30results about How to "Achieve rupture" patented technology

The invention discloses a bidirectional seat seal hook-wall packer, a preparation method thereof and a shaft circumferential packing method. The packer comprises a central tube. The two ends of the central tube are respectively connected with a first joint and a second joint. A first stop collar, a first piston, a first slip, a first cone, a first rubber tube compression ring, a rubber tube, a second rubber tube compression ring, a second cone, a second slip, a second piston and a second stop collar are sequentially sheathed on the central tube from the first joint. A first hydraulic cylinder which is connected with the first joint is sheathed on the external side of the first piston. A first locking slip which is used for preventing the first piston from moving towards the first joint is fixedly arranged on the central tube. A supporting ring is arranged between the central tube and the rubber tube. A second hydraulic cylinder which is connected with the second joint is sheathed on the external side of the second piston. A second locking slip which is used for preventing the second piston from moving towards the second joint is fixedly arranged on the central tube. A first pressure transmission hole and a second pressure transmission hole which respectively correspond to the first piston and the second piston are arranged on the central tube. The packer disclosed by the invention can be reliably anchored.

The invention discloses a line protection device, which comprises a bottom plate 1, a rotating shaft 2, a triangular block 3, a contact 4, rectangular blocks 5, a wire 6, a special layer 7 and a vertical plate 8, wherein the upper end surface of the bottom plate 1 is rotationally provided with the flat triangular block 3 through the rotating shaft 2; the three corners of the triangular block 3 are formed by rectangular blocks 5; a contact 4 is arranged on one side, far away from the triangular block 3, of each rectangular block 5; each contact 4 is electrically connected with the wire 6 through the rotating shaft 2; and a vertical plate 8 is vertically arranged on one side of the bottom plate 1.

An ice-breaking and snow-melting cleaning robot for a medium and low speed maglev, comprising a rack (11), folding bending mechanisms, an ice-melting and cleaning mechanism, and an autonomous cruise module (7). The rack (11) spans between two F rails of a low and medium speed maglev to be detected. There are two groups of folding bending mechanisms, which are disposed at two ends of the rack (11) respectively and are located above the F rails. Each group of folding bending mechanisms is provided with a walking wheel pair (5) and a detent wheel pair (2). The snow-melting and cleaning mechanism comprises a fixing frame (15), an F rail obstacle-removal and cleaning unit (14), and an ice-melting heating unit (16). The fixing frame (15) is mounted on the rack (11), located above the folding bending mechanisms, and deployed along the extension direction of the F rails. The F rail obstacle-removal and cleaning unit (14) and the ice-melting heating unit (16) are disposed at two ends of the fixing frame (15) respectively. The autonomous cruise module (7) is mounted below the rack (11). The cleaning robot can melt and clean ice and snow on the F rails, and is simple in structure and convenient to operate.

The invention relates to a combined sealing package for contents. The combined sealing package for the contents comprises a surface bag body in which at least two inner bag bodies are arranged, wherein the inner bag bodies are arranged at intervals in the length direction of the surface bag body; a cut bag body is arranged between adjacent inner bag bodies; the surface bag body, the inner bag bodies and the cut bag body are thermally pressed to form an integrated sealing structure; pulling ropes are arranged in first propping connecting areas between the adjacent inner bag bodies and the cut bag body, and each pulling rope extends from one end of each first propping connecting area to the other end and enters the other end of the cut bag body and then passes out through one end of the cutbag body. According to the combined sealing package for the contents, the pulling ropes arranged in the first propping areas between the adjacent inner bag bodies and the cut bag body are pulled to break the bottom parts of the inner bag bodies, and then the contents in the upper inner bag body can be mixed with the contents in the lower inner bag body through the cut bag body, and thus the contents in the inner bag bodies can be mixed on the premise that the sealing performance of the outer bag body is ensured.

The invention relates to a telescopic support type multi-eye wireless pipeline detection robot. The telescopic support type multi-eye wireless pipeline detection robot comprises a bearing machine body, walking mechanisms, telescopic drive mechanisms, pipeline detection sets and a control system. The bearing machine body is of a cavity structure with the rectangular cross section. The totally fourwalking mechanisms are arranged, evenly distributed around the axis of the bearing machine body and are connected with the side surfaces of the bearing machine body through the telescopic drive mechanisms. At least four pipeline detection sets are arranged and evenly distributed on the upper end face and the lower end face of the bearing machine body around the axis of the bearing machine body. The control system is embedded in the bearing machine body and electrically connected with the walking mechanisms, the telescopic drive mechanisms and the pipeline detection sets. According to the telescopic support type multi-eye wireless pipeline detection robot, on one hand, the requirement for automatic detection work on the interiors of pipelines with the circular cross sections and the regularpolygons can be effectively met, detection data are comprehensive, and the data communication capability is high; and on the other hand, during detection running operation, the situation of pipelineinner wall scratching due to the too high contact face pressure is effectively prevented, and the detection work reliability is greatly improved.

