problems and providing a cleaning device for a chemical experiment container of a senior middle school. The cleaning device saves time and labor, is low in labor intensity, good in cleaning effect, simple to operate, can conduct unified cleaning water discharge and protects the environment. For solving the technical problems, the cleaning device for the chemical experiment container of the senior middle school comprises a base plate, a water tank, an elastic part, a first sliding rail, a water collecting basket, a second sliding rail, a compression cylinder, a first water pipe, a first one-way valve, a piston, a sliding block, a transverse plate and the like. The water tank, the elastic part, the first sliding rail, the water collecting basket, the second sliding rail and the support are sequentially arranged at the top of the base plate from left to right, and the water tank, the first sliding rail, the second sliding rail and the support are connected with the base plate in a welded mode. The cleaning device is used for the chemical experiment container of the senior middle school.

The invention discloses a method and equipment for simultaneously crushing and grinding ores. The method includes overlaying an upper arc-shaped grinding face on a lower arc-shaped grinding face, forming spatial regions which are gradually diminished from top to bottom between the inner surface of the upper arc-shaped grinding face and the outer surface of the lower arc-shaped grinding face, dividing the spatial regions into crushing regions and grinding regions from top to bottom, respectively arranging cutting teeth and fixing teeth on the inner surface of the upper arc-shaped grinding face and the outer surface of the lower arc-shaped grinding face in the crushing regions and arranging smooth arc faces on the outer surfaces of the upper arc-shaped grinding face and the lower arc-shaped grinding face in the grinding regions; enabling the upper arc-shaped grinding face and the lower arc-shaped grinding face to rotate relatively, feeding the ores into the crushing regions from a feed inlet in the top of the upper arc-shaped grinding face, fixing the ores by the aid of the fixing teeth, crushing the ores by the cutting teeth, enabling the crushed ores to fall into the grinding regions, grinding the ores by the smooth arc faces and enabling grains of the ores to fall via gaps at the lower ends of the upper arc-shaped grinding face and the lower arc-shaped grinding face. The method and the equipment have the advantages that the traditional crushers and ore grinding machines can be replaced, the ores can be crushed at first and then can be ground and integrally manufactured, and the equipment is high in crushing ratio.

The invention discloses a diamond-impregnated bit of an arc tooth and belongs to the technical field of bits for drilling. The diamond-impregnated bit of the arc tooth comprises a connector and a bit body connected to the connector. The arc diamond-impregnated tooth is horizontally arranged in a crown zone on the bit body, the arc diamond-impregnated tooth covers a crown contour line of the bit body, and a PDC composite piece is arranged in a heart zone on the bit body. According to the diamond-impregnated bit of the arc tooth, the arc diamond-impregnated tooth is used, the bit and the tooth carry out rotating drilling to form circular well bottom matching, the contact area between the impregnated tooth and a well bottom rock is increased, accordingly, the mechanical drilling speed of well drilling is improved, the diamond-impregnated tooth is arranged on the surface of the bit body so that the bit body cannot be in contact with the well bottom rock, accordingly, the bit body cannot be abraded by the rock, rock breaking efficiency is improved, and the service life of the bit is prolonged.

The invention relates to a pre-wiring template. According to the pre-wiring template, a four-connecting-shaft support is designed, and a panel of the template can freely erected or horizontally placed; the panel of the template is composed of two transparent glass steel plates, a plastic spraying drawing of the template can be clamped between the two transparent glass steel plates, it is ensured that the plastic spraying drawing is not abraded, even small holes are distributed in the glass steel plates, and therefore accessories can be conveniently mounted on the template. Three kinds of wiring accessories are selected, the wiring quality is improved, the pre-wiring working procedure is more flexible and convenient, the working efficiency is improved, waste is reduced, and the production cost is reduced.

