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994results about How to "Easy to install and replace" patented technology

Full-automatic spot welding machine for power battery pack electrode slice

The invention provides a full-automatic spot welding machine for a power battery pack electrode slice. The full-automatic spot welding machine comprises a rail, a plurality of jigs, a jig pushing-in mechanism, a jig transfer guide mechanism, a jig pushing-out mechanism, two spot welding heads, two three-axis motion mechanisms and a positioning clamping mechanism. The power battery pack electrode slice on which spot welding is about to be conducted is placed on the jigs to intermittently move forwards. The two spot welding heads are located on the two sides of the rail respectively and controlled by the three-axis motion mechanisms to move along three axes. The jigs are pushed in by the jig pushing-in mechanism for feeding, the fed jigs are pushed to spot welding positions one by one through the jig transfer guide mechanism and then are clamped through the positioning clamping mechanism, and then the jigs are pushed out through the jig pushing-out mechanism after spot welding is conducted through the spot welding heads. The intelligent user-related assembly line type full-automatic spot welding machine for the power battery pack electrode slice is high in efficiency, low in consumption, high in welding quality, and easy to link.
Owner:FUJIAN NEBULA ELECTRONICS CO LTD

Energy dissipation and shock absorption mechanism

The invention provides an energy dissipation and shock absorption mechanism. The energy dissipation and shock absorption mechanism comprises a metal damper, a supporting or rigid wall for arranging the damper, and a connecting device connected with a structure. Two external connecting mechanisms are arranged on the metal damper; one of the external connecting mechanisms is connected with other connecting structures on a building, and the other external connecting mechanisms is connected with the building through the supporting or rigid wall; and the connection is riveting, bolt pin connection, bolt connection or welding. The energy dissipation and shock absorption mechanism comprises the metal damper, so the compression performance of the metal is used for dissipating the energy; the hysteresis curve of the energy is saturated, namely, under the condition of very small deformation (such as small vibration), the energy dissipation and shock absorption mechanism can enter plastic energy dissipation from the full section; moreover, the required quantity of materials is low, so the energy dissipation and shock absorption mechanism is convenient to install and exchange; compared with the conventional stickness damper, the energy dissipation and shock absorption mechanism has the characteristics of long durability and maintenance freedom.
Owner:SHANGHAI SAFE SEISMIC RETROFIT & VIBRATION CONTROL TECH +2

Double flanges H-shaped stainless steel valve body multi-way precision forming device

The invention discloses a double flanges H-shaped stainless valve body multi-way precision forming device. The device comprises four parts: a left extruding mold assembly, a right extruding mold assembly, an upper extruding mold assembly and a lower extruding mold assembly. The left extruding mold assembly comprises a left punch connecting rod and a left punch. The right extruding mold assembly comprises a right punch connecting rod and a right punch. The upper extruding mold assembly comprises an upper padding plate, a ram block and an upper punch. The upper padding plate, a ram block and an upper punch are in connection in turn from up to down. The lower extruding mold assembly comprises an die holder and a mold unloading which are in connection successively from down to up and further comprises an ejector beam connecting rod and an ejector beam which successively run through central through holes of the die holder and the mold unloading from bottom up. The double flanges H-shaped stainless valve body multi-way precision forming device is capable of forming forges needed by a single pass, has the advantages of having good forming effect and high efficiency, being easy to install each assembly of the forming device, having low cost of mold materials and low finished cost, having high compatibility of device and forming other complex forges through changing shapes of the mold.
Owner:ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD

Phase-change heat transfer type intermediate temperature heat reservoir as well as manufacturing and application thereof

The invention discloses a phase-change heat transfer type intermediate temperature heat reservoir and an intermediate temperature solar air-conditioning system formed by the phase-change heat transfer type intermediate temperature heat reservoir. The phase-change heat transfer type intermediate temperature heat reservoir is a closed pressure container and comprises a box body, a plurality of ring frames, screens, heat accumulation layers and heat exchanging tubes, wherein the plurality of ring frames are respectively and horizontally fixed on the inner wall at the lower part of the box body, a plurality of screens are respectively arranged on each ring frame, the heat accumulation layers are respectively paved on each sieve screen, each heat accumulation layer is formed by mixing a composite phase-change heat accumulation material and grains of sand, the heat exchanging tubes are arranged in an inner cavity in the upper part of the box body, a tube cavity of each heat exchanging tube is isolated from the inside of the box body and is communicated with the outside of the box body, wherein a heat conducting device flows in the tube cavity, the intermediate temperature heat accumulation device takes water and water vapor as phase-change heat transfer working mediums, and the phase-change heat transfer mediums are directly evaporated or condensed on the surface of the granular composite phase-change heat accumulation material to realize phase-change heat exchange. The phase-change heat transfer type intermediate temperature heat reservoir and the intermediate temperature solar air-conditioning system have the advantages of excellent heat exchange capability, high solar utilization ratio, simple structure, easy manufacture and long service life.
Owner:SHANGHAI JIAO TONG UNIV +1

