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41results about How to "Prevent shape deformation" patented technology

Ceramic vessel opening part sealing structure and preparation method thereof

The invention belongs to the technical field of storage sealing vessels, and particularly relates to a ceramic vessel opening part sealing structure and a preparation method thereof. The sealing structure comprises an opening part and a sealing cover. At least two sealing sections are arranged between the opening part and the sealing cover. The two sealing sections comprise a rubber sealing ring which is arranged on the upper surface of the opening part and/or the lower surface of the sealing cover and surrounds the axis of the opening part, and at least one circle of matting sealing ring which is located on the inner side of the rubber sealing ring and surrounds the axis of the opening part. By the adoption of the sealing structure, storage quality of reserved substances can be guaranteed while a normal packaging effect on the opening part by a traditional sealing cover is ensured. In the machining process, a carborundum grinding mode is used, and the top of an annular sealing ridge conducts rotating and grinding relative to the corresponding surface of the sealing cover or the opening part so that an annular sealing groove can be formed; and the top of an annular supporting ridge conducts rotating and grinding relative to the corresponding surface of the sealing cover or the opening part so that an annular supporting groove can be formed, and thus reliable machining of the structure can be guaranteed conveniently, rapidly and efficiently.
Owner:景德镇醉妙堂陶瓷有限公司

Heating cable and extrusion equipment thereof

The invention discloses a heating cable, and relates to special equipment or methods for manufacturing conductors or cables. The problems of the twisting and the bending of a cable, the non-rounding condition and the instable forming degree of the extruded cable, the loosening of a cable core, the reduced tensile strength and the shape deformation of the cable, due to the turnover of a special-shaped insulating wire core after the adoption of an existing cable extruding machine and the addition of heating and filling materials containing EPDM rubber 40 nm in grain diameter, can be solved. Theheating cable comprises an outer protective layer, an armor layer, an inner protective layer, an insulating layer and a conductor layer, wherein the above layers are sequentially wrapped from outsideto inside. Four to six anti-shielding layers are distributed on the outer ring of the conductor layer. The anti-shielding layers are located between the conductor layer and the insulating layer. Heating and filing materials are filled between the conductor layer and the insulating layer. According to the technical scheme of the invention, the twisting and the bending of the cable, caused by the turnover of the special-shaped insulating wire core, can be avoided. The invention further discloses equipment for machining and extruding the heating cable.
Owner:欧耐特线缆集团有限公司

Radio frequency coaxial connector with self-locking structure

The invention discloses a radio frequency coaxial connector with a self-locking structure. The radio frequency coaxial connector comprises a shaft body, a bolt, a connecting body and an inner conductor. A damping spring is connected to the interior of the shaft body, an elastic block is fixedly connected to one end of the damping spring, a positioning block is arranged on one side of the elastic block, and a rotating shaft is movably connected to the interior of the positioning block; and the surface of the rotating shaft is movably connected with a cover plate, and one side of the cover plateis fixedly connected with a butt joint. According to the radio frequency coaxial connector with the self-locking structure, when a corresponding device is installed, the installation block is extruded to move towards one end of the fixing spring, and after the corresponding device is installed, the installation block returns to the original position through the elasticity of the fixing spring sothat the corresponding device is self-locked and fixed, and then the pressing block is pressed; and the pressing block drives the end, close to the pressing block, of the adjusting rod to move downwards, the other end of the pressing block is lifted upwards through an adjusting shaft, the installation block moves upwards, and then the corresponding device is taken out.
Owner:镇江市滨江电子有限公司

Curling equipment for intelligent manufacturing of metal sheets

The invention discloses curling equipment for intelligent manufacturing of metal sheets. The curling equipment comprises a base 1, a mold block 2 is fixedly connected to the middle of the top of the base 1, a barrel carrying groove 3 is formed in the middle of the mold block 2, the top of the outer ring of a vertical rod 11 is sleeved with a fixing block 4, first supporting rods 5 are arranged on the opposite faces of the fixing block 4, and a top plate 7 is arranged between the first supporting rods 5; a first driving mechanism 10 is fixedly connected to the right side of a right side base 6, a pushing rod 12 is fixedly connected to the left side of the first driving mechanism 10, an outer wall rounding mechanism 30 is fixedly connected to the left side of the pushing rod 12, an inner wall rounding mechanism 28 is fixedly connected to the bottom of a rotating shaft 9, and a second driving mechanism 13 is fixedly connected to the back of the middle of the top of the base 1; and a lifting rod 17 is fixedly connected to the middle of the top of the second driving mechanism 13, a vertical rod 19 is installed on an outer ring of the lifting rod 17 in a sleeve manner, a longitudinal supporting rod 22 is fixedly connected to the top of the front face of the vertical rod 19, and a hemming mechanism 30 is fixedly connected to the bottom of the longitudinal supporting rod 22.
Owner:SHANDONG HONGXING NEW MATERIAL TECH CO LTD