The invention provides a sealed ground beam. The sealed ground beam is composed of a protective door, a manual gear rotating table, a rotating table fixed shaft, a cross rod with rotating teeth, horizontal fixed riveting grooves, transverse movable linking bars, reversing connecting bars, vertical movable linking bars, vertical fixed riveting grooves, latching bolts, a linkage cross rod with positioning bolts, an amplitude reduction chute with radian, a movable linking piece and a sealed ground beam body. According to the sealed ground beam, influences of the sealed ground beam body to a channel can be avoided, meanwhile, the ground beam body can be protected from being worn, sealing effects can be improved, and the protective door with the sealed ground beam body can be used for occasions where requirements on protection levels are high, such as headquarters, funk holes and airplane shelters in wars.

The invention which belongs to fluid measuring technical field, is concretely a method and device of measuring multi-phase fluid pressure. Its basic idea a strand single phase fluid(gas) is shot into fluid to be measured, whose pressure and flux are measured, then pressure of the fluid to be measured is acquired according to relationship of flux and pressure of liquid which is shot and pressure of the fluid to be successively connected and installed on pipeline of the fluid to be measured, it is also called gas sensor because of single phase gas used for delivering pressure, solving wear and blockage problem in surface - contact measurement and sensor needn't to have resistance to high and corrosion in measurement of high temperature medium or strong corrosive medium.

The invention belongs to agricultural mechanical equipment, and relates to hydraulic drip irrigation zone shallow-buried laying machinery. The hydraulic drip irrigation zone shallow-buried laying machinery comprises a furrowing device, a drip irrigation zone laying device, a covering device and a hydraulic device, wherein the furrowing device consists of a depth wheel, disc soil breaking wheels and a furrowing plough; the drip irrigation zone laying device consists of a drip irrigation zone suspension bracket, a positioning rod, a soil breaking plough, a guide wheel and a guide sleeve; the covering device consists of a control spring and a covering wheel; the hydraulic device consists of a hydraulic rod at a suspension connector and four hydraulic systems; each hydraulic system comprises a hydraulic tank, a hydraulic tube, a moving rack, a rotating shaft, a fixed shaft and the like; a main body structure of a structure rack comprises three cross beams; the first cross beam is provided with the suspension connector and the four hydraulic systems; the structure rack is connected with the suspension connector through the hydraulic rod; the second cross beam is successively provided with the four disc soil breaking wheels; and the third cross beam is provided with the furrowing plough and the drip irrigation zone laying device. The hydraulic drip irrigation zone shallow-buried laying machinery has the characteristics of simple structure, low manufacturing cost, high efficiency and the like.

The invention discloses a novel automobile hub which comprises a rim, an axle hub and spokes connected between the rim and the axle hub. Each spoke is in a fan shape, the width of the part, connected with the rim, of each spoke is larger than the width of the part, connected with the axle hub, of each spoke, the number of the spokes is 4 to 8, the spokes are evenly distributed in a radial shape in the outer circumference direction of the axle hub, the outer surface of each spoke inclines by 15-25 degrees relative to the side plane of the hub body, inwards-concave U-shaped blind grooves are formed in the middle portions of the outer surfaces of the spokes, and air holes penetrating through the rib are formed between every two spokes. The novel automobile hub is good in safety, simple in structure and high in heat dissipation.

The shock absorbing and buffering device relates to a device capable of playing the role of shock absorbing and buffering. The utility model is mainly designed to solve the problems of unsatisfactory damping and buffering effects of existing shock absorbing buffer devices. It includes a guide cylinder, the guide post is placed in the guide copper sleeve, the square boss of the collision head is placed in the square groove of the guide post, the ball head rod seat is placed in the ball head rod groove of the guide post, and the ball head rod The front end is in contact with the ball-end rod seat, the rear end of the ball-end rod is pushed against the groove of the bumper fixed on the piston rod, the cylinder and the guide cylinder are connected through the connecting frame, and the buffer rod fixing plate in the cylinder has a The oil chamber channel and exhaust nozzle, the buffer rod is placed in the groove of the piston rod, the buffer rod is fixed on the buffer rod fixing plate, the piston is placed in the cylinder and is in contact with the inner wall of the cylinder, and there is an inflatable valve plate at the rear end of the cylinder. There is an inflation nozzle on the inflation valve plate, and the space between the inflation valve plate and the piston is an air chamber. The advantage is that the shock absorption and cushioning effects are good.