The invention provides a multilayer metal coupling deformation rolling combined method and device. The device comprises a compound blank heating furnace, a high-pressure water descaling machine, a four-roller reversible rolling mill, a front reeling holding furnace, a rear reeling holding furnace, a front board criss cross bending deformation unit, a rear board criss cross bending deformation unit, a laminar cooling unit and a finished product reeling machine. According to the method, the reeling heating furnaces are equipped in front of and in rear of the single-frame four-roller reversible rolling mill, and the tension bending units are arranged between the front reeling furnace and the rear reeling furnace, the tension bending rollers are flower rollers of which the surfaces are of a convex and concave structure, three flower rollers form a reverse bending deformation unit, and a convex-concave structure of a front roller surface and a convex-concave structure of a rear roller surface are arranged in a staggered mode, so that a temperature controlling reeling coupling deformation rolling combined mechanism used for applying tension and achieving board criss cross bending deformation is formed, residual stress of a compound interface is remarkably reduced, and board shape quality is ensured; and meanwhile, the bonding strength and binding rate of the compound interfaces are greatly improved, the structure performance and comprehensive mechanical performance of composite boards are improved, and the production efficiency and yield are remarkably improved.

The invention discloses a micro bacteria cracking reactor based on surface acoustic waves and a bacteria cracking method. The reactor comprises a lower bottom plate and an upper cover plate which arealigned and bonded together; a group of surface acoustic wave generation structures are arranged on the lower bottom plate; a groove is formed in one side of the upper cover plate, and a micro-channelstructure allowing liquid to flow through is arranged in the middle of the upper cover plate; a signal control system is used for controlling the surface acoustic wave generation structures; the micro-channel structure comprises a sample introduction hole, a reaction area and a product outflow hole. The method is suitable for cracking different types of bacteria, does not need any chemical reagent, and avoids the pollution of the chemical reagent to a cracked product.

The present invention relates to an injection pump for internal combustion engine which has at least one piston (10), wherein, a pump chamber (11) and a high pressure chamber (12) connected via two suction holes (13) work together with the piston or each piston (10) in order to make the piston or each piston (10) close the suction hole or each suction hole (13) at a first position and to restrain the fuel flow from the pump chamber (11) to the high pressure chamber (12), and the piston or each piston (10) will release the suction hole or each suction hole (13) at a second position in order to fill the high pressure chamber (12) with fuel from the pump chamber (11). The suction hole or each suction hole (13) has a cylinder type section (17) adjacent to the high pressure chamber (12), wherein, the cylinder type section (17) is connected with at least two truncated cone shape sections (19, 20), the axes (21) of which rotates or declines relative to the axes (18) of the cylinder type section (17) in horizontal direction or vertical direction.

The invention relates to a process for making tofu with a household soybean milk machine, which at least includes the following stages, the complete wall breaking stage: the first step: the pulping material is kept in the first temperature range for 1 to 10 minutes, and the first temperature is 70 °C to 90 °C; then proceed to the second step: the crushing tool is rotated and pulverized into a slurry at a first rotating speed of 16000 to 35000 rpm; the cooking stage: the heating element heats the above slurry until it is cooked; the stage of making tofu: first The brine step of adding a brine point agent to the slurry; then performing the squatting step; and finally performing the pressing step. Compared with the prior art, the soybean milk for making tofu does not need to be filtered, so that the production rate of the tofu is high, and the nutrients of the tofu are more comprehensive, and the taste of the tofu is delicate.

The invention discloses a device and method of achieving digital microfluid cracking of acoustic surface waves. The device comprises a piezoelectric substrate and a signal generating device. An interdigital transducer used for stimulating the acoustic surface waves, a first hydrophobic layer used for placing digital microfluid to be cracked, a sound absorption coating used for attenuating the intensity of the acoustic surface waves simulated by the interdigital transducer and a second hydrophobic layer used for receiving cracked digital microfluid are arranged on the piezoelectric substrate. The first digital microfluid, the sound absorption coating and the second digital microfluid are sequentially located on sound transmission paths of the acoustic surface waves. When the power of an RF electrical signal loaded on the interdigital transducer by the signal generating device is instantaneously reduced, and is greater than or equals to 15dBm, the digital microfluid cracks, and the cracked digital microfluid flies out and drops on the second hydrophobic layer. The device has the advantages that the interdigital transducer which is not weighted is adopted, and therefore cracking of the interdigital transducer can be achieved with low power electrical signal power. In addition, the device is simple in structure and small in size and easy to be integrated.

The invention discloses a straw silk machine, which comprises a supporting mechanism and a driving mechanism arranged on the supporting mechanism, a protective mechanism, a feeding mechanism, a chopping mechanism, a kneading mechanism and a discharging mechanism; the protective mechanism forms a feeding port, and the straw moves The channel and the discharge port; the feeding mechanism is located at the feeding port, including the conveyor belt and the saw disc knife roller, after the straw is initially crushed, it is transported to the chopping mechanism; the chopping mechanism and the kneading mechanism are located in the straw movement channel, and the chopping mechanism Including the fixed knife and the hob, under the action of sliding cutting of the fixed knife and the hob, the straw is chopped and sent to the kneading mechanism; the kneading mechanism is used to shred the chopped straw and deliver the straw to the feeding mechanism; After the material mechanism screens the straw silk, it is sent out of the machine through the discharge port. The straw silking machine of the present invention adopts the cooperative operation mode of feeding and dividing, cutting and crushing, and hammering and kneading to realize the silking treatment of straws, has high silking efficiency, avoids material accumulation, has a light and simple structure, and meets the needs of decentralized operations in agricultural production.