Self-adjusting constant-micro-resistance check valve

The invention discloses a self-adjusting constant-micro-resistance check valve. The self-adjusting constant-micro-resistance check valve comprises a valve element plate, a valve element plate balance weight support, an upper balancing weight, a lower balancing weight, an inter-balancing-weight rotary shaft, a straight moving rail and an arc-shaped toothed rail, wherein the valve element plate is installed in a valve cavity through a rotary shaft and capable of in sealing with a valve inlet seal ring and can be opened and closed through rotation in the body of the valve cavity, the valve element plate balance weight support is connected with the end, provided with the rotary shaft, of the valve element plate, the upper balancing weight and the lower balancing weight are installed on the valve element plate balance weight support, the inter-balancing-weight rotary shaft is installed between the upper balancing weight and the lower balancing weight, the straight moving rail is installed on the lower side face of the upper balancing weight and is meshed with central teeth of the inter-balancing-weight rotary shaft, and the arc-shaped toothed rail is connected with end teeth of the inter-balancing-weight rotary shaft in a meshed mode. The self-adjusting constant-micro-resistance check valve is characterized in that an obtuse angle which is larger than 90 degrees is formed between the valve element plate balance weight support and the valve element plate when the check valve is installed horizontally, and an acute angle which is smaller than 90 degrees is formed between the valve element plate balance weight support and the valve element plate when the check valve is installed vertically; a valve element plate balance weight device is formed by the valve element plate balance weight support, the balancing weights installed on the valve element plate balance weight support, and a device which makes micro resistance be kept by the balancing weights when the valve element plate is opened by any degrees.
Owner:JIANGSU TIANXING VALVE IND CO LTD

Bridge expansion joint device

The invention belongs to the technical field of bridge auxiliary members, and relates to a bridge expansion joint device. The bridge expansion joint device comprises left and right comb plate supporting beams, left and right comb plates, a water stop belt, left anchor bars and right anchor bars and further comprises a set of left supporting blocks and a set of right supporting blocks, wherein the set of left supporting blocks are distributed at intervals in the length direction of the left comb plate supporting beam and fixed through left comb plate fixing bolts, and the set of right supporting blocks are distributed at intervals in the length direction of the right comb plate supporting beam and fixed through right comb plate fixing bolts; a left water stop belt embedding base is fixed to one side, facing the right comb plate supporting beam, of the left comb plate supporting beam, a right water stop belt embedding base is fixed to one side, facing the left comb plate supporting beam and corresponding to the left water stop belt embedding base, of the right comb plate supporting beam, and the water stop belt is embedded between the left water stop belt embedding base and the right water stop belt embedding base. It is avoided that shear force on bolts of the left and right comb plates is generated in the heat expansion and cold contraction process of a bridge floor and a bridge abutment, the water stop belt is convenient to install and replace, operation intensity is relieved, and construction efficiency is improved.
Owner:常熟市双惠路桥工程构件有限公司

Device for sealing triaxial test sample of soil body and method for using device

The invention discloses a device for sealing a triaxial test sample of a soil body and a method for using the device. A sealer consists of two semi-annular composite materials of which openings face each other, wherein one end of the sealer is provided with a tenon tongue, and the other end of the sealer is provided with a mortise; and grooves are reserved on a base and a loading device and used for placing an O-shaped sealing ring. When the device for sealing the triaxial test sample of the soil body is used, the O-shaped sealing ring is placed in the reserved groove of the base; after the O-shaped sealing ring is flattened and covers a rubber film of the base, a lower sealer is doweled on the rubber film and fixed on the base by a fixing screw; the sample moves to a test platform; and an upper sealer and the loading device are fixed together. In a test process, sealing is formed by extrusion between the sealer and the base or the loading device and a system internal pressure. The invention has the advantages of simple structure, easiness in implementation, simplicity and convenience for operation and low cost. By the invention, air leakage in the test can be effectively prevented. The method is a high-efficiency and practical method capable of preventing the air leakage of the sample in the triaxial test.
Owner:HOHAI UNIV

Anti-vibration and anti-oscillation damping spring spacer

The invention discloses an anti-vibration and anti-oscillation damping spring spacer which comprises a frame, and the frame is connected with a plurality of equant cable clamps. The anti-vibration and anti-oscillation damping spring spacer is characterized in that a body center of the frame is provided with a heavy ball, and the heavy ball is connected with the frame by at least two damping spring absorbers; and the damping spring absorber comprises a cylinder body, one end of the cylinder body is connected with a spring hook with a rotating dead axle, the inside of the cylinder body is provided with a piston spring hook protruded from the other end of the cylinder body, the upper end of a section of piston spring hook in the cylinder body is penetrably provided with a positioning plate and a counterweight plate, a spring and a damping rubber sleeve are arranged between the positioning plate and the counterweight plate, and the damping rubber sleeve is sleeved on the spring. The spacer disclosed by the invention can be split into four, six, right and twelve equal parts as required, so that the spacer can play a vibration energy decrement role in the aeolian vibration in the vertical direction of a split conductor, the subspan oscillation in the lateral horizontal direction, the fair-line vibration in the fair-line direction and the oscillation in the lateral torsion direction, thereby achieving the optimum anti-vibration and anti-oscillation effect.
Owner:NORTHEAST DIANLI UNIVERSITY
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