The invention discloses a high-efficiency paper product cutting device, which includes a base and a frame. Fix the output shaft of the paper tube. The output shaft is a hollow tube. There are two coupling shafts inside the hollow tube. Several supporting blocks are evenly arranged on the coupling shafts. The bottom of the supporting blocks is vertically fixed on the coupling shafts. Two support blocks are arranged longitudinally along the connecting shaft, the output shaft is provided with a through hole matching the support block, the top of the support block passes through the through hole and is placed outside the output shaft, the top of the support block is also provided with a pad, and the center of the pad Point and the line connecting the center point of the pad of the support block on the other shaft intersects with the axis of the output shaft. Several tool mounting tables are arranged on the base below the output shaft, and cutting knives are arranged in the tool mounting table, and several The cutters are arranged axially along the output shaft. It has higher paper tube cutting efficiency, convenient and quick operation, and effectively improves paper tube processing efficiency.

The present invention discloses a finished biomass material product and a preparation method thereof. The finished biomass material product comprises a first skin layer, an intermediate layer and a second skin layer which are sequentially arranged from top to bottom, the middle layer is a straw layer, and the material of the first skin layer is same to or different from the material of the secondskin layer. The preparation method of the finished biomass material product comprises the following steps: S1, crushing straws used as a raw material to obtain a fine straw material; S2, adding an adhesive to the fine straw material; S3, placing the obtained mixture in a pressing mold, and drying and curing the mixture by a microwave heating process to prepare the straw layer; and S4, respectivelyadhering the first skin layer and the second skin layer to two surfaces of the straw layer coated with the adhesive through the adhesive, and drying the obtained material by a microwave heating process to produce the finished biomass material product. The finished biomass material product and the preparation method thereof have the advantages of simple structure, low cost, effective utilization of agricultural wastes, and promotion of sustainable development of the ecological environment.

The invention discloses an efficient thermal insulation heating oil pipe suitable for heavy oil exploitation. The efficient thermal insulation heating oil pipe comprises an oil pipe body. The oil pipebody is internally provided with a high wear-resistant inner lining, a polymer nano-thermal insulation layer is arranged between the oil pipe body and the high wear-resistant inner lining, and a self-healing type PTC self-limited temperature electrothermal film is arranged between the polymer nano-thermal insulation layer and the high wear-resistant inner lining. A feeder bus-bar is further arranged between the polymer nano-thermal insulation layer and the high wear-resistant lining in a laid mode, concentric conductive rings are arranged at the two ends of the oil pipe body, and the concentric conducting rings are arranged at the ends of the oil pipe body and the high wear-resistant inner lining. According to the efficient thermal insulation heating oil pipe suitable for heavy oil exploitation, the high wear-resistant inner lining is arranged inside the oil pipe body, the polymer nano-thermal insulation layer is arranged between the oil pipe body and the high wear-resistant inner lining, and the high wear-resistant inner lining can bear the pressure of crude oil in an oil well and further protect the polymer nano-thermal insulation layer from being worn; and a heat preservation method is adopted to ensure constant temperature lifting of the crude oil, the plug removing heating element self-restoring PTC electrothermal film is designed inside the insulation layer, and the zeropollution, zero emission, maintenance-free and low energy consumption effects are truly achieved.

The invention discloses an axial magnetic fluid dynamic seal structure. The axial magnetic fluid dynamic seal structure is characterized in that a shaft is arranged in a hollow shell; at least three permanent magnets are fixed between the excircle of the shaft and the inner wall of the shell in parallel; two sides of each permanent magnet are each provided with a pole shoe; a flow choking piece is only arranged at the center of the inner circular surface of at least one of two adjacent pole shoes of the permanent magnet in the middle position, and a first preset gap is formed between the flow choking piece and the shaft; first sealing elements are only arranged on the outer circular surfaces of the two pole shoes on the outermost side in the plurality of pole shoes; a magnetic fluid accommodating sealed space is formed between the pole teeth and the shaft, and a second preset gap is formed between each pole tooth and the shaft; magnetism isolating pieces are fixed to the axial outer sides of the two pole shoes on the outermost side in the plurality of pole shoes correspondingly; end covers are arranged at two ends of the hollow shell correspondingly; second sealing elements are arranged between the end covers and the shaft in a covering manner; and when the shell is vacuumized, the magnetic fluid accommodating sealed space is filled with a magnetic fluid, so that sealing is formed between the shaft and the pole teeth, and the first preset gap is smaller than the second preset gap.