Method of installing elastic connecting pipe of gate of nuclear power plant equipment

ActiveCN109192334AThe introduction was smooth and fastChange the installation processNuclear energy generationContainmentEngineeringPre embedding
The invention belongs to the technical field of installation of nuclear power plant equipment. In order to successfully complete the installation of an elastic connecting piece of an equipment gate and ensure the successful construction progress of an entire safety shell, the invention discloses a method of installing the elastic connecting pipe of the gate of nuclear power plant equipment. The installation method comprises the following steps: step 1. axially compressing and fixing the elastic connecting piece; and step 2. introducing the elastic connecting piece and completing the connectionand fixation between the elastic connecting piece and an outer casing penetration shell ring after completing the installation of the outer casing penetration shell ring and before carrying out the inner casing prestressing force operation; step 3. temporarily connecting an inner casing side body in the elastic connecting piece to an outer safety shell in a suspension manner; step 4. carrying outinner safety shell prestressing force treatment; and step 5. connecting and fixing the inner casing side body in the elastic connecting piece to an inner casing pre-embedded ring plate in the elasticconnecting piece. The method can successfully complete the installation of the elastic connecting piece and ensures the successful construction progress.
Owner:CHINA NUCLEAR IND 23 CONSTR

Installation method of elastic connectors for nuclear power plant equipment gates

ActiveCN109192334BThe introduction was smooth and fastChange the installation processNuclear energy generationContainmentClassical mechanicsStructural engineering
The invention belongs to the technical field of installation of nuclear power plant equipment. In order to successfully complete the installation of an elastic connecting piece of an equipment gate and ensure the successful construction progress of an entire safety shell, the invention discloses a method of installing the elastic connecting pipe of the gate of nuclear power plant equipment. The installation method comprises the following steps: step 1. axially compressing and fixing the elastic connecting piece; and step 2. introducing the elastic connecting piece and completing the connectionand fixation between the elastic connecting piece and an outer casing penetration shell ring after completing the installation of the outer casing penetration shell ring and before carrying out the inner casing prestressing force operation; step 3. temporarily connecting an inner casing side body in the elastic connecting piece to an outer safety shell in a suspension manner; step 4. carrying outinner safety shell prestressing force treatment; and step 5. connecting and fixing the inner casing side body in the elastic connecting piece to an inner casing pre-embedded ring plate in the elasticconnecting piece. The method can successfully complete the installation of the elastic connecting piece and ensures the successful construction progress.
Owner:CHINA NUCLEAR IND 23 CONSTR

A ceramic container mouth packaging structure and its preparation method

The invention belongs to the technical field of storage sealing vessels, and particularly relates to a ceramic vessel opening part sealing structure and a preparation method thereof. The sealing structure comprises an opening part and a sealing cover. At least two sealing sections are arranged between the opening part and the sealing cover. The two sealing sections comprise a rubber sealing ring which is arranged on the upper surface of the opening part and / or the lower surface of the sealing cover and surrounds the axis of the opening part, and at least one circle of matting sealing ring which is located on the inner side of the rubber sealing ring and surrounds the axis of the opening part. By the adoption of the sealing structure, storage quality of reserved substances can be guaranteed while a normal packaging effect on the opening part by a traditional sealing cover is ensured. In the machining process, a carborundum grinding mode is used, and the top of an annular sealing ridge conducts rotating and grinding relative to the corresponding surface of the sealing cover or the opening part so that an annular sealing groove can be formed; and the top of an annular supporting ridge conducts rotating and grinding relative to the corresponding surface of the sealing cover or the opening part so that an annular supporting groove can be formed, and thus reliable machining of the structure can be guaranteed conveniently, rapidly and efficiently.
Owner:景德镇醉妙堂陶瓷有限公司