The invention relates to a roller crusher (1) having two generally parallel rollers (2) arranged to rotate in opposite directions, towards each other,and separated by a gap, each roller (2) having a first end (3) and a second end (4). The roller crusher (1) comprises a flange (5) attached to at least one of said ends (3, 4) of one of said rollers (2). The flange (5) extending in a radial direction of said roller (2), and has a height (H) above an outer surface (6) of said roller (2) which is sufficient to extend across said gap substantially along a nip angle (alpha) of said roller crusher (1).

The invention relates to a light for warning of a high-tension overhead line, in particular to a high-tension line warning light convenient to mount and maintain. The high-tension line warning light convenient to mount and maintain comprises a support and is characterized in that the support is made of an insulating material; a storage battery is mounted in the support; a warning light is mounted at the lower part of the support; a fixed mounting device for being fixedly mounted on the line is mounted at the upper part of the support; and a solar panel is mounted at the upper part of the fixed mounting device. With the structure, the high-tension line warning light convenient to mount and maintain has the advantages of being simple and firm in mounting and difficult in moving and falling, emitting light not by day but by night, protecting the environment, saving energy and having good warning effect.

The invention relates to the technical field of vehicle braking, in particular to an air brake vehicle power safety control method and device. The device comprises a controller and a pressure sensor used for detecting braking air pressure of a vehicle braking system. The input end of the controller is connected with the pressure sensor. When a vehicle is started, the controller obtains a braking air pressure value of the vehicle braking system, when it is judged that the braking air pressure value is smaller than the lower limit of a starting air pressure value, the vehicle braking system is controlled to be inflated, the whole vehicle is controlled not to respond to a whole vehicle accelerator signal and/or a vehicle gear signal until the braking air pressure value is no smaller than thelower limit of the starting air pressure value, power safety control over the air brake vehicle is achieved, and the problem that when the vehicle braking air pressure is low, power is still output, the vehicle is controlled to operate, and thus severe wear of brake linings is caused is solved.

The invention discloses a finger protector which comprises an arc-shaped baffle blocking a cutter point. A finger sleeve is arranged on the middle portion of the inner side of the arc-shaped baffle, rubber ring layers are arranged on the upper edge and the lower edge of the finger sleeve, and a gap is further formed in one side of the finger sleeve. The finger protector is provided with the arc-shaped baffle blocking the cutter point, the finger sleeve is arranged on the inner side of the arc-shaped baffle, the finger stretches into the finger sleeve and presses an article to be cut, the finger protector is convenient to use, the rubber ring layers are arranged on the upper edge and the lower edge of the finger sleeve, the finger is protected from abrasion, and the finger protector is simple in structure and easy to achieve, and has good application prospects.

The invention discloses a wire harness cutting-off device and relates to the field of automobile wire harnesses. The wire harness cutting-off device comprises two handles, a base and a shearing platform; the shearing platform is arranged on the base with a cuboid structure; the two handles are symmetrically arranged at two sides of the shearing platform and are hinged with the shearing platform; a through hole is formed in the top of the shearing platform; a pressure column is sleeved by the through hole; a blade is arranged inside the shearing platform and is connected with the bottom of the pressure column; the top of the pressure column is provided with a connecting platform; a supporting rod I is hinged between the connecting platform and each handle; notches are formed in two sides of the shearing platform and are internally sleeved with push rods on which clamping pieces are arranged; a supporting rod II is hinged between each push rod and each handle; a shearing port is formed in the middle of the shearing platform; and both the blade and the clamping pieces are arranged in the shearing port. By using the cutting-off device, a wire harness can be fixed, so that the phenomenon that the efficiency is affected due to the slip off of the wire harness during cutting is avoided.