Hybrid Structural Rebar Connection Nodes

The invention discloses a composite structure reinforcing steel bar connecting node, which solves the problems that the working procedures of composite structure reinforcing steel bar connection in construction industry are large in task load, high in execution difficulty and long in required time. The composite structure reinforcing steel bar connecting node at least comprises a structural column body and a reinforcing steel bar connector arranged on the outer surface of the structural column body. The structural column body is a circular pipe column or a cross steel rib column or a steel rib column shaped like a Chinese character 'Wang' or an H-type steel rib column. A plurality of annular plates are arranged inside the circular pipe column, and a plurality of groups of rib plates are further arranged; each group of rib plates is corresponding to a group of vertical plates on the periphery of the circular pipe column, the outer ends of each group of vertical plates are connected with vertical plate end plates; and a reinforcing steel bar connector is arranged on the vertical plate end plate. The reinforcing steel bar connectors, the annular plates and the wall of the steel rib column are welded, and a complete force system is formed by the rib plates at corresponding positions in the steel rib column, so that reinforcing steel bars in a concrete beam can transmit the power into the structural column through the system so as to achieve the effect of reinforcing steel bar anchoring or penetrating. The system has the advantages of being convenient and fast for construction, reliable for quality, high in economic level and industrialization process, and the like.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1

An anti-ultraviolet photovoltaic cable processing and stranding equipment and its application method

The invention discloses an anti-ultraviolet photovoltaic cable and relates to special equipment or method for manufacturing conductors or cables. The problems that according to existing stranding technologies, after an anti-ultraviolet filling material where carbon black fibers with the particle size of 50 nm are added and a wire drawing machine is used, special-shaped insulating wire cores are likely to turn over, accordingly cables are twisted, the cable cores become loose, the tensile strength is reduced, and the cables deform are solved. The cable comprises an outer protective layer, an armor layer, an inner protective layer, an insulating layer and a conductor layer which are sequentially wrapped from outside to inside, wherein four to six anti-shielding layers are distributed on theouter ring of the conductor layer, the shielding layers are located between the conductor layer and the insulating layer, the portion between the conductor layer and the insulating layer is further filled with an anti-ultraviolet filling material, and the outer protective layer uses an irradiation cross-linked polyolefin sheath. According to the technical scheme, the situation that the special-shaped insulating wire cores turn over and accordingly the cables are twisted is prevented. The invention further discloses stranding equipment for processing the anti-ultraviolet photovoltaic cable.
Owner:欧耐特线缆集团有限公司

Square stirrup discharge device

The invention relates to a square stirrup discharging device which comprises a baseplate, wherein two shaft seats are arranged on the baseplate; shaft holes which are positioned in one and the same straight line are correspondingly formed in the shaft seats; an unloading shaft penetrates through the shaft holes and is rotatably mounted on the shaft seats; at least two unloading hooks are arrangedat one end of the unloading shaft in a spacing manner and used for bearing square stirrups; an axial motion driving mechanism and a rotation driving mechanism are connected with the unloading shaft; the axial motion driving mechanism is used for driving the unloading shaft to move along the axial direction of the shaft holes; the rotation driving mechanism is used for driving the unloading shaft to rotate. By adoption of the square stirrup discharging device provided by the invention, the formed square stirrups can be steadily borne at a preset bearing position and conveyed to a preset discharging position for being stably discharged, thereby achieving the high degree of automation, reducing the labor cost, and improving the discharging efficiency; and through the cooperation with a synchronously-distributed accommodating box, the square stirrups can correctly fall into the preset accommodating box below in a vertical state, thereby solving the problems that the square stirrups are disorderly stacked, the appearances of the square stirrups are easy to damage, and the shape deformation is caused.
Owner:CHINA METALLURGICAL CONSTR ENG GRP

Anti-ultraviolet photovoltaic cable and stranding equipment thereof

The invention discloses an anti-ultraviolet photovoltaic cable and relates to special equipment or method for manufacturing conductors or cables. The problems that according to existing stranding technologies, after an anti-ultraviolet filling material where carbon black fibers with the particle size of 50 nm are added and a wire drawing machine is used, special-shaped insulating wire cores are likely to turn over, accordingly cables are twisted, the cable cores become loose, the tensile strength is reduced, and the cables deform are solved. The cable comprises an outer protective layer, an armor layer, an inner protective layer, an insulating layer and a conductor layer which are sequentially wrapped from outside to inside, wherein four to six anti-shielding layers are distributed on theouter ring of the conductor layer, the shielding layers are located between the conductor layer and the insulating layer, the portion between the conductor layer and the insulating layer is further filled with an anti-ultraviolet filling material, and the outer protective layer uses an irradiation cross-linked polyolefin sheath. According to the technical scheme, the situation that the special-shaped insulating wire cores turn over and accordingly the cables are twisted is prevented. The invention further discloses stranding equipment for processing the anti-ultraviolet photovoltaic cable.
Owner:欧耐特线缆集团有限公司
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